CN116817093A - Shock attenuation callus on sole and use its RO booster pump - Google Patents

Abstract

The invention discloses a damping foot pad and an RO booster pump using the same, and belongs to the technical field of RO booster pumps, the damping foot pad comprises a damping sleeve and a guide post, the damping sleeve is sleeved on the guide post, the damping sleeve comprises a damping section, the damping section comprises a plurality of damping parts, the inner sides of the damping parts are provided with inner protruding parts protruding inwards along the cross section direction of the damping sleeve, the guide post comprises a cylinder body and a plurality of protrusions, the protrusions are arranged on the outer side wall of the cylinder body around the axis of the cylinder body, the protrusions are arranged along the axis direction of the cylinder body, the protrusions and the inner protruding parts form a multi-point support, the guide post can limit the vibration amplitude of the RO booster pump within a certain range, the damping sleeve can absorb vibration emitted by the RO booster pump, the damping sleeve is in contact with the protruding points, the area for transmitting the vibration is small, and the effect of reducing the vibration is achieved.

Description

Shock attenuation callus on sole and use its RO booster pump

Technical Field

The invention relates to the technical field of RO booster pumps, in particular to a damping foot pad and an RO booster pump using the same.

Background

RO booster pump is driven by the motor, the motor drives RO booster pump and rotates, RO can filter water, can produce continuous vibrations and noise in RO booster pump course of working, thereby continuous vibrations can drive casing or mounting plate take place to shake altogether and produce bigger noise, to desktop type household equipment's experience that the too big noise can reduce the use, the shake that produces still can make equipment damage appear or remove and fall, the security is also bad, usually to the product with moving parts, the common way is can be installed the shock-proof callus on the sole of motor or RO booster pump and absorb RO booster pump's running noise, generally can set up the shock-proof callus on the bottom of RO booster pump for alleviate the run-out when RO booster pump pumps, shock-proof callus on the sole is ordinary cylindricality rubber cushion, absorb vibrations through the compression cylinder, it absorbs the effect of vibrations limited to desktop type product, the operation requirement of low noise at the desktop operation is not reached.

The patent of current bulletin number CN208281159U discloses a shock attenuation effectual RO booster pump callus on sole, including the adjustment seat, fixed screw has been seted up to the middle-end at adjustment seat top, fixed screw's inboard threaded connection has fixing bolt, the well pot head of fixing bolt surface is equipped with fixation nut, the equal fixedly connected with first reinforcement rib of left and right sides at adjustment seat inner chamber top, the bottom fixedly connected with gasket of adjustment seat inner chamber, fixed screw has been seted up at the middle-end at the seat top, the inboard threaded connection at fixation screw has fixing bolt, and through the base pad, central shock absorbing hole, the gasket, fixation nut, the double-screw bolt, the perforation, the storage tank, the shell fragment, this shock-absorbing callus on the sole of effect of first reinforcement rib, second reinforcement rib and bellying makes through the screw rod adjustment seat, the adjustment seat is through the reinforcement rib shock attenuation, its vibrations still transmit shell or subaerial through the adjustment seat, result in vibrations strongly unsuitable for the use of the product on the desktop.

Disclosure of Invention

The invention aims to provide a damping foot pad which solves the problem that products with continuous moving parts are large in noise and vibration and are not suitable for a tabletop to use.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:

the utility model provides a shock attenuation callus on sole, includes shock attenuation cover and guide post, the shock attenuation cover is established on the guide post, the shock attenuation cover includes the buffer section, the buffer section includes a plurality of buffer, the inboard of buffer is provided with the edge shock attenuation cover cross section direction inwards protrudes interior bulge, the guide post includes cylinder and a plurality of arch, a plurality of the arch is around the axis setting of cylinder is in on the lateral wall of cylinder, just the arch is followed the axis direction of cylinder is arranged, the arch with interior bulge forms the multiple spot and supports, will the guide post can restrict the vibration amplitude of RO booster pump in certain limit, the shock attenuation cover can absorb the vibrations that the RO booster pump sent, the shock attenuation cover with protruding point contact, the area of transmission vibrations is little, plays the effect of reducing vibrations.

Further, a plurality of layers of buffer parts are arranged along the axial direction of the damping sleeve, so that the inner side surface of the buffer section, which is close to the damping sleeve, is formed into a corrugated surface, and the shock absorbing capacity is enhanced by strengthening deformation.

Preferably, the convex peak of the inner convex part is used for contacting with the outer wall of the bulge, so that the area for transmitting vibration energy is reduced, and the vibration transmitted outwards is weakened.

Preferably, the height of the damping sleeve is higher than that of the guide post, and the damping sleeve is compressed to apply a certain pre-pressure after being installed, so that the damping sleeve and the guide post are stable.

Preferably, the damping sleeve further comprises a clamping portion, the clamping portion is connected with the buffer portion, a clamping groove is formed in the clamping portion, the diameter of the clamping groove is smaller than that of the buffer portion, and the clamping groove is used for mounting and positioning and absorbing vibration of the connecting portion.

Preferably, the damping sleeve is in a free state, the protrusions are in contact with inner walls at two ends of the buffer part, in a compressed state, the protrusions are in butt joint with the middle part of the buffer part, and the damping sleeve can be positioned by the guide post and ensure the damping effect in the compressed state.

Preferably, the width of the bulge is changed from large to small along the radial direction of the guide post, and the contact area of the damping sleeve and the guide post is changed according to the vibration amplitude, so that good vibration absorbing effects on vibration with different frequencies and strengths are achieved.

Preferably, the guide post further comprises a through hole, the through hole penetrates through the guide post and is arranged along the axial direction of the guide post, and the guide post is used for installing a fastener, so that the connection strength and the stability are improved.

The second purpose of the invention is to provide the RO booster pump, which solves the problem that vibration generated by the existing RO booster pump product during working is easy to be transmitted to the product shell and the table top.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:

the RO booster pump comprises a damping foot pad, a bottom plate and a fastening piece, wherein the fastening piece penetrates through the bottom plate and the damping foot pad, the damping foot pad is connected to the bottom plate, vibration is reduced by absorbing and isolating part vibration of the damping movable foot pad, the vibration is transferred to the shell, and the using noise is reduced to meet the using requirement of a tabletop product.

The beneficial effects of the invention are as follows:

(1) The shock attenuation callus on sole is equipped with shock attenuation cover and guide post, thereby shock attenuation cover is installed to overlap on the guide post for absorb vibrations, the guide post is used for fixed mounting's moving part, prevent the dislocation of moving part and restrict moving part's the biggest scope of rocking, be equipped with a plurality of axial archs on the outer wall of guide post, protruding and shock attenuation cover's inner wall contact, shock attenuation cover's longitudinal section is the wave, thereby wavy shock attenuation cover summit and protruding contact, thereby reduce the transmission of vibrations through reducing area of contact, thereby shock attenuation cover is made by elastic material and also can absorb vibrations in addition, when vibration intensity grow, shock attenuation cover and the protruding area of contact on the guide post increase, play the effect of restraining vibrations, be fit for moving part during operation shock attenuation and fall and make an uproar and use under different frequencies.

(2) The damping sleeve on the damping foot pad is higher than the guide post in debugging, and when the damping foot pad is installed and used, the two ends of the damping sleeve are fixed on the guide post after being compressed, so that the damping sleeve can keep the damping sleeve stable under certain pressure in a working state, the damping foot pad is convenient to install, the shape of the section of the bulge on the guide post is gradually reduced along the radial direction of the guide post outwards, the contact area of the guide post and the damping sleeve is increased along with the vibration increase of the vibration part, and the vibration absorbing capacity is improved.

(3) This RO booster pump facial make-up a plurality of shock attenuation callus on the sole, RO booster pump link to each other with the shell through the shock attenuation callus on the sole, utilize the protruding contact of shock attenuation cover and guide post on the shock attenuation callus on the sole to transmit vibrations, and transmission vibrations in-process shock attenuation cover is made by elastic material, can absorb a part vibrations at transmission vibrations in-process, point contact between shock attenuation cover and the guide post has reduced the area of contact of transmission vibrations for the unable effectual downword conduction of vibrations that this RO booster pump produced has reduced the vibrations of casing.

Drawings

FIG. 1 is a first mounting structure of a shock pad provided by the present invention;

FIG. 2 is a second installation structure of the shock absorbing foot pad provided by the invention;

FIG. 3 is an isometric view of a damping sleeve provided by the present invention;

FIG. 4 is a front view of a damping sleeve provided by the present invention;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

FIG. 6 is an isometric view of a guide post provided by the present invention;

FIG. 7 is a top view of a guide post provided by the present invention;

fig. 8 is a top view of a guide post according to the second embodiment;

FIG. 9 is a line graph of vibration velocity of a shock absorbing foot pad provided by the present invention;

FIG. 10 is a vibration displacement line diagram of a shock absorbing foot pad provided by the present invention;

fig. 11 is a sectional view of a general foot pad.

Reference numerals:

1. a damping sleeve; 11. a clamping part; 12. a buffer section; 121. an inner protrusion; 122. an outer protruding portion; 13. a central bore; 14. a first collar; 15. a second collar; 16. a clamping groove; 2. a guide post; 21. a column; 22. a protrusion; 23. a through hole; 3. a bottom plate; 4. a fastener; 5. RO booster pump; 6. a housing.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, based on the examples in the application, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the invention.

Example 1

As shown in fig. 1-11, the invention discloses a shock-absorbing foot pad, which comprises a shock-absorbing sleeve 1 and a guide post 2, wherein the shock-absorbing sleeve 1 is sleeved on the guide post 2, the shock-absorbing sleeve 1 comprises a buffer section, the buffer section comprises a plurality of buffer parts 12, the inner sides of the buffer parts 12 are provided with inner protruding parts 121 protruding inwards along the cross section direction of the shock-absorbing sleeve 1, a plurality of undulating wave crests and wave troughs are arranged along the axial direction of the shock-absorbing sleeve 1, the shock along the axial direction of the shock-absorbing sleeve 1 can be absorbed, after being compressed by the shock, the rebound is fast, the shock-absorbing effect on different frequencies is good, the guide post 2 comprises a post 21 and a plurality of bulges 22, the bulges 22 are arranged on the outer side wall of the post 21 around the axis of the post 21, and the bulges 22 are arranged along the axis direction of the post 21, the guide post 2 plays a role of fixing the position of an RO booster pump 5, so that the shock amplitude of the RO booster pump 5 can be directly absorbed within a certain range, the shock-absorbing sleeve 1 is contacted with the guide post 2, the shock-absorbing effect is reduced, and the shock transmission of the shock can be greatly absorbed by the RO 5, thereby noise generated by the RO 5 in the process and the working process is reduced.

Wherein the damping sleeve 1 is provided with a central hole 13 for receiving the guide post 2, and the protruding peak of the inner protruding part 121 is used for contacting with the outer wall of the protrusion 22 to weaken and transmit vibration.

Preferably, the damping sleeve 1 is made of rubber or polyurethane, and the characteristics of high elasticity, ageing resistance and long service life of the rubber and the polyurethane are utilized, so that the damping and noise reduction effects can be achieved in long-term operation of the RO booster pump 5, and the guide post 2 is made of a hard material, so that the vibration of the RO booster pump 5 along the axial direction of the damping sleeve 1 is prevented.

The multiple layers of buffer parts 12 are arranged along the axial direction of the damping sleeve 1, so that the inner side surface, close to the damping sleeve 1, of the longitudinal section of the buffer section is provided with a corrugated surface, a buffer area with a concave structure can be formed between two adjacent buffer parts 12, and the buffer parts 12 with different layers are arranged according to the requirements of different RO booster pumps 5 to strengthen the shock absorbing capacity.

Preferably, the convex peak of the inner protrusion 121 is a convex point along the longitudinal section of the damping sleeve 1, so that the convex peak of the inner protrusion 121 is formed as an inner circular ring-shaped linear structure; or along the longitudinal section of the damping sleeve 1, the convex peak of the inner convex part 121 is a vertical surface, so that the convex peak of the inner convex part 121 is formed into an inner ring vertical surface structure, the contact stability of the contact surface is improved, and the area of the contact surface is limited.

More preferably, the convex peak of the inner convex portion 121 is a convex point, and the convex 22 is in line contact with the convex peak of the inner convex portion 121, so that the contact area is reduced, the transmission of vibration energy is reduced, and the vibration intensity of the housing 6 is reduced.

Further, the bump 22 is in point contact with the buffer portion 12, so that the contact area between the damping sleeve 1 and the guide post 2 is reduced, the transmission amount of vibration force is reduced, the influence of vibration on the shell 6 is reduced, and the vibration amplitude of a product is reduced.

Preferably, the outer ring of the buffer 12 is provided with an outer protrusion 122, and the outer protrusion 122 and the inner protrusion 121 are at different levels as viewed in the horizontal direction, for enhancing shock absorbing ability.

Preferably, the damping sleeve 1 is higher than the guide post 2 in the diastolic state by the Yu Daoxiang post 2, and the damping sleeve 1 is compressed when being installed, so that the buffer part 12 of the damping sleeve 1 can keep a certain pressure after contacting with the plurality of bulges 22 on the guide post 2, thereby achieving the effect of absorbing and reducing vibration.

Preferably, the damping sleeve 1 further comprises a clamping part 11, the clamping part 11 is connected with any end of the buffer section, a clamping groove 16 is formed in the clamping part 11, the diameter of the clamping groove 16 is smaller than that of the buffer section 12, the clamping groove 16 can be clamped on the bottom plate 3, positioning and fixing effects are achieved, installation is convenient, and the guide post 2 can be protected.

The damping sleeve 1 is close to the first sleeve neck 14 and the second sleeve neck 15 at two ends, the bulge 22 contacts with the inner walls at two ends of the buffer part 12 in a free state, namely, is in conflict with the inner walls of the first sleeve neck 14 and the second sleeve neck 15, and plays a role in positioning the guide post 2, in a compressed state, the bulge 22 is in butt joint with the middle part of the buffer part 12, an inward side wall of the buffer part 12 is bent to form a plurality of inner bulge parts 121, and the inner bulge parts 121 and the bulge 22 form a plurality of uniform contact points around the axis of the guide post 2 to absorb and reduce vibration.

Preferably, the cross section of the protrusion 22 is rectangular, and the protrusion 22 having a rectangular cross section is in stable contact with the cushioning portion 12, and is easy and inexpensive to manufacture.

Preferably, the guide post 2 is further provided with a through hole 23, the through hole 23 is formed in one end of the guide post 2, the through hole 23 penetrates through the guide post 2 to serve as a passage through which the fastening piece 4 passes, the fastening piece 4 is utilized to fix the guide post 2, the connection strength of the shock absorption foot pad can be improved, the fastening piece 4 compresses the guide post 2 and simultaneously compresses the shock absorption sleeve 1, and pre-compression is provided for shock absorption.

Table 1 shows test data of shock-absorbing foot pads and general foot pads

According to table 1, combine the line diagram on fig. 9 and 10, RO booster pump 5 behind the shock attenuation movable foot pad is installed in the during operation, has the reduction to vibration amplitude and vibration velocity, and the more the partial vibration reduction degree that keeps away from the vibration source is bigger, and RO booster pump 5 of installing in casing 6 is after weakening with casing 6 shielding through the shock attenuation foot pad, can greatly reduce vibrations and noise, makes the product reach the requirement that the desktop was placed and is used.

Example two

As shown in fig. 8, the same features as those of the reference embodiment are not repeated, and the difference is that: the width of the bulge 22 is changed from large to small along the radial direction of the guide post 2, the cross section of the bulge 22 is triangular, the vertex of the triangular cross section is in smooth transition, and the contact area of the damping sleeve 1 and the guide post 2 can be adjusted to obtain better damping effect through the gradually-widened bulge 22 when the vibration frequency and the strength of the RO booster pump 5 are changed.

Example III

The embodiment also discloses RO booster pump 5, including shock attenuation callus on sole, bottom plate 3 and fastener 4, fastener 4 passes bottom plate 3 and shock attenuation callus on the sole, connects bottom plate 3 and shock attenuation callus on the sole as an organic wholely, is equipped with bottom plate 3 between shock attenuation cover 1 and RO booster pump 5, and bottom plate 3 and RO booster pump 5 an organic whole are connected, can install many shock attenuation cover 1 on bottom plate 3 and absorb and reduce vibrations, reduce vibrations transmission to on the casing 6.

The mounting process of the damping movable foot pad is as follows:

the guide post 2 is partially penetrated into the damping sleeve 1, the clamping part 11 of the damping sleeve 1 is plugged into the mounting hole on the base plate 3, the guide post 2 is completely inserted into the damping sleeve 1, the RO booster pump 5 is placed at the corresponding mounting position of the shell 6 to align the mounting hole, the fastening piece 4 is sequentially inserted into the shell 6 through the through hole 23 of the guide post 2 and screwed, the fastening piece 4 is pressed against the guide post 2 and compresses the damping sleeve 1, and the inner wall of the buffer part 12 of the damping sleeve 1 is contacted with the protrusion 22 on the guide post 2.

Variations and modifications to the above would be obvious to persons skilled in the art to which the invention pertains from the foregoing description and teachings. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present invention in any way.

Claims (10)

1. The utility model provides a shock attenuation callus on sole, includes shock attenuation cover (1) and guide post (2), shock attenuation cover (1) cover is established on guide post (2), its characterized in that: the damping sleeve (1) comprises a damping section, the damping section comprises a plurality of damping parts (12), inner protruding parts (121) protruding inwards in the cross section direction of the damping sleeve (1) are arranged on the inner side of the damping parts (12), the guide column (2) comprises a column body (21) and a plurality of protrusions (22), the protrusions (22) are arranged on the outer side wall of the column body (21) around the axis of the column body (21), and the protrusions (22) are arranged along the axis direction of the column body (21).

2. A shock absorbing footpad as claimed in claim 1, wherein:

a plurality of layers of buffer parts (12) are arranged along the axial direction of the shock absorbing sleeve (1) so that the inner side surface of the buffer section, which is close to the shock absorbing sleeve (1), forms a corrugated surface.

3. A shock absorbing footpad as claimed in claim 1, wherein:

the peaks of the inner protrusions (121) are used for contacting with the outer wall of the protrusion (22).

4. A shock absorbing footpad as claimed in any one of claims 1 to 3, wherein:

the height of the damping sleeve (1) is higher than that of the guide post (2).

5. A shock absorbing footpad as claimed in claim 4, wherein:

the damping sleeve (1) further comprises a clamping portion (11), the clamping portion (11) is connected with the buffer section, a clamping groove (16) is formed in the clamping portion (11), and the diameter of the clamping groove (16) is smaller than that of the buffer section (12).

6. A shock absorbing footpad as claimed in claim 1, wherein:

the shock absorbing sleeve (1) is in free state, the bulges (22) are in contact with the inner walls at two ends of the buffer part (12), and in compressed state, the bulges (22) are in butt joint with the middle part of the buffer part (12).

7. A shock absorbing footpad as claimed in claim 5, wherein:

the width of the bulge (22) is changed from large to small along the radial direction of the guide post (2) from inside to outside.

8. A shock absorbing footpad as claimed in claim 1, wherein:

the outer ring of the buffer part (12) is provided with an outer protruding part (122), and the outer protruding part (122) and the inner protruding part (121) are positioned at different horizontal heights when seen in the horizontal direction.

9. A shock absorbing footpad as claimed in claim 8, wherein:

the guide post (2) further comprises a through hole (23), and the through hole (23) penetrates through the guide post (2) and is arranged along the axial direction of the guide post (2).

10. An RO booster pump, characterized in that: comprising a shock absorbing foot pad according to any one of claims 1-9, a base plate (3) and a fastener (4), said fastener (4) passing through said base plate (3) and said shock absorbing foot pad, connecting said shock absorbing foot pad to said base plate (3).