WO2019120083A1

WO2019120083A1 - Vibration-damping structure of dental water spraying device

Info

Publication number: WO2019120083A1
Application number: PCT/CN2018/119406
Authority: WO
Inventors: 王志伟
Original assignee: 深圳市宝丰通电器制造有限公司
Priority date: 2017-12-18
Filing date: 2018-12-05
Publication date: 2019-06-27
Also published as: CN208552089U

Abstract

A vibration-damping structure of a dental water spraying device, belonging to the technical field of teeth cleaning devices. The vibration-damping structure of the dental water spraying device comprises a housing (101), a pump base (102), a post (103), a vibration-damping body (104) and a limiting unit (105); the post (103) is fixedly connected to a bottom wall (106) of the housing (101), and the vibration-damping body (104) provided with a groove (109) on the side face thereof is sleeved on the post (103), and a part of the pump base (102) is accommodated in the groove (109), the vibration-damping body (104) is located between the limiting unit (105) and an inner surface of the bottom wall (106) of the housing (101). The pump base (102) is isolated from the housing (101) by means of the vibration-damping body (104) and vibration damping is achieved, so that the vibration transmitted from a pump assembly to the housing (101) can be effectively reduced while ensuring that the pump base (102) is stably placed in an accommodating chamber.

Description

Damping structure of dental sprinkler

Technical field

The utility model relates to the technical field of cleaning dental devices, in particular to a vibration damping structure of a dental water spray device.

Background technique

In the prior art, a dental water spray device (also referred to as a "red teeth") includes an outer casing, a water storage tank, a pump assembly, and a water jet head. The pump assembly is placed within the containment chamber enclosed by the outer casing and carried directly or indirectly by the outer casing. The pump assembly includes a motor and a water pump driven by the motor. The water outlet pipe of the water pump communicates with the water jet head, and the water of the water storage tank is sprayed from the water jet head by pulse water to clean teeth, teeth, gums or tongue. During the high-speed and high-frequency reciprocating motion of the pump, the friction between the components and the collision force between the member and the water column will generate a large amount of vibration and noise. In addition, the motor itself and the power transmission with the pump will also have vibration. Noise is generated. The vibration generated by the pump assembly during operation is transmitted to the outer casing, which in turn causes vibration of the entire water spray device, causing discomfort to the user.

Accordingly, there is a need for a vibration damping structure for a dental water spray device that is capable of effectively reducing vibration transmitted from a pump assembly (including but not limited to a motor, a water pump) to the outer casing.

Utility model content

The technical problem to be solved by the present invention is to provide a vibration damping structure of a dental water spray device, which can effectively reduce vibration transmitted from the pump assembly to the outer casing.

In order to solve the above technical problem, the present invention provides a vibration damping structure of a dental water spray device, which comprises a casing, a pump base, a pillar, a vibration damping body and a limiting unit; the casing is provided with a receiving cavity, The pump base is disposed in the accommodating cavity, the struts are fixedly connected to the bottom wall of the outer casing, the damper body is sleeved on the pillar, and a groove is arranged on a side thereof, the pump base a portion of the seat is received in the recess, the limiting unit is disposed above the damping body, and the damping body is located between the limiting unit and an inner surface of the bottom wall of the outer casing .

The utility model also provides a vibration damping structure of a dental water spray device, which comprises an outer casing, a pump base, a pillar, a first vibration damping body, a second vibration damping body, an elastic member and a limiting unit; The susceptor is disposed in the accommodating cavity, the struts are fixedly connected to the bottom wall of the outer casing, and the first damper body and the second damper body are correspondingly sleeved The upper and lower portions of the pillar, the second damping body is limited to the inner surface of the bottom wall of the outer casing, the elastic member is sleeved on the pillar and placed on the first damping body and the second minus Between the vibrating bodies, a side of the first damper body is provided with a groove, a part of the pump base is disposed in the groove, and the limiting unit is disposed above the first damper body And limiting the first damping body.

The beneficial effects of the utility model are:

In one embodiment of the vibration damping structure of the dental water spray device of the present invention, the vibration damping body is sleeved on the pillar, the pump base is fixedly connected with the vibration damping body, and the pump base and the outer casing are separated by the vibration damping body. Buffer damping, while ensuring that the pump base is firmly placed in the accommodating cavity, can effectively reduce the vibration transmitted by the pump assembly to the outer casing.

In another aspect of the vibration damping structure of the dental water spray device of the present invention, the first vibration damping body, the second vibration damping body and the elastic member are sleeved on the pillar, and the pump base is fixedly connected with the first vibration damping body. The pump base and the outer casing are separated by the first vibration damping body, the second vibration damping body and the elastic member, and the vibration is buffered, so that the pump base can be stably placed and the vibration damping effect can be achieved.

DRAWINGS

1 is a schematic view showing the overall structure of a dental water spray device.

2 is a schematic view showing the overall structure of a vibration damping structure of the dental water spray device of the present invention.

Figure 3 is a cross-sectional view taken along line A-A of Figure 2;

4 is an exploded perspective view of the first embodiment.

Fig. 5 is a cross-sectional view showing the second embodiment of the vibration damping structure of the dental water spray device of the present invention.

Figure 6 is an exploded perspective view of the second embodiment.

Fig. 7 is a schematic view showing the overall structure of the third embodiment of the vibration damping structure of the dental water spray device of the present invention.

Figure 8 is a cross-sectional view taken along line B-B of Figure 7.

Figure 9 is an exploded perspective view of the third embodiment.

Fig. 10 is a cross-sectional view showing the fourth embodiment of the vibration damping structure of the dental water spray device of the present invention.

Figure 11 is an exploded perspective view of the fourth embodiment.

Fig. 12 is a cross-sectional view showing the fifth embodiment of the vibration damping structure of the dental water spray device of the present invention.

Figure 13 is a schematic view showing the structure of the vibration damping body in the fifth embodiment.

Fig. 14 is a cross-sectional view showing the sixth embodiment of the vibration damping structure of the dental water spray device of the present invention.

Fig. 15 is a schematic structural view of a vibration damping body in the sixth embodiment.

Fig. 16 is a cross-sectional view showing the seventh embodiment of the vibration damping structure of the dental water spray device of the present invention.

Figure 17 is a schematic view showing the structure of a vibration damping body and a gasket in the seventh embodiment.

Fig. 18 is a cross-sectional view showing the eighth embodiment (A) of the vibration damping structure of the dental water spray device of the present invention.

Fig. 19 is a schematic structural view of a vibration damping body in the eighth embodiment (A).

Fig. 20 is a cross-sectional view showing the eighth embodiment (B) of the vibration damping structure of the dental water spray device of the present invention.

Figure 21 is a schematic view showing the structure of the vibration damping body in the eighth embodiment (B).

Figure 22 is a cross-sectional view showing the eighth embodiment (C) of the vibration damping structure of the dental water spray device of the present invention.

Figure 23 is a schematic view showing the structure of the vibration damping body in the eighth embodiment (C).

Detailed ways

The concept, the specific structure and the technical effects of the present invention will be clearly and completely described in conjunction with the embodiments and the accompanying drawings in order to fully understand the purpose, features and effects of the present invention. It is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments, based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without creative efforts, All belong to the scope of protection of the present invention. In addition, all the coupling/joining relationships involved in the patents are not directly connected to the components, but rather may constitute a better coupling structure by adding or reducing the coupling accessories according to the specific implementation. The various technical features in the utility model can be combined and combined without conflicting with each other.

In the present invention, the expressions "upper", "lower", "upper", "lower" and the like are not limited to the orientation in the absolute sense, but the connection relationship between the respective members is illustrated in conjunction with the drawings to indicate the relative meaning. Positional relationship on.

Embodiment 1.

As shown in FIGS. 1 and 2, the dental water spray device includes a housing 101, a water storage tank 70, a pump base 102, a pump assembly 80, and a water jet head 90. The pump assembly 80 includes a motor 81 and a water pump 82, and the pump assembly 80 is a pump The base 102 is carried and fixed.

As shown in FIG. 2 to FIG. 4 , the vibration damping structure of the dental water spray device of the present invention includes a casing 101 , a pump base 102 , a pillar 103 , a vibration damping body 104 , and a limiting unit 105 . Wherein, the outer casing 101, the pump base 102, the pillar 103 and the limiting unit 105 may each adopt one or a combination of plastic, metal, carbon composite material or other materials; the vibration damping body 104 preferably has resilience with reversible deformation. Made of materials such as rubber, silica gel, etc.

The bottom wall 106 and the side wall 107 of the outer casing 101 enclose a receiving cavity, and the pump base 102 is placed in the accommodating cavity. In this embodiment, the bottom wall 106 and the side wall 107 are separately formed and fixedly connected by a connecting member such as a screw. In other embodiments, the outer casing 101 can also be integrally formed.

The pillars 103 are fixed to the bottom wall 106 of the outer casing 101. In this embodiment, the pillars 103 are preferably integrally formed with the bottom wall 106. In other embodiments, they may be independently molded and then fixed by connecting members (such as screws). Made in a way.

The damper body 104 is sleeved on the pillar 103, and has a groove 109 on the side thereof, and a part of the pump base 102 is received in the groove 109. In this embodiment, the groove 109 is annular, and the pump base 102 is provided with a fixing hole 113 matched with the groove 109. To facilitate the installation of the vibration damping body 104, the fixing hole 113 is provided with a side opening 114, which will reduce vibration. The body 104 is pinched to be deformed, and can be loaded into the fixing hole 113 from the side opening 114.

The limiting unit 105 is placed above the damping body 104 to limit the damping body 104. Specifically, the limiting unit 105 restricts the movement of the damping body 104 in a direction away from the bottom wall 106 of the outer casing 101. In this embodiment, the limiting unit 105 includes a limiting plate 110 and a locking member 111. The limiting plate 110 is disposed above the damping body 104 and has a disk hole 112 therebetween. The locking member 111 passes through the disk hole 112 and the pillar 103. The connection is fixed to lock the limit plate 110 to the strut 103. The locking member 111 is preferably a screw or rubber rivet. Rubber rivets, also known as shock absorbing nails, are widely used in the installation of cooling fans for electrical and electronic equipment.

The limiting unit 105 can also be a separately provided screw that is fixed to the end of the strut 103, and the screw head limits the damping body 104.

The limiting unit 105 is not limited to the structure in the embodiment and the manner of fixing to the pillar 103, and may be fixed to other components of the device (for example, the side wall or the top wall of the casing 101), and is not limited. In a separate component, it may also be integrally formed with other fixing components (for example, integrally formed with the top wall of the outer casing 101 or integrally formed with the pillars 103, etc.).

Based on the above structure, the damping body 104 is limited between the limiting unit 105 and the inner surface of the bottom wall 106 of the outer casing 101. The aforementioned "inner surface" refers to the surface of the bottom wall 106 facing the side of the receiving cavity. It should be noted that, in this embodiment, the damper body 104 directly abuts the inner surfaces of the limiting unit 105 and the bottom wall 106 to achieve the limit, but the “limit” (including the “limit” in other embodiments. ") is not to be construed as a direct contact. Indirect limits are also within the scope of protection of the present invention. For example, spacers, washers or other elastic members are placed directly on the damping body 104 and the limiting unit 105, or The spacers, the washers or other elastic members are disposed between the damping body 104 and the bottom wall 106, and the "limit" of the vibration damping body 104 can be achieved, and the technical effect of the vibration damping can be achieved. For the specific schematic structure, refer to the seventh embodiment. .

In this way, the vibration damping body 104 can effectively isolate the pump base 102 from the outer casing 101, and after the vibration damping effect of the vibration damping body 104, the vibration transmitted to the outer casing 101 can be greatly reduced.

Example 2.

As shown in FIG. 5 and FIG. 6 , the vibration damping structure of the dental water spray device of the present invention includes a housing 201 , a pump base 202 , a support 203 , a vibration damping body 204 , and a limiting unit 205 . The limiting unit 205 includes a limiting plate. 210 and the lock firmware 211.

The main difference between the embodiment and the first embodiment is that the structure of the damper body 204 is different, and other structures are the same as those of the first embodiment, and details are not described herein again.

In this embodiment, the damper body 204 includes a first damper unit 206 and a second damper unit 207 that are respectively sleeved on the pillars 203, and a groove is formed between the first damper unit 206 and the second damper unit 207. 208. The limiting unit 205 is disposed above the first damping unit 206 and limits the first damping unit 206. The lower end of the second damping unit 207 is limited to the inner surface of the bottom wall 209 of the outer casing 201. The damping body 204 is to isolate the pump base 202 from the bottom wall 209, the pillar 203, and the limiting unit 205 to achieve complete isolation of the pump base 202 from the outer casing 201. In this regard, the vibration damping body 204 may be integrally formed to form the structure of the first embodiment, or the structure of the second embodiment formed by the combination of the first vibration damping unit 206 and the second vibration damping unit 207, of course, the vibration damping body 204 may also be formed by combining more than two damping units. For the detailed schematic structure, see Embodiments 8(A) to 8(C).

It is to be noted that, for the "groove" in the embodiment, the structure is not limited to the groove of the side of the integrally formed damper body in the first embodiment, and is not limited to the first damper unit 206 in the second embodiment. The groove 208 formed by the second damper unit 207, that is, the groove formed by the integrally formed groove or the plurality of damper units is a concept of "groove" in the present invention.

In addition, in the present embodiment, the first damper unit 206 and the second damper unit 207 are abutted, but in different embodiments, the two may also be separated by a certain distance, and only the damper body 204 has a concave shape. The slot 208 can completely isolate the pump base 202 from the outer casing 201.

Example 3.

As shown in FIG. 7 to FIG. 9 , the vibration damping structure of the dental water spray device of the present invention includes a casing 301 , a pump base 302 , a pillar 303 , a first damping body 304 , a second damping body 305 , an elastic member 306 , and Limit unit 307.

The outer casing 301 is provided with a receiving cavity, the pump base 302 is disposed in the accommodating cavity, the pillar 303 is fixed to the bottom wall 309 of the outer casing 301, and the specific structure of the outer casing 301, the pump base 302, the pillar 303 and the limiting unit 307 For the positional relationship, refer to the first embodiment.

The first damper body 304 and the second damper body 305 are correspondingly disposed on the upper and lower portions of the support 303, the second damper body 305 is located on the inner surface of the bottom wall 309 of the outer casing 301, and the elastic member 306 is sleeved on the support 303. The first damping body 304 is disposed between the first damping body 304 and the second damping body 305. The side of the first damping body 304 is provided with a groove 310, and a part of the pump base 302 is disposed in the groove 310. Preferably, the groove 310 is annular, and the pump base 302 is provided with a fixing hole 308 which is matched with the groove 310. To facilitate the installation of the first damping body 304, the fixing hole 308 is provided with a side opening 316.

Both the first damper body 304 and the second damper body 305 are preferably made of an elastic material having a reversible deformation, such as rubber, silica gel or the like.

The resilient member 306 is preferably a spring. a first boss 311 is disposed at one end of the first damper body 304 near the spring, and a second boss 312 is disposed at one end of the second damper body 305 near the spring, and the two ends of the spring are respectively sleeved on the first boss 311 and On the second boss 312.

The limiting unit 307 is placed above the first damping body 304 and limits the first damping body 304. Specifically, the limiting unit 307 limits the movement of the first damper body 304 in a direction away from the bottom wall 309 of the outer casing 301. The limiting unit 307 includes a limiting plate 313 and a locking member 314. The limiting plate 313 is disposed above the first damping body 304 and has a disk hole 315 therebetween. The locking member 314 is fixedly connected to the pillar 303 through the disk hole 315. The limit plate 313 is locked to the post 303. The fastener 314 is preferably a screw or rubber rivet.

In this embodiment, the first damper body 304, the second damper body 305, and the elastic member 306 are disposed on the pillar 303, and sufficient isolation and buffer damping can be obtained between the pump base 302 and the outer casing 301.

Example four.

As shown in FIG. 10 and FIG. 11 , the vibration damping structure of the dental water spray device of the present invention includes a housing 401 , a pump base 402 , a pillar 403 , a first damping body 404 , a second damping body 405 , an elastic member 406 , and The limiting unit 407 includes a limiting disk 412 and a locking component 413.

The main difference between the embodiment and the third embodiment is that the structure of the first damper body 404 is different, and other structures are the same as those of the third embodiment, and details are not described herein again.

The first damper body 404 includes a first damper unit 408 and a second damper unit 409 which are respectively sleeved on the struts 403. A groove 410 is formed between the first damper unit 408 and the second damper unit 409. The bit unit 407 is placed above the first damping unit 408 and limits the first damping unit 408, and the lower end of the second damping unit 409 abuts against the elastic member 406. With the inventive concept of the second embodiment, the first damper body 404 can be formed into a structure of the third embodiment by integral molding, or can be formed by combining the first damper unit 408 and the second damper unit 409. The structure, of course, the first damping body 404 can also be formed by combining more than two damping units.

Example 5.

As shown in FIG. 12 and FIG. 13 , the vibration damping structure of the dental water spray device of the present invention includes a housing 501 , a pump base 502 , a support 503 , a vibration damping body 504 , and a limiting unit 505 . The limiting unit 505 includes a limiting plate. 507 and lock firmware 506.

The main difference between this embodiment and the first embodiment is that the structure of the vibration damping body 504 is different, and other structures are the same as those of the first embodiment. In particular, the damping body 504 in this embodiment has a relatively low height and can provide a more stable support to the pump base 502. In different embodiments, the height of the shock absorbing body 504 can be flexibly set according to actual needs, and the height of the corresponding pillar 503 can be matched.

Example 6.

As shown in FIGS. 14 and 15, the vibration damping structure of the dental water spray device of the present invention includes a housing 601, a pump base 602, a post 603, a vibration damping body 604, and a limiting unit 605. The limiting unit 605 includes a limiting plate 606. And lock firmware 607.

The main difference between this embodiment and the fifth embodiment is that the side groove 608 of the shock absorbing body 604 is semi-annular. In various embodiments, the recess 608 can be fan-shaped, semi-annular, or annular, etc., only to ensure that the portion of the pump base 602 that is received within the recess 608 matches the shape of the recess 608.

Example VII.

As shown in FIG. 16 and FIG. 17 , the vibration damping structure of the dental water spray device of the present invention includes a housing 701 , a pump base 702 , a support 703 , a vibration damping body 704 , a limiting unit 705 , and a washer sleeved on the pillar 703 . 706, the limit unit 705 includes a limit plate 707 and a lock 708.

The main difference between this embodiment and the fifth embodiment is that a gasket 706 is disposed between the shock absorbing body 704 and the bottom wall 709 of the outer casing 701, and the bottom wall 709 is indirectly limited to the vibration damping body 704. The gasket 706 is preferably made of an elastic material having a reversible deformation such as rubber, silica gel or the like.

Example 8 (A).

As shown in FIG. 18 and FIG. 19, the vibration damping structure of the dental water spray device of the present invention includes a housing 810, a pump base 811, a post 812, a vibration damping body 813, and a limiting unit 814. The limiting unit 814 includes a limiting plate. 815 and lock 816.

The main difference between the embodiment and the fifth embodiment is that the vibration damping body 813 includes a first damping unit 817 and a second damping unit 818. The second damping unit 818 is provided with a boss 818a near one end of the first damping unit 817. The two damping units are combined to form a groove 819.

Example 8 (B).

As shown in FIG. 20 and FIG. 21, the vibration damping structure of the dental water spray device of the present invention includes a housing 820, a pump base 821, a post 822, a vibration damping body 823, and a limiting unit 824. The limiting unit 824 includes a limiting plate. 825 and the lock 826, the vibration damping body 823 includes a first damper unit 827 and a second damper unit 828.

The main difference between this embodiment and the eighth embodiment (A) is that the first damping unit 827 is provided with a boss 827a near one end of the second damping unit 828, and the second damping unit 828 is not provided with a boss.

Example 8 (C).

As shown in FIG. 22 and FIG. 23, the vibration damping structure of the dental water spray device of the present invention includes a housing 830, a pump base 831, a post 832, a vibration damping body 833, and a limiting unit 834. The limiting unit 834 includes a limiting plate. 835 and lock 836.

The main difference between the embodiment and the fifth embodiment is that the vibration damping body 833 includes a first damping unit 837, a second damping unit 838 and a third damping unit 839, and the three damping units are combined to form a groove 840.

The above is a detailed description of the preferred embodiments of the present invention, but the present invention is not limited to the embodiments, and those skilled in the art can make various equivalents without departing from the spirit of the present invention. Modifications or substitutions are intended to be included within the scope of the appended claims.

Claims

A vibration damping structure for a dental water spray device, comprising

An outer casing having a receiving cavity;

It is characterized by:

a pump base disposed in the accommodating cavity;

a post fixed to the bottom wall of the outer casing;

a vibration damping body disposed on the pillar;

a groove provided on a side of the vibration damping body, a portion of the pump base being received in the groove;

And a limiting unit disposed above the damping body, the damping body is limited between the limiting unit and an inner surface of the bottom wall of the outer casing.
The vibration damping structure of the dental water spray device according to claim 1, wherein the vibration damping body comprises a first damping unit and a second damping unit each sleeved on the pillar, the Forming the groove between a damper unit and a second damper unit, the limiting unit being disposed above the first damper unit and limiting the first damper unit, The lower end of the second damping unit is limited to the inner surface of the bottom wall of the outer casing.
A vibration damping structure for a dental water spray device according to claim 1, wherein said vibration damping body is made of rubber.
The vibration damping structure of the dental water spray device according to claim 1, wherein the limiting unit comprises a limiting plate and a locking member, and the limiting plate is disposed above the vibration damping body and disposed in the middle There is a disc hole through which the fastener is fixedly coupled to the post to lock the limit disc to the post.
The vibration damping structure of the dental water spray device according to claim 4, wherein the lock member is a screw or a rubber rivet.
The vibration damping structure of the dental water spray device according to claim 1, wherein the limiting unit is a screw fixedly connected to the support post, and the screw head limits the damping body.
The vibration damping structure of the dental water spray device according to claim 1, wherein the groove is annular, and the pump base is provided with a fixing hole that is matched with the groove.
A vibration damping structure for a dental water spray device according to claim 7, wherein said fixing hole is provided with a side opening.
A vibration damping structure for a dental water spray device, comprising

An outer casing having a receiving cavity;

It is characterized by:

a pump base disposed in the accommodating cavity;

a post fixed to the bottom wall of the outer casing;

a first damping body disposed on an upper portion of the pillar;

a second damping body disposed on a lower portion of the pillar, the second damping body being limited to an inner surface of a bottom wall of the outer casing;

An elastic member disposed on the pillar and disposed between the first damping body and the second damping body;

a groove provided on a side of the first damping body, a portion of the pump base being received in the groove;

a limiting unit disposed above the first damping body and limiting the first damping body.
A vibration damping structure for a dental water spray device according to claim 9, wherein said elastic member is a spring.
The vibration damping structure of the dental water spray device according to claim 10, wherein a first boss is provided at one end of the first damping body near the spring, and the second damping body is adjacent to the One end of the spring is provided with a second boss, and two ends of the spring are respectively sleeved on the first boss and the second boss.
The vibration damping structure of the dental water spray device according to claim 9, wherein the first vibration damping body comprises a first damping unit and a second damping unit both sleeved on the pillar, The groove is formed between the first damping unit and the second damping unit, and the limiting unit is disposed above the first damping unit and limits the first damping unit. The lower end of the second damper unit is in contact with the elastic member.
A vibration damping structure for a dental water spray device according to claim 9, wherein said first vibration damping body and said second vibration damping body are both made of rubber.
The vibration damping structure of the dental water spray device according to claim 9, wherein the limiting unit comprises a limiting plate and a locking member, and the limiting plate is disposed above the first damping body and A disk hole is provided in the middle, and the fastener is fixedly connected to the pillar through the disk hole to lock the limiting disk to the pillar.
The vibration damping structure of the dental water spray device according to claim 14, wherein the lock member is a screw or a rubber rivet.
The vibration damping structure of the dental water spray device according to claim 9, wherein the limiting unit is a screw fixedly connected to the pillar, and the screw head limits the first damping body.
The vibration damping structure of the dental water spray device according to claim 9, wherein the groove is annular, and the pump base is provided with a fixing hole that is matched with the groove.
A vibration damping structure for a dental water spray device according to claim 17, wherein said fixing hole is provided with a side opening.