CN221169877U - Piston pump for tooth cleaner - Google Patents
Piston pump for tooth cleaner Download PDFInfo
- Publication number
- CN221169877U CN221169877U CN202322966646.2U CN202322966646U CN221169877U CN 221169877 U CN221169877 U CN 221169877U CN 202322966646 U CN202322966646 U CN 202322966646U CN 221169877 U CN221169877 U CN 221169877U
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- utility
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- connecting shaft
- piston pump
- eccentric wheel
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- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Reciprocating Pumps (AREA)
Abstract
The utility model discloses a piston pump for a tooth cleaner, which comprises a driving motor and a shell, wherein the driving motor is connected with an eccentric wheel mechanism, the eccentric wheel mechanism is connected with one end of a connecting rod through a bearing, and the other end of the connecting rod is connected with a piston rod; the utility model omits a speed reducing mechanism, reduces transmission loss and improves mechanical efficiency.
Description
Technical Field
The utility model relates to a piston pump for a dental scaler, which is used on the dental scaler.
Background
The existing tooth-flushing device piston pump structure on the market generally adopts a motor to drive an eccentric wheel through a reduction gear set, the eccentric wheel drives a connecting rod, the connecting rod drives a piston to reciprocate, the reduction gear set occupies a large space, energy loss and noise are generated during working, friction loss between the eccentric wheel and the connecting rod is large, and noise is increased after serious abrasion.
Disclosure of Invention
In order to solve the technical problems, the utility model aims to provide a piston pump for a tooth cleaner.
The utility model is realized by the following technical scheme:
The piston pump for the tooth cleaner comprises a driving motor and a shell, wherein the driving motor is connected with an eccentric wheel mechanism, the eccentric wheel mechanism is connected with one end of a connecting rod through a bearing, and the other end of the connecting rod is connected with a piston rod; the shell is internally provided with a cavity, and the piston rod is movably arranged in the cavity.
In the embodiment of the utility model, the eccentric wheel mechanism comprises a connecting shaft, wherein the connecting shaft is provided with a connecting shaft hole, the connecting shaft hole and the connecting shaft are eccentrically arranged, and the connecting shaft hole and an output shaft of the driving motor are coaxially arranged.
In the embodiment of the utility model, the outer periphery of the connecting shaft is sleeved with the bearing, one end of the connecting rod is provided with the connecting hole, and the bearing is matched in the connecting hole.
In the embodiment of the utility model, the other end of the connecting rod is provided with the spherical joint, one end of the piston rod is provided with the connecting groove, and the spherical joint can be connected with the connecting groove in a matching way.
In the embodiment of the utility model, the shell is provided with a cylindrical cavity, and the piston rod can reciprocate in the cavity.
The piston pump for the tooth cleaner has the following beneficial effects: the piston pump omits an original speed reducing mechanism, so that transmission loss caused by the speed reducing mechanism can be avoided, the mechanical efficiency is improved, and the volume of the pump can be reduced; the friction loss can be reduced by adding the bearing between the connecting rod and the eccentric wheel mechanism, the mechanical efficiency is improved, the excessive abrasion of the connecting rod and the eccentric wheel is avoided, and the service life of the eccentric wheel is prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an assembly view of the present utility model.
Fig. 2 is an exploded view of the present utility model.
Fig. 3 is a cross-sectional view of the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
Referring to the drawings in the specification, a piston pump for a dental scaler comprises a driving motor 10 and a shell 20, wherein the driving motor is connected with an eccentric wheel mechanism 30, the eccentric wheel mechanism is connected with one end of a connecting rod 40 through a bearing 60, and the other end of the connecting rod is connected with a piston rod 50; the shell is internally provided with a cavity 21, the piston rod is movably arranged in the cavity, and the connecting rod and the piston rod can move in a reciprocating manner through the eccentric wheel mechanism.
Preferably, the eccentric wheel mechanism comprises a connecting shaft 32, on which a connecting shaft hole 31 is arranged, the connecting shaft hole being arranged eccentrically to the connecting shaft, the connecting shaft hole being arranged coaxially to the output shaft 11 of the drive motor, i.e. the connecting shaft hole and the connecting shaft being parallel but not coincident.
Further, the connecting shaft is provided with a bearing in a surrounding manner, one end of the connecting rod is provided with a connecting hole 41, and the bearing is matched in the connecting hole. The other end of the connecting rod is provided with a spherical joint 42, one end of the piston rod is provided with a connecting groove 51, the spherical joint can be connected with the connecting groove in a matched mode, and the linear reciprocating movement of the piston rod can be realized through a spherical connecting mode.
Still further, be provided with cylindrical cavity on the casing, the piston rod can carry out reciprocating motion in the cavity.
The utility model is more specifically described as follows: the eccentric wheel mechanism mainly comprises a connecting shaft which is eccentrically arranged with the output shaft, the connecting shaft is matched with the inner hole of the bearing, and the central axis of the connecting shaft is parallel to but not coincident with the axis of the output shaft. The connecting rod comprises a large end and a small end, wherein the large end is provided with a connecting hole, the outer ring of the bearing is connected with the inner wall of the connecting hole in a matched mode, the small end is provided with a spherical joint, a connecting groove corresponding to the shape of the spherical joint is formed in the piston rod, and the spherical joint is clamped in the connecting groove. The inside of the piston rod is provided with a cylindrical cavity, the piston rod can be slidably arranged in the cavity, and one end with a connecting groove is connected with the connecting rod in a matched mode. The axis of the shell cavity is perpendicular to the axis of the motor output shaft.
While the foregoing description illustrates and describes the preferred embodiments of the present utility model, as noted above, it is to be understood that the utility model is not limited to the forms disclosed herein but is not to be construed as excluding other embodiments, and that various other combinations, modifications and environments are possible and may be made within the scope of the inventive concepts described herein, either by way of the foregoing teachings or by those of skill or knowledge of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.
Claims (5)
1. The piston pump for the tooth cleaner comprises a driving motor and a shell, and is characterized in that the driving motor is connected with an eccentric wheel mechanism, the eccentric wheel mechanism is connected with one end of a connecting rod through a bearing, and the other end of the connecting rod is connected with a piston rod; the shell is internally provided with a cavity, and the piston rod is movably arranged in the cavity.
2. The piston pump for a dental sealer according to claim 1, wherein said eccentric wheel mechanism comprises a connecting shaft, a connecting shaft hole is provided on said connecting shaft, said connecting shaft hole is eccentrically provided with said connecting shaft, and said connecting shaft hole is coaxially provided with an output shaft of said driving motor.
3. The piston pump for a dental sealer according to claim 2, wherein the outer circumference of the connecting shaft is provided with a bearing, one end of the connecting rod is provided with a connecting hole, and the bearing is matched in the connecting hole.
4. A piston pump for a dental sealer according to claim 3, wherein the other end of the connecting rod is provided with a spherical joint, one end of the piston rod is provided with a connecting groove, and the spherical joint can be connected with the connecting groove in a matching manner.
5. The piston pump for a dental sealer according to claim 4, wherein a cylindrical cavity is provided on said housing, and said piston rod is reciprocally movable in said cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322966646.2U CN221169877U (en) | 2023-11-02 | 2023-11-02 | Piston pump for tooth cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322966646.2U CN221169877U (en) | 2023-11-02 | 2023-11-02 | Piston pump for tooth cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221169877U true CN221169877U (en) | 2024-06-18 |
Family
ID=91443894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322966646.2U Active CN221169877U (en) | 2023-11-02 | 2023-11-02 | Piston pump for tooth cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221169877U (en) |
-
2023
- 2023-11-02 CN CN202322966646.2U patent/CN221169877U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |