CN216241142U - Water pumping device for tooth flushing device - Google Patents
Water pumping device for tooth flushing device Download PDFInfo
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- CN216241142U CN216241142U CN202122720979.8U CN202122720979U CN216241142U CN 216241142 U CN216241142 U CN 216241142U CN 202122720979 U CN202122720979 U CN 202122720979U CN 216241142 U CN216241142 U CN 216241142U
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- plunger rod
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- water pumping
- swing arm
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Abstract
The utility model belongs to the technical field of tooth flushing devices, and particularly relates to a water pumping device for a tooth flushing device, which comprises a shell, and a transmission assembly, a plunger rod assembly and a cylinder body structure which are arranged in the shell, wherein the plunger rod assembly comprises a plunger rod, and the transmission assembly drives the plunger rod to reciprocate in the cylinder body structure to pump water out; the diameter of the plunger rod is smaller than the inner diameter of the cylinder structure, so that a gap exists between the plunger rod and the cylinder structure. The utility model adopts the plunger pump structure to replace the existing piston pump structure through ingenious structural design, not only skillfully solves the problem of water leakage, but also does not have the heating problem because the contact between the plunger and the cylinder body does not exist, thereby further prolonging the service life of the whole water pumping device.
Description
Technical Field
The utility model belongs to the technical field of tooth flushing devices, and particularly relates to a water pumping device for a tooth flushing device.
Background
At present, people generally use toothbrushes to clean teeth, however, the existing toothbrushes only can clean dirt and residues on the surfaces of the teeth, and are difficult to completely remove residues in gaps between the teeth, especially more and more people do orthodontic shaping at present, the residues in shaping steel wires and pressing blocks are difficult to brush out through the toothbrushes and are difficult to remove by toothpicks or dental floss, so that electric tooth rinsers are popular with the public more and more, and the electric tooth rinsers mainly use high-speed water flow to rinse the teeth to achieve the effect of cleaning the teeth.
The water flushing device generally comprises a water tank, a water pumping device and a spray head, wherein the water pumping device comprises a transmission assembly, a piston and a piston cylinder, the transmission assembly generally comprises a motor, a worm, a gear (or a worm wheel), an eccentric wheel and a connecting rod, the motor drives the worm to rotate when rotating, the worm rotates to further drive the gear (or the worm wheel) and the eccentric wheel to rotate, and the eccentric wheel drives the piston to reciprocate in the piston cylinder through the connecting rod, so that water is pumped out.
However, in the existing tooth flushing device, because the piston is tightly attached to the wall of the piston cylinder, the friction loss is large, and the wall of the piston cylinder is relatively thin, the problem of water leakage is very easy to occur after the tooth flushing device is used for a period of time, and because the piston moves and rubs quickly, the tooth flushing device is easy to generate heat in the using process, and the service life of the piston cylinder is further shortened.
In view of the above, through diligent research and research, the inventor of the present application has developed a water pumping device for a dental irrigator, which skillfully solves the problem of water leakage by adopting a plunger pump structure to replace the existing piston pump structure through a smart structural design, and further prolongs the service life of the whole water pumping device because no plunger contacts with a cylinder body and no heat is generated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: the water pumping device for the tooth flushing device is designed in an ingenious structure, the existing piston pump structure is replaced by the plunger pump structure, the water leakage problem is solved ingeniously, and the phenomenon of heating is avoided due to the fact that the plunger does not contact with the cylinder body, and therefore the service life of the whole water pumping device is further prolonged.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a water pumping device for a tooth flushing device comprises a shell, a transmission assembly, a plunger rod assembly and a cylinder structure, wherein the transmission assembly, the plunger rod assembly and the cylinder structure are arranged in the shell, the plunger rod assembly comprises a plunger rod, and the transmission assembly drives the plunger rod to reciprocate in the cylinder structure to pump water out;
the diameter of the plunger rod is smaller than the inner diameter of the cylinder structure, so that a gap exists between the plunger rod and the cylinder structure.
As an improvement of the water pumping device for the tooth flushing device, the plunger rod assembly further comprises a front support sleeve, a front support frame, a rear support frame and a rear support sleeve, the front support sleeve is arranged in the front support frame, the rear support sleeve is arranged in the rear support frame, the front support frame is matched with the rear support frame, the front support frame is connected with the cylinder body structure, and the plunger rod penetrates through the front support sleeve and the rear support sleeve.
As an improvement of the water pumping device for the tooth flushing device, a first sealing ring is arranged between the front support sleeve and the front support frame.
As an improvement of the water pumping device for the tooth flushing device, a second sealing ring is arranged between the front support frame and the rear support frame.
As an improvement of the water pumping device for the tooth flushing device, the transmission assembly comprises a motor, a gear, an eccentric wheel and a swing arm, the gear is sleeved on an output shaft of the motor and is meshed with the eccentric wheel, one end of the swing arm is sleeved on the eccentric wheel, and the other end of the swing arm is in contact with the plunger rod.
As an improvement of the water pumping device for the tooth flushing device, one end of the plunger rod, which is close to the swing arm, is provided with a spherical structure, and the other end of the swing arm is provided with an accommodating cavity in which the spherical structure can rotate.
As an improvement of the water pumping device for the tooth flushing device, a straight-bar-shaped limiting groove is formed on the swing arm, and an eccentric circular table is arranged on the eccentric wheel and is arranged in the straight-bar-shaped limiting groove.
As an improvement of the water pumping device for the tooth flushing device, the cylinder body structure comprises a cylinder body, a first connecting pipe, a second connecting pipe, a water inlet pipe and a water outlet pipe, wherein the cylinder body is communicated with the water outlet pipe through the first connecting pipe, and the water inlet pipe is connected with the cylinder body through the second connecting pipe.
As an improvement of the water pumping device for the tooth flushing device, a first one-way valve and a third sealing ring are arranged between the water outlet pipe and the first connecting pipe, and a second one-way valve and a fourth sealing ring are arranged between the water inlet pipe and the second connecting pipe.
As an improvement of the water pumping device for the tooth flushing device, the water outlet pipe is also connected with a water outlet channel, and a fifth sealing ring and a fixing structure are arranged between the water outlet channel and the water outlet pipe.
Compared with the prior art, the utility model has the following advantages: according to the utility model, the plunger rod adopts the existing piston structure, and the diameter of the plunger rod is smaller than the inner diameter of the cylinder structure, so that a gap exists between the plunger rod and the cylinder structure. When the water pump is used, the plunger rod reciprocates in the cylinder body structure under the driving action of the transmission assembly to pump water out, and although the volume change of the water is small (the water quantity pumped out each time is small) when the plunger rod moves each time, the water can be rapidly pumped out due to high reciprocating frequency, so that high water pressure can be achieved, and even higher water pressure can be achieved than that of the piston structure.
Therefore, the utility model not only can effectively solve the problem of water leakage, but also can achieve the required water pressure and even can be higher.
Drawings
FIG. 1 is an exploded view of the present invention.
Fig. 2 is a schematic cross-sectional structure of the present invention.
Fig. 3 is a schematic perspective view of the present invention.
Fig. 4 is a schematic perspective view of a part of the structure of the present invention.
Fig. 5 is a schematic sectional structure view of a part of the structure of the present invention.
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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1 to 5, the present invention provides a water pumping device for a tooth rinsing device, which comprises a housing 1, and a transmission assembly 2, a plunger rod assembly 3 and a cylinder structure 4 which are arranged in the housing 1, wherein the plunger rod assembly 3 comprises a plunger rod 31, the transmission assembly 2 drives the plunger rod 31 to reciprocate in the cylinder structure 4 to pump water out;
the diameter of the plunger rod 31 is smaller than the inner diameter of the cylinder structure 4 so that there is a gap between the plunger rod 31 and the cylinder structure 4. Through the ingenious structural design, the problem of water leakage is solved skillfully, and the problem of heat generation does not occur due to the fact that the plunger rod 31 does not contact the cylinder body structure 4, so that the service life of the whole water pumping device is further prolonged. When the water pump is used, under the driving action of the transmission assembly 2, the plunger rod 31 reciprocates in the cylinder body structure 4 to pump out water, and although the amplitude of each motion of the plunger rod 31 is not large, the volume change of the water in the cylinder body structure 4 is small (the water quantity pumped out each time is small), the water can be rapidly pumped out due to high reciprocating frequency, so that high water pressure can be achieved, and even the water pressure is higher than that of the piston structure.
The plunger rod assembly 3 further comprises a front support sleeve 32, a front support frame 33, a rear support frame 35 and a rear support sleeve 34, the front support sleeve 32 is arranged in the front support frame 33, the rear support sleeve 34 is arranged in the rear support frame 35, the front support frame 33 is matched with the rear support frame 35, the front support frame 33 is connected with the cylinder body structure 4, and the plunger rod 31 penetrates through the front support sleeve 32 and the rear support sleeve 34, so that the plunger rod 31 is limited and supported, and meanwhile, the movement of the plunger rod 31 cannot be limited.
A first seal ring 36 is disposed between the front support sleeve 32 and the front support bracket 33. A second sealing ring 37 is arranged between the front support frame 33 and the rear support frame 34 to play a role in sealing and prevent water leakage.
The transmission assembly 2 comprises a motor 21, a gear 22, an eccentric wheel 23 and a swing arm 24, wherein the gear 22 is sleeved on an output shaft of the motor 21, the gear 22 is meshed with the eccentric wheel 23, one end of the swing arm 24 is sleeved on the eccentric wheel 23, and the other end of the swing arm 24 is in contact with the plunger rod 31. A straight-bar-shaped limiting groove 26 is formed in the swing arm 24, an eccentric circular table 27 is arranged on the eccentric wheel 23, and the eccentric circular table 27 is arranged in the straight-bar-shaped limiting groove 26. When in use, the rotation of the motor 21 drives the rotation of the gear 22, and further drives the eccentric wheel 23 to rotate, and then the rotation is converted into the linear reciprocating motion of the swing arm 24.
One end of plunger rod 31 near swing arm 24 is provided with spherical structure 38, and the other end of swing arm 24 is formed with receiving cavity 25 for spherical structure 38 to rotate in, which can freely center, thereby preventing piston rod 31 from shaking.
The cylinder structure 4 includes a cylinder body 41, a first connection pipe 42, a second connection pipe 43, a water inlet pipe 44, and a water outlet pipe 45, the cylinder body 41 and the water outlet pipe 45 are communicated through the first connection pipe 42, and the water inlet pipe 44 is connected with the cylinder body 41 through the second connection pipe 43. The inlet tube 44 is connected to a water supply and movement of the piston rod 31 allows water entering from the inlet tube 44 to be continuously pumped out of the outlet tube 45.
A first one-way valve 46 and a third sealing ring 47 are arranged between the water outlet pipe 45 and the first connecting pipe 42, and a second one-way valve 48 and a fourth sealing ring 49 are arranged between the water inlet pipe 45 and the second connecting pipe 43, so that the effects of sealing and enabling water to flow only in one direction and not flow back are achieved.
The water outlet pipe 45 is further connected with a water outlet channel 410, a fifth sealing ring 411 and a fixing structure 412 are arranged between the water outlet channel 410 and the water outlet pipe 45, and pumped water reaches a position designated by a user through the water outlet channel 410.
The utility model has the following advantages: according to the utility model, the plunger rod 31 adopts the existing piston structure, and the diameter of the plunger rod 31 is smaller than the inner diameter of the cylinder body structure 4, so that a gap exists between the plunger rod 31 and the cylinder body structure 4.
Appropriate changes and modifications to the embodiments described above will become apparent to those skilled in the art from the disclosure and teachings of the foregoing description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. The utility model provides a water pumping device for tooth flushing device which characterized in that: the water pump comprises a shell, and a transmission assembly, a plunger rod assembly and a cylinder structure which are arranged in the shell, wherein the plunger rod assembly comprises a plunger rod, and the transmission assembly drives the plunger rod to reciprocate in the cylinder structure to pump water out;
the diameter of the plunger rod is smaller than the inner diameter of the cylinder structure, so that a gap exists between the plunger rod and the cylinder structure.
2. The water pumping device for a dental irrigator according to claim 1, wherein: the plunger rod assembly further comprises a front supporting sleeve, a front supporting frame, a rear supporting frame and a rear supporting sleeve, the front supporting sleeve is arranged in the front supporting frame, the rear supporting sleeve is arranged in the rear supporting frame, the front supporting frame is matched with the rear supporting frame, the front supporting frame is structurally connected with the cylinder body, and the plunger rod penetrates through the front supporting sleeve and the rear supporting sleeve.
3. The water pumping device for a dental irrigator according to claim 2, wherein: a first sealing ring is arranged between the front support sleeve and the front support frame.
4. The water pumping device for a dental irrigator according to claim 2, wherein: and a second sealing ring is arranged between the front support frame and the rear support frame.
5. The water pumping device for a dental irrigator according to claim 1, wherein: the transmission assembly comprises a motor, a gear, an eccentric wheel and a swing arm, the gear is sleeved on an output shaft of the motor, the gear is meshed with the eccentric wheel, one end of the swing arm is sleeved on the eccentric wheel, and the other end of the swing arm is in contact with the plunger rod.
6. The water pumping device for the tooth flusher according to claim 5, wherein: one end of the plunger rod, which is close to the swing arm, is provided with a spherical structure, and the other end of the swing arm is provided with an accommodating cavity for the spherical structure to rotate in.
7. The water pumping device for the tooth flusher according to claim 5, wherein: a straight-bar-shaped limiting groove is formed in the swing arm, an eccentric round table is arranged on the eccentric wheel, and the eccentric round table is arranged in the straight-bar-shaped limiting groove.
8. The water pumping device for a dental irrigator according to claim 1, wherein: the cylinder body structure includes jar body, first connecting pipe, second connecting pipe, inlet tube and outlet pipe, the jar body with the outlet pipe passes through first connecting pipe intercommunication, the inlet tube passes through the second connecting pipe with this body coupling of jar.
9. The water pumping device for a dental irrigator according to claim 8, wherein: the water outlet pipe with be provided with first check valve and third sealing washer between the first connecting pipe, the inlet tube with be provided with second check valve and fourth sealing washer between the second connecting pipe.
10. The water pumping device for a dental irrigator according to claim 9, wherein: the water outlet pipe is further connected with a water outlet channel, and a fifth sealing ring and a fixing structure are arranged between the water outlet channel and the water outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122720979.8U CN216241142U (en) | 2021-11-09 | 2021-11-09 | Water pumping device for tooth flushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122720979.8U CN216241142U (en) | 2021-11-09 | 2021-11-09 | Water pumping device for tooth flushing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216241142U true CN216241142U (en) | 2022-04-08 |
Family
ID=80994757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122720979.8U Active CN216241142U (en) | 2021-11-09 | 2021-11-09 | Water pumping device for tooth flushing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216241142U (en) |
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2021
- 2021-11-09 CN CN202122720979.8U patent/CN216241142U/en active Active
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