CN218030483U

CN218030483U - Piston linear driving structure and tooth flushing device

Info

Publication number: CN218030483U
Application number: CN202222279698.8U
Authority: CN
Inventors: 不公告发明人
Original assignee: Guangdong Roman Technology Co Ltd
Current assignee: Guangdong Roman Technology Co Ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2022-12-13
Anticipated expiration: 2032-08-29

Abstract

The utility model discloses a piston linear drive structure and towards tooth ware, including drive assembly and piston rod, the piston rod tip is equipped with hollow transmission portion, and this hollow position is rectangular shape, the symmetry both sides are equipped with a plurality of first teeth and a plurality of second teeth respectively in the transmission portion, are located and are equipped with the transmission piece in the transmission portion, transmission piece one side is equipped with a plurality of third teeth, drive assembly is connected with the transmission of transmission piece, drives the transmission piece through drive assembly and rotates, makes the third teeth mesh with first teeth and a plurality of second teeth respectively, and the piston rod need not to swing and can realize reciprocating linear motion, can effectively reduce the frictional force that piston motion produced, improves transmission efficiency, makes the piston atress more direct and even in the pump body, avoids the piston to produce the off normal and the condition that takes place to leak.

Description

Piston linear driving structure and tooth flushing device

Technical Field

The utility model belongs to the technical field of drive arrangement, specifically a piston linear drive structure and towards tooth ware.

Background

The tooth flushing device is an auxiliary tool for cleaning the oral cavity, and is a tool for cleaning teeth and gaps between teeth by using a pulse water flow impact mode; therefore, the pump body for forming the pulse water flow can not be formed in the tooth flushing device, and the piston rod is driven to reciprocate in the body through the driving device, so that the pulse water flow is formed; however, in the conventional driving device, the piston rod is driven to reciprocate by the rotation of the motor and the eccentric gear, and as the structure described in chinese patent document CN215458864U, the piston rod also swings left and right in the process, so that the friction force during the movement of the piston is increased, and the transmission efficiency is reduced; in addition, since the piston rod does not move linearly, the piston may be displaced to some extent during movement, which may cause water leakage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a piston linear drive structure and towards tooth ware to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a piston straight line drive structure, includes drive assembly and piston rod, the piston rod tip is equipped with hollow transmission portion, and this hollow position is rectangular shape, the symmetry both sides are equipped with a plurality of first rodent and a plurality of second rodent respectively in the transmission portion, are located the transmission piece that is equipped with in the transmission portion, transmission piece one side is equipped with a plurality of third rodents, drive assembly is connected with the transmission of transmission piece, drives the transmission piece through drive assembly and rotates, makes the third rodent mesh with first rodent and a plurality of second rodent respectively.

According to a further technical scheme, a plurality of third engaging teeth occupy one fourth of the circumference of the transmission block.

According to a further technical scheme, the distance between the first meshing tooth and the second meshing tooth is the same as the diameter of the transmission block.

According to a further technical scheme, the driving assembly comprises a driving motor and a big bevel gear, a transmission gear is arranged at the output end of the driving motor and meshed with the big bevel gear, and the middle of the big bevel gear is connected with the transmission block.

In a further technical scheme, the transmission block and the big bevel gear are of an integrated structure.

According to a further technical scheme, the bevel gear transmission device further comprises a shell, wherein a first installation position used for placing a driving motor and a second installation position used for placing a large bevel gear are formed in the shell in a surrounding mode, a positioning shaft is arranged at the second installation position, and the positioning shaft penetrates through the transmission block.

According to the technical scheme, the transmission part is in a long strip shape, one side, close to the transmission part, of the shell is provided with two limiting plates, and the two limiting plates are located on two sides of the transmission part respectively to form a motion guide groove.

A tooth flusher comprises the piston linear driving structure.

The utility model has the advantages that:

the driving assembly drives the transmission block to rotate, so that the third meshing teeth can be respectively meshed with the first meshing teeth and the second meshing teeth, vertical reciprocating motion of the piston rod is realized, namely the piston rod can realize reciprocating linear motion without swinging, friction force generated by motion of the piston can be effectively reduced, transmission efficiency is improved, the piston is stressed more directly and uniformly in the pump body, and water leakage caused by deviation of the piston is avoided; in addition, the linear driving mechanism eliminates the vibration generated by the traditional swing type transmission and the noise generated by swing, so that a user can hold the tooth flusher more comfortably.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

FIG. 1: the structure chart of the utility model.

FIG. 2: the utility model discloses a part A enlarger.

FIG. 3: the utility model discloses an explosion diagram.

FIG. 4: the utility model discloses some schematic structure diagrams.

FIG. 5 is a schematic view of: the utility model discloses an action process schematic diagram.

Reference numerals: 1-drive component, 11-drive motor, 12-big bevel gear, 13-drive gear, 2-piston rod, 3-drive part, 31-first tooth, 32-second tooth, 41-drive block, 42-third tooth, 5 a-shell I, 5 b-shell II, 51-installation position I, 52-installation position II, 53-installation position III, 54-positioning shaft, 55-limit plate, 56-motion guide groove and 6-pump body.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Please refer to fig. 1-5;

the linear driving mechanism of the utility model is mainly applied to the tooth washing device and is used in cooperation with the pump body 6, so the linear driving mechanism will be explained by combining the pump body 6; the device specifically comprises a driving component 1, a transmission block 41 and a piston rod 2, wherein one end of the piston rod 2 is provided with a pump body 6, the end part of the piston rod 2 is connected with a piston and extends into the pump body 6, and the other end of the piston rod 2 is provided with a hollow transmission part 3;

in this embodiment, the driving assembly 1 can drive the transmission block 41 to rotate, wherein the driving assembly 1 may be a driving device capable of generating rotational kinetic energy, an output end of the driving device is provided with a worm (not shown), the transmission block 41 may be in a cylindrical shape, a helical gear (not shown) is disposed at an end of the transmission block 41, and the worm is engaged with the helical gear, so as to drive the transmission block 41 to rotate, which may refer to the structure in chinese patent document CN 212210726U; it should be noted that, here, only for explaining that the driving assembly 1 can drive the transmission block 41 to rotate, in the actual production, it should have other structures that can realize that the driving assembly 1 can drive the transmission block 41 to rotate, and therefore, should not be taken as a limitation of the protection scope.

The specific effect of the utility model is that the piston rod 2 can reciprocate by the cooperation of the transmission part 3 and the transmission block 41, therefore, the hollow position of the transmission part 3 should have a certain space for the transmission block 41 to move, for example, the hollow position can be in a strip shape; a plurality of first engaging teeth 31 and a plurality of second engaging teeth 32 are respectively arranged at the symmetrical two sides in the transmission part 3 (the hollow position of the transmission part 3);

as shown in fig. 5, in operation, the driving assembly 1 drives the transmission block 41 to rotate, when the third engaging teeth 42 on one side of the transmission block 41 are engaged with the first engaging teeth 31 in the transmission portion 3, the third engaging teeth 42 are separated from the second engaging teeth 32, and along with the rotation of the transmission block 41, the transmission portion 3 is pushed to move downward under the interaction of the third engaging teeth 42 and the first engaging teeth 31, that is, the piston rod 2 moves toward the inside of the pump body 6; when the last third tooth 42 is completely disengaged from the last first tooth 31, the first third tooth 42 engages with the first second tooth 32, the third tooth 42 is disengaged from the first tooth 31, and the transmission portion 3 is pushed upwards by the interaction of the third teeth 42 and the second teeth 32, i.e. the piston rod 2 is extracted from the pump body 6; the working mode in the embodiment is circulated, so that the vertical reciprocating motion of the piston rod 2 is realized, that is, the piston rod 2 can realize the reciprocating linear motion without swinging, the friction force generated by the motion of the piston can be effectively reduced, the transmission efficiency is improved, the stress of the piston in the pump body 6 is more direct and uniform, and the condition that the piston deviates to cause water leakage is avoided; in addition, the linear driving mechanism eliminates the vibration generated by the traditional swing type transmission and the noise generated by swing, so that a user can hold the tooth flusher more comfortably.

It is noted that, for technological reasons, after the third tooth 42 and the first tooth 31 are disengaged, the third tooth 42 may not perfectly engage with the second tooth 32 immediately, but since the rotation speed is very fast, the intermediate intermittent process can be ignored, and therefore should not be taken as a condition for dividing the protection range, and of course, as long as the pitch layout is reasonable, a perfect switching process can be achieved, wherein the number of the third tooth 42 is preferably a quarter of the circumference of the transmission block 41.

For compactness, when the third tooth teeth 42 are engaged with the first tooth teeth 31 or the second tooth teeth 32, the distance between the first tooth teeth 31 and the second tooth teeth 32 is the same as the diameter of the transmission block 41, which can effectively improve the slight swing during operation.

The following description is directed to the drive assembly 1;

in this embodiment, the driving assembly 1 includes a driving motor 11 and a large bevel gear 12, a transmission gear 13 is disposed at an output end of the driving motor 11, the transmission gear 13 is engaged with the large bevel gear 12, a middle portion of the large bevel gear 12 is connected to a transmission block 41, the driving motor 11 drives the large bevel gear 12 to rotate through the transmission gear 13, and the large bevel gear 12 synchronously drives the transmission block 41 to rotate.

Based on the above embodiment, the utility model discloses still include the casing, the casing comprises shell one 5a and shell two 5b, shell one 5a and shell two 5b cooperate to use to enclose to close and is formed with the installation position one 51 that is used for placing driving motor 11 and the installation position two 52 that is used for placing big bevel gear 12, installation position two 52 departments are equipped with location axle 54, location axle 54 runs through driving block 41, fix the position of big bevel gear 12 through location axle 54 simultaneously, during the action, big bevel gear 12 uses location axle 54 to rotate as the center, can also have other installation positions of course, for example, the installation position three 53 that is used for fixed pump body 6.

In this embodiment, transmission portion 3 is rectangular shape, and two 5b inboards of shell are equipped with two limiting plates 55, and two limiting plates 55 are located the both sides of transmission portion 3 respectively, form motion guide way 56, and the during operation can further alleviate the vibration of piston rod 2 when the action through limiting plate 55's spacing, and motion guide way 56 can restrict the direction of motion of piston rod 2 simultaneously, makes the operation more steady.

The utility model also discloses a tooth ware that dashes that contains above-mentioned sharp actuating mechanism, the utility model provides a tooth ware and sharp actuating mechanism of dashing based on same design, the technological effect who produces is the same, consequently the tooth ware of dashing specifically can refer to the embodiment of piston straight line transmission structure, no longer repeated here.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A piston linear drive structure, includes drive assembly (1) and piston rod (2), its characterized in that: piston rod (2) tip is equipped with hollow transmission portion (3), and this hollow position is rectangular shape, the symmetry both sides are equipped with a plurality of first rodent (31) and a plurality of second rodent (32) respectively in transmission portion (3), are located and are equipped with transmission piece (41) in transmission portion (3), transmission piece (41) one side is equipped with a plurality of third rodent (42), drive assembly (1) is connected with transmission piece (41) transmission, drives transmission piece (41) through drive assembly (1) and rotates, makes third rodent (42) mesh with first rodent (31) and a plurality of second rodent (32) respectively.

2. A piston linear drive arrangement as claimed in claim 1, wherein: the third teeth (42) occupy one fourth of the circumference of the transmission block (41).

3. A piston linear drive arrangement as claimed in claim 1, wherein: the distance between the first and second teeth (31, 32) is the same as the diameter of the transmission block (41).

4. A piston linear drive arrangement as claimed in claim 1, wherein: the driving assembly (1) comprises a driving motor (11) and a big bevel gear (12), a transmission gear (13) is arranged at the output end of the driving motor (11), the transmission gear (13) is meshed with the big bevel gear (12), and the middle part of the big bevel gear (12) is connected with a transmission block (41).

5. The piston linear driving structure as claimed in claim 4, wherein: the transmission block (41) and the big bevel gear (12) are of an integrated structure.

6. The piston linear drive structure as set forth in claim 5, wherein: the bevel gear transmission mechanism is characterized by further comprising a shell, a first mounting position (51) for placing a driving motor (11) and a second mounting position (52) for placing a bevel gear (12) are formed in the shell in a surrounding mode, a positioning shaft (54) is arranged at the second mounting position (52), and the positioning shaft (54) penetrates through the transmission block (41).

7. A piston linear drive arrangement as claimed in claim 6, wherein: the transmission portion (3) are long-strip-shaped, one side of the shell, which is close to the transmission portion (3), is provided with two limiting plates (55), and the two limiting plates (55) are respectively positioned on two sides of the transmission portion (3) to form a motion guide groove (56).

8. A tooth flusher is characterized in that: including the piston linear drive arrangement of any one of claims 1-7.