CN216044315U

CN216044315U - Straight tooth driving elastomer pump body structure

Info

Publication number: CN216044315U
Application number: CN202121989728.3U
Authority: CN
Inventors: 胡道兵
Original assignee: Shenzhen Xinbaoxin Hardware And Plastic Products Co ltd
Current assignee: Shenzhen Xinbaoxin Hardware And Plastic Products Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-03-15
Anticipated expiration: 2031-08-20

Abstract

The utility model discloses a straight-tooth driving elastic body pump body structure which comprises a driving structure and a transfusion structure, wherein the driving structure comprises a driving motor and a driving gear, the driving gear comprises a first straight-tooth gear and a second straight-tooth gear, the first straight-tooth gear is meshed with the second straight-tooth gear, the driving motor drives the second straight-tooth gear to rotate through the first straight-tooth gear, the transfusion structure comprises an elastic cavity, the second straight-tooth gear is connected with the cavity wall of the elastic cavity through a crank connecting rod structure, and the volume of the elastic cavity is periodically changed along with the rotation of the second straight-tooth gear. According to the utility model, a driving structure with straight gears connected with a motor is adopted, power transmission is realized by using the two straight gears, the elastic cavity connected with the pump chamber is connected through the crank connecting rod structure, and the piston movement of the crank connecting rod structure drives the volume change of the elastic cavity, so that the internal pressure of the pump chamber is changed, the pressure difference in the water inlet direction and the water outlet direction is formed, the output of water flow pulse water flow is promoted, the noise generated by transmission is low, and the use experience of people can be improved.

Description

Straight tooth driving elastomer pump body structure

Technical Field

The utility model relates to the technical field of tooth flushing devices, in particular to a straight tooth driving elastic body pump body structure.

Background

Like high pressure water guns that can rinse out automobiles, etc., water jets of appropriate pressure have been proven to effectively clean people's teeth and oral cavities, thus creating a dental rinse. The tooth flushing device is an auxiliary tool for cleaning the oral cavity, and the teeth and the slits between the teeth are cleaned by utilizing a pulse water flow impact mode to keep the oral cavity clean. Along with the improvement of living standard of people, the attention on the health of teeth is increased, and the tooth washing device with the advantages of convenient use, good cleaning effect, small damage to gum, portability and the like is welcomed by people. The existing tooth flushing device mostly uses a pump to pump water and form water flow, is mostly a centrifugal pump, and a driving structure of the tooth flushing device is mostly a combined structure of a piston and a crown gear.

The above disadvantages need to be improved.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a straight tooth driving elastic body pump body structure.

The technical scheme of the utility model is as follows:

the utility model provides a straight-tooth drive elastomer pump body structure, includes drive structure and infusion structure, the drive structure includes driving motor and drive gear, drive gear includes first spur gear and second spur gear, first spur gear with the meshing of second spur gear, the driving motor warp first spur gear drives the second spur gear rotates, the infusion structure includes the elasticity chamber, the second spur gear passes through crank connecting rod structural connection the chamber wall in elasticity chamber, the volume in elasticity chamber is along with the rotation of second spur gear takes place periodic variation.

Foretell straight-tooth drive elastomer pump body structure, the center of second straight-tooth gear sets up the eccentric shaft, the second straight-tooth gear passes through eccentric shaft connects the gear connecting rod, the rotation of second straight-tooth gear warp the eccentric shaft drives the gear connecting rod reciprocates.

Furthermore, a fixing piece is arranged on the cavity wall of the elastic cavity, the gear connecting rod is connected with the fixing piece, the gear connecting rod moves up and down and drives the cavity wall to move up and down through the gear connecting rod and the fixing piece, and the volume of the elastic cavity wall changes along with the up and down movement of the cavity wall.

The straight-tooth driving elastomer pump body structure comprises a liquid inlet cavity and a liquid outlet cavity, wherein the liquid inlet cavity is communicated with the liquid outlet cavity, the liquid inlet cavity is provided with a water inlet valve, the liquid outlet cavity is provided with a water outlet valve, and the water inlet valve is connected with an elastic cavity;

the volume of the elastic cavity is increased, the water inlet valve is opened, and the water outlet valve is closed; the volume of the elastic cavity is reduced, the water inlet valve is closed, and the water outlet valve is opened.

Furthermore, a first moving groove is formed between the elastic cavity and the liquid inlet cavity, the water inlet valve is arranged in the first moving groove, a sealing ring is arranged on the part, located in the liquid inlet cavity, of the water inlet valve, and the diameter of the sealing ring is larger than that of the first moving groove.

Furthermore, a second moving groove is formed between the liquid outlet cavity and the liquid outlet pipe, the water outlet valve is arranged in the second moving groove, a sealing ring is arranged on the part, located in the liquid outlet cavity, of the water outlet valve, and the diameter of the sealing ring is larger than that of the second moving groove.

In the straight-tooth driving elastic body pump body structure, the plane of the driving motor is perpendicular to the planes of the first straight gear and the second straight gear.

Foretell straight-tooth drive elastomer pump body structure sets up the casing outward, the inside draw-in groove that sets up a plurality of steps form of casing, drive structure inside assembly both sides all set up protruding key, protruding key inserts the draw-in groove is inside fixed, makes pump body structure is fixed in inside the casing.

In the straight-tooth driving elastic body pump body structure, the gear ratio of the first straight-tooth gear to the second straight-tooth gear is 1: 5.

According to the scheme, the water flow pulse water flow pump has the advantages that the driving structure with the straight gears connected with the motor is adopted, the two straight gears are used for realizing power transmission, the elastic cavity connected with the pump chamber is connected through the crank connecting rod structure, the piston of the crank connecting rod structure moves to drive the volume of the elastic cavity to change the pressure inside the pump chamber, so that the pressure difference between the water inlet direction and the water outlet direction is formed, the output of water flow pulse water flow is promoted, and compared with the combination of the crown gear and the piston structure, the water flow pulse water flow pump is simple in structure, high in bearing capacity, high in durability, simple to manufacture, low in noise generated by transmission, free of influence on the performance of gear transmission, and capable of improving the use experience of people.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic cross-sectional view of a longitudinal structure of the present invention.

Fig. 2 is a cross-sectional view of the lateral structure of the present invention.

Wherein, in the figures, the respective reference numerals:

1. a drive motor; 2. a first straight gear; 3. a second spur gear; 4. a crank connecting rod structure; 5. a gear connecting rod; 6. an elastic cavity; 7. a fixing member; 8. a liquid inlet cavity; 9. a water inlet valve; 10. a liquid outlet cavity; 11. and (4) a water outlet valve.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "fixed" or "disposed" or "connected" to another element, it can be directly or indirectly located on the other element. The terms "upper", "lower", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are only for convenience of description and not to be construed as limiting the technical solution. The terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features.

The utility model provides a straight tooth drive elastomer pump body structure, as shown in figure 1, figure 2, including drive structure and infusion structure, drive structure includes driving motor 1 and drive gear, drive gear includes first straight-tooth gear 2 and second straight-tooth gear 3, first straight-tooth gear 2 and the meshing of second straight-tooth gear 3, driving motor 1 drives second straight-tooth gear 3 through first straight-tooth gear 2 and rotates, the infusion structure includes elasticity chamber 6, second straight-tooth gear 3 passes through the chamber wall that crank connecting rod structure 4 connects elasticity chamber 6, the volume in elasticity chamber 6 takes place periodic variation along with the rotation of second straight-tooth gear 3.

The utility model adopts a driving structure that a straight gear is connected with a motor, power transmission is realized by utilizing two straight gears, the elastic cavity 6 connected with a pump chamber is connected through a crank connecting rod structure 4, the piston of the crank connecting rod structure 4 moves to drive the volume change of the elastic cavity 6, so that the pressure inside the pump chamber is changed, the pressure difference in the water inlet direction and the water outlet direction is formed, and the output of water flow pulse water flow is promoted.

The tooth flushing device structure comprises a shell, a water storage bin and a spray pipe besides a pump body structure, water in the water storage bin is sprayed out through the spray pipe through the pump body, the pump body and the water storage bin are both located inside the shell, and the shell is connected with a screw through a lock and fixed. A plurality of step-shaped and deep-shaped clamping grooves are formed in the shell, and the structure is inserted into the clamping grooves to be fixed.

The plane of the driving motor 1 is perpendicular to the planes of the first straight gear 2 and the second straight gear 3, the rotating shaft of the driving motor 1 and the central shaft of the first straight gear 2 are on the same straight line, the first straight gear 2 is sleeved on the rotating shaft of the driving motor 1, the driving motor 1 drives the first straight gear 2 to rotate, and the first straight gear 2 is meshed with the second straight gear 3 to be connected, so that the first straight gear 2 drives the second straight gear 3 to rotate. The end face of the second straight gear 3 is provided with a crank connecting rod structure 4, and the second straight gear 3 drives the crank connecting rod structure 4 to rotate when rotating.

In one embodiment, the gear ratio of the first spur gear 2 to the second spur gear 3 is 1: 5.

The crank connecting rod structure 4 is connected with the gear connecting rod 5, the end part of the gear connecting rod 5 is provided with a connecting thread, the cavity wall of the elastic cavity 6 is provided with a fixing part 7, a connecting nut is fixedly arranged, and the gear connecting rod 5 is connected with the fixing part 7 through the connecting thread and the connecting nut. When the second straight gear 3 rotates, the rotation motion of the second straight gear 3 is changed into the up-and-down motion of the gear connecting rod 5 through the crank connecting rod structure 4. When the gear connecting rod 5 moves up and down, the cavity wall of the elastic cavity 6 is driven to move up and down, so that the volume of the elastic cavity wall changes along with the up and down movement of the cavity wall.

The chamber wall both ends in elasticity chamber 6 are fixed in the draw-in groove of casing through open protruding key embedding, and the middle part is passed through mounting 7 (coupling nut) and is connected with gear connecting rod 5, so, when gear connecting rod 5 moved, the elasticity chamber wall in elasticity chamber 6 also removed along with gear connecting rod 5, and the other end chamber wall in elasticity chamber 6 then forms for the casing, and the rigidity can not remove, consequently, when the chamber wall moved, volume change took place in elasticity chamber 6.

The other end of the elastic cavity 6 is a liquid inlet cavity 8, the liquid inlet cavity 8 is communicated with a liquid outlet cavity 10, the liquid inlet cavity 8 is provided with a water inlet valve 9, and the liquid outlet cavity 10 is provided with a water outlet valve 11. A first moving groove is arranged between the elastic cavity 6 and the liquid inlet cavity 8, and the water inlet valve 9 is arranged in the first moving groove. The part of the water inlet valve 9, which is positioned in the liquid inlet cavity 8, is provided with a sealing ring, the diameter of the sealing ring is larger than that of the first moving groove, and the sealing ring of the water inlet valve 9 can enter the first moving groove under the action of pressure due to the fact that the structure of the water inlet valve 9 is made of flexible materials, extrusion resistance is caused, and the first moving groove is blocked. Similarly, a second moving groove is arranged between the liquid outlet cavity 10 and the liquid outlet pipe, the water outlet valve 11 is arranged in the second moving groove, a sealing ring is arranged on the part of the water outlet valve 11 positioned in the liquid outlet cavity 10, and the diameter of the sealing ring is larger than that of the second moving groove. When the outlet valve 11 moves, the sealing ring blocks the second moving groove.

When the gear connecting rod 5 moves downwards, the cavity wall of the elastic cavity 6 is pulled downwards, the volume of the elastic cavity 6 is increased, the air pressure is reduced, the water inlet valve 9 is opened, the water outlet valve 11 is closed, and water in the water storage bin flows into the liquid inlet cavity 8 from the liquid inlet pipe; when the gear connecting rod 5 moves upwards, the cavity wall of the elastic cavity 6 is pulled upwards, the volume of the elastic cavity 6 is reduced, the air pressure is increased, the water inlet valve 9 is closed, the water outlet valve 11 is opened, and water in the liquid inlet cavity 8 flows out along the spray pipe through the liquid outlet cavity 10.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a straight-tooth drive elastomer pump body structure, a serial communication port, including drive structure and infusion structure, the drive structure includes driving motor and drive gear, drive gear includes first spur gear and second spur gear, first spur gear with the meshing of second spur gear, driving motor warp first spur gear drives the second spur gear rotates, the infusion structure includes the elasticity chamber, the second spur gear passes through crank connecting rod structural connection the chamber wall in elasticity chamber, the volume in elasticity chamber is along with the rotation of second spur gear takes place periodic variation.

2. The structure of claim 1, wherein an eccentric shaft is disposed at the center of the second spur gear, the second spur gear is connected to a gear connecting rod through the eccentric shaft, and the rotation of the second spur gear drives the gear connecting rod to move up and down through the eccentric shaft.

3. The straight-tooth driving elastic body pump body structure according to claim 2, wherein a fixing piece is arranged on a cavity wall of the elastic cavity, the gear connecting rod is connected with the fixing piece, the gear connecting rod moves up and down and drives the cavity wall to move up and down through the gear connecting rod and the fixing piece, and the volume of the elastic cavity changes along with the up and down movement of the cavity wall.

4. The straight-tooth-drive elastomer pump body structure as claimed in claim 1, wherein the infusion structure comprises a liquid inlet cavity and a liquid outlet cavity, the liquid inlet cavity is communicated with the liquid outlet cavity, the liquid inlet cavity is provided with a water inlet valve, the liquid outlet cavity is provided with a water outlet valve, and the water inlet valve is connected with the elastic cavity;

5. The straight-tooth driving elastomer pump body structure according to claim 4, wherein a first moving groove is formed between the elastic cavity and the liquid inlet cavity, the water inlet valve is arranged in the first moving groove, a sealing ring is arranged on a portion of the water inlet valve, which is located in the liquid inlet cavity, and the diameter of the sealing ring is larger than that of the first moving groove.

6. The structure of claim 4, wherein a second moving groove is formed between the outlet cavity and the outlet pipe, the outlet valve is disposed in the second moving groove, and a sealing ring is disposed on a portion of the outlet valve located in the outlet cavity, and a diameter of the sealing ring is greater than a diameter of the second moving groove.

7. A spur-driven elastomeric pump body structure according to claim 1 wherein said drive motor lies in a plane perpendicular to both of said first spur gear and said second spur gear.

8. The straight tooth driving elastic body pump body structure according to claim 1, wherein a housing is arranged outside the pump body structure, a plurality of step-shaped clamping grooves are formed in the housing, protruding keys are arranged on two sides of an inner assembly of the driving structure, and the protruding keys are inserted into the clamping grooves to be fixed, so that the pump body structure is fixed in the housing.

9. A spur-driven elastic body pump body structure according to claim 1, wherein a gear ratio of the first spur gear to the second spur gear is 1: 5.