A waterproof piston structure with air pressure vibration suction function

Abstract

The utility model discloses a waterproof piston structure with air pressure vibration sucking function, which includes: a piston bracket, the piston bracket has a piston cavity, the piston cavity has a first rung port and a second rung port, and the piston bracket side has a mounting position; a piston, the piston is movably arranged in the piston cavity, and the piston cavity is divided into a first sucking area and a second sucking area; a driving member, the driving member is arranged in the mounting position, the output end of the driving member is inserted into the piston cavity, and is connected to the piston through an eccentric component; a first sealing area is arranged between the driving member and the mounting position, and the piston is provided with a second sealing area and a third sealing area; the mounting position has a groove, a movable port is arranged in the groove, the first sealing area is arranged at the movable port, and the first sealing area is provided with an arc-shaped depression formed on the edge of the movable port and a waterproof sealing ring arranged in the arc-shaped depression. The utility model has the characteristics of simple structure, practical function, and good waterproof performance, and has strong practicality and should be vigorously promoted.

Description

Technical Field

[0001] The utility model relates to the technical field of decompression toys, in particular to massage instruments, and more particularly to a waterproof piston structure with air pressure vibration and sucking functions. Background Art

[0002] The piston pump relies on the reciprocating motion of the piston to change the working volume of the pump chamber periodically to achieve the suction and discharge of liquid. When the motor drives the piston to move back and forth, it is easy for the liquid to flow into the product from the connection between the motor and the piston, causing a short circuit in the electronic components inside the product, thus shortening the service life of the product. Therefore, a new technical solution needs to be studied to solve the above problem. Utility Model Content

[0003] In order to overcome the above-mentioned shortcomings, the utility model aims to provide a waterproof piston structure with air pressure vibration suction function, which is a technical solution to the above-mentioned problem.

[0004] In order to solve the above problems, the utility model adopts the following technical solution: a waterproof piston structure with air pressure vibration suction function, characterized in that it includes:

[0005] The piston bracket has a piston cavity, the piston cavity has a first port and a second port connected to the piston cavity, and the side of the piston bracket has a mounting position;

[0006] A piston is movably disposed in the piston cavity and divides the piston cavity into a first suction area and a second suction area;

[0007] A driving member, the driving member is arranged at the installation position, the output end of the driving member is inserted into the piston cavity, and is connected to the piston through an eccentric component;

[0008] Wherein, a first sealing area is provided between the driving member and the mounting position, and a second sealing area and a third sealing area are provided for the pistons located in the first suction area and the second suction area;

[0009] The mounting position has a groove that matches the mounting position, and a movable port connected to the piston cavity is arranged in the groove. The first sealing area is arranged at the movable port. The first sealing area is provided with an arc-shaped depression formed on the edge of the movable port and a waterproof sealing ring arranged in the arc-shaped depression. The output end of the driving member passes through the movable port, and the end face of the driving member inserted into the groove contacts the waterproof sealing ring.

[0010] Preferably, the eccentric assembly includes an eccentric rod connected to the output end of the driving member and a rocker rod having one end connected to the eccentric rod and the other end connected to the piston.

[0011] Preferably, the rocker arm includes a connecting portion and pulling portions symmetrically arranged on both sides of the connecting portion, the connecting portion is provided with a connecting hole connected to the eccentric rod, the two pulling portions are axially arranged along the connecting hole, and the pulling portion gradually tilts outward from the pulling portion to the end, and the end of the pulling portion is provided with a convex portion connected to the piston.

[0012] Preferably, a connecting cavity is provided in the middle of the piston, and the piston has a connecting port for the two pulling parts to pass through the inside of the connecting cavity, and the port edge of the connecting port is symmetrically provided with inclined ports gradually inclined toward the connecting cavity, and the opposite side walls of the connecting cavity are provided with through holes that penetrate the connecting cavity and are connected to the convex part, and the bottom surface of the connecting cavity is provided with an arc-shaped convex block for propping up the two pulling parts.

[0013] Preferably, the second sealing area and the third sealing area are symmetrically arranged on the upper and lower sides of the piston, and the second sealing area and the third sealing area include an annular groove arranged on the side wall of the piston and a first sealing ring arranged on the annular groove and having an end face in contact with the piston cavity.

[0014] Preferably, a first annular insertion groove is provided at the edge of the first port, a second sealing ring is provided in the first annular insertion groove, a first waterproof cover is plugged into the first annular insertion groove, and the second port is an air outlet.

[0015] In one embodiment, a second annular insertion groove is provided at the edge of the first trip port, a third sealing ring is provided in the second annular insertion groove, and a second waterproof cover is plugged into the second annular insertion groove; a third annular insertion groove is provided at the edge of the second trip port, a fourth sealing ring is provided in the third annular insertion groove, and a first suction cover is plugged into the third annular insertion groove, a first air outlet connector is provided on the first suction cover, and the first air outlet connector is connected to the air pipe.

[0016] In another example, a second annular insertion groove is provided at the edge of the first port, a third sealing ring is provided in the second annular insertion groove, and a second waterproof cover is plugged into the second annular insertion groove; a third annular insertion groove is provided at the edge of the second port, a fourth sealing ring is provided in the third annular insertion groove, and a first suction cover is plugged into the third annular insertion groove, a first air outlet connector is provided on the first suction cover, and the first air outlet connector is connected to the air pipe.

[0017] Preferably, the driving member is a motor.

[0018] Compared with the prior art, the utility model has the following beneficial effects: by providing a first sealing area between the driving member and the mounting position, a waterproof sealing ring is used to seal the connection between the driving member and the piston bracket, and an arc-shaped recess is provided to accommodate the waterproof sealing ring, so that the end face of the driving member and the waterproof sealing ring are fitted to a great extent, the gap between the two is reduced, the sealing reliability is improved, and the waterproof sealing of the driving member and the piston bracket can be strengthened, thereby avoiding liquid leakage of the structure. The waterproof piston structure with air pressure vibration suction function of the utility model has the characteristics of simple structure, practical function and good waterproof performance, and it has strong practicality and should be vigorously promoted. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic diagram of an explosion structure in an embodiment;

[0020] Figure 2 is a cross-sectional view of an embodiment;

[0021] Figure 3 This is a schematic diagram of the connection structure between the eccentric component and the piston in the utility model;

[0022] Figure 4 is a cross-sectional view of another embodiment;

[0023] Figure 5 It is a cross-sectional view of yet another embodiment. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0025] Example 1

[0026] See also Figure 1 and Figure 2The present embodiment provides a waterproof piston 2 structure with an air pressure vibration sucking function, comprising a piston bracket 1, a piston 2 and a driving member 3, wherein the piston bracket 1 has a piston cavity 10, the piston cavity 10 has a first port and a second port connected to the piston cavity 10, the first port and the second port are arranged on the piston cavity 10 to facilitate the installation of the piston 2, the piston bracket 1 has a mounting position 11 on the side, the piston 2 is movably arranged in the piston cavity 10, and the piston cavity 10 is divided into a first sucking area 12 and a second sucking area 13, the first port corresponds to the first sucking area 12, and the second port corresponds to the second sucking area 13; the driving member 3 is arranged at the mounting position 11, the output end of the driving member 3 is inserted into the piston cavity 10, and is connected to the piston 2 through an eccentric component 30, in the present embodiment, the driving member 3 adopts a motor, when the motor drives the eccentric component 30 to drive the piston 2 to move back and forth in the first sucking area 12 and the second sucking area 13 in the piston cavity 10, and while driving the piston 2 to move through the eccentric component 30, the piston bracket 1 is driven to vibrate.

[0027] In order to prevent the motor-driven eccentric assembly 30 from driving the piston 2 to move, so that when the piston bracket 1 vibrates, the output end of the motor passes through the position of the piston bracket 1 to prevent leakage, for this purpose, a first sealing area is arranged between the driving member 3 and the mounting position 11; wherein, the mounting position 11 has a groove that matches the mounting position 11, and a movable port connected to the piston cavity 10 is arranged in the groove, and the first sealing area is arranged at the movable port, and the first sealing area is provided with an arc-shaped depression formed on the edge of the movable port and a waterproof sealing ring 14 arranged in the arc-shaped depression, the output end of the driving member 3 passes through the movable port, and the end face of the driving member 3 inserted into the groove contacts with the waterproof sealing ring 14; through the above arrangement, the connection between the driving member 3 and the piston bracket 1 is sealed by the waterproof sealing ring 14, and an arc-shaped depression is arranged to accommodate the waterproof sealing ring 14, so that the end face of the driving member 3 is fitted with the waterproof sealing ring 14 to a great extent, the gap between the two is reduced, the sealing reliability is improved, and the waterproof sealing of the driving member 3 and the piston bracket 1 can be strengthened, thereby avoiding structural leakage.

[0028] In this example, see Figure 3The eccentric assembly 30 includes an eccentric rod 301 connected to the output end of the driving member 3 and a swing rod 302 connected to the eccentric rod 301 at one end and connected to the piston 2 at the other end; wherein the swing rod 302 includes a connecting portion 3021 and pulling portions 3022 symmetrically arranged at both sides of the connecting portion 3021, the connecting portion 3021 is provided with a connecting hole 3023 connected to the eccentric rod 301, the two pulling portions 3022 are axially arranged along the connecting hole 3023, and the pulling portion 3022 is gradually inclined outward from the pulling portion 3022 to the end, and the end of the pulling portion 3022 is provided with a convex portion 3024 connected to the piston 2; the piston 2 is provided with a connecting cavity 20 in the middle, and the piston 2 has a connecting port for the two pulling parts 3022 to pass through the connecting cavity 20, and the port edge of the connecting port is symmetrically provided with inclined surface ports 21 gradually inclined toward the connecting cavity 20, and the two inclined surface ports 21 are provided to facilitate the two pulling parts 3022 to be inserted into the connecting cavity 20, and the opposite side walls of the connecting cavity 20 are provided with through holes 22 that penetrate the connecting cavity 20 and are connected to the convex portion 3024, and the bottom surface of the connecting cavity 20 is provided with an arc-shaped convex block 23 for propping up the two pulling parts 3022. Through the above arrangement, the piston 2 can be effectively and quickly installed and connected with the eccentric assembly 30.

[0029] In order to ensure that the piston 2 can produce air pressure when the first sucking area 12 or the second sucking area 13 is active, and to achieve the sucking effect of the piston 2 when it moves back and forth in the first sucking area 12 or the second sucking area 13, the piston 2 located in the first sucking area 12 and the second sucking area 13 is provided with a second sealing area and a third sealing area, and the second sealing area and the third sealing area are symmetrically arranged on the upper and lower sides of the piston 2, and the second sealing area and the third sealing area include an annular groove arranged on the side wall of the piston 2 and a first sealing ring 15 arranged on the annular groove and the end face of which is in contact with the piston cavity 10; wherein, a first annular insertion groove 17 is arranged on the edge of the first trip port, a second sealing ring 16 is arranged in the first annular insertion groove 17, and a first waterproof cover 18 is plugged into the first annular insertion groove 17, and the second trip port is an air outlet. During operation, when the motor drives the eccentric assembly 30 to drive the piston 2 to move back and forth along the first sucking area 12 and the second sucking area 13, the piston 2 moves upward to inhale, and the piston 2 moves downward to push air, and the gas enters and exits from the second trip port, producing a sucking vibration effect.

[0030] It should be noted that the first port is sealed by the first waterproof cover 18, and the gas in the first suction area 12 cannot flow out from the first port, but flows out through the connecting cavity 20 and the through hole 22 of the piston 2, so that the piston 2 can move back and forth between the first suction area 12 and the second suction area 13 without the problem of the piston 2 being squeezed by the air pressure in the first suction area 12 and unable to move.

[0031] Example 2

[0032] See also Figure 4Compared with the first embodiment, the present embodiment is characterized in that a second annular insertion groove 17' is provided at the edge of the first trip port, a third sealing ring 17'-1 is provided in the second annular insertion groove 17', and a second waterproof cover 17'-2 is plugged into the second annular insertion groove 17'; a third annular insertion groove 19 is provided at the edge of the second trip port, a fourth sealing ring 19'-2 is provided in the third annular insertion groove 19, a first suction cover 19'-1 is plugged into the third annular insertion groove 19, and the first suction cover 19'-1 A first air outlet connector 19'-3 connected to the second sucking area 13 is provided on the top, and the first air outlet connector 19'-3 is connected to the air pipe. By setting the first air outlet connector 19'-3 connected to the air pipe, the sucking position can be adjusted. During operation, when the motor drives the eccentric assembly 30 to drive the piston 2 to move back and forth along the first sucking area 12 and the second sucking area 13, the piston 2 moves upward to inhale air, and the piston 2 moves downward to push air. The gas enters and exits the first air outlet connector 19'-3, generating a sucking vibration effect.

[0033] Example 3

[0034] See also Figure 5 Compared with the first and second embodiments, the present embodiment is characterized in that a fourth annular insertion groove 17" is provided at the edge of the first trip port, a fifth sealing ring 17"-1 is provided in the fourth annular insertion groove 17", a second suction cover 17"-2 is plugged into the fourth annular insertion groove 17", and a second air outlet connector 17"-3 connected to the first suction area 12 is provided on the second suction cover 17"-2; a fifth annular insertion groove 19" is provided at the edge of the second trip port, a sixth sealing ring 19"-1 is provided in the fifth annular insertion groove 19", a third suction cover 19"-2 is plugged into the fifth annular insertion groove 19", and a third suction cover 19"-2 is provided on the third suction cover 19"-2 connected to the second suction area 13 Air outlet connector 19"-3; the second air outlet connector 17"-3 and the third air outlet connector 19"-3 are respectively connected to the trachea; by respectively arranging the second air outlet connector 17"-3 and the third air outlet connector 19"-3 connected to the trachea on the second sucking cover 17"-2 and the third sucking cover 19"-2, the sucking position can be adjusted, and sucking at multiple positions can be achieved; when the motor drives the eccentric assembly 30 to drive the piston 2 to move back and forth along the first sucking area 12 and the second sucking area 13, the piston 2 moves up and down to inhale, and the piston 2 moves up and down to push air, and the second air outlet connector 17"-3 and the third air outlet connector 19"-3 cyclically push and inhale to form a double sucking vibration function.

[0035] In summary, the utility model provides a first sealing area between the driving member 3 and the mounting position 11, uses a waterproof sealing ring 14 to seal the connection between the driving member 3 and the piston bracket 1, and provides an arc-shaped recess to accommodate the waterproof sealing ring 14, so that the end face of the driving member 3 fits the waterproof sealing ring 14 to a great extent, reduces the gap between the two, improves the sealing reliability, and can strengthen the waterproof sealing of the driving member 3 and the piston bracket 1, thereby avoiding structural leakage. The waterproof piston 2 structure with air pressure vibration suction function of the utility model has the characteristics of simple structure, practical function, and good waterproof performance. It has strong practicality and should be vigorously promoted.

[0036] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only used to facilitate the description of the present invention and to simplify the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0037] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0038] Unless otherwise defined, the technical or scientific terms used herein shall have the common meanings understood by persons with ordinary skills in the field to which the utility model belongs. The words "first", "second" and similar words used in the patent application specification and claims of the utility model do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as "one" or "a" do not indicate a quantity limitation, but indicate the existence of at least one.

[0039] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

Claims

1. A waterproof piston structure with air pressure vibration suction function, characterized in that: include: The piston bracket has a piston cavity, the piston cavity has a first port and a second port connected to the piston cavity, and the side of the piston bracket has a mounting position; A piston is movably disposed in the piston cavity and divides the piston cavity into a first suction area and a second suction area; A driving member, the driving member is arranged at the installation position, the output end of the driving member is inserted into the piston cavity, and is connected to the piston through an eccentric component; Wherein, a first sealing area is provided between the driving member and the mounting position, and a second sealing area and a third sealing area are provided for the pistons located in the first suction area and the second suction area; The mounting position has a groove that matches the mounting position, and a movable port connected to the piston cavity is arranged in the groove. The first sealing area is arranged at the movable port. The first sealing area is provided with an arc-shaped depression formed on the edge of the movable port and a waterproof sealing ring arranged in the arc-shaped depression. The output end of the driving member passes through the movable port, and the end face of the driving member inserted into the groove contacts the waterproof sealing ring.

2. The waterproof piston structure with air pressure vibration suction function according to claim 1, characterized in that: The eccentric assembly comprises an eccentric rod connected to the output end of the driving member and a swing rod having one end connected to the eccentric rod and the other end connected to the piston.

3. The waterproof piston structure with air pressure vibration suction function according to claim 2, characterized in that: The rocker arm includes a connecting portion and pulling portions symmetrically arranged on both sides of the connecting portion. The connecting portion is provided with a connecting hole connected to the eccentric rod. The two pulling portions are axially arranged along the connecting hole, and the pulling portion gradually tilts outward from the pulling portion to the end. The end of the pulling portion is provided with a convex portion connected to the piston.

4. The waterproof piston structure with air pressure vibration suction function according to claim 3, characterized in that: A connecting cavity is provided in the middle of the piston, and the piston has a connecting port for the two pulling parts to pass through the inside of the connecting cavity. The port edge of the connecting port is symmetrically provided with inclined ports gradually inclined toward the connecting cavity, and the opposite side walls of the connecting cavity are provided with through holes that penetrate the connecting cavity and are connected to the convex part. The bottom surface of the connecting cavity is provided with an arc-shaped convex block for propping up the two pulling parts.

5. The waterproof piston structure with air pressure vibration suction function according to claim 1, characterized in that: The second sealing area and the third sealing area are symmetrically arranged on the upper and lower sides of the piston. The second sealing area and the third sealing area include an annular groove arranged on the side wall of the piston and a first sealing ring arranged on the annular groove and having an end face in contact with the piston cavity.

6. The waterproof piston structure with air pressure vibration suction function according to claim 1, characterized in that: A first annular insertion groove is arranged at the edge of the first opening, a second sealing ring is arranged in the first annular insertion groove, a first waterproof cover is plugged into the first annular insertion groove, and the second opening is an air outlet.

7. The waterproof piston structure with air pressure vibration suction function according to claim 1, characterized in that: A second annular insertion groove is provided at the edge of the first trip port, a third sealing ring is provided in the second annular insertion groove, and a second waterproof cover is plugged into the second annular insertion groove; a third annular insertion groove is provided at the edge of the second trip port, a fourth sealing ring is provided in the third annular insertion groove, and a first suction cover is plugged into the third annular insertion groove, a first air outlet connector is provided on the first suction cover, and the first air outlet connector is connected to the air pipe.

8. The waterproof piston structure with air pressure vibration suction function according to claim 1, characterized in that: A fourth annular insertion groove is provided at the edge of the first trip port, a fifth sealing ring is provided in the fourth annular insertion groove, a second suction cover is plugged into the fourth annular insertion groove, and a second air outlet connector is provided on the second suction cover; a fifth annular insertion groove is provided at the edge of the second trip port, a sixth sealing ring is provided in the fifth annular insertion groove, a third suction cover is plugged into the fifth annular insertion groove, and a third air outlet connector is provided on the third suction cover; the second air outlet connector and the third air outlet connector are respectively connected to the air pipe.

9. The waterproof piston structure with air pressure vibration suction function according to claim 1, characterized in that: The driving part adopts a motor.

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