Water pump and oral irrigator

Abstract

The utility model discloses a water pump and an oral irrigator, and relates to the technical field of water pumps. The pump body is provided with a water inlet channel and a water outlet channel, the water inlet channel is provided with a first opening, and the water outlet channel is provided with a second opening; an adjusting cavity is defined by the elastic adjusting part and the pump body, the elastic adjusting part is provided with a first side and a second side which are oppositely arranged, and the first opening and the second opening are located in the first side of the elastic adjusting part and communicate with the adjusting cavity; the driving assembly is in driving connection with the second side of the elastic adjusting part; the technical scheme provided by the utility model has the technical effects that the elastic adjusting piece does not move relative to the pump body in the process of reciprocating on the second side of the elastic adjusting piece, so that the problem that the water pump is damaged in the long-term use process between the elastic adjusting piece and the pump body can be effectively avoided, and the service life of the water pump is further prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to water pump technical field especially relates to a water pump and oral irrigator. BACKGROUND

[0002] The plunger pump used by oral irrigator is the mechanical device that reciprocating motion of plunger in pump body is used to realize water absorption and pumping, and is used in large quantities in oral irrigator, floor washing machine, dish washer and other products.

[0003] However, the water pump of plunger type realizes water supply function through driving plunger reciprocating motion relative to pump body, and the sealing performance of this sealing mode is poor and can easily cause wear of pump body, which can easily affect the service life of water pump in long-term use. SUMMARY

[0004] The main purpose of the utility model is to provide a water pump and oral irrigator, which aims at improving the service life of water pump.

[0005] To achieve the above-mentioned purpose, the water pump provided by the utility model comprises an outer shell, a pump body arranged in the outer shell, a water inlet channel and a water outlet channel of the pump body, a first opening of the water inlet channel, a second opening of the water outlet channel, an elastic adjusting part arranged in the outer shell, an adjusting cavity formed by the elastic adjusting part and the pump body, a first side and a second side of the elastic adjusting part, the first opening and the second opening located on the first side of the elastic adjusting part and respectively communicated with the adjusting cavity, and a driving assembly arranged in the outer shell, the driving assembly and the second side of the elastic adjusting part are drivingly connected, and the driving assembly is used for driving the second side of the elastic adjusting part to reciprocate along the direction from the first side to the second side.

[0006] In an embodiment, the elastic adjusting part has a deformation part, the deformation part has the adjusting cavity, the second side of the elastic adjusting part is located on the side of the deformation part away from the pump body, and the deformation part is used for reciprocating along the direction from the first side to the second side under the driving of the driving assembly.

[0007] In an embodiment, the water pump further comprises a connecting shell, the connecting shell is connected with the pump body, one side of the connecting shell close to the pump body has a groove, the elastic adjusting part has a clamping part, the clamping part is located on the first side of the elastic adjusting part, the clamping part is connected with the deformation part, the clamping part is clamped in the groove, so that the elastic adjusting part is arranged in the connecting shell.

[0008] In an embodiment, the water pump further comprises a mounting plate, the mounting plate is located between the elastic adjusting member and the pump body, the mounting plate has a first water outlet hole communicating the water inlet channel and the adjusting cavity and a second water outlet hole communicating the water outlet channel and the adjusting cavity, the first water outlet hole and the second water outlet hole are arranged in a first direction.

[0009] In an embodiment, the water pump further comprises a one-way valve assembly, the one-way valve assembly comprises a first one-way valve assembly and a second one-way valve assembly, the first one-way valve assembly is movably arranged in the water inlet channel, the first one-way valve assembly is used for sealing the water inlet channel, the second one-way valve assembly is movably arranged in the water outlet channel, the second one-way valve assembly is used for sealing the second opening.

[0010] In an embodiment, the first one-way valve assembly comprises a first elastic member and a first one-way valve, the mounting plate is provided with a first connecting portion, two ends of the first elastic member are in elastic abutment with the first one-way valve and the first connecting portion respectively, the first one-way valve is connected with the first connecting portion, the first elastic member is used for providing a pushing force to the first one-way valve to continuously close the water inlet channel, so as to limit the first one-way valve to open the water inlet channel.

[0011] The second one-way valve assembly comprises a second elastic member and a second one-way valve, a second connecting portion is arranged on a side of the pump body close to the water outlet channel, two ends of the second elastic member are in elastic abutment with the second one-way valve and the second connecting portion respectively, the second one-way valve is connected with the second connecting portion, the second connecting portion is located in the water outlet channel, the second elastic member is used for providing a pushing force to the second one-way valve to continuously close the water outlet channel, so as to limit the second one-way valve to open the water outlet channel.

[0012] In an embodiment, the first one-way valve has a plurality of first through holes, the plurality of first through holes are arranged around the circumference of the first one-way valve, the plurality of first through holes are used for communicating the water inlet channel and the first water outlet hole; the second one-way valve has a plurality of second through holes, the plurality of second through holes are arranged around the circumference of the second one-way valve, the plurality of second through holes are used for communicating the second water outlet hole and the water outlet end of the water outlet channel.

[0013] In an embodiment, the first one-way valve has a first spacing with the inner side wall of the water inlet channel, the first spacing is used for communicating the water inlet channel and the first water outlet hole;

[0014] The second one-way valve has a second spacing with the inner side wall of the water outlet channel, the second spacing is used for communicating the second water outlet hole and the water outlet end of the water outlet channel.

[0015] In an embodiment, the water pump further comprises a sealing element between the mounting plate and the pump body, the sealing element having a first water passage and a second water passage, the water inlet channel, the first water passage, the first water outlet and the adjusting cavity being sequentially communicated, and the adjusting cavity, the second water outlet, the second water passage and the water outlet channel being sequentially communicated.

[0016] The utility model provides a water pick, including the water pump of any one of above-mentioned embodiment.

[0017] The utility model discloses a technical scheme that the first opening and the second opening are located at the same side of the elastic adjusting part and are communicated with the adjusting cavity, the adjusting cavity is formed by the elastic adjusting part and the pump body, and the sealing performance of the pump body and the elastic adjusting part is improved. The elastic adjusting part does not move relative to the pump body during reciprocating movement at the second side, which can effectively avoid the problem of water pump damage between the elastic adjusting part and the pump body during long-term use, and improve the service life of the water pump. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained from the structures shown in the drawings without creative labor for those skilled in the art.

[0019] Figure 1 The utility model provides a structural schematic diagram of water pump one embodiment;

[0020] Figure 2 The utility model provides an exploded structural schematic diagram of water pump one embodiment;

[0021] Figure 3 The utility model provides a structural section view of pump body, one-way valve assembly, elastic adjusting part in water pump one embodiment;

[0022] Figure 4 The utility model provides a structural section view of pump body, one-way valve assembly, elastic adjusting part in another embodiment of water pump;

[0023] Figure 5 The utility model provides a structural schematic diagram of pump body, mounting plate, sealing element, first one-way valve and second one-way valve in water pump one embodiment;

[0024] Figure 6 The utility model provides a structural schematic diagram of pump body, mounting plate, sealing element, first one-way valve and second one-way valve in another embodiment of water pump;

[0025] Figure 7 The structure diagram of the mounting plate in one embodiment of the water pump provided by the utility model.

[0026] Explanation of the reference signs:

[0027] 1, shell; 2, pump body; 21, water inlet channel; 211, first opening; 22, water outlet channel; 221, second opening; 23, second connecting part; 3, elastic adjusting part; 31, adjusting cavity; 32, first side; 33, second side; 34, deformation part; 35, clamping part; 4, driving assembly; 41, driver; 42, eccentric wheel; 43, connecting rod; 5, connecting shell; 51, groove; 6, mounting plate; 61, first water outlet hole; 62, second water outlet hole; 63, first connecting part; 7, first one-way valve assembly; 71, first elastic part; 72, first one-way valve; 721, first through hole; 722, first spacing; 8, second one-way valve assembly; 81, second elastic part; 82, second one-way valve; 821, second through hole; 822, second spacing; 9, plunger; 91, sealing part; 911, first water passing hole; 912, second water passing hole.

[0028] The realization, functional features and advantages of the utility model will be further described in combination with embodiments and with reference to the drawings. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0030] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture, and if the specific posture changes, the directional indications will also change accordingly.

[0031] In addition, if the description of "first", "second" and the like is involved in the embodiments of the utility model, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one feature. In addition, if "and / or" or "and / or" appears throughout the text, it means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0032] The utility model provides a water pump.

[0033] Please refer to Figures 1 to 4 In an embodiment of the utility model, the water pump comprises a shell 1, a pump body 2, an elastic adjusting part 3 and a driving assembly 4;The pump body 2 is arranged in the shell 1, the pump body 2 has water inlet channel 21 and water outlet channel 22, the water inlet channel 21 has first opening 211, the water outlet channel 22 has second opening 221;

[0034] The elastic adjusting part 3 is arranged in the shell 1, the elastic adjusting part 3 and the pump body 2 are enclosed to form adjusting cavity 31, the elastic adjusting part 3 has oppositely arranged first side 32 and second side 33, the first opening 211 and the second opening 221 are located at the first side 32 of the elastic adjusting part 3 and are communicated with the adjusting cavity 31 respectively, and the driving assembly 4 is arranged in the shell 1, the driving assembly 4 is drivingly connected with the second side 33 of the elastic adjusting part 3, and the driving assembly 4 is used to drive the second side 33 of the elastic adjusting part 3 reciprocating movement along the direction of the first side 32 towards the second side 33.

[0035] The technical scheme of the utility model improves the sealing performance of the pump body 2 and the elastic adjusting part 3 by arranging the first opening 211 and the second opening 221 on the same side of the elastic adjusting part 3 and communicating with the adjusting cavity 31, and further arranging the adjusting cavity 31 enclosed by the elastic adjusting part 3 and the pump body 2. The elastic adjusting part 3 does not move relative to the pump body 2 during the reciprocating movement of the second side 33, thereby effectively avoiding the problem of water pump damage between the elastic adjusting part 3 and the pump body 2 during long-term use, thereby improving the service life of the water pump.

[0036] In the embodiment, the shell 1 is used for mounting the pump body 2, the elastic adjusting member 3, the driving assembly 4 and other components. The pump body 2 has the water inlet channel 21 and the water outlet channel 22 which are arranged at intervals. The water inlet channel 21 has the first opening 211 and the water inlet port which are communicated with each other. The water inlet channel 21 is communicated with the adjusting cavity 31 through the first opening 211. The water inlet channel 21 is communicated with the external water source through the water inlet port, so that the water is more conveniently drawn into the pump body 2. The water outlet channel 22 has the second opening 221 and the water outlet port which are communicated with each other. The water outlet channel 22 is communicated with the adjusting cavity 31 through the second opening 221. The water outlet channel 22 pumps out the water through the water outlet port, so that the water is more conveniently pumped out from the pump body 2. It should be noted that the first opening 211 can be the water outlet port of the water inlet channel 21, and the second opening 221 can be the water inlet port of the water outlet channel 22. The elastic adjusting member 3 and the pump body 2 enclose the adjusting cavity 31. The elastic adjusting member 3 has the first side 32 and the second side 33 which are arranged oppositely. The first side 32 of the elastic adjusting member 3 can be sealingly connected with the pump body 2 at the edge. The first side 32 of the elastic adjusting member 3 has the third opening which is used for communicating the first opening 211, the second opening 221 and the adjusting cavity 31. The elastic adjusting member 3 and the pump body 2 only need to be sealingly connected at one position, so that the sealing performance between the elastic adjusting member 3 and the pump body 2 is ensured and the structure of the water pump is further simplified. The first opening 211 and the second opening 221 are arranged on the first side 32 of the elastic adjusting member 3 and communicated with the adjusting cavity 31, so that the water is more conveniently flowed from the first opening 211, the adjusting cavity 31 and the second opening 221 to the water outlet channel 22. Under the driving of the driving assembly 4, the first side 32 of the elastic adjusting member 3 is fixed relative to the pump body 2. The second side 33 of the elastic adjusting member 3 reciprocates along the direction from the first side 32 to the second side 33, so that the abrasion of the elastic adjusting member 3 relative to the pump body 2 is avoided, and the service life of the pump body 2 is improved. Under the reciprocation of the second side 33 of the elastic adjusting member 3, the volume of the adjusting cavity 31 is periodically adjusted, so that the water inlet channel 21 and the adjusting cavity 31 are periodically switched between the negative pressure state and the normal pressure state. The water is sequentially pumped out from the first opening 211, the adjusting cavity 31, the second opening 221 and the water outlet channel 22 under the action of the atmospheric pressure.

[0037] As shown in Figure 3 and Figure 4 , the elastic adjusting member 3 has the deformation part 34 which has the adjusting cavity 31. The second side 33 of the elastic adjusting member 3 is located on the side of the deformation part 34 which is away from the pump body 2. The deformation part 34 is used for reciprocating along the direction from the first side 32 to the second side 33 under the driving of the driving assembly 4.

[0038] In the embodiment, the elastic adjusting member 3 can be provided as a cover structure in a bowl shape. The elastic adjusting member 3 is provided with a deformation portion 34 which is elastic and can be stretched and pressed under the action of an external force. The deformation portion 34 of the elastic adjusting member 3 is stretched or pressed under the driving of the driving assembly 4, and the volume of the adjusting cavity 31 is adjusted periodically. The second side 33 of the elastic adjusting member 3 is located on the side of the deformation portion 34 away from the pump body 2, so that the driving assembly 4 is more convenient to drive the deformation portion 34. In order to make the driving assembly 4 drive the deformation portion 34 to reciprocate more stably, the elastic adjusting member 3 can have a mounting portion (not shown) connected with the deformation portion 34. The mounting portion is arranged on the second side 33 of the elastic adjusting member 3, and the driving assembly 4 is connected with the deformation portion 34 through the mounting portion.

[0039] As shown in Figures 1 to 4 , the water pump further comprises a connecting shell 5 connected with the pump body 2. The connecting shell 5 is provided with a groove 51 on the side close to the pump body 2. The elastic adjusting member 3 is provided with a clamping portion 35 located on the first side 32 of the elastic adjusting member 3. The clamping portion 35 is connected with the deformation portion 34 and clamped in the groove 51, so that the elastic adjusting member 3 is arranged in the connecting shell 5.

[0040] In the embodiment, the connecting shell 5 is arranged to wrap the part of the pump body 2 close to the elastic adjusting member 3 and the elastic adjusting member 3, so that the first side 32 of the elastic adjusting member 3 is sealingly connected with the pump body 2, thereby improving the sealing performance of the pump body 2 and the elastic adjusting member 3. The clamping portion 35 is arranged on the first side 32 of the elastic adjusting member 3 and connected with the deformation portion 34, so that the connection between the elastic adjusting member 3 and the connecting shell 5 does not affect the stretching or pressing of the deformation portion 34. The clamping portion 35 is clamped in the groove 51, thereby improving the stability of the connection between the elastic adjusting member 3 and the connecting shell 5.

[0041] As shown in Figures 5 to 7 , the water pump further comprises a mounting plate 6 arranged between the elastic adjusting member 3 and the pump body 2. The mounting plate 6 is provided with a first water outlet hole 61 communicating with the water inlet channel 21 and the adjusting cavity 31, and a second water outlet hole 62 communicating with the water outlet channel 22 and the adjusting cavity 31. The first water outlet hole 61 and the second water outlet hole 62 are arranged in a first direction.

[0042] In the embodiment, the mounting plate 6 is arranged between the elastic adjusting member 3 and the pump body 2, the first water outlet hole 61 and the second water outlet hole 62 are arranged on the mounting plate 6, and the water inlet channel 21 and the water outlet channel 22 are communicated with the adjusting cavity 31 through the first water outlet hole 61 and the second water outlet hole 62, respectively. The clamping portion 35 of the elastic adjusting member 3 abuts against the mounting plate 6 away from the groove 51, so that the elastic adjusting member 3 is more stably fixed between the mounting plate 6 and the connecting shell 5.

[0043] As shown in Figures 2 to 4 The water pump further comprises a one-way valve assembly, the one-way valve assembly comprises a first one-way valve assembly 7 and a second one-way valve assembly 8, the first one-way valve assembly 7 is movably arranged in the water inlet channel 21, and the first one-way valve assembly 7 is used for sealing the water inlet channel 21, the second one-way valve assembly 8 is movably arranged in the water outlet channel 22, and the second one-way valve assembly 8 is used for sealing the second opening 221.

[0044] In the embodiment, the first one-way valve assembly 7 is movably arranged in the water inlet channel 21, the first one-way valve assembly 7 opens or closes the water inlet channel 21, thereby controlling the water flow in the water inlet channel 21, and water is periodically drawn into the adjusting cavity 31. The second one-way valve assembly 8 is movably arranged in the water outlet channel 22, the second one-way valve assembly 8 opens or closes the water outlet channel 22, thereby controlling the water flow in the water outlet channel 22, and water is periodically pumped out of the water pump.

[0045] As shown in Figures 3 to 6 The first one-way valve assembly 7 comprises a first elastic member 71 and a first one-way valve 72, the mounting plate 6 is provided with a first connecting portion 63, the two ends of the first elastic member 71 are elastically abutted against the first one-way valve 72 and the first connecting portion 63, respectively, the first one-way valve 72 is connected to the first connecting portion 63, and the first elastic member 71 is used for providing a continuous closing force to the first one-way valve 72 to limit the first one-way valve 72 from opening the water inlet channel 21.

[0046] The second one-way valve assembly 8 comprises a second elastic member 81 and a second one-way valve 82, the pump body 2 is provided with a second connecting portion 23 on the side close to the water outlet channel 22, the two ends of the second elastic member 81 are elastically abutted against the second one-way valve 82 and the second connecting portion 23, respectively, the second one-way valve 82 is connected to the second connecting portion 23, the second connecting portion 23 is located in the water outlet channel 22, and the second elastic member 81 is used for providing a continuous closing force to the second one-way valve 82 to limit the second one-way valve 81 from opening the water outlet channel 22.

[0047] In the embodiment, the first one-way valve 72 is configured to restrict water to flow in the direction from the water inlet channel 21 to the adjusting cavity 31, and the second one-way valve 82 is configured to restrict water to flow in the direction from the adjusting cavity 31 to the water outlet channel 22. When the elastic adjusting member 3 is in motion, the water inlet channel 21 and the adjusting cavity 31 are in a state of negative pressure, water is drawn into the pump body 2 and pushes the first one-way valve 72 to compress the first elastic member 71, so that the first one-way valve 72 opens the water inlet channel 21. When the elastic adjusting member 3 stops moving, the first elastic member 71 elastically recovers and drives the first one-way valve 72 to reset, thereby causing the first one-way valve 72 to close the water inlet channel 21. When the water in the adjusting cavity 31 flows towards the water outlet channel 22, the water pushes the second one-way valve 82 to compress the second elastic member 81, so that the second one-way valve 82 opens the water outlet channel 22; when the water in the adjusting cavity 31 stops flowing to the water outlet channel 22, the second elastic member 81 elastically recovers and drives the second one-way valve 82 to reset, thereby causing the second one-way valve 82 to close the water outlet channel 22.

[0048] In the embodiment, the first elastic member 71 can be a spring, and the two ends of the first elastic member 71 are in elastic abutment with the first one-way valve 72 and the first connecting portion 63 respectively, so that the first one-way valve 72 is more convenient to move reciprocally in the water inlet channel 21. The second elastic member 81 can be a spring, and the two ends of the second elastic member 81 are in elastic abutment with the second one-way valve 82 and the second connecting portion 23 respectively, so that the second one-way valve 82 is more convenient to move reciprocally in the water outlet channel 22.

[0049] As shown in Figure 3 The first one-way valve 72 has a plurality of first through holes 721, the plurality of first through holes 721 are arranged circumferentially around the first one-way valve 72, and the plurality of first through holes 721 are configured to communicate the water inlet channel 21 and the first water outlet hole 61.

[0050] The second one-way valve 82 has a plurality of second through holes 821, the plurality of second through holes 821 are arranged circumferentially around the second one-way valve 82, and the plurality of second through holes 821 are configured to communicate the second water outlet hole 62 and the water outlet end of the water outlet channel 22.

[0051] In the embodiment, the first one-way valve 72 is arranged around the circumference of the first water inlet channel 21, and the water inlet channel 21 is in an open state, water enters the water inlet channel 21 and flows into the adjusting cavity 31 through the plurality of first through holes 721 and the plurality of first water outlet holes 61. In order to improve the flow efficiency of water flowing from the water inlet channel 21 to the adjusting cavity 31, the plurality of first through holes 721 and the plurality of first water outlet holes 61 are arranged in one-to-one alignment along the direction from the first side 32 to the second side 33. The second one-way valve 82 is arranged around the circumference of the second water outlet channel 22, and the second water outlet channel 22 is in an open state, water enters the second water outlet channel 22 and is delivered out of the water pump through the plurality of second through holes 821.

[0052] As shown in Figure 4 , the first one-way valve 72 has a first spacing 722 with the inner side wall of the water inlet channel 21, and the first spacing 722 is used to connect the water inlet channel 21 and the first water outlet hole 61;

[0053] The second one-way valve 82 has a second spacing 822 with the inner side wall of the second water outlet channel 22, and the second spacing 822 is used to connect the second water outlet hole 62 and the water outlet end of the second water outlet channel 22.

[0054] In the embodiment, the first one-way valve 72 has a first spacing 722 with the inner side wall of the water inlet channel 21, so that the first one-way valve 72 can adopt a smaller type of one-way valve without affecting the sealing of the water inlet channel 21, thereby reducing the production cost of the water pump. The water inlet channel 21 is in an open state, water enters the water inlet channel 21 and flows into the adjusting cavity 31 through the first spacing 722 and the plurality of first water outlet holes 61 by using the first spacing 722 to connect the water inlet channel 21 and the first water outlet hole 61. The second one-way valve 82 has a second spacing 822 with the inner side wall of the second water outlet channel 22, so that the second one-way valve 82 can adopt a smaller type of one-way valve without affecting the sealing of the second water outlet channel 22, thereby reducing the production cost of the water pump. The second water outlet channel 22 is in an open state, water enters the second water outlet channel 22 and is delivered out of the water pump through the second spacing 822 by using the second spacing 822 to connect the water outlet end of the second water outlet channel 22 and the second water outlet hole 62.

[0055] As shown in Figure 4 and Figure 5As shown, the water pump further comprises a sealing member 91 located between the mounting plate 6 and the pump body 2, the sealing member 91 has a first water passing hole 911 and a second water passing hole 912, the water inlet channel 21, the first water passing hole 911, the first water outlet hole 61 and the adjusting cavity 31 are sequentially communicated, the adjusting cavity 31, the second water outlet hole 62, the second water passing hole 912 and the water outlet channel 22 are sequentially communicated.

[0056] In the embodiment, in order to further improve the sealing between the mounting plate 6 and the pump body 2, the sealing member 91 is installed between the mounting plate 6 and the pump body 2, and the sealing of the water inlet channel 21 and the water outlet channel 22 with the mounting plate 6 is further improved. The sealing member 91 can have the first water passing hole 911, the mounting plate 6 can have the first water outlet hole 61, by adopting the sequential communication of the water inlet channel 21, the first water passing hole 911, the first water outlet hole 61 and the adjusting cavity 31, the water source outside is more convenient to be transported from the water inlet channel 21 to the adjusting cavity 31. The sealing member 91 can have the second water passing hole 912, the mounting plate 6 can have the second water outlet hole 62, by adopting the sequential communication of the adjusting cavity 31, the second water outlet hole 62, the second water passing hole 912 and the water outlet channel 22, the water in the adjusting cavity 31 is more convenient to be pumped out of the water pump from the adjusting cavity 31 through the water outlet channel 22.

[0057] As shown in the figure, Figure 1 The water pump further comprises a plunger 9, the driving assembly 4 comprises a driver 41, an eccentric wheel 42 and a connecting rod 43, the driving end of the driver 41 is drivingly connected with the eccentric wheel 42, the eccentric wheel 42 is drivingly connected with the connecting rod 43, and the side of the elastic adjusting member 3 away from the adjusting cavity 31 is connected with the connecting rod 43 through the plunger 9.

[0058] In the embodiment, the eccentric wheel 42 can be engaged with the gear of the output shaft of the driver 41, the eccentric wheel 42 and the gear of the output shaft of the driver 41 can adopt high-strength materials such as nylon, PEEK and PPS, thereby prolonging the service life of the eccentric wheel 42 and the gear of the driving end of the driver 41, and reducing the noise generated when the driving assembly 4 operates. The working process of the driving assembly 4 is as follows: the driver 41 drives the eccentric wheel 42 to rotate, thereby driving the connecting rod 43 to rotate, the plunger 9 is driven by the connecting rod 43 to perform reciprocating extension and contraction, thereby stretching or extruding the elastic adjusting member 3, the volume of the adjusting cavity 31 is periodically changed, and the water is periodically pumped outwards through the limitation of the one-way valve assembly.

[0059] In the embodiment, the driver 41 can adopt a motor or an electric motor, the rotational speed of the driver 41 is adjusted to adjust the amplitude of the volume change of the adjusting cavity 31, thereby adjusting the instantaneous water pressure when the water pump pumps water.

[0060] The utility model discloses still propose a kind of oral irrigator, the oral irrigator includes water pump, the specific structure of the water pump refers to above-mentioned embodiment, since the oral irrigator has adopted all technical solutions of above-mentioned all embodiments, at least have all beneficial effects brought by the technical scheme of above-mentioned embodiment, here no longer one by one elaboration.

[0061] The above-mentioned is only the exemplary embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation made by using the utility model specification and the contents of the drawings, or direct / indirect application in other related technical fields are included in the patent protection range of the utility model.

Claims

1. A water pump characterized by comprising: The water pump comprises: a housing; a pump body arranged in the housing, the pump body having a water inlet channel and a water outlet channel, the water inlet channel having a first opening, and the water outlet channel having a second opening; a resilient adjusting member arranged in the housing, the resilient adjusting member and the pump body defining an adjusting cavity, the resilient adjusting member having a first side and a second side arranged oppositely, the first opening and the second opening being located on the first side of the resilient adjusting member and being in communication with the adjusting cavity respectively; and a driving assembly arranged in the housing, the driving assembly being in driving connection with the second side of the resilient adjusting member, the driving assembly being used to drive the second side of the resilient adjusting member to reciprocate along a direction from the first side towards the second side. The resilient adjusting member has a deformation portion, the deformation portion having the adjusting cavity, the second side of the resilient adjusting member being located on a side of the deformation portion away from the pump body, and the deformation portion being used to reciprocate along a direction from the first side towards the second side under the driving of the driving assembly.

2. The water pump of claim 1, wherein The water pump further comprises a connecting housing, the connecting housing being connected with the pump body, the connecting housing being provided with a groove on a side close to the pump body, the resilient adjusting member being provided with a clamping portion, the clamping portion being located on the first side of the resilient adjusting member, the clamping portion being connected with the deformation portion, and the clamping portion being clamped in the groove, so that the resilient adjusting member is arranged in the connecting housing.

3. The water pump of claim 2, wherein The water pump further comprises a mounting plate, the mounting plate being located between the resilient adjusting member and the pump body, the mounting plate being provided with a first water outlet hole in communication with the water inlet channel and the adjusting cavity, and a second water outlet hole in communication with the water outlet channel and the adjusting cavity, the first water outlet hole and the second water outlet hole being arranged in a first direction.

4. The water pump of claim 3, wherein The water pump further comprises a one-way valve assembly, the one-way valve assembly comprising a first one-way valve assembly and a second one-way valve assembly, the first one-way valve assembly being movably arranged in the water inlet channel, the first one-way valve assembly being used to seal the water inlet channel, and the second one-way valve assembly being movably arranged in the water outlet channel, the second one-way valve assembly being used to seal the second opening.

5. The water pump of claim 4, wherein The first one-way valve assembly comprises a first resilient member and a first one-way valve, the mounting plate being provided with a first connecting portion, two ends of the first resilient member being in elastic abutment with the first one-way valve and the first connecting portion respectively, the first one-way valve being connected with the first connecting portion, and the first resilient member being used to provide a pushing force to the first one-way valve to continuously close the water inlet channel, so as to limit the first one-way valve to open the water inlet channel; 6. The water pump of claim 5, wherein The second one-way valve assembly comprises a second resilient member and a second one-way valve, a second connecting portion being arranged on a side of the pump body close to the water outlet channel, two ends of the second resilient member being in elastic abutment with the second one-way valve and the second connecting portion respectively, the second one-way valve being connected with the second connecting portion, the second connecting portion being located in the water outlet channel, and the second resilient member being used to provide a pushing force to the second one-way valve to continuously close the water outlet channel, so as to limit the second one-way valve to open the water outlet channel. ​ 7. The water pump of claim 6, wherein The first one-way valve has a plurality of first through holes arranged around the circumference of the first one-way valve, and the plurality of first through holes are used for connecting the water inlet channel and the first water outlet hole; The second one-way valve has a plurality of second through holes arranged around the circumference of the second one-way valve, and the plurality of second through holes are used for connecting the second water outlet hole and the water outlet end of the water outlet channel.

8. The water pump of claim 6, wherein The first one-way valve and the inner side wall of the water inlet channel have a first spacing, and the first spacing is used for connecting the water inlet channel and the first water outlet hole; The second one-way valve and the inner side wall of the water outlet channel have a second spacing, and the second spacing is used for connecting the second water outlet hole and the water outlet end of the water outlet channel.

9. The water pump of claim 7 wherein, The water pump further comprises a sealing member between the mounting plate and the pump body, the sealing member has a first water passing hole and a second water passing hole, the water inlet channel, the first water passing hole, the first water outlet hole and the adjusting cavity are sequentially connected, and the adjusting cavity, the second water outlet hole, the second water passing hole and the water outlet channel are sequentially connected.

10. An oral irrigator characterized by, The water pump comprises the water pump according to any one of claims 1 to 9.

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