CN214837072U - Valve seat and high-efficiency fluid pump - Google Patents

Abstract

The utility model relates to a disk seat and high-efficient fluid pump sets up between pump cover and diaphragm, relates to the technical field of pump, and it includes the pedestal, offer the fluid inlet that is used for supplying the fluid to get into the cyst chamber on the pedestal and supply the fluid that the fluid sent out the cyst chamber to exit, the fluid is exited towards the opening formation of diaphragm one side and is supplied the fluid to enter the fluid export that the fluid was exited, just the opening area of fluid export is greater than the cross-sectional area that the fluid was exited, the pedestal is provided with the location platform towards diaphragm one side, the setting of pedestal lopsidedness is kept away from to the location platform and is inclined plane portion, the fluid is exited towards diaphragm one side and is run through the location platform and form the fluid exit. The fluid output speed increasing device has the effect of increasing the output speed of the fluid.

Description

Valve seat and high-efficiency fluid pump

Technical Field

The application relates to the technical field of pumps, in particular to a valve seat and a high-efficiency fluid pump.

Background

A fluid pump is a machine that pressurizes or delivers fluid.

Referring to fig. 1, a fluid pump includes a pump body 1 and a power portion 101, wherein the power portion 101 is disposed on the pump body 1 and is used for providing power for the pump body 1. The pump body 1 includes a pump cover 9 having an inlet pipe 901 and an outlet pipe 902, a seat body 10 of a valve seat provided in the pump cover 9, and a diaphragm 8. The base body 10 is provided with a fluid inlet hole 12 and a fluid outlet hole 11, the base body 10 is provided with a partition plate 15, the pump cover 9 and the base body 10 form an inlet cavity 13 and an outlet cavity 14 through the partition plate 15, and the inlet cavity 13 and the outlet cavity 14 are respectively communicated with an inlet pipe 901 and an outlet pipe 902; the fluid inlet 12 and the fluid outlet 11 on the seat body 10 are respectively communicated with the inlet cavity 13 and the outlet cavity 14, and the pump cover 9 is provided with a one-way valve for controlling the one-way flow of the fluid in the inlet cavity 13 and the outlet cavity 14. The diaphragm 8 is located on one side of the seat body 10 opposite to the inlet cavity 13 and the outlet cavity 14, and the side of the diaphragm 8 is attached to the seat body 10 to form a sac cavity 801 for storing fluid. The pump cover 9 is also internally provided with a swing rod 6 for controlling the diaphragm 8 to contract or relax, and the swing rod 6 is eccentrically connected to the power part 101. The fluid in the bladder cavity 801 is expelled through the fluid outlet hole 11 via the exhaust cavity 14 when the diaphragm 8 contracts; when the diaphragm 8 is relaxed, the bladder cavity 801 expands and fluid entering the cavity 13 enters the bladder cavity 801 through the fluid inlet 12. By repeating such operations, the transfer of the fluid is achieved.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: in order to ensure the strength of the seat body 10 and to enable the fluid pump to operate stably, the number and size of the fluid outlets 11 that can be formed in the seat body 10 are limited, which affects the output rate of the fluid.

SUMMERY OF THE UTILITY MODEL

In order to increase the output rate of fluid, the present application provides a valve seat and an efficient fluid pump.

The application provides a valve seat and high-efficient fluid pump adopts following technical scheme:

the utility model provides a valve seat, sets up between pump cover and diaphragm, includes the pedestal, offer the fluid inlet hole that is used for supplying fluid to get into the cyst chamber and supply the fluid that the fluid sent out the cyst chamber on the pedestal and export, the fluid exports towards the fluid export that the opening formation of diaphragm one side supplied fluid to get into the fluid and exports, just the opening area of fluid export is greater than the cross-sectional area that the fluid was exported, the pedestal is provided with the location platform towards diaphragm one side, the setting of pedestal lopsidedness is kept away from to the location platform and is inclined plane portion, the fluid is exported and is run through the location platform towards diaphragm one side and form the fluid export.

By adopting the technical scheme, when the diaphragm contracts, the fluid moves towards the fluid outlet hole under the action of pressure, the opening area of the fluid outlet hole is larger than the cross-sectional area of the fluid inlet hole, the fluid can conveniently enter the fluid outlet hole, the output rate of the fluid is favorably improved, and the output flow of the pump can meet the requirement. And the diaphragm contracts, so that when the fluid moves towards the direction of the positioning table, one side of the fluid outlet hole, which is far away from the fluid outlet hole, is in an inclined state, the size of the opening of the fluid outlet hole is increased, and the output quantity of the fluid is further improved.

Optionally, the opening direction of the fluid outlet is opposite to the direction in which the swing rod extrudes the diaphragm.

By adopting the technical scheme, when the diaphragm contracts, the fluid moves towards the fluid outlet, and the fluid outlet are in a vertical state, so that the fluid can vertically and directly enter the fluid opening, and the output rate of the fluid is favorably improved.

Optionally, the inclination angle of the inclined plane part is 3-9 degrees.

Through adopting above-mentioned technical scheme, during operation location platform slope mesa can adapt to with the diaphragm for when the diaphragm got into the complete extrusion state, the diaphragm can laminate on location platform slope side mesa, with the fluid complete discharge in the bag intracavity, reduce the waste of bag intracavity space in order to raise the efficiency.

Optionally, the inclined plane part is provided with an inward concave arc structure.

Through adopting above-mentioned technical scheme, when the diaphragm contracts, the fluid impact of intracavitary on the pedestal, the arc structure of indent plays the effect of gathering together to the fluid this moment, further assists the pressure that strengthens the fluid.

Optionally, the base body is provided with a fixture block which is matched with the pump body to clamp the diaphragm.

Through adopting above-mentioned technical scheme, through chucking diaphragm, reduce the diaphragm and appear the displacement, rock the possibility, be favorable to promoting the stability when diaphragm shrink, diastole.

An efficient fluid pump comprises the seat body.

By adopting the technical scheme, the base body of the fluid pump is provided with the fluid outlet with the opening larger than the cross section area of the fluid outlet, so that the fluid can conveniently enter the fluid outlet, and the output rate of the fluid can be increased when the fluid pump works.

Optionally, still include the pump body, the pump body is provided with pump cover and base, the pedestal is located between pump cover and the diaphragm, the base is located keeps away from pedestal and keeps away from pump cover one side, the pump body is provided with the mounting that is used for unable adjustment base and pump cover, the mounting is the buckle, the buckle includes connecting portion and sets up at connecting portion both ends and towards the joint portion that heels the slope extension in opposite directions, pump cover and base are provided with the draw-in groove that is used for supplying joint portion joint respectively.

Through adopting above-mentioned technical scheme, two joint portions of buckle joint respectively in the draw-in groove during the installation, two joint portion cooperations press from both sides base, pump seat, pedestal and pump cover tightly, realize fixedly.

Optionally, the pump body is provided with a diaphragm which is matched with the seat body to form a sac cavity, and the thickness of the diaphragm is 0.6-0.9 mm.

By adopting the technical scheme, the thickness of the diaphragm is 0.6-0.9 mm, the hardness of the diaphragm is improved to a certain extent, the bearing capacity of the diaphragm on fluid reaction force during contraction is improved, the possibility of expansion of the diaphragm is reduced, the wear resistance of the diaphragm can be improved, the service life of the diaphragm is prolonged, and the diaphragm is not easy to wear.

In summary, the present application includes at least one of the following benefits:

1. the size of the opening for the fluid to enter the fluid outlet is increased, so that the fluid can easily enter the fluid outlet, and the output rate of the fluid is improved;

2. the opening direction of the fluid outlet is opposite to the direction of the diaphragm extruded by the swing rod, and when the diaphragm contracts, the fluid and the fluid outlet are vertical to each other, so that the fluid can vertically enter the fluid outlet hole, and the output quantity of the fluid is improved;

3. the hardness of the diaphragm is improved, and the diaphragm is not easy to expand under the action of reverse pressure when the fluid is extruded, so that the fluid is more stably conveyed.

Drawings

FIG. 1 is a schematic cross-sectional view of a related art fluid pump;

FIG. 2 is a schematic view of a seat mounting structure embodied in an embodiment of the valve seat of the present application;

FIG. 3 is an exploded view of the seat embodiment of the present application in the installed position;

FIG. 4 is a schematic view of an internal cross-section of a seat structure embodying embodiments of the present invention;

FIG. 5 is a schematic diagram of an embodiment of the high efficiency fluid pump embodying the present application with external structures;

FIG. 6 is a schematic cross-sectional view of an embodiment of the high efficiency fluid pump embodying the present invention with internal structure;

fig. 7 is an exploded view of an embodiment of the high efficiency fluid pump embodying the present invention with internal structure.

Reference numerals: 1. a pump body; 101. a power section; 2. a motor; 201. an eccentric wheel; 3. a base; 4. a pump mount; 401. a drive chamber; 5. a transmission rod; 6. a swing rod; 7. a drive section; 8. a diaphragm; 801. a capsule cavity; 9. a pump cover; 901. an inlet pipe; 902. a discharge pipe; 10. a base body; 11. a fluid outlet; 111. a fluid outlet; 12. a fluid inlet; 13. entering the cavity; 14. a discharge chamber; 15. a partition plate; 16. a first check valve; 17. a second one-way valve; 18. a clamping block; 19. a positioning table; 191. an inclined plane part; 20. connecting grooves; 21. buckling; 211. a connecting portion; 212. a clamping part; 22. a card slot; 23. an arc-shaped bump; 24. an arc-shaped inner groove.

Detailed Description

The present application is described in further detail below with reference to figures 2-7.

The embodiment of the application discloses a valve seat.

Referring to fig. 2 and 3, the valve seat is provided with a seat body 10, and the seat body 10 is located between the pump cover 9 and the diaphragm 8 and is used for cooperating with the diaphragm 8 to realize the fluid transmission function of the pump.

Referring to fig. 3 and 4, the seat body 10 is provided with a plurality of latches 18 at positions facing one side of the diaphragm 8 and close to the edge, and the number of the latches 18 is a one-to-one correspondence with the diaphragm 8. During installation, the membrane wall of the membrane 8 is clamped and tightly abutted to the pump seat 4 through the clamping block 18, so that the clamping block 18 and the pump seat 4 are matched to clamp the membrane 8, and the possibility of deviation caused by swinging in the contraction or relaxation process of the membrane 8 is reduced.

Referring to fig. 3 and 4, the base 10 is provided with a plurality of fluid inlets 12, and each fluid inlet 12 is provided with a plurality of corresponding cavities 801 for allowing fluid to enter the cavities 801. The base 10 is provided with a plurality of sets of fluid outlets 11, and each set of fluid outlets 11 has a plurality of corresponding bladder cavities 801 for allowing fluid to leave the bladder cavities 801. The seat body 10 is provided with a plurality of fluid outlets 111 on one side facing the diaphragm 8, the fluid outlets 111 correspond to the fluid inlet holes 12 one by one, the fluid outlets 111 surround the fluid outlet hole 11 and are communicated with the fluid outlet hole, and the fluid enters the fluid outlet hole 11 through the fluid outlets 111.

Referring to fig. 3 and 4, the seat body 10 is provided with a plurality of positioning tables 19 on a side facing the diaphragm 8, the positioning tables 19 may be in a circular table-shaped structure or a square table-shaped structure, and the number of the positioning tables 19 is 2-5, preferably 3. The positioning tables 19 correspond one-to-one to the diaphragms 8, and after installation, one positioning table 19 is located in one of the pockets 801. The positioning table 19 is disposed to incline toward the table surface on one side of the diaphragm 8, the inclined table surface of the positioning table 19 is an inclined surface portion 191, and the inclined direction of the inclined surface portion 191 can extend along the direction away from the base 10 and toward the rotation center of the swing rod 6.

Referring to fig. 4, the fluid outlet 111 is located at the inclined plane portion 191 and close to the rotation center of the swing link 6, when the swing link 6 is pressed, the diaphragm 8 is pressed first to be away from one side of the rotation center of the holding pole, then the diaphragm 8 is pressed gradually towards the rotation center of the swing link 6, at this time, the fluid moves towards the seat body 10, and one side of the fluid outlet 111, which is away from the seat body 10, is inclined relative to the fluid, so that the size of the opening for the fluid to enter the fluid outlet 11 can be increased, and the output rate of the fluid is increased.

Referring to fig. 4, the inclined angle of the slope 191 may be 3-9 degrees, when the diaphragm 8 contracts, the fluid moves towards the inclined side table of the positioning table 19 under the extrusion of the diaphragm 8, and at this time, the fluid and the inclined side table of the positioning table 19 are in a mutually perpendicular state, so that the fluid can vertically enter the fluid outlet 11, which is beneficial to increasing the output rate of the fluid. At the same time, when the diaphragm 8 is fully pressed, the diaphragm 8 can be completely attached to the inclined table surface of the positioning table 19, so that the diaphragm 8 can completely discharge the fluid in the bladder 801.

Referring to fig. 4, the inclined side table surface of the positioning table 19 is provided with an arc-shaped concave structure, and when the fluid is extruded by the diaphragm 8 to move towards the seat body 10, the fluid gathers under the action of the arc-shaped concave structure, so as to further pressurize the fluid, increase the flow velocity of the fluid, and facilitate to increase the fluid output rate of the fluid outlet 11.

The implementation principle of a valve seat of this embodiment is:

when the diaphragm 8 contracts, the fluid is extruded to move towards the direction of the inclined side table surface of the positioning table 19, at the moment, the fluid outlet hole 11 is in an inclined state relative to the fluid, the size of an opening for the fluid to enter the fluid outlet hole 11 can be increased, and the fluid is perpendicular to the inclined side table surface of the positioning table 19 at the moment, so that the fluid can directly and perpendicularly enter the fluid outlet hole 11, and the output rate of the fluid is improved.

The application also discloses an efficient fluid pump.

Referring to fig. 5 and 6, an efficient fluid pump includes a seat body 10 of a valve seat for increasing a fluid output of the fluid pump. The fluid pump further comprises a pump body 1 and a motor 2, specific motor parameters of the motor 2 are selected according to data such as size and output flow of the pump body 1, the motor 2 is matched with the pump body 1, noise generated during working is reduced, power output by the motor 2 meets requirements, power waste is avoided, and current required during working is reduced. The pump body 1 is provided with base 3, pump seat 4 and pump cover 9, and motor 2 fixes in base 3 one side during the installation to drive chamber 401 has been seted up at base 3 middle part, and in motor 2's output shaft protruding drive chamber 401, pump seat 4 installed and kept away from motor 2 one side and inside hollow structure setting at base 3.

Referring to fig. 6, an eccentric wheel 201 is fixedly connected to an output shaft of the motor 2, a transmission rod 5 is eccentrically fixed to one side of the eccentric wheel 201, which is far away from the motor 2, and a swing rod 6 is eccentrically fixed to one end, which is far away from the eccentric wheel 201, of the transmission rod 5. When the motor 2 is started, the eccentric wheel 201 is driven to rotate, then the eccentric wheel 201 drives the swing rod 6 to rotate through the transmission rod 5, and meanwhile, the edge position of the swing rod 6 far away from the transmission rod 5 swings up and down repeatedly.

Referring to fig. 6 and 7, the pump body 1 is provided with a diaphragm 8, the diaphragm 8 can be made of a silicone material into a bell cup-shaped structure, one side of the opening of the diaphragm 8 faces the seat 10, and meanwhile, the side edge position of the opening of the diaphragm 8 abuts against the seat 10 to form a bag cavity 801. The diaphragm 8 is fixed with the drive portion 7 far away from pedestal 10 one side, and the drive portion 7 is rectangular columnar structure, offers the jack with drive portion 7 one-to-one on the pendulum rod 6 for supply drive portion 7 to insert, and the periphery side of drive portion 7 is provided with the drive block, and drive portion 7 and drive block can adopt the silica gel material, easy to assemble. When the swing rod mechanism works, the swing rod 6 rotates and swings upwards. The driving part 7 is driven to move upwards to realize the contraction of the diaphragm 8, and when the swing rod 6 rotates and swings downwards, the driving part 7 is driven to move downwards through the driving block to realize the relaxation of the diaphragm 8. The pressure within the bladder 801 is varied by contracting and expanding the diaphragm 8 so that fluid enters the bladder 801 as the diaphragm 8 expands and exits the bladder 801 as the diaphragm 8 contracts.

Referring to fig. 6, the wall thickness of the diaphragm 8 may be between 0.6-0.9 millimeters, so that the diaphragm 8 has a certain stiffness. When the diaphragm 8 contracts, fluid is squeezed, reaction force is generated to squeeze the diaphragm 8, and when the hardness of the diaphragm 8 is improved, the capacity of the diaphragm 8 for bearing the reaction force of the fluid is improved, the possibility that the diaphragm 8 expands under the reaction force of the fluid is reduced, and the stability of fluid transmission is improved.

Referring to fig. 6, the pump cover 9 is located on the side of the seat 10 away from the diaphragm 8, the pump cover 9 is fixedly communicated with an inlet pipe 901 and a discharge pipe 902, the top of the seat 10 is fixed with a partition plate 15 with an annular structure, the partition plate 15 surrounds the fluid outlet hole 11, and the side of the partition plate 15 away from the seat 10 is abutted and sealed with the pump cover 9, so that an inlet cavity 13 and a discharge cavity 14 are formed between the seat 10 and the pump cover 9. The fluid inlet 12 and the inlet tube 901 are respectively communicated with the inlet cavity 13, and external fluid enters the inlet cavity 13 through the inlet tube 901 and then enters the sac cavity 801 through the fluid inlet 12; the fluid outlet 11 and the discharge pipe 902 communicate with the discharge chamber 14, respectively, and the fluid in the bladder 801 enters the discharge chamber 14 through the fluid outlet 11 and is discharged out of the pump body 1 through the discharge pipe 902.

Referring to fig. 6 and 7, a first one-way valve 16 is fixedly connected to a side of the seat body 10 away from the diaphragm 8, the first one-way valve 16 is made of a silica gel material, and one first one-way valve 16 is matched with one group of fluid outlet holes 11; one side of the seat body 10 facing the diaphragm 8 is fixedly connected with a second one-way valve 17, the second one-way valve 17 is made of silica gel materials, and one second one-way valve 17 is matched with one group of fluid inlet holes 12. When the diaphragm 8 contracts, the second check valve 17 is attached to the seat body 10 to close the fluid inlet hole 12, and at the moment, the fluid pushes the first check valve 16 to open the fluid outlet hole 11 towards the pump cover 9 side, so that the fluid in the bladder 801 can be discharged. When the diaphragm 8 is relaxed, the first check valve 16 is attached to the seat body 10 to close the fluid outlet hole 11, and at this time, the fluid pushes the second check valve 17 to open the fluid inlet hole 12 towards the diaphragm 8, so that the fluid entering the cavity 13 enters the bladder cavity 801.

Referring to fig. 6, during connection and installation, the pump cover 9, the base body 10, the pump base 4 and the base 3 can be connected through ultrasonic welding, so that not only can the pump cover 9, the base body 10, the pump base 4 and the base 3 be preliminarily fixed, but also the pump cover 9, the base body 10, the pump base 4 and the base 3 can be sealed, and the possibility of fluid leakage is reduced.

Referring to fig. 6 and 7, the pump body 1 is provided with a fixing member, which is a plurality of fasteners 21, and the fasteners 21 are used to further increase the connection fixing strength between the pump cover 9, the seat body 10, the pump seat 4 and the base 3.

Referring to fig. 6 and 7, the buckle 21 includes a connecting portion 211 and a clamping portion 212, and the connecting portion 211 and the clamping portion 212 may be long cylindrical structures or long square cylindrical structures. The two clamping portions 212 are fixed at two ends of the connecting portion 211 respectively, and the two clamping portions 212 extend obliquely toward opposite sides. The pump cover 9, the base body 10, the pump base 4 and the outer peripheral side of the base 3 are respectively provided with a connecting groove 20, and the connecting grooves 20 are aligned and communicated with each other during installation and used for accommodating the connecting part 211. The pump cover 9 and one side of the base 3 away from the seat body 10 are provided with clamping grooves 22 corresponding to the number of the buckles 21, and the connecting grooves 20 are communicated with the clamping grooves 22. The clamping portion 212 may be made of a metal material with certain elasticity, such as stainless steel, and the clamping portion 212 is clamped in the clamping groove 22 during installation, and at this time, the two clamping portions 212 fixed on the same connecting portion 211 are clamped towards opposite sides, so as to further fix the pump cover 9, the base 10, the pump base 4, and the base 3. In other embodiments, the fixing member may also be a screw, and the pump cover 9, the seat body 10, the pump seat 4, and the base 3 are fixed by the screw, so as to further improve the fixing strength.

The implementation principle of the high-efficiency fluid pump of the embodiment is as follows:

when the device works, the motor 2 is started to generate power, then the swing rod 6 is driven to rotate, the diaphragm 8 is pressed, and the fluid in the capsule 801 can be discharged. When the swing rod 6 drives the diaphragm 8 to relax, the fluid enters the capsule cavity 801 to wait for the next round of extrusion. When the swing rod 6 rotates, the plurality of diaphragms 8 realize the discharge and the entrance of the fluid in the bladder cavity 801 according to the same steps, so as to realize the function of a pump, and the table surface of the positioning table 19 of the base body 10 is inclined, so that the discharge route of the fluid in the bladder cavity 801 is optimized, the fluid can vertically enter the fluid outlet hole 111, and the fluid output rate of the pump body 1 is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a valve seat, sets up between pump cover (9) and diaphragm (8), includes pedestal (10), set up on pedestal (10) and be used for supplying fluid to get into fluid inlet hole (12) of cyst chamber (801) and supply fluid to send out fluid outlet hole (11) of cyst chamber (801), its characterized in that: the opening that fluid export (11) were faced diaphragm (8) one side forms fluid outlet (111) that supplies fluid to enter fluid export (11), just the open area of fluid outlet (111) is greater than the cross-sectional area of fluid export (11), pedestal (10) are provided with location platform (19) towards diaphragm (8) one side, the slope setting of pedestal (10) one side is kept away from in location platform (19) and is inclined plane portion (191), fluid export (11) are towards diaphragm (8) one side and run through location platform (19) and form fluid export (11).

2. A valve seat according to claim 1, wherein: the opening direction of the fluid outlet (111) is opposite to the direction of the diaphragm (8) extruded by the swing rod (6).

3. A valve seat according to claim 2, wherein: the inclination angle of the inclined plane part (191) is 3-9 degrees.

4. A valve seat according to claim 1, wherein: the inclined plane part (191) is provided with an inwards concave arc structure.

5. A valve seat according to claim 1, wherein: the seat body (10) is provided with a fixture block (18) which is matched with the pump body (1) to clamp the diaphragm.

6. An efficient fluid pump, characterized by: comprising a seat (10) according to any of claims 1 to 5.

7. An efficient fluid pump as defined in claim 6, wherein: still include the pump body (1), the pump body (1) is provided with pump cover (9) and base (3), pedestal (10) are located between pump cover (9) and base (3), base (3) are connected with power portion (101), pump body (1) is provided with the mounting that is used for unable adjustment base (3) and pump cover (9), the mounting is buckle (21), buckle (21) include connecting portion (211) and set up at connecting portion (211) both ends and towards joint portion (212) that heels the slope extension in opposite directions, pump cover (9) and base (3) are provided with draw-in groove (22) that are used for supplying joint portion (212) joint respectively.

8. An efficient fluid pump as defined in claim 7, wherein: the pump body (1) is provided with a diaphragm (8) which is matched with the base body (10) to form a bag cavity (801), and the thickness of the diaphragm (8) is 0.6-0.9 mm.

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