CN218987451U

CN218987451U - Pressure regulating mechanism of piston pump

Info

Publication number: CN218987451U
Application number: CN202223199211.1U
Authority: CN
Inventors: 陆卞忠; 陆晓晓; 陈荣波
Original assignee: Zhangjiagang City Huan Ya Spray Plastic Industry Co ltd
Current assignee: Zhangjiagang City Huan Ya Spray Plastic Industry Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-05-09
Anticipated expiration: 2032-11-30

Abstract

The application relates to the technical field of piston pump pressure regulating, and disclose a pressure regulating mechanism of piston pump, including last casing, it is provided with down the casing to go up the casing bottom, it is provided with pressing mechanism to go up the inside pressing mechanism that is provided with of casing, pressing mechanism is including pressing the base, press the base setting in last casing top, press the base extend into go up the inside and with last casing assorted of casing, press base bottom fixedly connected with communicating pipe, communicating pipe outside fixedly connected with piston block. Through pressing mechanism's design, owing to pass through bolted connection between annular plate and the piston piece, so reciprocate outside the piston piece when annular plate rotates, when annular plate down-ward movement, then under the same distance of pressing, less air that extrudes, when annular plate up-ward movement, more air that extrudes under the same distance of pressing to this realizes the pressure regulation function when pressing, can deal with different user demands.

Description

Pressure regulating mechanism of piston pump

Technical Field

The application relates to the technical field of pressure regulation of piston pumps, in particular to a pressure regulating mechanism of a piston pump.

Background

In bottled cosmetics with pressed liquid, a piston pump pair is needed to be used for a user to press and pump the liquid in the cosmetics, and the principle of the piston pump in working is generally that the piston pump reciprocates, so that the working volume of a pump cavity is periodically changed, the liquid is sucked and discharged, and the device is relatively common tool equipment in daily life.

The patent network publication No. CN211140201U discloses a novel emulsion pump body convenient to press, which comprises a pressing head, a spring, a pump cover, balls and a piston rod, wherein the middle part of the lower end of the pressing head is fixedly connected with the piston rod, the piston rod below the pressing head penetrates through the pump cover, the spring is sleeved on the piston rod, and two ends of the spring are respectively contacted with the pressing head and the pump cover; the lower end of the pump cover is provided with a round guide pipe, and a ball is arranged in the round guide pipe; the wall surface of the inner cavity at the upper end of the pump cover is provided with an internal thread, and the inner cavity at the upper end of the pump cover is matched with an emulsion pump through the thread. The emulsion pump can be used as a pump body in the emulsion pump, the emulsion is pressed out through pressing, and meanwhile, the resistance during pressing is reduced, namely, the emulsion pump is convenient to use due to the fact that the emulsion pump is easy to press.

When the device works, the emulsion pump is added for matching use, so that the emulsion is discharged to reduce pressing resistance, but in the conventional piston pump in the using process, the internal pressure is generally constant and not adjustable, and when a user presses, the internal pressure cannot be adjusted according to actual use requirements, so that the device is not flexible to use, and the device also does not have the function of adjusting the internal pressure of the piston pump.

Disclosure of Invention

In order to solve the above-mentioned problem, the present application provides a pressure regulating mechanism of a piston pump.

The application provides a pressure regulating mechanism of piston pump adopts following technical scheme:

the utility model provides a pressure regulating mechanism of piston pump, includes the casing, the casing bottom is provided with down the casing on, the inside pressing mechanism that is provided with of last casing.

The pressing mechanism comprises a pressing base, the pressing base is arranged at the top of an upper shell, the pressing base extends into the upper shell and is matched with the upper shell, a communicating pipe is fixedly connected to the bottom of the pressing base, a piston block is fixedly connected to the outside of the communicating pipe, an annular plate is arranged outside the piston block, the annular plate is connected with the piston block through threads, a sleeve is arranged between the upper shell and a lower shell, and the outer side surface of the annular plate is tightly attached to the surface of an inner cavity of the sleeve.

Through adopting above-mentioned technical scheme, the sleeve pipe seals the connection between upper casing and the lower casing to laminating between sleeve pipe inboard and the annular plate possesses airtight condition equally, so when piston piece and annular plate are common reciprocate, can play the function of extruding the exhaust to inside gas equally.

Preferably, annular grooves are formed in the outer side walls of the upper shell and the lower shell, the top and the bottom of the inner side of the sleeve extend into the annular grooves, the top and the bottom of the inner side of the sleeve are fixedly connected with sealing gaskets, and the inner sides of the sealing gaskets are attached to the inner sides of the annular grooves.

By adopting the technical scheme, the sealing gasket plays a sealing role.

Preferably, sliding grooves are formed in two side walls of the inner cavity of the sleeve, sliding blocks are fixedly connected to the left side and the right side of the annular plate, and the two sliding blocks extend into the two sliding grooves respectively and are matched with the sliding grooves.

Through adopting above-mentioned technical scheme, the slider can be at the inside removal of spout, and the slider outside is laminated mutually with the spout inboard simultaneously, has sealed effect.

Preferably, the limiting grooves are formed in the two side walls of the inner cavity of the upper shell, limiting blocks are fixedly connected to the two sides of the pressing base, and the limiting blocks extend into the limiting grooves and are matched with the limiting grooves.

Through adopting above-mentioned technical scheme, the stopper can be at the inside removal of spacing groove to play limiting displacement to pressing the base.

Preferably, the lower shell bottom fixedly connected with suction pipe, the sawtooth stripe has been seted up to suction pipe bottom, piston piece bottom fixedly connected with spring, spring bottom fixedly connected with first spheroid, the first spheroid outside closely laminates with suction pipe top inboard.

By adopting the technical scheme, the sawtooth stripes can avoid the situation that the suction pipe isolates liquid and cannot be sucked.

Preferably, the pressing base is internally provided with a bevel slot, a second sphere is arranged in the bevel slot, and the second sphere is attached to the bottom of the inner side of the bevel slot.

Through adopting above-mentioned technical scheme, at the in-process that the pressing head was popped up after receiving the pressure, the second spheroid plays the function that one-way stop gas got into from the external world.

Preferably, the pressing base top integrated molding has the pressing head, the inside fixedly connected with pin of pressing head.

Through adopting above-mentioned technical scheme, the pin can provide the touching spacing to the second spheroid, avoids it to drop and go out.

In summary, the present application includes the following beneficial technical effects:

1. the utility model provides a pressure regulating mechanism of piston pump, through pressing mechanism's design, owing to pass through bolted connection between annular plate and the piston piece, so carry out the reciprocating in the piston piece outside when annular plate rotates, when annular plate down moves, then under the same distance of pressing, the air that extrudes is less, and when annular plate upwards moved, the same presses the air that extrudes under the distance more to this realizes the pressure regulation function to pressing time, can deal with different user demands.

2. The utility model provides a pressure regulating mechanism of piston pump, has realized pressing the same distance when the user presses to the air or the liquid that squeeze out is different to this realization is to the regulation of internal pressure, and when realizing above function, does not add too much spare part, is favorable to manufacturing.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the structure of the present utility model;

FIG. 3 is an enlarged view at A in FIG. 2;

fig. 4 is an enlarged view at B in fig. 2.

Reference numerals illustrate: 1. an upper housing; 2. a lower housing; 3. a pressing mechanism; 31. pressing the base; 32. a communicating pipe; 33. a piston block; 34. an annular plate; 35. a sleeve; 36. a sealing gasket; 37. a chute; 38. a slide block; 39. a limit groove; 391. a limiting block; 392. a suction pipe; 393. a spring; 394. a first sphere; 395. a bevel slot; 396. pressing head; 397. a stop lever; 398. and a second sphere.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses a pressure regulating mechanism of a piston pump. Referring to fig. 1-4, a pressure regulating mechanism of a piston pump comprises an upper shell 1, wherein a lower shell 2 is arranged at the bottom of the upper shell 1, a pressing mechanism 3 is arranged in the upper shell 1, the pressing mechanism 3 comprises a pressing base 31, the pressing base 31 is arranged at the top of the upper shell 1, and the pressing base 31 extends into the upper shell 1 and is matched with the upper shell 1;

the bottom of the pressing base 31 is fixedly connected with a communicating pipe 32, the outside of the communicating pipe 32 is fixedly connected with a piston block 33, the outside of the piston block 33 is provided with an annular plate 34, the annular plate 34 is connected with the piston block 33 through threads, a sleeve 35 is arranged between the upper shell 1 and the lower shell 2, the outer side surface of the annular plate 34 is tightly attached to the inner cavity surface of the sleeve 35, the sleeve 35 is in sealing connection with the upper shell 1 and the lower shell 2, and the inner side of the sleeve 35 is attached to the annular plate 34, and the sealing condition is also provided, so that the sealing condition can be realized, and the function of extruding and discharging internal gas can be realized when the piston block 33 and the annular plate 34 move up and down together;

annular grooves are formed in the outer side walls of the upper shell 1 and the lower shell 2, the top and the bottom of the inner side of the sleeve 35 extend into the annular grooves, the top and the bottom of the inner side of the sleeve 35 are fixedly connected with sealing washers 36, the inner side of the sealing washers 36 are attached to the inner side of the annular grooves, the sealing washers 36 play a sealing role, sliding grooves 37 are formed in the two side walls of the inner cavity of the sleeve 35, sliding blocks 38 are fixedly connected to the left side and the right side of the annular plate 34, the two sliding blocks 38 extend into the two sliding grooves 37 respectively and are matched with the sliding grooves 37, the sliding blocks 38 can move in the sliding grooves 37, and meanwhile, the outer sides of the sliding blocks 38 are attached to the inner sides of the sliding grooves 37, so that the sealing role is achieved;

limiting grooves 39 are formed in two side walls of the inner cavity of the upper shell 1, limiting blocks 391 are fixedly connected to two sides of the pressing base 31, the limiting blocks 391 extend into the limiting grooves 39 and are matched with the limiting grooves 39, the limiting blocks 391 can move in the limiting grooves 39 and play a limiting role on the pressing base 31, a suction pipe 392 is fixedly connected to the bottom of the lower shell 2, saw-tooth stripes are formed in the bottom of the suction pipe 392, springs 393 are fixedly connected to the bottom of each piston block 33, first spheres 394 are fixedly connected to the bottom of each spring 393, the outer sides of the first spheres 394 are tightly attached to the inner sides of the tops of the suction pipes 392, and the saw-tooth stripes can prevent the suction pipes 392 from isolating liquid and causing the condition that the suction cannot be carried out;

the inclined opening groove 395 is formed in the pressing base 31, the second ball 398 is arranged in the inclined opening groove 395, the second ball 398 is attached to the inner bottom of the inclined opening groove 395, the second ball 398 plays a role in one-way stopping gas from entering from the outside when the pressing head 396 is pressed and popped up, the pressing head 396 is integrally formed at the top of the pressing base 31, the stop lever 397 is fixedly connected inside the pressing head 396, and the stop lever 397 can provide touch limit for the second ball 398 and prevent the second ball 398 from falling.

In the actual operation process, when the device is needed to press and extract liquid, the piston block 33 performs piston movement, and under the same pressing strength, the extruded air is constant, when the pressure needs to be regulated, the sleeve 35 can be directly rotated, the sleeve 35 drives the sliding block 38 to rotate, the sliding block 38 drives the annular plate 34 to rotate outside the piston block 33, and because the annular plate 34 is connected with the piston block 33 through bolts, the annular plate 34 moves up and down outside the piston block 33 while rotating, when the annular plate 34 moves downwards, under the same pressing distance, less extruded air is obtained, and when the annular plate 34 moves upwards, more extruded air is obtained under the same pressing distance, so that the pressure regulating function during pressing is realized, and different use requirements can be met;

the pumping mode during the specific pressing is that the pressing head 396 is stressed and then drives the communicating pipe 32 to move, the communicating pipe 32 drives the piston block 33 to move, the piston block 33 drives the external annular plate 34 to move, the annular plate 34 drives the inner side of the sleeve 35 to be tightly attached, the sliding block 38 and the sliding groove 37 are tightly attached to each other and have sealing conditions, so that the sleeve 35 and the air inside the lower shell 2 are extruded while the annular plate 34 moves up and down, the piston block 33 extrudes the spring 393, the spring 393 drives the first sphere 394 to move downwards to be tightly attached to the inner side of the top of the suction pipe 392, at the moment, the air cannot be discharged downwards, only the second sphere 398 can be ejected through the pressing head 396 after the second sphere 398 is ejected, after the pressing head 396 moves upwards, external liquid enters the lower shell 2 through the suction pipe 392 due to internal and external pressure difference, and the second sphere 398 can avoid the entry of external air, so that the function of pumping the liquid is finally realized repeatedly.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a pressure regulating mechanism of piston pump, includes casing (1), its characterized in that: the bottom of the upper shell (1) is provided with a lower shell (2), and a pressing mechanism (3) is arranged in the upper shell (1);

pressing mechanism (3) are including pressing base (31), press base (31) set up in last casing (1) top, press base (31) extend into the inside and with last casing (1) phase-match of casing (1), press base (31) bottom fixedly connected with communicating pipe (32), communicating pipe (32) outside fixedly connected with piston block (33), piston block (33) outside is provided with annular plate (34), annular plate (34) pass through threaded connection with piston block (33), be provided with sleeve pipe (35) between last casing (1) and lower casing (2), annular plate (34) outside surface and sleeve pipe (35) inner chamber surface closely laminate.

2. A pressure regulating mechanism for a piston pump as in claim 1, wherein: annular grooves are formed in the outer side walls of the upper shell (1) and the lower shell (2), the top and the bottom of the inner side of the sleeve (35) extend into the annular grooves, the top and the bottom of the inner side of the sleeve (35) are fixedly connected with sealing gaskets (36), and the inner side of the sealing gaskets (36) is attached to the inner side of the annular grooves.

3. A pressure regulating mechanism for a piston pump as in claim 1, wherein: sliding grooves (37) are formed in two side walls of the inner cavity of the sleeve (35), sliding blocks (38) are fixedly connected to the left side and the right side of the annular plate (34), and the two sliding blocks (38) extend into the two sliding grooves (37) respectively and are matched with the sliding grooves (37).

4. A pressure regulating mechanism for a piston pump as in claim 1, wherein: limiting grooves (39) are formed in two side walls of the inner cavity of the upper shell (1), limiting blocks (391) are fixedly connected to two sides of the pressing base (31), and the limiting blocks (391) extend into the limiting grooves (39) and are matched with the limiting grooves (39).

5. A pressure regulating mechanism for a piston pump as in claim 1, wherein: the utility model discloses a suction pipe, including casing (2) bottom, piston piece (33) bottom, casing (2) bottom fixedly connected with suction pipe (392), sawtooth stripe has been seted up to suction pipe (392) bottom, piston piece (33) bottom fixedly connected with spring (393), spring (393) bottom fixedly connected with first spheroid (394), first spheroid (394) outside and suction pipe (392) top inboard closely laminate.

6. A pressure regulating mechanism for a piston pump as in claim 1, wherein: the pressing base (31) is internally provided with a bevel groove (395), the bevel groove (395) is internally provided with a second ball body (398), and the second ball body (398) is attached to the bottom of the inner side of the bevel groove (395).

7. A pressure regulating mechanism for a piston pump as in claim 1, wherein: the top of the pressing base (31) is integrally formed with a pressing head (396), and a stop lever (397) is fixedly connected inside the pressing head (396).