CN214932178U

CN214932178U - Full-plastic recyclable emulsion pump

Info

Publication number: CN214932178U
Application number: CN202120942040.3U
Authority: CN
Inventors: 李再
Original assignee: Yuyao Dandan Sprayer Co Ltd
Current assignee: Yuyao Dandan Sprayer Co Ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-11-30
Anticipated expiration: 2031-04-30

Abstract

The application relates to a full-plastic recyclable emulsion pump, and belongs to the technical field of emulsion pumps. The cylinder cover is slidably mounted in the cylinder body and divides an inner cavity of the cylinder body into a lower cavity and an upper cavity, the lower end of the one-way valve rod slidably penetrates through the cylinder cover, a closed flanging is arranged on the outer wall of the lower end of the one-way valve rod and abuts against the cylinder cover, a first liquid outlet hole penetrating through the upper end face is formed in the one-way valve rod, a one-way liquid outlet communicated with the first liquid outlet hole is formed in the outer wall of the lower portion of the one-way valve rod, the pressure head is communicated with the one-way valve rod and drives the one-way valve rod to press downwards, and the resetting piece is mounted in the upper cavity and drives the one-way valve rod to reset; the check valve comprises a valve body, a valve plate and an elastic connecting piece, the valve body is embedded at the cavity bottom of the lower cavity and is communicated up and down, the valve plate is positioned in the valve body and seals the liquid inlet, and at least one elastic connecting piece is fixed with the outer edge of the valve plate and the other end of the elastic connecting piece is fixed with the inner wall of the valve body. The application has the effect that the inversion of the emulsion pump can also keep stable use.

Description

Full-plastic recyclable emulsion pump

Technical Field

The application relates to the field of emulsion pumps, in particular to an all-plastic recyclable emulsion pump.

Background

A lotion pump, such as a push-type lotion pump, is generally mounted on an opening of a container for bottled products such as bath foam, shampoo, and the like. The user may pump the product in the container out of the container for use by pressing the lotion pump.

The existing emulsion pump generally comprises a pressure head with an outlet, a pressure rod, a cylinder cover, a cylinder body and a one-way valve, the cylinder cover is installed in the cylinder body and is formed with an accommodating cavity between the cylinder body, one end of the pressure rod is provided with the other end of the pressure head, the other end of the pressure head stretches into the cylinder body, the cylinder cover is pushed to move downwards, meanwhile, a spring is installed in the accommodating cavity and used for pushing the cylinder cover to reset, the accommodating cavity is provided with a liquid inlet and a liquid outlet, the one-way valve is arranged respectively, the liquid inlet is communicated with the emulsion bottle, the liquid outlet is communicated with the pressure head, when a user presses the pressure head, gas or liquid in the accommodating cavity is discharged from the outlet, when the pressure head is prevented from being loosened, the spring pushes the cylinder rod, the volume of the accommodating cavity is restored, emulsion is sucked from the emulsion bottle in the process, and therefore the function of the emulsion pump is achieved.

The one-way valve of the emulsion pump usually adopts steel balls, the liquid inlet or the liquid outlet of the containing cavity is sealed by the steel balls, and negative pressure or positive pressure is formed when the volume is changed, so that the steel balls are driven not to seal the liquid inlet or the liquid outlet, and one-way suction and one-way discharge are realized.

In view of the above-mentioned related art, the inventor believes that the check valve of the emulsion pump is unstable in use, and when the emulsion pump is turned upside down, the steel balls are easily separated by gravity and lose their function.

SUMMERY OF THE UTILITY MODEL

In order to improve the stability of emulsion pump when using, this application provides a recoverable emulsion pump of plastic.

The application provides a but, plastic recycling emulsion pump adopts following technical scheme:

an all-plastic recyclable emulsion pump comprises a cylinder body, a one-way valve, a cylinder cover, a one-way valve rod, a reset piece, a pressure rod and a pressure head, wherein an installation cavity is arranged in the cylinder body, a liquid inlet is formed in the bottom of the installation cavity, the cylinder cover is slidably installed in the installation cavity and divides the installation cavity into a lower cavity and an upper cavity, the lower end of the one-way valve rod slidably penetrates through the cylinder cover and is positioned in the lower cavity, a closed flanging is arranged on the outer wall of one end, positioned in the lower cavity, of the one-way valve rod and abutted against the cylinder cover, a first liquid outlet hole penetrating through the upper end face is formed in the one-way valve rod, a one-way liquid outlet communicated with the first liquid outlet hole is formed in the outer wall of the lower portion of the one-way valve rod, one end of the pressure rod is fixedly connected with the pressure head in an inserting mode, the other end of the pressure rod is fixedly connected with the one-way valve rod in an inserting mode and communicated with the inside, the lower end surface of the pressure lever and the cylinder cover are arranged at intervals, and the reset piece is arranged on the upper cavity and drives the one-way valve rod to reset;

the check valve comprises a valve body, a valve plate and an elastic connecting piece, the valve body is embedded at the bottom of the lower cavity and is communicated up and down, the valve plate is located in the valve body and seals the liquid inlet, and at least one piece of the elastic connecting piece and one end of the elastic connecting piece are fixed to the outer edge of the valve plate and the other end of the elastic connecting piece are fixed to the inner wall of the valve body.

By adopting the technical scheme, the one-way valve rod is driven to move downwards through the pressure rod, then the cylinder cover is driven to move downwards, the process of communicating the lower cavity with the first liquid outlet pipe hole and compressing the volume is realized, when the pressure rod moves upwards, the lower cavity is firstly closed and then the volume is expanded, so that the one-way liquid discharging function of the upper part is realized, the valve body performs one-way liquid suction on the lower part of the cylinder body, when the internal air pressure is reduced, the valve block moves upwards to suck emulsion, when the internal pressure is increased, the valve block seals the liquid inlet, the one-way liquid suction function of the liquid inlet is realized, the whole mechanism is stable, and the change can not be generated along with the random movement of the emulsion pump.

Optionally, the elastic tab extends circumferentially along the valve body.

By adopting the technical scheme, the length of the elastic connecting piece is prolonged, and the length of the elastic connecting piece in a limited distance is improved, so that the elastic deformation capacity of the elastic connecting piece is improved.

Optionally, the cylinder head forms the end face inner ring of cavity of resorption is provided with down annular seal arch, seal the turn-ups and offer the confession down the seal groove of annular seal arch embedding.

By adopting the technical scheme, the lower annular sealing bulge is embedded into the sealing groove, so that the sealing property between the one-way valve rod and the cylinder cover is improved.

Optionally, the reset device further comprises a butting seat, the butting seat is clamped in the upper cavity and is sleeved outside the compression bar in a sliding mode, the reset piece is a flexible PP pipe and is sleeved outside the compression bar, a butting flanging is arranged on the outer wall of the upper end of the compression bar, and the reset piece is clamped between the butting flanging and the butting seat.

Through adopting above-mentioned technical scheme, set up the butt seat, on the one hand, the slip direction of restriction depression bar, on the other hand for the restriction piece that resets provides elasticity restoring force to the depression bar through the piece that resets.

Optionally, the piece that resets includes the suit portion that is located the top and the deformation portion that is located the below, deformation portion from the bottom up reduces gradually.

Through adopting above-mentioned technical scheme, the portion of warping is easily out of shape, and the depression bar conveniently pushes down and can obtain the power that resets and resume the normal position, and suit portion is used for restricting the deformation that resets for it crosses the butt turn-ups to reset after the piece is difficult to warp.

Optionally, an annular abutting groove for embedding the reset piece is formed in the abutting seat.

Through adopting above-mentioned technical scheme, set up annular butt groove and restrict the lower part of the piece that resets, keep the axiality between piece that resets and the depression bar.

Optionally, the inner wall of the lower cavity is provided with an elastic limiting piece in a suspending manner, and the elastic limiting piece is abutted to the valve body and limits the valve body to slide.

Through adopting above-mentioned technical scheme, through setting up the spacing piece of elasticity, can not prevent the check valve installation, can hinder again that the check valve breaks away from the relevant position, remain stable.

Optionally, the cylinder body further comprises an installation cover, a first clamping block and a second clamping block are arranged on the outer wall of the upper portion of the cylinder body, a third clamping block is arranged on the inner wall of the installation cover, the third clamping block is located between the first clamping block and the second clamping block to achieve clamping and fixing between the installation cover and the cylinder body, a screwing-in space is formed between the installation cover and the cylinder body, and an internal thread is formed on the inner wall of the installation cover.

By adopting the technical scheme, the mounting cover is used for mounting and fixing the pump body on the emulsion pump, and the mounting cover is clamped and fixed with the pump body, so that the mounting is convenient.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the one-way valve rod is driven to move downwards by the pressure rod, then the cylinder cover is driven to move downwards, the process of communicating the lower cavity with the first liquid outlet pipe hole and compressing the volume is realized, when the pressure rod moves upwards, the lower cavity is firstly closed, then the volume is expanded, so that the one-way liquid discharging function of the upper part is realized, the valve body performs one-way liquid suction on the lower part of the cylinder body, when the internal air pressure is reduced, the valve block moves upwards to suck emulsion, and when the internal pressure is increased, the valve block seals the liquid inlet, so that the one-way liquid suction function of the liquid inlet is realized, the whole mechanism is stable, and cannot change along with the random movement of the emulsion pump;

2. the abutting seat is arranged, on one hand, the sliding direction of the compression rod is limited, on the other hand, the abutting seat is used for limiting the reset piece, the elastic reset force is provided for the compression rod through the reset piece, the deformation part is easy to deform, the compression rod is convenient to press down and can obtain the reset force of the reset piece to restore to the original position, and the sleeving part is used for limiting the deformation of the reset piece, so that the reset piece is difficult to deform and then crosses the abutting flanging;

3. the mounting cover is used for mounting and fixing the pump body on the emulsion pump, and the mounting cover is clamped and fixed with the pump body, so that the mounting is convenient.

Drawings

FIG. 1 is a cross-sectional view of an embodiment of the present application;

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

FIG. 3 is a cross-sectional view of the internal components of the cylinder of the embodiment of the present application;

fig. 4 is a schematic structural diagram of an embodiment of the present application.

Description of reference numerals: 1. a cylinder body; 11. a mounting cavity; 111. a lower cavity; 112. an upper chamber; 12. a liquid suction section; 121. a limiting ring; 122. a liquid inlet; 13. a valve section; 14. a volume change segment; 15. a pressure hole is communicated; 16. a first clamping block; 17. a second fixture block; 2. a one-way valve; 21. a valve body; 22. a valve plate; 23. an elastic tab; 24. an elastic limiting sheet; 3. a cylinder head; 31. a rod hole; 32. a lower annular sealing protrusion; 33. a lower annular abutment projection; 34. an upper annular sealing projection; 35. an upper annular abutment projection; 4. a one-way valve stem; 41. a first liquid outlet pipe hole; 42. sealing the flanging; 43. a sealing groove; 44. a one-way liquid discharge port; 5. a reset member; 51. a sheathing part; 52. a deformation section; 6. a butting seat; 61. an annular abutment groove; 7. a pressure lever; 71. a confinement ring; 72. a second section of ring groove; 73. butting and flanging; 8. a pressure head; 81. inserting a column; 82. an outlet; 83. a nozzle; 9. installing a cover; 91. a third fixture block; 92. screwing into the space; 10. and (7) clamping a cover.

Detailed Description

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

The embodiment of the application discloses a full-plastic recyclable emulsion pump.

Referring to fig. 1, a recoverable emulsion pump of plastic, including cylinder body 1, check valve 2, cylinder head 3, check valve rod 4, reset 5, butt seat 6, depression bar 7, pressure head 8 and installation lid 9, cylinder body 1 inside cavity is established to installation cavity 11, and absorb the emulsion in the emulsion bottle is gone into in the installation of lower part, 1 lower part of cylinder body is three-section ladder pipe from up including imbibition section 12 down in proper order, valve section 13 and volume change section 14, and external diameter and internal diameter are all from up crescent down, wherein imbibition section 12 supplies the straw installation, make the emulsion pump can follow the bottom imbibition of emulsion bottle, imbibition section 12 is close to valve section 13's an organic whole and sets up spacing ring 121, prevent the straw to insert in the valve section 13.

Referring to fig. 1 and 2, the check valve 2 includes valve body 21, valve block 22 and elasticity splicing 23, and the whole dress of check valve 2 is inside valve section 13, and valve body 21 is the pipe fitting that link up from top to bottom, and the integrative overhang of valve section 13 inner wall is provided with spacing piece 24 of elasticity, and spacing piece 24 of elasticity has better flexibility for the thin slice for the check valve 2 can be from last down imbed in valve section 13, and spacing piece 24 of elasticity butt valve body 21's last lateral wall, thereby restriction valve body 21 upwards slides and breaks away from valve section 13.

Referring to fig. 1 and 2, valve plate 22 is the casing that the opening is up, valve plate 22 lower wall is the spherical crown and butt spacing ring 121, the centre bore of spacing ring 121 establishes to inlet 122, close inlet 122 through valve plate 22, valve plate 22 is coaxial with valve body 21 simultaneously, elastic splicing 23 has three in this embodiment, three elastic splicing 23 sets up along the equal angle interval of valve plate 22 circumference, elastic splicing 23 one end sets up with valve body 21 inner wall is integrative, and the other end extends certain angle and sets up with valve plate 22 outer wall is integrative along valve plate 22 circumference, make valve plate 22 have better ability of upwards warping.

Referring to fig. 1 and 3, the cylinder head 3 is slidably mounted in the volume change section 14 and divides the mounting cavity 11 into two parts, namely a lower cavity 111 and an upper cavity 112, the cylinder head 3 is coaxially provided with a rod hole 31 which is through up and down, and the upper and lower end surfaces of the cylinder head 3 are both provided with annular grooves, so that the lower end surface of the cylinder head 3 is provided with a lower annular sealing protrusion 32 positioned on an inner ring and a lower annular abutting protrusion 33 positioned on an outer ring, the upper end surface of the cylinder head 3 is provided with an upper annular sealing protrusion 34 positioned on the inner ring and an upper annular abutting protrusion 35 positioned on the outer ring, and the lower annular abutting protrusion 33 and the upper annular abutting protrusion 35 are extended and arranged outwards along the direction of mutual distance, so that an annular cavity is formed between the cylinder head 3 and the inner wall of the cylinder body 1, the cylinder head 3 is made of a flexible PP material and has good ductility, so that the cylinder head 3 and the cylinder body 1 have good sealing performance, the outer wall of the volume change section 14 is provided with a pressure through hole 15, and when the cylinder cover 3 moves downwards, the pressure through hole 15 is communicated with the emulsion bottle to change the negative pressure state in the emulsion bottle.

Referring to fig. 1 and 3, the one-way valve rod 4 is a pipe with a closed lower end, an inner cavity is set as a first liquid outlet hole 41, the lower end of the one-way valve rod 4 is slidably mounted in the rod hole 31, and the end part of the one-way valve rod is located in the lower cavity 111, the outer wall of the lower end of the one-way valve rod 4 is provided with a closed flange 42, and the outer edge of the lower end of the one-way valve rod 4 is turned upwards to form a sealing groove 43 for the lower annular sealing protrusion 32 to be embedded into, so that sealing between the one-way valve rod 4 and the cylinder head 3 is realized, the outer wall of the lower part of the one-way valve rod 4 is provided with a one-way liquid outlet 44 communicated with the first liquid outlet hole 41, and when the lower annular sealing protrusion 32 is embedded into the sealing groove 43, the hole wall of the rod hole 31 seals the one-way liquid outlet 44.

Referring to fig. 1 and 3, the compression bar 7 is a vertically through pipe fitting, the upper end of the check valve rod 4 is inserted into and clamped and fixed inside the lower end of the compression bar 7, the inner wall of the compression bar 7 is provided with a limit ring 71 for limiting the insertion depth of the check valve rod 4, the upper end of the check valve rod 4 abuts against the limit ring 71, meanwhile, the lower end of the compression bar 7 is coaxially provided with a two-section ring groove 72, the upper annular sealing protrusion 34 is slidably installed between the groove wall of the two-section ring groove 72 and the outer wall of the check valve rod 4, when the lower annular sealing protrusion 32 is embedded into the sealing groove 43, the upper annular sealing protrusion 34 and the groove bottom of the two-section ring groove 72 are spaced by a certain distance, so that when the compression bar 7 is pressed down, the check valve rod 4 is driven to move down first, the lower cavity 111 and the first liquid outlet hole 41 are communicated through the one-way liquid outlet 44, then the compression bar 7 pushes the cylinder cover 3 to move down, the volume of the lower cavity 111 is reduced, and the emulsion flows into the first liquid outlet hole 41.

Referring to fig. 1 and 3, the abutting seat 6 is coaxial with the pressing rod 7, the pressing rod 7 slides and penetrates through the abutting seat 6, and meanwhile, the abutting seat 6 is clamped and fixed in the upper cavity 112 to keep the abutting seat 6 stably arranged.

Referring to fig. 1 and 3, depression bar 7 upper end outside-surface is provided with butt turn-ups 73, reset 5 for flexible PP pipe and suit outside depression bar 7, reset 5 whole centre gripping simultaneously between butt turn-ups 73 and butt seat 6, reset 5 including the suit portion 51 that is located the top and the deformation portion 52 that is located the below, the inside and outside footpath of suit portion 51 keeps unanimous, deformation portion 52 from the bottom up inside and outside diameter all reduces gradually and keeps thickness unchangeable, set up the annular butt groove 61 that supplies deformation portion 52 lower extreme embedding on the butt seat 6, reset through reset 5 elastic drive depression bar 7, depression bar 7 and then drives one-way valve rod 4 and cylinder cap 3 and reset.

Referring to fig. 1 and 3, the pressure head 8 is provided with an insertion column 81, the insertion column 81 is vertically inserted and fixed in the upper end of the pressure rod 7, an outlet 82 is formed in the pressure head 8, one end of the outlet 82 is horizontally provided for discharging emulsion, and the other end of the outlet 82 penetrates through the insertion column 81 and is communicated with the inner space of the pressure rod 7.

Referring to fig. 1, the mounting cover 9 is a pipe fitting for fixing the lotion pump on the lotion bottle, the outer wall of the upper portion of the cylinder body 1 is provided with a first clamping block 16 and a second clamping block 17, the first clamping block 16 is positioned above the second clamping block 17, the outer diameter of the second clamping block 17 is larger than that of the first clamping block 16, the inner hole of the mounting cover 9 is a stepped hole, the inner diameter of the upper end of the inner hole is smaller than that of the lower end of the inner hole, the inner wall of the upper end of the mounting cover 9 is integrally provided with a third clamping block 91, the third clamping block 91 is positioned between the first clamping block 16 and the second clamping block 17, the second clamping block 17 is abutted against the stepped surface in the mounting cover 9, so as to realize the clamping and fixing between the mounting cover 9 and the cylinder body 1, because the second clamping block 17 is larger than the first clamping block 16, the cylinder body 1 can be fixed with the mounting cover 9 from bottom to top, meanwhile, the second clamping block 17 is abutted against the mouth of the lotion bottle, the second clamping block 17 is clamped between the mounting cover 9 and the lotion bottle, so as to realize the firm mounting of the pump body, a screwing space 92 is formed between the inner wall of the lower end of the mounting cover 9 and the cylinder body 1, and inner threads are formed on the inner wall of the lower end of the mounting cover 9 to realize threaded fixation between the mounting cover 9 and the lotion bottle.

Referring to fig. 4, the clamping cover 10 is a pipe with one third of arc removed, the top of the pressure head 8 extends horizontally to form a nozzle 83 for discharging liquid, the clamping cover 10 is clamped between the nozzle 83 and the mounting cover 9 to limit the pressing of the pressure head 8, and when the pipe needs to be used, the clamping cover 10 is taken down.

The parts of the emulsion pump are not provided with metal parts such as springs, so that the overall plastic of the emulsion pump can be recycled, the recycling is more convenient, and the step of removing the metal parts is not needed.

The application principle of the all-plastic recyclable emulsion pump in the embodiment of the application is as follows: by pressing the pressure head 8, the pressure head 8 drives the pressure rod 7 to press downwards, the pressure rod 7 drives the one-way valve rod 4 to move downwards firstly, the lower cavity 111 and the first liquid outlet hole 41 are communicated through the one-way liquid outlet 44, then the cylinder cover 3 is pushed by the pressure rod 7 to move downwards, the volume of the lower cavity 111 is reduced, the emulsion flows into the first liquid outlet hole 41, the pressing of the pressure head 8 is released, the pressure rod 7 is reset under the pushing of the resetting piece 5, the one-way valve rod 4 is driven to move upwards firstly, then the cylinder cover 3 is driven to move upwards, at the moment, because the one-way liquid outlet 44 is sealed, the volume of the cavity between the cylinder cover 3 and the valve body 21 in the cylinder body 1 is enlarged to generate negative pressure, the valve plate 22 of the one-way valve 2 moves upwards to suck the emulsion in the emulsion bottle, when the pressure head 3 moves downwards again, the pressure through hole 15 is not sealed, the external air enters the emulsion bottle, and the space in the emulsion bottle is filled after the emulsion is lost.

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

1. An all-plastic recyclable emulsion pump is characterized in that: the cylinder comprises a cylinder body (1), a one-way valve (2), a cylinder cover (3), a one-way valve rod (4), a reset piece (5), a pressure rod (7) and a pressure head (8), wherein a mounting cavity (11) is arranged in the cylinder body (1), a liquid inlet (122) is formed in the bottom of the mounting cavity (11), the cylinder cover (3) is slidably arranged in the mounting cavity (11) and is divided into a lower cavity (111) and an upper cavity (112), the lower end of the one-way valve rod (4) slidably penetrates through the cylinder cover (3) and is positioned in the lower cavity (111), a closed flanging (42) and abutted against the cylinder cover (3) are arranged on the outer wall of one end, positioned in the lower cavity (111), of the one-way valve rod (4) is provided with a first liquid outlet hole (41) penetrating through the upper end face, and a one-way liquid outlet (44) communicated with the first liquid outlet hole (41) is formed in the outer wall of the lower part of the one-way valve rod (4), one end of the pressure rod (7) is fixedly connected with the pressure head (8) in an inserting mode and is communicated with the interior of the pressure rod, the other end of the pressure rod (7) is fixedly connected with the one-way valve rod (4) in an inserting mode and is communicated with the interior of the pressure rod, the lower end face of the pressure rod (7) is arranged at an interval with the cylinder cover (3), and the reset piece (5) is installed on the upper cavity (112) and drives the one-way valve rod (4) to reset;

check valve (2) include valve body (21), valve block (22) and elasticity splicing (23), valve body (21) inlay and adorn in just link up from top to bottom at the bottom of the chamber of lower chamber (111), valve block (22) are located valve body (21) and seal inlet (122), at least one slice and one end of elasticity splicing (23) with valve block (22) outer edge fixed other end with valve body (21) inner wall is fixed.

2. The all-plastic recyclable lotion pump as set forth in claim 1, wherein: the elastic connecting piece (23) extends along the circumferential direction of the valve body (21).

3. The all-plastic recyclable lotion pump as set forth in claim 2, wherein: the cylinder cover (3) is formed, a lower annular sealing bulge (32) is arranged on the inner ring of the end face of the lower cavity (111), and a sealing groove (43) for embedding the lower annular sealing bulge (32) is formed in the sealing flanging (42).

4. The all-plastic recyclable lotion pump as set forth in claim 3, wherein: still include butt joint seat (6), butt joint seat (6) clamp in epicoele (112) and the suit that slides in outside depression bar (7), reset piece (5) for flexible PP pipe and suit in outside depression bar (7), depression bar (7) upper end outer wall is provided with butt turn-ups (73), reset piece (5) centre gripping in butt turn-ups (73) with between butt joint seat (6).

5. The all-plastic recyclable lotion pump as set forth in claim 4, wherein: the reset piece (5) comprises a sleeving part (51) positioned above and a deformation part (52) positioned below, wherein the deformation part (52) is gradually reduced from bottom to top.

6. The all-plastic recyclable lotion pump as set forth in claim 5, wherein: and the abutting seat (6) is provided with an annular abutting groove (61) for embedding the resetting piece (5).

7. The all-plastic recyclable lotion pump as set forth in claim 6, wherein: the inner wall of the lower cavity (111) is provided with an elastic limiting piece (24) in a suspending mode, and the elastic limiting piece (24) is abutted to the valve body (21) and limits the valve body (21) to slide.

8. The all-plastic recyclable lotion pump as set forth in claim 7, wherein: the cylinder body is characterized by further comprising an installation cover (9), a first clamping block (16) and a second clamping block (17) are arranged on the outer wall of the upper portion of the cylinder body (1), a third clamping block (91) is arranged on the inner wall of the installation cover (9), the third clamping block (91) is located between the first clamping block (16) and the second clamping block (17) to achieve clamping and fixing between the installation cover (9) and the cylinder body (1), a screwing space (92) is formed between the installation cover (9) and the cylinder body (1), and internal threads are formed in the inner wall of the installation cover (9).