CN211767506U

CN211767506U - Hand-pressing type spray pump

Info

Publication number: CN211767506U
Application number: CN202020116634.4U
Authority: CN
Inventors: 施云鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-10-27
Anticipated expiration: 2030-01-19

Abstract

The utility model discloses a hand-press type spray pump, relating to the technical field of spray parts; the sealing device comprises a pump body, a sealing ring located at the bottom end of the pump body, and a sealing ball located at the bottom end of the pump body, wherein the sealing ball is located on the upper side of the sealing ring, the sealing device further comprises a lower piston inserted into the upper end of the pump body, an upper piston sleeved on the upper end of the lower piston, and a spring located in the pump body and used for driving the lower piston to move towards the direction away from the pump body, a through hole is formed in the upper end of the upper piston, the lower end of the lower piston is a lower sealing portion attached to the inner wall of the pump body, the lower end of the upper piston is an upper sealing portion attached to the inner wall of the pump body, an annular ventilation groove is formed in the inner wall of the pump body between the upper sealing portion and the lower sealing portion. The utility model discloses there is not the phenomenon of dripping, and the jet power is moderate.

Description

Hand-pressing type spray pump

Technical Field

The utility model belongs to the technical field of the spraying spare part, in particular to hand spray pump.

Background

The spraying is used for fields such as cosmetics, and the atomizing pump is one of them key spare part, and traditional atomizing pump is after pressing, and the liquid blowout in the pump body, at the spun in-process, the pressure in the pump body reduces gradually, and later stage leads to liquid can not atomize because the pressure in the pump body is not enough, leads to the phenomenon of dripping, and in addition, traditional atomizing pump regards as supercharging device with the spring, and the jet force is too strong.

Disclosure of Invention

The utility model aims at overcoming the shortcoming that the prior art has the phenomenon of dripping and the injection force is too strong, providing a hand spray pump, no dripping phenomenon, the injection force is moderate.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a hand-press type spray pump comprises a pump body, a sealing ring positioned at the bottom end of the pump body, and a sealing ball positioned at the bottom end of the pump body, wherein the sealing ball is positioned at the upper side of the sealing ring, and is characterized by further comprising a lower piston inserted at the upper end of the pump body, an upper piston sleeved at the upper end of the lower piston, and a spring positioned in the pump body and used for driving the lower piston to move towards the direction away from the pump body, the upper end of the upper piston is provided with a through hole, the lower end of the lower piston is a lower sealing part attached to the inner wall of the pump body, the lower end of the upper piston is an upper sealing part attached to the inner wall of the pump body, an annular ventilation groove is arranged between the upper sealing part and the lower sealing part, the pump body is provided with a hole between the ventilation groove and the lower sealing part, an annular liquid permeation groove is arranged between the lower sealing part and the sealing ball, the lower piston is in interference fit with the upper piston, a spring seat is arranged in the lower piston, the lower end of the spring seat is connected to the upper end of the liquid suction section, the upper end of the spring is abutted against the lower piston, the spring sleeve is arranged on the spring seat, and the sealing ball is located between the spring seat and the sealing ring. In the process that the upper piston is pressed down, liquid flows out of the through hole, outside air enters the bottle from the through hole, the situation that the pressure in the bottle is too low and the residual liquid in the pump body enters the bottle from the through hole is avoided, and the phenomenon of water dripping is avoided; in addition, the utility model discloses go out the liquid with liquid reaction force mode, the jet power is moderate, in addition, simple to operate. The spring holder is used for the guide spring, and in addition, the spring holder is used for the spacing of sealing ball.

Preferably, the pump body comprises an upper piston pipe section, a lower piston pipe section and a liquid suction section which are sequentially arranged from top to bottom and are coaxial, the inner diameter of the upper piston pipe section is larger than that of the lower piston pipe section, the inner diameter of the lower piston pipe section is larger than that of the liquid suction section, an upper sealing part is connected in the upper piston pipe section in a sliding mode, the lower sealing part is connected in the lower piston pipe section in a sliding mode, the hole is located in the bottom end of the upper piston pipe section, and the sealing ring and the sealing ball are located in the liquid suction section. Simple structure and convenient installation.

Preferably, the upper piston pipe section is further sleeved with a bottle cap, the bottle cap comprises a helicoid with internal threads and an inward turned flanging located on the upper end face of the helicoid, the pump body further comprises an outward turned flanging located on the upper end of the upper piston pipe section, the outward turned flanging abuts against the lower side of the inward turned flanging, and the upper piston penetrates through the inward turned flanging. The bottle opening is convenient to install on the bottle, and meanwhile, the flanging is extruded on the inner flanging to achieve sealing by utilizing the bottle opening, and the structure is simple.

Preferably, the pump body is of an integrally formed structure. The production is convenient.

Preferably, the inner wall of the spiral ring is fixedly connected with an annular clamping bulge at the lower side of the outward flanging, and the cross section of the clamping bulge is arc-shaped. The bottle cap and the pump body are installed in a clamping mode.

Preferably, the upper side of the inner flanging is fixedly connected with a limiting cylinder, the upper end of the limiting cylinder is inserted with a connecting seat, the upper end of the inner wall of the limiting cylinder is provided with a limiting protrusion, the lower end of the outer wall of the connecting seat is provided with a second limiting protrusion, the connecting seat is connected with the limiting cylinder in a sliding mode, the second limiting protrusion is located below the limiting protrusion, the connecting seat is provided with a liquid outlet, and the upper end of the upper piston is inserted into the lower end of the connecting seat and fixedly connected with the. The connecting seat is used for connecting the pressing head.

As preferred, the connecting seat includes that sliding sleeve, rigid coupling are annular backup pad on the sliding sleeve inner wall, the spacing arch of second is located the sliding sleeve lower extreme, it has and is annular first card limit, second card limit to go up piston outer wall upper end rigid coupling, the lower rigid coupling of first card limit is on last piston, the rigid coupling is followed on last piston on the second card limit, first card limit is located second card limit top, up crescent from down is followed to first card limit external diameter, up is reduced gradually from down to up to second card limit external diameter, last edge on first card limit is supported and is leaned on the backup pad downside, first card limit, second card limit all with sliding sleeve interference fit, sliding sleeve inner wall lower extreme is equipped with the chamfer. The chamfer is convenient for installation.

The utility model has the advantages that: the utility model has no water dripping phenomenon and moderate jetting force; simple to operate, simple structure.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the ambient atmosphere passing through the aperture as the upper seal moves to the vent slot;

FIG. 3 is a schematic view of the liquid passing holes in the pump body when the lower seal portion is moved to the permeate tank.

In the figure: the pump body 1, the sealing ball 2, the lower piston 3, the spring 4, the lower sealing portion 5, the upper sealing portion 6, the ventilation groove 7, the hole 8, the liquid permeation groove 9, the sealing ring 10, the upper piston pipe section 11, the lower piston pipe section 12, the liquid absorption section 13, the outward flanging 14, the bottle cap 15, the screw ring 16, the inward flanging 17, the limiting cylinder 18, the connecting seat 19, the limiting protrusion 20, the second limiting protrusion 21, the liquid outlet 22, the upper piston 23, the through hole 24, the clamping protrusion 25, the sliding sleeve 26, the supporting plate 27, the first clamping edge 28, the second clamping edge 29, the chamfer 31 and the spring seat 32.

Detailed Description

The invention will be further explained in detail with reference to the drawings and the following detailed description:

example (b):

referring to fig. 1 to 3, a hand-press type spray pump comprises a pump body 1, a sealing ring 10 positioned at the bottom end of the pump body 1, a sealing ball 2 positioned at the bottom end of the pump body 1, a lower piston 3 inserted at the upper end of the pump body 1, an upper piston 23 sleeved at the upper end of the lower piston 3, and a spring 4 positioned in the pump body 1 and used for driving the lower piston 3 to move away from the pump body 1, wherein the inner wall of the upper piston 23 is positioned on one conical surface, the outer wall of the lower piston 3 is positioned on the other conical surface, and the lower piston 3 is in interference fit with the upper piston 23; a spring seat 32 is arranged in the lower piston 3, the lower end of the spring seat 32 is connected to the upper end of the liquid suction section 13, the upper end of the spring 4 is abutted against the lower piston 3, the spring 4 is sleeved on the spring seat 32, and the sealing ball 2 is positioned between the spring seat 32 and the sealing ring 10; the upper end of the upper piston 23 is provided with a through hole 24, the lower end of the lower piston 3 is provided with a lower sealing part 5 attached to the inner wall of the pump body 1, the lower end of the upper piston 23 is provided with an upper sealing part 6 attached to the inner wall of the pump body 1, the inner wall of the pump body 1 is provided with an annular ventilation groove 7 between the upper sealing part 6 and the lower sealing part 5, the pump body 1 is provided with a hole 8 between the ventilation groove 7 and the lower sealing part 5, and the pump body 1 is provided with an annular liquid-permeable groove 9 between the lower sealing part 5 and the sealing ball 2; the pump body 1 comprises an upper piston pipe section 11, a lower piston pipe section 12 and a liquid suction section 13 which are sequentially arranged from top to bottom and are coaxial, the inner diameter of the upper piston pipe section 11 is larger than that of the lower piston pipe section 12, the inner diameter of the lower piston pipe section 12 is larger than that of the liquid suction section 13, an upper sealing part 6 is connected in the upper piston pipe section 11 in a sliding mode, a lower sealing part 5 is connected in the lower piston pipe section 12 in a sliding mode, a hole 8 is formed in the bottom end of the upper piston pipe section 11, and a sealing ring 10 and a sealing ball 2 are located in the liquid suction section 13; the upper piston pipe section 11 is further sleeved with a bottle cap 15, the bottle cap 15 comprises a helicoidal ring 16 with internal threads and an inward turned flanging 17 positioned on the upper end surface of the helicoidal ring 16 and turned inwards, the pump body 1 further comprises an outward turned flanging 14 positioned on the upper end of the upper piston pipe section 11, the outward turned flanging 14 abuts against the lower side of the inward turned flanging 17, and the upper piston 23 penetrates through the inward turned flanging 17; an annular clamping bulge 25 is fixedly connected to the inner wall of the spiral ring 16 at the lower side of the outer flanging 14, and the cross section of the clamping bulge 25 is arc-shaped; the pump body 1 is of an integrally formed structure; a limiting cylinder 18 is fixedly connected to the upper side of the inner flange 17, a connecting seat 19 is inserted into the upper end of the limiting cylinder 18, a limiting bulge 20 is arranged at the upper end of the inner wall of the limiting cylinder 18, a second limiting bulge 21 is arranged at the lower end of the outer wall of the connecting seat 19, the connecting seat 19 is in sliding connection with the limiting cylinder 18, the second limiting bulge 21 is positioned below the limiting bulge 20, a liquid outlet 22 is arranged on the connecting seat 19, and the upper end of the upper piston 23 is inserted into the lower end of the connecting seat 19 and fixedly connected with the connecting seat 19; connecting seat 19 includes that sliding sleeve 26, rigid coupling are annular backup pad 27 on sliding sleeve 26 inner wall, the spacing arch 21 of second is located sliding sleeve 26 lower extreme, it has and is annular first card limit 28, second card limit 29 to go up piston 23 outer wall upper end rigid coupling, the lower rigid coupling of first card limit 28 is on last piston 23, follow the rigid coupling on second card limit 29 on last piston 23, first card limit 28 is located second card limit 29 top, up crescent from down is followed to first card limit 28 external diameter, second card limit 29 external diameter is from up reducing gradually down, first card limit 28 is followed and is supported at backup pad 27 downside, first card limit 28, second card limit 29 all with sliding sleeve 26 interference fit, sliding sleeve 26 inner wall lower extreme is equipped with chamfer 31.

Principle of embodiment:

the lower piston 3, the lower piston pipe section 12 and the sealing ball 2 form a cavity, the helicoidal ring 16 is in threaded connection with a bottle filled with liquid, the outer flanging 14 of the bottle mouth is abutted against the inner flanging 17, when the connecting seat 19 is pressed downwards in use, the upper sealing part 6 and the lower sealing part 5 synchronously descend, the pressure in the cavity rises, liquid is discharged under the reactive force of the liquid, the liquid in the cavity is sprayed out in an atomized manner from the liquid outlet 22, when the upper sealing part 6 slides downwards to the ventilating groove 7, a gap exists between the upper sealing part 6 and the ventilating groove 7, the outside atmosphere enters the bottle after passing through the ventilating groove 7 and the hole 8, the pressure in the bottle is prevented from being too low, in addition, when the upper sealing part 6 continues to slide downwards after passing through the ventilating groove 7, and when the lower sealing part 5 slides downwards to the dripping groove 9, the pressure in the cavity is very small at the moment, in order to prevent the phenomenon, the residual liquid in the cavity flows into the bottle after passing through the liquid permeating groove 9 and the hole 8, so that the dripping phenomenon is prevented.

When the connecting seat 19 is released by hand, the spring extends, the upper piston 23 and the lower piston 3 move upwards, the pressure in the cavity is reduced, the sealing ball 2 is separated from the sealing ring 10, and liquid enters the cavity from the bottle through the liquid suction section 13 for next use.

Claims

1. A hand-press type spray pump comprises a pump body, a sealing ring positioned at the bottom end of the pump body, and a sealing ball positioned at the bottom end of the pump body, wherein the sealing ball is positioned at the upper side of the sealing ring, and is characterized by further comprising a lower piston inserted at the upper end of the pump body, an upper piston sleeved at the upper end of the lower piston, and a spring positioned in the pump body and used for driving the lower piston to move towards the direction away from the pump body, the upper end of the upper piston is provided with a through hole, the lower end of the lower piston is a lower sealing part attached to the inner wall of the pump body, the lower end of the upper piston is an upper sealing part attached to the inner wall of the pump body, an annular ventilation groove is arranged between the upper sealing part and the lower sealing part, the pump body is provided with a hole between the ventilation groove and the lower sealing part, an annular liquid permeation groove is arranged between the lower sealing part and the sealing ball, the lower piston is in interference fit with the upper piston, a spring seat is arranged in the lower piston, the lower end of the spring seat is connected to the upper end of the liquid suction section, the upper end of the spring is abutted against the lower piston, the spring sleeve is arranged on the spring seat, and the sealing ball is located between the spring seat and the sealing ring.

2. The hand pump according to claim 1, wherein the pump body comprises an upper piston tube section, a lower piston tube section and a liquid suction section which are arranged from top to bottom and are coaxial, the upper piston tube section has an inner diameter larger than that of the lower piston tube section, the lower piston tube section has an inner diameter larger than that of the liquid suction section, the upper sealing portion is slidably connected in the upper piston tube section, the lower sealing portion is slidably connected in the lower piston tube section, the hole is formed in the bottom end of the upper piston tube section, and the sealing ring and the sealing ball are located in the liquid suction section.

3. A hand pump according to claim 2 wherein the upper piston tube section is further provided with a cap which includes an internally threaded coil, an inwardly turned flange on the upper end of the coil, and an outwardly turned flange on the upper end of the upper piston tube section, the flange abutting against the underside of the flange, the upper piston passing through the flange.

4. A hand pump according to claim 3 wherein the pump body is of unitary construction.

5. The hand-press type spray pump as claimed in claim 3, wherein the inner wall of the spiral ring is fixedly connected with an annular clamping protrusion at the lower side of the outward flanging, and the cross section of the clamping protrusion is circular arc-shaped.

6. The hand-press type spray pump as claimed in claim 3, wherein a limiting cylinder is fixedly connected to the upper side of the inner flange, a connecting seat is inserted into the upper end of the limiting cylinder, a limiting protrusion is provided on the upper end of the inner wall of the limiting cylinder, a second limiting protrusion is provided on the lower end of the outer wall of the connecting seat, the connecting seat is slidably connected to the limiting cylinder, the second limiting protrusion is located below the limiting protrusion, a liquid outlet is provided on the connecting seat, and the upper end of the upper piston is inserted into the lower end of the connecting seat and fixedly connected to the connecting seat.

7. The hand-press type spray pump as claimed in claim 6, wherein the connecting seat comprises a sliding sleeve, a supporting plate fixed on the inner wall of the sliding sleeve in a ring shape, the second limiting protrusion is located at the lower end of the sliding sleeve, the upper end of the outer wall of the upper piston is fixedly connected with a first clamping edge and a second clamping edge in a ring shape, the lower edge of the first clamping edge is fixedly connected to the upper piston, the upper edge of the second clamping edge is fixedly connected to the upper piston, the first clamping edge is located above the second clamping edge, the outer diameter of the first clamping edge is gradually increased from bottom to top, the outer diameter of the second clamping edge is gradually decreased from bottom to top, the upper edge of the first clamping edge abuts against the lower side surface of the supporting plate, the first clamping edge and the second clamping edge are both in interference fit with the sliding sleeve, and the lower end of the inner wall of the sliding sleeve.