CN215852813U - Lightweight degradable square foam pump - Google Patents

Abstract

The utility model relates to a lightweight degradable square foam pump, which is designed aiming at the technical problems that the foam effect is poor and the overall structure needs to be further improved due to poor structural design of the existing like products. The key points are that one end of a valve rod in a pump body of the foam pump is sleeved into a cavity opening at a spring cavity at one end of a pipe in the pump body, a spring is arranged on the outer diameter of a valve needle and the outer diameter of an elastic sleeve in the valve rod, one end of the spring is abutted against the inner top wall of the valve rod, the other end of the spring is abutted against an outer diameter ring rib at one end of the elastic sleeve at the bottom in the spring cavity in the pump body, a hollow hole is arranged at the ring diameter of the elastic sleeve, and the other end of the elastic sleeve is fastened and fixed with a conical head of the valve needle; one end of the two-way valve is sleeved and fixed in a buckling groove in the piston, the inner diameter and the outer diameter of the other end of the two-way valve are respectively provided with a sealing leaf ring, the outer sealing leaf ring of the two-way valve is abutted and sealed with the inner diameter of the piston, and the inner sealing leaf ring of the two-way valve is abutted and sealed with a limiting rib of the outer diameter of a valve rod in the pump body; and pressing the duckbill to drive the valve rod, the piston, the two-way valve and the valve needle to move downwards.

Description

Lightweight degradable square foam pump

Technical Field

The utility model relates to a micro foam pump, in particular to a lightweight degradable square foam pump.

Background

The foam pump is a pump body capable of generating foam ejection, and is generally classified into an industrial foam pump, a fire-fighting foam pump, and a micro foam pump according to the purpose and size thereof. The working principle of the micro foam pump is that certain negative pressure is formed around a liquid column after liquid is sprayed at a high speed, and the negative pressure generates suction gas to enter a mixing part, so that air and liquid are mixed again and quickly pass through a silk screen to form foam. The foam pump is mainly applied to cosmetic bottle containers such as facial cleanser, and the like, such as application number 201610345084.1 published in Chinese patent literature, application publication date 2016.09.07, entitled "pressing type foam pump and spraying amount control method thereof"; the utility model is named as 'lightweight antistatic foam pump and material production process thereof', as published in Chinese patent document with application number 202010425144.7, application publication date 2020.10.16; however, the two structures are combined to form fewer products, and the structure and the effect of the like products are difficult to further improve.

Disclosure of Invention

In order to overcome the defects, the utility model aims to provide a lightweight degradable square foam pump for the field, so that the technical problems that the foam effect is poor and the overall structure needs to be further improved due to poor structural design of the existing like products are solved. The purpose is realized by the following technical scheme.

A lightweight degradable square foam pump is characterized in that a ring groove is formed in the bottom of a pump body of the foam pump, the ring groove protrudes inwards, a glass ball is arranged at a suction pipe in the pump body, a spring sleeve, a valve needle, a valve rod and a piston are arranged in the pump body, the valve needle is sleeved in the valve rod, the valve rod is sleeved with a spray hole in the top of the piston, a step rib is arranged on the inner diameter of the spray hole of the piston at the sleeved position, the inner diameter of a large ring is sleeved in a pump port in the top of the pump body, a pump port in the top of the pump body is fixed in an annular groove in the top of the large ring, a gasket is arranged at the bottom of a pump body edge of the ring groove in the large ring, an inner thread is arranged on an outer ring below the annular groove in the large ring, the valve rod extending out of the piston and the large ring is connected with a duckbill, a filter plug is arranged in a duckbill at the connection position, two ends of the filter plug respectively abut against the duckbill and the piston, a lower wire mesh and an upper wire mesh are respectively arranged at two ends of the filter plug, an outer cover and the large ring are buckled with the duckbill, and the outer cover, the bottom of the duck bill is sleeved in a convex ring of the ring opening at the top of the large ring. The pump is structurally characterized in that one end of a valve rod in the pump body is sleeved into a cavity opening at a spring cavity at one end of a pipe in the pump body, a spring is arranged on the outer diameter of a valve needle and the outer diameter of a spring sleeve in the valve rod, one end of the spring is abutted against the inner top wall of the valve rod, the other end of the spring is abutted against an outer diameter ring rib at one end of the spring sleeve at the bottom in the spring cavity in the pump body, a hollow hole is formed in the ring diameter of the spring sleeve, and the other end of the spring inner spring sleeve is fastened and fixed with a conical head of the valve needle; one end of the two-way valve is sleeved and fixed in a buckling groove in the piston, the inner diameter and the outer diameter of the other end of the two-way valve are respectively provided with a sealing leaf ring, the outer sealing leaf ring of the two-way valve is abutted and sealed with the inner diameter of the piston, and the inner sealing leaf ring of the two-way valve is abutted and sealed with a limiting rib of the outer diameter of a valve rod in the pump body; pressing the duckbill, the duckbill drives valve rod, piston, two-way valve and needle downstream, and above-mentioned filter stopper is the degradable filter stopper of lightweight. The pump body has the advantages of small cavity volume, small occupied space, convenient production and assembly and good foam effect.

The piston is provided with a step ring diameter which is gradually reduced as the upward bulge is formed, the inner diameter of the piston is provided with an inner cavity corresponding to the step ring diameter, a bottom cavity opening of the piston is provided with a piston ring blade, and a step gap is formed between the outer diameter of the step ring diameter of the piston and the inner diameter of a top ring opening of the large ring. The structure is convenient for the further sealing in the pump body through the piston and the reduction of the space occupation of the piston in the pump body.

The large ring, the duckbilled and the outer cover are respectively square.

The utility model has reasonable structural design, convenient use, assembly and production, good stability and sealing performance and small occupied height space of the pump body; is suitable for being used as a foam pump and the structural improvement of the like products.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention, wherein the A and B portions are framed.

Fig. 2 is an enlarged view of a portion a of fig. 1.

Fig. 3 is an enlarged view of a portion B of fig. 1.

The names of the sequence numbers in the figure are: 1. the suction pipe, 2, glass ball, 3, spring, 4, elastic sleeve, 5, valve needle, 6, pump body, 7, valve rod, 8, big circle, 9, piston, 10, two-way valve, 11, gasket, 12, lower wire mesh, 13, duckbilled, 14, filter stopper, 15, go up the wire mesh, 16, dustcoat.

Detailed Description

The utility model will now be further described with reference to the accompanying drawings. As shown in figures 1-3, the foam pump has a ring groove protruding inwards at the bottom of a pump body 6, a glass ball 2 is arranged at a suction pipe 1 in the pump body, a spring 3, a spring sleeve 4, a valve needle 5, a valve rod 7 and a piston 9 are arranged in the pump body, the valve needle is sleeved in the valve rod, the valve rod is sleeved with a spray hole at the inner top of the piston, a step rib is arranged at the inner diameter of the spray hole of the piston at the sleeved position, the inner diameter of a large ring 8 is sleeved in a pump port at the top of the pump body, the pump port at the top of the pump body is fixed in a ring groove at the inner side of the ring at the top, a gasket 11 is arranged at the bottom of a pump body bead at the inner ring groove in the large ring, an internal thread is arranged at the inner ring of an outer ring below the ring groove at the inner side of the large ring, the valve rod extending out of the piston and the large ring is connected with a duckbill 13, a filter plug 14 is arranged in the connection position, two ends of the filter plug are respectively abutted against the duckbill and the piston, a lower wire mesh 12 and an upper wire 15 are respectively arranged at two ends of the filter plug, and an outer cover 16 is buckled with the large ring, the duckbilled sets up in the dustcoat, and the bottom of duckbilled embolias the bulge loop of big circle top circle mouth in. The concrete structure is as follows: the one end of valve rod embolias the spring chamber department accent of the interior siphon one end of the pump body in the pump body, and the needle external diameter and the bullet cover external diameter in the valve rod are equipped with the spring, and the one end and the interior roof of valve rod of spring offset, and the other end of spring and the spring intracavity bottom of the pump body bullet cover one end external diameter circle muscle offset, and the circle footpath department of bullet cover is equipped with the fretwork hole, and the other end of the interior bullet cover of spring is fixed with the conical head lock of needle. One end of the two-way valve 10 is sleeved and fixed in a buckling groove in the piston, the inner diameter and the outer diameter of the other end of the two-way valve are respectively provided with a sealing leaf ring, the outer sealing leaf ring of the two-way valve is abutted and sealed with the inner diameter of the piston, and the inner sealing leaf ring of the two-way valve is abutted and sealed with a limiting rib of the outer diameter of a valve rod in the pump body; and pressing the duckbill to drive the valve rod, the piston, the two-way valve and the valve needle to move downwards. The piston is provided with a step ring diameter which is gradually reduced from the upward bulge, the inner diameter of the piston is provided with an inner cavity corresponding to the step ring diameter, a bottom cavity opening of the piston is provided with a piston ring blade, a step gap is arranged between the outer diameter of the step ring diameter of the piston and the inner diameter of the top ring opening of the large ring, and the large ring, the duckbilled and the outer cover are respectively square.

When the device is used, the outer cover is opened, the duckbill is pressed, and the foam can be sprayed out from the duckbill.

The filter plug is a lightweight degradable filter plug, and the lightweight degradable material comprises the following components in parts by weight: 32 parts of chlorosulfonated polyethylene, 30 parts of nitrile rubber, 50 parts of cassava powder, 8-20 parts of carbon black, 2-4 parts of indirect zinc oxide, 3-5 parts of magnesium oxide, 0.2-1 part of zinc diethyldithiocarbamate, 0.4-1.5 parts of dilauryl thiodipropionate, 0.5-1 part of zinc stearate, 2-4 parts of 2, 2' -dithiodibenzothiazole, 0.3-0.5 part of cyanuric acid, 5-8 parts of trioctyl trimellitate, 1-5 parts of magnesium powder, 2-3 parts of sulfur and 2-4 parts of butyronitrile NBR; mixing the components in parts by weight, putting the mixture into an open mill, mixing to synthesize rubber, and extruding for 5-10 minutes under the conditions that the pressure is 0.3-0.5MPa and the temperature is 45-50 ℃; after the extrusion is finished, putting the rubber into an extruder and extruding the rubber at a certain temperature to obtain the required rubber; the prepared rubber is put into a vulcanization device and is vulcanized for 2 to 8 minutes under the conditions of the pressure of 150-.

Claims (3)

1. A lightweight degradable square foam pump is characterized in that a ring groove is formed in the bottom of a pump body (6) of the foam pump, the bottom of a suction pipe (1) in the pump body is inwards protruded, a glass ball (2) is arranged at the position of the suction pipe (1), a spring (3), a spring sleeve (4), a valve needle (5), a valve rod (7) and a piston (9) are arranged in the pump body, the valve needle is sleeved in the valve rod, the valve rod is sleeved with a spray hole in the top of the piston, a step rib is arranged on the inner diameter of the spray hole of the piston at the position of the sleeved position, the inner diameter of a large ring (8) is sleeved in a pump port at the top of the pump body, the pump port at the top of the pump body is fixed in a ring groove on the inner side of the top of the large ring, a gasket (11) is arranged at the bottom of a bead of the pump body at the position of the large ring, an inner ring groove of the large ring is internally provided with an internal thread, the valve rod extending out of the piston and the large ring is connected with a duckbill (13), a filter plug (14) is arranged in the duckbill at the connection position, and two ends of the filter plug respectively abut against the duckbill and the piston, a lower wire mesh (12) and an upper wire mesh (15) are respectively arranged at two ends of the filter plug, an outer cover (16) is buckled with the large circle, a duckbill is arranged in the outer cover, and the bottom of the duckbill is sleeved in a convex ring of the top circle opening of the large circle; the pump is characterized in that one end of a valve rod (7) in the pump body (6) is sleeved into a cavity opening at a spring cavity at one end of a suction pipe (1) in the pump body, a spring (3) is arranged on the outer diameter of a valve needle (5) in the valve rod and the outer diameter of an elastic sleeve (4), one end of the spring is abutted against the inner top wall of the valve rod, the other end of the spring is abutted against an outer diameter ring rib at one end of the elastic sleeve at the bottom in the spring cavity in the pump body, a hollow hole is formed in the ring diameter of the elastic sleeve, and the other end of the elastic sleeve in the spring is fastened and fixed with a conical head of the valve needle; one end of the two-way valve (10) is sleeved and fixed in a buckling groove in the piston (9), the inner diameter and the outer diameter of the other end of the two-way valve are respectively provided with a sealing leaf ring, the outer sealing leaf ring of the two-way valve is abutted and sealed with the inner diameter of the piston, and the inner sealing leaf ring of the two-way valve is abutted and sealed with a limiting rib of the outer diameter of a valve rod in the pump body; press duckbill (13), the duckbill drives valve rod, piston, two-way valve and needle downstream, and above-mentioned filter stopper is the degradable filter stopper of lightweight.

2. The lightweight degradable square foam pump according to claim 1, wherein the piston (9) is provided with a step ring diameter which is gradually reduced as the upward protrusion is raised, the inner diameter of the piston is provided with an inner cavity corresponding to the step ring diameter, the bottom cavity opening of the piston is provided with a piston ring blade, and a step gap is arranged between the outer diameter of the step ring diameter of the piston and the inner diameter of the top ring opening of the large ring (8).

3. The lightweight degradable square foam pump according to claim 1, characterized in that the large collar (8), duckbill (13) and housing (16) are each square.

Images