CN207497256U - A kind of hand foam pump - Google Patents

Abstract

The utility model discloses a kind of hand foam pumps, belong to foam pump technical field.Button is socketed with inside the upper cover, button cushion rubber is arranged on the button, the key inside is provided with piston rod, the upper cover of piston rod is equipped with piston rod cushion rubber, the piston rod outer cover is equipped with by key spring, the key inside offers spring resettlement groove, the upper cover is connect with pedestal, check valve silicon rubber cup is provided on the pedestal, the pedestal forepart is equipped with bottleneck check valve, the bottleneck check valve lower end is provided with the second bead, vapour-liquid valve compressing member is installed below the pedestal, its structure is simple, reasonable design, foam effect is good, it is slidingly sealed between piston rod and button and cylinder body using rubber ring realization, sealing effect is good, during work, it is not directly contacted between piston rod and button and cylinder body, with wear-resisting, it is durable, the features such as long lifespan.

Description

A kind of hand foam pump

Technical field：

The utility model is related to a kind of hand foam pumps, belong to foam pump technical field.

Background technology：

Usually said foam pump is to apply pressure by the liquid to being filled in inside closed container or other content object Power, the liquid-to-air for making it internal contacts to be sprayed so as to form foam.This structure is typically used in storage cosmetics, medicine In the closed container of product or food.But traditional foam pump is due to the design in structure, soft, careful, equal how to provide On the problem of uniform abundant foam, there are still many deficiencies, while between the piston and cylinder body of existing foam pump directly It contacts with each other and is slidably connected, not wear-resisting, short life, poor sealing.

Utility model content：

In view of the above-mentioned problems, the technical problem to be solved by the present invention is to provide a kind of hand foam pumps.

The hand foam pump of the utility model, it include upper cover 1, button 2, button cushion rubber 2-1, by key spring 2-2, bottom Seat 3, check valve silicon rubber cup 3-1, piston rod 4, piston rod cushion rubber 4-1, vapour-liquid valve compressing member 5, silica gel pad 5-1, air outlet valve glue Circle 5-2, the first bead 5-3, spring 5-4, check-valves 5-5, foaming tube 6, go out foam mouth 7, bottleneck check valve 8, the second glass Pearl 8-1 and silica gel pad 8-2 is socketed with button 2 inside the upper cover 1, and the button 2 is internally provided with piston rod 4, institute 4 outer cover of piston rod stated is equipped with by key spring 2-2, and spring resettlement groove, the button bullet are offered inside the button 2 Spring 2-2 one end is socketed by spring resettlement groove and 2 inside of button, and the upper cover 1 connect with pedestal 3, set on the pedestal 3 Check valve silicon rubber cup 3-1 is equipped with, 3 forepart of pedestal is equipped with bottleneck check valve 8, and 8 lower end of bottleneck check valve is set The second bead 8-1 is equipped with, 8 upper end of bottleneck check valve is equipped with silica gel pad 8-2, and 3 lower section of pedestal is installed There is vapour-liquid valve compressing member 5, the vapour-liquid valve compressing member 5 is internally provided in silica gel pad 5-1, the silica gel pad 5-1 Portion is provided with check-valves 5-5, and the check-valves 5-5 lower ends, which are provided with below spring 5-4, the spring 5-4, is provided with the Silica gel pad 5-1,5 lower section of vapour-liquid valve compressing member are provided with below one bead 5-3, the first bead 5-3 Foaming tube 6 is provided with, 5 lower end of vapour-liquid valve compressing member is equipped with out foam mouth 7, and the foaming tube 6 is located at foam Inside mouth 7.

Preferably, button cushion rubber 2-1 is arranged on the button 2.

Preferably, piston rod cushion rubber 4-1 is arranged on the piston rod 4.

The beneficial effects of the utility model：Its structure is simple, reasonable design, and foam effect is good, piston rod and button with It is slidingly sealed between cylinder body using rubber ring realization, sealing effect is good, not straight between piston rod and button and cylinder body during work Contact has the features such as wear-resisting, durable, long lifespan.

Description of the drawings：

For ease of explanation, the utility model is described in detail by following specific implementations and attached drawing.

Fig. 1 is the configuration schematic diagram of the utility model；

Fig. 2 is the feed liquor fundamental diagram of the utility model；

Fig. 3 is the blebbing fundamental diagram of the utility model.

Reference numeral：Upper cover 1, button 2, button cushion rubber 2-1, by key spring 2-2, pedestal 3, check valve silicon rubber cup 3-1, work Stopper rod 4, piston rod cushion rubber 4-1, vapour-liquid valve compressing member 5, silica gel pad 5-1, air outlet valve cushion rubber 5-2, the first bead 5-3, bullet Spring 5-4, check-valves 5-5, foaming tube 6, go out foam mouth 7, bottleneck check valve 8, the second bead 8-1, silica gel pad 8-2.

Specific embodiment：

As shown in Figure 1-Figure 3, present embodiment uses following technical scheme：It includes upper cover 1, button 2, button glue Enclose 2-1, by key spring 2-2, pedestal 3, check valve silicon rubber cup 3-1, piston rod 4, piston rod cushion rubber 4-1, vapour-liquid valve compressing member 5, Silica gel pad 5-1, air outlet valve cushion rubber 5-2, the first bead 5-3, spring 5-4, check-valves 5-5, foaming tube 6, go out foam mouth 7, Bottleneck check valve 8, the second bead 8-1 and silica gel pad 8-2 are socketed with button 2, the button 2 inside the upper cover 1 On be arranged with button cushion rubber 2-1, the button 2 is internally provided with piston rod 4, piston rod is arranged on the piston rod 4 Cushion rubber 4-1,4 outer cover of piston rod, which is equipped with, presses key spring 2-2, and spring resettlement groove, institute are offered inside the button 2 That states is socketed by key spring 2-2 one end by spring resettlement groove and 2 inside of button, and the upper cover 1 is connect with pedestal 3, described Pedestal 3 on be provided with check valve silicon rubber cup 3-1,3 forepart of pedestal is equipped with bottleneck check valve 8, the bottleneck list 8 lower end of valve is provided with the second bead 8-1,8 upper end of bottleneck check valve is equipped with silica gel pad 8-2, the bottom 3 lower section of seat is equipped with vapour-liquid valve compressing member 5, and the vapour-liquid valve compressing member 5 is internally provided with silica gel pad 5-1, the silicon Check-valves 5-5 is provided in the middle part of glue gasket 5-1, the check-valves 5-5 lower ends are provided under spring 5-4, the spring 5-4 Side is provided with below the first bead 5-3, the first bead 5-3 and is provided with silica gel pad 5-1, the vapour-liquid valve pressure Tight 5 lower section of part is provided with foaming tube 6, and 5 lower end of vapour-liquid valve compressing member is equipped with out foam mouth 7, the foaming tube 6 In going out inside foam mouth 7.

Present embodiment operation principle is：During feed liquor, button 2 is back to original position by by key spring 2-2 effects, in cylinder body Portion generates vacuum, and liquid enters cylinder interior from bottleneck check valve 8, while air enters gas storage at check valve silicon rubber cup 3-1 Cylinder interior；During blebbing, pressing keys 2, check valve silicon rubber cup 3-1 sealings force the air inside air reservoir to enter inlet channel, The second bead 8-1 at bottleneck check valve 8 blocks inlet simultaneously, does not allow liquid to upstream, and liquid is washed spring 5-4 open and stopped Return valve 5-5, flowed out out of check-valves 5-5 gaps, air mix with liquid at vapour-liquid valve at this time, finally foamed pipe 6 with go out Foam mouth 7 sprays.

The basic principle of the utility model and main feature and the advantages of the utility model has been shown and described above.One's own profession The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description Only illustrate the principle of the utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model is also Various changes and modifications are had, these various changes and improvements fall within the scope of the claimed invention.The utility model Claimed range is defined by the appending claims and its equivalent thereof.

Claims (3)

1. a kind of hand foam pump, it is characterised in that：It includes upper cover (1), button (2), button cushion rubber (2-1), button bullet Spring (2-2), pedestal (3), check valve silicon rubber cup (3-1), piston rod (4), piston rod cushion rubber (4-1), vapour-liquid valve compressing member (5), Silica gel pad (5-1), air outlet valve cushion rubber (5-2), the first bead (5-3), spring (5-4), check-valves (5-5), foaming tube (6), go out foam mouth (7), bottleneck check valve (8), the second bead (8-1) and silica gel pad (8-2), the upper cover (1) is interior Portion is socketed with button (2), and the button (2) is internally provided with piston rod (4), and the piston rod (4) outer cover is equipped with and presses Key spring (2-2), the button (2) is internal to offer spring resettlement groove, and described passes through spring by key spring (2-2) one end With being socketed inside button (2), the upper cover (1) is connect resettlement groove with pedestal (3), is provided on the pedestal (3) unidirectional Valve silicon rubber cup (3-1), the pedestal (3) forepart are equipped with bottleneck check valve (8), and described bottleneck check valve (8) lower end is set The second bead (8-1) is equipped with, described bottleneck check valve (8) upper end is equipped with silica gel pad (8-2), the pedestal (3) Lower section is equipped with vapour-liquid valve compressing member (5), and the vapour-liquid valve compressing member (5) is internally provided with silica gel pad (5-1), described Check-valves (5-5) is provided in the middle part of silica gel pad (5-1), the check-valves (5-5) lower end is provided with spring (5-4), described Spring (5-4) below be provided with the first bead (5-3), be provided with silica gel pad below first bead (5-3) (5-1), the vapour-liquid valve compressing member (5) lower section are provided with foaming tube (6), the installation of described vapour-liquid valve compressing member (5) lower end There is foam mouth (7), it is internal that the foaming tube (6) is located at foam mouth (7).

2. a kind of hand foam pump according to claim 1, it is characterised in that：Be arranged on the button (2) by Key cushion rubber (2-1).

3. a kind of hand foam pump according to claim 1, it is characterised in that：It is arranged on the piston rod (4) Piston rod cushion rubber (4-1).