KR20160117992A

KR20160117992A - Low-viscoucity Oil Dispenser Pump

Info

Publication number: KR20160117992A
Application number: KR1020150046171A
Authority: KR
Inventors: 김학찬; 배영무
Original assignee: (주)연우
Priority date: 2015-04-01
Filing date: 2015-04-01
Publication date: 2016-10-11
Also published as: WO2016159714A1

Abstract

The present invention relates to a low viscosity oil dispenser pump, and more particularly, to a low viscosity oil dispenser pump having a stem 110 formed with an upper ring member 111 at an upper portion thereof, a cylinder housing 120 having a check valve 122 at a lower end opening 121, A piston 130 coupled to a lower end of the stem 110 so as to be able to move up and down in the cylinder housing 120 and having a discharge vent hole 131 formed on a lower side thereof, A lower ring member 150 coupled to the upper side of the cylinder housing 120 and a spring 160 (not shown) between the upper ring member 111 and the lower ring member 150. [ Wherein the dispenser pump comprises:
The sealing member (140)
And an upper protruding ring portion 142 and a lower protruding ring portion 143 respectively formed on the upper side and the lower side of the sealing member 140 so as to protrude from the outer surface of the sealing member 140 by a predetermined distance d, And is made of a material having elasticity of Shore A hardness (Shore A) of 40 to 80. The low viscosity oil dispenser pump (100)

Description

Low-viscousity Oil Dispenser Pump [0001]

The present invention relates to a low viscosity oil dispenser pump, and more particularly, to a low viscosity oil dispenser pump having a stem 110 having an upper ring member 111 formed at an upper portion thereof, a cylinder housing 120 having a check valve 122 at a lower end opening 121, A piston 130 coupled to a lower end of the stem 110 so as to be able to move up and down in the cylinder housing 120 and having a discharge vent hole 131 formed on a lower side thereof, A lower ring member 150 coupled to the upper side of the cylinder housing 120 and a spring 160 (not shown) between the upper ring member 111 and the lower ring member 150. [ Wherein the dispenser pump comprises:

The sealing member (140)

And an upper protruding ring portion 142 and a lower protruding ring portion 143 respectively formed on the upper side and the lower side of the sealing member 140 so as to protrude from the outer surface of the sealing member 140 by a predetermined distance d, And is made of a material having elasticity of Shore A hardness (Shore A) of 40 to 80. The low viscosity oil dispenser pump (100)

Cosmetic, detergent and other containers containing liquid or paste-like contents are connected to dispenser pumps in the openings so that the contents can be discharged by a predetermined amount.

There are various conventional inventions for such a dispenser pump. One example of such a dispenser pump is a dispenser pump (Korean Patent No. 10-0456814) of the following patent document 1, a screw cap 2 A button 3 provided on the upper end of the screw cap 2 and having a nozzle 4 formed thereon and a stem 6 coupled to a lower portion of the button 3 to communicate with the nozzle 4, A cylinder housing 10 having an upper end coupled to the screw cap 2 and a lower end opening 15 provided with a check valve 14 and a cylinder housing 10 having a check valve 14, The dispenser pump according to any one of claims 1 to 3, further comprising a piston (9) coupled to the lower end of the piston (9) and a sealing member (12) An upper ring member 22 whose position is regulated by the upper portion of the piston 9, Between further comprising a lower ring member 24 is disposed, the upper ring member 22 and the lower ring member 24, there is disclosed a configuration of a pump dispenser of the spring 8 is tanseol.

The conventional dispenser pump includes a stem 110 having an upper ring member 111 formed at an upper portion thereof and a cylinder housing 120 having a check valve 122 at a lower end opening 121, A piston 130 coupled to a lower end of the stem 110 so as to be able to move up and down in the cylinder housing 120 and having a discharge hole 131 formed in a lower side thereof, A lower ring member 150 coupled to the upper side of the cylinder housing 120 and a lower spring member 140 coupled between the upper ring member 111 and the lower ring member 150. [ The sealing member 160 is generally made of a PE material.

However, in the case of such a conventional dispenser pump, the frictional force between the cylinder housing 120 and the sealing member 140 due to the use of a PE material having a relatively low elasticity and a Shore A hardness of about 85 The initial operating sensitivity of the pump (i.e., the initial operating load force required to operate the pump) is relatively large, about 1 Kgf, so that when the contents are discharged with a relatively high viscosity such as cream or lotion There is no problem that the contents are rapidly discharged due to the attenuation of the discharge intensity due to the frictional force of the contents due to the high viscosity on the discharge path. However, in the case of discharging a low-viscosity oil having a low viscosity, the frictional force of the contents is relatively small due to the low viscosity on the discharge path, so that the contents are suddenly discharged and the contents are splashed.

1, the structure of the sealing portion 141 of the sealing member 140 is perpendicular to the direction toward the outside from the central axis of the piston, that is, in the up-and-down operating direction (Indicated by a black arrow in Fig. 1), and thus the operation thereof is unstable and unstable at the time of pumping operation. In addition, there is almost no space between the sealing member 140 and the cylinder housing 120, and the swelling phenomenon in which the contents flow out to the outside beyond the sealing member 140 as indicated by the dotted arrow in Fig. There is a problem that this can happen.

Korean Patent No. 10-0456814

Disclosure of the Invention The present invention has been made to solve the above problems of the prior art and it is an object of the present invention to provide a sealing member made of a material having elasticity of Shore A hardness (Shore A) 40 to 80, The present invention provides a dispenser pump that is provided with a ring portion and is suitable for discharging low viscosity oil by reducing initial sensitivity and operational sensitivity.

In addition, the operating direction and the elastic direction of the sealing member are made to be horizontal to each other, thereby increasing the stability during the operation of the pump, securing a predetermined space between the sealing member and the housing to prevent swelling caused by the contents, The problem is to do.

The low viscosity oil dispenser pump of the present invention includes a stem 110 having an upper ring member 111 formed at an upper portion thereof and a cylinder housing A piston 130 coupled to a lower end of the stem 110 so as to be able to move up and down in the cylinder housing 120 and having a discharge hole 131 formed on a lower side thereof, A lower ring member 150 coupled to the upper side of the cylinder housing 120 and a lower ring member 150 coupled to the upper ring member 111 and the lower ring member 150, And a spring (160) is disposed between the first and second discharge chambers,

The sealing member (140)

And an upper protruding ring portion 142 and a lower protruding ring portion 143 respectively formed on the upper side and the lower side of the sealing member 140 so as to protrude from the outer surface of the sealing member 140 by a predetermined distance d, And is made of a material having elasticity of 40 to 80 Shore A hardness (Shore A).

The predetermined distance d is 1.0 to 2.0 mm.

1 shows a structure and operation of a dispenser pump according to an embodiment of the present invention;
1 illustrates the structure and operation of a low viscosity oil dispenser pump according to an embodiment of the present invention;

Hereinafter, a low viscosity oil dispenser pump according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. First, it should be noted that, in the drawings, the same components or parts are denoted by the same reference numerals whenever possible. In describing the present invention, a detailed description of known functions and configurations incorporated herein will be omitted so as to avoid obscuring the subject matter of the present invention.

2, the low viscosity oil dispenser pump of the present invention includes a stem 110 having an upper ring member 111 formed on a top thereof and a cylinder housing 120 having a check valve 122 on a lower end opening 121 A piston 130 coupled to a lower end of the stem 110 so as to be able to move up and down in the cylinder housing 120 and having a discharge hole 131 formed on a lower side thereof, A lower ring member 150 coupled to the upper side of the cylinder housing 120 and a lower ring member 150 coupled between the upper ring member 111 and the lower ring member 150 Wherein the sealing member 140 is disposed on the upper side of the sealing member 140 such that the sealing member 140 protrudes from the outer surface of the sealing member 140 by a predetermined distance d, An upper protruding ring portion 142 formed on the lower side and a lower protruding ring portion 142 formed on the lower side Ex ring, and further comprising a (143), characterized by consisting of a material having elasticity of the Shore A hardness (Shore A) 40 ~ 80. Here, the constitution and operation of the other components except for the configuration of the sealing member 140 are the same as those of the above-mentioned existing inventions, and a detailed description thereof will be omitted.

If the Shore A hardness (Shore A) of the sealing member 140 is less than 40 degrees, the overlapping portions between the cylinder housing 120 and the sealing member 140 are weakened, (Inclusive of oil), the useability is deteriorated due to leakage of the contents. When the Shore A hardness (Shore A) is 80 degrees or more, the frictional force between the sealing member 140 and the cylinder housing 120 is large, There is a phenomenon that the contents are splashed and can not be applied to the low viscosity contents. Therefore, the Shore A hardness (Shore A) of the sealing member 140 preferably has a hardness between 40 and 80 degrees.

2, the upper protruding ring portion 142 and the lower protruding ring portion 142 may be formed between the sealing member 140 and the cylinder housing 120 so that the predetermined gap d may be 1.0 to 2.0 mm. It is preferable to form the space s of the predetermined capacity, which is separated from the upper side and the lower side by the lower electrode 143. Due to the space s, even when a phenomenon occurs in which the contents pass over the lower protruding ring portion 143 during the lowering operation as indicated by the dotted arrow in FIG. 2, the overturned contents stay in the space s In the rising operation, the water is returned beyond the lower protruding ring portion 143 and is not discharged to the outside, so that the swelling phenomenon of the contents flowing out to the outside beyond the sealing member 140 can be prevented.

Since the direction of the elasticity applied to the upper protruding ring portion 142 and the lower protruding ring portion 143 is the same as the direction indicated by the black arrow in Fig. 2, And has a horizontal direction with respect to the operating direction of the battery 140. Accordingly, not only the stability during pump operation is increased, but also the smooth operation is possible while maintaining the sealing force. 1, in the case of the conventional method in which the operating direction of the sealing member 140 and the operating direction of the elastic force are perpendicular to each other as shown in FIG. 1, when the elastic force is interfered with the operation of the sealing member 140 2, the upper protruding ring portion 142 and the lower protruding ring portion 143 are resilient, as shown in FIG. 2, in the low viscosity oil dispenser pump 100 according to the embodiment of the present invention, Since the direction of deformation (that is, the direction of action of the elastic force) conforms to the operating direction of the sealing member 140 and has a horizontal direction, not only the stability during pump operation is increased, .

As described above, the sealing member 140 is made of a material having elasticity of 40 to 80 Shore A hardness (Shore A). The sealing member 140 may be made of urethane, NBR, TPE, SEBS, TPM, and the like can be selected and used.

According to the present invention having the above-described configuration, the initial sensitivity was found to be reduced from 1 kgf to 0.5 kgf and the operating sensitivity to 0.5 to 0.8 kgf at 1 to 2 kgf, It is confirmed that the content is improved and the pressing strength during operation is improved, which is suitable for discharging low viscosity oil.

In the foregoing, optimal embodiments have been disclosed in the drawings and specification. Although specific terms have been employed herein, they are used for purposes of illustration only and are not intended to limit the scope of the invention as defined in the claims or the claims. Therefore, those skilled in the art will appreciate that various modifications and equivalent embodiments are possible without departing from the scope of the present invention. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

100: Low viscosity oil pump
110: stem 111: upper ring member
120: cylinder housing 121: opening
122: Check valve
130: Piston 131: Discharge hole
140: sealing member
141:
142: upper protruding ring portion 143: lower protruding ring portion
150: Lower ring member
160: spring

Claims

A stem 110 having an upper ring member 111 formed thereon,
The lower end opening 121 is provided with a cylinder housing 120 having a check valve 122,
A piston 130 coupled to a lower end of the stem 110 so as to be able to move up and down in the cylinder housing 120 and having a discharge vent hole 131 formed on a lower side thereof,
A sealing member 140 coupled to the periphery of the piston 130 so as to be vertically movable at a predetermined interval,
A lower ring member 150 coupled to the upper side of the cylinder housing 120,
Wherein a spring (160) is tacked between the upper ring member (111) and the lower ring member (150)
The sealing member (140)
And an upper protruding ring portion 142 and a lower protruding ring portion 143 respectively formed on the upper side and the lower side of the sealing member 140 so as to protrude from the outer surface of the sealing member 140 by a predetermined distance d, And is made of an elastic material having elasticity of Shore A hardness (Shore A) of 40 to 80. The low viscosity oil dispenser pump (100)

The method according to claim 1,
Wherein the predetermined interval (d) is 1.0 to 2.0 mm.