JP2003137322A - Screw member and container using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a screw member which can be screwed and unscrewed by a simple operation in a short time. SOLUTION: The container has a bottle 20 formed with a cylindrical take-out port 24 and a cylindrical cap 10 for detachably covering the take-out port 24. It includes an external thread 26 formed on a side face of the port 24 of the bottle 20 and extending toward a tip of the port 24, and a first groove 28 formed in the thread 26. An internal thread 16 formed on an inner peripheral surface of the cap 10 along a center axis of the inner peripheral surface and to be screwed with the external thread 26 and a second groove 18 formed in the internal thread 16 are provided. A width of the first groove 28 in an approximately right-angled direction to the screwing direction of the external thread 26 is formed such that the internal thread 16 can be fitted in the center axis direction of a body of the container. A width of the second groove 18 in an approximately right-angled direction to the screwing direction of the internal thread 16 is formed in such a length that the external thread 26 can be fitted therewith.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a screw member having a male screw member and a female screw member for engaging and disengaging a male screw member and a female screw member, and a container using the same.

[0002]

2. Description of the Related Art Conventionally, a screw member provided with a male screw member and a female screw member is screwed while rotating the female screw member relative to the male screw member when engaging or disengaging. Or unscrew.

Such screw members are also used in bottles and caps that are commercially available in which beverages such as tea and juice are put. Such a bottle has a bottomed cylindrical container body, and a cylindrical outlet having a small diameter is integrally formed at the upper end of the container body. A male screw is formed on the outer surface of the outlet. Further, a female screw is formed inside the cap, and the female screw is screwed into the outlet of the container body and is detachably attached.

[0004]

In the case of the conventional bottle and cap described above, when the cap is attached to or detached from the container body, the cap is rotated many times with respect to the container body for screwing and unscrewing. It must be done, which is tedious and time consuming.

The present invention has been made in view of the above problems of the prior art, and provides a screw member that can be screwed and unscrewed by a simple operation in a short time, and a container using the screw member. The purpose is to

[0006]

SUMMARY OF THE INVENTION The present invention is a screw member having a male screw member and a female screw member, wherein the male screw member has a cylindrical main body, and a side surface of the main body has a central axis direction of the main body. And a first groove formed between the male screw portion and a male screw portion in which a part of a spiral male screw is formed in parallel with the male screw portion toward the tip of the main body. The upper female screw member has a cylindrical inner peripheral surface through which the main body of the male screw member is inserted, and a screwing direction formed on the inner peripheral surface and parallel to the central axis direction of the inner peripheral surface. And a second groove portion formed between the female screw portion and a female screw portion formed with a female screw to be screwed into the male screw portion. The width of the first groove portion in the direction substantially perpendicular to the screwing direction of the male screw member is formed so that the female screw portion can be fitted in the central axis direction of the main body. The width of the groove portion in a direction substantially perpendicular to the screwing direction of the female screw member is formed to have a length capable of fitting the male screw portion.

Further, the container of the present invention is a screw member having a bottle in which a cylindrical outlet is formed and a cylindrical cap which detachably covers the outlet, and is provided on a side surface of the outlet of the bottle. A male screw portion formed with a part of a spiral male screw formed toward the tip of the outlet and a first groove portion formed between the male screw portions are provided. Then, a female screw portion formed on the inner peripheral surface of the cap and formed in a screwing direction parallel to the central axis direction of the inner peripheral surface and formed with a female screw to be screwed into the male screw portion, A second groove portion formed between the female screw portions is provided. The width of the first groove portion in a direction substantially perpendicular to the screwing direction of the male screw member is formed so that the female screw portion can fit in the central axis direction of the main body, and the width of the second groove portion is The width of the female screw member in a direction substantially perpendicular to the screwing direction is set to a length with which the male screw portion can be fitted.

In the screw member of the present invention, when the male screw member and the female screw member are screwed together, the female screw member is fitted into the male screw member and moved to the vicinity of the tightening position. At this time, the female screw portion of the female screw member passes through the first groove portion of the male screw portion, and the male screw portion of the male screw member passes through the second groove portion of the female screw member. Then, the female screw member is rotated with respect to the male screw member to a tightening position where the female screw protrusion of the female screw member and the male screw protrusion of the male screw portion are screwed together. At this time, in the state where the male screw member and the female screw member are securely tightened, the male screw portion and the female screw portion are substantially overlapped with each other and screwed together.

When the male screw member and the female screw member are unscrewed, the female screw member is removed from the male screw member until the female screw protrusion of the female screw member and the male screw protrusion of the male screw portion are separated from each other. Rotate in the opposite direction to when the female screw was attached to release the screwing. Then, the female screw member is moved to the end of the male screw member and removed.

When the cap is fitted into the outlet of the bottle, the female screw portion is aligned with the first groove portion,
The male screw portion is aligned with the second groove portion, the cap is fitted into the outlet, and the cap can be fixed by rotating the cap so that the male screw portion and the female screw portion are screwed together. did. At this time, in a state where the male screw member and the female screw member are securely tightened, the male screw portion and the female screw portion are substantially overlapped with each other and screwed together, and the bottle outlet port is attached to the inner wall surface of the upper surface portion of the cap. The edges are in contact with each other in a watertight and airtight state. When removing the cap from the outlet of the bottle, the cap is rotated by a predetermined angle in the opposite direction to that when the cap is attached, and the screwing is released. Then, the cap is moved linearly in the direction of the central axis to the end of the outlet and removed.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. 1 to 3 show an embodiment of the present invention, which is a cap 10 and a bottle 20 which are screw members of a container which is commercially available in which a drink such as tea or juice is put.

The cap 10 has a cylindrical side surface 12, and an upper surface portion 14 for closing an opening of the side surface 12 is integrally formed at one end of the side surface 12. The inner wall surface of the upper surface portion 14 has an upper end surface 24a of an outlet 24 of the bottle 20 described later.
A watertight packing (not shown) that comes into contact with is attached. The inner peripheral surface of the side surface 12 of the cap 10 is divided into six equal sections along the circumferential direction, and between the female screw section 16 formed in three sections and the pair of female screw sections 16. The second groove portions 18 located at three positions are alternately provided. A boundary line between the female screw portion 16 and the second groove portion 18 is formed along the central axis direction of the side surface 12. The female screw portion 16 is formed with a female screw projection 19 which is a part of a female screw formed along the inner peripheral surface of the side surface 12 and extending in a clockwise spiral toward the upper surface portion 14. Female screw protrusion 1
A plurality of 9 are formed and provided in parallel with each other. The second groove portion 18 is the inner peripheral surface of the side surface 12 of the cap 10 and is flat without any unevenness.

The bottle 20 to which the cap 10 is attached has a bottomed cylindrical container body 22.
A cylindrical outlet 24 having a small diameter is integrally formed at the upper end of the. The outer surface of the outlet 24 is divided into 6 equal sections along the circumferential direction, and the male screw portion 2 of the 3 sections is divided.
6 and the first groove portion 28 located between the pair of male screw portions 26.
Are provided alternately. The boundary line between the male screw portion 26 and the first groove portion 28 is formed along the central axis direction of the outlet 24. The male screw portion 26 is a part of the male screw which is formed along the outer surface of the outlet 24 and extends in a clockwise spiral toward the upper end surface 24 a of the outlet 24.
0 is formed. A plurality of male screw protrusions 30 are formed and provided in parallel with each other, and when the cap 10 is attached to the outlet 24 of the bottle 20, the male screw protrusions 30 are offset from the female screw protrusions 19 of the cap 10 and are screwed together. It is provided. The first groove portion 28 is the outer peripheral surface of the outlet 24 and is flat without any unevenness.

Next, a method of using the cap 10 and the bottle 20 of this embodiment will be described. When attaching the cap 10 to the bottle 20, the outlet 2 of the bottle 20
4 is covered with the cap 10 and moved to the vicinity of the tightening position. At this time, the female screw portion 18 of the cap 10 is attached to the bottle 2
0 through the first groove 28 of the outlet 24, the male screw portion 26 of the outlet 24 through the second groove 18 of the cap 10,
The male screw protrusion 30 of the male screw portion 26 and the female screw protrusion 19 of the female screw portion 18 pass without hitting each other. Then, the cap 10 is rotated clockwise with respect to the bottle 20 toward the container body 22 of the bottle 20 by about 60 ° which is an angle that is equally divided into six. As a result, the male screw protrusion 30 of the male screw portion 26 and the female screw protrusion 19 of the female screw portion 16 are screwed together, and the upper end surface 24a of the outlet 24 is cap 10.
The cap 10 is attached to a packing (not shown) on the inner side to be pressed to be watertight, and the cap 10 is attached to the bottle 20.

When removing the cap 10 from the bottle 20, the same angle as when the cap 10 is closed with respect to the bottle 20 is rotated counterclockwise toward the container body 22 of the bottle 20. As a result, the screw engagement between the male screw protrusion 30 of the male screw portion 26 and the female screw protrusion 19 of the female screw portion 16 is released. Then, the cap 10 is connected to the outlet 2 of the bottle 20.
4 can be removed by linearly moving it to the upper end surface 24a.

The cap 10 and the bolt 20 of this embodiment
According to the configuration, the cap 10 can be engaged with the bottle 20 with certainty because the structure is simple and the attachment / detachment operation is easy.
At the time of attachment, since the plurality of female screw protrusions 19 of the female screw portion 16 and the plurality of male screw protrusions 30 of the male screw portion 26 are screwed with each other, they are securely and strongly engaged. Furthermore, the female screw portion 16 of the cap 10 passes through the first groove portion 28 of the outlet 24 of the bottle 20, the male screw portion 26 of the outlet 24 passes through the second groove portion 18 of the cap 10, and the male screw portion 26 of Since the male screw protrusion 30 and the female screw protrusion 19 of the female screw portion 18 pass straightly without hitting each other, the cap 10 can be moved to the vicinity of the tightening position of the outlet 24 in a short time without rotating. . Then, the male screw protrusion 3 can be formed only by rotating an angle of about 1/6 of the circumference of the cap 10.
Since 0 and the female screw protrusion 19 can be screwed together, it does not take many turns to rotate the cap 10 when attaching and detaching,
It is convenient.

The screw member of the present invention is not limited to the above embodiment, but the number of male and female screws, the inclination angle,
The cross-sectional shape can be set freely. Further, each groove portion and the male screw portion or the female screw portion may be provided in four or more sections in addition to each of the three sections. Although it is possible to engage in two sections, three or more sections are preferable because of imbalance in the engaging force.

The screw member of the present invention can also be used for the bolt 32 and the nut 34 as shown in FIG. The cylindrical outer surface of the main body of the bolt 32 is divided into six equal sections along the circumferential direction, and the first section is located between the male thread section 34 of the three sections and the pair of male thread sections 34. Groove 3
6 are provided alternately. The boundary line between the male screw portion 34 and the first groove portion 36 is formed along the central axis direction of the bolt 32 main body. A male screw protrusion 38 is provided on the male screw portion 34.
The cross-sectional shape of the male screw projection 38 substantially perpendicular to the longitudinal direction is substantially triangular. The first groove portion 36 is the outer peripheral surface of the bolt 32 main body and is flat without any unevenness.

The inner surface of the nut 34 is divided into six equal sections along the circumferential direction, which are located between the female thread section 40 of the three sections and the pair of female thread sections 40. The two groove portions 42 are alternately provided. Then, the female screw portion 40
A boundary line between the second groove portion 42 and the second groove portion 42 is formed along the central axis direction of the nut 34. The female screw portion 40 has a female screw protrusion 4
4 is formed, and the cross-sectional shape of the female screw projection 19 substantially perpendicular to the longitudinal direction is substantially triangular.

Next, a method of using the bolt 32 and the nut 34 will be described. First, the bolt 32 is inserted into a mounting hole of an arbitrary member, the nut 34 is inserted from the tip portion 32a of the bolt 32 protruding from this member, and the nut 34 is moved until it abuts on this member. At this time, the male screw portion 34 of the bolt 32 passes through the first groove portion 28 of the nut 34, and the nut 3
The male screw portion 34 of No. 4 passes through the first groove portion 36 of the bolt 32, and the male screw protrusion 34 and the female screw protrusion 44 pass without hitting each other. Then, the nut 34 is rotated clockwise toward the bolt 32 by a distance of 6 equal to the bolt 32 in the circumferential direction. As a result, the male screw protrusion 38 of the male screw portion 34 and the female screw protrusion 44 of the female screw portion 40 are screwed with each other, and the bolt 32 and the nut 34 are attached while sandwiching an arbitrary member.

According to the bolt 32 and the nut 34, since the female screw portion 40 and the male screw portion 38 are screwed with each other, they are securely engaged with each other. The nut 34 can be inserted into any position of the bolt 32 without rotating,
Even if any member is thin or the bolt 32 is long,
The nut 34 can be immediately moved to the vicinity of the tightening position, and the working time can be shortened. Since it can be engaged only by rotating the cap 10 for a predetermined distance, it does not require many rotations of the cap 10 when attaching or detaching, which is convenient.

[0022]

The screw member and the container using the same according to the present invention have a simple screw portion structure, and can be easily attached and detached to reliably engage the male member and the female member. Further, the female member can be immediately moved to the vicinity of the tightening position of the male member, and the working time can be shortened. Further, since the female member and the male member are screwed together only by rotating them by a predetermined distance, it is convenient and easy to attach and detach.

[Brief description of drawings]

FIG. 1 is a partially cutaway perspective view showing a cap and a bolt according to an embodiment of the present invention.

FIG. 2 is a plan view showing a bottle of this embodiment.

FIG. 3 is a perspective view showing a cap of this embodiment.

FIG. 4 is a perspective view of a nut (a) and a bolt (b) showing a modified example of the screw member of the present invention.

[Explanation of symbols]

10 cap 12 sides 14 Upper surface 16 Female thread 18 Second groove 19 Female screw protrusion 20 bottles 22 Container body 24 Exit 24a upper end surface 26 Male screw part 28 First groove 30 Male screw protrusion

Claims (2)

[Claims] 1. A male body having a male screw member and a female screw member, wherein the male screw member has a cylindrical main body, and a spiral male screw formed on a side surface of the main body in a central axis direction of the main body. A male screw portion consisting of a portion, and one or a plurality of first groove portions formed between the male screw portion and not formed with a male screw are provided,
The upper female screw member has a cylindrical inner peripheral surface, and a female screw portion formed on the inner peripheral surface and having a female screw formed in the central axis direction of the inner peripheral surface to be screwed into the male screw portion, A second groove portion formed between the female screw portions is provided, and the width of the first groove portion in a direction substantially perpendicular to the screwing direction of the male screw member is such that the female screw portion is the center of the main body. The width of the second groove portion is formed so that it can be fitted in the axial direction, and the width of the second groove portion in a direction substantially perpendicular to the screwing direction of the female screw member is formed to a length that allows the male screw portion to be fitted. A screw member characterized by being provided. 2. A bottle having a cylindrical outlet, and a cylindrical cap that detachably covers the outlet, the bottle being formed on a side surface of the outlet of the bottle and at a tip of the outlet. A male screw part in which a part of the spiral male screw facing is formed, and a first groove part formed between the male screw parts is provided, which is formed on the inner peripheral surface of the cap and screwed into the male screw part. A female screw portion formed with a female screw to be fitted and a second groove portion formed between the female screw portions are provided, and the first groove portion is substantially perpendicular to the screwing direction of the male screw member. The width in the direction is formed so that the female screw portion can be fitted in the central axis direction of the main body, and the width of the second groove portion in a direction substantially perpendicular to the screwing direction of the female screw member is , The male screw part is formed to a length that can be fitted, and when the cap is fitted to the outlet of the bottle, The female screw portion is aligned with the first groove portion, the male screw portion is aligned with the second groove portion, and the cap is fitted into the outlet, and the male screw portion and the female screw portion are screwed together. A container characterized in that the cap can be fixed by rotating the cap.