JP4542968B2 - Extra lead case - Google Patents

Description

  The present invention relates to an extra lead case such as a mechanical pencil.

Many replacement core cases are used in which the lid is slid with respect to the container body to open and close the core outlet.
For example, in Patent Document 1, when a protrusion and a recess are provided on the container body and the lid, respectively, and the centering outlet is closed, the protrusion fits into the recess and the lid is fixed. A refill case is described.

  Further, in Patent Document 2, a protrusion and a protruding wall are provided on the container body and the lid, respectively, and when the centering outlet is slid in a closed state, the protruding wall gets over the protrusion, thereby A replacement core case in which the body is locked is described.

However, as described in these Patent Documents 1 and 2, the protrusions (protrusions) and the recesses (protrusion walls) that are simply provided with the lid fixed, (Protrusions) and the like wear, so that the so-called click feeling at the time of fixing the lid is reduced, and in some cases, it may be difficult to stably fix the lid.
Japanese Utility Model Application Publication No. 4-36947 (refer to FIG. 1, FIG. 2, column 4, lines 3 to 7) Utility Model Application Publication No. 61-12142 (refer to FIG. 1, FIG. 2, FIG. 4, column 4 lines 3 to 10)

  In view of the above-mentioned problems, the present invention can hardly fix the wear, can always fix the lid stably, and the click feeling at the time of fixing the lid also decreases with time. Therefore, an object of the present invention is to provide a spare case that maintains the same click feeling and can easily adjust the click feeling at the design stage.

The above-described problems are solved by the invention having the following configuration, as shown in each of the claims.
(1) A lid fixing member having a centering outlet is attached to the opening of the container main body having an opening at one end, and the centering outlet is slid by sliding a lid body slidably attached to the lid fixing member. In a replacement core case such as a mechanical pencil that opens and closes, the lid fixing member is provided with a pair of support rails that are arranged in parallel with the sliding direction and can be elastically deformed in a direction away from each other. A connecting rod provided on the body is slidably sandwiched between the pair of support rails, and a desired number of recesses are provided on at least one opposing surface of the pair of support rails, and the lid is slid to connect. By engaging the collar with the recess, the lid is stably fixed at each position where the centering outlet is opened and closed.

  (2) In the above item (1), both the pair of support rails can be elastically deformed in a direction away from each other.

  (3) In the above item (1) or (2), a single centering outlet is provided at one end of the lid fixing member in the sliding direction, and a plurality of centering outlets are provided on the other side. A pair of support rails are provided between both core outlets, and recesses are provided at three locations on the opposite surface of the support rail, and one of the two core outlets is opened, or both core outlets When the lid is in the closed state, the connecting rod of the lid engages with any of the recesses to fix the lid.

  (4) In the above item (3), the pair of support rails in the lid fixing member are provided apart from each other in the vertical direction, and the lid body is formed of a member whose right-angle cross section with respect to the sliding direction is downwardly U-shaped. In addition, a connecting rod projecting toward the other wall plate is provided at a substantially central position of one of the front and rear wall plates in the lid body, and the connecting rod is sandwiched between the pair of support rails. A left and right groove is provided on the inner surface of the other wall plate, and a right and left protrusion is provided on the lid fixing member, and the cover is covered with the protrusion fitted in the groove. It is made to slide in the left-right direction with respect to the fixing member.

  (5) In the above item (3) or (4), only one core can enter the inner peripheral surface of the container body on the side of the centering outlet, and A center feed groove is provided at the centering outlet, and a plurality of cores can enter the inner peripheral surface of the plurality of centering outlets, and the core feeding is continuous with the plurality of centering outlets. A groove is provided.

According to the present invention, the following effects can be obtained.
According to the first aspect of the present invention, the connecting rod provided on the lid is sandwiched between a pair of support rails provided on the lid fixing member, and when the lid is slid, the support Since the rails are elastically deformed in the direction away from each other and the connecting rod slides between the supporting rails, the connecting rod and the recess provided on the opposing surface of the supporting rail are hardly worn, and the lid body Can be fixed stably at all times.
Further, the click feeling at the time of fixing the lid is also maintained without decreasing with time.
Furthermore, in the design stage, for example, by selecting an appropriate material and thickness of the support rail, the elastic coefficient in the direction in which the support rails are separated from each other can be easily changed, so that the click feeling can be adjusted. Easy.

  According to the second aspect of the present invention, since both of the pair of support rails are elastically deformed in a direction away from each other, the frictional resistance between the support rail and the connection rod of the lid body is reduced, and therefore the connection rod And the same click feeling can be maintained over a long period of time.

  According to the invention described in claim 3, one or a plurality of centering outlets can be selected and taken out as desired, and the lid is opened when each centering outlet is opened or closed. The body can be fixed stably.

  According to the invention of claim 4, the lid body slides in a state where the connecting rod and the concave groove in the lid body are sandwiched or fitted to the pair of support rails and protrusions in the lid fixing member, respectively. Therefore, the sliding operation of the lid can be performed smoothly without wobbling.

According to the fifth aspect of the present invention, since the lead fed out from the core take-out outlet is only the lead entering the lead feed groove, the next lead is taken out after the lead entering the lead feed groove is taken out. When the lead is taken out, it is usually necessary to perform an operation such as swinging the replacement lead case so that the lead is again inserted into the lead feed groove.
For this reason, for example, when it is desired to take out only one lead, after taking out the first lead, it is possible to prevent a problem that the lead is continuously sent out from the lead outlet.

  1 is a front view of the extra lead case of the present invention, FIG. 2 is an exploded perspective view thereof, FIG. 3 is an enlarged perspective view of a lid body, FIG. 4 is an enlarged perspective view of a lid fixing member, and FIG. It is the IV-IV sectional view taken on the line in FIG.

  As shown in FIGS. 1 and 2, the extra lead case (1) of the present invention includes a container body (2), a lid body (3), and a lid fixing member (4).

  As will be described later, the lid (3) is slidable in the left-right direction within a predetermined range in FIG.

The container body (2) is formed of a transparent bottomed cylindrical container having a rectangular shape with a flat cross section and having an opening (2a) at the upper end.
A core (5) is accommodated inside the container body (2).

  As shown in FIGS. 3 and 5, the lid (3) is formed of a member having a U-shaped cross section perpendicular to the sliding direction, and the width in the left-right direction is substantially the same as that of the container body (2). It is. A downward small piece plate (8) is attached to a substantially central position in the left-right direction on the inner surface (6c) of the front wall plate (6) of the front and rear wall plates (6) and (7) in the downward U-shaped member. A connecting rod (9) is provided on the inner surface of the small piece plate (8) so as to protrude toward the rear wall plate (7). The inner surface (7c) of the rear wall plate (7) is provided with a left and right concave groove (10).

  On the upper surface (11a) of the upper plate (11) of the lid (3), there are a large number of ridges (12) in the front-rear direction for preventing finger slip when sliding the lid (3) in the left-right direction. It is installed side by side.

  As shown in FIGS. 4 and 5, the lid fixing member (4) has side pieces (14) and (14) rising from the left and right ends of the upper surface of the base (13). An upper surface plate (15) is provided at the upper end, and left and right ends of the upper surface plate (15) protrude outward from the left and right sides of the side pieces (14) and (14), and are substantially the same as the left and right width of the container body (2). Is formed.

  A locking projection (13b) is provided at the left and right center of the front plate (13a) in the base (13), and the front plate (13a) is cut upward from the lower end on the left and right sides of the projection (13b). Rarely, the protrusion (13b) can be easily displaced in the front-rear direction due to elasticity.

  The upper surface plate (15) has a truncated cone-shaped core extraction portion (16) (17) provided on the upper surface of the portion protruding from the side pieces (14), (14) to the left and right sides, and this core extraction portion (16 ) (17) and the top plate (15) are provided with vertical centering outlets (16a) and (17a) penetrating them. The left centering outlet (16a) is formed to a size that allows one core to pass through, and the right centering outlet (17a) is formed to have a size that allows a plurality of cores to pass through.

  A left and right ridge (18) is provided at the rear end of the upper left and right central portions of the upper surface plate (15) in a state of protruding rearward from the rear end of the upper surface plate (15).

  A cutout portion (19) cut out in a square shape from the front end is provided in a portion on the left side between the left and right core extraction portions (16), (17) of the upper surface plate (15). Between the top plate (15) and the base (13), a pair of upper and lower support rails (20) and (21) are installed between the left and right side pieces (14) and (14).

  The pair of support rails 20 and 21 can be elastically deformed in the vertical direction away from each other.

  There are three recesses (20a), (20b), (20c), (21a), (21b), (21c) in the front-rear direction at the left and right ends and the center of each opposing surface of the support rails (20, 21). Is provided.

In order to construct the replacement core case (1) by assembling the container body (2), the lid body (3), and the lid fixing member (4), the following procedure is used.
First, as shown in FIG. 5, the lid (3) is assembled to the lid fixing member (4). That is, from the rear upper side of the lid fixing member (4), the concave groove (10) provided in the inner surface (7c) of the rear wall plate (7) in the lid (3) is formed on the upper surface plate in the lid fixing member (4). (15) It is fitted to a ridge (18) provided at the rear end portion, and is provided via a small plate (8) below the center of the front wall plate (6) in the lid (3). After the connecting rod (9) passes through the notch (19) of the upper surface plate (15) in the lid fixing member (4), it is sandwiched between the pair of upper and lower support rails (20) and (21).

  At this time, the position of the lid (3) in the left-right direction is fixed by engaging the connecting rod (9) with the recesses (20b) (21b) at the left and right centers of the support rails (20, 21). At the same time, the two centering outlets (16a) and (17a) in the lid fixing member (4) are closed by the lid (3).

  Next, the lid fixing member (4) assembled with the lid (3) is assembled to the container body (2). That is, as shown in FIG. 5, the base (13) and the pair of support rails (20), (21) in the lid fixing member (4) are connected to the opening (2a) at the upper end of the container body (2). The protrusion (13b) provided in the left and right center of the front plate (13a) of the base (13) is inserted into the container main body (2), and the engagement hole (2b provided in the container main body (2) is provided. The lid fixing member (4) is fixed to the container body (2) and assembled.

In order to take out the core (5) accommodated in the container main body (2) from the centering outlets (16) and (17), the following is performed.
FIGS. 6 and 7 are views showing a state in which the core (5) is taken out from the single core outlet (16a) and the multiple core outlets (17a), respectively.

  First, in order to take out one core (5), the lid (3) is slid rightward as indicated by an arrow A in FIG. In this case, for example, grasp the main body container (2) with four fingers and the palm of the right hand except the thumb of the right hand, press the thumb against the upper surface (11a) of the lid (3), and slide the lid (3) to the right. By doing so, the lid (3) can be easily slid without sliding the thumb on the upper surface (11a) by the ridges (12) arranged in parallel on the upper surface (11a).

  When the lid (3) is slid, the lid (3) is sandwiched between a pair of support rails (20) and (21) in the lid fixing member (4) and provided on the opposing surface of the support rails (20) and (21). The connection rods (9) of the lid (3) engaged with the recesses (20b) (21b) (see FIG. 4) are disengaged, and the pair of support rails (20) (21) are removed. The connecting rod (9) slides between the support rails (20) and (21) in a state in which they are elastically deformed in the directions away from each other.

  The lid (3) is slid rightward until the connecting rod (9) engages with the recesses (20c) (21c) (see FIG. 4) at the right ends of the support rails (20) (21).

  Next, as shown in FIG. 6, when the replacement lead case (1) is tilted obliquely so that the top and bottom are reversed, one lead (5) is taken out from one lead picking outlet (16a). It is.

  As shown in FIG. 2, only one core can enter the inner peripheral surface of the container body (2) on the side of the centering outlet (16a) as shown in FIG. A lead feed groove (22a) continuous to the take-out port (16a) is provided, and similarly, a plurality of cores can enter the inner peripheral surface of the multi-core take-out port (17a) side, and the core A core feed groove (22b) that is continuous with the take-out port (17a) is provided.

  When the core (5) is removed from the centering outlets (16a) and (17a), the core (5) enters the core feed grooves (22a) and (22b) in advance, and then the centering outlet (16a) ( Removed from 17a). Therefore, if the lead (5) cannot be removed smoothly, for example, if the replacement lead case (1) is slightly swung in the inclined state as shown in FIG. 6, the lead (5) can be easily removed. It can be taken out.

  After removal, the top and bottom of the extra lead case (1) is returned to the original position, and the lid (3) is slid again to the original state.

  If it is desired to take out a plurality of cores (5) at the same time, it is easy to incline the replacement core case (1) in the state shown in FIG. 7 from the core outlet (17a) for a plurality of cores. A plurality of cores (5) can be taken out.

It is a front view of the spare lead case of this invention, and has accommodated the lead inside. It is a disassembled perspective view of a spare core case. It is an expansion perspective view of a lid. It is an expansion perspective view of a lid fixing member. It is the IV-IV sectional view taken on the line in FIG. It is a figure which shows the state which takes out a core from the core extraction outlet for one. It is a figure which shows the state which takes out a core from the core extraction exit for multiple pieces.

Explanation of symbols

(1) Extra lead case
(2) Container body
(2a) Opening
(2b) Engagement hole
(3) Lid
(4) Lid fixing member
(5) Core
(6) Front wall board
(6c) Inner surface
(7) Rear wall board
(7c) Inner surface
(8) Small plate
(9) Linkage
(10) Concave groove
(11) Top plate
(11a) Top surface
(12) Projections
(13) Base
(13a) Front plate
(13b) Projection
(14) Side piece
(15) Top plate
(16) (17) Centering part
(16a) (17a) Centering outlet
(18) ridge
(19) Notch
(20) (21) Support rail
(20a) (20b) (20c) (21a) (21b) (21c) Recess
(22a) (22b) Lead feed groove

Claims (5)

A lid fixing member having a centering outlet is attached to the opening of the container body having an opening at one end, and the centering outlet is opened and closed by sliding a lid that is slidably attached to the lid fixing member. In extra lead cases such as mechanical pencils,
The lid fixing member is provided with a pair of support rails that are arranged in parallel to the sliding direction and can be elastically deformed in a direction away from each other, and a connecting rod provided on the lid body is provided between the pair of support rails. And a desired number of recesses are provided on at least one opposing surface of the pair of support rails, the lid is slid, and the connecting rod is engaged with the recesses, A replaceable lead case that is stably fixed at each position for opening and closing the lead outlet.   The replacement core case according to claim 1, wherein both of the pair of support rails can be elastically deformed in a direction away from each other.   In the lid fixing member, one centering outlet is provided at one of both ends in the sliding direction, and a plurality of centering outlets are provided at the other, and a pair of support rails are provided between the both core outlets. Concavities are provided at three locations on the opposing surface of the support rail, and when either one of the two centering outlets is in an open state, or when both centering outlets are in a closed state, the connecting rod of the lid is The replacement core case according to claim 1 or 2, wherein the lid is fixed by engaging with any of the recesses.   A pair of support rails in the lid fixing member are provided apart from each other in the vertical direction, and the lid body is formed of a member whose right-angle cross section with respect to the sliding direction has a downward U-shape. A connecting rod projecting toward the other wall plate is provided at a substantially central position in the left-right direction, and the connecting rod is sandwiched between the pair of support rails, and on the inner surface of the other wall plate, In the state where a concave groove in the direction is provided and a protrusion in the left-right direction is provided in the lid fixing member, and the protrusion is fitted in the concave groove, the lid body is slid in the horizontal direction with respect to the lid fixing member. The replacement core case according to claim 3, which is configured as described above. Among the inner peripheral surfaces of the container body, only one core can enter the inner peripheral surface on the side of the centering outlet, and a plurality of core feeding grooves are provided continuously to the centering outlet. 5. A core feed groove that allows a plurality of cores to enter the inner peripheral surface on the side of the centering outlet for use and that is continuous with the coreing outlet for the plurality of cores is provided. Extra lead case.

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