JP5030085B2 - drawer - Google Patents

Description

  The present invention relates to a drawer having a handle at an upper edge or a lower edge of an end plate and having an operation lever inside the handle.

Conventionally, a latch claw is provided on the end plate, a handle is provided on the end plate, an operation lever is arranged in the handle, and an operation force applied to the operation lever is transmitted to the latch claw to release the latch claw in the latch release direction. There is widely known a drawer provided with a latch claw driving mechanism that is actuated on the screen (for example, see Patent Documents 1 and 2).
Japanese Patent No. 3713609 JP 2004-89220 A

  By the way, in the drawer as in the configuration described in Patent Document 1, since the handle and the operation lever are provided only at the central portion of the end plate, such an opening / closing operation of the drawer is performed only from a position facing the front of the drawer. There is a bug that you can not get. Furthermore, it is necessary to provide a long support shaft between the operation lever and the latch claw drive mechanism, and in order to ensure the strength of such a support shaft, it is necessary to make the support shaft thick. That is, there is a problem that it is necessary to make a large installation space for the support shaft. On the other hand, in the drawer as in the configuration described in Patent Document 2, the handle and the operating lever have dimensions over almost the entire width of the end plate. . However, an operation force transmission mechanism for transmitting the operation force applied to the operation lever to the latch claw drive mechanism is provided as a separate member between the operation lever and the latch claw drive mechanism. There is another bug that makes it complicated.

  The present invention is configured to solve the problems described above.

That is, in the drawer according to the present invention, a latch claw is provided on the end plate, a handle is provided at an arbitrary position in the height direction of the end plate and in almost the entire width direction, an operation lever is arranged in the pull handle, A drawer provided with a latch claw drive mechanism that transmits an applied operating force to the latch claw and actuates the latch claw in the latch release direction, wherein the operation lever has a size that covers almost the entire width of the end plate. A support shaft for pivotally supporting the operation lever to the handle is provided integrally with the operation lever, and a biasing claw for biasing the latch claw driving mechanism is integrally provided on the support shaft . A base plate in which the handle includes a handle main body having a support shaft storage space for storing the support shaft, and a support shaft storage recess for storing the support shaft, and holds the support shaft between the handle main body. And Characterized in that it comprises Te.

  In such a case, since the operation lever has a size covering almost the entire width of the end plate, the operation of operating the latch claw in the latch release direction is performed regardless of the position of the handle. Can do. In addition, a support shaft for pivotally supporting the operation lever with the handle is provided integrally with the operation lever, and a biasing claw for biasing the latch claw driving mechanism is provided integrally with the support shaft. Therefore, most parts of the support shaft are integrated with the operation lever or the urging claw, and by appropriately devising reinforcing means such as a rib provided on the operation lever or the urging claw, the overall rigidity can be secured. In addition, the operation lever, the support shaft, and the urging claw can be reliably operated integrally. That is, with a small number of parts and a simple configuration, the latch pawl can be operated in the latch release direction regardless of the position of the handle.

  In particular, if the latch claw driving mechanism is arranged in the vicinity of the side end of the end plate, and the urging claw is provided in the portion protruding from the end of the operation lever of the support shaft, as described above. In addition, since most part of the support shaft is integrated with the operation lever, the longitudinal dimension of only the support shaft between the operation lever and the urging claw can be shortened, and the strength of the support shaft can be suitably secured. .

  Further, as an aspect for enabling the operation lever to be operated smoothly, there may be mentioned one in which a local bearing portion that supports a predetermined short area of the support shaft is provided in the pull handle. In such a case, since only the predetermined short area of the support shaft is supported by the local bearing portion, the support shaft receives even when there is deformation such as warpage in the support shaft. This is because the resistance can be reduced.

  On the other hand, as an aspect for facilitating the attachment of the support shaft, the operation lever, and the urging claw to the pull handle, the handle includes a handle space opened to the outside and a support shaft storage space for storing the support shaft. The thing which comprised the handle main body and the base plate which obstruct | occludes the support-shaft storage space side of this handle main body is mentioned. If this is the case, the support shaft is sandwiched between the handle main body and the base plate, so that the handle has the support shaft, the operation lever integrally formed with the support shaft, and the support shaft. This is because it is possible to attach an integrally configured biasing claw.

  In particular, the lever body is provided with a lever insertion port for projecting the rotation end side of the operation lever into the handle space, and the biasing claw insertion for projecting the biasing claw to the end plate side on the base plate. If an opening is provided, it is possible to easily realize a mode in which an operation lever is operated in the handle space and an operation force is transmitted from the urging claw to the latch claw urging mechanism inside the end plate.

  In addition, the local bearing portion is provided with a first semicircular ridge and a second semicircular ridge that are formed into an annular shape by abutting each other, and the first semicircular ridge is pulled. If the base plate is provided with a second semicircular arc protrusion on the base plate, the support shaft and the like are easily attached to the handle, and the first main plate and the base plate are joined together. Since the said 1st semicircle protrusion and the 2nd semicircular arc protrusion are faced | matched and the said local bearing part is formed, a support shaft can be made easy to move.

  According to the structure of the drawer according to the present invention, since the operation lever has a size covering almost the entire width of the end plate, the operation of operating the latch claw in the latch releasing direction is performed regardless of the position of the pulling hand. be able to. In addition, a support shaft for pivotally supporting the operation lever to the handle is provided integrally with the operation lever, and a biasing claw for biasing the latch claw driving mechanism is provided integrally with the support shaft. Therefore, most parts of the support shaft are integrated with the operation lever or urging claw, and by appropriately devising reinforcing means such as ribs provided on the operation lever or urging claw, the overall rigidity can be secured. The operation lever, the support shaft, and the urging claw can be reliably operated integrally. That is, with a small number of parts and a simple configuration, the latch pawl can be operated in the latch release direction regardless of the position of the handle.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

  As shown in FIGS. 1 and 2, the wagon W that is the storage furniture according to the present embodiment can be stored in the wagon main body 1 that is the furniture main body, the drawer 2 that can be stored in the wagon main body 1, and the wagon main body 1. A tray 9. 1 is an overall perspective view of the wagon W, and FIG. 2 is a side view of the wagon W.

  Specifically, the wagon body 1 includes a bottom plate 11, a back plate 12 that rises from the rear end edge of the bottom plate 11, side plates 13 and 13 that stand from both left and right edges of the bottom plate 11, and these back plates 12. And a top plate 14 which is provided above the side plates 13 and 13 and connects the upper ends thereof, and the drawer main body 21 of the drawer 2 is housed therein, and is known as a wagon main body of this type of wagon. The configuration is similar to that of the above.

  As shown in FIG. 1, FIG. 2, and FIG. 3 to FIG. 9, the drawer 2 includes a drawer body 21 having a storage space inside, and a front end surface of the storage space positioned in front of the storage space. An end plate 22 having a rear plate portion 221 to be configured and a front plate portion 222 positioned in front of the rear plate portion 221, a handle 23 provided above the end plate 22, and a wagon body 1 provided on the end plate 22 A latch claw 31 that locks the drawer 2 in the retracted position by engaging with a mooring portion (not shown) provided on the inner surface of one side plate 13, an operation lever 32 provided in the handle 23, and this operation A support shaft 33 that pivotally supports the lever 32 with a handle, and an operation force applied to the operation lever 32 is transmitted to the latch claw 31 so that the latch claw 31 is released from the latching direction, that is, the engagement portion is released. Direction It includes a latching pawl drive mechanism 34 for operating, a biasing pawl 35 for biasing the latching pawl driving mechanism 34 receives the operation force is provided integrally with the supporting shaft 33. 3 is a front view of the drawer 2, FIG. 4 is a front view showing a state in which the front plate portion 222 of the end plate 22 and the handle 23 are removed, FIG. 5 is an exploded perspective view of the drawer 2, and FIG. Is an exploded perspective view of the handle 23, FIG. 7 is an xx sectional view in FIG. 3, FIG. 8 is a yz sectional view in FIG. 3, and FIG. 9 is a zz sectional view in FIG. Respectively.

  The drawer body 21 is supported by the wagon body 1 through a drawer support mechanism (not shown) provided in the wagon body 1 so that the space between the storage position and the maximum drawer position can be moved back and forth.

  As described above, the end plate 22 includes the back plate portion 221 constituting the front end surface of the storage space and the front plate portion 222 positioned in front of the back plate portion 221. The back plate 221 is provided upright from the front edge of the bottom wall 211. Further, the back plate portion 221 has a device storage space 22s that opens forward. The latch claw drive mechanism 34 is accommodated in the device storage space 22s. Further, although not described in detail, a lock mechanism (not shown) that can lock the drawer 2 in the storage position is also stored. As described above, the front plate portion 222 is provided in front of the back plate portion 221, and the device storage space 22 s is concealed by the front plate portion 222. A mounting base 223 is provided on the back surface of the front plate portion 222, and a sandwiching piece 224 that is opposed to the back surface of the front plate portion 222 from the mounting base 223 is provided. In FIG. 3, the end plate 22 is indicated by an imaginary line.

  The handle 23 includes a handle body 231 having a handle space 23 s opened to the outside and a support shaft storage space 23 t for storing the support shaft 33, and a base for closing the support shaft storage space 23 t side of the handle body 231. Plate 232. In FIG. 4, the handle 23 is indicated by an imaginary line.

  As shown in FIGS. 5 to 9, the handle main body 231 includes a front wall 231 a that faces the rear surface of the front plate portion, and a first rear wall that is spaced rearward from the center in the width direction of the front wall 231 a. 231b, a second rear wall 231c that rises rearward and downward from both ends in the width direction of the front wall 231a, a side wall 231d that stands rearward from both widthwise ends of the front wall 231a, and a front wall 231a A lever insertion opening 231x provided between the lower portion of the first rear wall 231b and a rear edge of the front wall 231a and an opening side edge of the lever insertion opening 231x. And a first semicircular ridge 231e for supporting the size region. The second rear wall 231c includes a horizontal portion 231c1 extending rearward from the upper end of the front wall 231a, and an upright portion 231c2 rising upward from the rear end of the horizontal portion 231c1. On the other hand, a protrusion 231a1 is provided at the upper end of the front wall 231a so as to protrude forward. Further, the handle space 23s is formed between the front wall 231a and the first rear wall 231b, and the support shaft storage space 23t is formed below the first semicircular ridge 231e. Yes. A locking hole 231h is provided in the front wall 231a so as to be engageable with an engaging protrusion 232k described later provided in the base plate 232.

  On the other hand, as shown in FIGS. 5 to 9, the base plate 232 has a plate shape and a base plate main body 232 a provided with a support shaft storage recess 232 x for storing the support shaft 33, and the handle main body 231. A front wall 232b having an engaging projection 232k that is engaged with a locking hole 231h provided in the front wall 231a, a side wall 232c that is provided upright from both side ends of the base plate body 232a, and left and right side walls Left and right upright plates 232d provided to extend in the direction approaching from the rear end of 232c. In the vicinity of both ends of the support shaft housing recess 232x, second semicircular ridges 232e are provided. The second semicircular ridge 232e, together with the first semicircular ridge 231e, is attached to a predetermined short area of the support shaft 33, specifically, the operating lever 32 is not provided above and is provided below. The local bearing part P provided so that the area | region where the force claws 35 are not provided may be supported is comprised. A biasing claw insertion opening 232 y for projecting the biasing claw 35 provided integrally with the support shaft 33 toward the end plate side 22 is provided at one end of the lower surface of the base plate 232. The front wall 232b is provided with a recess 232b1 positioned behind the other part of the front wall 232b so as to position the clamping piece 224 of the end plate 22 between the front wall 231a of the handle main body 231. ing.

  In the present embodiment, the drawer 2 can be locked at the storage position by using the latch pawl 31, the operation lever 32, the support shaft 33, the latch pawl drive mechanism 34, and the biasing pawl 35. A drawer lock mechanism 3 is provided. Here, in this embodiment, the operation lever 32, the support shaft 33, and the urging claw 35 are all integrally provided as the lever member 3L as described above. The operating lever 32 has a width that is almost the entire width of the end plate 22, more precisely, a width dimension of the handle space 23 s of the handle 23.

  Specifically, the operation lever 32 includes a lever body 321 having a plate shape and a rib portion 322 provided on the rear surface of the lever body 321. The support shaft 33 is connected to the lower end of the operation lever 32 and includes an extending portion 332 provided to extend slightly on both sides. Then, an urging claw 35 is provided so as to extend from one extending portion 331 opposite to the operation lever 32, that is, downward. The urging claw 35 is in contact with one end of the latch claw driving mechanism 34, and when the operating lever 32 receives an operating force, the urging claw 35 receives an operating force from the urging claw 35 to the latch claw driving mechanism 34. To be communicated. The latch pawl drive mechanism 34 and the latch pawl 31 are well known in the art and are provided so that this type of drawer can be locked in the storage position. That is, the latch claw driving mechanism 34 is arranged in the vicinity of the side end of the end plate 22 so that the operation force input to the operation lever 32 is received at one end portion, and the latch claw 31 is provided at the other end portion. In a state where no operating force is input to the operation lever 32, the latch claw 31 is urged in a direction to engage with the mooring portion by using an urging means such as a torsion coil spring (not shown). Is received, the operation force is transmitted and the latch claw 31 is urged in a direction to release the engagement with the mooring portion. Further, a movable range restricting mechanism for restricting the movable range of the operation lever 32 is provided between the handle 23 and the support shaft 33. Specifically, the movable range regulating mechanism is provided with a regulating projection 331 provided on the support shaft 33 so as to project in the same direction as the urging claw 35, and the regulation projection 331 provided on the base plate 232 so as to be accommodated. And a restriction groove 232k, which are engaged with each other. Further, the movable range of the operation lever 32 and the support shaft 33 integrated with the operation lever 32 is restricted by bringing the restriction protrusion 331 into contact with the longitudinal edge of the restriction groove 232m. In addition, a positioning part for positioning the operation lever 32 with respect to the handle 23 is provided between the operation lever 32 and the handle 23. The positioning portion can be engaged with the positioning piece 231f provided to protrude rearward from the center portion in the width direction of the front wall 231a of the main body 231 and the positioning piece 231f at the center portion in the width direction of the operation lever 32. The positioning groove 32m provided is engaged. Further, the upper surface of the center portion in the width direction of the support shaft 33 is slidably contacted with the lower surface of the positioning piece 231f, and the center portion in the width direction of the support shaft 33 is also guided.

  Here, the lever member 3L is assembled to the handle 23 as follows. First, in a state where the support shaft 33 is stored in the support shaft storage recess 232x of the base plate 23, the front wall 231a of the handle main body 231 is provided between the front wall portion and the side wall portion of the base plate 232. While inserting into the slit, the upright plate 232d of the base plate 232 is inserted into the engagement recess provided on the rear surface of the rear wall 231b of the pulling body 231 and then the engagement provided on the front wall 232b of the base plate 232 The protrusion 232k is locked in the locking hole 231h provided in the front wall 231a of the pulling body 231. The pulling body 231 and the base plate 232 are screwed at a plurality of locations. In a state where the handle 23 is assembled in this manner, a slit in which the holding piece 224 is to be disposed is formed between the recess 232b1 of the front wall 232b of the base plate 232 and the front wall 231a of the handle main body 231. ing.

  Then, the front wall portion 231a of the handle main body 231 is attached to the end plate by disposing a holding piece 224 in a slit formed between the recess 232b1 of the front wall 232b of the base plate 232 and the front wall 231a of the pull main body 231. 22, while being positioned between the front plate portion 222 and the clamping piece 224, a locking claw 232 t provided on the base plate main body 232 a and a recess 225 of the locking piece provided upright from the mounting base 223 of the end plate 22. The handle 23 and the lever member 3L are assembled to the end plate 22 by being engaged.

  As described above, the drawer 2 according to the present embodiment has the operation lever 32 having a size that covers almost the entire width of the end plate 22, so that the latch claw can be held regardless of the position of the handle 23. An operation of operating 31 in the latch release direction can be performed. In addition, a support shaft 33 for pivotally supporting the operation lever 32 on the handle 23 is provided integrally with the operation lever 32, and an attachment for biasing the latch claw drive mechanism 34 to the support shaft 33 is provided. Since the force claws 35 are provided integrally, most portions of the support shaft 33 are integrated with the operation lever 32 or the biasing claws 35, and the operation lever 32 or the biasing claws 35 are provided with ribs. The overall rigidity can be ensured, and the operation lever 32, the support shaft 33, and the urging claw 35 can be reliably operated integrally. That is, with a small number of parts and a simple configuration, the latch pawl 31 can be operated in the latch release direction regardless of the position of the handle 23.

  Further, the latch claw driving mechanism 34 is arranged in the vicinity of the side end of the end plate 22, and the urging claw 35 is provided at a portion protruding from the end of the operation lever 32 of the support shaft 33. Most part of the support shaft 33 is integrated with the operation lever 32, and the longitudinal dimension of the portion consisting only of the support shaft 33 between the operation lever 32 and the urging claw 35 can be shortened. That is, the strength of the support shaft 33 can be suitably secured.

  In addition, a local bearing portion P that supports a predetermined short area of the support shaft 33 is provided in the handle 23 so that only the predetermined short area of the support shaft 33 is supported by the local bearing portion P. Even when the support shaft 33 is deformed such as warping, the resistance received by the support shaft 33 can be reduced, and the operation lever 32 can be operated smoothly.

  Further, the handle 23 includes a handle body 231 having a handle space 23 s opened to the outside and a support shaft storage space 23 t for storing the support shaft, and a base plate 232 that closes the support shaft storage space 23 t side of the handle body 231. Can be mentioned. If this is the case, the support shaft 33 is sandwiched between the handle main body 231 and the base plate 232, so that the handle 23 is integrated with the support shaft 33 and the operation lever 32 configured integrally with the support shaft 33. Similarly, it is possible to easily attach the biasing claw 35 integrally formed with the support shaft 33.

  The puller body 231 is provided with a lever insertion port 231x for projecting the rotating end side of the operation lever 32 into the handle space 23s, and the urging claw 35 is projected to the end plate 22 side of the base plate 232. Since the urging claw insertion opening 232y is provided, the operation lever 32 is operated in the handle space 23s, and the operation force is transmitted from the urging claw 35 to the latch claw urging mechanism 34 inside the end plate 22. The aspect can be easily realized.

  Further, the local bearing portion P is provided with a first semicircular ridge 231e and a second semicircular ridge 232e that are formed into an annular shape by abutting each other. Since the semicircular arc ridge 231e is provided on the pulling body 231 and the second semicircular ridge 232e is provided on the base plate 232, the support shaft 33 and the like can be easily attached to the pulling hand 23, and the pulling main body 231 and When the base plate 232 is joined, the local bearing portion P is formed by abutting the first semicircular ridge 231e and the second semicircular ridge 232e, and the support shaft 33 is It can make it easier to move.

  The present invention is not limited to the embodiment described above.

  For example, the latch pawl drive mechanism may be provided at another location, for example, the central portion in the width direction.

  Further, the support shaft may be supported by the handle over the entire region in the width direction. On the other hand, the local bearing portion may be formed by using only one semicircular ridge that abuts the support shaft from below instead of abutting the two semicircular ridges into an annular shape.

  In addition, the movable range regulating mechanism may adopt a configuration other than that according to the above-described embodiment, and the movable range regulating mechanism itself may be omitted.

  Further, the entire handle may be integrally formed, and the direction in which the urging claw protrudes may be any direction.

  As for the positioning mechanism, other configurations may be adopted, and the positioning mechanism itself may be omitted.

  In addition, the handle is not limited to the upper edge portion of the end plate, and may be provided at an arbitrary position in the end direction of the end plate.

  In addition, various modifications can be made without departing from the spirit of the present invention.

The whole perspective view showing the wagon concerning one embodiment of the present invention. The side view which shows the wagon which concerns on the same embodiment. The front view of the drawer of the wagon which concerns on the same embodiment. The front view which shows the state which removed the front-surface board part and pull handle of the end panel of the wagon which concerns on the embodiment. The exploded perspective view of the drawer of the wagon concerning the embodiment. The disassembled perspective view of the handle of the wagon which concerns on the same embodiment. Xx sectional drawing in FIG. Yy sectional drawing in FIG. Zz sectional drawing in FIG.

Explanation of symbols

2 ... Drawer 22 ... End plate 23 ... Pull handle 31 ... Latch claw 32 ... Operation lever 33 ... Support shaft 34 ... Latch claw drive mechanism 35 ... Biasing claw

Claims (8)

A latch claw is provided on the end plate, a handle is provided at an arbitrary position in the height direction of the end plate and almost in the entire width direction, an operation lever is disposed in the handle, and the operation force applied to the operation lever is Is a drawer provided with a latch claw driving mechanism for operating the latch claw in the latch release direction.
The operation lever has a size that covers almost the entire width of the end plate, and a support shaft for pivotally supporting the operation lever on the handle is provided integrally with the operation lever, and the latch claw driving mechanism is biased to the support shaft. It has a biasing claw for the
A base plate in which the handle includes a handle main body having a support shaft storage space for storing the support shaft, and a support shaft storage recess for storing the support shaft, and holds the support shaft between the handle main body. And a drawer characterized by comprising: The drawer according to claim 1, wherein the latching claw driving mechanism is disposed in the vicinity of the side end of the end plate, and the urging claw is provided in a portion protruding from the end of the operation lever of the support shaft. The drawer according to claim 1, wherein a local bearing portion that supports a predetermined short area of the support shaft is provided in the puller. The pull body, with a space worked is open to the outside, the handle main body is provided with a lever insertion hole for protruding the rotating end side of the working space of the operating lever, the group version, The drawer according to claim 1, 2 or 3, wherein an urging claw insertion opening for projecting the urging claw toward the end plate is provided. A first semicircular ridge that is formed in an annular shape by providing a local bearing portion that supports a predetermined short region of the support shaft in the pulling and abutting the local bearing portions with each other, and a second semicircular arc to that a ridge is provided a first semicircular protrusion on the handle main body, according to claim 1, 2, 3 or 4, wherein the second semicircular ridges, characterized in that provided on the base plate Drawer. The drawer according to claim 1, 2, 3, 4, or 5, wherein a movable range regulating mechanism for regulating a movable range of the operation lever is provided between the puller and the support shaft. The drawer according to claim 1, 2, 3, 4, 5, or 6, wherein a positioning mechanism for positioning the operation lever in a width direction is provided between the puller and the operation lever. A latch claw is provided on the end plate, a handle is provided at an arbitrary position in the height direction of the end plate and almost in the entire width direction, an operation lever is disposed in the handle, and the operation force applied to the operation lever is Is a drawer provided with a latch claw driving mechanism for operating the latch claw in the latch release direction.
The operation lever has a size that covers almost the entire width of the end plate, and a support shaft for pivotally supporting the operation lever on the handle is provided integrally with the operation lever, and the latch claw driving mechanism is biased to the support shaft. It has a biasing claw for the
The handle includes a handle body having a handle space opened to the outside and a support shaft storage space for storing the support shaft, and a base plate for closing the support shaft storage space side of the handle body. Drawer characterized by that.

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