JP4943251B2 - Cart with tray - Google Patents

Description

  The present invention relates to a cart provided with a tray inside.

In recent years, in a hospital, when a nurse makes a round trip to a hospital room, a cart having a tray inside and a top plate at the upper end is often used as a round trip cart. (For example, see Patent Documents 1 to 3).
On the top plate of this round cart, electronic devices that can view electronic medical records are placed, and for example, blood pressure monitors, thermometers, other measuring devices, bandages, drugs and other necessary items are arranged on the tray. To be accommodated.
JP 2005-046412 A JP 2005-034607 A JP 2007-130183 A

The tray in the conventional cart as described above is either one that can be pulled out forward or a fixed one.
However, when it is used as a round-trip cart, it is convenient that the tray is positioned at the front during round-trips, but when a nurse sits on a chair and inputs data to an electronic device, It is desirable that the tray is located in the rear to ensure the nurse's leg space.

  If the tray is a pull-out type, it seems that both will be satisfied. However, in practice, if the rear limit position of the tray is set so that the nurse's leg space can be secured in front of the tray, the tray will be In this case, it cannot be stably stopped at a convenient position during a round-trip, which is inconvenient after all.

  In view of the above-mentioned problems of the prior art, the present invention makes it possible to easily change the front and rear positions of the tray, so that it can be used for round trips and data inputs when used as a round trip cart. In both cases, an object is to provide a cart with a tray that can stably hold the tray in a position suitable for them.

According to the present invention, the above problem is solved as follows.
(1) In a cart with a tray in which a tray is installed between a pair of left and right side surface components, a pair of left and right tray rails that support both side portions of the tray are arranged on the both side surface components, a front position and a rear position. And can be selectively attached to both positions.

  (2) In the above item (1), each of the pair of left and right tray rails that support both side portions of the tray, wherein the side surface constituting members include a plurality of vertical members and at least one horizontal member. Furthermore, in both the front position and the rear position, a pair of front and rear engaging portions that are detachably engaged with the lateral member in the side surface component member, and in the front position and the rear position, the front surface of any vertical member or any A contact portion that contacts the rear surface of the vertical member to prevent movement of the tray rail in either of the front and rear directions at each position, and a tray receiving portion that supports the left and right side portions of the tray.

  (3) In the above item (1) or (2), the left and right side surface constituent members are connected with a plurality of connecting members so that the front surface is open, and the upper surface of the left and right side surface constituent members has electrons on the upper surface. Provide a top plate on which equipment can be placed.

  (4) In the above item (2) or (3), the plurality of lateral members are provided apart from each other in the vertical direction, and the engaging portion is selectively engageable with the plurality of lateral members. The height of the tray rail and the tray supported thereby can be changed.

  (5) In any one of the above items (2) to (4), each side surface component member includes a plurality of vertical rails facing the vertical direction forming the vertical members, and a plurality of horizontal rails facing the front-rear direction forming the horizontal members. It is assumed that a lattice structure composed of

  (6) In any one of the above items (2) to (5), the engaging portion includes a pair of upper and lower hooks that are elastically engaged with the horizontal member from above and below.

  (7) In any one of the above items (1) to (6), an engagement hole is provided at the front and rear ends of the tray rail, and a stopper that prevents the tray from being pulled out is selectively attached to and detached from the front and rear engagement holes. Mate as possible.

According to the present invention, the following effects can be achieved.
According to the first aspect of the present invention, it is possible to easily change the mounting position of the tray rail in the front-rear direction with respect to the side surface component, thereby easily changing the front-rear position of the tray.
Therefore, when used as a round-trip cart, the tray can be stably held at a position suitable for both round-trip and data entry. The space for the lower limbs of the teacher can be secured.

According to the second aspect of the present invention, the pair of front and rear engaging portions that are detachably engaged with the lateral member of the side surface constituting member at both the front position and the rear position on the pair of left and right tray rails, and the front In the position and the rear position, an abutting portion that abuts the front surface of the arbitrary vertical member and the rear surface of the arbitrary vertical member to prevent the movement of the tray rail in the front-rear direction at each position, and the left and right side portions of the tray Since the tray receiving section for receiving and supporting is provided, the mounting position of the tray rail in the front-rear direction with respect to the side structural member can be easily changed, and thereby the front-rear position of the tray can be easily changed.
In addition, the tray rail comes into contact with the front surface of an arbitrary vertical member and the rear surface of an arbitrary vertical member, regardless of whether the tray rail is mounted at any position on the front and rear of the side surface component. Directional misalignment is reliably prevented.
Therefore, when used as a round-trip cart, the tray can be stably held at a position suitable for both round-trip and data entry. The space for the lower limbs of the teacher can be secured.

  According to invention of Claim 3, the electronic device which can read an electronic medical chart is mounted on a top plate, and the tray is equipped with a tray suitable as a cart for round trips by accommodating small items necessary for round trips. A cart can be provided.

  According to the invention described in claim 4, the height of the tray can be easily changed as necessary.

  According to the fifth aspect of the present invention, the side surface component member can have a simple configuration and can be manufactured at low cost.

  According to the sixth aspect of the present invention, the tray rail can be easily attached to and detached from the side surface constituting member.

  According to the seventh aspect of the present invention, it is possible to select whether the tray can be pulled out to the front of the cart or to the rear depending on whether the stopper is mounted on the front or rear of the tray rail. .

Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.
As shown in FIG. 1, the cart 1 with a tray is used as a round-trip cart in a hospital. The cart main body 2 and upper and lower portions accommodated in the cart main body 2 so as to be able to be drawn out from the front surface of the cart main body 2. It consists of two trays 3 and 4. Among these, the upper tray 3 has a shallow container shape, and the lower tray 4 has a deep container shape, and can accommodate articles having sizes corresponding to respective uses.

  The cart body 2 is fixed to a pair of left and right side surface constituent members 5, a plurality of connecting rods 6 that connect lower and upper portions of the side surface constituent members 5 with predetermined intervals, and the upper ends of the side surface constituent members 5. The top plate 7 is provided. In the illustrated example, a state in which a notebook personal computer PC is placed on the top board 7 is shown.

  Each side surface component member 5 is composed of front and rear pipe members 8a and 8b that are L-shaped in an inverted shape when viewed from the side. A frame 8 having a substantially rectangular frame shape connected to each other by a connecting rod 8c, a caster 9 with a stopper attached to the lower ends of the pipe members 8a and 8b, and a side net attached to the frame 8, that is, a lattice structure 10 And.

  A top plate 7 is attached to the horizontal portion of the frame 8 facing the rear of the upper end of the pipe member 8a on the front side, and a handle 11 is attached to a corner of the front upper end of the pipe member 8a. The operator can move by pushing the cart 1 with the handle.

  The lattice structure 10 is composed of a vinyl-coated wire or the like, and includes a rectangular lattice frame 12 fixed inside a rectangular space surrounded by the pipe members 8a and 8b and the lower connecting rod 8c, and a lattice frame A large number of horizontal rails 13 extending in the vertical direction on the inner side of the frame 12 and facing in the front-rear direction, and a pair of front and rear in a substantially central portion of the lattice frame 12 with a predetermined interval in the front-rear direction. The vertical bars 14 are provided so that the articles stored in the trays 3 and 4 can be seen through the lattice structure 10 even from the side surface of the cart body 2.

  In this example, the horizontal part of the upper part of the pipe member 8b in the frame 8, the lower connecting rod 8c, the upper and lower horizontal parts of the lattice frame 12, and the horizontal rail 13 form a horizontal member, and the vertical parts of the front and rear pipe members 8a and 8b. The vertical portions before and after the lattice frame 12 and the vertical beam 14 form a vertical member.

A pair of left and right tray rails 15 for supporting the trays 3 and 4 so that they can be pulled out forward are attached to the inside of the left and right side surface components 5.
As shown in FIG. 2, the left and right tray rails 15 include a plate-like base portion 16 that is disposed along the cross rail 13 and is long in the front-rear direction, and a tray receiver that extends horizontally inward from the lower edge of the base portion 16. A portion 17, a pair of front and rear upper hooks 18 extending obliquely outward and upward from the front and rear portions of the base portion 16, and elastically engaging any one of the cross rails 13 from above, and inward from the upper edge of the base portion 16 A presser rail 19 that extends horizontally and whose front and rear length is shorter than the front and rear length of the tray receiving portion 17, and extends obliquely outward and downward from the front and rear portions of the base portion 16, and elastically engages one of the horizontal rails 13 from below A pair of front and rear lower hooks 20 and a pair of front and rear longitudinal protrusions 21 projecting from the outer surface of the base 16.

  A pair of front and rear upper hooks 18 and lower hooks 20 are elastically engaged from above and below to a pair of upper and lower horizontal rails 13 and 13 adjacent to each other as horizontal members, so that the tray rail 15 is moved at the front position and the rear position. An engaging portion that is detachably attached to the inside of the side surface component member 5 is formed.

Further, the front and rear positions of the pair of vertically long protrusions 21 abut the front surface of the arbitrary vertical member or the rear surface of the arbitrary vertical member, thereby moving the tray rail 15 in the front-rear direction at each position. A contact portion for blocking is formed.
In the example shown in FIG. 1, the rear protrusion 21 is in contact with the front surface of the rear vertical rail 14 so that the rearward movement of the tray rail 15 is prevented. The forward movement of the tray rail 15 at this time is prevented by the front end (also a contact portion) of the base portion 16 of the tray rail 15 coming into contact with the rear surface of the vertical portion of the front pipe member 8a. However, it may be blocked by the elastic gripping force of the horizontal rails 13 and 13 by the upper and lower hooks 18 and 20.

  As shown in enlarged views in FIGS. 3 and 4, the upper surface of the front and rear ends of the tray receiving portion 17 is provided with an upward protrusion 17 a, which is used when the trays 3 and 4 are pulled out from the tray rail 15. Drawing over the upward protrusion 17a is possible.

As shown in FIGS. 2 to 4, a pair of front and rear longitudinal engagement holes 16 a are provided in the front and rear portions of the base portion 16 of the tray rail 15, and either one of the front and rear engagement holes 16 a is provided. In addition, by selectively fitting the insertion portion 22a provided at the outer end of the plate-like stopper 22, it is possible to selectively prevent the trays 3 and 4 from being pulled forward or rearward. is there.
In the illustrated example, as shown in an enlarged view in FIG. 4, the insertion portion 22 a of the stopper 22 is fitted into the engagement hole 16 a in the rear portion of the base portion 16, thereby preventing the trays 3 and 4 from being pulled out rearward. I have to do it.

The engaging portions inside the hooks 18 and 20 have a shape that substantially complements the outer shape of the cross rail 13.
FIG. 5 shows a method of attaching and detaching the tray rail 15 to the horizontal rail 13. First, the upper rail 18 is tilted so that the upper portion approaches the horizontal rail 13 from the lower portion, and the upper hook 18 is moved upward. The lower hook 20 is elastically applied to the lower surface of the lower horizontal beam 13 by engaging with the horizontal beam 13 from above and turning the lower part close to the horizontal beam 13 with the locking position as the rotation center in this state. The tray rail 15 can be easily mounted on the side surface of the horizontal rail 13. Further, by operating in the reverse order of the mounting order, the tray rail 15 can be easily removed from the side surface constituting member 5, and the mounting positions of the trays 3 and 4 can be freely changed by these.

  As shown in FIG. 6, in a state where the tray 3 (4) is locked to the tray rail 15, the outward flange 3 a (4 a) provided at the upper end opening edge of the tray 3 (4) is placed on the tray receiving portion 17. It is supported movably.

  FIG. 7 shows how the cart 1 is used. Among these, (a) is a state in which the nurse pushes the cart 1 and moves between the nurse center and the hospital room, and (b) is a state in which the nurse pulls out the upper tray 3 from the cart body 2 in the hospital room or nurse center. The cart 1 is used by an operation corresponding to a normal round-trip operation, each showing a state where necessary articles are taken out and replenished. On the other hand, (c) shows a state in which a nurse operates a personal computer PC placed on the top board 7 to organize data on patients and the like at a nurse center or the like.

  When the operations of (a) and (b) in FIG. 7 are often performed, the tray rail 15 is set at the same front position as shown in FIG. 1, and the operation of (c) is often performed. After the trays 3 and 4 are once removed from the tray rail 15, the left and right tray rails 15 are removed from the side component member 5 as described above, and then the front protrusion 21 is formed on the front vertical rail 14. In the rear position where the rear surface abuts, the upper and lower hooks 18 and 20 are elastically gripped from above and below by a pair of lateral rails 13 and 13 adjacent to the upper and lower sides of the side surface component 5 in the same manner as described above. 15 is reattached to the side surface component 5, and then the trays 3 and 4 are remounted on each tray rail 15. At this time, the rear end of the base 16 of the tray rail 15 may come into contact with the front surface of the vertical portion of the rear pipe member 8b so that the rear movement of the tray rail 15 may be prevented. The rearward movement of the tray rail 15 may be prevented by the elastic gripping force of the horizontal rails 13 and 13 by 18 and 20.

  By doing so, as shown in FIG. 7 (c), when the nurse operates the personal computer PC placed on the top board 7, from the front end of the cart 1 to the front ends of the trays 3 and 4 In the meantime, the leg space L for the nurse can be secured.

  In order to prevent the nurse's feet from hitting not only when operating the personal computer but also when moving the cart 1 in (a), the trays 3 and 4 are arranged in advance on the buttocks of the cart body 2 in advance. It may be left.

It is an external appearance perspective view of the state which took out the tray of one Embodiment of this invention. Similarly, it is a perspective view of the left and right tray rails. FIG. 3 is an enlarged view of a circle A in FIG. 2. FIG. 3 is an enlarged view of a circle B in FIG. 2. It is a partial expansion vertical front view which shows the attachment or detachment method of a tray rail. It is a partial expansion vertical front view which shows the state which supported the tray on the tray rail. (a), (b), (c) is explanatory drawing which shows the usage condition of the cart with a tray.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Cart with tray 2 Cart body 3, 4 Tray 3a Outward flange 5 Side component 6 Connection rod 7 Top plate 8 Frame 8a, 8b Pipe material 8c Lower connection rod 9 Casters with stopper 10 Grid structure 11 Handle 12 Grid frame 13 Horizontal rail 14 Vertical rail 15 Tray rail 16 Base 16a engagement hole 17 Tray receiving portion 18 Upper side hook 19 Presser portion 20 Lower side hook 21 Projection portion 22 Stopper 22a Insertion portion 22a Rear stopper piece 30 Chair

Claims (7)

  In a cart with a tray in which a tray is installed between a pair of left and right side members, a pair of left and right tray rails that support both sides of the tray are provided on both side members. A cart with a tray, which can be selectively attached to a position.   Both side surface component members have a plurality of vertical members and at least one horizontal member, and each of a pair of left and right tray rails supporting both side portions of the tray has both a front position and a rear position. A pair of front and rear engaging portions that are detachably engaged with the lateral member of the side surface component member, and in front and rear positions, abut the front surface of any vertical member or the rear surface of any vertical member, The contact part which prevents the movement of the front or rear direction of the said tray rail in each position and the tray receiving part which receives the left and right side part of the said tray are provided. Cart with tray.   2. A top plate on which the left and right side surface constituent members are connected with a plurality of connecting members so that the front surface is open, and an electronic device can be placed on the upper surface above the left and right side surface constituent members. Or the cart with a tray of 2.   The height of the tray rail and the tray supported by it is changed by providing a plurality of lateral members spaced apart from each other in the vertical direction and allowing the engaging portion to selectively engage the plurality of lateral members. The cart with a tray according to claim 2 or 3, which is made possible.   5. The structure according to claim 2, wherein each side surface component member includes a lattice structure composed of a plurality of vertical bars that are vertical members that are vertical members and a plurality of horizontal bars that are horizontal members that are horizontal members. A cart with a tray.   The cart with a tray according to any one of claims 2 to 5, wherein the engaging portion includes a pair of upper and lower hooks that are elastically engaged with the horizontal member from above and below.   The tray according to any one of claims 1 to 6, wherein an engagement hole is provided at the front and rear ends of the tray rail, and a stopper that prevents the tray from being pulled out is selectively detachably fitted to the front and rear engagement holes. Cart with.

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