JPH09206338A - Restraining structure of standing position retaining mechanism on foldable side fencing - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a foldable side fencing from being unexpectedly folded, by equipping a restraining means on a standing position retaining mechanism. SOLUTION: In a gap G of a trigger member 9, a bending tip part 15a of a stopper member 15 is inserted and engaged by energizing force of a spring member 16 to restrain operation of the trigger member 9 and to keep a side fencing in a standing state. When the side fencing is to be folded, the stopper member 15 is operated to move against energizing force of the spring member 16 to release the bending tip part 15a of the stopper member 15 from the trigger member 9 side, and the trigger member 9 is subjected to gripping operation against energizing force of the spring member 8.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a folding side fence provided with restraining means for holding it in a standing state so that the folding side fence is not inadvertently folded. The present invention relates to a mechanism restraining mechanism.

[0002]

2. Description of the Related Art Currently, side fences provided on beds and the like include:
There are insertable side fences, foldable types, rotating fences, etc. that can be freely inserted into and removed from the insertion holes formed on the side frames. Among them, the folding side fence is composed of a plurality of columns provided so as to be foldable, a horizontal frame provided at the end of the column, and a column standing between the column and the horizontal frame located at the end of the horizontal frame. The present applicant has already applied for a side fence having such a structure, and has actually been commercialized. According to such a structure, when unnecessary, the standing support mechanism is released to fold the support, the support is raised when necessary, and the support is held in the standing position by the standing support mechanism. Is attached to the side frame, and the side fence can be raised and folded as necessary, so there is no need to attach and detach the side fence one by one,
It saves time, does not hinder the patient from getting on and off, and does not hinder the patient from being treated.

[0003]

However, since the side fence is easily released from the upright holding mechanism, if the inadvertent release operation is performed in the upright position, the side fence loses its support. The pillar may fall down into the side frame, and an object or a hand may be caught between the pillars, which is also dangerous. In other words, it can be said that the side fence has a structure that can be easily manipulated. The present invention has been made in order to improve such problems,
An object of the present invention is to provide a folding side fence with a restraining mechanism for a standing side holding mechanism in a folding side fence, in which a restraining means is provided on a means for holding in a standing state so as not to be carelessly folded. I do.

[0004]

In order to solve the above-mentioned problems, the present invention provides a foldable side fence mounted on a side frame such as a bed, wherein a plurality of columns are provided on the side frame so as to be foldable, An upright holding mechanism for attaching a horizontal frame to the top of each of these columns and holding the column in a vertical position between the columns located at the ends of the horizontal frame and the horizontal frame, and allowing the columns to be folded. , And
The upright holding mechanism includes a receiving member attached to the top side of the column, a cover member provided on the horizontal frame side, and a trigger member attached to bias the receiving member side,
The receiving member has a fitting hole in a receiving surface provided so as to face the horizontal frame in the vicinity of the top side of the column, and the cover member has an opening end surface in contact with the receiving surface of the receiving member. Having a guide portion, the trigger member has a slide member that fits vertically into the guide portion and is provided so as to elastically project a pin member from the tip of the slide portion,
A stopper member is provided from the upper surface of the horizontal frame so as to penetrate the horizontal frame and slidably along the horizontal frame, and the stopper member is engaged with a gap provided in the trigger member. The bent end portion, the shaft portion, and an operation portion for performing a movement operation along the horizontal frame on the upper surface of the horizontal frame, so as to constantly urge the trigger member side, the stopper member Against the urging force, on the upper side of the horizontal frame, by moving the operation unit along the horizontal frame, by detaching the bent tip of the stopper member from the trigger member side, operating the trigger member, The restrained state between the horizontal frame and the support can be released. In the above-described configuration, the distal end of the receiving surface of the receiving member is formed to have a tapered portion that is formed to be inclined downward toward the distal end, and is raised by holding the horizontal frame to raise the column, thereby receiving the distal end of the pin member. The side fence is held in an upright state by fitting the tip of the pin member into the fitting hole of the receiving surface while pressing the pin member against the urging force by contacting the tapered portion of the receiving surface of the member. I did it.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a restraining mechanism of a standing holding mechanism in a foldable side fence according to the present invention will be described with reference to the accompanying drawings, with reference to one embodiment. FIG. 1 shows a foldable side fence 1 mounted on a side frame (not shown) of a bed. The side fence 1 is provided with a plurality of columns 3 foldably on a base frame 2 attached to a mounting hole (not shown) in a side frame of the bed, and a horizontal frame 4 is pivotally mounted on the top of the columns 3. An upright holding mechanism 5 is provided between the support 3 located at the end of the horizontal frame 4 and the horizontal frame 4 to hold the support 3 in an upright state or to make the support 3 foldable. Things. As shown in FIG. 2, the upright holding mechanism 5 includes a receiving member 6 attached to the top of the column 3, a cover member 7 provided on the side of the horizontal frame 4, and a spring inside the cover member 7. A trigger member 9 is provided so as to be urged toward the receiving member 6 via the member 8.
The receiving member 6 has an integral structure near the top side of the column 3 and is fixed so as to surround the column 3 and is fixed by screws. The receiving member 6 is provided on a receiving surface 6a provided to face the horizontal frame 4 as described later. A fitting hole 10 for receiving the pin member is formed. The receiving member 6 has a tapered portion 6b formed at the distal end of the receiving surface 6a and inclined downward toward the distal end. The cover member 7 is an outer frame configured to surround the trigger member 9, and is provided with a guide portion 11 so that an opening end surface abuts on a receiving surface 6 a of the receiving member 6. The trigger member 9 is
A partition plate 9a for regulating an operation stroke and a guide frame 9b for a spring member 8 are provided on the inside, and a cover member 7 is provided.
Has a hollow sliding portion 12 fitted so as to move up and down along the guide portion 11. When the trigger member 9 is not operated, the inner side of the partition plate 9a is
That is, there is a gap G on the side where the sliding portion 12 is formed so that the bent tip end portion of a stopper member, which will be described later, is temporarily locked. A pin member 14 is provided on the sliding portion 12 via a spring member 13 so as to always protrude from the tip of the sliding portion 12.

A stopper member 15 is provided so as to penetrate from the upper surface of the horizontal frame 4 so as to cross the inside of the horizontal frame 4 and to be slidable along the horizontal frame 4. That is, the stopper member 15 has a bent front end portion 15 a and a shaft portion 1, the front end of which is engaged with the gap G of the trigger member 9.
5b, and an operation unit 15c for performing a moving operation along the horizontal frame 4 on the upper surface of the horizontal frame 4. The stopper member 15 is provided with a guide projection 15d on the back side of the bent tip 15a, and the cover member 7 and the shaft 15b are provided.
, A shaft portion 15b is always provided with a spring member 16 interposed therebetween.
It is urged toward the trigger member 9 side.

In the restraining mechanism of the upright holding mechanism in the folding side fence constructed as described above, when the side fence 1 is in the upright state, as shown in FIG. Because it is urged to the receiving member 6 side,
The sliding portion 12 is fitted into and abuts on the receiving surface 6a of the receiving member 6 on the top side of the support column 3 along the guide portion 11 of the cover member 7, and the pin member 14 is fitted into the fitting hole 10 from within the sliding portion 12.
Can be fitted to. Further, at this time, the bent end portion 1 of the tip end of the stopper member 15 is inserted into the gap G of the trigger member 9.
5a is engaged by the biasing force of the spring member 16 and cannot be released by grasping the trigger member 9 and the side fence 1 can be kept in the upright state. Therefore, the side fence 1 is not inadvertently folded.

Next, when the side fence 1 is folded, first, the stopper 15 is moved by operating the operating portion 15c along the horizontal frame 4 on the upper surface of the horizontal frame 4 against the urging force of the spring member 16. Then, from the trigger member 9 side, the stopper member 15
Of the trigger member 9
Is performed against the urging force of the spring member 8 (see FIG. 3). Thereby, the sliding portion 1 of the trigger member 9
Since the pin member 14 in the second member 2 is detached from the fitting hole 10, the restrained state of the horizontal frame 4 and the support 3 is released, the support 3 can be lowered, and the state in which the support 3 is folded on the base frame 2. can do. When the trigger member 9 is released from the folded state, the trigger member 9 is released by the spring member 8 so that the sliding portion 12 projects and returns along the guide portion 11 of the cover member 7, and the pin member 14 is moved to the sliding portion 12. And it protrudes from the guide part 11 opening surface. When the trigger member 9 returns,
The bent distal end 15a of the stopper member 15 is engaged and locked by the spring member 16 in the gap G formed between the partition member 9a, and the trigger member 9 is locked.

When the side fence 1 is in the standing state, a plurality of columns 3 are raised with the horizontal frame 4. Then, the tip of the pin member 14 is moved to the receiving surface 6a of the receiving member 6.
, The pin member 14 is pressed by the tapered portion 6b, and the pin member 14 is pushed in against the urging force of the spring member 13.
4 has a fitting hole 10 in the receiving surface 6a of the receiving member 6.
And the side fence can be held in an upright state (see FIG. 4).

[0010]

As described above, according to the present invention, when the side fence is in the upright state, the upright holding mechanism cannot be released by the action of the restraining means. The fence is not folded, and it can be said that it is a preferable mechanism for safety.

[0011]

[Brief description of drawings]

FIG. 1 is an explanatory side view showing an example of a foldable side fence to which a restraining mechanism of a standing holding mechanism according to the present invention is applied.

FIG. 2 is an enlarged cross-sectional explanatory view of an essential part of the side fence standing position holding mechanism shown in FIG.

FIG. 3 is an enlarged sectional explanatory view of a main part of a side fence standing holding mechanism shown in FIG. 1;

4 is an enlarged sectional explanatory view of a main part of a side fence standing holding mechanism shown in FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Side fence 2 Base frame 3 Support 4 Horizontal frame 5 Standing holding mechanism 6 Receiving member 6a Receiving surface 6b Tapered portion 7 Cover member 8 Spring member 9 Trigger member 9a Partition plate 9b Guide frame 10 Fitting hole 11 Guide portion 12 Sliding Moving part 13 Spring member 14 Pin member 15 Stopper member 15a Bending tip part 15b Shaft part 15c Operation part 15d Guide projection part 16 Spring member G Gap

Claims (2)

[Claims] 1. A foldable side fence to be mounted on a side frame of a bed or the like, wherein a plurality of columns are foldably provided on the side frame, and a horizontal frame is axially attached to the tops of the columns, and the end of the horizontal frame is attached. Between the pillar and the lateral frame located in the section, a standing holding mechanism for holding the pillar in a standing position or folding the pillar is provided, and the standing holding mechanism is provided on the top side of the pillar. An attached receiving member, a cover member provided on the side of the horizontal frame, and a trigger member attached so as to bias the receiving member side, the receiving member is provided on the horizontal frame in the vicinity of the top side of the column. The receiving surface provided so as to face each other has a fitting hole, the cover member has a guide portion so that the opening end surface of the receiving member contacts the receiving surface of the receiving member, and the trigger member is vertically attached to the guide portion. Sliding that fits movably A pin member is provided so as to resiliently protrude from the tip of the sliding portion, penetrates from the upper surface of the horizontal frame so as to cross the horizontal frame, and slides along the horizontal frame. A stopper member is provided as possible, and the stopper member is operated to move along the horizontal frame on the bent front end portion, the shaft portion, and the upper surface of the horizontal frame which are to be engaged and locked in the gap provided in the trigger member. And an operating unit for constantly biasing the trigger member side, the stopper member, against the biasing force, on the upper side of the horizontal frame,
By moving the operation unit along the horizontal frame and detaching the bent tip of the stopper member from the trigger member side,
A restraining mechanism for a standing holding mechanism in a foldable side fence, wherein a trigger member is operated to release a restrained state between a horizontal frame and a support. 2. A taper portion is formed at a front end side of a receiving surface of the receiving member so as to be inclined downward toward the front end side.
By raising the column and raising the column, the tip of the pin member comes into contact with the tapered portion of the receiving surface of the receiving member and pushes the pin member against the urging force. The restraint mechanism of the standing-side holding mechanism in the folding side fence according to claim 1, wherein the side fence is held in an upright state by being fitted into the fitting hole of (1).