JPH0130885Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) This invention is a device for holding a patient on a bed, etc., and allowing the patient to move according to the symptoms while suppressing undesirable movements of the patient. The present invention relates to fasteners for fastening restraint belts and other various belts.

(Prior art and its problems) As a fastener for fastening the belt of a patient restraint belt, for example, the fastener disclosed in the specification and drawings attached to the application for Utility Model Registration No. 90009 of 1985 is a fastener for fastening the belt. In order to ensure that the paired members are locked together and to be easily released using a magnet, etc., a pair of retaining plates are provided with a recess that forms a retaining hole that retains the retaining rod when closed. It is constructed so that it can be opened and closed by moving on a plane. Such a configuration poses no problem in normal use, but in the locked state, the member holding the retaining plate rotates rapidly around the retaining bar. If such an external force is applied, the retaining plate may open due to the action of centrifugal force and come off from the retaining rod, as shown in FIG. 4, which may cause problems.

The present invention aims to effectively prevent such inconveniences from occurring with a simple configuration, and will be described in detail below with reference to the drawings corresponding to the present invention.

(Means for Solving the Problems) That is, the present invention will be explained based on the drawings corresponding to the embodiments.
are pivotally supported so as to be openable and closable by movement on a plane, and biased in the closing direction, and recesses 4 and 4' are provided at opposing locations to form the holding holes 3 when closed, and the holding holes 3 are formed in the container body 1. a first fastener member A formed with an insertion opening 5 corresponding to the holding hole 3;
and an operating member C that can open the pair of retaining plates 2, 2' against the biasing force in the closing direction, and the insertion opening 5 has an irregular shape other than a perfect circle. In addition, an engaging portion 9 that can be freely engaged with the insertion opening 5 is formed on the holding rod 7 closer to the retaining plate 8 than the groove. To explain the embodiment in more detail, in the embodiment shown in the figure, a leaf spring 1 is used as a means for biasing the retaining plates 2, 2' in the closing direction.
0 is provided in the container body 1, and the operating member C is provided with a pair of magnets 12, 12' facing each other with a space 11 into which the container 1 can be freely inserted. ', the retaining plate 2,
The holding plates 2, 2' are opened by attracting suction parts 13, 13' provided at the holding plates 2' against the biasing force in the closing direction. In addition, as means for biasing in the closing direction, magnets with different polarities may be fixed to each of the retaining plates 2 and 2', and as the operating member C, a suitable operating metal fitting may be used instead of using a magnet. It is also possible to have a configuration in which the opening operation is performed directly. Next, the shape of the engaging portion 9 may be any other shape other than a perfect circle, such as a hexagonal cross-section as shown in the illustrated example, a hexagonal cross-section, an elliptical cross-section, or the like.

(Function) In the above structure, the holding plates 2, 2' of the first fastener member A are normally closed by the urging force of the leaf spring 10, forming the holding hole 3. When the holding rod 7 of the second fastener member B is relatively inserted into the container body 1 through the insertion port 5, the inclined portion 14 at the tip of the holding rod 7 opens the holding plates 2, 2' and opens the holding hole. A groove 6 on the rear side corresponds to the holding hole 3.
Then, the retaining plates 2 and 2' are closed again by the urging force of the leaf spring 10, so that the retaining hole 3 corresponds to the groove 6, and the retaining rod 7
The first fastener member A and the second fastener member B can be coupled together.
In addition, when inserting the holding rod 7 into the insertion port 5 as described above, it is necessary to align the insertion port 5 with the engagement portion 9, which has an irregular shape other than a perfect circle. The operation can be easily performed by rotating the holding rod 7.

As described above, in the state where the first fastener member A and the second fastener member B are combined, the operating member C
cover the container body 1 from above, and place the container body 1 on the operating member C.
It is inserted into the space 11 of. Thus magnet 1
2, 12' are provided on the holding plates 2, 2',
13', these are attracted by the magnets 12, 12' against the urging force of the leaf spring 10, and the holding plates 2, 2' are moved on a plane and opened, and therefore the holding rod 7 is now able to move forward and backward, and the insertion port 5 of the vessel body 1
The first fastener member A and the second fastener member B can thus be separated. In separating the members A and B, the present invention moves the pair of retaining plates 2 and 2' forming the retaining hole 3 on a plane to open them, so the groove 6 is deepened and the retaining hole 3 is closed. Even if the holding is ensured, it can be opened smoothly regardless of the relative relationship between the holding plates 2, 2' and the holding rod 7, and the members A and B can be surely connected. , separation can be performed. In particular, in the present invention, when the first fastener member A and the second fastener member B are combined,
An engaging portion 9 and an insertion port 5 each having an irregular shape.
Because they are engaged, the container body 1 and the holding rod 7 are relatively unrotatable. Therefore, even if an attempt is made to rotate only the container body 1 by an external force, it will not rotate, and the centrifugal force due to rapid rotation will Therefore, it is possible to prevent the container body 1 from coming off from the holding rod 7 without using the operating member C.

(Effect of the invention) As described above, the present invention is configured such that the pair of holding plates provided on the first fastening member can be opened and closed by moving on a plane in order to hold the holding rod of the second fastening member. By this, the first and second fastener members can be reliably connected and separated, and the insertion opening provided in the body of the first fastener member and the holding rod of the second fastener member can be connected and separated. Since the provided engaging portions are each configured in an irregular shape other than a perfect circle, even if you try to rotate only the container body with respect to the holding rod, it will not rotate, and therefore the centrifugal force caused by rapid rotation will be retained. Since it does not act on the plate, there is an effect that the container body can be prevented from coming off from the holding rod without using the operating member.

[Brief explanation of the drawing]

1 to 3 show an embodiment of the present invention, and FIG. 4 shows a conventional example. FIG. 1 is an explanatory perspective view of the constituent members, FIGS. 4 is an explanatory horizontal and vertical sectional view showing the configuration and operation, and FIG. 4 is an explanatory vertical sectional view of a conventional example. Code, A...first fastener member, B...second fastener member, C...operation member, 1...vessel body, 2,
2'... Retaining plate, 3... Holding hole, 4, 4'... Recess, 5... Insertion port, 6... Groove, 7... Holding rod, 8
... Retaining plate, 9 ... Engagement part, 10 ... Leaf spring, 1
1...Space, 12,12'...Magnet, 13,1
3'... Suction part.

Claims (1)

[Scope of utility model registration request] A pair of retaining plates are pivotally supported in the container body so as to be openable and closable by movement on a plane, and biased in the closing direction, and recesses are provided at opposing positions to form retaining holes when closed,
a first fastener member formed by forming an insertion port corresponding to the holding hole in the container body; and a second fastener member including a holding rod protruding from a fastening plate provided with a groove that engages with the holding hole. and an operating member capable of opening the pair of retaining plates against a biasing force in the closing direction, the insertion opening has an irregular shape other than a perfect circle, and the insertion opening has a shape other than a perfect circle, and A fastener characterized in that an engaging portion that can freely engage with the insertion opening is formed on the fastening plate side.