JPH0392171A - Waterproof or dustproof operating apparatus and syringe energizing apparatus equipped therewith - Google Patents

Abstract

PURPOSE:To always hermetically close a slit and to prevent the pentration of water into an operating part even when a casing part is washed with water by mounting a pair of water impermeable male and female fasteners fitted so as to hold an operating lever therebetween and a double-closing type fastener binding moving jig along both edges of the slit of a partition wall. CONSTITUTION:When an operating lever 3 is engaged with a movable part and an operating apparatus is driven, the operating lever 3 moves the movable part and the fitted part of fasteners 4, 5 secures a closed state even when the operating lever 3 moves to any place because the part on the front side in the advance direction of the operating lever 3 is forcibly opened and closed by a double-closing type fastener binding moving jig 6. The fasteners 4, 5 are made of a water impermeable material and the opening near the operating lever 3 is hermetically closed by the double-closing type fastener binding moving jig 6 and, therefore, a slit 101a is hermetically closed perfectly. Therefore, even when the part receiving the movable part of a casing 1 is washed with water, no water penetrates into an operating part through the slit 101a.

Description

Detailed Description of the Invention [Industrial Application Field] The present invention is characterized in that a partition wall with a slit is provided in a casing, an actuating device is attached to one side of the partition wall, and a movable part is mounted or placed on the other side of the partition wall. and an actuating rod that connects the actuating device and the movable part through the slit! A waterproof or dustproof operating device and a device that are designed to always seal the slit no matter where the operating rod moves and to prevent water from entering the drive side through the slit even if the casing part is washed with water. This article relates to a syringe biasing device equipped with the same. [Prior Art] Conventionally, a partition wall with a slit is provided in a casing, and an actuating device and a movable part are mounted or placed on one side of the partition wall, and the actuating device and the movable part are connected to each other. An example of an operating device in which a connecting operating rod passes through the slit and the movable part moves the medical device is disclosed in Japanese Patent Publication No. 5
There is a syringe biasing device described in Publication No. 9-1371372. [Problem to be solved by the invention] When this type of actuating device is used repeatedly, the casing gets dirty, so it is necessary to keep it clean by washing it with water. If you try to wash the part that houses it with water, water will enter the drive side through the sleet, causing damage to the internal motor and circuit, or rust on the screw shaft, etc., making it impossible to move. I couldn't wash it with water because it might cause a problem. The present invention has been devised in view of the above-mentioned points, and includes a partition wall with a slit in the casing, an actuating device attached to one side of the partition wall, and a movable part mounted to the other side of the partition wall. placed,
An actuating device in which an actuating rod connecting the actuating device and the movable portion moves the actuated body of the movable portion through the slit, and the actuating rod moves the slit no matter where the actuating rod moves. To provide a waterproof or dustproof actuating device and a syringe biasing device equipped with the same, which can always be sealed tightly and which is improved so that wood will not enter the actuating side through the slit even if the casing part is washed with water. [Means for Solving the Problems] The first solution of the present application is that a partition wall 101 having a slit lo1a is provided in the casing l, and one side 102 of the partition wall 101 is provided with an actuator 2 and the other 103 are connected to each other. The movable part 1 is attached or placed,
The actuating device 2 and the movable part E are inserted through the slit 101a.
An actuating device is provided with an actuating rod 3 that connects the partition wall lot, and a female fitting portion is provided along both edges of the slit lo1a of the partition wall lot so as to close the slit 101a with the actuating rod 3 in between. A pair of male and female fasteners 4 and 5 made of a water-impermeable material that fit together the male and female fitting portions 4a and 5a.
and the pair of fasteners 4 that are fitted and fixed to the operating rod 3;
While being sandwiched between the female fitting part 4a and the male fitting part 5a of No. 5, push the female fitting part 4a and the male fitting part 5a apart in the forward direction of movement, and push open the rear part in the direction of movement. The second solution of the present application, which is a waterproof or dustproof operating device characterized by comprising two closing type fasteners that can be moved together and a closing mover 6, is characterized in that a slit LO1a is formed in the casing l. An open partition wall 101 is provided, and an actuating device W2 is provided on one side of the partition wall 101.
A movable part t is attached or placed on the other side, and the slit 1
The actuating device is provided with an actuating rod 3 that connects the actuating device 2 and the movable part t through 01a, and is provided along both edges of the three, }lo1a of the partition wall lot and sandwiching the actuating rod 3. a pair of seal members 7 and 8 made of a flexible material that abut each other so as to close the slit 101a; Operating rod 3
This is a waterproof or dustproof operating device characterized by comprising an opening sealing member 9 for closing the openings on both sides. The third unfiltered solution is a syringe biasing device equipped with the waterproof or dustproof operating device of the first or second solution. In the above-mentioned solution, when the operating rod 3 is engaged with the movable portion t and the actuating device 2 is driven, the operating rod 3 moves on the movable portion t. Fastener 4
, 5 are pushed open by the double closing type fastener closing moving tool 6 when the operating rod 3 is on the forward side in the traveling direction, and when the opening is on the rear side in the traveling direction of the working rod 3, the opening is pushed open when the working rod 3 is on the forward side in the traveling direction. As the shaped fastener is closed by the closing moving tool 6,
Unlike normal fasteners 4 and 5, the zipper is not in either an open or closed state, but the closed state is ensured no matter where the operating rod 3 moves. Then, the fasteners 4 and 5 are made of a water-impermeable material, and the opening of the operating rod 3 is sealed by the double-closed fastener closing mover 6, so the slider 101a is completely sealed. ．． Therefore, even if the part of the casing 1 that accommodates the movable part t is washed with water, water will not enter the operating side through the slit 101a. In addition, in the second solution, when the actuating rod 3 is engaged with the movable part t and the actuating device 2 is driven, the actuating rod 3 moves on the movable part t. Then, the slit lo1a
A pair of seal members 7, 8 provided to close the
The part opened by the operating rod 3 is displaced,
The operating rod 3 is equipped with an opening sealing member 9, and the contact surfaces of the sealing members 7 and 8 are pushed open by the opening sealing member 9 on the front side in the direction of movement of the operating rod 3, and The opening on the rear side in the direction of movement of the rod 3 is closed by the shape restoration of the opening sealing member 9 and the sealing members 7 and 8 made of flexible material, so that it does not open like a normal fastener 4 or 5. The operating rod 3 is not in either closed or closed state.
No matter where the slit lo1a moves, it is ensured that the slit lo1a is completely sealed. Therefore, even if the casing part is washed with water, water will not enter the operating side through the slit l01a. In the third solution, the syringe biasing device has the function of the first solution or the second solution,
The casing part can be washed with water. [Embodiment] Figures 1 to 5 show an embodiment of the waterproof or dustproof actuating device and the syringe biasing device equipped with the waterproof or dustproof actuating device of the first solution. This syringe biasing device includes a casing 1 having a desired shape and a partition wall 101 having a horizontally long slit 101a, and a movable table 2a provided on one side of the partition wall 1O1 in the casing 1, and a movable table 2a attached to the slit 1Ola. an actuating device 2 that moves along and a movable table 2a of the actuating device 2;
is fixed to the partition wall 1 through the slit lo1a.
A medical device (syringe) T that is carried to the other side of 01 and is stored or provided on the other side of the partition wall 101 with its tip end.
It is equipped with an operating rod 3 that can move the movable part (pusher) t. The casing l has a housing chamber 1 for a driving means that is substantially sealed so as to house the actuating device 2 and a circuit (not shown).
02, and an open tray section 10 on which a medical device T can be placed.
3 are partitioned by the partition wall 101,
It has a transparent M104. The actuating device 2 includes a screw shaft 2d that uses a micro motor 2b as a driving source and is rotated via a micro speed reducer @2c;
A linear guide 2e parallel to the screw shaft 2d, and a screw shaft 2
d and a movable table 2a that is engaged and guided by both the linear motion guide 2e, and the movable table 2a further has a half-split nut 2g supported by a spring plate 2f and screwed onto the screw shaft 2d. There is. The actuating rod 3 has a cylindrical actuating rod body 3a whose one end is fixed to the movable table 2a and passed through a slit 101a opened in the partition wall 101, and the actuating rod main body 3a. It consists of a pressing rod 3b having a stepped portion 3b' in the middle, and a locking body 3d supported by a spring plate 3c so as to intersect with the stepped portion 3b' of the pressing rod 3b, and presses the tip of the pressing rod 3b. Then, the half-split nut 2g can be moved in the direction of arrow X at the inner end to unscrew the half-split liner 12g from the screw shaft 2d, and at this time, the wide part of the opening-2 nut body 3d can be unscrewed from the screw shaft 2d. 3d' is the pressing rod 3b
The pressing rod 3b is locked in the pushed-in state by engaging with the stepped portion 3b' of the lock body 3b, thereby making the movable table 2a immovable even when the screw shaft 2d rotates. When pressed, the half nut 2g pushes back the pressing rod 3b due to the elastic return of the spring plate 2e and is threadedly engaged with the screw shaft 2d, thereby making the movable table 2a movable again. The medical device T is shown as a syringe, and is stabilized on the tray portion 103 by inserting the flange portion at the proximal end of the syringe body between two ribs 103a and 103b provided on the tray portion 103. A lock-shaped engaging tool 3e that can be placed on the operating rod 3 and has a pusher t as an actuated body.
, and the pusher t is pushed in by the pushing movement of the operating rod 3. Therefore, the micromotor 2b is rotated by turning on a required button provided on an operation operation panel (not shown) and driven to rotate based on an operation program command of the circuit (not shown), thereby causing the movable table to be rotated. When 2a is moved at ultra-low speed, for example, at a pitch of 5 mm per hour, or intermittently moved at a pitch of 5 mm every hour, the pusher t of the injection device T is pushed in by the same amount as the movable table 2a. Anticancer drugs and other anticancer drugs that require long-term administration in small doses are now being administered to patients in syringes. However, according to the syringe biasing device having the above structure, if the slit 101a of the partition wall 101 is not sealed, even if the tray portion 103 becomes dirty, it cannot be washed with water. Therefore, a pair of male and female fasteners 4 and 5 are provided on both edges of the slit 101a to close the slit 101a, and the area through which the operating rod 3 passes is closed by a double-closed type fastener closing moving tool 6. ．． The fasteners 4 and 5 are made of a water-impermeable material, specifically soft rubber or flexible plastic, and are shaped into a substantially angular shape, with the horizontal end portions sandwiching the operating rod 3 and opening the slit 101a. It has a female fitting part 4a and a male fitting part 5a which fit into each other so as to be closed. The double-closed type fastener closing moving tool 6 is a pusher that is fitted and fixed to the operating rod 3 and is sandwiched between the female fitting part 4a and the male fitting part 5a, and has wedge-shaped front and rear ends in the moving direction. A wedge body 6a for opening and closing. A female fitting part 4a which is divided into upper and lower halves and works together with the push-open and close body 6a.
are fitted together so as to sandwich the male fitting part 5a, and the screw 6d
, 6d consists of a wedge body 6a for pushing open and closing, and a pair of holding support pieces 6b, 6C which are integrally fixed. Therefore, the double-closed type fastener closing moving tool 6 is
A female fitting portion 4a of the fastener 4 is fitted and fixed to the operating rod 3.
While being sandwiched between the male fitting part 5a of the fastener 5, the female fitting part 4a and the male fitting part 5a are pushed open at the front in the moving direction, and are moved by closing the rear in the moving direction. obtain. Therefore, the medical device T is placed on the tray portion 103, the half nut 2g is unscrewed, the movable table 2a is moved, and the lock-shaped engagement tool 3e of the operating rod 3 is connected to the movable portion t of the medical device T. , and screw the half nut 2g again. Then, when the micro motor 2b is driven, the screw shaft 2
d rotates and the operating rod 3 pushes the movable part t. At this time, the front end of the operating rod 3 in the traveling direction is pushed open by the double-closed type fastener closing moving tool 6, and the opening on the rear side of the working rod 3 in the traveling direction is pushed open by the double-closed type fastener closing moving tool 6. Since the fasteners 4 and 5 are closed, they are not either opened or closed like normal fasteners 4 and 5, and the closed state is ensured no matter where the operating rod 3 moves. Then, fasteners 4 and 5 are
It is made of water-impermeable material, and since the opening of the operating rod 3 is sealed by the double-closed type fastener closing moving tool 6, the slit 101a is completely sealed. Therefore, even if the portion of the casing 1 that accommodates the medical device T is washed with water, water will not enter the operating side through the sleeve 101a.

FIGS. 6 to 8 show embodiments of the waterproof or dustproof actuating device and the syringe biasing device equipped with the same as the second solution. Incidentally, in this embodiment, parts that are the same as those in the embodiment according to the first solution means are given the same reference numerals, and explanations thereof will be omitted. If the slit 101a of the partition wall 101 is not sealed, even if the tray part 103 becomes dirty, it cannot be washed with water. Therefore, a pair of opposing band-shaped bows and boxes 104 and 105 are provided at both edges of the slit lo1a of the partition wall lO1. A pair of sealing members 7 and 8 each having a vertically elongated cross section and made of water-impermeable rubber or flexible plastic are installed in both boxes.
is accommodated, and the sealing members 7 and 8 abut at the center of the height of the slit 101a to close the slit 101a. The sealing members 7 and 8 sandwich the operating rod 3, and since they bend in a way that cannot be sealed at the front and rear ends of the operating rod 3 in the moving direction, the sealing members 7 and 8 do not close the opening at the front end in the moving direction of the operating rod 3. The rear opening is closed by an opening sealing member 9 fitted and fixed to the operating rod 3. The opening sealing member 9 is a sealing member 7.
, 8 from the inner and outer sides.
a, 9b, and a push-opening/closing wedge body 9C which is sandwiched between the seal members 7 and 8 and whose front and rear ends in the direction of movement are wedge-shaped. Therefore, the portions of the pair of seal members 7 and 8 that are provided to close the slit 101a that are opened by the operating rod 3 are displaced, but the operating rod 3 has an opening sealing member 9.
The contact surfaces of the seal members 7 and 8 are connected to the operating rod 3.
The opening on the front side in the direction of movement of the operating rod 3 is pushed open by the opening sealing member 9, and the opening on the rear side in the direction of movement of the operating rod 3 is pushed open by the opening sealing member 9 and sealing members 7 and 8 made of flexible materials. Since the slit lo1a is closed by returning to its shape, it is ensured that the slit lo1a is completely sealed no matter where the operating rod 3 moves. Therefore, even if the portion of the casing 1 that accommodates the medical device T is washed with water, water will not enter the operating side through the slit 101a. Note that the present invention is not limited to the syringe biasing device shown in the embodiments, but may include a partition wall in which a slit is opened in the casing, and an actuating device on one side of the partition wall and a movable part on the other side. It is widely applied to actuating devices in which an actuating rod is mounted or jalted and is provided with an actuating rod that connects the actuating device and the movable part through the slit. In addition, the present invention is not only waterproof, but also waterproof! W4!
! It is also useful for dustproofing electrical products such as audio products. [Effects] According to the waterproof or dustproof actuating device of the present invention and the syringe biasing device equipped with the same as described above, a partition wall with a slit is provided in the casing, and the actuating device is mounted on one side of the partition wall. A movable part is attached to the other side or! The actuating device is provided with an actuating rod that connects the actuating device and the movable part through the slit, the actuating device can always seal the slit no matter where the actuating rod moves, and the actuating device can keep the movable part of the casing closed. Improved so that water does not enter the operating side through the slit even if the housing part is washed with water,
There is no risk of damage to the operating device or circuits due to washing with water, and cleanliness can be ensured during long-term use with 9-position operation and during portable use.

[Brief explanation of drawings]

FIG. 1 is a plan view showing an embodiment of a waterproof or dustproof actuating device and a syringe biasing device equipped with the same according to the present invention, and FIG. 2 is a sectional view taken along line II-U in FIG. Figure 3 is a cross-sectional view taken along the line ■-■ in Figure i.
The figure is a sectional view taken along line IV-rV in FIG. 2, and FIG. 5 is a sectional view taken along line v-■ in FIG. No. 6UgJ shows another embodiment of the waterproof or dustproof actuating device and the syringe urging device equipped with the same according to the invention, and is a sectional view corresponding to FIG. 2, and FIG. This is a sectional view corresponding to No. 3 UgJ showing an embodiment, and FIG. 8 is a sectional view taken along line 1-2 in FIG. 1●●●Casing, 101●●●Division wall, 101a●●●Slit, T-◆●Medical device (syringe), 7ψ・●Movable part (pusher) 2●●● Actuation device, 2a●●● Movable table, 3...operating rod, 4●●●fastener 4a●●・female fitting part, 5●●●fastener 5a●●●male fitting part, 6●...double-closed type fastener closing together Moving equipment, 7, 8
●●● Seal member, 9●・● Opening sealing member,

Claims (3)

[Claims] (1) A partition wall with a slit is provided in the casing, an actuating device is mounted or placed on one side of the partition wall, and a movable part is mounted on the other side, and the actuating device and the movable part are connected through the slit. The actuating device is provided with an actuating rod that is provided along both edges of the slit in the partition wall, and the female fitting part and the male fitting part are connected to each other so as to sandwich the actuating rod and close the slit. a pair of male and female fasteners made of a water-impermeable material that fit together; and a female fitting that is fitted and fixed to the operating rod and sandwiched between a female fitting part and a male fitting part of the pair of fasteners. and a double-closed type fastener closing moving device that can move by pushing open the front part in the direction of movement of the male fitting part and closing the rear part in the direction of movement of the male fitting part. Device. (2) A partition wall with a slit is provided in the casing, an actuating device is mounted or placed on one side of the partition wall, and a movable part is mounted on the other side, and the actuating device and the movable part are connected through the slit. The actuating device is provided with an actuating rod, the actuating device comprising: a pair of seal members made of a flexible material provided along both edges of the slit in the partition wall and abutting each other so as to sandwich the actuating rod and close the slit; , an opening sealing member that is fitted and fixed to the operating rod and closes openings on both sides of the operating rod of the abutting seal surfaces of the pair of seal members. . (3) A syringe biasing device comprising the waterproof or dustproof actuation device according to claim (1) or (2).