JPH0534659Y2 - - Google Patents

Description

[Detailed description of the invention] [Field of industrial application] The present invention relates to a table suitable for use in operating rooms, etc. for medical purposes, and whose top plate height can be adjusted freely up and down. be.

[Conventional technology]

Conventionally, tables for arranging a large number of surgical instruments in an operating room for ease of use during surgical operations, etc. have been provided with legs in a so-called portal shape, with an opening at the bottom center of the top so that they can be pulled into the operating table in a crosswise manner. The height of the legs can be adjusted by turning a handle.

However, there is a problem in that devices that require such handle operations cannot be raised or lowered without carefully disinfected hands.

Additionally, there is a hanging leg in the center of the top plate. There are also known devices in which the hanging legs are raised and lowered by a hydraulic device, but in such a device, the hydraulic device is operated by a pedal, which allows the top plate to be raised and lowered without using hands. The hanging legs and hydraulic system installed in the center of the top board get in the way and make it impossible to pull the top plate across the operating table, which significantly impairs usability.

[The problem that the idea attempts to solve]

Therefore, the present invention attempts to solve all of the problems of the conventional handle-operated devices, such as getting your hands dirty, and the problem of not being able to draw the device close to the operating table, which is the problem with devices supported at the center of the top plate.

[Means to solve the problem]

The liftable top table of the present invention has a pair of legs, each consisting of a hollow cylindrical body standing upright on a leg base with casters attached, arranged on the left and right, and a hydraulic cylinder installed upright inside one of the legs, allowing the piston rod to A pulley is mounted on the upper end of the piston rod so as to protrude upward, and a pedal for raising and lowering the hydraulic pressure of the hydraulic cylinder is provided on this leg so that it can be operated from the outside of the leg. Attach hollow hanging legs near both left and right ends of the unit, fit these hanging legs into the pair of legs, engage the operating chain to the pulley within the legs in which the hydraulic cylinder is installed, and connect one end of the hanging legs to the pulley. It is fixed at a predetermined height position, and the other end is fixed to the lower part of the hanging leg.
Further, the support wire is passed through the lower surface of the top plate and the left and right hanging legs, and one end of the support wire extending from the lower end of each hanging leg is attached to the leg base directly below the hanging leg within the leg body where the hydraulic cylinder is installed. The other end is folded back at the lower end of the other hanging leg and fixed to the inner wall of the leg.

[Effect]

By stepping on a pedal that increases the pressure of the hydraulic cylinder, the piston rod of the hydraulic cylinder projects upward, lifting and raising a hanging leg to which one end of an operating chain supported via a pulley is fixed to the upper end of the piston rod. This lifting motion of the hanging legs is achieved by fixing one end of the support wire that passes through the left and right hanging legs to the leg base directly below the hanging legs inside the leg body where the hydraulic cylinder is installed.
Do not interfere with the upward movement of the hanging leg. Since the lower end of the hanging leg is supported by folding back the support wire within the other leg body, this hanging leg also rises following the rise of the hanging leg, and therefore the top plate rises while maintaining its horizontal position. , the raised top plate is maintained in the raised position by the hydraulic pressure of the hydraulic cylinder.

On the other hand, the operation of lowering the top plate, which is maintained in the raised position in this way, can be done by stepping on the pedal that lowers the oil pressure of the hydraulic cylinder. The pulley is lowered together with the piston rod, and the operating chain and support wire operate in the opposite direction to the above-described operation to simultaneously lower the left and right hanging legs, thereby lowering the top plate while keeping it horizontal.

〔Example〕

An embodiment of the present invention will be described below with reference to the drawings. In the figure, 1 is a hollow rectangular cylinder leg that stands upright on a leg stand 3 to which casters 2, 2 are attached, and is arranged in a pair on the left and right, with a hydraulic cylinder 4 in an upright position in one leg 1. Install. A piston (not shown) is attached to this hydraulic cylinder 4, and a pulley 6 is attached to the upper end of the piston rod 5.
is pivotally supported, and the operating chain 7 is engaged with the pulley 6. One end of the operating chain 7 is fixed to an arm 8 projecting from the upper end of the hydraulic cylinder 4. The hydraulic cylinder 4 has an oil storage tank 9 and a pump 10.
is attached.

11a and 11b are an oil storage tank 9 and a pump 10
11a is a rising pedal, and 11b is a descending pedal, both of which are formed so that they can be stepped on to the outside of the leg body 1.

Reference numeral 12 denotes a top plate having a rectangular plan view, on the top surface of which a tray-shaped storage section 13 divided into three sections is formed, and on the bottom surface of the top plate there are mounting plates 1 near both ends in the longitudinal direction.
4, a pair of front and rear hanging legs 15, 15' are provided. These hanging legs 15, 15' are hollow and made of square pipe material, and the upper ends of the left and right hanging legs 15, 15, 15', 15' are made of square panel material along the lower surface of the top plate 12. The supporting wires 17, 17' are connected to the communicating pipes 16, 16' and each hanging leg 15, 15, 15', 1 by communicating with the communicating pipes 16, 16'.
Guide members 18 are provided at the intersection corners of the guide members 5' and the lower ends of the hanging legs shown on the left side in FIG. 3, respectively, and are brought into sliding contact with each other.

These hanging legs 15, 15, 15', 15' are fitted into each leg body 1, 1, and an arm 19 is attached to the lower end of the hanging leg 15' within the leg body 1 in which the hydraulic cylinder 4 is installed.
is provided protrudingly, and the other end of the operating chain 7 is fixed to this arm 19. Furthermore, these hanging legs 15,1
Support wire 17,1 pulled out from the lower end of 5'
The ends of 7' are fixed to stops 20, 20' provided on the leg base 3 directly below these hanging legs 15, 15'. Further, the end portions of the support wires 17, 17' pulled out from the lower ends of the other hanging legs 15, 15' are folded back and pulled up via the guide member 18, and the leg body 1
It is fixed to a stopper 21 provided at an intermediate height position on the inner wall. A lid body 22 is attached to the upper end of each of the legs 1, 1, and the hanging legs 15, 15, 15', 15' are slidably inserted therethrough.

Next, the operation of the liftable top table of the present invention constructed as described above will be explained. By stepping on the lift pedal 11a, the hydraulic pressure in the hydraulic cylinder 4 increases, causing the piston rod 5 and pulley 6 to project upward from the position shown in FIG. ′ Lift up. Following this movement, the left and right hanging legs 1
The support wires 17, 17' passed through 5, 15 and 15', 15' move in sliding contact with each guide member 18, and the left hanging leg is supported by folding back the support wires 17, 17' at the lower end. 15, 15' are raised, and the top plate 12 is raised while keeping it horizontal.

Then, a hydraulic cylinder 4 is placed on the top plate which has been raised to a predetermined height by stepping on the lift pedal 11a several times.
The elevated height can be maintained safely as long as the hydraulic pressure is maintained.

Further, the operation of lowering the top plate 12 which is kept in the raised position in this way is performed by stepping on the lowering pedal 11b, which lowers the oil pressure of the hydraulic cylinder 4, lowering the height of the pulley 6 together with the piston rod 5, and lowering the height of the pulley 6 together with the piston rod 5. The hanging leg 15' fixed to the operating chain 7 is lowered. And the left and right hanging legs 15, 15, 1
Support wires 17, 1 passed through 5', 15'
7', the position of sliding contact with each guide member 18 is moved in the opposite direction of the lifting operation, and each hanging leg 15, 1
5, 15', and 15', the top plate 12 can be returned to the height position shown in FIG.

Further, in the illustrated embodiment, each leg 1 is fitted with a pair of front and rear hanging legs 15, 15', but the present invention is not limited to this embodiment, and each leg 1 is provided with one hanging leg. The present invention can also be applied to other types of devices.

[Effect of idea]

As mentioned above, the table with an adjustable top according to the present invention can solve all the problems seen in conventional tables that raise and lower the table by operating a handle or those that support the table at the center of the table. Moreover, it is easy to operate.

[Brief description of the drawings]

The figures relate to one embodiment of the present invention, in which FIG. 1 is a perspective view, FIG. 2 is a side sectional view, and FIG. 3 is a front sectional view. 1, 1... Leg, 2... Caster, 3... Leg stand, 4... Hydraulic cylinder, 5... Piston rod, 6... Pulley, 7... Operation chain, 11a
...Rise pedal, 11b...Descent pedal, 12...
...Top plate, 15,15'...Drooping leg, 17,17'...
…Support wire.

Claims (1)

[Scope of utility model registration request] A pair of legs consisting of a hollow cylindrical body standing upright on a leg base to which a caster is attached is arranged on the left and right, a hydraulic cylinder is installed upright in one of the legs, and a piston rod is provided so as to protrude upward. A pulley is pivotally supported at the upper end, and a pedal for raising and lowering the hydraulic pressure of the hydraulic cylinder is installed on this leg so that it can be operated from the outside of the leg.On the other hand, there are hollow hanging legs near both the left and right ends of the top plate. are attached respectively, and these hanging legs are fitted into the pair of leg bodies, and within the leg bodies in which the hydraulic cylinder is installed, an operating chain is engaged with the pulley and one end thereof is fixed at a predetermined height position, and the other The end is fixed to the lower part of the hanging leg, and the support wire is passed through the lower surface of the top plate and the left and right hanging legs, and one end of the support wire extending from the lower end of each hanging leg is inserted into the leg where the hydraulic cylinder is installed. A liftable table with a top plate fixed to a leg stand directly below one hanging leg, and the other end folded back at the lower end of the other hanging leg and fixed to the inner wall of the leg.