JP2704357B2 - A device for preventing a rack from overturning in a supply stand of an automatic blood test apparatus. - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for injecting a sample such as blood collected from a patient into a test tube and supplying the same to an automatic test apparatus for blood or the like for medical treatments. When a test tube in which a small amount of a sample is injected is set up in a standing state and supported on a rack in a state where a predetermined number of test tubes are arranged side by side and supplied to a testing device for blood or the like, a rack overturn prevention device for preventing the supplied rack from overturning. About improvement.

[0002]

2. Description of the Related Art In the case of testing blood or the like for medical treatment, blood or the like collected from a patient is injected into a test tube and supplied to an automatic testing device for blood or the like. As shown in FIG. 1, a test tube 1 into which a sample has been injected
Are inserted into the respective tube insertion holes 20 of the test tube stand rack 2 formed so that the test tubes 1 are supported in parallel by a predetermined number of tubes, and are arranged in a predetermined number of rows. As shown in FIG. 2, the racks 2 are mounted on the front surface of the supply port of the main body a of the automatic testing apparatus A for blood or the like, as shown in FIG. To form
With respect to the upper surface of the supply table 3 set on the main body a, the racks 2 are appropriately supported in parallel so that the longitudinal direction of the rack 2 becomes the left-right direction, and the racks 2 are placed on the supply table 3. When a predetermined number of sheets are placed, the feeding device 4 composed of an endlessly rotating conveyor belt mounted on the table surface of the supply table 3 or the feeding device provided with a feeding claw on the endlessly rotating chain, The racks 2 that are intermittently or continuously operated and mounted on the supply stand 3 in parallel.
Are sequentially sent to the main body a of the automatic inspection apparatus A.

The rack 2 to be fed is transferred to a transfer device b, which is a transfer belt provided at the front edge of the main body a so as to rotate endlessly in the left and right direction, thereby sequentially moving the rack 2 laterally. During this movement, a test process is performed on the sample in each test tube 1 supported on the rack 2, and the test tube 1 in a state where the test process is completed.
.. While being supported on the rack 2, the rack 2 is sequentially collected by the collection table 5 arranged symmetrically with the supply table 3 on the front side of the main body a.

In the inspection process, the supply of the racks 2 supporting the test tubes 1 to the supply table 3 is performed by an inspector when the supply table 3 is integrally mounted on the main body a. .. Is carried out by hand, and the racks 2... Are gripped in units of several pieces and carried to the front of the main body a, and the racks 2. In the case where the supply table 3 is formed separately from the main body a and is detachably attached to the main body a, the supply table 3 is placed on a work table separate from the main body a. The racks 2... Are mounted on the feeder 3, and the supply table 3 having completed this work is set on the main body a.

The racks 2 mounted on the supply table 3 include:
In order to prevent the rack 2 from overturning due to a work error when mounting and overturning during feeding, a fitting groove 21 that fits with the guide rails 30 provided on the surface of the supply table 3.
May be provided at both ends in the longitudinal direction of the rack 2 or on the bottom side as shown in FIG.

[0006]

The rack 2 used in the automatic blood and blood test apparatus constructed as described above has a very narrow width before and after it, usually about 20 to 25 mm. When the racks 2... Are set on the supply table 3 by hand collectively by several pieces, the racks 2 may be overturned due to a work mistake.

When the rack 2 falls down, all of the test tubes 1... Which are supported on the rack 2 fall down, and the sample injected into them flows out and not only loses the sample, but also automatically Since the inspection apparatus A and its surroundings are covered with blood and the inspection must be temporarily stopped, the overturn that occurs in the rack 2 during this setting is a very serious problem.

For this reason, the front and rear end surfaces of the rack 2 or the left and right intermediate portions of the bottom surface are provided with front and rear engaging grooves, and the engaging grooves are fitted on the base surface of the supply table 2. Means have been proposed in which guide rails having matching cross-sectional shapes are provided along the front-rear direction, and when the racks 2 are set, the racks 2 are fitted one by one into the guide rails. .

However, this method has a problem in that it takes a long time to set the racks 2 on the supply table 3 and the work efficiency of the inspection is significantly deteriorated.

[0010]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem which has occurred in conventional means, and in an automatic testing apparatus for blood or the like, it is possible to efficiently set a rack on a supply table by hand. It is an object of the present invention to provide a new means for ensuring that even when the rack swings back and forth when the rack is set on the supply table while the rack is being set on the supply stand, the rack is surely prevented from overturning.

[0011]

Means for Solving the Problems In the present invention, as means for achieving the above-mentioned object, the left and right ends of the rack are higher than the center of gravity when the rack supports the test tubes. At the position, hook members protruding outward in the left-right direction are provided, respectively, and the left and right ends of the rack set on the supply table are provided on both left and right sides of the rack transfer path on the surface of the supply table of the automatic inspection device. The upper end face is vertically overlapped with the hook member of the portion, and the suspension member whose upper end face is located at a small distance downward from the hook member is installed long in the front-rear direction. An object of the present invention is to provide a device for preventing a rack from overturning in a supply table of an automatic blood and other test apparatus.

[0012]

Next, an embodiment will be described in detail with reference to the drawings. In the drawings, the same reference numerals are used for components having the same effects as those of the conventional means.

FIG. 4 is a perspective view of the means for preventing the rack from tipping over in the automatic blood and blood test apparatus according to the present invention, wherein a is the main body of the automatic blood and blood test apparatus A, and 3 is a separate body from the main body a. And a supply stand integrally mounted at one of the left and right positions on the front side of the main body a so as to protrude forward, or integrally provided at the position on the front side of the main body a. A collection table arranged on the other side of the left and right sides of the front side of the main body a so as to be symmetrical with the supply table 3 and integrally or detachably mounted on the main body a. A transfer device for sequentially transferring the racks 2 supplied from the supply table 3 to the collection table 5 side is shown. Reference numeral 2 shown by a dashed line indicates a rack according to the present invention set on the supply table 3.

As shown in FIG. 5, the rack 2 has a front-to-rear width of about 20 to 25 mm and the tube insertion holes 20 through which the lower end of the test tube 1 is inserted, as shown in FIG. It is formed in the shape of a test tube stand which is long in the left and right provided in series in parallel with the series, and at the end of its operation, there are provided rising members 6, 6 which rise upward, respectively.
Hook members 7 projecting outward in the left-right direction are respectively formed at their upper ends.

In the embodiment shown in FIG. 5, the rising member 6 and the hook member 7 are formed integrally and continuously from the synthetic resin forming the rack 2 when the rack 2 is formed. .

However, the rising member 6 and the hook member 7
Is formed of a metal material separately from the rack 2 as in the embodiment shown in FIG. 6, and this is integrally insert-molded or molded when the rack 2 is formed of a synthetic resin material. The rack 2 may be mounted and attached to the end.

The rising member 6 and the hook member 7 are much higher than the center of gravity G of the rack 2 in a state where the test tubes 1 for accommodating a predetermined amount of specimens are supported in parallel. The rack 2 is installed so as to occupy the position.

That is, the rising members 6 provided on both left and right sides
When the rack 2 is hung with the hook members 7.7 on the upper end side of the fulcrum 6 as the fulcrum, the rack 2 hangs down on the bottom side due to the weight of the rack 2 and the test tubes 1 supported on it and the sample. It is provided so as to be a stable state.

In the embodiment shown in FIG. 5, the hook member 7 located at one of the left and right ends of the rack 2 is a concave surface formed in a semi-circular shape in plan view and located at the other left and right ends. The hook member 7 is formed on a convex surface projecting in a semicircular arc shape in a plan view because the rack 2 is sequentially fed into the main body a of the automatic inspection apparatus A and is mounted on the main body a. As a result, as shown in FIG. 7, when transported in a state of being continuous in the longitudinal direction, the hook member 7 located at the front end side of the rack 2 in the moving direction is moved forward by the rack in the moving direction. 2 for engaging with the hook member 7 located on the rear end side of the rack 2 so that the rear end side of the front rack 2 and the front end side of the rear rack come into close contact with each other. is there.

When the racks 2 are conveyed in a continuous state in the longitudinal direction, the hook members 7 of the front and rear racks 2
The joining of the members 7 in the superposed state is performed by the rising member 6 and the hook member 7.
As shown in FIG. 6, as shown in FIG. 6, in a case where the rack member 2 is formed in a shaft-like shape, the rising member 6 and the hook member 7 provided on the left and right end sides of the rack 2 are provided as shown in FIG. , A pair of standing members 6 and a hook member 7 provided at the other end on the left and right sides are provided at a middle portion between the front and rear sides so that the racks 2 are arranged in parallel in a longitudinal direction. When this is done, the hook member 7 on the rear end side of the front rack 2 is located within the interval between the hook members 7.7 on the front end side of the rear rack 2,
A polymerization state is obtained.

In the main body a of the automatic testing apparatus A for blood or the like, a transfer path w on the surface of a supply table 3 attached to the main body a for sending out racks 2 mounted on the main body a to the main body a side.
As shown in FIG. 10, the upper end face 80 is higher than the respective centers of gravity G of the racks 2. Standing suspension members 8 are provided to stand upright.

Each of the suspension members 8, 8 has its upper end face 80 mounted on the rack 2 on which the supply table 3 is mounted.
The rising height h is set so as to be lower by a small distance D than the above-mentioned hook members 7.7 provided at both left and right ends of the The left and right hook members 7, 7 of the rack 2 to be bridged are disposed so as to be opposed to each other in the vertical direction with the small distance D.

In the embodiment shown in the drawing, the suspension members 8 provided on the left and right sides of the table surface of the supply table 3 are formed in a vertical shape.
Under the above-described conditions, it suffices that the supply table 3 be located on both left and right sides of the table surface, and formed into a rail shape.
It may be formed in an appropriate shape, such as being supported by an appropriate support member, or formed and mounted in a gate shape in a side view. In addition, the suspension members 8.8 are formed so that the height position of the upper end surfaces 80 is substantially the same as or higher than the hook members 7.7, and the suspension members 8.8 are formed on the racks 2. In some cases, only the portion located on the end side of the transfer path w is formed to be lower than the hook members 7.

The embodiment apparatus constructed as described above operates as follows. A rack 2 on which test tubes 1 into which a sample is injected is supported in parallel is supplied to a supply table 3 of an automatic testing apparatus A for blood or the like.
The sample which has been inspected by one automatic inspection apparatus A is placed on the rack 2 when being mounted and set on the table surface in a back-and-forth manner, or between different automatic inspection apparatuses having different test items. .. Are taken out and moved so as to be set on the supply table 3 of the other automatic inspection apparatus A, the inspector moves the test tubes 1... , Supply table 3 of predetermined automatic inspection device A
The racks 2... Are set on the supply table 3 in a state in which the rack 2 is effectively prevented from tipping over by the operation of sequentially mounting the racks 2 on the table surface.

That is, when the racks 2 are placed on the table surface of the supply table 3, the hook members 7 provided on both right and left end portions of the rack 2 are connected to the table surface of the supply table 3. Are located above the upper end surfaces 80 of the suspension members 8 provided respectively on the left and right sides of the vehicle with a slight distance D therebetween.

At this time, it is assumed that the racks 2 mounted in parallel are tilted and rotated in the front-rear direction about the bottom surface as a fulcrum. As a result, the hook members 7 provided at both left and right ends of the rack 2
7 and the upper end surface 80 of the suspension member 8
And the lower surfaces of the hook members 7 abut against the upper end surfaces 80 of the suspension members 8.

Then, the racks 2...
With the fulcrum 7 as a fulcrum, the rack 2 itself is suspended in a suspended state on the upper surfaces 80, 80 of the suspension members 8, 8, and the weight of the rack 2 itself is reduced by using the hook 2 as a fulcrum.
As indicated by the arrow in FIG.
It works so as to rotate in the opposite direction to the inclination direction, and the inclined rack 2 is caused to return to rotate.

Therefore, the racks 2 mounted in parallel are aligned by raising the inclined racks 2 to the upright posture by holding the front and rear edges of the bottom.

In this state, the hook members 7 at the right and left ends of the side-by-side racks 2.
8 rises with a small distance D from the upper end surfaces 80 of the automatic inspection apparatus A, and the racks 2...
Are sequentially fed toward the transfer device b without causing any resistance between the hook members 7.7 and the upper end surfaces 80 of the suspension members 8.8. .

Further, by providing the suspension members 8.8 having the same configuration as the suspension members 8.8 on both the left and right sides of the transfer path of the rack 2 of the collection table 5, the rack 2 to be collected on the collection table 5 is provided. Is prevented from falling.

[0031]

As described above, the device for preventing the rack from tipping over in the supply table of the automatic blood and blood test apparatus according to the present invention is provided at both left and right ends of the rack 2, and the rack 2 supports the test tubes 1. At the position higher than the position of the center of gravity of the automatic inspection apparatus A, hook members, which protrude outward in the left-right direction, are respectively provided. The upper end face 80 is vertically overlapped with the hook members 7 at both right and left ends of the rack 2 set on the supply table 3, and the upper end face 80 is connected to the hook members 7. Since the suspension members 8, 8 which are located at a small distance D from below are installed long in the front-rear direction, when the racks 2. When the rack 2 falls back and forth, the left and right hook members 7.7 The suspension members 8.8 are supported in a suspended state in contact with the upper end surfaces 80, 80, and are returned to the upright state by the weight of the rack 2 itself using the hook members 7, 7 as fulcrums, and fall down. Can be effectively prevented, the work of setting the racks 2... On the supply table 3 can be performed roughly, and the work of supplying the racks 2.

[Brief description of the drawings]

FIG. 1 is a perspective view of a conventional rack.

FIG. 2 is a perspective view of a main part of a conventional automatic testing apparatus for blood and the like.

FIG. 3 is a perspective view of a conventional rack provided with an engagement groove for preventing the rack from tipping over.

FIG. 4 is a perspective view of a main part of an automatic blood or other test apparatus for implementing the present invention.

FIG. 5 is a perspective view of a rack embodying the present invention.

FIG. 6 is a perspective view of another embodiment of a rack embodying the present invention.

FIG. 7 is a plan view showing a state in which racks for carrying out the present invention are continuous in the longitudinal direction.

FIG. 8 is a front view of the rack in the same state.

FIG. 9 is a plan view of a rack of another embodiment in the same state as above.

FIG. 10 is a longitudinal sectional front view in a state in which a rack of a main part of the automatic blood and blood test apparatus for carrying out the present invention is set.

FIG. 11 is a vertical sectional side view of a main part of the above.

FIG. 12 is an explanatory diagram of an operation of a main part of the above.

[Explanation of symbols]

A: Automatic inspection device, a: Main body, b: Transfer device, w: Transfer path, h: Rise height, G: Center of gravity position, D: Distance, 1: Test tube, 2: Rack, 20: Pipe insertion hole , 21 ... fitting groove, 3 ...
Supply stand, 30 ... guide rail, 4 ... feeding device, 5 ...
Collection stand, 6 ... rising member, 7 ... hook member, 8 ... suspension member, 8
0: Upper end face.

Claims (2)

(57) [Claims] 1. At right and left ends of a rack 2, hook members 7, 7 projecting outward in the left-right direction are located at positions higher than the center of gravity when the rack 2 supports the test tubes 1. In the automatic inspection apparatus A, the supply table 3 is provided on both sides of the transfer path w of the rack 2 on the surface of the supply table 3 of the automatic inspection apparatus A.
Hooks 7.7 at the left and right ends of the rack 2 set on the
On the other hand, the upper end surfaces 80, 80 are vertically overlapped, and the upper end surfaces 80, 80 are extended in the front-rear direction by extending the suspension members 8.8, which are located at a small distance from the hook members 7.7 at a short distance below. A device for preventing a rack from overturning on a supply table of an automatic blood and blood test apparatus, which is provided. 2. The hook members 7.7 provided on the left and right ends of the rack 2 are connected to the hook members 7.7 on the left and right ends of the other rack 2.
7 and a shape which is fitted and overlapped with each other.
A device for preventing a rack from overturning in a supply table of the automatic blood and blood test apparatus described above.