JP2000121466A - Coupling apparatus for torque driver - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance workability of torque setting compared to conventional setting work for torque drivers, by arranging a socket engaging member and a receiving part, on each surface of the polyhedron of a coupling device body. SOLUTION: In coupling device 10 for torque drivers which couples a torque driver tester to a torque driver D where a desired torque value is set, a coupling device body 10' is formed into a polyhedron, and along with it a socket engaging member 11 and a receiving part 12 fitted to the upside of the socket engaging member 11 are arranged on each surface 10a of the polyhedron.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION Generally, when an electric component or a mechanical component is mounted at a predetermined location, the electrical component or the like to be mounted is mounted using bolts, screws, or the like.
A torque screwdriver is used to tighten the bolts and screws. This manages the tightening pressure of bolts, screws, etc. and electrical components, etc.,
Alternatively, it is possible to prevent tightening due to an excessively small tightening pressure so that reliable electric parts and mechanical parts without variation can be mounted. To this end, the torque value of the torque driver is constantly measured and managed with a torque driver tester.

[0002] The present invention is used for measuring and managing the torque value of a torque driver when tightening the above-mentioned bolts, screws and the like with a torque driver tester.
The present invention relates to a torque driver connecting device for connecting a torque driver tester and a torque driver.

[0003]

2. Description of the Related Art A conventional torque driver connecting device will be described below with reference to FIGS.

D1 is a torque driver body as an example, and the torque driver body D1 is a handle d1.
And a drive d3 formed with a regular hexagonal recess d3 'attached to the tip of the arm d2. A torque driver D is configured by attaching a driver attachment corresponding to a bolt, a screw, and the like to be used to the torque driver body D1.

[0005] T is a torque driver tester,
On a predetermined panel of the box t1 of the torque driver tester T, a measurement display unit t2 for displaying the torque value in an analog or digital manner, and a regular hexagonal recess t3 'into which one end of a driver attachment described later is inserted. The formed socket t3 is provided. Here, t4 is the zero adjustment volume of the measurement display unit t2, and t5 is
A zero adjustment setting reset button on the measurement display section t2, and t6 is a power switch.

Reference numeral 1 denotes a regular hexagonal column-shaped fitting member which can be inserted into a regular hexagonal concave portion t3 'of the socket t3 of the torque driver tester T. 2 is a regular hexagonal concave portion 2a 'into which one end of a regular hexagonal column-shaped fitting member 1 can be inserted.
And a male socket 2b having a female portion 2a and a male portion 2b fitted at the other end to a concave portion d3 'of a drive d3 of the torque driver body D1.
In this embodiment, the drive d3 is formed in a regular hexagonal column shape corresponding to the concave portion d3 '.

When measuring the torque of the torque driver D, one end of the fitting member 1 is fitted into a regular hexagonal concave portion t3 'of the socket t3 of the torque driver tester T,
Further, the other end of the fitting member 1 protruding from the socket t3 of the torque driver tester T is inserted into the recess 2a 'of the female portion 2a of the socket bit 2. Thereafter, the male part 2b of the socket bit 2 is fitted into the concave part d3 'of the drive d3 of the torque driver body D1, and the torque driver body D is rotated, and the torque is set on the torque driver tester T. The torque value was measured by a torque meter, and the torque value of the torque driver D was set. As described above, conventionally, the torque driver tester and the torque driver are connected by the fitting member 1 and the socket bit 2.
And the torque value of the torque driver D was set.

[0008]

Until a product is assembled using bolts, screws, etc., a plurality of types of bolts, screws, etc. are required, and a corresponding torque driver is required. Until the completion of one product, there is a problem that the torque driver must be replaced many times, resulting in poor workability. On the other hand, using one torque screwdriver, the torque
Replacing the screwdriver attachment D2 in the recess d3 ′ of No. 3 each time in correspondence with the above-mentioned bolts and screws or the like has a problem that the set torque of the torque screwdriver is changed.

When measuring the torque of the torque driver, the relationship between the torque driver and the socket bit is as follows.
For the actual assembly work, the tip shape of the torque driver is a bolt,
Even if the shape is changed to a screw, etc., the socket bit is always the same as the tester in the tester measurement, so an error occurs in the actual torque and it is an approximate value and cannot be a correct value. .

It is an object of the present invention to solve the problems of the above-described conventional torque driver connecting device and to provide a torque driver connecting device capable of setting a more accurate torque.

[0011]

In order to achieve the above-mentioned object, the present invention relates to a torque driver connecting device for connecting a torque driver tester and a torque driver for setting a desired torque value. , While forming the connecting device body in a polyhedron, on each surface of the polyhedron,
A socket engaging member and a receiving portion attached to an upper portion of the socket engaging member are arranged. Second, the socket engaging member has the same shape and size as the heads of bolts, screws, and the like actually used. Thirdly, it has a rotation axis that coincides with the rotation axis of the socket of the torque driver tester and the rotation axis of the driver attachment of the torque driver, and the center of gravity is on the rotation axis. It is one that is located.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference numeral 10 denotes a connecting device for a torque driver, which is disposed on a panel of a torque driver tester T at a central portion of each surface 10a of a connecting device body 10 'having a regular hexahedron shape, that is, a cubic shape. The installed socket t3
The socket engaging member 11 in the shape of a polygonal column having a shape that can be fitted into the concave portion t3 '. In this embodiment, since the concave portion t3 'of the socket t3 arranged on the panel of the torque driver tester T is formed in a regular hexagonal shape, the socket engaging member 11 is formed in a regular hexagonal column shape. . The socket engaging members 11 attached to the respective surfaces 10a of the connecting device main body 10 'have the same shape and the same weight. The socket engaging portion 11 may be a normal hexagonal nut that is generally commercially available. If this commercially available hexagonal nut is used, it can be manufactured inexpensively and easily. Of course, these may be formed by cutting or the like.

At the upper part of the socket engaging part 11, a tip of an engaging part d4 of a driver attachment D2 corresponding to a bolt, a screw or the like to be used, which is fitted into a concave part d3 'of a drive d3 of the torque driver body D1. Fitting receiving part 12
However, it is detachably attached. This receiving part 12
Are formed in the same shape and the same size as the heads of bolts, screws and the like actually used. For example, as the receiving portion 12, a head 12a of a plus screw, a head 1 of a minus screw
2b and a bolt head 12c having a hexagonal hole. In this manner, the desired receiving section 12 is appropriately replaced with the receiving section 12.
It is configured so that it can be removably attached to. Here, d5 is the head of the driver attachment D2 fitted into the concave portion d3 'of the drive d3 of the torque driver body D1, and in this embodiment, the head portion corresponds to the concave portion d3' of the drive d3. It is formed in a hexagonal column shape.

Next, the torque driver connecting device 1 will be described.
A method of using the torque driver tester T using 0 will be described.

A mounting portion 12 having the same shape and size as the heads of bolts, screws, etc. actually used is mounted on a surface 10a opposite to the surface 10a of the connecting device main body 10 '. The socket engaging member 11 is fitted into the recess t3 ′ of the socket t3 provided on the panel of the torque driver tester T, and the torque driver connecting device 10 is attached to the torque driver tester T.
Next, a receiving portion 12 having the same shape and size as the heads of the actually used bolts and screws of the torque driver connecting device 10 attached to the torque driver tester T is provided. While engaging the engaging portion d4 of the torque driver D to which the driver attachment D2 having the engaging portion d4 is attached and rotating the torque driver D, while checking the measurement display portion t2 of the torque driver tester T. Adjust the torque driver D to set a desired torque value.

In the torque setting operation of the torque driver D by the torque driver tester T as described above, the rotation axis of the socket t3 of the torque driver tester T and the connection for the torque driver rotating with the rotation of the torque driver D. The rotation axis of the device 10 and the rotation axis of the driver attachment D2 of the torque driver D are configured to be coincident and straight, and the center of gravity of the torque driver coupling device 10 is Are configured to be located on the rotation axis. With this configuration,
At the time of torque setting work, the torque driver connecting device 1
0 does not become eccentric, and a desired torque value can be set accurately. Connection device 10 for torque driver
So that each face 10a of the coupling device main body 10 'is not eccentric.
It is preferable that the receiving portion 12 attached to the socket engaging portion 11 attached to the
If the weight of the receiving portion 12 itself is different due to the difference in size, material, etc., the socket engaging portion 11 and the receiving portion 1
2, a weight is attached to each surface 10 of the coupling device body 10 '.
It is preferable for more accurate torque setting work to adjust the receiving portions 12 attached to a so that they all have the same weight.

In the above-described embodiment, an example is shown in which the coupling device main body 10 'of the torque driver coupling device 10 is formed in a regular hexahedron shape. It is sufficient that the center of gravity is located on the rotation axis of the torque driver connecting device 10, and it can be formed into a regular hexahedron, regular icosahedron, or the like.

In the present invention, as described above, the torque driver tester T and the torque driver D are connected only via the torque driver connecting device 10, and are connected to each face 10a of the polyhedron of the connecting device main body 10 '. ,
Since the socket engaging member 11 and the receiving portion 12 are provided, the conventional torque driver D is configured to connect the torque driver T and the torque driver D via the fitting member 1 and the socket bit 2. The workability is improved as compared with the torque setting work.

In the present invention, a torque driver D is provided by using a torque driver coupling device 10 to which a receiving portion 12 having the same shape and size as the heads of bolts, screws, etc. actually used is attached. Since the torque setting operation described above is performed, it is possible to set substantially the same torque value as the tightening torque of bolts and screws used for assembling the product.

Furthermore, the rotation axis of the socket t3 of the torque driver tester T, the rotation axis of the torque driver coupling device 10 that rotates with the rotation of the torque driver D, and the rotation axis of the driver attachment D2 of the torque driver D , So that the center of gravity of the torque driver connecting device 10 is located on the rotation axis of the torque driver connecting device 10, so that the torque The driver coupling device 10 does not become eccentric, so that a desired torque value can be set accurately.

In the above-described embodiment, the torque attachment is used for the driver attachment.
Although the torque driver is set at an angle of 0 degrees, the torque driver is not limited to this. The torque driver may be linear with respect to the driver attachment, and may be electrically driven, pneumatic, or manually driven. The formula may be used, and the point is that the torque can be adjusted.

[0022]

Since the present invention is configured as described above, the following effects can be obtained.

Since the socket engaging member and the receiving portion are provided on each surface of the polyhedron of the connecting device main body of the connecting device for the torque driver, the workability is improved as compared with the conventional torque setting work of the torque driver.

Since the receiving portion having the same shape and size as the heads of the bolts and screws actually used is attached, the torque is substantially the same as the tightening torque of the bolts and screws used for assembling the product. Can be set.

The axis of rotation of the socket of the torque driver tester, the axis of rotation of the coupling device for the torque driver that rotates with the rotation of the torque driver, and the axis of rotation of the driver attachment of the torque driver are aligned and aligned. And the center of gravity of the torque driver connecting device is located on the rotation axis of the torque driver connecting device, so that the torque driver connecting device may be eccentric during torque setting work. Therefore, it is possible to accurately set a desired torque value.

[Brief description of the drawings]

FIG. 1 is a perspective view of a torque driver connecting device of the present invention.

FIG. 2 is a front view of the torque driver connecting device of the present invention.

FIG. 3 is a front view of a torque driver as an example and a coupling device for a torque driver of the present invention.

FIG. 4 is a front view of the torque driver tester.

FIG. 5 is a front view of a conventional torque driver connecting device and the like.

[Explanation of symbols]

D ··· Torque screwdriver D1 · · · Torque screwdriver body D2 · · · Driver attachment T · · · · ·········································································································································································· .... Reception part

Claims (3)

[Claims] 1. A connecting device for a torque driver for connecting a torque driver tester and a torque driver for setting a desired torque value, wherein a connecting device main body is formed in a polyhedron, and a socket engaging member is provided on each surface of the polyhedron. And a receiving portion attached to an upper portion of the socket engaging member. 2. The torque driver connecting device according to claim 1, wherein a receiving portion having the same shape and size as the heads of bolts, screws and the like actually used is attached. 3. A torque driver tester having a rotation axis that coincides with a rotation axis of a socket of the torque driver tester and a rotation axis of a driver attachment of the torque driver.
The coupling device for a torque driver according to claim 1 or 2, wherein a center of gravity is located on the rotation axis.