JP2600688Y2 - Adapter for torque wrench checker - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an adapter used for connecting a torque wrench and a torque wrench checker when checking a preset type torque wrench.

[0002]

2. Description of the Related Art For example, as shown in FIG. 1, in order to measure the torque value of a preset type torque wrench 1 having a spanner, a hexagonal projection 3 for engaging a torque wrench provided on a torque checker 2 is provided. Torque Ren and 1 spanner 4
Then, the handle portion of the torque wrench is rotated in the tightening direction, and the torque value at the time of the operation of the toggle in the torque wrench 1 generated by the rotation is indicated by the indicated value indicated on the torque wrench checker 2. There is something to detect.

[0003]

However, since the shape and size of the hexagonal adapter 3 for engaging the torque wrench which is fitted and held in the torque wrench checker 2 is constant, the hexagonal projection 3 engages with the hexagonal projection 3. Since the size of the spanner portion 4 of the torque wrench to be performed is naturally determined, the fixed torque wrench checker 2 can only check the torque wrench 1 having the spanner portion 4 of a fixed size. However, it was impossible to check various types of torque wrenches with a single type of torque checker.

Therefore, conventionally, in order to check the torque of various torque wrenches, it is necessary to prepare various torque wrench checkers in advance or to prepare adapters of various diameters which can correspond to torque wrench spanners of various sizes. In addition, the adapter has to be replaced for each torque wrench having a different diameter of the wrench, so that the measurement workability is poor, and there is an inconvenience that each adapter must be managed.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of such conventional inconvenience, and has developed an adapter which can be used in common with various types of torque wrenches. An object of the present invention is to provide a torque checker adapter that can easily perform a torque check of a torque wrench having a spanner portion of various sizes by using a wrench checker.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail based on an embodiment shown in the drawings. The same parts of the structure of the present embodiment and the structure described in the conventional example will be denoted by the same reference numerals used in the conventional example. The description of the structure of the same structure is omitted.

That is, the present invention is characterized by an adapter 6 which can be engaged with the measuring shaft 5 of the torque wrench checker 2. The structure of the adapter 6 will be described below.

The adapter 6 has the structure shown in FIGS. 2 and 3, and 7 is a square drive 8 fitted to the measuring shaft 5 of the torque wrench checker 2 and is formed integrally with one end of the square drive 8; This is a main adapter having a flange portion 9 having a concave groove 9B in the diameter direction, and a screw hole 10 formed on the central axis of the flange portion 9 and the square drive 8.

Reference numerals 11, 12, 13, and 14 denote sub-adapters to be assembled to the main adapter 7. The sub-adapters 11, 12, 13, and 14 have different outer diameters as shown in FIG. The sub-adapter 11, 12, 13, 14 has ridges 11A, 12A, 13A, 14A extending in the diametrical direction on one side, and any of the above ridges on the other side. Recessed grooves 11B, 12B, 13B, 14B in the diameter direction are formed.

Further, a screw through hole 15 is formed on the center axis of each sub-adapter.

The adapter 6 of this embodiment is formed by a combination of the main adapter 7 and sub-adapters 11, 12, 13, and 14, and is provided on a flange 9 of the main adapter 7 as shown in FIG. The convex ridge 14A of the sub-adapter 14 is engaged with the concave groove 9B, the convex ridge 13A of the sub-adapter 13 is engaged with the concave groove 14B of the sub-adapter 14, and the sub-adapters 12 and 11 are sequentially engaged in the same manner. Let it.

Next, a mounting screw 16 is inserted into the through hole 15 at the center of the
6 is screwed into the screw hole 10 of the main adapter 7, and several sub-adapters 11, 12, 13, 1 are attached to the main adapter 7.
4 are integrally joined.

In the above-described embodiment, four sub-adapters are prepared, and the sub-adapters are skewed by the mounting screws 16 and are integrally screwed to the main adapter 7. Is not limited, and may be, for example, four or less or four or more, and the sub-adapter may also be selected so that the required outer diameter is required.

Of course, the length of the mounting screw 16 must be selected and used according to the number of sub-adapters used.

As described above, in this embodiment, a plurality of sub-adapters of different sizes are coaxially coupled to the main adapter 7 having the angular drive 8 which can be engaged with the drive shaft of the torque wrench checker. In addition, since the sub-adapter and the main adapter 7 are integrally connected by mounting screws, according to this configuration, a plurality of sub-adapters of a size required by the user are combined and connected to the main adapter. Since the adapter can be used by fitting the adapter to a measurement shaft of a torque checker, the torque measurement work of a torque wrench that can be used with a torque wrench spanner of various models can be easily performed.

The combination and number of the sub-adapters can be freely selected, thereby greatly improving the torque check workability of various torque wrenches.

[0017]

As described above, the present invention has a square drive 8 fitted to the measuring shaft 5 of the torque wrench checker at one end and a sub-adapter fitting groove 9B at the other end.
Furthermore, the main drive 7 having a screw hole 10 provided on the center axis of the square drive, and a ridge that can be engaged with the fitting groove are provided on one side, and the ridge can be engaged with the other side. A plurality of sub-adapters 11, 12, 13, and 14 having concave grooves of various dimensions and having various dimensions to hold wrench of various sizes and having a mounting screw insertion hole 15 at the center, and mounting screws of these sub-adapters are inserted. Since the adapter is composed of mounting screws 16 which are inserted into the holes 15 and screw these sub-adapters to the main adapter, a plurality of sub-adapters of a size required by the user are combined to form the main adapter. The adapter can be connected to an adapter, so this adapter can be fitted to the measuring axis of the torque checker and used for a multi-model torque wrench spanner. Torque measuring operation in response can torque wrench is one that can be easily.

The combination and the number of the sub-adapters are free, and the effect of greatly improving the torque check workability of various torque wrenches is obtained.

[Brief description of the drawings]

FIG. 1 is an explanatory view of a conventional torque wrench checker.

FIG. 2 is a front view of the adapter according to the embodiment of the present invention.

FIG. 3 is a right side view of the adapter according to the embodiment of the present invention.

FIG. 4 is a left side view of the adapter according to the embodiment of the present invention.

5 (a), (b), (c) and (d) are a front view and a side view of various sub-adapters of the embodiment of the present invention.

FIG. 6 is an explanatory view when the adapter of the embodiment of the present invention is combined.

FIG. 7 is a perspective view of the completed adapter according to the embodiment of the present invention;

FIG. 8 is an explanatory view of the mounting state of the adapter according to the embodiment of the present invention.

FIG. 9 is an explanatory diagram of the mounting and use state of the adapter of the embodiment of the present invention.

[Explanation of symbols]

 5 ... Measurement axis 6 ... Adapter 7 ... Main adapter 8 ... Square drive 9 ... Flange part 10 ... Screw hole 11 ... Sub adapter 12 ... Sub adapter 13 ... Sub adapter 14 ... Sub adapter 15 ... Screw through hole 16 ... Mounting screw

Claims (1)

(57) [Scope of request for utility model registration] 1. A measuring shaft (5) for a torque wrench checker.
A square drive (8) fitted at one end, a sub-adapter fitting groove (9B) at the other end, and a screw hole (10) provided on the center axis of the square drive. A main adapter (7) and a convex groove on one side having a convex groove capable of engaging with the above-mentioned fitting groove, and a concave groove having a dimension capable of engaging with the convex line is formed on the other side. A plurality of sub-adapters (11), (12), (1) each having various dimensions to be added and having a mounting screw insertion hole (15) in the center.
3) and (14), and mounting screws (16) which are inserted into the mounting screw insertion holes (15) of these sub-adapters and screw these sub-adapters to the main adapter. LUC wrench checker adapter.