JPH0535700Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to a belt attachment structure, and particularly to a belt attachment structure for detachably attaching a transportation belt to a transported object.

[Conventional technology]

2. Description of the Related Art Generally, objects to be transported, such as handy-type measuring instruments and home appliances, are attached with a transport belt such as a shoulder belt in order to make them easier to carry.

Fig. 8 shows an airflow meter to which such a conveying belt is attached, and the reference numeral 11 indicates the airflow meter itself, which is a transported object that measures the airflow from an air conditioning outlet or a clean room outlet. It shows.

On the front surface of the airflow meter main body 11, there are formed a display section 13 that displays the air flow rate from an air conditioning outlet or a clean room outlet, and a keyboard section 14 for inputting commands and the like.

A transport belt 15 for transporting the air flow meter main body 11 is attached to the side surface of the air flow meter main body 11.

9 and 10 show the belt attachment structure of the conveyor belt 15 to the airflow meter main body 11,
A trapezoidal attachment/detachment fitting 17 is arranged at the end of the conveyance belt 15 . By locking this attachment/detachment fitting 17 to a connecting member 19 formed on the side surface of the airflow meter main body 11, the transportation belt 15
is attached to the side of the airflow meter main body 11.

The attachment/detachment fitting 17 is formed by bending a single metal rod into a trapezoid shape, and its both ends are inserted into the insertion holes 21 of the connecting member 19 formed on the side surface of the airflow meter main body 11.
It is inserted from both sides.

The belt winding part 23 of the attachment/detachment fitting 17 is wound around the end of the conveyor belt 15, and the inside of the belt winding part 23 is wound around the end of the conveyor belt 15.
A ring portion 25 into which the ring 3 is inserted is formed. This ring portion 25 is formed by folding back the end portion of the conveying belt 15 and fixing its tip portion to the conveying belt 15 with a fixing metal fitting 27 .

With the air flow meter configured as described above, the air volume etc. can be easily measured by carrying the carrying belt 15 by hand or hanging it on the shoulder to the vicinity of the air conditioning outlet or the outlet of a clean room or the like. I can do it.

In such an airflow meter, if the carrying belt 15 is used on a table or if the carrying belt 15 gets in the way, it is more convenient to remove the carrying belt 15. The conveyor belt 15 was removed by unfolding the belt 29 and pulling out the attachment/detachment fitting 17 from the insertion hole 21 of the connecting member 19 formed on the side surface of the airflow meter body 11.

[The problem that the idea attempts to solve]

However, in such a conventional belt attachment structure, each time the conveyor belt 15 is attached to or detached from the airflow meter main body 11, the gap 29 at both ends of the attachment/detachment fitting 17 is widened or narrowed using a tool or the like. This is necessary and troublesome, and there is a problem that the attachment/detachment fitting 17 may become fatigued and break.

In addition, by directly screwing the transport belt 15 onto the airflow meter body 11 with screws, the transport belt 1
There is a way to attach 5 to the airflow meter body 11,
In this case, it is necessary to retighten the screws each time the screws become loose or the conveyor belt 15 is attached or detached, which is troublesome. Further, in this case, since the conveyance belt 15 was directly screwed onto the airflow meter main body 11, there was a problem that the free movement of the conveyance belt 15 was restricted, making it difficult to hold.

Furthermore, the belt winding portion 23 of the attachment/detachment fitting 17
The transport belt 15 is wound around the transport belt 1.
A ring portion 25 is formed on the conveyor belt 15 by joining the so-called magic tapes arranged at two locations of 5, and the conveyor belt 15 is attached to the airflow meter main body 1.
1. In this case, the structure is simple, but if an impact occurs on the transport belt 15, the joint between the magic tapes will be released and the transport belt 15 will be attached to the attachment/detachment fitting 17. There was a problem that there was a risk that it would come off.

The present invention was developed to solve the above-mentioned problems, and it is possible to securely fix the transport belt to the transported object without restricting free movement, and also to prevent the transport belt from being covered. It is an object of the present invention to provide a belt attachment structure that can be attached to and detached from a carrier more easily than before.

[Means to solve the problem]

The belt attachment structure of the present invention connects one end of the attachment/detachment fitting in which the belt insertion hole is formed to the connection member fixed to the conveyed object, and connects the other end of the attachment/detachment fitting with the belt insertion hole. In a belt mounting structure in which a belt winding part formed adjacent to the belt winding part is formed with a ring part around which the end of the conveying belt can swing, the connecting member is connected to the belt winding part, and an engagement recess is formed on the outer periphery of the head part. a pin locking hole continuous with the belt insertion hole is formed at a position facing the belt winding portion of the attachment/detachment fitting;
The pin locking hole of the attachment/detachment fitting is movably engaged with the engagement recess of the engagement pin, and the ring portion of the conveying belt is a double ring portion consisting of an inner ring and an elliptical outer ring. , the tip of the elliptical outer ring in the major diameter direction is located near the pin locking hole.

[Effect]

In the belt attachment structure of the present invention, the ring part of the conveyance belt is a double ring part consisting of an inner ring and an elliptical outer ring, and the tip of the elliptical outer ring in the long diameter direction is located near the pin locking hole. When the engaging pin of the transported object, which is movably engaged with the pin locking hole formed in the attachment/detachment fitting, attempts to slide from the pin locking hole to the belt insertion hole, the elliptical outer ring is The tip of the pin comes into contact with the engagement pin, and the engagement pin is prevented from coming off from the pin locking hole.

In addition, to remove the attachment/detachment fitting from the engagement pin fixed to the object to be transported, center the belt winding part of the attachment/detachment fitting so that the pin locking hole is located in the short diameter direction of the elliptical outer ring. This is done by swinging the double ring part of the conveyor belt to form a certain gap between the pin locking hole and the tip of the elliptical outer ring in the short diameter direction, and then pulling out the engagement pin from this gap. be exposed.

〔Example〕

Hereinafter, details of the present invention will be described with reference to an embodiment shown in the drawings.

Fig. 1 shows an airflow meter to which a conveyor belt is attached by applying the belt attachment structure of the present invention, and reference numeral 31 indicates an object to be transported, which measures the air volume from an air conditioning outlet or an outlet in a clean room, etc. The main body of the airflow meter is shown.

A display section 33 for displaying the air volume and the like, and a keyboard section 34 for inputting commands and the like are formed on the front surface of the airflow meter main body 31.

On the other hand, a cylindrical engagement pin 35 serving as a connecting member is fixed to the side surface of the airflow meter body 31, and this engagement pin 35 has a belt insertion hole 37 formed therein for attachment and detachment, as shown in FIG. One end of the metal fitting 39 is connected.

A belt winding part 41 is formed adjacent to the belt insertion hole 37 on the other end side of the attachment/detachment fitting 39, and a belt insertion hole is formed at a position facing the belt winding part 41 of the attachment/detachment fitting 39. An elongated pin locking hole 43 continuous with 37 is formed toward one end of the attachment/detachment fitting 39 . That is, T-shaped holes 37 and 43 are formed in the attachment/detachment fitting 39 by the belt insertion hole 37 and the pin locking hole 43.

3 and 4 on the outer periphery of the head of the engaging pin 35.
As shown in the figure, a single engagement recess 45 is formed, and when the engagement recess 45 of the engagement pin 35 engages with the pin locking hole 43 of the attachment/detachment fitting 39, the attachment/detachment fitting 39 is movably connected to the engagement pin 35 of the airflow meter main body 31.

Further, as shown in FIG. 2, an end portion of a conveying belt 47 is wound around a belt winding portion 41 formed on the other end side of the attachment/detachment fitting 39 to form a double ring portion 4.
9 is formed. That is, the belt winding part 41 is inserted through the inside of the double ring part 49, and the double ring part 49 can swing around the belt winding part 41.

The double ring portion 49 is composed of an elliptical inner ring 51 and an elliptical outer ring 53, and these rings 51 and 53 are arranged as shown in FIG.
It is formed by bending the ends of the conveyor belts 47 and fixing the conveyor belts 47 to each other with two fixing fittings 55, and as shown in FIG. covered.

The tip of the elliptical outer ring 53 in the longer diameter direction is located near the pin locking hole 43, as shown in FIGS. 3 and 4.

In the air flow meter configured as described above, the air flow meter main body 31 can be easily transported to the vicinity of an air conditioning outlet or an air outlet in a clean room by holding the carrying belt 47 in the hand or hanging it on the shoulder. This makes it possible to easily measure airflow, etc.

Therefore, in the belt mounting structure configured as described above, the belt winding portion 41 is wound by the elliptical inner ring 51 and the elliptical outer ring 53, and the tip of the elliptical outer ring 53 in the longer diameter direction is locked with a pin. Since it is located near the hole 43, the engaging pin 35 of the airflow meter body 31, which is movably engaged with the pin locking hole 43 formed in the attachment/detachment fitting 39, is positioned near the pin locking hole 4.
3 to the belt insertion hole 37,
The tip of the elliptical outer ring 53 in the long diameter direction contacts the engagement pin 35 and the pin locking hole 43 of the engagement pin 35
This prevents the conveyor belt 47 from coming off, and the conveyor belt 47 can be fixed to the airflow meter body 31 more reliably than in the past.

In addition, in the belt mounting structure configured as above, the attachment/detachment fitting 39 can be removed from the engagement pin 35 of the airflow meter body 31 by using the elliptical outer ring 53 as shown in FIGS. 6 and 7. The double ring portion 49 of the conveying belt 47 is swung around the belt winding portion 41 of the attachment/detachment fitting 39 so that the pin locking hole 43 is located in the short diameter direction of the pin locking hole 43. This can be done by forming a certain gap between the tip of the elliptical outer ring 53 in the short diameter direction and pulling out the engagement pin 35 from this gap.
can be attached to and detached from the airflow meter main body 31 more easily than before. Furthermore, the conveyor belt 47 can be attached to and detached from the airflow meter body 31 simply by sliding the engagement pin 35 through the pin locking hole 43, so there is no need to bend the attachment/detachment fitting 39 as in the conventional case. Without,
Damage to the attachment/detachment fitting 39 and the engagement pin 35 can be prevented.

Furthermore, in this embodiment, the pin locking hole 43 formed in the attachment/detachment fitting 39 is movably engaged with the engagement recess 45 of the engagement pin 35 fixed to the airflow meter main body 31, so that it can be used for transportation. The carrying belt 47 can be fixed to the airflow meter main body 31 without restricting the free movement of the belt 47.

In the above embodiment, an example was explained in which the double ring portion 49 was formed by bending the end of the conveying belt 47, but the present invention is not limited to the above embodiment. Even if the inner ring and the elliptical outer ring are formed from separate members and connected to the conveying belt with a fixing metal fitting, the same effect as in the above embodiment can be obtained.

Further, in the above embodiment, an example was explained in which T-shaped holes 37 and 43 were formed in the attachment/detachment fitting 39 by the pin locking hole 43 and the belt insertion hole 37.
The present invention is not limited to the above embodiments,
Even if an L-shaped hole is formed in the attachment/detachment fitting using the pin locking hole and the belt insertion hole, substantially the same effect as in the above embodiment can be obtained.

Furthermore, in the above embodiment, the airflow meter main body 31 includes:
Although an example has been described in which the belt attachment structure of the present invention is applied to attach the transport belt 47, the present invention is not limited to the above embodiment.
Even when a conveyance belt is attached by applying the belt attachment structure of the present invention, the same effects as in the above embodiment can be obtained.

[Effect of idea]

As described above, in the belt mounting structure of the present invention, the connecting member is formed by an engaging pin having an engaging recess formed on the outer periphery of the head, and is located at a position opposite to the belt winding part of the attachment/detachment fitting. A pin locking hole is formed that is continuous with the belt insertion hole, and the pin locking hole of the attachment/detachment fitting is movably engaged in the engagement recess of the engagement pin.
Furthermore, the ring part of the carrying belt is a double ring part consisting of an inner ring and an elliptical outer ring, and the tip of the elliptical outer ring in the long diameter direction is located near the pin locking hole, so it can be formed into a detachable metal fitting. When the engaging pin of the conveyed object, which is movably engaged with the pin locking hole, attempts to slide from the pin locking hole to the belt insertion hole, the tip of the longer diameter of the elliptical outer ring It is possible to prevent the engagement pin from coming out of the pin locking hole, and the transportation belt can be reliably fixed to the transported object without restricting the free movement of the transportation belt. .

In addition, when removing the attachment/detachment fitting from the engagement pin fixed to the conveyed object, the attachment/detachment fitting should be centered around the belt winding part of the attachment/detachment fitting so that the pin locking hole is located in the short diameter direction of the elliptical outer ring. This is done by swinging the double ring part of the conveyor belt to form a certain gap between the pin locking hole and the tip of the short diameter direction of the elliptical outer ring, and then pulling out the engagement pin from this gap. This allows the conveyor belt to be attached to and detached from the conveyed object more easily than before.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing an airflow meter to which a conveying belt is attached using the belt attachment structure of the present invention. FIG. 2 is an enlarged perspective view of the attachment/detachment fitting shown in FIG. 1 and its vicinity. FIG. 3 is a longitudinal sectional view showing the attachment/detachment fitting shown in FIG. 1 and its vicinity. FIG. 4 is a plan view of FIG. 3. FIG. 5 is a perspective view showing the double ring portion of FIG. 1. FIG. 6 is a longitudinal cross-sectional view showing a state in which the attachment/detachment fitting is removed from the engagement pin of the transported object. FIG. 7 is a plan view of FIG. 6. FIG. 8 is a perspective view showing an airflow meter to which a conveying belt is attached using a conventional belt attachment structure. FIG. 9 is a side view showing the attachment/detachment fitting of FIG. 8 and its vicinity. FIG. 10 is a plan view of FIG. 9. Explanation of symbols of main parts, 31... Air flow meter body, 35... Engagement pin, 37... Belt insertion hole,
39...Detachable metal fittings, 41...Belt winding part, 4
3...Pin locking hole, 45...Engagement recess, 47...
Transport belt, 51... Oval inner ring, 53
...Oval shaped outer ring.

Claims (1)

[Scope of utility model registration request] One end of a detachable fitting in which a belt insertion hole is formed is connected to a connecting member fixed to a conveyed object, and a belt winding is formed adjacent to the belt insertion hole at the other end of the attaching and detachable fitting. In a belt mounting structure in which a winding ring part is formed in the winding part so that the end part of the conveyance belt can swing, the connecting member is formed by an engaging pin having an engaging recess formed in the outer periphery of the head part. At the same time, a pin locking hole continuous with the belt insertion hole is formed at a position facing the belt winding part of the attachment/detachment fitting, and a pin locking hole of the attachment/detachment fitting is formed in an engagement recess of the engagement pin. movably engages the hole,
Further, the ring portion of the conveying belt is a double ring portion consisting of an inner ring and an elliptical outer ring, and the tip of the elliptical outer ring in the longer diameter direction is located near the pin locking hole. Belt mounting structure.