JP4666895B2 - Cable protector for portable submersible pump - Google Patents

Description

The present invention is a cable protector of the portable water pump, more particularly, cables or connecting the portable water pump to the power supply, but on the protection device of the cable for anchoring the float-type water level detectors attached to the pump is there.

  Many portable submersible pumps are provided with a handle for suspension on the top surface of the pump, and as a conventional manner of locking the cable, there is a method in which the cable is fixed to the side surface of the handle or the like via an engagement fitting. It is general (see, for example, Patent Document 1).

However, when a portable submersible pump, especially a small construction pump, is moved, the cable is often pulled despite the fact that a handle is provided.
Japanese Utility Model Publication No. Hei 4-108330 (FIGS. 4 and 8)

  Preventing cable disconnection accidents by alerting the wrong operator who moves the pump by pulling the cable to be solved. Furthermore, the second problem is to prevent cable disconnection accidents due to buffering of excess tension to the cable when the pump is dropped due to detachment or breakage from the hanging tool in the pump suspended state.

Cable protector portable water pump according to claim 1, wherein according to the present invention, a cable clip having a leg that sent down guide from該挟attaching portion and clamped a cable derived from the upper surface of said water pump , provided on the upper surface of the water pump consists of a cable clip holder with the engaging hole, the cable clip holder, Yes and locking edges of the inner屈状is attached to the starting hole peripheral portion of the engaging hole, In the cable clip, a flexible locking claw that locks to an inwardly bent locking edge in the engagement hole projects from the lower end of the leg, and the lower end of the leg and the engagement hole When the leg is press-fitted into the engagement hole with the bottom of the hole connected by an elastic contraction body, the cable clip and the cable clip holder are joined, and when the cable is subjected to a force exceeding the allowable tensile load, the cable clip side The flexible locking claw Disengaged from over Bull clip holder side of the locking edge in Succoth exit from the cable clip in the cable clip holder, while attention to the operator, the friction between the engaging portion of the clip and the holder of the cable In addition to resistance, the cable is configured so that excessive tension is not applied to the cable by a synergistic buffering of the traction force of the linked elastic contractors .

Further, the cable protector portable water pump according to claim 2, wherein according to the present invention, the cable having a leg that sent down guide from該挟attaching portion and clamped a cable derived from the upper surface of said water pump clip and, provided on the upper surface of the water pump consists of a cable clip holder with the engaging hole, the cable clip holder, the flexible locking pawl of the inner屈状the starting end hole peripheral portion of the engaging hole The cable clip is provided with an outwardly expanding locking edge that is locked to an inward bent flexible locking claw within the engagement hole, and is attached to the outer periphery of the lower end of the leg. With the lower end of the body and the bottom of the engagement hole connected by an elastic contraction body, the leg is pressed into the engagement hole to join the cable clip and the cable clip holder, and the cable has a force that exceeds the allowable tensile load The cable clip. Cable clip engaging the edge of the side is disengaged from the flexible locking pawl of the cable clip holder side in Succoth exit from the cable clip holder, while attention to the operator, the clip and the said cable In addition to the frictional resistance between the engagement portions of the holder, the cable is configured so that excessive tension is not applied to the cable by a synergistic buffering of the traction force of the linked elastic contraction body .

  For erroneous workers who pull the cable and move the pump, the cable clip pulls out of the cable clip holder to alert the worker, and the worker moves the pump while holding the handle. As a result, cable disconnection accidents can be prevented. Furthermore, even when the pump is dropped due to detachment or breakage from the suspending tool when the pump is suspended, the cable clip is pulled out of the cable clip holder in the same manner as described above, so that the cable is not damaged due to excessive tension buffering. There is an effect that a disconnection accident can be prevented.

  Then, the cable clip is pulled out gently by the frictional resistance between the locking portions, and the pulling force of the elastic contraction body acts after the cable clip is pulled out, so that the load damping effect on the cable is extremely large. There is an advantage that an impact at the time of dropping can be absorbed.

  For the structure of the locking part between the cable clip leg and the cable clip holder engagement hole, the locking claw projecting outside the lower end of the leg is made flexible, It is desirable to make the inwardly bent engagement edge attached to the part inflexible. Further, it is desirable that the cable clip be pulled out gently by the frictional resistance between the locking portions.

1 to 3 are longitudinal sectional side views of the main part of the first embodiment of the device of the present invention. Reference numeral 1 denotes a cable clip, and a flexible locking claw 4 </ b> A projects from the lower end outside of the leg 3 guided from the cable sandwiching portion 2. Regarding the locking claw 4A, the entire leg 3 may be made of a flexible material, or only the locking claw 4A portion may have flexibility. Good. Reference numeral 5 denotes a cable clip holder provided on the upper surface of the portable submersible pump 6. The cable clip holder 5 has an engagement hole 7 through which the leg 3 of the cable clip 1 enters and exits in the center. The part is provided with an inwardly bent locking edge 8B. The locking edge 8B has a role of coupling the cable clip 1 and the cable clip holder 5 by locking the flexible locking claw 4A of the leg 3 in the locking hole 7. Reference numeral 9 denotes an elastic contraction body such as a coil spring, which is attached to the lower end of the leg 3 and the bottom of the engagement hole 7 so as to function so that the cable clip 1 and the cable clip holder 5 pull each other. To do.

Cable clamping a is derived cable from the upper surface of the portable water pump 6 position of 10 (cables and for connecting the water pump to the power supply, cable tethering float-type water level detectors attached to the pump) in use The leg 3 is pressed into the engagement hole 7 of the cable clip holder 5 with the lower end of the leg 3 and the hole bottom of the engagement hole 7 being connected by the elastic contraction body 9. As shown in FIG. 1, the flexible locking claw 4A and the inwardly bent locking edge 8B are in a locked state. When the above force is applied, as shown in FIG. 2, the flexible locking claw 4A on the cable clip 1 side is gently detached from the locking edge 8B on the cable clip holder 5 side, and the cable clip as shown in FIG. 1 is the cable clip Although get out da within 5, the cable clip 1 and the cable clip holder 5 is maintained in a state of mutually pulling to one another by damping force due to the expansion and contraction action of elastic recoil body 9.

4 to 6 are longitudinal sectional side views of the main part in the second embodiment of the device of the present invention. Reference numeral 1 denotes a cable clip, and an outwardly expanding locking edge 4 </ b> B is attached to the outer periphery of the lower end of the leg body 3 guided from the cable clamping part 2. Reference numeral 5 denotes a cable clip holder provided on the upper surface of the portable submersible pump 6. The cable clip holder 5 has an engagement hole 7 through which the leg 3 of the cable clip 1 enters and exits in the center. The part is provided with an inwardly bent flexible locking claw 8A. For making the locking claw 8A flexible, the entire cable clip holder 5 may be formed of a flexible material, and only the locking claw 8A portion is configured to have flexibility. Also good. Reference numeral 9 denotes an elastic contraction body such as a coil spring, which is attached to the lower end of the leg 3 and the bottom of the engagement hole 7 so as to function so that the cable clip 1 and the cable clip holder 5 pull each other. To do.

Cable clamping a is derived cable from the upper surface of the portable water pump 6 position of 10 (cables and for connecting the water pump to the power supply, cable tethering float-type water level detectors attached to the pump) in use The leg 3 is pressed into the engagement hole 7 of the cable clip holder 5 with the lower end of the leg 3 and the hole bottom of the engagement hole 7 being connected by the elastic contraction body 9. Thus, as shown in FIG. 4, the outwardly extended locking edge 4B and the inwardly bent flexible locking claw 8A are locked with each other. When a force exceeding the allowable tensile load is applied to the cable clip 1, the locking edge 4B on the cable clip 1 side is gently separated from the flexible locking claw 8A on the cable clip holder 5 side as shown in FIG. As shown, the cable clip 1 is Although get out Ppuhoruda within 5, the cable clip 1 and the cable clip holder 5 is maintained in a state of mutually pulling to one another by damping force due to the expansion and contraction action of elastic recoil body 9.

For moving the portable submersible pump 7, a handle (not shown) should be gripped. However, when the cable 10 is inadvertently gripped and pulled, the operator pulls attention by pulling the cable clip 1 out of the cable clip holder 5 as described above. Further, when the pump is dropped due to detachment or breakage from the suspending tool in the pump suspended state, the cable clip 1 is pulled out from the cable clip holder 5 in the same manner as described above, so that the above-described elastic contraction body connected to each other. Due to the traction buffering force due to the expansion / contraction action 9 , excessive tension is not applied to the cable 10.

It is a principal part vertical side view in 1st Example of this invention apparatus, Comprising: The state which the flexible latching claw by the side of a cable clip has latched to the latching edge by the side of a cable clip holder is shown. It is a principal part vertical side view in 1st Example of this invention apparatus, Comprising: The state which the flexible latching nail | claw by the side of a cable clip is separating from the latching edge by the side of a cable clip holder is shown. It is a principal part vertical side view in 1st Example of this invention apparatus, Comprising: The state which the cable clip slipped out from the inside of a cable clip holder is shown. It is a principal part vertical side view in 2nd Example of this invention apparatus, Comprising: The latching edge by the side of a cable clip shows the state latched by the flexible latching claw by the side of a cable clip holder. It is a principal part vertical side view in 2nd Example of this invention apparatus, Comprising: The state which the latching edge by the side of a cable clip is separating from the flexible latching claw by the side of a cable clip holder is shown. It is a principal part vertical side view in 2nd Example of this invention apparatus, Comprising: The state which the cable clip slipped out from the inside of a cable clip holder is shown.

1 cable clip 2 cable clamping portion 3 leg 4A flexible latching claws 4B flexible engagement of locking edge 5 the cable clip holder 6 Allowed transportable water pump 7 engaging hole 8A in屈状outside拡状claws 8B Inwardly bent locking edge 9 Elastic contraction body 10 Cable

Claims (2)

A cable clip having a leg that sent down guide from該挟attaching portion and clamped the derived cable from the upper surface of the portable water pump, the cable clip holder with the engaging hole provided on the upper surface of the water pump The cable clip holder is provided with an inwardly bent engagement edge at the periphery of the start hole of the engagement hole, and the cable clip is formed in an inwardly bent engagement edge in the engagement hole. A flexible locking claw for locking projects from the lower end of the leg, and engages the leg with the lower end of the leg and the bottom of the engagement hole connected by an elastic contraction body. When the cable clip and the cable clip holder are joined by press-fitting into the hole and a force exceeding the allowable tensile load is applied to the cable, the flexible latching claw on the cable clip side is detached from the latching edge on the cable clip holder side. Cable clip In Succoth exits the chromatography Bull clip the holder, as well as alert the operator, synergistic buffer traction force of the interlocking elastic contraction member in addition to the frictional resistance between the engagement portion of the clip and the holder of the cable Therefore, the cable protection device for the portable submersible pump is configured so that excessive tension is not applied to the cable. A cable clip having a leg that sent down guide from該挟attaching portion and clamped the derived cable from the upper surface of the portable water pump, the cable clip holder with the engaging hole provided on the upper surface of the water pump The cable clip holder is provided with an inwardly bent flexible locking claw at the periphery of the start end hole of the engagement hole, and the cable clip is inwardly bent in the engagement hole. An outwardly extended locking edge for locking to the flexible locking claw is attached to the outer periphery of the lower end of the leg, and the lower end of the leg and the bottom of the engagement hole are connected by an elastic contraction body When the cable clip and the cable clip holder are joined by press-fitting the leg body into the engagement hole, and the force exceeding the allowable tensile load is applied to the cable, the locking edge on the cable clip side is flexible on the cable clip holder side. Remove from the locking pawl and In Succoth Le clip come out of the cable clip holder, co and alert the operator, in addition to the frictional resistance between the engagement portion of the clip and the holder of the cable traction of the elastic contraction of the cooperative A cable protection device for a portable submersible pump , wherein the cable is configured so that excessive tension is not applied to the cable by synergistic buffering .

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