CN204616713U - Automatic telescopic dog's leash safety switching apparatus structure - Google Patents

Abstract

The utility model discloses a kind of automatic telescopic dog's leash safety switching apparatus structure, it utilizes the backstay on position-sensing switch, locating channel is coordinated to be formed at two halves housing inner face, and backstay design on corresponding position-sensing switch, change the locate mode of position-sensing switch, behind this position-sensing switch location, switch hypomere is limited to the spacing retaining wall in limit mounting hole, cannot move left and right, significantly can increase the pulling force more than 50 percent that whole position-sensing switch bears, and position-sensing switch is dropped to minimum by the reaction force of ratchet block, the utility model can utilize position-sensing switch to adjust pet frenulum length at any time, frenulum moderate length can not be mopped floor be infected with earth dirty, effectively improve practicality and the safety of positioning switch device structure.

Description

Automatic telescopic dog's leash safety switching apparatus structure

Technical field

The utility model relates to a kind of pet collar, refers to a kind of automatic telescopic dog's leash safety switching apparatus structure especially.

Background technology

Existing dog's leash safety switching apparatus technology, generally common automatic telescopic dog's leash switching device, please refer to shown in Fig. 8 and Fig. 9, include: housing 80, rolling wheel 81, frenulum 82 and a position-sensing switch 70, wherein: housing 80 inside center place is laterally provided with an axle, housing 80 top is formed with a limit mounting hole, between axle and limit mounting hole, be laterally provided with a limited post, and position-sensing switch 70; This rolling wheel 81 can elasticity be sheathed in axle pivotally, and rolling wheel 81 lateral surface is formed with a ratchet ring, and ratchet ring periphery is provided with multiple ratchet; The most latter end of frenulum 82 is fixedly arranged on rolling wheel central siphon, interlude furls on rolling wheel, most leading portion then pass anti-spiral guide block backward after fold winding clasp, this position-sensing switch 70 is installed in the limit mounting hole of housing 80 movably, and epimere passes limit mounting hole, and position-sensing switch 70 is provided with locating channel 71, locating channel 71 is corresponding with backstay 77, it utilizes position-sensing switch 70 to be provided with locating channel 71, coordinates backstay 77 to be formed at the design of two halves housing inner face, controls frenulum; This housing 80 inwall is provided with the design of backstay 77, backstay 77 cannot be avoided to produce knuckle and produce reaction force phenomenon, and can because of after permanent pressing use, whole backstay 77 is when on position-sensing switch, locating channel 71 horizontally slips, cause left and right backstay 77 to insert the degree of depth of locating channel 71 unequal, the button of position-sensing switch 70 cannot be located and backstay 77 easily damages phenomenon.

In view of this, the utility model designer is for aforementioned existing institute problems faced further investigated, and by being engaged in research and development and the manufacturing experience of related industry for many years, and actively seek the square road of solution, through the research and development of long-term endeavour, finally a kind of automatic telescopic dog's leash safety switching apparatus structure is successfully developed, backstay cannot be avoided to produce knuckle and produce reaction force phenomenon to overcome existing position-sensing switch, or because of after permanent use, whole backstay horizontally slips on position-sensing switch, left and right backstay is caused to insert the degree of depth inequality of guide groove, the button of position-sensing switch cannot be located and backstay holds flimsy shortcoming, phase makes position-sensing switch more practical, meet the demand of user.

Utility model content

The purpose of this utility model is that providing a kind of locating open to hang more uses, meet the automatic telescopic dog's leash safety switching apparatus structure of user's demand, backstay cannot be avoided to produce knuckle and produce reaction force phenomenon to overcome existing its position-sensing switch of dog's leash safety switching apparatus, or because of after permanent use, whole backstay horizontally slips on position-sensing switch, cause left and right backstay to insert the degree of depth of guide groove unequal, the button of position-sensing switch cannot be located and backstay holds flimsy shortcoming.

In order to reach above-mentioned purpose, solution of the present utility model is:

A kind of automatic telescopic dog's leash safety switching apparatus structural improvement, it includes a housing, a rolling wheel, a frenulum and a position-sensing switch, laterally being provided with an axle wears rolling wheel in this enclosure interior center, on rolling wheel, volume establishes frenulum, an anti-spiral guide block is plugged on front side of housing, anti-spiral guide block center is provided with U-shaped and goes out with holes, housing upper is formed with a limit mounting hole installing position-sensing switch, in limit mounting hole, bottom side is laterally protruded and is provided with limited post, limited post top is provided with locating channel, and both sides, limit mounting hole are provided with spacing retaining wall, rolling wheel can elasticity be sheathed in axle pivotally, and on lateral surface, be formed with a ratchet ring, and this ratchet ring includes multiple ratchet, the most latter end of frenulum is fixedly arranged on rolling wheel central siphon, and interlude furls in the reel body groove of rolling wheel H type, the U-shaped that most leading portion then passes anti-spiral guide block go out with holes after, fold winding clasp backward coated by catch button again, this position-sensing switch is installed in the limit mounting hole of housing movably, position-sensing switch is made up of switch epimere and the pivot joint of switch hypomere, switch epimere bottom side is provided with backstay and hinged arm, switch hypomere top side is provided with pivot ear, pivot hole and storage tank, switch hypomere both sides extend a ㄇ shape lug respectively, ㄇ shape lug is provided with longitudinal slide opening, make limited post through on two longitudinal slide openings, be pivoted in this pivot hole hinged arm, putting spring in storage tank, spring is resisted against on limited post, this locating channel includes the deep trouth and draw-in groove two stroke that are interconnected, deep trouth and draw-in groove connectivity part are provided with spacer block.

Described housing includes about two half involutory housings, and described locating channel is formed at half housing inner face, is provided with the inner face that another locating channel is formed at second half housing further, the backstay of switch epimere, locating channel on the sidewall of corresponding two halves housing.

Automatic telescopic dog's leash safety switching apparatus structure as claimed in claim 1, is characterized in that: described position-sensing switch top is provided with on-slip line.

After position-sensing switch presses and then pushes away relieving forward, on the ratchet ring that switch hypomere ㄇ shape lug stretches into rolling wheel between two adjacent ratchets, frenulum is caused to locate downwards.

The pressing downwards of position-sensing switch location also causes frenulum locate after then pushing away forward relieving, on the ratchet ring that ㄇ shape lug exits rolling wheel bottom pressing makes to pusher between two adjacent ratchets, is formed and is received by frenulum rollback by elastic rotating by rolling wheel.

Behind described position-sensing switch location, switch hypomere is limited to the spacing retaining wall in limit mounting hole, cannot move left and right, and significantly can increase the pulling force that whole position-sensing switch bears, and drops to minimum by position-sensing switch by the reaction force of ratchet block.

Whereby, the automatic telescopic dog's leash safety switching apparatus of the utility model, it utilizes the backstay on position-sensing switch, locating channel is coordinated to be formed at two halves housing inner face, and the design of backstay on corresponding position-sensing switch, change the locate mode of position-sensing switch, behind this position-sensing switch location, switch hypomere is limited to the spacing retaining wall in limit mounting hole, cannot move left and right, significantly can increase the pulling force more than 50 percent that whole position-sensing switch bears, and position-sensing switch is dropped to minimum by the reaction force of ratchet block, improvement is commonly used on position-sensing switch and is directly plugged backstay design shortcoming, and reel produces reaction force after ratchet block position-sensing switch, improve backstay in guide groove, produce knuckle phenomenon, or because of after permanent use, backstay horizontally slips on position-sensing switch, left and right backstay is caused to insert the degree of depth inequality of guide groove, the button of position-sensing switch cannot be located and backstay easily damages problem, the utility model also can utilize position-sensing switch to adjust pet frenulum length at any time, frenulum moderate length can not be mopped floor be infected with earth dirty, effectively improve practicality and the safety of positioning switch device structure.

Accompanying drawing explanation

Fig. 1 is the combination schematic perspective view of the utility model preferred embodiment;

Fig. 2 is the diagrammatic cross-sectional side elevation of the utility model preferred embodiment;

Fig. 3 is the part section schematic perspective view of the utility model preferred embodiment;

Fig. 4 is that the pressing position-sensing switch of the utility model preferred embodiment makes backstay correspond to the bottom sectional schematic side view of deep trouth;

Fig. 5 is that the front presumption bit switch of the utility model preferred embodiment makes backstay by the diagrammatic cross-sectional side elevation of spacer block;

Fig. 6 postpones before the utility model preferred embodiment to decontrol position-sensing switch and make guide rod be positioned at diagrammatic cross-sectional side elevation bottom draw-in groove.

Fig. 7 is that the position-sensing switch of the utility model preferred embodiment and the sectional perspective of locating channel divide schematic diagram;

Fig. 8 is the plan cross-section schematic diagram of existing position-sensing switch;

Fig. 9 is the plane decomposition schematic diagram of existing position-sensing switch.

Embodiment

In order to explain the technical solution of the utility model further, below by specific embodiment, the utility model is elaborated.

The utility model discloses a kind of automatic telescopic dog's leash safety switching apparatus structure, in the illustrative the utility model specific embodiment of the figure that encloses and component thereof, with rear, left and right, top and bottom, top and bottom and level and vertical reference before all about, only for being conveniently described, and unrestricted the utility model, also non-its component is limited to any position or direction in space.Graphic with specification in specified size, when can in the scope not leaving the utility model claim, change according to the design of the utility model specific embodiment and demand.

The utility model automatic telescopic dog's leash safety switching apparatus, please refer to shown in Fig. 1 to Fig. 7, it includes a housing 20, one rolling wheel 30, one frenulum 40 and a position-sensing switch 50, wherein: housing 20 is made up of about two involutory half housings, wherein half shell crosses out an axle in inner face center and wears rolling wheel 30, on rolling wheel 30, volume establishes frenulum 40, an anti-spiral guide block 22 is plugged on front side of housing 20, anti-spiral guide block 22 center is provided with U-shaped and goes out with holes 221, housing 20 top is formed with a limit mounting hole 23 and installs position-sensing switch 50, rear side is then formed with a handle 24, in limit mounting hole 23, bottom side is laterally protruded and is provided with limited post 25, limited post 25 top is provided with locating channel 26, both sides, limit mounting hole 23 are provided with spacing retaining wall 231, this rolling wheel 30 can elasticity be sheathed in axle 21 pivotally, and rolling wheel 30 lateral surface is formed with a ratchet ring 31, ratchet ring 31 periphery is provided with multiple ratchet 32, rolling wheel 30 is the reel body of H type for side-looking, is sheathed on rotationally in axle 21 with one of center perforation, and includes two circular side panel 33, central siphon 34, retracting spring 35 and steady pins 36, it is inner that retracting spring 35 is installed on central siphon 34, and fix clip respectively in axle 21 with central siphon 34, to provide the revolution elastic force of rolling wheel 30 in housing 20 with inside and outside two ends, steady pin 36 is arranged between biside plate 33 in paraxial pipe 34 periphery wall place, the belt body of frenulum 40 in somewhat width, the most latter end of frenulum 40 is fixedly arranged on rolling wheel 30 central siphon 34, interlude furls in the reel body groove of rolling wheel 30H type, after the U-shaped that most leading portion then passes anti-spiral guide block 22 goes out with holes 221, fold winding clasp 41 backward coated by catch button 42 again, clasp 41 in order to hook on the neck ring of dog, this position-sensing switch 50 is made up of switch epimere 51 and switch hypomere 56 pivot joint, switch epimere 51 top is provided with on-slip line 52 bottom side and is provided with backstay 53 and hinged arm 54, switch hypomere 56 top side is provided with pivot ear 57, pivot hole 58 and storage tank 59, switch hypomere 56 both sides extend a ㄇ shape lug 561 respectively, ㄇ shape lug 561 is provided with longitudinal slide opening 562, make limited post 25 through on two longitudinal slide openings 562, can be pivoted in this pivot hole 58 hinged arm 54, can putting spring 60 in storage tank 59, position-sensing switch 50 is a kind of two-part safety switch, be installed on the limit mounting hole 23 of housing 20 movably, and first to press pusher two sections of control modes to make between two ratchets 32 of ㄇ shape lug 561 clip ratchet ring 31 on rolling wheel 30 bottom its hypomere switch 56, reach and prevent rolling wheel 30 from turning round, form the object of clip locating effect, frenulum 40 is located, and first to press post-tensioning two sections of control modes to make ㄇ shape lug 561 bottom it exit ratchet ring 31, frenulum 40 can be furled by automatic rotary to discharge rolling wheel 30, by this, effectively prevent the situation of user's false touch from producing, it is preferred that this position-sensing switch 50 switch epimere 51 is piercing in housing 20, and be arranged with one can relatively housing 20 slide slide plate 28, this position-sensing switch 50 is installed in the limit mounting hole 23 of housing 20 movably, epimere passes limit mounting hole 23, switch epimere 51 bottom side of position-sensing switch 50 is provided with a positioning rod 51, backstay 51 is corresponding with locating channel 26 on housing 20 sidewall, this locating channel 26 includes the deep trouth 261 and draw-in groove 262 liang of strokes that are interconnected, and this deep trouth 261 and draw-in groove 262 connectivity part are provided with spacer block 263.

It is mutually through that above-mentioned switch hypomere 56 ㄇ shape lug 561 dual-side is provided with longitudinal slide opening 562, inside center place is provided with storage tank 59, spring 60 is equipped with in storage tank 59, longitudinal slide opening 562 interpolation establishes limited post 25 to push against by spring 60, make the ㄇ shape lug 561 of position-sensing switch 50 switch hypomere 56 because of after switch epimere 51 is pressed, on the ratchet ring 31 that can insert and exit rolling wheel 30 between two adjacent ratchets 32, cause frenulum 40 locating effect; Described housing 20 includes about two half involutory housings, and described locating channel 26 is formed at half housing inner face, is provided with another further and determines the inner face that locating channel 26 is formed at second half housing; The backstay 53 at the switch epimere 51 bottom side place of position-sensing switch 50, locating channel 26 on the sidewall of corresponding two halves housing, locating channel 26 includes the deep trouth 261 and draw-in groove 262 liang of strokes that are interconnected, and this deep trouth 261 and draw-in groove 262 connectivity part are provided with spacer block 263; Described position-sensing switch 50 switch hypomere 56 both sides extend a ㄇ shape lug 561 respectively, longitudinal slide opening 562 is run through and is formed on two ㄇ shape lugs 551; Described switch hypomere 56 is convexly equipped with a storage tank 59 further in top, make spring 60 be located in storage tank 59; A limited post 25 is inserted with further in described longitudinal slide opening 562; Described position-sensing switch 50 switch epimere 51 sheathed can relatively housing 20 slide slide plate 28.

Please refer to shown in Fig. 1 to Fig. 7, the utility model automatic telescopic dog's leash safety switching apparatus structure, when user be hold by one hand handle 24 and for controlling flexible frenulum 40 length time, first can pull out frenulum 40 to the length wanted, to be determined is after required length, pressing position-sensing switch 50 downwards, and then switch epimere 51 is pushed away relieving forward, this downward push action makes backstay 53 correspond to the bottom of deep trouth 261, before push away and make backstay 53 by spacer block 263, finally relieving position-sensing switch 50 makes switch hypomere 56 upspring by spring 60 elastic force and replys position, backstay 53 correspondence is then made to stop to draw-in groove 262 inner, form draw-in groove 262 clip location, because the groove depth of draw-in groove 262 is shallow compared with deep trouth 261, therefore, make the upwards springback capacity of position-sensing switch 50 shorter, and then make the bottom ㄇ shape lug 561 of hypomere switch 56, on the ratchet ring 31 inserting rolling wheel 30 between two adjacent ratchets 32, formed and rolling wheel 30 clip fixed and cannot the locating effect of elastic rotating frenulum 40 be located, when for release rolling wheel 30, user is again downward by the epimere 51 that compresses switch, backstay 53 is made to correspond to the bottom of draw-in groove 262, then by switch epimere 51 to pusher, make backstay 53 again by spacer block 263, finally decontroling switch epimere 51 makes it be subject to spring 60 elastic force and the reply position that upsprings, then backstay 53 correspondence stops to deep trouth 261 top, because deep trouth 261 groove depth is longer, therefore, the upwards springback capacity of position-sensing switch 50 can be made longer, so that make bottom ㄇ shape lug 561 exit the ratchet ring 31 of rolling wheel 30, form rolling wheel 30 by elastic rotating by the storage effect of frenulum 40 rollback, behind this position-sensing switch 50 location, switch hypomere 56 is limited to the spacing retaining wall 231 in limit mounting hole 23, cannot move left and right, significantly can increase the pulling force more than 50 percent that whole position-sensing switch 50 bears, and position-sensing switch 50 is dropped to minimum by the reaction force of ratchet 32 block, the utility model can utilize position-sensing switch 50 to adjust pet frenulum 40 length at any time, frenulum 40 moderate length can not be mopped floor be infected with earth dirty.

Above-described embodiment and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present utility model.

Claims (3)

1. an automatic telescopic dog's leash safety switching apparatus structure, include a housing, a rolling wheel, a frenulum and a position-sensing switch, it is characterized in that: being laterally provided with an axle wears rolling wheel in this enclosure interior center, on rolling wheel, volume establishes frenulum, an anti-spiral guide block is plugged on front side of housing, anti-spiral guide block center is provided with U-shaped and goes out with holes, housing upper is formed with a limit mounting hole installing position-sensing switch, in limit mounting hole, bottom side is laterally protruded and is provided with limited post, limited post top is provided with locating channel, and both sides, limit mounting hole are provided with spacing retaining wall, rolling wheel can elasticity be sheathed in axle pivotally, and on lateral surface, be formed with a ratchet ring, and this ratchet ring includes multiple ratchet, the most latter end of frenulum is fixedly arranged on rolling wheel central siphon, and interlude furls in the reel body groove of rolling wheel H type, the U-shaped that most leading portion then passes anti-spiral guide block go out with holes after, fold winding clasp backward coated by catch button again, this position-sensing switch is installed in the limit mounting hole of housing movably, position-sensing switch is made up of switch epimere and the pivot joint of switch hypomere, switch epimere bottom side is provided with backstay and hinged arm, switch hypomere top side is provided with pivot ear, pivot hole and storage tank, switch hypomere both sides extend a ㄇ shape lug respectively, ㄇ shape lug is provided with longitudinal slide opening, make limited post through on two longitudinal slide openings, be pivoted in this pivot hole hinged arm, putting spring in storage tank, spring is resisted against on limited post, this locating channel includes the deep trouth and draw-in groove two stroke that are interconnected, deep trouth and draw-in groove connectivity part are provided with spacer block.

2. automatic telescopic dog's leash safety switching apparatus structure as claimed in claim 1, it is characterized in that: described housing includes about two half involutory housings, described locating channel is formed at half housing inner face, be provided with the inner face that another locating channel is formed at second half housing further, the backstay of switch epimere, locating channel on the sidewall of corresponding two halves housing.

3. automatic telescopic dog's leash safety switching apparatus structure as claimed in claim 1, is characterized in that: described position-sensing switch top is provided with on-slip line.