The labyrinth type self-locking device of tube coiling appts
Technical field
The present invention relates to tube coiling appts, particularly relate to the labyrinth type self-locking device of tube coiling appts.
Background technology
Tube coiling appts also known as bobbin winoler, pipe or wire-wound on an axle, can automatic retracted after pull-out, simple and practical, widely use in working spaces such as various production fitter's shop, repair and maintenance garage, car detailing shop, 4 S auto shops.The structure of tube coiling appts mainly comprises shell, in shell, reel is set, reel is around with flexible pipe, wind spring is connected in reel, after flexible pipe is pulled outwardly out, flexible pipe can drive rotation of reel, reel drives wind spring tension pressure accumulation, after unclamping flexible pipe, wind spring just can drive reel back to rotate under restoring force effect, reel drives in flexible pipe retraction shell, when flexible pipe is drawn out use, in order to prevent flexible pipe automatic retracted, usual meeting arranges self-locking mechanism in tube coiling appts, existing self-locking mechanism, as China Patent No. 200520100938.7, patent name is " Box Hose Car Automatic Lock Organization ", this structure mainly comprises the baffle plate being fixed on internal chamber wall, baffle plate be provided with can rotate around fix shaft one-sidedly have tooth and with the shifting block of handle, shifting block is made to rotate the spring resetted, baffle plate left side is fixed wtih cover plate, formative gear loose slot between cover plate and baffle plate, the miniature gears that can engage with the tooth on shifting block is provided with in groove, miniature gears is not only rotatable but also can translation activity in gear loose slot, the movable teeth block of tooth can be had to engage with only having half cycle simultaneously, and movable teeth block and main rotary table are fixed, the shortcoming that this structure exists is: complex structure, manufacture, trouble is installed, also exist in use and flexible pipe lock operation is not easily controlled, pinning is there will be when flexible pipe bounces back, and when locking suddenly, two gears are collided, easily cause the situation of broken teeth, the shortcomings such as reliability of service difference.
Summary of the invention
The object of the invention is the shortcoming existed to overcome prior art, provide a kind of reliability of service good, easy to operate, when ensureing that flexible pipe uses, locking is reliable, the labyrinth type self-locking device of action tube coiling appts smoothly when flexible pipe is drawn out and bounces back.
The technical scheme of the labyrinth type self-locking device of tube coiling appts of the present invention is: comprise the right cover of tube coiling appts and right reel, it is characterized in that: described right cover madial wall is shaped with limit chamber and fixed leg, screw is opened in fixed leg, in limit chamber, position-arresting card is set, described position-arresting card comprises body, one at body is shaped with circular groove, perforation is opened in circular groove, body perforated is enclosed within fixed leg, in circular groove, spacing shim is set, screw passes the screw screw thread fit of spacing shim and fixed leg, elastic plate and keep plate is shaped with in the other end of body, keep plate is shaped with guidepost, labyrinth type guiding annular groove is shaped with in the side of right reel, labyrinth type guiding annular groove matches with guidepost, described labyrinth type guiding annular groove comprises outer groove, inner groove and middle baffle ring, self-locking grooves is shaped with in middle baffle ring, self-locking grooves import, self-locking grooves outlet and interior water jacket switching channel, be positioned at self-locking grooves entrance location at outer groove and be shaped with inlet guide step, be positioned at water jacket switching channel position at inner groove and be shaped with switching channel guiding step.
The invention discloses a kind of labyrinth type self-locking device of tube coiling appts, the shell that tube coiling appts forms primarily of left cover and right cover, wind spring permanent seat, right reel, wind spring, flexible pipe, left reel, water inlet cover, water inlet axle and water pipe are set in shell, limit chamber and fixed leg is shaped with in right cover, position-arresting card installed by fixed leg, the sidewall of right reel is shaped with labyrinth type guiding annular groove, and position-arresting card and labyrinth type guiding annular groove match.When people will use flexible pipe, by a left side, when flexible pipe on right reel pulls out outward, flexible pipe drives left, right reel rotates forward, because position-arresting card is pressed on the fixed leg of right cover by screw and spacing shim, therefore can only swing up and down, the lead outer groove of annular groove of guidepost now on position-arresting card and labyrinth type matches, and slide along outer groove, when flexible pipe is drawn out to required length outward, the hand of people loose one is exerted oneself a little, wind spring just drives a left side, right reel contrarotation, when the inlet guide step (structure that outer groove is divided into height side, side low by inlet guide step of outer groove, be connected by inlet guide step between height) rotate to when contacting with guidepost, inlet guide step leads to guidepost, make guidepost to lower swing, guidepost drives position-arresting card to lower swing, guidepost enters the self-locking grooves import of middle baffle ring along inlet guide step, and right reel continues contrarotation, guidepost is made to snap in the self-locking grooves of middle baffle ring, now flexible pipe is drawn out certain length, and be locked again, can not automatic retracted, ensure that people are without the need to firmly holding flexible pipe, just flexible pipe can be used, when people do not use flexible pipe and will be bounced back, as long as again flexible pipe is pulled out a bit of distance outward, flexible pipe drives right reel to continue to rotate forward, the self-locking grooves outlet of middle baffle ring is led to the guidepost of position-arresting card, guidepost is rocked to downwards in inner groove, as long as now unclamp hand, wind spring just can drive left and right reel contrarotation, and left and right reel drives the complete retraction of flexible pipe, when flexible pipe pulls out certain length, and after guidepost to snap in self-locking grooves location, and people are when also wanting to continue outwards to draw longer by flexible pipe, now flexible pipe is continued to pull out, flexible pipe drives left, right reel rotates forward, the self-locking grooves outlet of middle baffle ring is led to the guidepost of position-arresting card, guidepost is rocked to downwards in inner groove, people continue to pull out flexible pipe, right reel continues to rotate forward, when the switching channel guiding step of inner groove contacts with guidepost, the switching channel guiding step (structure that inner groove is divided into height side, side low by switching channel guiding step, be connected by switching channel guiding step between height) guidepost is led, guidepost is made to enter interior water jacket switching channel along switching channel guiding step, and enter outer groove along interior water jacket switching channel, and people continue to pull out flexible pipe, when flexible pipe is drawn out required length, unclamp flexible pipe, wind spring just can drive a left side under restoring force effect, right reel contrarotation, the inlet guide step of outer groove contacts with guidepost, and guidepost is snapped in the self-locking grooves of middle baffle ring again.The labyrinth type self-locking device of this programme tube coiling appts, by being shaped with outer groove at the sidewall of right reel, inner groove and middle baffle ring, and on outer groove, be shaped with inlet guide step, inner groove is shaped with switching channel guiding step, middle baffle ring is shaped with self-locking grooves, self-locking grooves import, self-locking grooves outlet and interior water jacket switching channel, these structures make the annular groove of whole right reel sidewall formation as labyrinth, but each structure accurately can lead to the guidepost of position-arresting card, control right reel by guidepost be again locked or rotate forward or contrarotation, ensure the smooth and easy operation of each action of flexible pipe, and for operator be locking tube or trombone slide or the draw time operation all very simple, convenient, reliability of service is good, one of position-arresting card is made the structure of two boards up and down of elastic plate and keep plate, elastic plate is thinner, keep plate is thicker, elastic plate can extrude keep plate, make the guidepost of keep plate can be close in the groove bottom of labyrinth type guiding annular groove always, avoid during right rotation of reel, making guidepost produce to beat, and depart from labyrinth type guiding annular groove, guarantee guidepost is reliable.
The labyrinth type self-locking device of tube coiling appts of the present invention, more than 1 group self-locking grooves, self-locking grooves import, self-locking grooves outlet and interior water jacket switching channel is shaped with in described middle baffle ring, in outer groove, be shaped with corresponding inlet guide step, in inner groove, be shaped with corresponding switching channel guiding step.Self-locking grooves, self-locking grooves import, self-locking grooves outlet and interior water jacket switching channel group number are fewer, and structure is simple, and group number is more, more to the position of flexible pipe locking, and flexible pipe can be locked at an arbitrary position.Be shaped with riser in described limit chamber, riser contacts with the elastic plate of position-arresting card.Elastic plate is withstood by riser, elastic plate extruding keep plate, makes the guidepost of keep plate can be close in the groove bottom of labyrinth type guiding annular groove always, avoids making guidepost produce during right rotation of reel and beats, and depart from labyrinth type guiding annular groove, ensure that guidepost is reliable.Described middle baffle ring is positioned at self-locking grooves inflow point and is shaped with import oblique surface, and middle baffle ring is positioned at self-locking grooves exit and is shaped with outlet oblique surface, and outlet oblique surface is longer than the length of import oblique surface.There are import oblique surface and outlet oblique surface, more accurate into and out of the guiding of self-locking grooves to guidepost, and export oblique surface and be longer than import oblique surface, preventing guidepost when going out self-locking grooves, being imported into outer groove, the reliability of safety action.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view arranging position-arresting card in right cover;
Fig. 2 is the self-locking grooves of right reel and the guidepost mated condition schematic perspective view of position-arresting card;
Fig. 3 be right reel outer groove and the guidepost mated condition schematic perspective view of position-arresting card;
Fig. 4 be right reel inner groove and the guidepost mated condition schematic perspective view of position-arresting card;
Fig. 5 is the schematic perspective view of position-arresting card;
Fig. 6 is the schematic perspective view of right cover;
Fig. 7 is the decomposing state schematic perspective view of tube coiling appts.
Detailed description of the invention
The present invention relates to a kind of labyrinth type self-locking device of tube coiling appts, as shown in Fig. 1-Fig. 7, comprise right cover 21 and the right reel 23 of tube coiling appts, it is characterized in that: described right cover 21 madial wall is shaped with limit chamber 29 and fixed leg 30, screw is opened in fixed leg, position-arresting card 31 is set in limit chamber, described position-arresting card 31 comprises body 32, one at body is shaped with circular groove 33, perforation 34 is opened in circular groove, body perforated is enclosed within fixed leg 30, spacing shim 35 is set in circular groove, screw 36 is through the screw screw thread fit of spacing shim 35 with fixed leg 30, elastic plate 37 and keep plate 38 is shaped with in the other end of body 32, keep plate is shaped with guidepost 39, labyrinth type guiding annular groove is shaped with in the side of right reel 23, labyrinth type guiding annular groove matches with guidepost, described labyrinth type guiding annular groove comprises outer groove 5, inner groove 6 and middle baffle ring 7, self-locking grooves 71 is shaped with in middle baffle ring, self-locking grooves import 72, self-locking grooves outlet 73 and interior water jacket switching channel 74, be positioned at self-locking grooves import 72 position at outer groove 5 and be shaped with inlet guide step 51, be positioned at water jacket switching channel 74 position at inner groove 6 and be shaped with switching channel guiding step 61.The shell that tube coiling appts forms primarily of left cover 1 and right cover 21, wind spring permanent seat 22, right reel 23, wind spring 24, flexible pipe 25, left reel 2, water inlet cover 26, water inlet axle 27 and water pipe 28 are set in shell, limit chamber 29 and fixed leg 30 is shaped with in right cover 21, fixed leg is installed position-arresting card 31, the sidewall of right reel 23 is shaped with labyrinth type guiding annular groove, and position-arresting card 31 and labyrinth type guiding annular groove match.When people will use flexible pipe 25, by a left side, right reel 2, when flexible pipe 25 on 23 pulls out outward, flexible pipe drives left, right reel rotates forward, because position-arresting card 31 is pressed on the fixed leg 30 of right cover 21 by screw 36 and spacing shim 35, therefore can only swing up and down, the lead outer groove 5 of annular groove of guidepost 39 now on position-arresting card 31 and labyrinth type matches, and slide along outer groove, when flexible pipe 25 is drawn out to required length outward, the hand of people loose one is exerted oneself a little, wind spring 24 just drives a left side, right reel 2, 23 contrarotations, when the structure that outer groove is divided into height side, side low by the inlet guide step 51(inlet guide step of outer groove 5, be connected by inlet guide step between height) rotate to when contacting with guidepost 39, inlet guide step leads to guidepost, make guidepost to lower swing, guidepost drives position-arresting card 31 to lower swing, guidepost 39 enters the self-locking grooves import 72 of middle baffle ring 7 along inlet guide step 51, and right reel 23 continues contrarotation, guidepost 39 is made to snap in the self-locking grooves 71 of middle baffle ring 7, now flexible pipe 25 is drawn out certain length, and be locked again, can not automatic retracted, ensure that people are without the need to firmly holding flexible pipe, just flexible pipe can be used, when people do not use flexible pipe 25 and will be bounced back, as long as again flexible pipe is pulled out a bit of distance outward, flexible pipe drives right reel 23 to continue to rotate forward, the guidepost 39 that the self-locking grooves of middle baffle ring 7 exports 73 pairs of position-arresting cards 31 leads, guidepost is made to be rocked in inner groove 6 downwards, as long as now unclamp hand, wind spring 24 just can drive the contrarotation of left and right reel 2,23, and left and right reel drives flexible pipe 25 retraction completely, when flexible pipe pulls out certain length, and after guidepost 39 to snap in self-locking grooves 71 location, and people are when also wanting to continue outwards to draw longer by flexible pipe 25, now flexible pipe is continued to pull out, flexible pipe drives left, right reel 2, 23 rotate forward, the guidepost 39 that the self-locking grooves of middle baffle ring 7 exports 73 pairs of position-arresting cards 31 leads, guidepost is made to be rocked in inner groove 6 downwards, people continue to pull out flexible pipe 25, right reel 23 continues to rotate forward, when the switching channel guiding step 61 of inner groove 6 contacts with guidepost 39, the structure that inner groove is divided into height side, side low by switching channel guiding step 61(switching channel guiding step, be connected by switching channel guiding step between height) guidepost 39 is led, guidepost is made to enter interior water jacket switching channel 74 along switching channel guiding step 61, and enter outer groove 5 along interior water jacket switching channel, and people continue to pull out flexible pipe 25, when flexible pipe is drawn out required length, unclamp flexible pipe, wind spring 24 just can drive a left side under restoring force effect, right reel 2, 23 contrarotations, the inlet guide step 51 of outer groove 5 contacts with guidepost 39, and guidepost is snapped in the self-locking grooves 71 of middle baffle ring 7 again.The labyrinth type self-locking device of this programme tube coiling appts, by being shaped with outer groove 5 at the sidewall of right reel 23, inner groove 6 and middle baffle ring 7, and on outer groove, be shaped with inlet guide step 51, inner groove is shaped with switching channel guiding step 61, middle baffle ring 7 is shaped with self-locking grooves 71, self-locking grooves import 72, self-locking grooves outlet 73 and interior water jacket switching channel 74, these structures make the annular groove of whole right reel 23 sidewall formation as labyrinth, but each structure accurately can lead to the guidepost 39 of position-arresting card 31, control right reel 23 by guidepost be again locked or rotate forward or contrarotation, ensure the smooth and easy operation of each action of flexible pipe 25, and for operator be locking tube or trombone slide or the draw time operation all very simple, convenient, reliability of service is good, one of position-arresting card 31 is made the structure of two boards up and down of elastic plate 37 and keep plate 38, elastic plate is thinner, keep plate is thicker, elastic plate can extrude keep plate, make the guidepost of keep plate can be close in the groove bottom of labyrinth type guiding annular groove always, make guidepost 39 produce when avoiding right reel 23 to rotate to beat, and depart from labyrinth type guiding annular groove, guarantee guidepost is reliable.More than 1 group self-locking grooves 71, self-locking grooves import 72, self-locking grooves outlet 73 and interior water jacket switching channel 74 is shaped with in described middle baffle ring 7, in outer groove 5, be shaped with corresponding inlet guide step 51, in inner groove 6, be shaped with corresponding switching channel guiding step 61.Self-locking grooves 71, self-locking grooves import 72, self-locking grooves outlet 73 and interior water jacket switching channel 74 groups of numbers are fewer, and structure is simple, and group number is more, and the position locked flexible pipe 25 is more, and flexible pipe can be locked at an arbitrary position.Be shaped with riser 291 in described limit chamber 29, riser contacts with the elastic plate 37 of position-arresting card 31.Elastic plate 37 is withstood by riser 291, elastic plate extruding keep plate 38, makes the guidepost 39 of keep plate can be close in the groove bottom of labyrinth type guiding annular groove always, makes guidepost produce and beat when avoiding right reel 23 to rotate, and depart from labyrinth type guiding annular groove, ensure that guidepost 39 is reliable.Described middle baffle ring 7 is positioned at self-locking grooves import 72 place and is shaped with import oblique surface 75, and middle baffle ring is positioned at self-locking grooves and exports 73 places and be shaped with outlet oblique surface 76, and outlet oblique surface is longer than the length of import oblique surface.There are import oblique surface 75 and outlet oblique surface 76, more accurate into and out of the guiding of self-locking grooves 71 to guidepost 39, and export oblique surface and be longer than import oblique surface, preventing guidepost when going out self-locking grooves, being imported into outer groove 5, the reliability of safety action.