CN204949827U - Nest under push -and -pull - Google Patents

Abstract

The utility model provides a nest under push -and -pull, including down nest body and cover at the sleeve of nest body outside down, the sleeve can and can drive down nest body excellent axial displacement in along for lower nest body motion, the outer wall of nest body is equipped with the first slide and the second slide of the predetermined distance of being separated by along the axial down, be equipped with first fixed position and the fixed position of second respectively on first slide and second slide, the common one calorie fixed system gear in first fixed position and the fixed position of second, be equipped with between first slide and the second slide and supply card system gear to the first through -hole of well excellent direction pivoted, during with assurance parachute -opening state, the stick buckled in the hole during the teeth of a cogwheel of card system gear can be stretched into through first through -hole, hold first slide with first slide and the second slide department of correspondence jointly along the formation of radial protrusion on the telescopic inner wall, the second slide, and the accommodation space of card system gear, be equipped with the braking lug on the inner wall of accommodation space. Therefore, the utility model has the advantages of simple structure, the size is less, life is longer.

Description

Nest under push-and-pull

Technical field

The utility model relates to umbrella field, especially a kind of for nest under the push-and-pull of switch umbrella.

Background technology

Umbrella is the instrument carried with conventional in people's daily life, traditional parachute kit is eject by the dark segment that rod in pre-plant is inner to obtain location to block bottom lower nest when parachute-opening, and middle rod must offer an elongated slot vertically to hold dark segment, although this Umbrella nest positioner can reach location object, but in use, during due to parachute-opening, operator must with nest under finger push to make dark segment block below lower nest, but when dark segment ejects, the finger of operator is easy to just be sandwiched between lower nest and dark segment, causes and crushes, and when closing one's umbrella, dark segment must be depressed towards middle rod is inner with finger by operator, pulling lower nest simultaneously, equally also easily jamming a finger, in addition, and switch umbrella also needs larger strength, uses very inconvenient, therefore, in order to more quick at switch umbrella, and safety, have in prior art and variously can not hinder hand and the umbrella of easily folding, such as, Chinese patent literature CN2699715Y discloses a kind of umbrella movable frame positioning structure, this movable nest is the outside being placed on middle stick of umbrella, it is characterized in that the both sides of movable nest are provided with clamping slot, fasten a clip respectively, clip is made to be swingable shape, and the upper end of clip is set to inside buckle edge, one collar is located at the outside of movable nest, it has internal projecting ring, just be looped around the outside of clip, utilize moving up and down of the collar, clip can be made to swing, being provided with on middle stick of umbrella top can the buckle structure of buckle edge of buckle clip.This kind of location structure utilizes the movement of the collar, and clip is swung, and when parachute-opening, to be just fastened on the buckle structure on middle rod (being endless groove or outstanding catapult or locating hole), to form firm positioning states.

Above-mentioned umbrella movable frame positioning structure of the prior art, still there is following defect: the first, this location structure part is more, complex structure, and therefore processing technology is also more numerous and diverse, and is not easy to install; The second, because the both sides of movable nest are provided with clamping slot, fasten a clip respectively, so the volume of total is comparatively large, is not suitable for manufacturing miniaturized product; 3rd, because this structure utilizes moving up and down of the collar, thus clip is swung, and the volume of clip is comparatively large, thinner, therefore more not wear-resistant, repeatedly after open and-close umbrella, just likely can damage, therefore, service life is not long yet.

Utility model content

In order to overcome the problems referred to above, to society, the utility model provides that a kind of structure is simple, size is less, nest under the push-and-pull of longer service life.

The technical solution of the utility model is: provide nest under a kind of push-and-pull, comprise lower nest body and be enclosed within the sleeve of described lower nest body exterior, described sleeve also can drive excellent moving axially in described lower nest body edge relative to lower nest body motion, the outer wall of described lower nest body is provided with the first slide and second slide of preset distance of being separated by vertically, described first slide and the second slide are respectively equipped with the first fixed bit and the second fixed bit, described first fixed bit and the second fixed bit locate a blocking gear jointly, the first through hole rotated to middle excellent direction for blocking gear is provided with between described first slide and the second slide, during to ensure deployed condition, the gear teeth of described blocking gear are put in by the first through hole in the button hole of middle rod, with first slide and second slide corresponding position radially protruding formed on the inwall of described sleeve holds the first slide jointly, second slide, and the accommodation space of blocking gear, the inwall of described accommodation space is provided with the detent bumps for braking described blocking gear.

As to improvement of the present utility model, the quantity of the gear teeth of described blocking gear is equal to or greater than three, and the number of degrees of the angle between the described gear teeth are different.

As to improvement of the present utility model, the second through hole is provided with at described lower nest body, described sleeve is provided with the locating convex block corresponding with described second through hole, when described lower nest body to be snapped in by blocking gear in the button hole of middle rod, described locating convex block is then positioned at described second through hole, to prevent described sleeve relative to the landing of described lower nest body.

As to improvement of the present utility model, described blocking gear comprises rotating shaft and half gear, and described half gear and rotating shaft are integrated.

The utility model is provided with the first slide and second slide of preset distance of being separated by vertically due to the outer wall of described lower nest body, described first slide and the second slide are respectively equipped with the first fixed bit and the second fixed bit, described first fixed bit and the second fixed bit locate a blocking gear jointly, the first through hole rotated to middle excellent direction for blocking gear is provided with between described first slide and the second slide, during to ensure deployed condition, the gear teeth of described blocking gear are put in by the first through hole in the button hole of middle rod, with first slide and second slide corresponding position radially protruding formed on the inwall of described sleeve holds the first slide jointly, second slide, and the accommodation space of blocking gear, the inwall of described accommodation space is provided with the detent bumps for braking described blocking gear, when parachute-opening, promote described sleeve, described sleeve drives the axis of rod in described lower nest body edge to move up, now umbrella frame is strutted gradually, until described sleeve and lower nest body move to the button hole place of middle rod, and the button hole of middle rod is corresponding with the first through hole, umbrella frame is strutted completely, described lower nest body no longer moves upward, now will continue to move up by described sleeve, described sleeve also just moves up relative to lower nest body, the first projection in described sleeve promotes described blocking pinion rotation, the gear teeth of described blocking gear are then pushed in the button hole of middle rod, described sleeve and lower nest body are then fixed simultaneously, umbrella is then fully opened, the utility model structure simply, is easily installed, and can do smaller due to the size of blocking gear, and overall dimensions therefore can be made little, and durable.Therefore, the utility model has simple, the easy installation of structure, overall dimensions is little, and durable advantage.

Accompanying drawing explanation

Fig. 1 is the stereo decomposing structural representation of a kind of embodiment of the utility model.

Fig. 2 is the planar structure schematic diagram at a visual angle of blocking gear in Fig. 1.

Fig. 3 is the structural representation after Fig. 1 complete combination.

Fig. 4 is the structural representation at another visual angle of Fig. 1.

Fig. 5 is using state structural representation of the present utility model.

Fig. 6 is umbrella of the present utility model detent bumps and blocking gear interactional structural representation when closing.

Fig. 7 is umbrella of the present utility model detent bumps and blocking gear interactional structural representation when opening.

Detailed description of the invention

In description of the present utility model, it will be appreciated that, orientation or the position relationship of the instruction such as " " center ", " on ", D score, "front", "rear", "left", "right" in term be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance.

In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " connection ", " being connected " should be interpreted broadly, and such as, can be fixedly connected with, and also can be that dismounting connects, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also can be indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term can be understood at concrete meaning of the present utility model.In addition, in description of the present utility model, except as otherwise noted, the implication of " multiple ", " some " is two or more.

Refer to Fig. 1 to Fig. 7, what Fig. 1 to Fig. 7 disclosed is a kind of embodiment of nest under push-and-pull, nest under a kind of push-and-pull, please first see Fig. 1 to 4, Fig. 1 is the stereo decomposing structural representation of this practical new a kind of embodiment, comprise lower nest body 1 and be enclosed within the sleeve 2 of described lower nest body 1 outside, described sleeve 2 can move relative to lower nest body 1 and can drive described lower nest body 1 along in the moving axially of rod 4, the outer wall of described lower nest body 1 is provided with the first slide 11 and the second slide 12 of preset distance of being separated by vertically, described first slide 11 and the second slide 12 are respectively equipped with the first fixed bit 111 and the second fixed bit 121, described first fixed bit 111 and the second fixed bit 121 be location one blocking gear 3 jointly, in the present embodiment, described blocking gear 3 comprises half gear 32 and rotating shaft 31, in the utility model, described half gear 32 refers to by the radially cutting and obtaining of common gear, be the half of common gear size or be the half (as shown in Figure 2) of common gear size substantially, therefore, the size of the blocking gear 3 in the utility model is smaller, therefore under making whole push-and-pull, nest can make small size, not only save material, and it is attractive in appearance, exquisite, described half gear 32 and rotating shaft 31 are integrated, and in the utility model, the quantity of the gear teeth of described blocking gear 3 is equal to or greater than three, and the number of degrees of the angle between the described gear teeth are different.Such as, in the present embodiment, described half gear 32 just comprises 3 gear teeth, be the first gear teeth 321, second gear teeth 322 and third round tooth 323 respectively, and the number of degrees of the number of degrees of angle between described first gear teeth 321 and second gear teeth 322 and the angle between second gear teeth 322 and third round tooth 323 are unequal, the first through hole 13 rotated to described middle excellent direction for blocking gear 3 is provided with between described first slide 11 and the second slide 12, during to ensure deployed condition, the gear teeth (first gear teeth 321 of described blocking gear 3, second gear teeth 322 or third round tooth 323) put in the middle button hole of excellent 4 (invisible in figure) by the first through hole 13, with first slide 11 and second slide 12 corresponding position radially protruding formed on the inwall of described sleeve 2 holds the first slide 11 jointly, second slide 12, and the accommodation space 21 of blocking gear 3, the inwall of described accommodation space 21 is provided with detent bumps 22(for braking described blocking gear 3 as Fig. 3, shown in Fig. 4), after each forming parts, need described lower nest body 1, sleeve 2, when blocking gear 3 is assembled into one, first described blocking gear 3 is placed on the first fixed bit 111 on described first slide 11 and the second slide 12 and the second fixed bit 121, namely one end of the rotating shaft 31 of described blocking gear 3 is positioned at described first fixed bit 111 place, the other end is positioned at described second fixed bit 121 place, in the present embodiment, for the ease of described blocking gear 3 being positioned on described first fixed bit 111 and the second fixed bit 121, described first fixed bit 111 and the second fixed bit 121 are groove structures, certainly, in the utility model, except groove structure, it can also be apertured (picture) respectively on the face close to each other of described first slide 11 and the second slide 12, by first one end of rotating shaft 31 being put in described first slide 11(or the second slide 12) hole in, the other end of rotating shaft 31 is put in described second slide 12(or the first slide 11 again) hole in, with this, described blocking gear 3 is positioned between described first slide 11 and the second slide 12, then by the accommodation space 21 of described sleeve 2 and the first slide 11, second slide 12 of lower nest body 1 and blocking gear 3 to good position, then described sleeve 2 is upwards overlapped by the lower end of described lower nest body 1, so just, described lower nest body 1, sleeve 2, blocking gear 3 can be assembled into one, whole installation process is than faster and easily to install.

In the utility model, both are caused to depart to prevent described sleeve 2 from landing described lower nest body 1, bulge loop 14 is provided with in the lower end of the outer wall of described lower nest body 1, the inwall of described sleeve 2 is provided with for pushing up the boss 23 making described bulge loop 14, even if described like this sleeve 2 is from landing described lower nest body 1, due to described boss 23 and the effect on the top of bulge loop 14, described sleeve 2 just can not depart from described lower nest body 1.

In the utility model, in order to make the utility model when deployed condition can be more firm, the second through hole 15 is provided with at described lower nest body 1, described sleeve 2 is provided with the locating convex block 24 corresponding with described second through hole 15, when described lower nest body 1 is snapped in the middle button hole of excellent 4 by blocking gear 3, described locating convex block 24 is positioned at described second through hole 14, to prevent described sleeve 2 relative to the landing of described lower nest body 1, and, because the described locating convex block 24 in the utility model and described second through hole 15 are all the up big and down small types being arranged to be similar to arrowhead form, described locating convex block 24 can be fixed in described second through hole 15 firmly, even blow like this or artificially shake, all be unlikely to just to make described locating convex block 24 skid off from described second through hole 15 easily, when also just making umbrella be in open mode, more firm between described sleeve 2 and described lower nest body 1, thus make whole umbrella more firm, durable.

Below in conjunction with Fig. 5 to Fig. 7, to of the present utility modelly opening, umbrella closing state is described in detail:

Fig. 5 is using state structural representation of the present utility model, A in Fig. 5 is the middle axis of excellent 4, B and C is all the direction of motion of described sleeve 2 and described lower nest body 1, namely axially, first the utility model to be arranged in umbrella in rod 4, in described middle excellent 4, to be provided with the button hole (in figure invisible) corresponding with the gear teeth size on described blocking gear 3, when umbrella is in closure state, relation between described detent bumps 22 and blocking gear 3 as shown in Figure 6, namely described detent bumps 22 is between described second gear teeth 322 and third round tooth 323, the cutting plane 30 of described blocking gear 3 and the plane parallel at the place, aperture of described first through hole 13, when needs parachute-opening, promote described sleeve 2, described sleeve 2 drives described lower nest body 1 to move up the direction of C (namely in Fig. 5) along the described middle axis of excellent 4, umbrella frame is softened gradually, until described sleeve 2 and lower nest body 1 move to the described button hole place of middle excellent 4, and the described middle button hole of excellent 4 is corresponding with the first through hole 13, umbrella frame is strutted completely, described lower nest body 1 no longer moves upward, now will continue to move up by described sleeve 2, described sleeve 2 also just moves up relative to described lower nest body 1, detent bumps in described sleeve 2 22 upwardly described blocking gear 3 rotates, described blocking gear 3 rotates along rotating shaft 31 under the effect of thrust, described 321, first gear teeth are pushed in the described middle button hole of excellent 4, now, described detent bumps 22 is (as shown in Figure 7) of leaning with second gear teeth 322 of described blocking gear 3, in the present embodiment, the position contacted with each other of described detent bumps 22 and second gear teeth 322 has been configured to smooth abutment face (certainly simultaneously, this is a kind of embodiment of the present utility model, other mode can also be had, belong to prior art, repeat no longer one by one herein.), described locating convex block 24 is also pushed to and is positioned at described second through hole 14, and ensure that described sleeve 2 can not relative to the landing of described lower nest body 1, described sleeve 2 and lower nest body 1 are fixed simultaneously, and umbrella is then fully opened, as shown in Figure 7, when closing one's umbrella, sleeve 2 described in pulled down, under the effect of pulling force, described locating convex block 24 exits from described second through hole 14, 2, described sleeve moves downward relative to described lower nest body 1, detent bumps 22 in described sleeve 2 also just drives described blocking gear 3 to rotate downwards, described blocking gear 3 rotates along rotating shaft 31, first 321, the gear teeth exit from the described middle button hole of excellent 4, continue to pull described sleeve 2, described lower nest body 1 moves downward under the drive of described sleeve 2 direction of B (in as the Fig. 5), umbrella frame is drawn in gradually, when described lower nest body 1 and described sleeve arrive certain position 2 times, umbrella has then been drawn in completely, and in the utility model, because the bulge loop 14 of described lower nest body 1 pushes up the effect made from the mutual of boss 23 of the inwall of described sleeve 2, make described sleeve 2 from landing described lower nest body 1 but be unlikely to depart from completely, the utility model is opening, in the process that closes one's umbrella, by promoting described sleeve 2, make described detent bumps 22 promote described blocking gear 3 to rotate, because the size of described blocking gear 3 is less, therefore very durable, another one advantage is exactly, even when umbrella is acutely rocked, due to described blocking gear 3 inherently gear structure, and described detent bumps 22 coincide mutually with it, therefore rock and not only can not make to loosen between described blocking gear 3 and detent bumps 22, also can make between described blocking gear 3 and detent bumps 22 tightr.

Claims (4)

1. nest under a push-and-pull, comprise lower nest body (1) and be enclosed within the outside sleeve (2) of described lower nest body (1), described sleeve (2) can relative to the motion of lower nest body (1) and can drive described lower nest body (1) along in the moving axially of rod (4), it is characterized in that, the outer wall of described lower nest body (1) is provided with the first slide (11) and second slide (12) of preset distance of being separated by vertically, described first slide (11) and the second slide (12) are respectively equipped with the first fixed bit (111) and the second fixed bit (121), described first fixed bit (111) and the second fixed bit (121) be location one blocking gear (3) jointly, the first through hole (13) rotated to middle rod (4) direction for blocking gear (3) is provided with between described first slide (11) and the second slide (12), during to ensure deployed condition, the gear teeth of described blocking gear (3) put in the button hole of middle rod (4) by the first through hole (13), with first slide (11) and second slide (12) corresponding position radially protruding formed on the inwall of described sleeve (2) holds the first slide (11) jointly, second slide (12), and the accommodation space (21) of blocking gear (3), the inwall of described accommodation space (21) is provided with the detent bumps (22) for braking described blocking gear (3).

2. nest under push-and-pull according to claim 1, is characterized in that: the quantity of the gear teeth of described blocking gear (3) is equal to or greater than three, and the number of degrees of the angle between the described gear teeth are different.

3. nest under push-and-pull according to claim 1 and 2, it is characterized in that: be provided with the second through hole (15) described lower nest body (1), described sleeve (2) is provided with the locating convex block (24) corresponding with described second through hole (15), when described lower nest body (1) is snapped in the button hole of middle rod (4) by blocking gear (3), described locating convex block (24) is then positioned at described second through hole (14), to prevent described sleeve (2) relative to the landing of described lower nest body (1).

4. nest under push-and-pull according to claim 1 and 2, is characterized in that: described blocking gear (3) comprises rotating shaft (31) and half gear (32), and described half gear (32) and rotating shaft (31) are integrated.