CN201468249U

CN201468249U - Push-pull lower nest positioning structure

Info

Publication number: CN201468249U
Application number: CN2009201341012U
Authority: CN
Inventors: 陈永进
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-07-13
Filing date: 2009-07-13
Publication date: 2010-05-19
Anticipated expiration: 2019-07-13

Abstract

The utility model relates to a push-pull lower nest positioning structure, which comprises a lower nest body (2) sleeved on a middle rod (1) in a sliding manner. The middle rod (1) is provided with the vertical convex key (12) with a gap (11). The inner wall of the lower nest body (2) is provided with a groove (22) matched with the vertical convex key (12) in the sliding manner. The bottom wall of the groove (22) is provided with a groove hole (21) through which a locating roller (5) passes. The lower part of the lower nest body (2) is sleeved with a sleeve (3) in the sliding manner. The distance between the inner wall at which the sleeve (3) corresponds to the locating roller (5) and the gap (11) is long at upper part and short at lower part. The roller (5) partially enters or leaves the gap (11) by pushing the sleeve (3) up and down; consequently the lower nest body (2) is locked or released. The utility model has simple operation, dose not clamp fingers, positions the lower nest more reliably and enduringly and is applicable to manual straight umbrella or multiband umbrella.

Description

The plug-type location structure of nest down

Technical field

The utility model relates to the parts of parachute kit used in everyday, relates in particular to the locking device of nest under the parachute kit, is applicable to manual vertical frame umbrella or rolls over umbrella more.

Background technology

In the prior art, for the nest physical efficiency that makes umbrella is positioned at deployed condition, normally in the inner chamber of middle rod, catapult is set, under deployed condition, thereby rod surface and the bottom that is supported on the nest body made nest body location during this catapult was outstanding, but this nest body location structure assembling is complicated, fault rate is high, and opens when closing one's umbrella, and this catapult crushes people's finger easily.For this reason, notification number is the positioner that the Chinese utility model patent of CN2617216Y discloses a kind of umbrella nest, this positioner is to be provided with the stop section on middle rod, on the nest body, establish the clamping piece of shell fragment shape, and utilize and to be enclosed within the external operating parts of nest described clamping piece is moved inward and is stuck on the stop section, thereby make the nest body be positioned at deployed condition.But also there is following shortcoming in this positioner: 1, under deployed condition, the clamping piece place that the power of umbrella frame and umbrella cover all acts on the nest body downwards might damage this clamping piece; The elastic reset that must utilize clamping piece when 2, closing one's umbrella is to discharge the nest body, and after repeatedly using, this clamping piece follows the string sometimes and can't discharge the nest body, causes the embarrassment that can't close one's umbrella.

The utility model content

The technical problems to be solved in the utility model provides the reliably plug-type location structure of nest down of a kind of structural safety.

The purpose of this utility model can realize by adopting following technical measures, designs a kind of plug-type location structure of nest down, and comprising: middle rod and slip cap are connected to the lower honeycomb body of described middle rod;

Rod is provided with vertical protruding key in described, offers a breach on this vertical protruding key; The inwall of described lower honeycomb body be provided with can with described in the groove that is slidingly matched of the vertical protruding key of rod, the bottom land wall of this groove is provided with the slotted eye that passes for a location roller bearing; The bottom of described lower honeycomb body and a sleeve slip socket, this sleeve is short with inwall minister bottom on the distance of described breach of roller bearing corresponding position, described location;

When upwards promoting the sleeve parachute-opening, described sleeve and the lower honeycomb body described location of clamping roller bearing together scroll up along described middle excellent vertical protruding key, when arriving the parachute-opening position, described location roller bearing is partly pushed by described sleeve lining in the breach of described vertical protruding key lower honeycomb body is locked; When pulling down sleeve and close one's umbrella, described location roller bearing is by the described breach of the extrapolated disengaging of the apical margin of lower honeycomb body slotted eye, and described lower honeycomb body is released.

With the corresponding position of roller bearing, described location, the inwall of described sleeve is stepped, is connected by a transition inclined-plane or cambered surface between its epimere inwall and the hypomere inwall.

The bottom land wall of described groove forms lug boss on described lower honeycomb body surface, this lug boss middle part is concaved with vertical gathering sill, the hypomere inwall of described sleeve stage shape inwall and transition inclined-plane or cambered surface convexedly stretch in this gathering sill, can prevent relatively rotating between sleeve and the lower honeycomb body.

The lateral surface of described lug boss and vertical protruding key is vertical plane, and described breach, slotted eye and location roller bearing are horizontally disposed with, and makes this location roller bearing can place in described breach and the slotted eye reliably thus and scroll-up/down smoothly.

The outer wall corresponding position of the inwall of described sleeve and lower honeycomb body is respectively equipped with the vertical chute and the projection of concavo-convex cooperation, makes can slide up and down relatively between described sleeve and the lower honeycomb body, can prevent that sleeve breaks away from lower honeycomb body simultaneously.

Described lower honeycomb body sidewall is provided with shell fragment, is respectively equipped with concavo-convex small salient point that cooperates and pit on this shell fragment and the described sleeve, and when lower honeycomb body was in the parachute-opening position, described small salient point snapped in the described pit described sleeve location.

Described shell fragment can dig inverted U-shaped fluting and form on described lower honeycomb body sidewall.

When described location roller bearing was pushed in the described breach, the axle center of this location roller bearing was positioned at the outside of this breach, thereby this structure makes when closing one's umbrella this location roller bearing ratio be easier to the breach release lower honeycomb body that goes out pushed outwards.

Compared with prior art, the location structure of the plug-type down nest of the utility model only needs the described sleeve of push-and-pull up or down to open to close one's umbrella, very simple and convenient, safe, the finger that can not crush the user of operation not only, and to the location of nest down reliably, be difficult for breaking down.

Description of drawings

The drawing of accompanying drawing is described as follows:

Fig. 1 is the plug-type exploded view of the location structure of nest down of the utility model;

Fig. 2 is the plug-type horizontal sectional drawing of the location structure of nest down of the utility model;

Fig. 3 is the plug-type stereogram of location structure under umbrella closing state of nest down of the utility model;

Fig. 4 is the plug-type profile of location structure under umbrella closing state of nest down of the utility model;

Fig. 5 is the plug-type stereogram of location structure under deployed condition of nest down of the utility model;

Fig. 6 is the plug-type profile of location structure under deployed condition of nest down of the utility model;

Fig. 7 is the structural representation of concavo-convex cooperation between described nest body 2 and the sleeve 3.

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

As shown in Figure 1, the location structure of plug-type down nest of the present utility model comprises: middle excellent 1, slip cap be connected to described in lower honeycomb body 2, the slip cap of rod 1 be connected on the sleeve 3 and a location roller bearing 5 of described lower honeycomb body 2 bottoms.Wherein, described in excellent 1 sidewall be provided with vertical protruding key 12, the lateral surface of this vertical protruding key 12 is a vertical plane, offers a horizontally disposed breach 11 on it.As shown in Figure 2, the inwall of described lower honeycomb body 2 be provided with can with described in the groove 22 that is slidingly matched of rod 1 vertical protruding key 12, the bottom land wall of this groove 22 is provided with a horizontally disposed slotted eye 21.Described location roller bearing 5 is sandwiched between between described middle rod 1 and the sleeve 3 and level is installed in the slotted eye 21 of lower honeycomb body 2, and this location roller bearing 5 should adopt metals such as higher material of strength ratio such as iron.When described lower honeycomb body 2 was positioned at the parachute-opening position, as shown in Figure 6, described breach 11 was corresponding with described slotted eye 21 positions, and described location roller bearing 5 can be partially submerged into the outside that these breach 11 axle center interior and this location roller bearing 5 are positioned at described breach 11.

As Fig. 4 or shown in Figure 6, the inner chamber of described sleeve 3 is shape wide at the top and narrow at the bottom, and in the position corresponding with described location roller bearing 5, its epimere inwall 31 is long from the distance of described breach 11, hypomere inwall 32 is shorter from the distance of described breach 11.In the present embodiment, described sleeve 3 is stepped at the inwall at this place, and its epimere inwall 31 is vertical plane with hypomere inwall 32, and connects by a transition inclined-plane or cambered surface 33 between the two.

As Fig. 1, the bottom land wall of described groove 22 forms lug boss 25 on described lower honeycomb body 2 surfaces, these lug boss 25 lateral surfaces are vertical plane, its middle part is concaved with vertical gathering sill 26, as Fig. 4 or shown in Figure 6, the hypomere inwall 32 of described 3 stage of sleeve shape inwall and transition inclined-plane or cambered surface 33 are bulge-structure and convexedly stretch in this gathering sill 26 that this structure can prevent relatively rotating between sleeve 3 and the lower honeycomb body 2.

The outer wall corresponding position of the inwall of described sleeve 3 and lower honeycomb body 2 is respectively equipped with the vertical chute and the projection of concavo-convex cooperation, makes can slide up and down relatively between described sleeve 3 and the lower honeycomb body 2.As shown in Figure 7, in the present embodiment, described lower honeycomb body 2 outer walls each side establish a projection 28, respectively be arranged with a vertical chute 34 in corresponding position, described sleeve 3 left and right sides, described like this sleeve 3 can only slide up and down along this vertical chute 34 and can not break away from lower honeycomb body 2.

For described sleeve 3 can be located on the lower honeycomb body 2 when the deployed condition, as shown in Figure 7, on the rear sidewall of described lower honeycomb body 2, dig an inverted U-shaped fluting 24 and form a shell fragment 23, on these shell fragment 23 outer walls, a small salient point or pit 27 are set, and pit or small salient point are set in described sleeve 3 inwall corresponding positions, when lower honeycomb body 2 is in the parachute-opening position, thereby small salient point on the described shell fragment 23 or pit 27 cooperate described sleeve 3 location with the pit or the mutual clamping of small salient point of sleeve 3.

When upwards promoting sleeve 3 parachute-openings, as shown in Figure 5 and Figure 6, described sleeve 3 and the lower honeycomb body 2 described location of clamping roller bearing 5 together scroll up along described middle excellent 1 vertical protruding key 12, when arriving the parachute-opening position, thereby described location roller bearing 5 is pushed breach 11 interior lower honeycomb body 2 can the locking of described vertical protruding key 12 by the lower inner wall 32 of sleeve 3 convexes; And when pulling down sleeve 3 and close one's umbrella, as shown in Figure 3 and Figure 4, the upper inside wall 31 of sleeve 3 is relative with described location roller bearing 5, have certain space between sleeve 3 and the lower honeycomb body 2 this moment, described location roller bearing 5 can be by the described breach 11 of the extrapolated disengaging of apical margin of lower honeycomb body 2 slotted eyes 21, and at this moment described lower honeycomb body 2 is released.As seen can realize opening closing one's umbrella by the described sleeve 3 of push-and-pull, operate very convenient and safety, and the location of following nest is very reliable.

Claims

1. the location structure of a plug-type down nest comprises: middle rod (1) and slip cap be connected to described in the lower honeycomb body (2) of rod (1); It is characterized in that:

Rod (1) is provided with vertical protruding key (12) in described, offers a breach (11) on this vertical protruding key (12); The inwall of described lower honeycomb body (2) be provided with can with described in the groove (22) that is slidingly matched of rod (1) vertical protruding key (12), the bottom land wall of this groove (22) is provided with the slotted eye (21) that passes for a location roller bearing (5); The bottom of described lower honeycomb body (2) and a sleeve (3) slip socket, this sleeve (3) is short from the last minister of the distance bottom of described breach (11) with the inwall of described location roller bearing (5) corresponding position;

When upwards promoting sleeve (3) parachute-opening, described sleeve (3) and lower honeycomb body (2) the vertical protruding key (12) of the described location of clamping roller bearing (5) rod (1) in described together scroll up, when arriving the parachute-opening position, described location roller bearing (5) is pushed by described sleeve (3) inner wall section in the breach (11) of described vertical protruding key (12) lower honeycomb body (2) is locked; When pulling down sleeve (3) when closing one's umbrella, described location roller bearing (5) is by the described breach of the extrapolated disengaging of apical margin (11) of lower honeycomb body (2) slotted eye (21), and described lower honeycomb body (2) is released.

2. the plug-type location structure of nest down according to claim 1, it is characterized in that: with the corresponding position of described location roller bearing (5), the inwall of described sleeve (3) is stepped, is connected by a transition inclined-plane or cambered surface (33) between its epimere inwall (31) and the hypomere inwall (32).

3. the plug-type location structure of nest down according to claim 2, it is characterized in that: the bottom land wall of described groove (22) forms lug boss (25) on described lower honeycomb body (2) surface, this lug boss (25) middle part is concaved with vertical gathering sill (26), and the hypomere inwall (32) of described sleeve (3) stage shape inwall and transition inclined-plane or cambered surface (33) convexedly stretch in this gathering sill (26).

4. the plug-type location structure of nest down according to claim 3, it is characterized in that: the lateral surface of described lug boss (25) and vertical protruding key (12) is vertical plane, and described breach (11), slotted eye (21) and location roller bearing (5) are horizontally disposed with.

5. according to each described plug-type location structure of nest down of claim 1 to 4, it is characterized in that: the outer wall corresponding position of the inwall of described sleeve (3) and lower honeycomb body (2) is respectively equipped with the vertical chute and the projection of concavo-convex cooperation, makes can slide up and down relatively between described sleeve (3) and the lower honeycomb body (2).

6. according to each described plug-type location structure of nest down of claim 1 to 4, it is characterized in that: described lower honeycomb body (2) sidewall is provided with shell fragment (23), be respectively equipped with concavo-convex small salient point that cooperates and pit on this shell fragment (23) and the described sleeve (3), when lower honeycomb body (2) was in the parachute-opening position, described small salient point snapped in the described pit described sleeve (3) is located.

7. the location structure of plug-type down nest according to claim 6 is characterized in that: described shell fragment (23) is to dig inverted U-shaped fluting (24) and form on described lower honeycomb body (2) sidewall.

8. according to location structure of each described plug-type down nest of claim 1 to 4, it is characterized in that: described location roller bearing (5) is pushed into described breach (11) when interior, and the axle center of this location roller bearing (5) is positioned at the outside of this breach (11).