CN2700200Y

CN2700200Y - Locking device for support unit

Info

Publication number: CN2700200Y
Application number: CN 200420042482
Authority: CN
Inventors: 陈瑞龙
Original assignee: Excellerate Enterprise Co Ltd
Current assignee: Baoju Children Products Hong Kong Co., Ltd.
Priority date: 2004-05-18
Filing date: 2004-05-18
Publication date: 2005-05-18
Anticipated expiration: 2014-05-18

Abstract

The utility model relates to a locking device for support unit, which comprises a base, a sliding seat, and a clamping piece. The base is pivoted jointed with a first supporting rod at least in the support unit. The sliding seat is pivoted jointed with a second supporting rod at least in the support unit, and a first coupled portion is arranged. One end of the clamping piece is pivoted jointed with the base, and the other end of the clamping piece is provided with the second coupled portion. The first and the second coupled portions are firmly clamping combined with each other by the elasticity of the material of the clamping piece, and further more the supporting rod which is pivoted jointed with the base and the sliding seat keeps in expanding state. On the occasion of pulling the lower end of the clamping piece, relieving the clamping combine between the first and the second coupled portions, the sliding seat slides off the base to make the supporting rod in collecting and combining state in need.

Description

The locking device of carrier unit

Technical field

The utility model relates to a kind of locking device of carrier unit, particularly a kind of by material elasticity but not by the pivot of assembly, carrier unit launches or the locking device of collapse state and change, it is non-limiting but be applicable to the product of baby's vehicle.

Background technology

As shown in Figure 1, the locking device that EP1232927A2 patent case is disclosed is that the upper end with lever 9a is articulated in handle 8, buckles into the 9b of tooth portion of lever 9a lower end in the depression 85 of slide block 5k and fastens slide block 5k, is intended to make the umbrella kickstand to remain on deployed condition.When desiring the folding umbrella kickstand, pull lever 9a, attempt makes the 9b of tooth portion break away from depression 85, allows slide block 5k slip and folds support.

Yet its lever 9a and handle 8 only are articulated in the upper end, do not stop the structure that pivots mutually if having between two members, then lever 9a must be subjected to the downward gravity of slide block 5k because of the 9b of tooth portion, and pivot to the direction near handle 8, cause the 9b of tooth portion to break away from the depression 85 of slide block 5k, and the umbrella kickstand can't be remained on deployed condition.

As shown in Figure 2, when

lever

9a and 8 of handles are provided with when stoping structure that two members pivot mutually such as short slot 8c and restriction button 9c, if the engaging between short slot 8c and restriction button 9c is enough to resist the gravity that slide block 5k acts on the 9b of tooth portion, and the umbrella kickstand is firmly remained on deployed condition, then when desiring the folding umbrella kickstand, lever 9a must be subjected to the engaging between short slot 8c and restriction button 9c, and be difficult to pivot to the direction near handle 8, cause the 9b of tooth portion to be difficult to break away from the depression 85 of slide block 5k, and can't reach the purpose of folding umbrella kickstand.

Even if lever 9a is imposed great strength, overcome the engaging between short slot 8c and restriction button 9c and reluctantly the umbrella kickstand is folded, serious wearing and tearing also can take place in short slot 8c adjacent domain and restriction button 9c.So behind the repeated use, wearing and tearing increase, and the engaging between short slot 8c and restriction button 9c may make the infant who is seated in the umbrella car because the accident of umbrella kickstand folds and crushed built on the sand.

Therefore in the existing locking device, except the engaging of 85 of the 9b of tooth portion and depressions, restriction button 9a and short slot 8c are also for keeping the necessary member of umbrella kickstand in deployed condition.And restriction button 9a and short slot 8c have and must execute the shortcoming that be difficult for folding umbrella kickstand of very big application force in lever, and restriction button 9a and short slot 8c itself also have easy wearing and tearing, cause engaging built on the sand, and crush infant's disadvantage easily.

The utility model content

Therefore, the purpose of this utility model is to provide a kind of locking device that folds easily with the stent unit.

Another purpose of the present utility model is to provide a kind of nonabradable locking device.

Another purpose of the present utility model is to provide a kind of locking device that can firm sealed carrier unit.

A purpose more of the present utility model is to provide a kind of perambulator, its have fold easily the stent unit, can firm sealed carrier unit and nonabradable locking device.

So the locking device of the utility model carrier unit is connected in a carrier unit, this carrier unit has at least one first pole and at least one second pole, is characterized in that it includes: a pedestal, a slide and an engagement piece; This pedestal, this that articulates this carrier unit be this first pole at least; This slide, this that articulates this carrier unit be this second pole at least, and has one first coupling part; And this engagement piece, the one end is connected in this pedestal, the other end has one second coupling part, this second coupling part is sticked in this first coupling part, and by the elasticity of this engagement piece material itself, this first and second coupling part is firmly intercoupled, is positioned at position near this pedestal to lock this slide, and make this carrier unit this at least this first pole and this at least this second pole remain on a deployed condition; When this other end that forces in this engagement piece, this of this engagement piece second coupling part breaks away from this first coupling part of this slide, make this slide can be with respect to this base motion, but and make this carrier unit and this at least this first pole and this at least this second pole be in a collapse state.

Preferably, the locking device of the utility model carrier unit is characterized in: this pedestal has one first articulated section, and this engagement piece is provided with one second articulated section in this end, to be connected with this first articulated section.

Preferably, the locking device of the utility model carrier unit is characterized in: this engagement piece props up this pedestal in this end, and this engagement piece elastically deformable.

Preferably, the locking device of the utility model carrier unit is characterized in: this first coupling part is a raised line, and this second coupling part is a groove.

Preferably, the locking device of the utility model carrier unit is characterized in: this pedestal has at least one fluting with ccontaining this this first pole at least.

Preferably, the locking device of the utility model carrier unit is characterized in: this slide has at least one fluting with ccontaining this this second pole at least.

Preferably, the locking device of the utility model carrier unit is characterized in: this locking device also has the leader who is located at this articulated part, with auxiliary this carrier unit that folds.

Preferably, the locking device of the utility model carrier unit is characterized in: this carrier unit also comprises a guide rod, and this guide rod is connected in this pedestal, to guide the motion of this slide.

Preferably, the locking device of the utility model carrier unit is characterized in: this pedestal has a conduit, with ccontaining this guide rod.

Preferably, the locking device of the utility model carrier unit is characterized in: this slide has the groove of wearing, with ccontaining this guide rod.

Preferably, the locking device of the utility model carrier unit is characterized in: this carrier unit also comprises a pedal group of being located at this guide rod one end, in order to launching this carrier unit.

Preferably, the locking device of the utility model carrier unit is characterized in: this carrier unit also comprises at least one the 3rd pole, to connect this guide rod and this this second pole at least.

Preferably, the locking device of the utility model carrier unit is characterized in: this carrier unit also comprises a mobile jib group, and it is connected in this this first pole and this this second pole at least at least.

Preferably, the locking device of the utility model carrier unit is characterized in: this carrier unit is the part of a perambulator.

For further specifying above-mentioned purpose of the present utility model, constructional feature and effect, the utility model is described in detail below with reference to accompanying drawing.

Description of drawings

Fig. 1 is the scheme drawing of existing locking device;

Fig. 2 is the scheme drawing that existing locking device is assembled in the umbrella kickstand;

Fig. 3 is the exploded block diagram of locking device of the present utility model;

Fig. 4 is the pedestal block diagram of locking device of the present utility model;

Fig. 5 is the slide block diagram of locking device of the present utility model;

Fig. 6 is the engagement piece block diagram of locking device of the present utility model;

Fig. 7 is the three-dimensional combination figure of locking device of the present utility model and carrier unit, shows that locking device is locked in deployed condition with carrier unit; And

Fig. 8 is the three-dimensional combination figure of locking device of the present utility model and carrier unit, shows that the locking device release the lock makes carrier unit be the state that can fold.

The specific embodiment

As shown in Figure 3, the locking device 1 of the carrier unit of the utility model preferred embodiment comprises a rectangular susceptor 2, a rectangle slide 5, a cap-like engagement piece 6 and leader 7.

As shown in Figure 3 and Figure 4, this pedestal 2 comprises one first mainboard 21 that is parallel to each other and one second mainboard 22, is connected a U-shaped master bridging board 23 of first mainboard 21 and second mainboard 22 and defined and be positioned at the main fluting 24 of three end faces of first and second mainboard 21,22 by 21,22 of first and second mainboards.

The surface that first mainboard 21 has the through hole 211 that is positioned at centre, be positioned at first mainboard 21 go up and in 2 first articulated sections 212 of these through hole 211 both sides, lay respectively at each 212 center, first articulated section and be communicated to two open-works 214 of main bridging board 23 and be formed at another surperficial conduit 213 of first mainboard 21.Second mainboard 22 has a perforation 221 that aligns with the through hole 211 of first mainboard 21.

As Fig. 3 and shown in Figure 5, this slide 5 comprises one first subplate 51 that is parallel to each other and one second subplate 52, be connected a secondary bridging board 53 of first subplate 51 and second subplate 52 and defined and be positioned at the pair fluting 54 of three end faces of first and

second subplate

51,52 by 51,52 of first and second subplates.

First subplate 51 is in a surface of contiguous second subplate 52, have define by rib one wear groove 511, and with wear 511 one-tenth of grooves vertical to two fish eyelets 512.First subplate 51 has for example one first coupling part 513 of a raised line in the surface away from second subplate 52.This raised line 513 is inclined-plane 514 towards a side of secondary bridging board 53.

As Fig. 3 and shown in Figure 6, engagement piece 6 is made by for example elastomeric material of tool such as plastics or metal.The structure of engagement piece 6 comprises for example one second coupling part 62 of a groove of one second articulated section 64 of contiguous its upper end 63, a pivoted hole 61 that is positioned at the center, articulated section and contiguous its lower end 65.

The assembling of locking device 1

As Fig. 3 and shown in Figure 7, pass two stomidiums of handle 7, the open-work 214 of pedestal 2 and the pivoted hole 61 of engagement piece 6 with a pin 71, and handle 7, pedestal 2 and engagement piece 6 are combined.This moment engagement piece 6 second articulated section 64 between two first articulated sections 212 of pedestal 2, and first mainboard 21 of the upper end 63 of engagement piece 6 contact pedestals 2.

Again slide 5 is placed pedestal 2 belows, first coupling part 513 of slide 5 is snapped in second coupling part 62 of engagement piece 6, make pedestal 2, engagement piece 6 with slide 5 triplicitys be in the same place, with the locking device 1 of the carrier unit that constitutes this creation.

Other embodiment of locking device 1

The pedestal 2 of above-mentioned preferred embodiment is provided with two first articulated sections 212, and engagement piece 6 is provided with one second articulated section 64.Yet in other preferred embodiment, pedestal 2 can only be established one first articulated section 212, and engagement piece 6 is provided with two second articulated sections 64.Also but pedestal 2 is only established one first articulated section 212, and engagement piece 6 also only is provided with one second articulated section 64.

First coupling part 513 of the slide 5 of above-mentioned preferred embodiment is an example with the raised line, and second coupling part 62 of engagement piece 6 is an example with the groove.But in the preferred embodiment, the detailed construction of two coupling parts is interchangeable.

Carrier unit 9:

As shown in Figure 7, use the carrier unit 9 of locking device 1 of the present utility model to comprise a mobile jib group 91, pole group 92 and one pedal group 93.

This mobile jib group 91 comprises many mobile jibs 911, and many mobile jibs 911 can be parallel to each other, tilt mutually or intersect mutually to constitute a perambulator or to have the hand barrow (figure does not show) of sunshade, and present embodiment only shows two parallel mobile jibs 911.

This pole group 92 comprises 2

first poles

921,2

second poles

922,2 the 3rd poles 923 and a guide rod 924.

This pedal group 93 has fixedly all-in-one-piece one plate body 931 and a fixed link 932.This plate body 931 has a short slot 933 in front end, and fixed link 932 has a centre hole 934.

The assembling of locking device 1 and carrier unit 9

Shown in Fig. 4,5,6,7, one end of two first poles 921 is articulated in two mobile jibs 911 with a rivet respectively, and with the other end of two first poles 921 respectively in main fluting 24 is inserted in pedestal 2 both sides, and an end of guide rod 924 inserted in the conduit 213 of pedestal 2.Pass the through hole 211 of first mainboard 21, this end of guide rod 924, this other end of two first poles 921 and the perforation 221 of second mainboard 22 in regular turn with a rivet (figure does not show) then, and above-mentioned member is articulated.

One end of two second poles 922 inserts in the pair fluting 54 of slide 5, then with rivet be articulated in respectively slide 5 two fish eyelets 512.The other end of guide rod 924 is passed the short slot 933 of wearing groove 511 and plate body 931 of slide 5, pass the other end of centre hole 934, guide rod 924 these other ends and the 3rd pole 923 of fixed link 932 again with rivet, and pedal group 93 and guide rod 924 and 923 pivot joints of the 3rd pole are integral.At last respectively with rivet with the other end of each second pole 922 and the other end of each the 3rd pole 923, be articulated in each mobile jib 911 together.

As shown in Figure 7, when slide 5 is positioned at the upper end (first dead center) of guide rod 924 and during contiguous pedestal 2, each pole 921,922,923 is launched mutually, especially first pole 921 and the 3rd pole 923 are slightly downward-sloping closely horizontal.By the configuration of this pole, can make mobile jib group 92 even integral support unit 9 remain on this deployed condition automatically.And engagement piece 6 is by elasticity that elastomeric material own had, make its second coupling part 62 often be fastened on first coupling part 513 of slide 5, can be used as the second road safety fixed mechanism, make slide 5 can not act on carrier unit 9 and the first dead center of the guide rod 924 that slips away, and then pole group 92 and carrier unit 9 accidents are folded because of unexpected external force.

As shown in Figure 8, when desiring to fold carrier unit 9, need only pull open the lower end 65 of engagement piece 6 on the other hand.The upper end of engagement piece 6 props up first mainboard 21 of pedestal 2 at this moment, therefore engagement piece 6 can not pivot, can only be by the elastic deformation of second articulated section 64 to 65 materials in engagement piece 6 lower ends, or even the distortion of engagement piece 6 all materials, make second coupling part 62 break away from first coupling part 513 of slides 5, allow slide 5 pedestal 2 that slips away.Push away first pole 921 on hand with another then, remove pole group 92 or slide 5 and be positioned at the state of first dead center, and make slide 5 along guide rod 924 to lower slider and away from pedestal 2, and then fold carrier unit 9.Perhaps will draw on the handle 7, with separating of supplementary base 2 and slide 5 with another hand.

When desiring once again stent unit 9, can both hands drawing back mobile jib 911 makes on the slide 5 sliding, by inclined-plane 514 of first coupling part 513 on the slide 5 and helping of engagement piece 6 elastic properties of materials, first coupling part 513 slips over the lower end 65 of engagement piece 6, and then fasten with second coupling part 62 of engagement piece 6, carrier unit 9 is fixed in deployed condition.Or when the lower end 65 of first coupling part, 513 sliding nearly engagement pieces 6, pull open the lower end 65 of engagement piece 6 with another hand, to help first coupling part 513 to slip over the lower end 65 of engagement piece 6, decontrol this hand then, by the elasticity of engagement piece 6 materials itself, first coupling part 513 and second coupling part 62 are firmly engaged.Or one pin slam pedal group 93, both hands draw back mobile jib 911, the easier stent of using both hands and feet unit 9.

But the above person, it only is preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented with this, be that every simple equivalent of being done according to the utility model claim and utility model description changes and modifies, all should still belong in the scope that the utility model patent contains.

Claims

1. the locking device of a carrier unit is connected in a carrier unit, and this carrier unit has at least one first pole and at least one second pole, it is characterized in that it includes: a pedestal, a slide, an and engagement piece;

This pedestal, this that articulates this carrier unit be this first pole at least;

This slide, this that articulates this carrier unit be this second pole at least, and has one first coupling part; And

This engagement piece, the one end is connected in this pedestal, the other end has one second coupling part, this second coupling part is sticked in this first coupling part of this slide, and by the elasticity of this engagement piece material itself, this first and second coupling part is firmly intercoupled, is positioned at position near this pedestal to lock this slide, and make this carrier unit this at least this first pole and this at least this second pole remain on a deployed condition;

When this other end that forces in this engagement piece, this of this engagement piece second coupling part breaks away from this first coupling part of this slide, make this slide can be with respect to this base motion, but and make this carrier unit this at least this first pole and this at least this second pole be in a collapse state.

2. the locking device of carrier unit as claimed in claim 1, it is characterized in that: this pedestal has one first articulated section, and this engagement piece is provided with one second articulated section in this end, to be connected with this first articulated section.

3. the locking device of carrier unit as claimed in claim 2, it is characterized in that: this engagement piece props up this pedestal in this end, and this engagement piece elastically deformable.

4. the locking device of carrier unit as claimed in claim 1, it is characterized in that: this first coupling part is a raised line, and this second coupling part is a groove.

5. the locking device of carrier unit as claimed in claim 1 is characterized in that: this pedestal has at least one fluting for ccontaining this this first pole at least.

6. the locking device of carrier unit as claimed in claim 1 is characterized in that: this slide has at least one fluting for ccontaining this this second pole at least.

7. the locking device of carrier unit as claimed in claim 1, it is characterized in that: this locking device also has the leader who is located at this articulated part, with auxiliary this carrier unit that folds.

8. the locking device of carrier unit as claimed in claim 1, it is characterized in that: this carrier unit also comprises a guide rod, and this guide rod is connected in this pedestal, to guide the motion of this slide.

9. the locking device of carrier unit as claimed in claim 8, it is characterized in that: this pedestal has a conduit, for ccontaining this guide rod.

10. the locking device of carrier unit as claimed in claim 8, it is characterized in that: this slide has the groove of wearing, for ccontaining this guide rod.

11. the locking device of carrier unit as claimed in claim 8 is characterized in that: this carrier unit also comprises a pedal group of being located at this guide rod one end, in order to launching this carrier unit.

12. the locking device of carrier unit as claimed in claim 8 is characterized in that: this carrier unit also comprises at least one the 3rd pole, to connect this guide rod and this this second pole at least.

13. the locking device of carrier unit as claimed in claim 8 is characterized in that: this carrier unit also comprises a mobile jib group, and it is connected in this this first pole and this this second pole at least at least.

14. the locking device of carrier unit as claimed in claim 1 is characterized in that: this carrier unit is the part of a perambulator.