CN201177003Y

CN201177003Y - Sucking disc

Info

Publication number: CN201177003Y
Application number: CNU2008200840964U
Authority: CN
Inventors: 陈洪良
Original assignee: NINGBO SHUANGYOU PLASTIC PRODUCTS CO Ltd
Current assignee: NINGBO SHUANGYOU PLASTIC PRODUCTS CO Ltd
Priority date: 2008-03-14
Filing date: 2008-03-14
Publication date: 2009-01-07
Anticipated expiration: 2018-03-14

Abstract

The utility model relates to a sucker, which comprises a sucker body (1), wherein the top of the upper end face of the sucker body (1) is provided with a convex joint (2). The sucker is characterized in that the sucker also comprises an elastic reed (3) which is fixed on the external surface of the sucker body (1), wherein the elastic reed (3) comprises at least two elastic support legs (32). The sucker takes a hold-down strip which is provided with the elastic support legs and connected with the elastic support legs on the sucker body as the elastic reed, and can increase the vacuum suction between the sucker body and a contact surface under the action of the rebounding force of the elastic reed; the elastic reed has a simple structural design, adopts integral injection moulding, does not require other parts for assembly forming, and requires less components and parts; and when the sucker is used, a user only needs to exert a pressing force on the sucker body and the elastic reed, and then the whole sucker is firmly absorbed on a contact plane after the pressing force disappears, thereby the operation is simpler and quicker.

Description

A kind of sucker

Technical field

The utility model relates to a kind of sucker.

Background technique

Common sucker because the plastic material that adopts more, be adsorbed onto surface of contact after a period of time, because material distortion and aging itself, perhaps because be subjected to the moisture or the influence of temperature change of air, residual air in the sucker expands, degree of vacuum reduces, so that sucker just is easy to split away off automatically from surface of contact after a period of time.Therefore, how effectively to increase the pull of vacuum of sucker, sucker is adsorbed on the surface of contact securely, this is that a problem of solution is all being sought by a lot of producers.If any application number is that 200610036742.5 Chinese invention patent " sucker structure " provides a kind of sucker structure, it includes sucker, pull bar, bracket, linkage part, couple axle and pivot pin, wherein, by pivot pin and couple axle aforementioned each assembly is combined as a whole, and by pulling linkage part, to rotate couple axle, make the related pull bar that lifts of cam of couple axle, promptly draw high sucker by this and produce adsorption function.But, the sucker component of above-mentioned patent are more, production and assembling are all cumbersome, and, during use, primarily sucker to be oppressed on surface of contact, and then will down pull linkage part, so just need two actions therefore sucker can be adsorbed onto on the surface of contact,, await existing sucker structure is made further improvement, a kind of sucker simple in structure and easy to use can be set.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of component sucker less and easy to use at above-mentioned prior art present situation, and the pull of vacuum when this sucker can effectively increase absorption is simple in structure.

The utility model solves the problems of the technologies described above the technological scheme that is adopted: this sucker, include the sucker body, this sucker body is provided with the connecting head of projection at the top, upper-end surface, it is characterized in that: also include an elastic spring that is fixedly installed on this external surface of sucker, described elastic spring includes at least two flexible feets.

Fixing for the ease of elastic spring, described elastic spring center has through hole, and described flexible feet is center and uniform setting with the axis of described through hole, and this through hole can be set on the described connecting head; In order to increase and adsorb the area of contact on plane, increase frictional force, be fixedly connected with on the end of each described flexible feet and the suitable press strip of the outer rim of described sucker body.

For sucker being connected with devices such as fixed support or pull bars, and realize that making progress of sucker promotes, described connecting head is cylindrical body, with the perpendicular direction of the axis of this connecting head on offer an attachment hole, fixed support or pull bar can pass this attachment hole fixedlys connected with sucker.

In order to prevent that elastic spring from coming off from the connecting head of sucker body, also include the end cap that an energy is fixedlyed connected with this connecting head, correspondingly have one and the corresponding hole slot of described attachment hole on this end cap, after end cap and the mutual socket of connecting head were fixing, elastic spring just was fixed between end cap and the sucker body by blocking.

Compared with prior art, advantage of the present utility model is: be provided with the press strip that has flexible feet and be connected with this flexible feet as elastic spring on the sucker body, can increase the pull of vacuum between sucker body and the surface of contact under the rebounding force effect of elastic spring; The structural design of this elastic spring is simple, adopt the integrated through injection molding moulding, need not miscellaneous part assembling moulding, component are less, and, in use, only need to apply a compressing power together with elastic spring for the sucker body, after compressing power disappeared, whole sucker was operated more simple and fast with regard to firm being adsorbed on the contact plane.

Description of drawings

Fig. 1 is the utility model embodiment one a perspective view.

Fig. 2 is the three-dimensional exploded view of Fig. 1.

Fig. 3 is the utility model embodiment one a plan view.

Fig. 4 is that the A-A of Fig. 3 is to sectional view.

Fig. 5 is the utility model embodiment one user mode figure (the oppressed state of sucker).

Fig. 6 is the utility model embodiment one user mode figure (compressing power disappearance back state).

Fig. 7 is the utility model embodiment two a perspective view.

Embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Embodiment one, as Fig. 1～shown in Figure 4:

Sucker of the present utility model includes a sucker body 1, this sucker body 1 is provided with the connecting head 2 of a projection at the top, upper-end surface, connecting head 2 is cylindrical body, with the perpendicular direction of the axis of this connecting head 2 on offer an attachment hole 21, support or pull bar can be through in the attachment hole 21, when support or pull bar are stressed along the parallel axes of connecting head 2 or Vertical direction, can apply a pulling force that up promotes to sucker simultaneously;

Sucker body 1 is provided with an elastic spring 3, this elastic spring 3 has through hole 31 at the center, this through hole 31 can be set on the connecting head 2, this elastic spring 3 includes two flexible feets 32, and be arranged on the flexible feet 32 accordingly, have a camber press strip 33 suitable with the outer of sucker body 1, wherein, flexible feet 32 is center and uniform setting with the axis of the through hole 31 on this

elastic spring

3,33 ends that are connected flexible feet 32 of press strip;

Described connecting head 2 also includes the end cap 4 that an energy is fixedlyed connected with this connecting head 2, correspondingly have one and described attachment hole 21 corresponding hole slots 41 on this end cap 4, after end cap 4 and connecting head 2 mutual sockets were fixing, elastic spring 3 just was fixed between end cap 4 and the sucker body 1.

As Fig. 5, Fig. 6 is the user mode figure of present embodiment, when apply a downward pressure (shown in Fig. 5 arrow) to sucker, when being adsorbed onto sucker on the contact plane 5, elastic spring 3 and sucker body 1 deform simultaneously and are strutted, the inner face 11 of sucker body 1 and space 6 smaller volume between the contact plane 5, the air of the inside is forced out, and produces certain pull of vacuum; After the compressing power of outside disappears, elastic recovery takes place in elastic spring 3, and the press strip 33 on this elastic spring 3 still is close to contact plane 5, the connecting head 2 of sucker body 1 is because worn support or the pull bar that hangs with article at this moment, can produce a tensile force that makes progress (shown in Fig. 6 arrow), the inner face 11 of sucker body 1 and space 6 volumes between the contact plane 5 become big, the pull of vacuum of the inside also can strengthen, so, sucker just can be comparatively firm be adsorbed on the contact plane, and whole adsorptive process is exactly a pressing action, and is simple and convenient.

Implement two, as shown in Figure 7:

With embodiment's one different being, sheathed elastic spring 3 includes three flexible feets 32 on the sucker body 1 in the present embodiment, three flexible feets 32 are center and uniform setting to be arranged on through hole 31 axis on the elastic spring 3 equally, correspondingly, each flexible feet 32 is connected with the press strip 33 suitable with the outer rim of described sucker body 1.In fact, the quantity of flexible feet can have a plurality of, when the quantity of flexible feet more for a long time, the press strip that links to each other with flexible feet just can comparatively comprehensively all be pushed down the outer rim of sucker body, makes that the adsorption effect of sucker is better.

Claims

1, a kind of sucker, include sucker body (1), this sucker body (1) is provided with the connecting head (2) of projection at the top, upper-end surface, it is characterized in that: also include an elastic spring (3) that is fixedly installed on sucker body (1) outer surface, described elastic spring (3) includes at least two flexible feets (32).

2, sucker according to claim 1, it is characterized in that: described elastic spring (3) center has through hole (31), described flexible feet (32) is center and uniform setting with the axis of described through hole (31), this through hole (31) can be set on the described connecting head (2), is fixedly connected with the press strip (33) suitable with the outer rim of described sucker body (1) on the end of each described flexible feet (32).

3, sucker according to claim 1 and 2 is characterized in that: described connecting head (2) is cylindrical body, with the perpendicular direction of the axis of this connecting head (2) on offer an attachment hole (21).

4, sucker according to claim 3 is characterized in that: also include the end cap (4) that an energy is fixedlyed connected with described connecting head (2), correspondingly have one and the corresponding hole slot of described attachment hole (21) (41) on this end cap (4).