CN202073906U

CN202073906U - Vacuum chuck

Info

Publication number: CN202073906U
Application number: CN2011200338931U
Authority: CN
Inventors: 何文徽
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-01-31
Filing date: 2011-01-31
Publication date: 2011-12-14
Anticipated expiration: 2021-01-31

Abstract

Provided is a vacuum chuck belonging to a daily hardware. The vacuum chuck includes a box-shaped casing, a lower base, and a chuck body, a plurality of plunger holes are arranged on the lower base, and more than two slideways with slopes are arranged at the edge of the lower base; a through hole is arranged in the center of the casing, bosses corresponding to the slideways of the lower base in number are arranged on the circumference of the inner wall of the casing, each boss is directly contacted with each slideway on the lower base; a plurality of plungers are arranged on the periphery of the chuck body, the plungers are embedded in the plunger holes, a connecting column is arranged in the center of the chuck body, a collar groove is arranged at the part where the connecting column penetrates out of the casing, and a collar is clamped on the collar groove. The vacuum chuck makes use of the friction between the bosses and the slideways or the elastic force of a torsion spring to enable the vacuum chuck to be maintained in a sucking state without the need for arranging an elastic ball positioning mechanism, thereby simplifying the design; in addition, a fishing hook shaped vacuum chuck hook is replaced by an externally connected pendant which can be designed into various specified shapes by cooperating with the style and taste of the object to be supported; the vacuum chuck is suitable to be installed and used in families or hotels etc.

Description

Vacuum chuck

Technical field

The utility model belongs to haberdashery and hardware, especially a kind of sucker that is used to support object on the smooth metope that is installed in.

Background technique

The common knob style vacuum chuck in market is pressed in boss on the slope by rotating slope jack-up in the rotating disk, and pull-up sucker sheet middle part makes it to cause vacuum and can adsorb for a long time on the wall, and installing and using of it is very convenient, can not destroy wall again.The part but existing product comes with some shortcomings: at first, on boss, be provided with hoodle, be provided with groove on the top, slope, utilize hoodle and groove to do the location and make sucker can not cause coming off, make structure seem like this and show complicated slightly owing to rotating disk is turned round by the external force grazing; Secondly, mostly the hook of this vacuum chuck is that round bar bends and forms, the round bar head is directly filled in the circular hole at sucker sheet center, because the frictional force between round bar head and the circular hole is limited, so hook is always hanging up the object post deflection downwards, like this, just can not adapt to other usage mode that hook is kept flat or makes progress.

Summary of the invention

In order to overcome the shortcoming of existing product, the utility model provides a kind of vacuum chuck, and its is constructed fairly simple and has stronger bearing value.

The utility model comprises shell, undersetting and the sucker of box-like; It is characterized in that undersetting in the form of a ring, a plurality of plunger holes are arranged on it, the slideway on band slope more than two is arranged on the undersetting edge circumference; There is through hole at the shell center, and the boss corresponding with the slideway quantity of undersetting arranged on the outer casing inner wall circumference, each boss respectively with undersetting on each slideway directly contact; The sucker periphery has a plurality of plungers, and plunger embeds the plunger hole of undersetting, and there is an attachment post at the sucker center, and the part that attachment post passes the through hole of shell has the collar groove, has a collar to be stuck on the collar groove.

As a kind of improvement of the present utility model, it also has suspension member, and suspension member is connected with attachment post.

As another kind of improvement the of the present utility model, there is a block on the attachment post next door, two that a torsion spring arranged respectively with block and housing contacts, further, the elastic force of this torsion spring is always tried hard to that shell is moved up and is left undersetting.

The suspension member that the utility model is joined with other has replaced the sucker hook of fish hook shape, and suspension member can cooperate the style of supported material and grade to design various given configuration.It is compared existing product and has simplified design in addition, utilize the frictional force between boss and the slideway to position,---protruding ball or pit---the hoodle positioning means that pit need be set can also utilize the elastic force of additional torsion spring that sucker is always maintained under the state of holding.The utility model suits to install and use in occasions such as family, office, market and hotels.

Description of drawings

Fig. 1 is the utility model embodiment's a External view;

Fig. 2 is embodiment 1 a parts explosion (housing parts dissects);

Fig. 3 is the External view (housing parts dissects) that embodiment 1 shifts out shell;

Fig. 4 is embodiment 1 a releasing state unfolded drawing;

Fig. 5 is embodiment 1 the state that a holds unfolded drawing;

Fig. 6 is embodiment 2 a structural representation;

Fig. 7 is embodiment 3 a structural representation;

Fig. 8 is embodiment 4 a structural representation;

Fig. 9 is a targeting scheme of saving torsion spring 3 among all embodiments.

Embodiment

Below in conjunction with drawings and Examples the utility model is described in further detail.

Referring to Fig. 1 to Fig. 3, embodiment 1 undersetting 2 usefulness metals or plastics are made, and undersetting 2 is evenly distributed with 16 plunger holes 7 that are on the same circumference in the form of a ring on it; The identical slideway 5 of shape that three end-to-ends are arranged at undersetting 2 edges, every slideway 5 is formed by one section flat segments and one section slope smooth connection, in the flat segments of each slideway 5 positioning ditch 23 is arranged.

Shell 1 usefulness metal or plastics are made, and shell 1 is box-like, and shell 1 center is provided with a retraction cylindraceous portion 22, and the through hole 6 of a band flange is arranged on it; On the shell 1 inwall circumference three boss 8 are arranged; Each boss 8 respectively with shell 1 on corresponding slideway 5 positions corresponding, each boss 8 respectively with undersetting 2 on each slideway 5 directly contact, the inboard of boss 8 has guide plate 25 that boss 8 is stuck on the slideway 5 of undersetting 2 exactly; The end face that boss 8 contacts with slideway 5 is generally made plane or curved surface, also can make rough surface to the end face of boss 8; In the bottom of shell 1 seam 26 is arranged.

Sucker 4 usefulness flexible silicone rubber are made, and from sucker 4 center fixation a upwardly extending attachment post 9 are arranged, and this attachment post is to make of metal, and its afterbody is fixed on resilient sucker center; Circular or polygonal can be done in the cross section of attachment post 9, is circular in the present embodiment; Flexible sucker 4 peripheries have eight 11, eight plungers 11 of plunger that are distributed on the same circumference to embed among 16 plunger holes 7 of undersetting 2 eight respectively; It is air tight to be close to wall with the involutory edge that makes sucker 4 of the seam 26 of undersetting 2 when the edge of sucker 4 has a circular flange 27 to be used to install.Attachment post 9 heads pass the through hole 6 of shell 1; There is the block 10 of a rectangle on attachment post 9 next doors; There is a torsion spring 3 to be installed in around the attachment post 9, two of torsion spring 3 props up the draw-in groove 24 in block 10 and the shell 1 retraction portion 22 respectively, its installation direction makes the elastic force of torsion spring 3 always try hard to promote shell 1 and reverses clockwise, this torsional moment always tries hard to make shell 1 always to try hard to move up to leave undersetting 2, thereby make boss 8 slide to the flat segments of slideway 5, and rest on the chase 23 of flat segments.

Collar groove 14 is arranged on the attachment post 9, and collar groove 14 is positioned at the position that attachment post 9 stretches out through hole 6, and product when assembling is stuck in a collar 15 and makes shell 1 be combined in (referring to Fig. 6) on the undersetting 2 on the collar groove 14.

Referring to Fig. 4, when vacuum chuck is installed, sucker is fitted on the wall, at first firmly twists shell 1, the elastic force of opposing torsion spring makes shell 1 move right (being to rotate counterclockwise) in Fig. 2 and Fig. 3, the boss 8 that forces undersetting 2 moves to the top, slope from the flat segments of slideway 5, at this moment the distance of 2 of shell 1 and undersettings is less, and the sucker center portion is put down, and sucker and between the walls are removed vacuum, vacuum chuck is pressed to wall, extrude the air of sucker and between the walls.

Referring to Fig. 5, loosening shell 1 along the elastic force direction of torsion spring 3 makes be moved to the left (being to clockwise rotate) under the elastic force effect of shell 1 at torsion spring in Fig. 2 and Fig. 3, the boss 8 of undersetting 2 moves to flat segments from the slope of slideway 5, at this moment the distance of 2 of shell 1 and undersettings widens, sucker and between the walls form vacuum, vacuum chuck utilizes the torsion of torsion spring to maintain on this adsorbed state securely attached on the wall.

In other mode of executions of the present utility model, also torsion spring 3 can be set, only the flat segments at slideway 5 is provided with a positioning ditch 23, boss 8 just falls into positioning ditch 23(referring to Fig. 9 when moving to the flat segments of slideway 5); Even chase all saves, and only utilizes the frictional force between boss 8 and the slideway 5 just can satisfy the general positioning requirements of using of vacuum chuck, makes the structure of product simpler.

Can also dispose a suspension member 12 on embodiment 1 basis, suspension member 12 is connected with attachment post 9.Referring to Fig. 6, embodiment 2 attachment post 2 is prismatic, suspension member 12 is right-hand to be a supporting part, suspension member 12 lefts have one to penetrate into the via hole 17 of counterbore 13 with the suitable counterbore 13 of attachment post 9 shapes and along counterbore 13 axial directions, and the end of attachment post 9 has along the screw 16 of attachment post 9 axial directions; There is a Cock screw 18 to pass via hole 17 screw-in screws 16 suspension member 12 is pressed on firmly connection of formation on attachment post 9 end faces.This structure can make the shape of suspension member 12 that changeable selection is arranged, and adapts to the visual signature and the appearance style that is supported object of Environmental Conditions fully, and under special situation, suspension member 12 also can be designed as a part that is supported object.

Referring to Fig. 7, embodiment 3 attachment post 9 is cylindrical, counterbore 13 with the suitable tubular of attachment post 9 shapes is arranged on the suspension member 12, have an edge to penetrate into the screw 16 of counterbore 13 perpendicular to counterbore 13 axial directions on counterbore 13 walls, screw has a Cock screw 18 for 16 li; Cock screw 18 afterbody roof pressures are on attachment post 9 cylinders, and there is a depression 20 position of corresponding roof pressure screw on attachment post 2 cylinders; The locking standard that needs reach when being installed on the attachment post according to the suspension member of difformity purposes, depression 20 holes that can make a flat hole or make a wedged bottom; Depression 20 holes that can make a border seal, depression 20 also can penetrate into the end face of attachment post 9 always and form a groove, can satisfy multi-form processing technology requirement like this.

Referring to Fig. 8, embodiment 4 attachment post 9 is cylindrical, is shaped on outside thread 19 on attachment post 9, has on the suspension member 12 and the suitable screw-threaded counterbore 21 of attachment post 9 shapes, and attachment post 9 screws in the screw-threaded counterbore 21 of suspension member 12.

Except above-mentioned these demountable Placements, can make both form firm the connection with adhesive bond between suspension member 12 and the attachment post 9.

Claims

1. vacuum chuck comprises shell (1), undersetting (2) and the sucker (4) of box-like; It is characterized in that: described undersetting (2) has a plurality of plunger holes (7) in the form of a ring on it, and the slideway (5) on band slope more than two is arranged on undersetting (2) the edge circumference; There is through hole (6) at described shell (1) center, and the boss (8) corresponding with slideway (5) quantity of undersetting (2) arranged on shell (1) the inwall circumference, each boss (8) respectively with undersetting (2) on each slideway (5) directly contact; Described sucker (4) periphery has a plurality of plungers (11), plunger (11) embeds the plunger hole (7) of undersetting (2), there is an attachment post (9) at sucker (4) center, the part that attachment post (9) passes the through hole (6) of shell (1) has collar groove (14), has a collar (15) to be stuck on the collar groove (14).

2. according to the described vacuum chuck of claim 1, it is characterized in that: positioning ditch (23) is arranged on the described slideway (5).

3. according to the described vacuum chuck of claim 1, it is characterized in that: it also has suspension member (12), and described suspension member (12) is connected with attachment post (9).

4. according to the described vacuum chuck of claim 3, it is characterized in that: there is a block (10) on attachment post (9) next door, has two of a torsion spring (3) to contact with shell (1) with block (10) respectively.

5. according to the described vacuum chuck of claim 3, it is characterized in that: the elastic force of described torsion spring (3) always tries hard to make shell (1) to move up to leave undersetting (2).