CN220600222U

CN220600222U - Vacuum chuck

Info

Publication number: CN220600222U
Application number: CN202322265086.8U
Authority: CN
Inventors: 王龙敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-22
Filing date: 2023-08-22
Publication date: 2024-03-15
Anticipated expiration: 2033-08-22

Abstract

The utility model relates to a vacuum chuck, which comprises a spiral cover, a gland and a chuck body, wherein a connecting column which is perpendicular to the upper surface of the chuck body and extends upwards is arranged in the center of the chuck body, a rotating column which is perpendicular to the upper surface of the gland and extends upwards is arranged in the center of the gland, a central through hole is arranged in the center of the rotating column, a guide sliding block is arranged on the outer peripheral surface of the rotating column, a spiral sliding groove is arranged on the inner peripheral wall of the spiral cover, a locking piece is arranged in the spiral cover, the gland is arranged on the upper surface of the chuck body, the connecting column on the chuck body penetrates through the central through hole and is connected with the locking piece, and when the guide sliding block is matched with the spiral sliding groove, the guide sliding block can slide in the spiral sliding groove along the track direction of the guide sliding block and drives the connecting column to be far away from/close to an adsorption surface. The vacuum sucker can enable the sucker to be stably adsorbed on a wall body when the rotary cover is rotated, so that the sucker has a better adsorption effect.

Description

Vacuum chuck

Technical Field

The utility model relates to the technical field of daily necessities, in particular to a vacuum chuck.

Background

The vacuum sucker can utilize negative pressure to enable the sucker body to be adsorbed on smooth planes such as glass and ceramic tiles and be used for hanging articles, is simple and convenient, is easy to detach and can not damage adsorbates such as glass and ceramic tiles, so that the vacuum sucker is extremely wide in application in daily life and work.

A novel rotary vacuum chuck as disclosed in publication number CN 218992103U, comprising: the inner side surface of the spiral cover is provided with a positioning piece and a locking piece, and the locking piece is provided with a first middle hole and a fastener; the middle cover is provided with a second middle hole penetrating through the outer surface and the inner surface, and a positioning groove is formed in the outer surface of the middle cover; the spiral cover is arranged on the outer surface of the middle cover, the locking piece penetrates through the second middle hole, and the positioning piece corresponds to the positioning groove; the chassis is elastic, the chassis internal surface is equipped with the spliced pole, the spliced pole outer peripheral face is equipped with the helicla flute, just the helicla flute spirals along spliced pole length direction. The vacuum chuck is rotationally matched with the spiral groove on the connecting column through the fastener on the spiral cover, and the chassis is adsorbed on the wall surface or the ceramic tile, however, the vacuum chuck adopting the structural design is unstable when the spiral cover is rotated, the chassis is rocked due to uneven stress of the connecting column, and the air leakage phenomenon is caused between the chassis and the wall body, so that the adsorption effect of the chuck is reduced, and articles fall.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the vacuum sucker with stable suction and good suction effect.

The aim of the utility model is realized by the following technical scheme:

the utility model provides a vacuum chuck, includes spiral cover, gland and sucking disc body, the center of sucking disc body is provided with the perpendicular to sucking disc body upper surface and upwards extends the spliced pole, the center of gland is provided with the perpendicular to gland upper surface and upwards extends the column spinner, the center of column spinner is provided with the center perforation, be provided with on the outer peripheral face of column spinner and lead the slider, be provided with the heliciform spout on the inner peripheral wall of spiral cover, be provided with the locking piece in the spiral cover, the gland lid is located the upper surface of sucking disc body, the spliced pole on the sucking disc body wears to locate the center perforation and with the locking piece is connected, lead the slider with when the heliciform spout is mutually supporting, it can be followed its orbit direction in the heliciform spout and is slided and drive the spliced pole is kept away from/is close to the adsorption face.

Further, a plurality of guide blocks are arranged, and the plurality of guide blocks are spirally and alternately arranged on the outer peripheral surface of the rotating column along the spiral line direction.

Further, the upper end peripheral wall surface of spliced pole is provided with round annular protruding muscle, the hollow setting in middle part of locking piece just is provided with on the inside wall of locking piece can with annular protruding muscle forms the hasp portion of lock joint.

Further, a hanging hook is arranged on the gland.

Further, the object hanging hook comprises a hook part and a hook part connecting arm, one end of the hook part connecting arm and the gland are of an integrated structure, and the hook part is detachably fastened at the other end of the hook part connecting arm.

Further, the upper surface of the sucker body is provided with an annular bulge, the gland and the surface of the sucker body, which is attached, are provided with a first annular groove for the annular bulge to be embedded, a first limit bump is arranged on the inner side wall of the annular bulge, and a first limit groove which can form a limit structure with the first limit bump is arranged on the side wall of the first annular groove.

Further, a second annular groove is formed in the gland and close to the surface of the spiral cover, the lower edge cover of the gland is arranged in the second annular groove, a second limit projection is arranged on the groove wall of the second annular groove, and a second limit groove capable of forming a limit structure with the second limit projection is formed in the spiral cover.

Further, a clamping groove is formed in the hook portion, a clamping block clamped with the clamping groove is arranged on the hook portion connecting arm, a limiting groove is further formed in the hook portion, and a limiting block capable of limiting the limiting groove is further arranged on the hook portion connecting arm.

Further, a demolding hole communicated with the middle part of the locking piece is formed in the spiral cover, and a sealing cover is embedded in the demolding hole.

Further, a plurality of anti-skid grooves are arranged on the peripheral surface of the spiral cover at intervals.

Compared with the prior art, the utility model has the following beneficial effects:

according to the vacuum chuck, the rotating column is arranged on the gland, the plurality of guide sliding blocks are spirally arranged on the peripheral surface of the rotating column along the spiral line direction at intervals, the plurality of guide sliding blocks are matched with the spiral sliding grooves on the rotating cap, so that the connecting column connected with the rotating cap can stably ascend, the condition of shaking or air leakage of the chuck body in the adsorption process can not occur, and the vacuum chuck has a better adsorption effect.

Drawings

Fig. 1 is a schematic perspective view of a vacuum chuck according to the present utility model.

Figure 2 is a schematic view of a longitudinal cross-sectional structure of a vacuum chuck according to the present utility model.

Figure 3 is a schematic cross-sectional structural view of a vacuum chuck of the present utility model.

Fig. 4 is a schematic view showing an exploded structure of a vacuum chuck according to the present utility model.

Fig. 5 is a schematic diagram showing an exploded structure of a vacuum chuck according to the present utility model.

Detailed Description

The utility model is described in further detail below with reference to examples given in the accompanying drawings.

As shown in fig. 1 to 5, the vacuum chuck provided in this embodiment includes a screw cap 1, a press cap 2 and a chuck body 3, wherein a connecting column 31 extending upward and perpendicular to the upper surface of the chuck body 3 is provided at the center of the chuck body 3. Specifically, the sucker body 3 is a disc-shaped structure made of soft rubber, the sucker body 3 is used for being adsorbed on a plane, vacuum negative pressure is formed after air between the sucker body 3 and the adsorption plane is discharged, and the sucker body 3 is pressed on the adsorption plane by utilizing atmospheric pressure. The center of the gland 2 is provided with a rotating column 21 which is perpendicular to the upper surface of the gland 2 and extends upwards, the center of the rotating column 21 is provided with a center through hole 22, and the outer circumferential surface of the rotating column 21 is provided with a guide slide block 23. A spiral chute 11 is arranged on the inner peripheral wall of the screw cap 1, and a locking piece 12 is arranged in the screw cap 1. The gland 2 is covered on the upper surface of the sucker body 3, and the connecting column 31 on the sucker body 3 is penetrated through the central perforation 22 and connected with the locking piece 12. When the guide slide block 23 is matched with the spiral chute 11, the guide slide block 23 can slide in the spiral chute 11 along the track direction and drive the connecting column 31 to be far away from/close to the adsorption surface.

As described above, the plurality of guide blocks 23 are provided, and the plurality of guide blocks are spirally wound around the outer peripheral surface of the rotary column 21 at intervals. Such a structural design enables stable rotation of the spin cover 1 and enables smooth separation/approaching of the connection post 31 from the adsorption surface.

As described above, the upper end peripheral wall surface of the connection post 31 is provided with a ring-shaped bead 32, the middle portion of the locking piece 12 is provided hollow and the inside wall of the locking piece 12 is provided with the snap part 13 which can be snapped with the ring-shaped bead 32. Specifically, when the annular ribs 32 are matched with the hasp parts 13, the sucker body 3 can be effectively prevented from falling off.

As described above, the cover 2 is provided with the hook 24, and in use, an object can be hung by the hook 24. The hook 24 includes a hook portion 241 and a hook portion connecting arm 242, one end of the hook portion connecting arm 242 and the gland 2 are integrally formed, and the hook portion 241 is detachably fastened to the other end of the hook portion connecting arm 242.

As described above, the annular protrusion 33 is provided on the upper surface of the sucker body 3, the first annular groove 25 into which the annular protrusion 33 is embedded is provided on the surface of the gland 2 attached to the sucker body 3, the first limit bump 34 is provided on the inner sidewall of the annular protrusion 33, and the first limit groove 26 capable of forming a limit structure with the first limit bump 34 is provided on the sidewall of the first annular groove 25. Specifically, the cooperation of the first limiting protruding block 34 and the first annular groove 25 can prevent the sucker body 3 from rotating to affect use during use.

As described above, the surface of the gland 2, which is close to the screw cap 1, is provided with the second annular groove 27, the lower edge of the gland 2 is covered in the second annular groove 27, the groove wall of the second annular groove 27 is provided with the second limit bump 28, and the screw cap 1 is provided with the second limit groove 14 which can form a limit structure with the second limit bump 28. Specifically, after the screw cap 1 rotates in place, the second limiting bump 28 cooperates with the second limiting groove 14 to prevent the screw cap 1 from reversely rotating.

As described above, the hook 241 is provided with the slot 243, the hook connecting arm 242 is provided with the fixture 244 engaged with the slot 243, the hook 241 is further provided with the limit slot 245, and the hook connecting arm 242 is further provided with the limit block 246 which can limit with the limit slot 245. Specifically, the hook 241 is inserted into the clamping block 244 of the hook connecting arm 242 through the clamping groove 243, and then the hook 241 is locked on the hook connecting arm 242 through the limit fit of the limit block 246 and the limit groove 245.

As described above, the screw cap 1 is provided with the release hole 15 communicating with the middle part of the locking member 12, and the cover 16 is embedded in the release hole 15. The structural design of the demolding hole enables the spiral cover 1 to be more convenient to demolding in production and manufacture.

As described above, the plurality of anti-slip grooves 17 are provided at intervals on the outer circumferential surface of the spin cover 1.

In summary, when the cap 1 is mounted on the cap 2, the lower edge of the cap 1 is embedded in the second annular groove 27. When the screw cap 1 is turned clockwise, the plurality of guide blocks slide in the spiral chute 11, and the connecting column 31 is far away from the adsorption surface so as to adsorb the sucker body 3 on the wall surface, and at this time, the lower edge of the screw cap 1 is gradually far away from the bottom wall of the second annular groove 27. When the screw cap 1 is twisted anticlockwise, the plurality of guide blocks slide in the spiral chute 11, and the connecting column 31 is close to the adsorption surface, so that the suction cup body 3 is extruded and deflated, and the suction cup body is separated from the wall, and at the moment, the lower edge of the screw cap 1 is gradually close to the bottom wall of the second annular groove 27.

The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, i.e., the utility model is not limited to the specific embodiments described herein, but is to be accorded the full scope of the claims.

Claims

1. The utility model provides a vacuum chuck, includes spiral cover, gland and sucking disc body, its characterized in that: the center of the sucker body is provided with a connecting column perpendicular to the upper surface of the sucker body and extending upwards, the center of the gland is provided with a rotating column perpendicular to the upper surface of the gland and extending upwards, the center of the rotating column is provided with a center perforation, the outer peripheral surface of the rotating column is provided with a guide block, the inner peripheral wall of the rotating cap is provided with a spiral chute, a locking piece is arranged in the rotating cap, the gland covers the upper surface of the sucker body, the connecting column on the sucker body penetrates through the center perforation and is connected with the locking piece, and when the guide block and the spiral chute are mutually matched, the guide block can slide in the spiral chute along the track direction of the guide block and drive the connecting column to be far away from/close to the adsorption surface.

2. A vacuum chuck as in claim 1, wherein: the guide sliding blocks are arranged in a plurality, and the guide sliding blocks are spirally and alternately arranged on the outer peripheral surface of the rotating column along the spiral line direction.

3. A vacuum chuck as in claim 2, wherein: the upper end peripheral wall surface of spliced pole is provided with round annular protruding muscle, the hollow setting in middle part of locking piece just is provided with on the inside wall of locking piece can with annular protruding muscle forms the hasp portion of lock joint.

4. A vacuum chuck according to claim 1 or 2 or 3, wherein: the gland is provided with a hanging hook.

5. A vacuum chuck as in claim 4, wherein: the object hanging hook comprises a hook part and a hook part connecting arm, one end of the hook part connecting arm and the gland are of an integrated structure, and the hook part is detachably fastened at the other end of the hook part connecting arm.

6. A vacuum chuck according to claim 1 or 2 or 3, wherein: the upper surface of the sucker body is provided with an annular bulge, the gland and the surface of the sucker body, which is attached, are provided with a first annular groove which can be used for the annular bulge to be embedded, a first limit bump is arranged on the inner side wall of the annular bulge, and a first limit groove which can form a limit structure with the first limit bump is arranged on the side wall of the first annular groove.

7. A vacuum chuck as in claim 6, wherein: the screw cap is characterized in that a second annular groove is formed in the surface, close to the screw cap, of the screw cap, the lower edge of the screw cap is covered in the second annular groove, a second limit projection is arranged on the groove wall of the second annular groove, and a second limit groove capable of forming a limit structure with the second limit projection is formed in the screw cap.

8. A vacuum chuck as in claim 5, wherein: the hook part is provided with a clamping groove, the hook part connecting arm is provided with a clamping block clamped with the clamping groove, the hook part is also provided with a limiting groove, and the hook part connecting arm is also provided with a limiting block which can be limited by the limiting groove.

9. A vacuum chuck according to claim 3, wherein: the rotary cover is provided with a demoulding hole communicated with the middle part of the locking piece, and a sealing cover is embedded in the demoulding hole.

10. A vacuum chuck as in claim 1, wherein: a plurality of anti-skid grooves are arranged on the peripheral surface of the spiral cover at intervals.