CN217437435U

CN217437435U - Shaft end connection telescopic structure of chuck of air expanding shaft

Info

Publication number: CN217437435U
Application number: CN202221486229.7U
Authority: CN
Inventors: 高道德; 倪艳; 郁秋霞
Original assignee: Wuxi Yibo Machinery Technology Co ltd
Current assignee: Wuxi Yibo Machinery Technology Co ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-09-16
Anticipated expiration: 2032-06-15

Abstract

The utility model discloses a extending structure is connected to physiosis axle chuck axle head, including the chuck, install the physiosis axle body in the chuck, the tip of physiosis axle body is provided with built-in groove, and the sliding sleeve is equipped with the disc in the built-in inslot, is provided with the external screw thread on the disc, and built-in inslot is provided with the internal thread with the butt joint of external screw thread, and the inner wall end fixing embedding in built-in groove has the anticreep ring, is fixed with the telescopic shaft that runs through the anticreep ring on the disc, and it is protruding to be provided with the tooth on the telescopic shaft, tooth arch and anticreep ring sliding contact. The utility model discloses a telescopic shaft structure for the mounting panel has the space of a flexible adjustment when installing with the butt joint piece, satisfies the poor compensation demand of distance, through the butt joint of internal and external screw thread, can satisfy the flexible rotation adjustment of telescopic shaft, cooperation latch and the protruding meshing contact of tooth, thereby guarantee the position stability after the telescopic shaft adjustment.

Description

Shaft end connection telescopic structure of chuck of air expanding shaft

Technical Field

The utility model relates to an physiosis axle chuck technical field specifically is an physiosis axle chuck axle head connection extending structure.

Background

The inflatable shaft is a special winding and unwinding shaft, namely a shaft with a protruded surface after high-pressure inflation, and a shaft with a quickly retracted surface part after deflation is called the inflatable shaft.

According to an physiosis axle chuck mechanism of authorized notice No. CN201437483U, high-speed rotary motion of adaptation that can be better has avoided the physiosis axle can not fix a position completely, leads to serious jump nature when high-speed operation, and the limiting plate passes through steel ball spring lockpin, and the dual fixed assurance chuck moving security that can be better of limiting pressure plate. The physiosis axle chuck mechanism comprises guide key locating lever, guide key, physiosis axle, transmission end main shaft, briquetting, steel ball spring lockpin, chuck, limiting plate, spacing clamp plate, bearing frame. The method is characterized in that: circular positioning and square torque transmission are adopted; when the chuck leaves, the opening is always upward, so that the chuck cannot rotate; and a limiting plate structure is adopted.

After the inflatable shaft is installed on the chuck, because the inflatable shaft needs to be connected with other shaft rods or objects, if the fixed position of the chuck has a distance difference with a butt joint object, the end part of the inflatable shaft cannot be stably installed on the butt joint part.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a telescopic structure is connected to physiosis axle chuck axle head to solve the problem of the flexible adjustment of physiosis axle head.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a telescopic structure is connected to physiosis axle chuck axle head, includes the chuck, install the physiosis axle body in the chuck, the tip of physiosis axle body is provided with built-in groove, sliding sleeve is equipped with the disc in the built-in inslot, be provided with the external screw thread on the disc, built-in inslot is provided with the internal thread with the butt joint of external screw thread, the inner wall end fixing embedding in built-in groove has the anticreep ring, be fixed with the telescopic shaft that runs through the anticreep ring on the disc, it is protruding to be provided with the tooth on the telescopic shaft, protruding and anticreep ring sliding contact of tooth.

Preferably, a square sleeve is fixed on the outer wall of the inflatable shaft body, a square rod is sleeved in the square sleeve in a sliding mode, and the straight-up and straight-down movement of the latch is guaranteed through shape limitation.

Preferably, be fixed with the anticreep board on the square pole, avoid the condition that the slippage appears in square pole, simultaneously, can carry out manual power of impeing pulling operation.

Preferably, the square rod is wound with a spring, and two ends of the spring are fixedly connected with the anti-falling plate and the square sleeve respectively, so that the telescopic reset stability of the latch is ensured.

Preferably, the lower extreme of square pole is fixed with the latch, and the latch sets up with the protruding meshing of tooth, guarantees the flexible position stability of telescopic shaft.

Preferably, be fixed with the mounting panel on the telescopic shaft, be provided with the mounting hole on the mounting panel, accessible mounting hole cooperation bolt links up physiosis axle body and interfacing part steadily.

Preferably, the mounting hole divide into hole and outer hole, and the quantity of hole is twelve at least, and the quantity of outer hole is twenty four at least, and both evenly distributed set up, and porous setting satisfies in the installation with butt joint spare stably.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a telescopic shaft structure for the mounting panel when with the butt joint piece installation, has the space of a flexible adjustment, satisfies the poor compensation demand of distance.

2. The utility model discloses an interior external screw thread butt joint can satisfy the flexible adjustment of rotating of telescopic shaft, cooperation latch and the protruding meshing contact of tooth to guarantee the position stability after the telescopic shaft adjustment.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an enlarged schematic view of the utility model at a;

fig. 3 is a schematic view of the distribution of the mounting holes of the present invention.

In the figure: 1. a chuck; 11. an inflatable shaft body; 12. a built-in groove; 13. a disc; 14. an external thread; 15. an internal thread; 16. the anti-drop ring; 17. a telescopic shaft; 18. tooth protrusions; 2. a square sleeve; 21. a square rod; 22. an anti-drop plate; 23. a spring; 24. clamping teeth; 3. mounting a plate; 31. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example I

Referring to fig. 1, an end connection telescopic structure of an inflatable shaft chuck comprises a chuck 1, an inflatable shaft body 11 is installed in the chuck 1, an internal groove 12 is formed in the end portion of the inflatable shaft body 11, a disc 13 is sleeved in the internal groove 12 in a sliding mode, an external thread 14 is arranged on the disc 13, an internal thread 15 in threaded butt joint with the external thread 14 is arranged in the internal groove 12, an anti-falling ring 16 is fixedly embedded in the end portion of the inner wall of the internal groove 12, an extensible shaft 17 penetrating through the anti-falling ring 16 is fixed on the disc 13, a tooth protrusion 18 is arranged on the extensible shaft 17, and the tooth protrusion 18 is in sliding contact with the anti-falling ring 16.

Referring to fig. 1 and 2, a square sleeve 2 is fixed on the outer wall of the inflatable shaft body 11, a square rod 21 is slidably sleeved in the square sleeve 2, and the latch 24 is guaranteed to move vertically through shape limitation.

Referring to fig. 1 and 2, the anti-slip plate 22 is fixed on the square rod 21 to prevent the square rod 21 from slipping off, and meanwhile, the square rod 21 can be manually pulled.

Referring to fig. 1 and 2, a spring 23 is wound on the square rod 21, and two ends of the spring 23 are respectively and fixedly connected with the anti-falling plate 22 and the square sleeve 2, so as to ensure the stable extension and retraction of the latch 24.

Referring to fig. 1 and 2, a latch 24 is fixed at the lower end of the square rod 21, and the latch 24 is engaged with the tooth protrusion 18 to ensure the stable extension position of the extension shaft 17.

This embodiment is used: through the telescopic adjustment of the telescopic shaft 17 on the basis of the inflatable shaft body 11, after the telescopic shaft is matched with the chuck 1, extra distance compensation can be carried out under the condition that the distance difference exists between the telescopic shaft and the butting piece.

Example II

Referring to fig. 1, in this embodiment, as further described in embodiment 1, an end connection telescopic structure of an air-expanding shaft chuck includes a chuck 1, an air-expanding shaft body 11 is installed in the chuck 1, an internal groove 12 is formed at an end of the air-expanding shaft body 11, a disk 13 is slidably sleeved in the internal groove 12, an external thread 14 is formed on the disk 13, an internal thread 15 in threaded butt joint with the external thread 14 is formed in the internal groove 12, an anti-slip ring 16 is fixedly embedded in an end portion of an inner wall of the internal groove 12, a telescopic shaft 17 penetrating through the anti-slip ring 16 is fixed on the disk 13, a tooth protrusion 18 is formed on the telescopic shaft 17, and the tooth protrusion 18 is in sliding contact with the anti-slip ring 16.

Referring to fig. 1 and 3, the telescopic shaft 17 is fixed with a mounting plate 3, the mounting plate 3 is provided with a mounting hole 31, and the mounting hole 31 is matched with a bolt to stably connect the inflatable shaft body 11 with the butt-joint piece.

Referring to fig. 1 and 3, the mounting holes 31 are divided into at least twelve inner holes and at least twenty four outer holes, and the inner holes and the outer holes are uniformly distributed and arranged in a multi-hole manner, so that the mounting stability of the butting member is satisfied.

This embodiment is used: the distribution of the mounting holes 31 can meet the assembly butt joint of single or multiple bolts, and the inner walls of the mounting holes 31 are threaded surfaces.

Example III

Referring to fig. 1, in this embodiment, as further described with respect to other embodiments, an expansion shaft chuck shaft end connection telescopic structure includes a chuck 1, an expansion shaft body 11 is installed in the chuck 1, an internal groove 12 is formed at an end portion of the expansion shaft body 11, a disk 13 is slidably sleeved in the internal groove 12, an external thread 14 is formed on the disk 13, an internal thread 15 in threaded butt joint with the external thread 14 is formed in the internal groove 12, a slip-off preventing ring 16 is fixedly embedded in an end portion of an inner wall of the internal groove 12, a telescopic shaft 17 penetrating through the slip-off preventing ring 16 is fixed on the disk 13, a tooth protrusion 18 is formed on the telescopic shaft 17, and the tooth protrusion 18 is in sliding contact with the slip-off preventing ring 16.

Referring to fig. 1 and 2, the anti-slip plate 22 is fixed on the square rod 21 to prevent the square rod 21 from slipping off, and meanwhile, the manual pulling operation can be performed.

This embodiment is used: when needs are to carry out flexible adjustment to telescopic shaft 17 and physiosis axle body 11, pulling anticreep board 22 for latch 24 separates with the protruding 18 position of current tooth, through rotating telescopic shaft 17, makes the mutual screw thread setting of external screw thread 14 and internal thread 15 on the disc 13, then makes telescopic shaft 17 can drive mounting panel 3 and carry out flexible adjustment.

The anti-drop plate 22 is loosened, the latch 24 is re-engaged with the tooth protrusion 18 through the reset effect of the spring 23, so that the position of the telescopic shaft 17 after adjustment is stabilized, and the telescopic shaft can be fixed with the butt-joint part through the bolt through the mounting hole 31.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an expanding shaft chuck axle head connection extending structure, includes chuck (1), its characterized in that: install physiosis axle body (11) in chuck (1), the tip of physiosis axle body (11) is provided with built-in groove (12), the sliding sleeve is equipped with disc (13) in built-in groove (12), be provided with external screw thread (14) on disc (13), be provided with internal thread (15) with external screw thread (14) screw thread butt joint in built-in groove (12), the inner wall end fixing embedding of built-in groove (12) has anticreep ring (16), be fixed with telescopic shaft (17) that run through anticreep ring (16) on disc (13), be provided with protruding (18) of tooth on telescopic shaft (17), protruding (18) of tooth and anticreep ring (16) sliding contact.

2. The expansion shaft chuck shaft end connection telescopic structure of claim 1, which is characterized in that: the inflatable shaft is characterized in that a square sleeve (2) is fixed on the outer wall of the inflatable shaft body (11), and a square rod (21) is sleeved in the square sleeve (2) in a sliding mode.

3. The end connection telescopic structure of the chuck shaft of the air expanding shaft as claimed in claim 2, wherein: an anti-drop plate (22) is fixed on the square rod (21).

4. The end connection telescopic structure of the chuck shaft of the air expanding shaft as claimed in claim 3, wherein: the square rod (21) is wound with a spring (23), and two ends of the spring (23) are fixedly connected with the anti-falling plate (22) and the square sleeve (2) respectively.

5. The end connection telescopic structure of the chuck shaft of the air expanding shaft as claimed in claim 4, wherein: the lower end of the square rod (21) is fixed with a latch (24), and the latch (24) is meshed with the tooth protrusion (18).

6. The end connection telescopic structure of the chuck shaft of the air expanding shaft as claimed in claim 1, wherein: the telescopic shaft (17) is fixedly provided with a mounting plate (3), and the mounting plate (3) is provided with a mounting hole (31).

7. The end connection telescopic structure of the chuck shaft of the air expanding shaft as claimed in claim 6, wherein: the mounting hole (31) is divided into an inner hole and an outer hole, the number of the inner hole is at least twelve, the number of the outer hole is at least twenty-four, and the inner hole and the outer hole are uniformly distributed.