CN216883526U

CN216883526U - Internal expanding type locking structure

Info

Publication number: CN216883526U
Application number: CN202220176100.XU
Authority: CN
Inventors: 梁小龙; 文玄武; 刘祥华
Original assignee: Suqiangge Hydraulic Hubei Co ltd
Current assignee: Suqiangge Hydraulic Hubei Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-07-05
Anticipated expiration: 2032-01-21

Abstract

The utility model discloses an internal expansion type locking structure which comprises a cylinder, wherein a first connector is fixedly arranged at the right end of the cylinder, the first connector is fixedly connected with the left end of a first air bag, the right end of the first air bag is fixedly connected with the left end of a second connector, a sealing disc is fixedly arranged at the right end of the second connector, a bearing is arranged on the right side surface of the sealing disc, the bearing is fixedly connected with the sealing disc, the bearing is sleeved at the left end of a screw rod, a guide pipe is sleeved on the screw rod and in threaded fit with the screw rod, the guide pipe penetrates through and is fixedly arranged on an installation plate, and the installation plate is fixedly connected with the first connector through a plurality of supports. The nut to be processed is sleeved on the rubber sleeve, then the screw rod is rotated, the second joint extrudes the first air bag, the second air bag is driven to inflate and expand, the rubber sleeve is expanded to prop against the nut tightly, and therefore the nut is fixed.

Description

Internal expanding type locking structure

Technical Field

The utility model relates to the field of locking structures, in particular to an internal expansion type locking structure.

Background

A nut is a nut, a component which is screwed together with a bolt or a screw to perform a fastening function, and all elements which are necessary for manufacturing machines. According to different materials, the materials are classified into carbon steel, stainless steel, non-ferrous metals (such as copper) and the like.

At present, when processing the nut surface, need fix the nut, because the nut model size is different, often need a model to correspond a fixing device, greatly increased the cost, need make the improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an internal expansion type locking structure to solve the technical problem.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides an interior expanding locking structure, includes the drum, the drum right-hand member has set firmly first joint, first joint and first gasbag left end rigid coupling, first gasbag right-hand member and second connect left end rigid coupling, the second connects the right-hand member to have set firmly sealed dish, sealed dish right flank is provided with the bearing, bearing and sealed dish rigid coupling, the bearing housing is established at the screw rod left end, the cover is equipped with the stand pipe on the screw rod, stand pipe and screw rod screw-thread fit, the stand pipe runs through and sets firmly on the mounting panel, the mounting panel passes through a plurality of supports and first joint rigid coupling, the drum left end is equipped with out the gas head admittedly, fixed cover is equipped with the second gasbag on the gas head, a plurality of ventholes have been seted up to the gas head side, venthole and second gasbag intercommunication.

Preferably, the outer side of the second air bag is sleeved with a rubber sleeve, and the rubber sleeve is fixedly connected with the second air bag.

Preferably, the cover is equipped with solid fixed ring on the drum, gu fixed ring bottom and support bottom all set firmly the linking bridge, linking bridge bottom and last backup pad rigid coupling.

Preferably, a rotating cylinder is fixedly arranged at the center of the bottom of the upper supporting plate, a supporting column is arranged in the rotating cylinder, and the bottom of the supporting column is fixedly connected with the lower supporting plate.

Preferably, the left side and the right side of the rotary drum are both provided with connecting plates, and the connecting plates are fixedly connected with the rotary drum.

Preferably, a plurality of threaded holes are formed in the side face of the support column along the circumferential direction of the support column, a fixing screw is connected to the connecting plate in a threaded mode, and the fixing screw is in threaded fit with the threaded holes.

Preferably, the support column is rotatably connected to the drum.

The utility model has the beneficial effects that:

1. the nut to be processed is sleeved on the rubber sleeve, then the screw rod is rotated, the second joint extrudes the first air bag, the second air bag is driven to inflate and expand, the rubber sleeve is expanded to prop against the nut tightly, and therefore the nut is fixed.

2. Through rotating the upper supporting plate, the angle of the nut can be adjusted, and subsequent processing is facilitated.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of portion B of FIG. 1 according to the present invention;

reference numerals: 1. a fixing ring; 2. a cylinder; 3. a first joint; 4. a first air bag; 5. a second joint; 6. a bearing; 7. mounting a plate; 8. a screw; 10. a guide tube; 11. connecting a bracket; 12. a lower support plate; 13. an upper support plate; 14. an air outlet head; 15. a second air bag; 16. a rubber sleeve; 17. an air outlet; 18. a rotating drum; 19. a connecting plate; 20. fixing the screw rod; 21. a threaded hole; 22. a support pillar; 23. sealing the disc; 24. and (4) a bracket.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood, the utility model is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the utility model, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention are described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-3, an internal expanding locking structure comprises a cylinder 2, a first connector 3 is fixedly arranged at the right end of the cylinder 2, the first connector 3 is fixedly connected with the left end of a first air bag 4, the right end of the first air bag 4 is fixedly connected with the left end of a second connector 5, a sealing disc 23 is fixedly arranged at the right end of the second connector 5, a bearing 6 is arranged on the right side surface of the sealing disc 23, the bearing 6 is fixedly connected with the sealing disc 23, the bearing 6 is sleeved at the left end of a screw 8, a guide pipe 10 is sleeved on the screw 8, the guide pipe 10 is in threaded fit with the screw 8, the guide pipe 10 is fixedly arranged on a mounting plate 7 in a penetrating manner, the mounting plate 7 is fixedly connected with the first connector 3 through a plurality of brackets 24, an air outlet head 14 is fixedly arranged at the left end of the cylinder 2, a second air bag 15 is fixedly sleeved on the air outlet head 14, a plurality of air outlet holes 17 are arranged on the side surface of the air outlet head 14, the air outlet holes 17 are communicated with the second air bag 15, a rubber sleeve 16 is sleeved on the outer side surface of the second air bag 15,

rubber sleeve

16 and 15 rigid couplings of second gasbag, the cover is equipped with solid fixed ring 1 on drum 2, gu fixed ring 1 bottom and support 24 bottom all have set firmly linking bridge 11, linking bridge 11 bottom and last backup pad 13 rigid coupling, go up backup pad 13 bottom central authorities and have set firmly rotary drum 18, be provided with support column 22 in the rotary drum 18, support column 22 rotates with rotary drum 18 to be connected, support column 22 bottom and bottom suspension fagging 12 rigid coupling, the rotary drum 18 left and right sides all is provided with connecting plate 19, connecting plate 19 and rotary drum 18 rigid coupling, a plurality of screw holes 21 have been seted up along support column 22 circumference to support column 22 side, threaded connection has clamping screw 20 on the connecting plate 19, clamping screw 20 and screw hole 21 screw-thread fit.

The working principle is as follows: according to the inner diameter of the nut to be processed, the screw 8 is rotated to enable the screw 8 to drive the second connector 5 to compress the first air bag 4, a part of air in the cylinder 2 is extruded into the second air bag 15 through the air outlet 17, the second air bag 15 is expanded to drive the rubber sleeve 16 to expand in diameter until the inner diameter of the nut is larger, then the rubber sleeve 16 is inserted into the nut, the screw 8 is rotated again to enable the second air bag 15 to expand to drive the rubber sleeve 16 to continue to expand to tightly push the nut to fix the nut, then the nut is processed, after the processing is completed, the screw 8 is rotated reversely to enable the second air bag 15 to be loosened, the nut is not pushed tightly by the rubber sleeve 16, and the nut is taken down. Through rotating upper support plate 13, can adjust nut's angle, through being connected set screw 20 and screw hole 21, can be with upper support plate 13 fixed in position to with nut fixed in position.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An internal expanding locking structure, includes drum (2), its characterized in that: drum (2) right-hand member has set firmly first joint (3), first joint (3) and first gasbag (4) left end rigid coupling, first gasbag (4) right-hand member and second joint (5) left end rigid coupling, second joint (5) right-hand member has set firmly sealed dish (23), sealed dish (23) right flank is provided with bearing (6), bearing (6) and sealed dish (23) rigid coupling, bearing (6) cover is established at screw rod (8) left end, the cover is equipped with stand pipe (10) on screw rod (8), stand pipe (10) and screw rod (8) screw-thread fit, stand pipe (10) run through and set firmly on mounting panel (7), mounting panel (7) are through a plurality of supports (24) and first joint (3) rigid coupling, drum (2) left end rigid coupling is equipped with gas outlet head (14), gas outlet head (14) are gone up fixed cover and are equipped with second gasbag (15), a plurality of air outlet holes (17) are formed in the side face of the air outlet head (14), and the air outlet holes (17) are communicated with the second air bag (15).

2. An internal expanding locking arrangement as claimed in claim 1, wherein: the outer side of the second air bag (15) is sleeved with a rubber sleeve (16), and the rubber sleeve (16) is fixedly connected with the second air bag (15).

3. An internal expanding locking arrangement as claimed in claim 1, wherein: the cover is equipped with solid fixed ring (1) on drum (2), gu fixed ring (1) bottom and support (24) bottom all set firmly linking bridge (11), linking bridge (11) bottom and last backup pad (13) rigid coupling.

4. An internal expanding locking arrangement as claimed in claim 3, wherein: the center of the bottom of the upper supporting plate (13) is fixedly provided with a rotary drum (18), a supporting column (22) is arranged in the rotary drum (18), and the bottom of the supporting column (22) is fixedly connected with the lower supporting plate (12).

5. An internal expanding locking arrangement as claimed in claim 4, wherein: the left side and the right side of the rotary drum (18) are both provided with connecting plates (19), and the connecting plates (19) are fixedly connected with the rotary drum (18).

6. An internal expanding locking arrangement as claimed in claim 5, wherein: a plurality of threaded holes (21) are formed in the side face of the supporting column (22) along the circumferential direction of the supporting column (22), a fixing screw rod (20) is connected to the connecting plate (19) in a threaded mode, and the fixing screw rod (20) is in threaded fit with the threaded holes (21).

7. An internal expanding locking arrangement as claimed in claim 5, wherein: the supporting column (22) is rotatably connected with the rotary drum (18).