CN216199466U

CN216199466U - Floating joint mounting structure with anti-loosening function

Info

Publication number: CN216199466U
Application number: CN202122705975.2U
Authority: CN
Inventors: 祝强; 冯涣婷; 曹威
Original assignee: Wuxi Nayisi Environmental Protection Technology Co ltd
Current assignee: Wuxi Nayisi Environmental Protection Technology Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-04-05
Anticipated expiration: 2031-11-05

Abstract

The utility model relates to a floating joint mounting structure with a locking function, which comprises a cylinder and a moving shaft, wherein a floating joint is arranged between a piston rod of the cylinder and the moving shaft, and the structure of the floating joint is as follows: the floating joint comprises a floating joint body, wherein one end of the floating joint body is provided with a connecting shaft, a shaft head end is arranged on the connecting shaft, and the other end of the floating joint body is provided with a joint end; a flange is installed in the cooperation of spindle nose end department, a flange is connected with the removal axle through a bolt, No. two flanges are installed in the cooperation of joint end department, and No. three flanges are installed in the head cooperation of piston rod, lock through No. two bolts between No. two flanges and No. three flanges. Through the design of a plurality of flanges, the reliability of assembly can be guaranteed, certain locking function is achieved, and potential safety hazards are greatly reduced.

Description

Floating joint mounting structure with anti-loosening function

Technical Field

The utility model relates to the technical field of floating joint mounting structures, in particular to a floating joint mounting structure with an anti-loosening function.

Background

In the mechanical industry, a cylinder is a driving element which is commonly used, when the cylinder and a moved object are installed, in order to avoid that installation errors cause scratches on the inner wall of the cylinder and influence the performance and the service life of the cylinder, a floating joint is often connected between the cylinder and the moved object, so that the requirement on installation accuracy is reduced.

In the prior art, the floating joint and the cylinder are connected directly by screw thread and are fastened by nuts to prevent looseness, and the floating joint and the moved object are connected in the same way. The mode is simple and convenient, the cost is low, but due to the frequent reciprocating movement of the cylinder, the loosening condition of the nut of the floating joint often appears, even the phenomenon that the connecting shaft head of the floating joint falls off appears, certain potential safety hazards are brought to equipment and machinery, light people damage the machine, and serious people have personal casualties.

SUMMERY OF THE UTILITY MODEL

The applicant provides a floating joint mounting structure with anti-loosening function aiming at the defects in the prior art, so that the reliability of assembly can be ensured through the design of a plurality of flanges, certain anti-loosening function is achieved, and potential safety hazards are greatly reduced.

The technical scheme adopted by the utility model is as follows:

the utility model provides a joint mounting structure floats with locking function, includes cylinder and removal axle, be provided with the joint of floating between the piston rod of cylinder and the removal axle, the structure that floats the joint is: the floating joint comprises a floating joint body, wherein one end of the floating joint body is provided with a connecting shaft, a shaft head end is arranged on the connecting shaft, and the other end of the floating joint body is provided with a joint end; a flange is installed in the cooperation of spindle nose end department, a flange is connected with the removal axle through a bolt, No. two flanges are installed in the cooperation of joint end department, and No. three flanges are installed in the head cooperation of piston rod, lock through No. two bolts between No. two flanges and No. three flanges.

As a further improvement of the above technical solution:

the moving shaft is of an integrated structure.

One end of the moving shaft is connected with a driven object, the other end of the moving shaft is provided with a moving shaft connecting sheet of a circular sheet, a plurality of bolt holes for mounting a first bolt are arranged in the circumferential direction of the moving shaft connecting sheet, and a threaded hole for mounting a floating joint is formed in the center of the moving shaft connecting sheet.

The first flange and the second flange are identical in structure and are arranged oppositely.

The structure of the first flange is as follows: including a flange body, a flange body side is the plane, and another side middle part is provided with a flange arch to hexagonal hole in setting up in the bellied middle part of flange, the circumferencial direction of a flange body is provided with a plurality of flange connecting holes.

The structure of the third flange is as follows: including No. three flange bodies, a side of No. three flange bodies is the plane, and another side middle part is provided with No. three flange archs to four corner holes in the bellied middle part of No. three flange is provided with a plurality of No. three flange connecting holes.

And four corners of the inner quadrangular hole are provided with circular arcs.

The utility model has the following beneficial effects:

the floating joint has the advantages that the structure is compact and reasonable, the operation is convenient, aiming at the problem of looseness and even falling-off of the shaft head when the floating joint is in threaded connection, the first flange is additionally arranged at the shaft head end of the floating joint, the inner hexagonal hole of the first flange is sleeved on the outer hexagonal shaft of the shaft head of the floating joint, and the first flange connecting hole and the movable shaft bolt hole are fixed by bolts, so that the relative looseness of the connecting threads between the shaft head end of the floating joint and the movable shaft can be avoided under the condition of not influencing the functions of the floating joint. Meanwhile, a second flange is added at the joint end of the floating joint, a third flange is added at the shaft head of the piston rod of the air cylinder, an inner hexagonal hole of the second flange is sleeved on an outer hexagonal shaft of the joint end of the floating joint, an inner four-corner hole of the third flange is sleeved on an outer four-corner shaft of the shaft head of the piston rod of the air cylinder, and connecting holes of the second flange and the third flange are fixed by bolts, so that relative looseness of connecting threads between the joint end of the floating joint and the shaft of the piston rod of the air cylinder can be avoided. The threads at the two ends of the floating joint do not rotate relative to the connecting piece, the risk that the threads are loosened and even fall off is avoided, and the safety risk is reduced.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

FIG. 2 is a schematic view of the moving axis of the present invention.

Fig. 3 is a schematic structural view of a first flange according to the present invention.

Fig. 4 is a schematic structural view of the floating joint of the present invention.

Fig. 5 is a schematic structural view of a third flange of the present invention.

Wherein: 1. a movable shaft; 2. a first bolt; 3. a first flange; 4. a floating joint; 5. a second flange; 6. a third flange; 7. a piston rod; 8. a second bolt; 9. a cylinder;

101. a movable shaft connecting sheet; 102. a threaded hole; 103. bolt holes;

301. a first flange body; 302. a first flange connection hole; 303. a first flange bulge; 304. an inner hexagonal hole;

401. a connecting shaft; 402. a shaft head end; 403. a floating joint body; 404. a joint end;

601. a third flange body; 602. a third flange connecting hole; 603. a third flange bulge; 604. an inner quadrangular hole.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1 to 5, the floating joint installation structure with anti-loosening function of the present embodiment includes a cylinder 9 and a moving shaft 1, a floating joint 4 is disposed between a piston rod 7 of the cylinder 9 and the moving shaft 1, and the structure of the floating joint 4 is as follows: the floating joint comprises a floating joint body 403, wherein one end of the floating joint body 403 is provided with a connecting shaft 401, a shaft head end 402 is arranged on the connecting shaft 401, and the other end of the floating joint body 403 is provided with a joint end 404; a flange 3 is installed in the cooperation of axle head end 402 department, and a flange 3 is connected with removal axle 1 through a bolt 2, and No. two flanges 5 are installed in the cooperation of joint end 404 department, and No. three flanges 6 are installed in the head cooperation of piston rod 7, and No. two flanges 5 and No. three flanges 6 are locked through No. two bolts 8.

The moving shaft 1 is of an integrated structure.

One end of the moving shaft 1 is connected with a driven object, the other end of the moving shaft 1 is provided with a moving shaft connecting sheet 101 with a circular thin sheet, the circumferential direction of the moving shaft connecting sheet 101 is provided with a plurality of bolt holes 103 for mounting the first bolt 2, and the center of the moving shaft connecting sheet 101 is provided with a threaded hole 102 for mounting the floating joint 4.

The first flange 3 and the second flange 5 are identical in structure, and the first flange 3 and the second flange 5 are arranged oppositely.

The structure of the first flange 3 is as follows: including a flange body 301, a flange body 301 side is the plane, and another side middle part is provided with the protruding 303 of a flange to set up hexagon socket 304 in the middle part of the protruding 303 of a flange, the circumferencial direction of a flange body 301 is provided with a plurality of flange connecting holes 302.

The structure of the third flange 6 is as follows: the flange comprises a third flange body 601, one side face of the third flange body 601 is a plane, a third flange protrusion 603 is arranged in the middle of the other side face of the third flange body, inner four corner holes 604 are formed in the middle of the third flange protrusion 603, and a plurality of third flange connecting holes 602 are formed in the circumferential direction of the third flange body 601.

The four corners of the inner four-corner hole 604 are provided with arcs.

The specific structure and function of the utility model are as follows:

mainly include removal axle 1, flange 3, floating joint 4, No. two flanges 5, No. three flange 6, cylinder 9, fastener etc..

The joint end 404 is arranged at the joint of the floating joint 4 and the piston rod 7 of the air cylinder 9, and the shaft head end 402 is arranged at the joint of the floating joint 4 and the moving shaft 1.

The movable shaft 1 is a workpiece and is a shaft with a flange on the end surface, and a threaded hole 102 matched with the floating joint 4 is drilled in the center.

During assembly, firstly, the hexagon socket 304 of the first flange 3 is sleeved on the hexagon socket shaft of the shaft head end 402 of the floating joint 4, the hexagon socket outside the convex part of the first flange 3 is clamped through a spanner, namely, the flange bulge 303 is formed, the floating joint 4 is in threaded connection with the movable shaft 1, and after the flange 3 is in threaded connection with the movable shaft 1 at a proper position, the four bolt holes 103 on the first flange 3 and the movable shaft 1 are fixed through the bolts 2.

Then, the second flange 5 and the joint end 404 of the floating joint 4 are installed, and the third flange 6 and the piston rod 7 of the cylinder 9 are installed, in the same way as described above.

In order to ensure the convenient connection, the distance between the opposite sides of the hexagon socket 304 of the flange I3 is 0.5-1mm larger than that of the hexagon shaft of the shaft head end 402 of the floating joint 4.

Likewise, the distance between the opposite sides of the hexagonal socket of the flange two 5 is 0.5-1mm greater than the distance between the opposite sides of the hexagonal shaft of the joint end 404 of the floating joint 4.

Similarly, the distance between the opposite sides of the inner quadrangular hole 604 of the third flange 6 is 0.5-1mm larger than that of the opposite sides of the shaft head quadrangular shaft on the piston rod 7.

The above description is intended to illustrate the present invention and not to limit the present invention, which is defined by the scope of the claims, and may be modified in any manner within the scope of the present invention.

Claims

1. The utility model provides a floating joint mounting structure with locking function, includes cylinder (9) and removal axle (1), its characterized in that: be provided with between piston rod (7) of cylinder (9) and removal axle (1) and float and connect (4), the structure that floats and connect (4) is: the floating joint comprises a floating joint body (403), wherein one end of the floating joint body (403) is provided with a connecting shaft (401), a shaft head end (402) is arranged on the connecting shaft (401), and the other end of the floating joint body (403) is provided with a joint end (404); the shaft head end (402) is located the cooperation and is installed flange (3) No. one, flange (3) are connected with removal axle (1) through bolt (2) No. one, No. two flange (5) are installed in cooperation of joint end (404) department, and No. three flange (6) are installed in the head cooperation of piston rod (7), lock through No. two bolt (8) between No. two flange (5) and No. three flange (6).

2. A floating joint mounting structure with looseness prevention function according to claim 1, wherein: the moving shaft (1) is of an integrated structure.

3. A floating joint mounting structure with looseness prevention function according to claim 1, wherein: one end of the moving shaft (1) is connected with a driven object, a moving shaft connecting piece (101) of a circular thin sheet is arranged at the other end of the moving shaft (1), a plurality of bolt holes (103) for installing first bolts (2) are formed in the circumferential direction of the moving shaft connecting piece (101), and a threaded hole (102) for installing a floating joint (4) is formed in the center of the moving shaft connecting piece (101).

4. A floating joint mounting structure with looseness prevention function according to claim 1, wherein: the first flange (3) and the second flange (5) are identical in structure, and the first flange (3) and the second flange (5) are arranged oppositely.

5. A floating joint mounting structure with looseness prevention function according to claim 1, wherein: the first flange (3) is structurally characterized in that: including a flange body (301), a flange body (301) side is the plane, and another side middle part is provided with a flange arch (303) to hexagonal hole (304) in the middle part of a flange arch (303) sets up, the circumferencial direction of a flange body (301) is provided with a plurality of flange connecting holes (302).

6. A floating joint mounting structure with looseness prevention function according to claim 1, wherein: the third flange (6) is structurally characterized in that: including No. three flange body (601), a side of No. three flange body (601) is the plane, and another side middle part is provided with No. three flange arch (603) to four corner holes (604) in being provided with in the middle part of No. three flange arch (603), the circumferencial direction of No. three flange body (601) is provided with a plurality of No. three flange connecting hole (602).

7. The floating joint mounting structure with looseness prevention function of claim 6, wherein: and arcs are arranged at four corners of the inner quadrangular hole (604).