CN210830095U

CN210830095U - Locking anti-drop fastener structure

Info

Publication number: CN210830095U
Application number: CN201921679749.8U
Authority: CN
Inventors: 朱文山
Original assignee: Wuxi Junbao Hualan Technology Co ltd
Current assignee: Wuxi Junbao Hualan Technology Co ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-06-23
Anticipated expiration: 2029-10-09

Abstract

The utility model discloses a locking anti-drop fastener structure relates to fastener technical field, this locking anti-drop fastener structure, including bottom plate, roof, bolt and nut, the nut welding is at the lower surface of bottom plate, the fixed solid ring that has cup jointed of side surface of bolt, first loose ring and second loose ring have been cup jointed in the activity respectively of the side surface of bolt, gu fixed ring's top and bottom respectively with the bottom of first loose ring and the top swing joint of second loose ring, the bottom of first loose ring top and second loose ring respectively with the top and the bottom fixed connection of ring, and the inner wall of ring and solid fixed ring's surface swing joint. The utility model discloses a set up solid fixed ring, connecting rod, square bar and U-shaped board, solved some frequent vibrations or some frequent motion's equipment at present, the bolt takes place to become flexible easily, and the serious condition probably takes place to drop even, influences the problem of equipment normal operating.

Description

Locking anti-drop fastener structure

Technical Field

The utility model relates to a fastener technical field specifically is a locking anti-drop fastener structure.

Background

The threaded connection is a connection commonly used in many fields, and is most typically a bolt, which is a common mechanical part and is usually a bolt and a nut combination to connect two independent bodies together.

In the prior art, bolts are often used in some equipment, and for some equipment which vibrates frequently or moves frequently, the bolts are easy to loosen, and even fall off in severe conditions, so that the normal operation of the equipment is affected.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a locking anti-drop fastener structure possesses the advantage that prevents that the bolt is not hard up and drop to solve some frequent vibration or some frequent motion's equipment at present, the bolt takes place easily not hard up, and the serious condition probably takes place to drop even, influences the problem of equipment normal operating.

(II) technical scheme

For the purpose that realizes preventing that the bolt is not hard up and drops, the utility model provides a following technical scheme: a locking anti-drop fastener structure comprises a bottom plate, a top plate, a bolt and a nut, wherein the nut is welded on the lower surface of the bottom plate, a fixing ring is fixedly sleeved on the side surface of the bolt, a first movable ring and a second movable ring are movably sleeved on the side surface of the bolt respectively, the top and the bottom of the fixing ring are respectively movably connected with the bottom of the first movable ring and the top of the second movable ring, the top of the first movable ring and the bottom of the second movable ring are respectively fixedly connected with the top and the bottom of a circular ring, the inner wall of the circular ring is movably connected with the surface of the fixing ring, two first connecting seats are respectively and fixedly connected with the side surface of the circular ring, the two first connecting seats are respectively and movably connected with one ends of two connecting rods through fixing shafts, the other ends of the two connecting rods are respectively and movably connected with two second connecting seats through pin shafts, and square rods are respectively and fixedly connected with the bottoms of the, the equal fixedly connected with U-shaped plate in position department that the roof corresponds two square poles, the inner wall of U-shaped plate and the surperficial swing joint of square pole, the locking groove has been seted up to the upper surface of square pole, the top fixedly connected with square box of U-shaped plate, the top fixedly connected with spring of square box inner wall, the bottom of spring and the top fixed connection of movable rod, the bottom of movable rod runs through the U-shaped plate and extends to the inside in locking groove, the fixed surface of bolt has cup jointed the go-between.

As an optimal technical scheme of the utility model, the lower surface activity of square pole is inlayed and is had the ball, the surface of ball and the upper surface swing joint of roof.

As an optimized technical scheme of the utility model, go-between and bolt fixed connection structure as an organic whole.

As a preferred technical scheme of the utility model, the bottom of movable rod is right angled triangle, and the shape looks adaptation in shape and the locking groove of movable rod.

As a preferred technical scheme of the utility model, the top fixedly connected with connecting rod of movable rod, the spring activity cup joints the surface at the connecting rod, the top of connecting rod runs through the square box and extends to directly over the square box.

(III) advantageous effects

Compared with the prior art, the utility model provides a locking anti-drop fastener structure possesses following beneficial effect:

the locking anti-drop fastener structure comprises a fixing ring, a circular ring, a connecting rod, a square rod and a U-shaped plate, wherein the fixing ring, the circular ring, the connecting rod, the square rod and the U-shaped plate are arranged, the bolt is rotated, the bolt rotates along the axis of the bolt and moves downwards simultaneously, the fixing ring moves along with the bolt, the bottom of the fixing ring extrudes the top of the second movable ring to enable the first movable ring, the circular ring and the first connecting seat to move downwards, the fixing ring can rotate in the circular ring, the square rod is inserted into the U-shaped plate, the first movable ring, the second movable ring, the circular ring and the first connecting seat cannot rotate and can move only in the vertical direction, the angle of the connecting rod changes continuously as the bolt rotates along the axis of the bolt and moves downwards simultaneously, the square rod is inserted into the U-shaped plate continuously, the inner wall of a locking groove on the upper surface of the square rod, the bolt is screwed up, at this moment, the movable rod makes the square bar can not back move with the cooperation of locking groove, thereby make the connecting rod can not reverse the emergence angle change, first connecting seat just can not the up-motion, first loose ring, second loose ring and ring just can not the up-motion, thereby pin the bolt, when equipment takes place to vibrate for a long time or be in the motion state for a long time, the bolt just can not take place to become flexible, more can not take place to drop, the effect that prevents that the bolt from becoming flexible and droing has been reached, some present frequent vibrations or some frequent motion's equipment has been solved, the bolt takes place to become flexible easily, serious condition probably takes place to drop even, influence equipment normal operating's problem.

Drawings

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

fig. 2 is an enlarged view of a structure in fig. 1.

In the figure: 1. a base plate; 2. a top plate; 3. a bolt; 4. a nut; 5. a fixing ring; 6. a first movable ring; 7. a second movable ring; 8. a circular ring; 9. a first connecting seat; 10. a connecting rod; 11. a second connecting seat; 12. a square bar; 13. a U-shaped plate; 14. a locking groove; 15. a square box; 16. a spring; 17. a movable rod; 18. a connecting ring; 19. a ball bearing; 20. a connecting rod.

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.

Referring to fig. 1-2, a locking anti-drop fastener structure comprises a bottom plate 1, a top plate 2, a bolt 3 and a nut 4, wherein the nut 4 is welded on the lower surface of the bottom plate 1, a fixing ring 5 is fixedly sleeved on the side surface of the bolt 3, the fixing ring 5 can be fixed on the surface of the bolt 3 by welding, a first movable ring 6 and a second movable ring 7 are respectively movably sleeved on the side surface of the bolt 3, the top and the bottom of the fixing ring 5 are respectively and movably connected with the bottom of the first movable ring 6 and the top of the second movable ring 7, the top and the bottom of the first movable ring 6 and the bottom of the second movable ring 7 are respectively and fixedly connected with the top and the bottom of a circular ring 8, the top and the bottom of the circular ring 8 are fixed with the first movable ring 6 and the second movable ring 7 by welding or screws, the fixing ring 5 is wrapped, and the inner wall of the circular ring 8 is, the fixed ring 5, the first movable ring 6, the second movable ring 7 and the circular ring 8 can be replaced into a bearing, the inner wall of the bearing is fixedly connected with the surface of the bolt 3, welding is adopted, the outer wall of the bearing and the two first connecting seats 9 are respectively fixed through welding, in the rotating process of the bolt 3, the first connecting seats 9 and other parts cannot rotate along with the bolt 3, the first connecting seats 9 can vertically move downwards along with the bolt 3, the bearing can play a role in reducing friction, the side surfaces of the circular ring 8 are respectively and fixedly connected with the two first connecting seats 9, the two first connecting seats 9 are respectively and movably connected with one ends of the two connecting rods 10 through fixed shafts, the other ends of the two connecting rods 10 are respectively and movably connected with the two second connecting seats 11 through pin shafts, the bottoms of the two second connecting seats 11 are respectively and fixedly connected with the square rods 12, the positions of the top plate 2 corresponding to the two square rods 12 are respectively and fixedly connected, the side view of U-shaped plate 13 is the shape of falling the U, the inner wall of U-shaped plate 13 and the surperficial swing joint of square bar 12, locking groove 14 has been seted up to the upper surface of square bar 12, the top fixedly connected with square box 15 of U-shaped plate 13, the top fixedly connected with spring 16 of square box 15 inner wall, the bottom of spring 16 and the top fixed connection of movable rod 17, the bottom of movable rod 17 runs through U-shaped plate 13 and extends to the inside in locking groove 14, the fixed surface of bolt 3 has cup jointed go-between 18, go-between 18 compresses tightly roof 2.

Specifically, the lower surface of the square rod 12 is movably embedded with a ball 19, and the surface of the ball 19 is movably connected with the upper surface of the top plate 2.

In this embodiment, the balls 19 may be replaced by pulleys, the bolt 3 rotates along its axis and moves downward, the square bar 12 is pressed by the connecting rod 10, and the friction between the lower surface of the square bar 12 and the upper surface of the top plate 2 can be reduced by the balls 19.

Specifically, the connection ring 18 is fixedly connected with the bolt 3 as an integral structure.

In this embodiment, the molding can be performed by integral processing or casting.

Specifically, the bottom of the movable rod 17 is in a right triangle shape, and the shape of the movable rod 17 is matched with the shape of the locking groove 14.

In this embodiment, the slope of the movable rod 17 cooperates with the slope of the locking groove 14 to enable the square rod 12 to be inserted into the U-shaped plate 13, and the plane of the movable rod 17 cooperates with the plane of the inner wall of the locking groove 14 to enable the square rod 12 not to move reversely along the inner wall of the U-shaped plate 13, so as to lock the square rod.

Specifically, the top of the movable rod 17 is fixedly connected with a connecting rod 20, the spring 16 is movably sleeved on the surface of the connecting rod 20, and the top of the connecting rod 20 penetrates through the square box 15 and extends to the position right above the square box 15.

In this embodiment, the connecting rod 20 conveniently separates the movable rod 17 from the locking groove 14, and when the bolt 3 needs to be detached, the connecting rod 20 moves upward until the movable rod 17 is separated from the locking groove 14, and then the bolt 3 is rotated reversely to be detached.

The utility model discloses a theory of operation and use flow: when the connecting rod is used, the bolt 3 is firstly inserted into the mounting holes reserved in the bottom plate 1 and the top plate 2, the initial state of the connecting rod 10 is in a vertical state, the square rod 12 is horizontally inserted into the U-shaped plate 13, the connecting rod 10 is changed into an inclined state from the vertical state, then the bolt 3 is rotated, the bolt 3 rotates along the axis of the bolt 3 and moves downwards, the fixing ring 5 moves along with the bolt 3, the bottom of the fixing ring 5 extrudes the top of the second movable ring 7 to enable the first movable ring 6, the circular ring 8 and the first connecting seat 9 to move downwards, the fixing ring 5 can rotate in the circular ring 8, the square rod 12 is inserted into the U-shaped plate 13, so that the first movable ring 6, the second movable ring 7, the circular ring 8 and the first connecting seat 9 cannot rotate and can only move in the vertical direction, the angle of the connecting rod 10 is continuously changed along with the rotation of the bolt 3 along the axis and moves downwards, and the square rod, the inner wall of a locking groove 14 on the upper surface of a square rod 12 continuously extrudes a movable rod 17 to enable the movable rod 17 to move up and down in a reciprocating mode, a spring 16 continuously shortens and extends, when a connecting ring 18 is tightly pressed on the upper surface of a top plate 2, a bolt 3 is screwed, at the moment, one side of the movable rod 17 is a plane, one side of the inner wall of the locking groove 14 is a plane, the square rod 12 cannot move back due to the matching of the two, a connecting rod 10 cannot change in a reverse angle, a first connecting seat 9 cannot move upwards, a first movable ring 6, a second movable ring 7 and a circular ring 8 cannot move upwards, the bolt 3 is locked, when equipment vibrates for a long time or is in a motion state for a long time, the bolt 3 cannot become loose or fall off, when the bolt 3 needs to be dismounted, the connecting rod 20 is moved upwards, the spring 16 shortens, the movable rod 17 moves upwards until the movable rod 17 is completely separated from the locking groove 14, and then the bolt 3 is rotated reversely until the bolt 3 is completely separated from the nut 4.

In conclusion, the locking anti-falling fastener structure solves the problems that the bolt 3 is easy to loosen and even possibly falls off to influence the normal operation of equipment in the conventional equipment which frequently vibrates or frequently moves by arranging the fixing ring 5, the circular ring 8, the connecting rod 10, the square rod 12 and the U-shaped plate 13.

It should be noted that, in this document, terms such as "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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 a locking anti-drop fastener structure, includes bottom plate (1), roof (2), bolt (3) and nut (4), its characterized in that: nut (4) welding is at the lower surface of bottom plate (1), the fixed solid fixed ring (5) of having cup jointed of side surface of bolt (3), the side surface of bolt (3) is movably cup jointed first loose ring (6) and second loose ring (7) respectively, the top and the bottom of solid fixed ring (5) respectively with the bottom of first loose ring (6) and the top swing joint of second loose ring (7), the bottom of first loose ring (6) top and second loose ring (7) respectively with the top and the bottom fixed connection of ring (8), and the inner wall of ring (8) and the surface swing joint of solid fixed ring (5), the side surface of ring (8) is two first connecting seats (9) of fixedly connected with respectively, two first connecting seat (9) all through the fixed axle respectively with the one end swing joint of two connecting rods (10), two the other end of connecting rod (10) all through the round pin axle respectively with two second connecting seats (11) activities and move about Connect, two the equal fixedly connected with square bar (12) in bottom of second connecting seat (11), roof (2) correspond the equal fixedly connected with U-shaped plate (13) in position department of two square bars (12), the inner wall of U-shaped plate (13) and the surperficial swing joint of square bar (12), locking groove (14) have been seted up to the upper surface of square bar (12), the top fixedly connected with square box (15) of U-shaped plate (13), the top fixedly connected with spring (16) of square box (15) inner wall, the bottom of spring (16) and the top fixed connection of movable rod (17), the bottom of movable rod (17) runs through U-shaped plate (13) and extends to the inside in locking groove (14), the fixed surface of bolt (3) has cup jointed go-between (18).

2. The locking anti-drop fastener structure of claim 1, wherein: the lower surface of the square rod (12) is movably embedded with a ball (19), and the surface of the ball (19) is movably connected with the upper surface of the top plate (2).

3. The locking anti-drop fastener structure of claim 1, wherein: the connecting ring (18) and the bolt (3) are fixedly connected into an integral structure.

4. The locking anti-drop fastener structure of claim 1, wherein: the bottom of the movable rod (17) is in a right triangle shape, and the shape of the movable rod (17) is matched with that of the locking groove (14).

5. The locking anti-drop fastener structure of claim 1, wherein: the top fixedly connected with connecting rod (20) of movable rod (17), spring (16) activity cup joints the surface at connecting rod (20), square box (15) are run through and extend to square box (15) directly over to the top of connecting rod (20).