CN213655413U - Convenient screw of screwing up and locking moving - Google Patents

Abstract

The utility model discloses a convenient screw of screwing up and locking moving, including screw, nut and check ring, the bottom fixed mounting of nut has the connection pad, and the bottom fixed mounting of connection pad has anti-skidding tooth, and the equal fixed mounting in both ends of check ring bottom has spacing inserted bar, and annular groove has been seted up at the top of check ring, and the inside movable mounting of first spout has the sliding block, and the torsional spring has been cup jointed to the outside of pivot, and the locking plate has been cup jointed to the outside of pivot, and one side fixed mounting that the locking plate is close to annular groove has the locking tooth, and the second spout has been seted up at the top of check ring inner wall. Through the arrangement of the anti-skidding teeth and the stopping teeth, when the screw is used for fastening and connecting workpieces, the through hole matched with the limiting inserted rod is arranged outside the workpieces to limit the stopping ring, and then the stopping ring and the nut are sleeved outside the screw in sequence to enable the stopping teeth and the anti-skidding teeth to be clamped with each other, so that the nut cannot rotate, the screw cannot be loosened, and the workpieces are connected very firmly.

Description

Convenient screw of screwing up and locking moving

Technical Field

The utility model belongs to the technical field of the screw, concretely relates to convenient screw of screwing up and locking not hard up.

Background

The bolt is a mechanical part and is matched with a cylindrical threaded fastener of a nut; the fastener consists of a head part and a screw (a cylinder with external threads), and is matched with a nut and used for fastening and connecting two parts with through holes; this form of connection is called a bolted connection; if the nut is unscrewed from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection.

In a relatively stable place, the matching between the screw and the nut is relatively fixed, and the loosening condition cannot easily occur, but in some special use environments, such as the use in a vibration environment, the use in a strong motion environment, the use in equipment with high assembly requirements and the use in other special environments, the self-locking capability after the screw thread connection of the bolt is not enough to maintain the stability of the bolt, in life, the common condition is that the bolts are used for connecting and fixing a plurality of parts on a large vehicle, the large vehicle shakes due to ground bump in the driving process, the loosening condition can occur in the connection between the screws and the nuts for a long time, and the loosening of the fastening piece can directly influence the normal work of the related parts of the vehicle, so that the failure is easily caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a convenient screw up and locking screw that moves to propose a current screw in the use in solving above-mentioned background art, because in some special service environment, for example use among the vibrations environment, use among the powerful motion environment, the equipment of high assembly requirement and the use of other special environment, self-locking ability behind the screw thread hookup is not enough to maintain the stability of self, thereby lead to being connected between screw and the nut can appear not hard up the condition and cause the problem of trouble.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a convenient screw of screwing up and locking moving, includes screw, nut and check ring, the bottom fixed mounting of screw has the nut, the bottom fixed mounting of nut has the connection pad, the bottom fixed mounting of connection pad has anti-skidding tooth, the equal fixed mounting in both ends of check ring bottom has spacing inserted bar, annular groove has been seted up at the top of check ring, first spout has been seted up to the inside of check ring, the inside movable mounting of first spout has the sliding block, the top fixed mounting of sliding block has the pivot, the torsional spring has been cup jointed to the outside of pivot, the locking plate has been cup jointed to the outside of pivot, one side fixed mounting that the locking plate is close to annular groove has the locking tooth, the second spout has been seted up at the top of check ring inner wall.

Preferably, a metal gasket is sleeved outside the screw.

Preferably, the two sides of the outer part of the screw are both provided with a limiting groove, the two sides of the inner wall of the stop ring are both fixedly provided with a limiting slide block, and the limiting slide block is matched with the limiting groove in specification and dimension

Preferably, the thickness of the anti-slip tooth is greater than or equal to the depth of the annular groove.

Preferably, first spout is the T type, first spout and second spout all are the arc setting, the top movable mounting of pivot is in the inside of second spout.

Preferably, one side of the stop plate, which is far away from the stop tooth, is provided with a handle groove.

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

1. through setting up antiskid tooth and locking tooth, when this screw fastening connection work piece, set up the through-hole with spacing inserted bar looks adaptation in the outside of work piece earlier, spacing inserted bar need insert inside the through-hole and accomplish spacingly, then according to the order with stop ring and nut cover behind the screw outside, make the locking tooth of locking plate one side and the antiskid tooth of nut bottom be in the state of meshing mutually, locking tooth and the mutual chucking of antiskid tooth to make the nut unable rotation, so the not hard up condition can not appear in the screw yet, make the connection between the work piece very firm.

2. Through setting up limit slide and spacing groove, cup joint the snap ring at the screw outside when with limit slide inside the spacing groove, limit slide and spacing groove accomplish the spacing to the snap ring, make the snap ring only can remove along the direction parallel with the screw, limit slide and spacing groove cooperate with spacing inserted bar and use, and the effectual position to the snap ring is spacing, prevents that the snap ring from rotating to be favorable to being connected between screw and the nut.

Drawings

FIG. 1 is a schematic view of the overall exploded perspective structure of the present invention;

FIG. 2 is a schematic view of a partial three-dimensional structure of the present invention;

FIG. 3 is a schematic view of the present invention in a partial cross-sectional structure;

fig. 4 is a schematic view of a partial three-dimensional structure of the present invention.

In the figure: 1. a screw; 2. a nut; 3. a metal gasket; 4. a limiting groove; 5. a nut; 6. a connecting disc; 7. anti-slip teeth; 8. a snap ring; 9. a limiting inserted rod; 10. a limiting slide block; 11. an annular groove; 12. a first chute; 13. a slider; 14. a rotating shaft; 15. a torsion spring; 16. a second chute; 17. a stopper plate; 18. and a stop tooth.

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. 1-4, the present invention provides a technical solution: the utility model provides a convenient screw of screwing up and locking moving, including screw 1, nut 5 and check ring 8, the bottom fixed mounting of screw 1 has nut 2, the bottom fixed mounting of nut 5 has connection pad 6, the bottom fixed mounting of connection pad 6 has anti-skidding tooth 7, the equal fixed mounting in both ends of check ring 8 bottom has spacing inserted bar 9, annular groove 11 has been seted up at the top of check ring 8, first spout 12 has been seted up to the inside of check ring 8, the inside movable mounting of first spout 12 has sliding block 13, the top fixed mounting of sliding block 13 has pivot 14, torsion spring 15 has been cup jointed to the outside of pivot 14, check plate 17 has been cup jointed to the outside of pivot 14, one side fixed mounting that check plate 17 is close to annular groove 11 has a locking tooth 18, second spout 16 has been seted up at the top of check ring 8 inner wall.

In the embodiment, through arranging a through hole corresponding to the specification size and the position of the limit inserted bar 9 on the outer part of the workpiece, then sleeving the stop ring 8 on the outer part of the screw 1, wherein the limit inserted bar 9 needs to be inserted into the through hole, limiting the stop ring 8 by arranging the limit inserted bar 9, so that the stop ring 8 can not move, then screwing the nut 5 into the outer part of the screw 1, approaching the stop ring 8, pulling the stop plate 17 outwards when the anti-skid tooth 7 is fast inserted into the inner part of the annular groove 11, stopping rotating the nut 5 when the anti-skid tooth 7 is abutted against the bottommost part of the annular groove 11, loosening the stop plate 17, returning the stop plate 17 under the elastic action of the torsion spring 15, adjusting according to the positions of the anti-skid tooth 7 and the stop tooth 18 to enable the anti-skid tooth 7 to be meshed with the stop tooth 18, when the anti-skid tooth 7 and the stop tooth 18 are in a meshed state, the stop teeth 18 and the anti-slip teeth 7 are clamped with each other, so that the nut 5 cannot rotate, the screw 1 cannot be loosened, and the connection between the workpieces is very firm.

Specifically, a metal gasket 3 is sleeved outside the screw 1.

In this embodiment, through setting up metal gasket 3, can increase area of contact and make the outside atress of work piece even to improve frictional force, be favorable to the connection of screw 1 to the work piece.

Specifically, the limiting groove 4 is formed in each of two outer sides of the screw 1, the limiting sliding blocks 10 are fixedly mounted on two inner walls of the stop ring 8, and the limiting sliding blocks 10 are matched with the limiting grooves 4 in specification and size.

In this embodiment, through setting up limit slide 10 and spacing groove 4, cup joint stop ring 8 at screw 1 outside when with limit slide 10 be located inside the spacing groove 4, limit slide 10 and spacing groove 4 accomplish spacing to stop ring 8, make stop ring 8 only can remove along the direction parallel with screw 1, limit slide 10 and spacing groove 4 cooperate the use with spacing inserted bar 9, effectual position to stop ring 8 is spacing, prevent stop ring 8 and rotate, thereby be favorable to being connected between screw 1 and the nut 5.

In particular, the thickness of the anti-slip teeth 7 is greater than or equal to the depth of the annular groove 11.

In this embodiment, the engagement between the anti-slip teeth 7 and the stop teeth 18 is sufficient to facilitate the fixation of the nut 5.

Specifically, first spout 12 is the T type, and first spout 12 and second spout 16 all are the arc setting, and the top movable mounting of pivot 14 is in the inside of second spout 16.

In this embodiment, the sliding block 13 is adapted to the specification and size of the first sliding groove 12, and the first sliding groove 12 is T-shaped, so that the sliding block 13 is limited, and the sliding block 13 is prevented from falling off.

Specifically, a handle slot is formed on one side of the stop plate 17 away from the stop tooth 18.

In this embodiment, the handle groove is provided to facilitate the user to pull the stopper plate 17.

The utility model discloses a theory of operation and use flow: when in use, a through hole corresponding to the specification size and the position of the limit insert rod 9 is arranged outside a workpiece, the metal gasket 3 is firstly sleeved outside the screw 1, then the screw 1 is screwed into the workpiece, then the stop ring 8 is sleeved outside the screw 1, the limit slide block 10 is positioned inside the limit groove 4, the limit insert rod 9 needs to be inserted inside the through hole, then the installation of the stop ring 8 is completed, then the nut 5 is screwed into the outside of the screw 1 and approaches to the stop ring 8, when the anti-skid teeth 7 fast enter the inside of the annular groove 11, the stop plate 17 is pulled outwards, when the anti-skid teeth 7 abut against the bottommost part of the annular groove 11, the nut 5 is stopped rotating, the stop plate 17 is loosened, the stop plate 17 returns under the elastic action of the torsion spring 15, the adjustment is needed according to the positions of the anti-skid teeth 7 and the stop teeth 18, the stop plate 17 is pulled to slide inside the first sliding groove 12 and the second sliding groove 16, the anti-skid teeth 7 are meshed with the stopping teeth 18, and when the anti-skid teeth 7 and the stopping teeth 18 are in a meshed state, the stopping teeth 18 and the anti-skid teeth 7 are clamped with each other, so that the nut 5 cannot rotate.

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 (6)

1. The utility model provides a convenient screw of screwing up and locking screw that moves, includes screw (1), nut (5) and check ring (8), its characterized in that: the bottom of the screw (1) is fixedly provided with a nut (2), the bottom of the nut (5) is fixedly provided with a connecting disc (6), the bottom of the connecting disc (6) is fixedly provided with an anti-skid tooth (7), two ends of the bottom of the stop ring (8) are both fixedly provided with a limit inserted rod (9), the top of the stop ring (8) is provided with an annular groove (11), the inside of the stop ring (8) is provided with a first sliding chute (12), a sliding block (13) is movably arranged in the first sliding groove (12), a rotating shaft (14) is fixedly arranged at the top of the sliding block (13), a torsion spring (15) is sleeved outside the rotating shaft (14), a stop plate (17) is sleeved outside the rotating shaft (14), one side of the stop plate (17) close to the annular groove (11) is fixedly provided with a stop tooth (18), and a second sliding groove (16) is formed in the top of the inner wall of the stop ring (8).

2. A screw of claim 1 that is easy to tighten and resists loosening, comprising: and a metal gasket (3) is sleeved outside the screw (1).

3. A screw of claim 1 that is easy to tighten and resists loosening, comprising: limiting grooves (4) are formed in the two sides of the outer portion of the screw (1), limiting sliding blocks (10) are fixedly mounted on the two sides of the inner wall of the stop ring (8), and the limiting sliding blocks (10) are matched with the limiting grooves (4) in specification and size.

4. A screw of claim 1 that is easy to tighten and resists loosening, comprising: the thickness of the anti-skid teeth (7) is larger than or equal to the depth of the annular groove (11).

5. A screw of claim 1 that is easy to tighten and resists loosening, comprising: first spout (12) are the T type, first spout (12) and second spout (16) all are the arc setting, the top movable mounting of pivot (14) is in the inside of second spout (16).

6. A screw of claim 1 that is easy to tighten and resists loosening, comprising: one side of the stop plate (17) far away from the stop teeth (18) is provided with a handle groove.

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