CN213776030U - Combined anti-theft nut - Google Patents

Abstract

The utility model discloses a modular antitheft nut, accomodate the groove including strengthening shell, nut main part, theftproof inserted bar and second, the groove is accomodate to the inside top of nut main part even welding has the second, and the second is accomodate the inside in groove and is fixed with the second latch segment through the second spring, strengthen the shell is installed in the outside of nut main part, and the second is accomodate the outer wall of groove below nut main part and is evenly welded and first accomodate the groove. The utility model discloses an install the nut main part and strengthen the shell for self structure has been optimized to this fastener, through having increased at nut main part outer wall and having strengthened the shell, and the material of strengthening the shell is the chromium alloy that hardness is very high, and is provided with the nanometer ceramic back up coat at the lateral wall of strengthening the shell, thereby strengthened the holistic structural strength of this fastener, guaranteed that this fastener is difficult for carrying out the violence through centre gripping instruments such as pincers types and dismantling than traditional antitheft nut, strengthened the theftproof performance of this fastener.

Description

Combined anti-theft nut

Technical Field

The utility model relates to a nut technical field specifically is a modular antitheft nut.

Background

The nut is widely applied to production and manufacturing machinery, the nut is a part which is screwed together with a bolt or a screw rod to play a fastening role, the nut is various in types, and in field facilities such as an electric power iron tower and the like, in order to prevent the destruction of lawless persons, the fastening nut is required to have an anti-theft function, at this time, the anti-theft nut is required to be used, the nut is not easy to detach after being installed, and a better anti-theft function can be realized, but the existing anti-theft nut still has the following problems in actual use:

1. common anti-theft nuts often do not have the advantage of being combined, which causes the device to be difficult to disassemble, assemble and maintain;

2. the existing anti-theft nuts on the market also have the problems of low structural strength and poor anti-theft performance, which causes poor use effect of the device;

3. the existing antitheft nut also generally has the defect that the reinforced shell is difficult to disassemble, assemble and recycle, so that the resource waste is caused, and the long-term popularization of the device is not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a modular antitheft nut to the problem of consolidating the shell is retrieved to the advantage that does not possess the combination formula, difficult dismouting maintenance, structural strength low, the theftproof performance poor and difficult dismouting of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a modular antitheft nut, accomodates the groove including strengthening shell, nut main part, theftproof inserted bar and second, the groove is accomodate to the inside top of nut main part even welding has the second, and the second accomodates the inside in groove and be fixed with the second latch segment through the second spring, the strengthening shell is installed in the outside of nut main part, and the second accomodates the groove below the outer wall of nut main part even welding has the first groove of accomodating, and the first reinforced shell internal weld who keeps away from nut main part one end of accomodating the groove has a locking groove, install the theftproof inserted bar on the locking groove, and the theftproof inserted bar transversely runs through the one end of strengthening the shell to the one end that the nut main part was kept away from to the theftproof inserted bar is provided with operating handle.

Preferably, constitute integrated welded structure between operating handle and the theftproof inserted bar, and operating handle's lateral wall is provided with the non-slip rubber layer, and the inside wall of nut main part is provided with connecting thread, and the groove is provided with 8 to the second, and the groove is arranged to the second on the nut main part is concentric circles, makes it pass through block locking structure, can make nut main part and bolt locking to make the unable rethread spiral of nut main part and bolt break away from, realize better locking theftproof function.

Preferably, the material of strengthening the shell is chromium alloy, and strengthen the lateral wall of shell and be provided with the nano-ceramics back up coat, make it strengthen the holistic structural strength of this fastener, guaranteed this fastener and be difficult for carrying out the violence through centre gripping instruments such as pincers class than traditional theftproof nut and dismantle, strengthened the theftproof performance of this fastener.

Preferably, the vertical center line of the reinforcing shell and the vertical center line of the nut main body are on the same vertical line, and the annular positioning baffle matched with the nut main body is arranged at the bottom end of the reinforcing shell, so that the reinforcing shell can be prevented from over-screwing, and the reinforcing shell and the nut main body can be assembled accurately.

Preferably, the inside wall of strengthening the shell is provided with reserves the internal thread, and the lateral wall of nut main part is provided with and reserves internal thread assorted and reserves the external screw thread, and the theftproof inserted bar is provided with 4, and the theftproof inserted bar is concentric circles on strengthening the shell and arranges, and strengthen be provided with on the shell with theftproof inserted bar assorted reserve the slot for the advantage of combination formula has been realized to this fastener, and the easy access is maintained.

Preferably, the theftproof inserted bar has the card post near the one end welding of nut main part, be provided with on the enhancement shell of locking groove one end with card post assorted draw-in groove, and constitute threaded connection between card post and the draw-in groove to the inside of draw-in groove is linked together with the inside of locking groove, makes it realize the detachability of this fastener, and the recycle of being convenient for strengthens the shell, has practiced thrift the resource.

Preferably, an integrated welding structure is formed between the first accommodating groove and the nut main body, and a first locking block matched with the locking groove is fixed in the first accommodating groove through a first spring, so that the reinforced shell and the nut main body can be assembled firmly.

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

(1) the combined anti-theft nut is provided with a nut main body, a reinforcing shell, a first spring, a first locking block, a first accommodating groove, a reserved external thread and a reserved internal thread, so that when the fastener is used specifically, a user can carry out spiral sleeve joint on the reinforcing shell and the nut main body by utilizing the connection effect of the reserved external thread and the reserved internal thread, when the reinforcing shell is completely spirally sleeved on the nut main body, the first locking block arranged in the four first accommodating grooves which are arranged in a concentric circle at the top end of the inner wall of the reinforcing shell can be bounced into the locking groove corresponding to the outer wall of the nut main body under the action of the first spring, the reinforcing shell and the nut main body can be locked through a clamping locking structure formed by the reinforcing shell and the nut main body, so that the reinforcing shell and the nut main body can not be separated through the spiral, the firmness performance when the reinforcing shell and the nut main body are connected is improved, during specific operation, when the reinforcing shell is spirally sleeved on the nut main body, the first locking block can compress the first spring and is embedded in the first accommodating groove to shrink, so that the normal spiral sleeve connection is not influenced, the device has the combined advantage and is convenient to maintain;

(2) the combined anti-theft nut is provided with the nut main body and the reinforcing shell, so that the structure of the fastener is optimized, the reinforcing shell is additionally arranged on the outer wall of the nut main body, the material of the reinforcing shell is chromium alloy with extremely high hardness, and the nano ceramic reinforcing layer is arranged on the outer side wall of the reinforcing shell, so that the integral structural strength of the fastener is enhanced, the fastener is ensured to be difficult to violently disassemble through clamping tools such as pliers and the like compared with the traditional anti-theft nut, and the anti-theft performance of the fastener is enhanced;

(3) when the combined anti-theft nut is used, when the whole fastener is required to be disassembled, the reinforced shell which is difficult to be clamped is disassembled in advance, then the nut body is clamped by pliers and the like, so that the detachability of the fastener is realized, the reinforced shell is convenient to recycle, resources are saved, in the specific operation, a user inserts the specially-made anti-theft insertion rod into the reserved slot arranged on the reinforced shell by grasping the operating handle, after the anti-theft insertion rod is inserted into the deepest end, the operating handle is grasped to rotate the anti-theft insertion rod, the clamping column at the tail end of the anti-theft insertion rod is screwed into the corresponding clamping slot, after the anti-theft insertion rod is rotated to the deepest end, the anti-theft insertion rod can abut against the clamping slot and cannot go deep, in the state, the clamping column can just stretch into the tail end of the locking slot, and the first locking block is pushed to compress the first spring to retract into the first accommodating slot, the user can then screw the reinforcement housing off the nut body.

Drawings

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

FIG. 2 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the front cross-sectional structure of the anti-theft insertion rod of the present invention;

fig. 5 is a schematic view of the sectional structure of the nut body according to the present invention.

In the figure: 1. an operating handle; 2. a reinforcing outer shell; 201. an annular positioning baffle; 3. a nut body; 4. an anti-theft inserted link; 5. a first locking block; 6. a first spring; 7. a first receiving groove; 8. reserving external threads; 9. reserving internal threads; 10. a card slot; 11. a locking groove; 12. clamping the column; 13. a second locking block; 14. a second receiving groove; 15. a second spring.

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. 1-5, the present invention provides an embodiment: a combined anti-theft nut comprises a reinforced shell 2, a nut main body 3, an anti-theft inserted bar 4 and a second accommodating groove 14, wherein the second accommodating groove 14 is uniformly welded at the top end inside the nut main body 3, a second locking block 13 is fixed inside the second accommodating groove 14 through a second spring 15, the reinforced shell 2 is installed on the outer side of the nut main body 3, a first accommodating groove 7 is uniformly welded on the outer wall of the nut main body 3 below the second accommodating groove 14, a locking groove 11 is welded inside the reinforced shell 2 at the end, away from the nut main body 3, of the first accommodating groove 7, the anti-theft inserted bar 4 is installed on the locking groove 11, the anti-theft inserted bar 4 transversely penetrates through one end of the reinforced shell 2, an operating handle 1 is arranged at one end, away from the nut main body 3, of the anti-theft inserted bar 4, an integrated welding structure is formed between the operating handle 1 and the anti-theft inserted bar 4, and an anti-slip rubber layer is arranged on the outer side wall of the operating handle 1, the inner side wall of the nut main body 3 is provided with connecting threads, the number of the second accommodating grooves 14 is 8, and the second accommodating grooves 14 are arranged on the nut main body 3 in a concentric circle manner;

when the nut body 3 is screwed on the bolt, the second locking blocks 13 arranged at the top end of the inner wall of the nut body 3 and arranged in the eight second accommodating grooves 14 in the concentric circle form can be bounced into the corresponding anti-theft grooves on the outer wall of the bolt under the action of the second springs 15, the nut body 3 and the bolt can be locked through the clamping and locking structure formed by the two, so that the nut body 3 can not be separated from the bolt through the screw and the bolt, a good locking anti-theft function is realized, and when the nut body 3 is screwed on the bolt, the second locking blocks 13 can compress the second springs 15 and are embedded into the second accommodating grooves 14 to be contracted, and the normal screwed sleeving is not influenced;

the material of the reinforced shell 2 is chromium alloy, and the outer side wall of the reinforced shell 2 is provided with a nano ceramic reinforcing layer;

when the anti-theft nut is used, the reinforcing shell 2 is additionally arranged on the outer wall of the nut main body 3, the material of the reinforcing shell 2 is chromium alloy with extremely high hardness, and the nano ceramic reinforcing layer is arranged on the outer side wall of the reinforcing shell 2, so that the overall structural strength of the fastener is enhanced, the fastener is not easy to violently disassemble through clamping tools such as pliers and the like compared with the traditional anti-theft nut, and the anti-theft performance of the fastener is enhanced;

the vertical center line of the reinforced shell 2 and the vertical center line of the nut main body 3 are on the same vertical line, and the bottom end of the reinforced shell 2 is provided with an annular positioning baffle 201 matched with the nut main body 3;

when the nut is used, the annular positioning baffle 201 matched with the nut main body 3 is arranged at the bottom end of the reinforcing shell 2, when the reinforcing shell 2 is screwed to be completely sleeved on the nut main body 3, the annular positioning baffle 201 at the bottom end of the reinforcing shell 2 can abut against the bottom end of the nut main body 3, the reinforcing shell 2 is prevented from over-screwing, and the nut are convenient to assemble accurately;

the inner side wall of the reinforcing shell 2 is provided with reserved internal threads 9, the outer side wall of the nut body 3 is provided with reserved external threads 8 matched with the reserved internal threads 9, 4 anti-theft insertion rods 4 are arranged on the reinforcing shell 2 in a concentric circle mode, and reserved slots matched with the anti-theft insertion rods 4 are formed in the reinforcing shell 2;

the structure of the fastener is optimized, and a user can conveniently disassemble and assemble the nut main body 3 and the reinforcing shell 2, so that the fastener has the combined advantage and is convenient to overhaul and maintain;

a clamping column 12 is welded at one end, close to the nut body 3, of the anti-theft inserted rod 4, a clamping groove 10 matched with the clamping column 12 is formed in the reinforcing shell 2 at one end of the locking groove 11, the clamping column 12 is in threaded connection with the clamping groove 10, and the interior of the clamping groove 10 is communicated with the interior of the locking groove 11;

when the whole fastener needs to be disassembled, the reinforcing shell 2 which is difficult to be broken is disassembled in advance, and then the nut main body 3 is broken by using pliers and the like, thereby realizing the detachability of the fastener, being convenient for recycling the reinforced shell 2, saving resources, and during the specific operation, the user inserts the special anti-theft insertion rod 4 into the reserved slot arranged on the reinforced shell 2 by grasping the operating handle 1, after the special anti-theft insertion rod is inserted into the deepest end, the operating handle 1 is held to rotate the anti-theft insertion rod 4, so that the clamping column 12 at the tail end of the anti-theft insertion rod enters the corresponding clamping groove 10 in a spiral manner, after the anti-theft insertion rod rotates to the deepest end, the anti-theft inserted rod 4 will abut against the slot 10 and cannot go deep any more, in this state, the clamping column 12 will just extend into the end inside the locking slot 11, and just pushes the first locking block 5 to compress the first spring 6 to retract into the first receiving groove 7, at this time, the user can screw and detach the reinforcing shell 2 from the nut body 3;

an integrated welding structure is formed between the first accommodating groove 7 and the nut main body 3, and a first locking block 5 matched with the locking groove 11 is fixed in the first accommodating groove 7 through a first spring 6;

when the nut is used, a user can carry out spiral sleeve joint on the reinforcing shell 2 and the nut main body 3 by utilizing the connection action of the reserved external thread 8 and the reserved internal thread 9, when the reinforcing shell 2 is completely spirally sleeved on the nut main body 3, the first locking blocks 5 arranged at the top end of the inner wall of the reinforcing shell 2 and arranged in the four first accommodating grooves 7 which are arranged in concentric circles can be bounced into the corresponding locking grooves 11 on the outer wall of the nut main body 3 under the action of the first springs 6, the reinforcing shell 2 and the nut main body 3 can be locked by the clamping locking structure formed by the two, so that the reinforcing shell 2 can not be separated from the nut main body 3 through the spiral, the firmness of the two in connection is improved, during specific operation, when the reinforcing shell 2 is spirally sleeved on the nut main body 3, the first locking blocks 5 can compress the first springs 6 and are embedded into the first accommodating grooves 7 to shrink, the normal spiral sleeve joint is not influenced.

The working principle is as follows: when the nut is used, a user firstly utilizes the connection function of the reserved external thread 8 and the reserved internal thread 9 to carry out spiral sleeve joint on the reinforcing shell 2 and the nut main body 3, when the reinforcing shell 2 is completely spirally sleeved on the nut main body 3, the first locking blocks 5 arranged at the top end of the inner wall of the reinforcing shell 2 and arranged in the four first accommodating grooves 7 which are arranged in concentric circles can be bounced into the corresponding locking grooves 11 on the outer wall of the nut main body 3 under the action of the first springs 6, and the reinforcing shell 2 and the nut main body 3 can be locked through the clamping locking structure formed by the two, so that the reinforcing shell 2 can be separated from the nut main body 3 through the spiral, the firmness of the two in connection is improved, during specific operation, when the reinforcing shell 2 is spirally sleeved on the nut main body 3, the first locking blocks 5 can compress the first springs 6 and are embedded into the first accommodating grooves 7 to shrink, the normal spiral sleeve joint is not influenced, then the nut body 3 is connected with a corresponding bolt by arranging the connecting thread on the inner side wall of the nut body 3, when the nut body 3 is completely spirally sleeved on the corresponding bolt, the second locking blocks 13 arranged at the top end of the inner wall of the nut body 3 and arranged in the eight second accommodating grooves 14 which are arranged in concentric circles can be bounced into the corresponding anti-theft grooves on the outer wall of the bolt under the action of the second springs 15, the nut body 3 and the bolt can be locked by the clamping locking structure formed by the two, so that the nut body 3 can not be separated from the bolt by the spiral, a better locking anti-theft function is realized, when the nut body 3 is spirally sleeved on the bolt, the second locking blocks 13 can compress the second springs 15 and are embedded into the second accommodating grooves 14 to shrink, the spiral sleeve joint is convenient, and when the nut body is used specifically, on one hand, the bottom end of the reinforced shell 2 is provided with the annular positioning baffle 201 matched with the nut main body 3, when the reinforced shell 2 is screwed to be completely sleeved on the nut main body 3, the annular positioning baffle 201 at the bottom end of the reinforced shell 2 can abut against the bottom end of the nut main body 3 to prevent the reinforced shell 2 from over-screwing, so that the nut main body 3 and the reinforced shell are convenient to be accurately assembled, on the other hand, when the whole fastener is required to be disassembled, the reinforced shell 2 which is difficult to be clamped and broken is disassembled in advance, the nut main body 3 is clamped and broken by pliers and the like, so that the detachability of the fastener is realized, the reinforced shell 2 is convenient to recycle, resources are saved, when in specific operation, a user inserts the specially-made anti-theft insertion rod 4 into a reserved slot arranged on the reinforced shell 2 by grasping the operating handle 1, and after the deepest end is inserted, grasps the operating handle 1 to rotate the anti-theft insertion rod 4, so that the clamping column 12 at the tail end of the user can spirally enter the corresponding clamping slot 10, after rotating to the deepest end, theftproof inserted bar 4 can support draw-in groove 10 and can't deepen again, and under this state, card post 12 can stretch into the inside end in locking groove 11 just in time to just promote first spring 6 of first locking block 5 compression and retract and get into first groove 7 of accomodating inside, at this moment the user just can follow nut main part 3 spiral with strengthening shell 2 and pull down.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a modular antitheft nut, accomodates groove (14), its characterized in that including strengthening shell (2), nut main part (3), theftproof inserted bar (4) and second: the utility model discloses a nut, nut and spring, the inside top of nut main part (3) evenly welds and accomodate groove (14) to the second, and the inside of groove (14) is accomodate to the second is fixed with second latch segment (13) through second spring (15), reinforced shell (2) are installed in the outside of nut main part (3), and the groove (14) is accomodate to the second outer wall evenly welds and first accomodate groove (7) below nut main part (3), and first accomodate that reinforced shell (2) the inside welding of groove (7) keep away from nut main part (3) one end has locking groove (11), install theftproof inserted bar (4) on locking groove (11), and theftproof inserted bar (4) transversely run through the one end of reinforced shell (2) to the one end that nut main part (3) were kept away from in theftproof inserted bar (4) is provided with operating handle (1).

2. The combined antitheft nut of claim 1, characterized in that: constitute integrated welded structure between operating handle (1) and theftproof inserted bar (4), and the lateral wall of operating handle (1) is provided with anti-skidding rubber layer, and the inside wall of nut main part (3) is provided with connecting thread, and second is accomodate groove (14) and is provided with 8, and second is accomodate groove (14) and is concentric circles and arranges on nut main part (3).

3. The combined antitheft nut of claim 1, characterized in that: the material of the reinforced shell (2) is chromium alloy, and the outer side wall of the reinforced shell (2) is provided with a nano ceramic reinforcing layer.

4. The combined antitheft nut of claim 1, characterized in that: the vertical center line of the reinforced shell (2) and the vertical center line of the nut main body (3) are on the same vertical line, and the bottom end of the reinforced shell (2) is provided with an annular positioning baffle (201) matched with the nut main body (3).

5. The combined antitheft nut of claim 1, characterized in that: strengthen the inside wall of shell (2) and be provided with and reserve internal thread (9), the lateral wall of nut main part (3) is provided with and reserves internal thread (9) assorted and reserves external screw thread (8), and theftproof inserted bar (4) are provided with 4, and theftproof inserted bar (4) are concentric circles on strengthening shell (2) and arrange, and strengthen being provided with on shell (2) with theftproof inserted bar (4) assorted reservation slot.

6. The combined antitheft nut of claim 1, characterized in that: the anti-theft inserted bar (4) is welded with a clamping column (12) at one end close to the nut body (3), a clamping groove (10) matched with the clamping column (12) is formed in the reinforcing shell (2) at one end of the locking groove (11), the clamping column (12) and the clamping groove (10) are in threaded connection, and the inside of the clamping groove (10) is communicated with the inside of the locking groove (11).

7. The combined antitheft nut of claim 1, characterized in that: constitute integrated welded structure between first groove (7) of accomodating and the nut main part (3), and the inside of first groove (7) of accomodating is fixed with first locking piece (5) with locking groove (11) assorted through first spring (6).

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