CN217055878U

CN217055878U - Bolt convenient to fasten and disassemble

Info

Publication number: CN217055878U
Application number: CN202220426633.9U
Authority: CN
Inventors: 黄大凤
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-07-26
Anticipated expiration: 2032-03-01

Abstract

The utility model relates to a fastener technical field just discloses a bolt is convenient for fasten and dismantle, including screw rod and hexagon nut, the top of screw rod and hexagon nut's bottom rigid coupling, hexagonal shrinkage pool has been seted up at hexagon nut's top, reverse thread groove has been seted up at the top of screw rod, reverse thread groove is located hexagonal shrinkage pool under, the surface of screw rod is equipped with the enhancement screwed pipe. This bolt convenient to fasten and dismantle through the enhancement screwed pipe, makes the device process screw rod, enhancement screwed pipe and mounted position through integral type cutter and integral type screw tap in the course of working, and the screw thread of device on fixed completion back screw rod and the enhancement screwed pipe produces fastening stress at the mounted position simultaneously, has reduced the probability that the screw thread interference appears in the mounting process of device, effectively improves the reliability of device under the prerequisite of guaranteeing fastening stress to the practicality of device has been strengthened.

Description

Bolt convenient to fasten and disassemble

Technical Field

The utility model relates to a fastener technical field specifically is a bolt is convenient for fasten and dismantle.

Background

Through retrieval, Chinese patent No. CN212079892U discloses a bolt convenient to fasten and disassemble, which relates to the technical field of fasteners, in particular to a bolt convenient to fasten and disassemble, comprising a bolt and a hexagon bolt head, wherein the bolt is fixedly connected with the bottom of the hexagon bolt head, the bolt is a hollow cylinder, the top of the hexagon bolt head is provided with a circular groove, the bottom of the circular groove is communicated with the inside of the bolt cavity, the top of the bolt cavity and the bottom of the bolt cavity are both provided with threads, a second fastening bolt is arranged in the bolt cavity, the bolt convenient to fasten and disassemble is characterized in that the second fastening bolt is screwed into a fixing piece by arranging the second fastening bolt, the secondary fastening and fixing effects are realized, the fastening effect is improved, the dismounting and the mounting of the second fastening of at least three tools can be realized by arranging the circular groove, the hexagon groove and the cross groove, more choices are provided for the dismounting of workers, the problem that the bolt and the second fastening bolt cannot be disassembled under the condition that tools are not available is avoided, disassembly and efficiency are improved, and the difficulty of work is reduced.

When the bolt convenient to fasten and disassemble in the prior art is used, the fastening position is subjected to secondary thread fixing through the bolt and the second fastening bolt, but because the bolt and the second fastening bolt are also in threaded connection relation when the bolt and the second fastening bolt are used for fastening the mounting position, the phenomenon of thread interference easily occurs in the mounting process of the device, the reliability of the device is reduced, and the practicability of the device is influenced.

Based on this, the utility model designs a be convenient for fastening and dismantle bolt to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a be convenient for fasten and dismantle bolt has solved the problem of proposing among the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be convenient for fastening and dismantle bolt, includes screw rod and hexagon nut, the top of screw rod and hexagon nut's bottom rigid coupling, hexagonal shrinkage pool has been seted up at hexagon nut's top, reverse thread groove has been seted up at the top of screw rod, reverse thread groove is located the hexagonal shrinkage pool under, the surface of screw rod is equipped with the enhancement screwed pipe, the surface slidable cover of screw rod is equipped with the auto-lock backing ring, the top of auto-lock backing ring is equipped with multiunit auto-lock lug, the auto-lock recess that multiunit confession auto-lock lug was inserted and is closed is seted up at hexagon nut's top.

Preferably, the bottom of the self-locking backing ring is provided with a plurality of groups of anti-skid lugs for enhancing the friction coefficient of the self-locking backing ring, and the height of each group of anti-skid lugs is five millimeters at zero.

Preferably, the outer surface of the hexagonal nut is provided with a reinforcing insert sleeve, and the strength of the reinforcing insert sleeve is greater than that of the hexagonal nut.

Preferably, the top of the hexagonal nut is provided with an identification groove, and a grade identification is arranged inside the identification groove.

Preferably, the inner wall of the hexagonal concave hole can be slidably inserted with a protective seal, and the protective seal is made of synthetic rubber.

Preferably, the outer surfaces of the screw, the hexagonal nut, the reinforcing threaded pipe, the self-locking backing ring and the reinforcing embedding sleeve are provided with anti-corrosion coatings, and each group of anti-corrosion coatings is made of stainless steel.

(III) advantageous effects

Compared with the prior art, the utility model provides a be convenient for fasten and dismantle bolt possesses following beneficial effect:

1. this bolt convenient to fasten and dismantle through the enhancement screwed pipe, makes the device process screw rod, enhancement screwed pipe and mounted position through integral type cutter and integral type screw tap in the course of working, and the screw thread of device on fixed completion back screw rod and the enhancement screwed pipe produces fastening stress at the mounted position simultaneously, has reduced the probability that the screw thread interference appears in the mounting process of device, effectively improves the reliability of device under the prerequisite of guaranteeing fastening stress to the practicality of device has been strengthened.

2. This be convenient for fasten and dismantle bolt, through reverse thread groove, when the device appears hexagon nut inefficacy because of the corrosion, operating personnel is fixed with reverse thread groove spiral shell dress through the peripheral hardware double-screw bolt, and the screw thread of reverse thread groove inner wall is opposite with screw rod and the surperficial screw thread direction of rotation of reinforced thread pipe this moment, and the peripheral hardware double-screw bolt drives the screw rod through reverse thread groove and takes off with the reinforced thread pipe pine, has improved the convenience that the device pine takes off the in-process to the suitability of device has been strengthened.

3. This be convenient for fastening and dismantlement bolt, through the auto-lock backing ring, when the device is when often bearing reciprocating vibration, the reciprocating vibration power of mounted position turns into the pine and takes off power and transmits hexagon nut on, the auto-lock backing ring produces stronger frictional force with the mounted position under hexagon nut's extrusion this moment, simultaneously on the pine power of taking off on the hexagon nut transmits the auto-lock backing ring through auto-lock lug and auto-lock recess, the pine power of taking off on the auto-lock backing ring is offset by frictional force, the probability of the device operation in-process pine takes off has been reduced, the stability of device has been improved, thereby the practicality of device has been strengthened.

Drawings

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

fig. 2 is a front view of the structure of the present invention;

fig. 3 is a schematic diagram of the explosion of the three-dimensional structure of the present invention.

In the figure: 1. a screw; 2. a hexagonal nut; 3. hexagonal concave holes; 4. a reverse thread groove; 5. reinforcing the threaded pipe; 6. a self-locking backing ring; 7. a self-locking projection; 8. a self-locking groove; 9. an anti-slip bump; 10. reinforcing the embedded sleeve; 11. marking the groove; 12. and (5) protective sealing.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a bolt convenient to fasten and disassemble comprises a screw rod 1 and a hexagonal nut 2, the top end of the screw rod 1 is fixedly connected with the bottom of the hexagonal nut 2, the top of the hexagonal nut 2 is provided with hexagonal concave holes 3, the top of the screw rod 1 is provided with reverse thread grooves 4, through the reverse thread grooves 4, when the hexagonal nut 2 fails due to corrosion of a device, an operator is fixedly screwed with the reverse thread grooves 4 through an external stud, at the moment, threads on the inner wall of the reverse thread grooves 4 are opposite to the rotating directions of the threads on the surfaces of the screw rod 1 and a reinforcing thread pipe 5, the external stud drives the screw rod 1 and the reinforcing thread pipe 5 to be loosened through the reverse thread grooves 4, the convenience in the loosening process of the device is improved, so that the applicability of the device is enhanced, the reverse thread grooves 4 are positioned under the hexagonal concave holes 3, the outer surface of the screw rod 1 is provided with the reinforcing thread pipe 5, and through the reinforcing thread pipe 5, the device processes the screw rod 1, the reinforcing threaded pipe 5 and the mounting position through the integrated cutter and the integrated screw tap in the processing process, the threads on the screw rod 1 and the reinforcing threaded pipe 5 generate fastening stress at the mounting position simultaneously after the device is fixed, the probability of thread interference in the mounting process is reduced, and the reliability of the device is effectively improved on the premise of ensuring the fastening stress, so that the practicability of the device is enhanced, the self-locking backing ring 6 is sleeved on the outer surface of the screw rod 1 in a sliding manner, when the device frequently bears reciprocating vibration, the reciprocating vibration force of the mounting position is converted into loosening force to be transmitted to the hexagon nut 2 through the self-locking backing ring 6, at the moment, the self-locking backing ring 6 generates stronger friction force with the mounting position under the extrusion of the hexagon nut 2, and meanwhile, the loosening force on the hexagon nut 2 is transmitted to the self-locking backing ring 6 through the self-locking lug 7 and the self-locking groove 8, the loosening force on the self-locking backing ring 6 is offset by friction force, the loosening probability in the operation process of the device is reduced, and the stability of the device is improved, so that the practicability of the device is enhanced, the top of the self-locking backing ring 6 is provided with multiple groups of self-locking lugs 7, and multiple groups of self-locking grooves 8 for inserting the self-locking lugs 7 are formed in the top of the hexagonal nut 2.

The utility model discloses in, in order to improve the frictional force of auto-lock backing ring 6 with mounted position to be equipped with the skid proof block 9 that the multiunit is used for strengthening its coefficient of friction in the bottom of auto-lock backing ring 6, the height of every skid proof block 9 of group is five millimeters at zero point, thereby has improved the frictional force from auto-lock backing ring 6 with mounted position.

The utility model discloses in, for the probability that reduces device damage appears in the elasticity in-process to be provided with the enhancement that is used for strengthening its elasticity contact surface intensity at hex nut 2's surface and inlay cover 10, improved the moment of torsion upper limit that the device bore, the intensity of strengthening inlaying cover 10 is greater than hex nut 2's intensity, thereby has reduced the probability that the device damaged in the elasticity in-process.

The utility model discloses in, in order to improve the convenience of confirming device performance grade to sign recess 11 has been seted up at hexagon nut 2's top, sign recess 11's inside is provided with the grade sign that is used for representing device performance grade, makes operating personnel confirm its performance grade fast through the grade sign, thereby has improved the convenience of confirming device performance grade.

The utility model discloses in, in order to reduce the probability that hexagonal shrinkage pool 3 and reverse thread groove 4 became invalid to peg graft at the inner wall slidable of hexagonal shrinkage pool 3 and have and be used for carrying out sealed protection seal 12 to it through self high elastic characteristic, reduced hexagonal shrinkage pool 3 and reverse thread groove 4 the probability that corrosion or foreign matter got into appear, the material of protection seal 12 is synthetic rubber, thereby reduced the probability that hexagonal shrinkage pool 3 and reverse thread groove 4 became invalid.

The utility model discloses in, for extension fixture's life to all be provided with the anticorrosive coating that is used for reducing its corrosion speed at screw rod 1, hexagon nut 2, reinforcing thread pipe 5, auto-lock backing ring 6 and the surface of strengthening inlay cover 10, the material of every anticorrosive coating of group is the stainless steel, thereby has prolonged fixture's life.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When the device is used, firstly, the threads on the outer surfaces of the screw rod 1 and the reinforcing threaded pipe 5 are machined through the integrated cutter, meanwhile, the integrated screw tap matched with the surface threads of the screw rod 1 and the reinforcing threaded pipe 5 is used for tapping the device at the installation position in the machining process, the device and the installation position are fixed after machining, the threads on the screw rod 1 and the reinforcing threaded pipe 5 are simultaneously screwed with the preset threaded holes at the installation position in the fixing process, the screw rod 1 and the reinforcing threaded pipe 5 simultaneously generate fastening stress after being screwed and fixed, when the device frequently bears reciprocating vibration, the reciprocating vibration force at the installation position is converted into loosening force through the guide of the surface threads of the screw rod 1 and the reinforcing threaded pipe 5 and is transmitted to the hexagon nut 2, and at the moment, the self-locking backing ring 6 generates stronger friction force with the installation position under the extrusion of the hexagon nut 2, simultaneously, the loosening force on the hexagonal nut 2 is transmitted to the self-locking backing ring 6 through the self-locking convex block 7 and the self-locking groove 8, the loosening force on the self-locking backing ring 6 is offset by friction force, when the device fails due to the fact that the hexagonal nut 2 is corroded, an operator fixes the device with the reverse thread groove 4 through a peripheral stud, the thread on the inner wall of the reverse thread groove 4 is opposite to the thread rotating direction on the surfaces of the screw rod 1 and the reinforcing thread pipe 5, and the peripheral stud drives the screw rod 1 and the reinforcing thread pipe 5 to loosen through the reverse thread groove 4.

To sum up, this bolt convenient to fasten and dismantle, through reinforced threaded pipe 5, make the device process screw rod 1, reinforced threaded pipe 5 and mounted position through integral type cutter and integral type screw tap in the course of working, the screw thread of device on fixed completion back screw rod 1 and reinforced threaded pipe 5 produces fastening stress at the mounted position simultaneously, has reduced the probability that the screw thread interference appears in the mounting process, effectively improves the reliability of device under the prerequisite of guaranteeing fastening stress to the practicality of device has been strengthened.

This bolt is convenient for fasten and dismantle, through reverse thread groove 4, when the device appears hexagon nut 2 because of the corrosion and became invalid, operating personnel is fixed with 4 spiral shell dresses of reverse thread groove through the peripheral hardware double-screw bolt, the screw thread of 4 inner walls of reverse thread groove this moment and screw rod 1 and the 5 surperficial screw thread direction of rotation of enhancement screwed pipe are opposite, the peripheral hardware double-screw bolt drives screw rod 1 and the 5 pine of enhancement screwed pipe through reverse thread groove 4 and takes off, the convenience of device pine in-process has been improved, thereby the suitability of device has been strengthened.

This be convenient for fastening and dismantlement bolt, through auto-lock backing ring 6, when the device is when often bearing reciprocating vibration, the reciprocating vibration power of mounted position turns into the pine and takes off power and transmit hexagon nut 2 on, this moment auto-lock backing ring 6 produces stronger frictional force with the mounted position under hexagon nut 2's extrusion, simultaneously the pine on the hexagon nut 2 takes off power and transmits to auto-lock backing ring 6 through auto-lock lug 7 and auto-lock recess 8 on, the pine that auto-lock backing ring 6 was last takes off power and is offset by frictional force, the probability that the pine takes off among the device operation process has been reduced, the stability of device has been improved, thereby the practicality of device has been strengthened.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 be convenient for fasten and dismantle bolt, includes screw rod (1) and hexagon nut (2), its characterized in that: the utility model discloses a hexagonal nut (2) and screw rod, including screw rod (1), hexagonal shrinkage pool (3) have been seted up at the top of screw rod (1) and the bottom rigid coupling of hexagonal nut (2), reverse thread groove (4) have been seted up at the top of screw rod (1), reverse thread groove (4) are located hexagonal shrinkage pool (3) under, the surface of screw rod (1) is equipped with reinforced threaded pipe (5), the surface slidable cover of screw rod (1) is equipped with auto-lock backing ring (6), the top of auto-lock backing ring (6) is equipped with multiunit auto-lock lug (7), auto-lock recess (8) that multiunit confession auto-lock lug (7) were inserted and are closed are seted up at the top of hexagonal nut (2).

2. A bolt for facilitating fastening and dismounting of a bolt according to claim 1, wherein: the bottom of the self-locking backing ring (6) is provided with a plurality of groups of anti-skidding lugs (9) used for enhancing the friction coefficient of the self-locking backing ring, and the height of each group of anti-skidding lugs (9) is five millimeters at zero.

3. A bolt for facilitating fastening and dismounting of a bolt according to claim 1, wherein: the outer surface of the hexagonal nut (2) is provided with a reinforcing insert sleeve (10), and the strength of the reinforcing insert sleeve (10) is greater than that of the hexagonal nut (2).

4. A bolt for facilitating fastening and dismounting as claimed in claim 1, wherein: sign recess (11) have been seted up at the top of hexagon nut (2), the inside of sign recess (11) is provided with the grade sign.

5. A bolt for facilitating fastening and dismounting as claimed in claim 1, wherein: the inner wall of the hexagonal concave hole (3) can be slidably inserted with a protective seal (12), and the protective seal (12) is made of synthetic rubber.

6. A bolt for facilitating fastening and dismounting as claimed in claim 3, wherein: the outer surfaces of the screw rod (1), the hexagonal screw cap (2), the reinforcing threaded pipe (5), the self-locking backing ring (6) and the reinforcing insert sleeve (10) are provided with anticorrosive coatings, and each anticorrosive coating is made of stainless steel.