CN220037202U

CN220037202U - Portable fastener for disassembling and assembling threads

Info

Publication number: CN220037202U
Application number: CN202321686580.5U
Authority: CN
Inventors: 马光强; 施振山; 齐雄科
Original assignee: Hebei Dongshao Fastener Manufacturing Co ltd
Current assignee: Hebei Dongshao Fastener Manufacturing Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-11-17
Anticipated expiration: 2033-06-30

Abstract

The utility model discloses a portable fastener for disassembling and assembling threads, wherein a nut is fixed at one end of a long screw rod, a screwing clamping groove is formed in the middle of the nut, an inner clamping groove is formed in the middle of the screwing clamping groove, a positioning groove is formed in the edge of the nut, the other end of the long screw rod is in threaded connection with the nut, a gasket is installed on one end face of the nut, an outer clamping sleeve is sleeved outside the nut, and a clamping groove is formed in one end of the outer clamping sleeve.

Description

Portable fastener for disassembling and assembling threads

Technical Field

The utility model relates to the technical field of threaded fasteners, in particular to a portable fastener for disassembling and assembling threads.

Background

The fastener is a mechanical part which is used for fastening connection and has extremely wide application, the fastener has wide application industries including energy, electronics, electrical appliances, machinery, chemical industry, metallurgy, molds, hydraulic pressure and the like, various fasteners can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical industry, meters, articles and the like, the fastener is the most widely applied mechanical base part, and the fastener has the characteristics of various varieties and specifications, various performance purposes and extremely high standardization, serialization and generalization degrees, so that the fastener of the type of the prior national standard is called a standard fastener or simply called a standard part, and the bolt is one of the most common and most widely applied fasteners;

but the fastener of screw thread dismouting in the present market, need screw up with the help of the instrument in many cases, just can reach good fastening effect, and screw thread position also can be because of the use is not hard up, can rust outside the fastener through long-term use to the dismouting is difficult.

Disclosure of Invention

The utility model provides a convenient fastener for disassembling and assembling threads, which can effectively solve the problems that the prior art proposes a fastener for disassembling and assembling threads in the market, the fastener is required to be screwed by a tool to achieve a good fastening effect, the thread position is loosened due to use, and the exterior of the fastener is rusted after long-term use, so that the disassembly and assembly are difficult.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the portable fastener comprises a long screw, wherein a nut is fixed at one end of the long screw, a screwing clamping groove is formed in the middle of the nut, an inner clamping groove is formed in the middle of the screwing clamping groove, and a positioning groove is formed in the edge of the nut;

the other end of the long screw rod is in threaded connection with a nut, a gasket is installed on one end face of the nut, an outer clamping sleeve is sleeved outside the nut, a clamping groove is formed in one end of the outer clamping sleeve, an inner rubber strip is bonded on the inner side of the clamping groove, and an outer rubber strip is bonded on the outer side of the outer clamping sleeve;

the screw cap is characterized in that a thread groove is formed in one end of the long screw rod, far away from the position of the screw cap, a short screw rod is screwed into the thread groove, a protection barrel is fixedly connected to the outer portion of the short screw rod, and a clamping block is arranged on the outer portion of the protection barrel.

Preferably, the three positioning grooves are formed in the side parts of the screw cap at equal angles, and the positioning grooves, the screwing clamping grooves and the inner clamping grooves are communicated.

Preferably, the outer rubber strip is adhered to the outer side edge part of the outer clamping sleeve at a position far away from the clamping groove.

Preferably, the width of the clamping groove is equal to the thickness of the clamping block, and the clamping block is connected with the clamping groove in a clamping way.

Preferably, the inner diameter of the protective cylinder is equal to the outer diameter of the long screw rod, and the protective cylinder is sleeved outside the long screw rod.

Preferably, the three clamping blocks are arranged at equal angles outside the protection cylinder, the protection cylinder is clamped with the inner clamping groove, and the clamping blocks are clamped with the positioning grooves.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has scientific and reasonable structure and safe and convenient use:

through setting up nut, interior draw-in groove, constant head tank, nut, outer cutting ferrule, block groove, interior rubber strip, outer rubber strip, protective cylinder and fixture block, when threaded installation, can be through protective cylinder and fixture block and nut joint, make things convenient for the rotation of long screw rod, with outer cutting ferrule card outside the nut, and with the fixture block joint, can rotate and screw up the nut, make long screw rod and nut cooperation reach the effect of fastening, follow-up easy dismounting also can carry out the dismouting under the circumstances that does not have assembly and disassembly tools, protective cylinder protects long screw rod tip, makes long screw rod difficult corrosion, excellent in use effect.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of a protective sleeve of the present utility model;

FIG. 3 is a schematic view of the outer ferrule of the present utility model;

FIG. 4 is a schematic illustration of the engagement of the outer ferrule with the cartridge of the present utility model;

FIG. 5 is a schematic diagram illustrating the engagement of the latch and the positioning slot according to the present utility model;

reference numerals in the drawings: 1. a long screw; 2. a screw cap; 3. screwing the clamping groove; 4. an inner clamping groove; 5. a positioning groove; 6. a nut; 7. a gasket; 8. an outer ferrule; 9. a clamping groove; 10. an inner rubber strip; 11. an outer rubber strip; 12. a thread groove; 13. a short screw; 14. a protective cylinder; 15. and (5) clamping blocks.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Examples: as shown in fig. 1-4, the utility model provides a technical scheme, namely a portable fastener with threads assembled and disassembled, which comprises a long screw 1, wherein a nut 2 is fixed at one end of the long screw 1;

the other end of the long screw 1 is in threaded connection with a nut 6, a gasket 7 is installed on one end face of the nut 6, an outer clamping sleeve 8 is sleeved outside the nut 6, a clamping groove 9 is formed in one end of the outer clamping sleeve 8, an inner rubber strip 10 is bonded on the inner side of the clamping groove 9, an outer rubber strip 11 is bonded on the outer side of the outer clamping sleeve 8, and the outer rubber strip 11 is bonded on the outer side edge of the outer clamping sleeve 8 at a position far away from the clamping groove 9, so that the contact position is protected and sealed conveniently;

the screw thread groove 12 has been seted up to screw cap 2 position department in long screw rod 1 one end, screw thread groove 12 is internal to be screwed in has short screw rod 13, the outside fixedly connected with protective cylinder 14 of short screw rod 13, the internal diameter of protective cylinder 14 equals with the external diameter of long screw rod 1, protective cylinder 14 cup joints in long screw rod 1 outside, the installation of convenient protective cylinder 14, the protection to long screw rod 1 tip, the externally mounted of protective cylinder 14 has fixture block 15, three have been seted up at the outside equiangular degree of protective cylinder 14 to fixture block 15, the convenience is with the joint of block groove 9, the width and the fixture block 15 thickness of block groove 9 are equal, fixture block 15 and block groove 9 joint are connected, make things convenient for fixture block 15 joint inside block groove 9, screw up nut 6 and realize the effect of fastening.

As shown in fig. 1 and 5, the middle part of the nut 2 is provided with a screwing clamping groove 3, the middle part of the screwing clamping groove 3 is provided with an inner clamping groove 4, the protection cylinder 14 is clamped with the inner clamping groove 4, the edge part of the nut 2 is provided with a positioning groove 5, the screwing clamping groove 3 and the inner clamping groove 4 are communicated, the positioning groove 5 is provided with three parts at equal angles at the edge part of the nut 2, the clamping block 15 is clamped with the positioning groove 5, the nut 2 is clamped conveniently, the handheld position is added for the nut 2, and the long screw 1 is screwed conveniently.

The working principle and the using flow of the utility model are as follows: firstly, finding out a hole site of an object to be fastened, clamping a protection cylinder 14 in an inner clamping groove 4 of a screw cap 2, clamping a clamping block 15 in a positioning groove 5, aligning a long screw 1 with the hole site, and rotating the clamping block 15 and the protection cylinder 14 to screw the long screw 1 into the corresponding hole site;

then the nut 6 is screwed to one end of the long screw 1, the protective cylinder 14 and the clamping block 15 are removed, the outer clamping sleeve 8 is clamped outside the nut 6, the short screw 13 in the middle of the protective cylinder 14 is screwed into the threaded groove 12, the outer clamping sleeve 8 is moved to the clamping block 15, the clamping block 15 is aligned with and clamped with the clamping groove 9 of the outer clamping sleeve 8, one end of the outer clamping sleeve 8 is still sleeved outside the nut 6, at the moment, the short screw 13, the protective cylinder 14 and the clamping block 15 are screwed, the outer clamping sleeve 8 can be driven to rotate through the clamping block 15, so that the nut 6 is driven to rotate, after the nut 6 is screwed, the outer clamping sleeve 8 is moved, and the outer clamping sleeve 8 is separated from the clamping block 15;

finally, the short screw rod 13 and the protective cylinder 14 are continuously screwed, so that the protective cylinder 14 is abutted against the nut 6, the end part of the long screw rod 1 is protected through the protective cylinder 14, the outer clamping sleeve 8 is used for protecting the nut 6, the end part of the long screw rod 1 is good in sealing and protecting effects, rainwater is not easy to get into for rusting, and the nut 6 is not easy to loosen;

when the nut 6 is disassembled, the protective cylinder 14 is unscrewed firstly, the clamping groove 9 of the outer clamping sleeve 8 is aligned with the clamping block 15 and is clamped, the nut 6 can be driven to be screwed by continuously screwing the protective cylinder 14, the protective cylinder 14 and the clamping block 15 are taken down, after the protective cylinder 14 and the positioning groove 5 are clamped, the long screw 1 can be screwed, and the fastener is convenient to assemble and disassemble.

Finally, it should be noted that: the foregoing is merely a preferred example of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a portable fastener of screw thread dismouting, includes long screw rod (1), its characterized in that: a screw cap (2) is fixed at one end of the long screw rod (1), a screwing clamping groove (3) is formed in the middle of the screw cap (2), an inner clamping groove (4) is formed in the middle of the screwing clamping groove (3), and a positioning groove (5) is formed in the edge of the screw cap (2);

the novel nut is characterized in that the other end of the long screw rod (1) is in threaded connection with a nut (6), a gasket (7) is installed on one end face of the nut (6), an outer clamping sleeve (8) is sleeved outside the nut (6), a clamping groove (9) is formed in one end of the outer clamping sleeve (8), an inner rubber strip (10) is bonded on the inner side of the clamping groove (9), and an outer rubber strip (11) is bonded on the outer side of the outer clamping sleeve (8);

the screw cap is characterized in that a thread groove (12) is formed in one end of the long screw (1) away from the position of the screw cap (2), a short screw (13) is screwed into the thread groove (12), a protection barrel (14) is fixedly connected to the outer portion of the short screw (13), and a clamping block (15) is mounted on the outer portion of the protection barrel (14).

2. The portable fastener for screw thread disassembly and assembly according to claim 1, wherein three locating grooves (5) are formed at the edges of the screw cap (2) at equal angles, and the locating grooves (5), the screwing clamping grooves (3) and the inner clamping grooves (4) are communicated.

3. A screw-threaded fastening device according to claim 1, wherein the outer rubber strip (11) is adhered to the outer side edge of the outer clip (8) at a position away from the engaging groove (9).

4. The screw-thread detachable portable fastener according to claim 1, wherein the width of the clamping groove (9) is equal to the thickness of the clamping block (15), and the clamping block (15) is connected with the clamping groove (9) in a clamping manner.

5. The portable fastener for screw thread disassembly and assembly according to claim 1, wherein the inner diameter of the protective cylinder (14) is equal to the outer diameter of the long screw (1), and the protective cylinder (14) is sleeved outside the long screw (1).

6. The screw-thread detachable portable fastener according to claim 1, wherein three clamping blocks (15) are arranged at equal angles outside the protective cylinder (14), the protective cylinder (14) is clamped with the inner clamping groove (4), and the clamping blocks (15) are clamped with the positioning groove (5).