CN216768038U

CN216768038U - Bolt with elasticity adjustable structure

Info

Publication number: CN216768038U
Application number: CN202123256143.3U
Authority: CN
Inventors: 孙梅
Original assignee: Quzhou Tianli Fasteners Co ltd
Current assignee: Quzhou Tianli Fasteners Co ltd
Priority date: 2021-12-19
Filing date: 2021-12-19
Publication date: 2022-06-17
Anticipated expiration: 2031-12-19

Abstract

The utility model relates to the field of bolts, in particular to a bolt with an elastic adjustable structure, which comprises a fastening rod, wherein an external spiral ring is arranged on the outer side of the fastening rod, a second hexagonal clamping block is arranged at the top end of the fastening rod, a built-in circular frame is arranged in the center of the inner side of the second hexagonal clamping block, an internal groove is arranged in the center of the inner side of the built-in circular frame, a sliding ball is arranged around the top end of the built-in circular frame, an auxiliary structure is arranged on the inner side of the internal groove, and clamping structures are arranged on two sides of the bottom end of the second hexagonal clamping block. This bolt with elasticity adjustable structure, when second hexagonal fixture block takes place wearing and tearing, blocks the outside of first hexagonal fixture block with the spanner, then rotates first hexagonal fixture block to the kelly and the inside groove connection of first hexagonal fixture block bottom, first hexagonal fixture block just can drive the anchorage bar like this and unscrew, and inside groove can cooperate the hexagonal spanner to rotate, has solved the problem that the spanner can't press from both sides tightly to pull after the bolt takes place wearing and tearing.

Description

Bolt with elasticity adjustable structure

Technical Field

The utility model relates to the technical field of bolts, in particular to a bolt with an elastic adjustable structure.

Background

Bolts are mechanical parts, cylindrical threaded fasteners fitted with nuts. A fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut and is used for fastening and connecting two parts with through holes. This form of connection is known as a bolted connection.

The existing bolt is often worn at a sliding wire or a screw rod clamping block when being installed or connected, the installed equipment can be loosened after the bolt is installed, and the situation that the bolt is easy to be loosened due to overlong time after the bolt is connected is very easy.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the bolt with the elastic adjustable structure, which has the advantages that the bolt can still be used continuously after being worn, and the like, and solves the problem that a wrench cannot be clamped and pulled after the bolt is worn.

In order to achieve the purpose, the utility model provides the following technical scheme: the bolt with the elastic adjustable structure comprises a fastening rod, wherein an outer spiral ring is arranged on the outer side of the fastening rod, a second hexagonal clamping block is arranged at the top end of the fastening rod, a built-in circular frame is arranged at the central position of the inner side of the second hexagonal clamping block, an inner groove is formed in the central position of the inner side of the built-in circular frame, sliding balls are arranged around the top end of the built-in circular frame, and an auxiliary structure is arranged on the inner side of the inner groove.

And clamping structures are arranged on two sides of the bottom end of the second hexagonal clamping block.

Furthermore, the auxiliary structure comprises a first hexagonal clamping block, a clamping rod is arranged in the middle of the bottom end of the first hexagonal clamping block, an inner clamping groove is formed in the center of the inner side of the first hexagonal clamping block, a threaded structure is arranged between the clamping rod and the inner groove, and the number of threads is the same.

Further, the sliding ball is not in contact with the first hexagonal clamping block, and the height of the inner groove is equal to that of the clamping rod.

Furthermore, the area of the first hexagonal fixture block is equal to the area of the second hexagonal fixture block, and the central point of the first hexagonal fixture block and the central point of the second hexagonal fixture block are on the same straight line.

Furthermore, the fastening rod is fixedly connected with the second hexagonal clamping block, and the thread structure of the inner groove is the same as that of the outer spiral ring.

Further, the clamping structure includes the gasket, the both sides of gasket bottom are provided with the notch, the inboard top of notch is provided with the spring, the top of spring is provided with the bottom block, be threaded connection between bottom block and the second hexagonal fixture block, and the central point of bottom block and the central point of notch are on same straight line.

Furthermore, the diameter of the inner side of the notch is equal to the diameter of the outer side of the spring, and the spring is connected with the notch in a clamping manner.

Further, the diameter of the gasket is larger than that of the second hexagonal clamping block, and the diameter of the inner side of the gasket is larger than that of the outer spiral ring.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this bolt with elasticity adjustable structure through first hexagonal fixture block, inside race, kelly, can block the outside of first hexagonal fixture block with the spanner when second hexagonal fixture block takes place wearing and tearing, then rotates first hexagonal fixture block to the kelly and the internal groove connection of first hexagonal fixture block bottom, first hexagonal fixture block just can drive the anchorage bar like this and unscrew, and inside race can cooperate the hexagonal spanner to rotate, has solved the bolt and has taken place the unable tight problem of pulling that presss from both sides of spanner behind the wearing and tearing.

2. This bolt with adjustable structure of elasticity, through the bottom block, a spring, the notch, the gasket, can drive the anchorage bar as second hexagonal fixture block and rotate and block into the target device, then second hexagonal fixture block extrusion bottom block, the bottom block drives the spring and compresses this moment, and the gasket is supported the compression by the target device, when the anchorage bar blocked completely, the gasket will increase the elasticity ability of anchorage bar and outer spiral ring with the spring, has solved the bolt installation time process after and has taken place not hard up problem.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of an auxiliary structure of the present invention;

FIG. 4 is a schematic top view of a second hexagonal fixture block according to the present invention;

FIG. 5 is a schematic view of a gasket structure according to the present invention.

In the figure: 1. an exo-spiro ring; 2. a fastening rod; 3. an auxiliary structure; 301. a first hexagonal fixture block; 302. an inner clamping groove; 303. a clamping rod; 4. a second hexagonal fixture block; 5. a clamping structure; 501. a bottom block; 502. a spring; 503. a notch; 504. a gasket; 6. a round frame is arranged inside; 7. an inner tank; 8. and (4) sliding the beads.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the bolt with an elastic adjustable structure in the present embodiment includes a fastening rod 2, an external spiral ring 1 is disposed outside the fastening rod 2, a second hexagonal fastening block 4 is disposed on a top end of the fastening rod 2, an internal circular frame 6 is disposed at a center of an inner side of the second hexagonal fastening block 4, an internal groove 7 is disposed at a center of an inner side of the internal circular frame 6, a sliding ball 8 is disposed around a top end of the internal circular frame 6, and an auxiliary structure 3 is disposed inside the internal groove 7.

And clamping structures 5 are arranged on two sides of the bottom end of the second hexagonal clamping block 4.

Referring to fig. 1, 2, 3 and 4, in the embodiment, the auxiliary structure 3 includes a first hexagonal block 301, a rod 303 is disposed in the middle of the bottom end of the first hexagonal block 301, an inner slot 302 is disposed in the center of the inner side of the first hexagonal block 301, and the rod 303 and the inner slot 7 are threaded.

It should be noted that, the wrench is used for clamping the outer side of the first hexagonal clamping block 301, and then the first hexagonal clamping block 301 is rotated, because the clamping rod 303 at the bottom end of the first hexagonal clamping block 301 is connected with the inner groove 7, the first hexagonal clamping block 301 can drive the fastening rod 2 to rotate after being rotated tightly, and the hexagonal wrench can drive the inner clamping groove 302 to rotate.

Referring to fig. 1, 2, 3 and 4, in the present embodiment, the sliding ball 8 is not in contact with the first hexagonal socket 301, and the height of the inner groove 7 is equal to the height of the clamping rod 303.

It should be noted that the sliding ball 8 is not in contact with the first hexagonal socket 301, so that the sliding ball 8 helps the first hexagonal socket 301 to reduce friction.

Referring to fig. 1, fig. 2, fig. 3, and fig. 4, in the present embodiment, an area of the first hexagonal socket 301 is equal to an area of the second hexagonal socket 4, and a center point of the first hexagonal socket 301 and a center point of the second hexagonal socket 4 are on the same straight line.

It should be noted that the area of the first hexagonal socket 301 is equal to the area of the second hexagonal socket 4, so that the wrench can be used uniformly.

Referring to fig. 1, 2, 3 and 4, in the embodiment, the fastening rod 2 is fixedly connected to the second hexagonal locking block 4, and the thread structure of the inner groove 7 is the same as the thread structure of the outer ring 1.

It should be noted that, the fastening rod 2 is fixedly connected with the second hexagonal locking block 4, so as to prevent the fastening rod 2 from falling off.

Referring to fig. 1, 2, and 5, in the present embodiment, the clamping structure 5 includes a gasket 504, notches 503 are disposed on two sides of a bottom end of the gasket 504, a spring 502 is disposed on a top end of an inner side of the notch 503, a bottom block 501 is disposed on a top end of the spring 502, the bottom block 501 is in threaded connection with the second hexagonal fixture block 4, and a center point of the bottom block 501 and a center point of the notch 503 are on a same straight line.

It should be noted that, the second hexagonal socket 4 is inserted into the target device and starts to press the bottom block 501, at this time, the bottom block 501 drives the spring 502 to compress, and the gasket 504 is pressed against and compressed by the target device, when the fastening rod 2 is completely clamped, the gasket 504 and the spring 502 increase the tightness between the fastening rod 2 and the outer ring 1.

Referring to fig. 1, 2 and 5, in the present embodiment, the diameter of the inner side of the notch 503 is equal to the diameter of the outer side of the spring 502, and the spring 502 is engaged with the notch 503.

It should be noted that the spring 502 is connected to the notch 503 by a snap fit, so that the spring 502 can be easily removed.

Referring to fig. 1, 2 and 5, in the present embodiment, the diameter of the spacer 504 is greater than that of the second hexagonal fixture 4, and the diameter of the inner side of the spacer 504 is greater than that of the external screw ring 1.

It should be noted that the diameter of spacer 504 is larger than the diameter of second fixture 4, so that spacer 504 can block the friction of the target device.

It can be understood that, this bolt with adjustable structure of elasticity, the utilization makes the spanner block the outside of first hexagonal fixture block 301, then rotate first hexagonal fixture block 301, because the kelly 303 and the interior groove 7 of first hexagonal fixture block 301 bottom are connected, just can drive fastening rod 2 after first hexagonal fixture block 301 rotates tightly like this, and interior draw-in groove 302 can rotate according to the hexagonal spanner, second hexagonal fixture block 4 is simultaneously because the card is gone into the target device and is begun to extrude bottom block 501, bottom block 501 drives spring 502 and compresses this moment, and gasket 504 is supported the compression by the target device, when fastening rod 2 blocked completely, gasket 504 and spring 502 will increase fastening rod 2 and the elasticity ability of outer spiral ring 1.

The working principle of the above embodiment is as follows:

when the device works, the second hexagonal fixture block 4 is clamped by using the adjustable wrench, then the second hexagonal fixture block 4 drives the fastening rod 2 and the outer spiral ring 1 to be clamped into target equipment, then the adjustable wrench drives the second hexagonal fixture block 4 to rotate, and at the moment, the second hexagonal fixture block 4 drives the fastening rod 2 and the outer spiral ring 1 to rotate and is clamped into the target equipment;

the wrench is enabled to clamp the outer side of the first hexagonal clamping block 301, then the first hexagonal clamping block 301 is rotated, and the clamping rod 303 at the bottom end of the first hexagonal clamping block 301 is connected with the inner groove 7, so that the first hexagonal clamping block 301 can drive the fastening rod 2 to rotate after being rotated tightly, and meanwhile, the hexagonal wrench can drive the inner clamping groove 302 to rotate;

the second hexagonal socket 4 is clamped into the target device and starts to press the bottom block 501, at this time, the bottom block 501 drives the spring 502 to compress, and the gasket 504 is pressed against and compressed by the target device, when the fastening rod 2 is completely clamped, the gasket 504 and the spring 502 increase the tightness between the fastening rod 2 and the external screw ring 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A bolt with an elastically adjustable structure, comprising a fastening rod (2), characterized in that: an external spiral ring (1) is arranged on the outer side of the fastening rod (2), a second hexagonal clamping block (4) is arranged at the top end of the fastening rod (2), a built-in circular frame (6) is arranged at the center of the inner side of the second hexagonal clamping block (4), an internal groove (7) is arranged at the center of the inner side of the built-in circular frame (6), a sliding ball (8) is arranged around the top end of the built-in circular frame (6), and an auxiliary structure (3) is arranged on the inner side of the internal groove (7);

and clamping structures (5) are arranged on two sides of the bottom end of the second hexagonal clamping block (4).

2. A bolt having a resiliently adjustable structure, as claimed in claim 1, wherein: the auxiliary structure (3) comprises a first hexagonal clamping block (301), a clamping rod (303) is arranged in the middle of the bottom end of the first hexagonal clamping block (301), an inner clamping groove (302) is arranged in the center of the inner side of the first hexagonal clamping block (301), a thread structure is arranged between the clamping rod (303) and the inner groove (7), and the thread number is the same.

3. A bolt having a resiliently adjustable structure, as claimed in claim 2, wherein: the sliding ball (8) is not in contact with the first hexagonal fixture block (301), and the height of the inner groove (7) is equal to that of the fixture rod (303).

4. A bolt having a resiliently adjustable structure, as claimed in claim 2, wherein: the area of the first hexagonal fixture block (301) is equal to that of the second hexagonal fixture block (4), and the central point of the first hexagonal fixture block (301) and the central point of the second hexagonal fixture block (4) are on the same straight line.

5. A bolt having a resiliently adjustable structure, as claimed in claim 1, wherein: the fastening rod (2) is fixedly connected with the second hexagonal fixture block (4), and the thread structure of the inner groove (7) is the same as that of the outer spiral ring (1).

6. A bolt having a resiliently adjustable structure, as claimed in claim 1, wherein: chucking structure (5) include gasket (504), the both sides of gasket (504) bottom are provided with notch (503), the top of notch (503) inboard is provided with spring (502), the top of spring (502) is provided with bottom block (501), be threaded connection between bottom block (501) and second hexagonal fixture block (4), and the central point of bottom block (501) and the central point of notch (503) are on same straight line.

7. A bolt having a resiliently adjustable structure, as claimed in claim 6, wherein: the diameter of the inner side of the notch (503) is equal to the diameter of the outer side of the spring (502), and the spring (502) is in clamping connection with the notch (503).

8. A bolt having a resiliently adjustable structure, as claimed in claim 6, wherein: the diameter of the gasket (504) is larger than that of the second hexagonal fixture block (4), and the diameter of the inner side of the gasket (504) is larger than that of the external spiral ring (1).