CN220128642U - Bolt head fixer and bolt fixing system - Google Patents

Abstract

The utility model discloses a bolt head fixer and a bolt fixing system, comprising a limiting component and a fastener; the limiting component is annular, and a through hole is formed in one side of the limiting component; one end of the fastener passes through the through hole and is arranged in the limiting component; one end of the fastener arranged in the limiting component is telescopic relative to the through hole. Through adopting and being annular spacing subassembly and setting up the through-hole on spacing subassembly to and pass the one end of fastener and pass the through-hole and set up in spacing subassembly, and the head of fastener can be in spacing subassembly internal telescopic activity, make the bolt head that will treat to fix set up in spacing subassembly after, can stretch into the spacing subassembly of length adjustment in spacing subassembly through adjusting fastener, can restrict the bolt head in the spacing space that fastener and spacing subassembly formed, thereby can be applicable to the fixation of not equidimension bolt head, play effectual fixed effect, can avoid appearing the bolt and skid, screw up the condition of not tightening.

Description

Bolt head fixer and bolt fixing system

Technical Field

The utility model relates to the technical field of bolt auxiliary tools, in particular to a bolt head fixer and a bolt fixing system.

Background

In fastening parts with through holes using bolts and nuts, it is generally necessary to prepare wrenches and sockets of corresponding models. And the bolt and the nut can be fixed by fixing the bolt head through a spanner and tightening the nut through a sleeve. However, the sleeve is used for fastening the nut, so that slipping and tightening failure easily occur. And the bolt heads of different models need to be fixed by using different models of wrenches, so that the working workload is increased.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: the bolt head fixer and the bolt fixing system can adapt to bolt heads of different models to fasten the bolt heads, avoid the conditions of slipping and loosening of bolts and improve the bolt fixing efficiency.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a bolt head fixer comprises a limiting component and a fastener; the limiting component is annular, and a through hole is formed in one side of the limiting component; one end of the fastener passes through the through hole and is arranged in the limiting component; the fastener set up in one end in the spacing subassembly is scalable for the through-hole.

Further, the limiting assembly comprises a limiting strip and a fastening adjusting piece; the through hole is arranged on the fastening adjusting piece; and two ends of the limiting strip are respectively connected with two opposite ends of the fastening adjusting piece relative to the through hole to form a closed loop.

Further, the fastener is detachably connected with the fastening adjusting member.

Further, the limit bar comprises at least two chain links; the different chain sections are connected end to end, and the chain sections positioned at the head end and the tail end of the limiting strip are respectively connected with the two opposite ends of the fastening adjusting piece.

Further, the fastener includes a threaded rod; the fastening adjusting piece comprises a screw cap; the screw rod is in threaded connection with the nut.

Further, the device also comprises a torsion handle; the twist grip is disposed at an end of the screw distal from the nut.

Further, the fastener comprises a telescopic compression bar; the fixed end of the telescopic compression bar is clamped with the through hole; the movable end of the telescopic compression bar is arranged in the limiting component.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a bolt fastening system comprising a bolt head fastener as described above, and a nut fastener; the limiting part of the bolt head fixer is used for fixing the bolt head to be screwed; the nut retainer comprises a telescopic rod and a ratchet head; one end of the ratchet head is connected with the movable end of the telescopic rod; the ratchet head is used for tightening a nut.

Further, the ratchet head is a universal ratchet head; the steering end of the universal ratchet head is connected with the movable end of the telescopic rod.

Further, the device also comprises an anti-falling handle; the anti-falling handle is arranged at one end of the telescopic rod, which is far away from the ratchet head.

The utility model has the beneficial effects that: through adopting and being annular spacing subassembly and setting up the through-hole on spacing subassembly to and pass the one end of fastener and pass the through-hole and set up in spacing subassembly, and the head of fastener can be in spacing subassembly internal telescopic activity, make the bolt head that will treat to fix set up in spacing subassembly after, can stretch into the spacing subassembly of length adjustment in spacing subassembly through adjusting fastener, can restrict the bolt head in the spacing space that fastener and spacing subassembly formed, thereby can be applicable to the fixation of not equidimension bolt head, play effectual fixed effect, can avoid appearing the bolt and skid, screw up the condition of not tightening.

Drawings

FIG. 1 is a schematic view of a bolt head holder according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a nut retainer according to an embodiment of the present utility model;

fig. 3 is an enlarged view of the structure of the portion a of fig. 1;

description of the reference numerals:

1. a bolt head holder; 11. a limit component; 111. a limit bar; 1111. a chain section; 112. fastening the adjusting piece; 12. a fastener; 13. twisting the handle;

2. a nut retainer; 21. a telescopic rod; 22. a ratchet head; 23. an anti-drop handle; 3. a bolt head.

Detailed Description

In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.

The bolt head fixator and the bolt fixing system of the embodiment can be suitable for tightening operations between mechanical parts, such as tightening bolts and nuts, and the following description is made by specific embodiments:

example 1

Referring to fig. 1, a bolt head holder 1 includes a limiting assembly 11 and a fastener 12; the limiting component 11 is annular, and a through hole is formed in one side of the limiting component 11; one end of the fastener 12 passes through the through hole and is arranged in the limiting component 11; one end of the fastener 12, which is arranged in the limiting component 11, is telescopic relative to the through hole; wherein, the limiting component 11 comprises a limiting strip 111 and a fastening adjusting piece 112; the through hole is arranged on the fastening adjusting piece 112; two ends of the limiting strip 111 are respectively connected with two opposite ends of the fastening adjusting piece 112 relative to the through hole to form a closed loop; by adopting the limiting strip 111 and the fastening adjusting piece 112 to form the limiting assembly, the characteristic that the limiting strip 111 can flexibly move is utilized, so that the limiting strip 111 can be attached to bolt heads of different sizes, and after the head of the fastening piece 12 is abutted to the bolt head to be fixed, two ends of the limiting strip 111 are tensioned under the action of the fastening adjusting piece 112, so that the bolt head to be fixed can be effectively fixed. And, the fastener 12 is detachably connected to the fastening adjuster 112, specifically:

referring to fig. 3, the fastening adjusting member 112 is a nut, and the fastening member 12 is a screw; the screw rod is in threaded connection with the screw cap, the screw rod is adopted as the fastening piece 12, the screw cap is adopted as the fastening adjusting piece 112, and the telescopic effect of the fastening piece and the detachable effect can be realized through threaded fit between the screw rod and the screw cap; in order to more conveniently adjust the telescopic distance of the screw rod, one end of the screw rod, which is far away from the screw cap, is also provided with a torsion handle 13, and a technician can rotate the screw rod more conveniently and in a labor-saving manner by arranging the torsion handle 13 at one end of the screw rod, so that the length of the screw rod, which extends into the limiting component, is adjusted, and the screw bolt head to be fixed is effectively fixed; meanwhile, if the screw rod is required to be automatically controlled to stretch out and draw back, a motor and a corresponding structural member can be arranged at one end, far away from the screw rod, of the torsion handle 13, so that the motor can drive the screw rod to rotate forwards and reversely through the structural member, and the stretch out and draw back control of the screw rod is more convenient to achieve. In another alternative embodiment, the fastener 12 comprises a telescopic strut; the fixed end of the telescopic compression bar is clamped with the through hole; the movable end of the telescopic compression bar is arranged in the limiting component 11, and the bolt head 3 to be fixed is pressed by the telescopic action of the telescopic compression bar.

In an alternative embodiment, in order to enhance the fastening effect of the fastening member 12 on the bolt head 3, rubber pads may be disposed on the pressing portion of the screw rod and the pressing portion of the telescopic compression rod, so as to increase the friction force between the pressing surface of the fastening member 12 and the bolt head 3.

In an alternative embodiment, the stop bar 111 includes at least two chain links 1111; different chain sections 1111 are connected end to end, and the chain sections 1111 at the head end and the tail end of the limiting strip 111 are respectively connected with two opposite ends of the fastening adjusting piece 112, and the limiting strip 111 is formed by a plurality of groups of chain sections 1111, so that the length of the limiting strip 111 can be changed by adjusting the number of the chain sections 1111, and the maintenance of the limiting strip 111 can be conveniently performed. In another alternative embodiment, the limiting bar 111 may also use a rope to limit, and may be provided with rubber pads at intervals on the inner side of the rope, so as to improve the fixing effect of the rope on the bolt head 3 under the condition of ensuring mobility of the rope; the rubber pads are sequentially arranged at two ends along the middle section of the rope; since the middle section of the rope is the main part of the fixing bolt head 3, the fixing effect can be more effectively achieved by providing the rubber pad in the above-described manner.

Referring to fig. 2, a bolt fastening system includes the bolt head fastener 1 and a nut fastener 2; the limiting part of the bolt head fixer 1 is used for fixing a bolt head 3 to be screwed; the nut retainer 2 includes a telescoping rod 21, a ratchet head 22, and a slip-off prevention handle 23; one end of the ratchet head 22 is connected with the movable end of the telescopic rod 21; the ratchet head 22 is used for tightening a nut; wherein the ratchet head 22 is a universal ratchet head 22; the turning end of the universal ratchet head 22 is connected with the movable end of the telescopic rod 21, and the universal ratchet head 22 is adopted to enable the ratchet head 22 to turn at multiple angles, so that the effect of screwing the bolt and the nut is achieved in different screwing scenes; the anti-falling handle 23 is arranged at one end of the telescopic rod 21 far away from the ratchet head 22, and the anti-falling handle 23 is additionally arranged, so that the nut fixer is not easy to fall off in the process of screwing the nut by using the nut fixer, and the safety of the working process is improved; wherein, the ratchet head 22 is also provided with a spring button and a release button for being matched with the sleeve to screw the nut.

The concrete principle of the bolt fixing system is as follows:

the bolt head 3 is fixed by the bolt head fixer 1, specifically: after the limiting component 11 is sleeved on the outer side of the bolt head 3 to be fixed, the torsional handle 13 controls the fastener 12 to move towards the position of the bolt head 3 to be fixed, so that the bolt head 3 to be fixed is clamped through the fastener 12, and meanwhile, the limiting strip 111 is also tensioned by the fastening adjusting piece 112, so that the bolt head 3 to be fixed is clamped; after the fixing of the bolt head 3 is completed, the nut fixer 2 is combined with the sleeve, and the nut is screwed down after the telescopic rod 21 and the ratchet head 22 are adjusted to be proper in length and angle, so that the fixing of the bolt and the nut is realized.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.

Claims (10)

1. The bolt head fixer is characterized by comprising a limiting component and a fastener;

the limiting component is annular, and a through hole is formed in one side of the limiting component;

one end of the fastener passes through the through hole and is arranged in the limiting component;

the fastener set up in one end in the spacing subassembly is scalable for the through-hole.

2. A bolt head holder according to claim 1, wherein the limit assembly comprises a limit bar and a tightening adjustment member;

the through hole is arranged on the fastening adjusting piece;

and two ends of the limiting strip are respectively connected with two opposite ends of the fastening adjusting piece relative to the through hole to form a closed loop.

3. A bolt head holder according to claim 2, wherein the fastener is detachably connected to the fastening adjuster.

4. A bolt head holder according to claim 2, wherein the stop bar comprises at least two chain links;

the different chain sections are connected end to end, and the chain sections positioned at the head end and the tail end of the limiting strip are respectively connected with the two opposite ends of the fastening adjusting piece.

5. A bolt head holder according to claim 2, 3 or 4, wherein the fastener comprises a threaded rod;

the fastening adjusting piece comprises a screw cap;

the screw rod is in threaded connection with the nut.

6. The bolt head holder of claim 5, further comprising a twist grip;

the twist grip is disposed at an end of the screw distal from the nut.

7. A bolt head holder according to claim 1, wherein the fastener comprises a telescopic strut;

the fixed end of the telescopic compression bar is clamped with the through hole;

the movable end of the telescopic compression bar is arranged in the limiting component.

8. A bolt fastening system comprising a bolt head fastener of any one of claims 1-7, and a nut fastener;

the limiting part of the bolt head fixer is used for fixing the bolt head to be screwed;

the nut retainer comprises a telescopic rod and a ratchet head; one end of the ratchet head is connected with the movable end of the telescopic rod; the ratchet head is used for tightening a nut.

9. The bolt-fastening system of claim 8, wherein the ratchet head is a universal ratchet head;

the steering end of the universal ratchet head is connected with the movable end of the telescopic rod.

10. The bolting system of claim 8, further comprising an anti-slip handle;

the anti-falling handle is arranged at one end of the telescopic rod, which is far away from the ratchet head.