CN217413825U

CN217413825U - Screwdriver bit of anti-running gun and screw matched with screwdriver bit

Info

Publication number: CN217413825U
Application number: CN202221326719.0U
Authority: CN
Inventors: 许家斌
Original assignee: Suzhou Inspur Intelligent Technology Co Ltd
Current assignee: Suzhou Inspur Intelligent Technology Co Ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-09-13
Anticipated expiration: 2032-05-30

Abstract

The utility model discloses a prevent running the screwdriver bit of rifle and rather than complex screw, its structure includes the tool bit main part, prevents running rifle structure and location tooth with the screw complex, and tool bit main part tip both sides are equipped with respectively prevents running the rifle structure, prevent for two to run and be equipped with between the rifle structure with screw draw-in groove complex location gear. The screw is including preventing running the spacing seat of rifle, extrusion station and double-screw bolt, the top of extrusion station is equipped with prevents running the spacing seat of rifle, the below of extrusion station is equipped with the double-screw bolt, the roof of preventing running the spacing seat of rifle is equipped with the complex recess of pegging graft with the tool bit main part, prevents that the corresponding both sides of the spacing seat of rifle are equipped with respectively with the tool bit main part prevent that the rifle structure complex is prevented running the rifle notch. Through the cooperation use of screw with prevent running rifle screwdriver bit, can avoid current screw and the condition that the rifle is jumped to the tool bit lock attaches the in-process completely, avoid the screw cross recess to beat the flower simultaneously and increased the ability that can dismantle many times after the screw cross recess is beaten the flower, compatible strong, reduction disability rate.

Description

Screwdriver bit of anti-running gun and screw matched with screwdriver bit

Technical Field

The utility model relates to a server machine case installation field, specific prevent running screwdriver bit of rifle and rather than complex screw that says so.

Background

In the process of assembling the server and the computer product, a plurality of PCBAs or structural components are fixed on the case body through screws. The locking screws are all carried out by a manual or electric screwdriver. As the existing combined structure of the screw cap and the screwdriver head does not have the function of preventing the screwdriver head from jumping out of a straight or cross-shaped groove of the screw cap, the gun jumping refers to the fact that the screwdriver head jumps out of the straight or cross-shaped groove of the screw cap; meanwhile, the existing tool bit and screw matching structure mode easily causes the screw cap to be scratched or slipped, and the lock cannot be attached or does not have secondary disassembly capability.

Current screw and screwdriver head combination use and do not possess and prevent that the tool bit jumps the rifle, mainly have following not enoughly:

1. when the screw driver is locked, the screw driver and the screw cap need to be kept vertical, otherwise, the screw driver is easy to jump, and the tool bit is collided with a PCBA board or a structural component, so that the material is damaged and scrapped.

2. The torque of the screwdriver needs to be consistent with the torque required by the locking of the screw, and the screwdriver bit jumps after the locking is in place if the torque is too large. Causing the tool bit to hit the PCBA or the structural member, and causing the material to be damaged and scrapped.

The existing screw cap structure is a 'one' or 'cross' groove, the model of a screwdriver bit is required to be completely matched with the model of a screw, and the screw cap is easy to flower and slip when the screw is not matched and locked, so that the locking is not in place or the screw cap is not provided with a secondary disassembly type.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prevent running screwdriver bit of rifle and rather than complex screw, use through the screw with the cooperation of preventing running the rifle screwdriver bit, can avoid current screw and tool bit lock to attach the condition of in-process jump rifle completely, avoid the screw cross recess to beat the flower and increased the ability that can dismantle many times after the screw cross recess is beaten the flower simultaneously, compatible strong, reduce the disability rate.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a prevent running screwdriver bit of rifle, its structure includes the tool bit main part, prevents running rifle structure and location tooth with the screw complex, the lower extreme of tool bit main part is the platykurtic, and the tip both sides of tool bit main part platykurtic are equipped with respectively prevents running the rifle structure, prevent for two to be equipped with between the rifle structure with screw draw-in groove complex location gear.

Further, prevent running rifle structure and include boss arm and prevent jumping the boss, boss arm upper end is connected with the flat end diapire of tool bit main part, prevent jumping the boss and be connected with the lower extreme of boss arm is perpendicular.

Furthermore, the anti-jumping boss is fan-shaped.

Furthermore, the positioning teeth are in a straight line shape, and two sides of the lower part of the in-line positioning teeth are respectively chamfered.

The utility model provides a screw with screwdriver bit cooperation that prevents running rifle uses, its structure is including preventing running the spacing seat of rifle, extrusion platform and double-screw bolt, the top of extrusion platform is equipped with prevents running the spacing seat of rifle, the below of extrusion platform is equipped with the double-screw bolt, the roof of preventing running the spacing seat of rifle is equipped with the complex recess of pegging graft with the tool bit main part, prevents running the corresponding both sides of the spacing seat of rifle and is equipped with respectively with the tool bit main part prevent running rifle structure complex prevent running rifle notch.

Furthermore, the outer side edge of the anti-sliding gun limiting seat is provided with a knob edge used by matching with a wrench.

The utility model has the advantages that:

the utility model provides a screw with prevent running rifle screwdriver bit cooperation and use, can play the effect that prevents that the screwdriver bit from jumping rifle, screw cross recess and beating flower. Simultaneously the utility model provides a screw also can cooperate current screwdriver head to use. The knob edge is designed on the side edge of the screw spike anti-running gun limiting seat, a wrench or a pliers can be used for clamping the rotating edge, the clamping force is increased, and the operation is convenient. If the screw can not be detached through the screwdriver after the screw cross groove is changed into the round hole in the screw locking process, the screw can be detached by clamping the anti-running gun notch or the knob edge through pliers or other tools. The maintainability of the screw is improved and the rejection rate is reduced.

Because the screwdriver bit is provided with the anti-rifle-running structure, the boss arm of the anti-rifle-running structure is combined with the anti-jumping notch of the screw, so that the relative rotation of the screwdriver bit and the screw is prevented from causing cross-shaped groove knurling. The production first pass rate of the product is improved, and the maintenance cost is reduced.

Drawings

FIG. 1 is a schematic view of a structure of a screwdriver head of a rifle screw driver used in cooperation with a screw;

FIG. 2 is a view of the screwdriver of FIG. 1 with the screwdriver bit and screws separated;

FIG. 3 is a view of the bit structure of the screwdriver for preventing gun from slipping;

FIG. 4 is a structural view of a screw;

fig. 5 is a structural view of another angle of the screw.

In the figure:

the screwdriver comprises a screwdriver head 1, a screwdriver head body 11, a boss arm 12, an anti-jump boss 13, a straight tooth 14, a screw 2, a gun-running-preventing limiting seat 21, a stud 22, a cross groove 23, a gun-running-preventing notch 24, a knob edge 25 and a pressing table 26.

Detailed Description

The screwdriver bit of the utility model and the screw matched with the screwdriver bit will be described in detail with reference to the attached drawings.

As shown in fig. 1-3, the utility model discloses a prevent screwdriver bit of rifle that runs, including tool bit main part 11, prevent running rifle structure and location tooth with the screw complex, the lower extreme of tool bit main part is the platykurtic, and the tip both sides of tool bit main part platykurtic are equipped with respectively prevents running rifle structure, and two prevent to run and are equipped with between the rifle structure with screw draw-in groove complex location gear. The positioning teeth are straight-line-shaped teeth 14, two sides of the lower portion of each straight-line-shaped positioning tooth are respectively chamfered, the straight-line-shaped positioning teeth are convenient to smoothly insert into grooves in the screws 2, the straight-line-shaped positioning teeth and the straight-line-shaped or cross-shaped grooves can be matched for use, and the applicability is high. The screwdriver bit is arranged on a manual screwdriver or an electric screwdriver for use, and screws are rotated into a screwdriver box body through interaction with clamping grooves of a screw cap.

The anti-running gun structure comprises two groups of two ends which are respectively arranged on the straight teeth, the anti-running gun structure comprises a boss arm 12 and an anti-jumping boss 13, the upper end of the boss arm 12 is connected with the flat end bottom wall of the tool bit main body 11, and the anti-jumping boss 13 is vertically connected with the lower end of the boss arm 12. The anti-jump boss 13 is fan-shaped, and the length of the anti-jump boss is larger than that of the anti-slide gun notch 24 on the screw, so that the boss is prevented from sliding off from the notch.

The positioning teeth are in a straight line shape, two sides of the lower portion of each straight positioning tooth are respectively chamfered, and the chamfered positioning teeth are more easily inserted into grooves of screws.

As shown in fig. 4 and 5, a screw used in cooperation with a screwdriver bit of a running-preventing gun comprises a running-preventing gun limiting seat 21, an extrusion table 26 and a stud 2, wherein the running-preventing gun limiting seat 21 is arranged above the extrusion table 26, the stud 22 is arranged below the extrusion table 26, a groove matched with the bit body 11 in an inserting mode is formed in the top wall of the running-preventing gun limiting seat 21, and a running-preventing gun notch 24 matched with the running-preventing gun structure of the bit body 11 is formed in two corresponding sides of the running-preventing gun limiting seat 21 respectively.

The studs 22 are used to turn screws into the screw hole coupling structure of the cabinet. When the screw is rotated and fixed, the extrusion table on the screw presses an object to be fixed, such as a PCAB plate or a structural member, against the screw column of the case. And fastening the object to be fixed with the case body. The cross-shaped groove on the screw is used for combining the cross-shaped tool bit of the screwdriver so as to rotate the screw into the machine box body through the rotation of the screwdriver. The external dimension of the gun-sliding prevention table is larger than that of the extrusion table, and the main function of the gun-sliding prevention table is to form a notch which can prevent a cutter head from jumping the gun. The anti-gun-escaping notch is used for being combined with the anti-escaping boss of the screwdriver head, so that the screwdriver head cannot jump out of the screw cap when the screwdriver head drives the screw to rotate.

The outer side edge of the anti-running gun limiting seat is provided with a knob edge 25 used by a wrench, and the knob edge 25 is a side surface of a regular hexagon cut on the periphery of the anti-jumping boss, so that a wrench or a pliers can be used for knob operation on a screw.

The upper part of the screwdriver bit 1 is connected with a manual or electric screwdriver, and the screwdriver bit part adopts a wedge-shaped 'straight-line-shaped tooth' and a bilateral symmetrical double-anti-running gun structure. The straight-line teeth are used for being inserted into the cross-shaped grooves 23 of the screws, and when the screwdriver head rotates, the straight-line teeth 14 are inserted into the cross-shaped grooves 23 of the screwdriver head to drive the screws 2 to rotate. The anti-jump boss 13 is inserted into the anti-running gun notch 24 of the screw, and when the cutter head rotates, the convex edge of the anti-jump boss of the cutter head is clamped into the lower edge of the anti-running gun notch 24 of the screw, so that the convex edge of the cutter head is clamped by the anti-jump boss. Thereby reach and block the tool bit, make the screwdriver tool bit can not jump from the screw, play the effect that prevents the tool bit and jump the rifle. Meanwhile, the boss arm of the screwdriver head is clamped into the anti-gun-running notch of the screw, so that the interaction area of the screwdriver head and the screw is increased, and the slipping of the cross slot and the flower of the screw caused by the slipping of the screwdriver head and the cross slot of the screw are avoided.

The first embodiment is as follows: screw and anti-sliding gun bit combined for use

A. According to the type of the locking screw, a screwdriver head with a proper size is selected and installed on the screwdriver.

B. The cross groove of the screw and the anti-running gun notch are aligned with the straight teeth and the anti-jumping boss of the tool bit, and the straight teeth of the tool bit are inserted into the cross groove of the screw.

C. And locking the screw after aligning the screw thread with the screw hole.

D. After the screw is locked, the screwdriver head is rotated back, so that the anti-jump boss is aligned with the anti-jump notch, and then the screwdriver head is lifted to complete a cycle of locking work.

Example two: the screws being used in combination with wrenches or pliers

A. According to the type of the locking screw, a wrench or a flat pliers with a proper size is selected.

B. The screw-turned edge of the screw is clamped by a clamping opening of a spanner or a pliers.

C. The screw is locked by rotating a wrench or pliers after the screw thread is aligned with the screw hole.

D. After the screws are locked, the wrench or the pliers are loosened to complete a cycle of locking or disassembling.

Example three: screw cross-shaped groove patterned dismounting

In the process of locking and attaching the screw, the cross-shaped groove of the screw is often patterned into a round hole for various reasons. The screw can not be disassembled by a screwdriver or other tools due to the fact that the wall of the round hole has no clamping effect. But the screw structural design of this scheme of use, after the round hole skidded like the screw cross, the screw can be taken off to following two kinds of modes of accessible.

A. The screw is rotated down by clamping the rotating edge with a wrench or pliers.

B. Other tools are used to hold the anti-rifle notch and the screw is rotated down by rotation or tapping.

The foregoing is merely illustrative of some of the principles of the present invention and the description is not intended to limit the invention to the specific constructions and applications shown, so that all modifications and equivalents that may be utilized are within the scope of the invention.

Other technical features than those described in the specification are known to those skilled in the art.

Claims

1. The utility model provides a prevent running screwdriver bit of rifle, characterized by includes the tool bit main part, prevents with the screw complex running rifle structure and location tooth, the lower extreme of tool bit main part is the platykurtic, and the tip both sides of the platykurtic of tool bit main part are equipped with respectively prevents running the rifle structure, two prevent to be equipped with between the rifle structure with screw draw-in groove complex location gear.

2. The screwdriver bit of claim 1, wherein the slide-proof structure comprises a boss arm and a slide-proof boss, the upper end of the boss arm is connected with the bottom wall of the flat end of the bit body, and the slide-proof boss is vertically connected with the lower end of the boss arm.

3. The screwdriver bit of the run-out prevention gun as recited in claim 2, wherein the run-out prevention boss is fan-shaped.

4. The screwdriver bit of claim 1, wherein the positioning teeth are in a straight shape, and both sides of the lower portion of the straight positioning teeth are respectively chamfered.

5. A screw matched with the screwdriver bit of the run-off prevention gun according to any one of claims 1 to 4 for use is characterized by comprising a run-off prevention gun limiting seat, an extrusion platform and a stud, wherein the run-off prevention gun limiting seat is arranged above the extrusion platform, the stud is arranged below the extrusion platform, a groove matched with the bit body in an inserted manner is formed in the top wall of the run-off prevention gun limiting seat, and run-off prevention gun notches matched with the run-off prevention gun structure of the bit body are respectively formed in the two corresponding sides of the run-off prevention gun limiting seat.

6. The screw for matching with the screwdriver bit of the anti-slide gun according to claim 5, wherein the outer side edge of the limiting seat of the anti-slide gun is provided with a knob edge matched with a spanner for use.