TWI614418B - Lockable rivet bolts and special wrench sleeves - Google Patents

Description

Lockable rivet bolt and its special wrench sleeve

The invention relates to a bolt and a sleeve structure specially matched therewith, in particular to a bolt whose head has a complete and smooth appearance, which can avoid the disadvantage that the bolt can not be used due to rust and corrosion of the head, and the extension is provided. The effect of service life and better usability.

Press, bolts are often used when objects and objects are locked. Most common bolts on the market include a head and a rod extending downward from the head. The outer circumference of the rod is provided with a threaded portion. The head is provided with a glyph or a cross-shaped groove for pushing a corresponding locking tool (such as a flat-blade or a cross-driver) into the groove to urge the bolt to rotate, so that the threaded portion of the bolt is screwed into the screw In the locking hole of the object; however, when the bolt is rotated, the point at which the locking tool contacts the bolt is a word or a cross-shaped groove, which often causes the groove in the repeated screwing or loosening action. Expanding the deformation or causing damage, in addition to affecting the integrity of the appearance of the object to be locked, and because the groove is exposed on the outside of the head of the bolt, it is easy to become the starting point of corrosion, causing the bolt to follow the rust and fail to provide the lock. In the end, it is more likely that the structure of the object will be damaged by the collapse of the bolt, which is more likely to threaten the safety of human life, and it is an important issue to be solved urgently.

In view of the above situation, the inventor invested a lot of time to study related Knowledge, and compare the advantages and disadvantages, carry out the research and development of related products, and after many experiments and tests, and finally launched the "bolt and the sleeve structure with which it is used together" to improve the above-mentioned missing, in order to meet the needs of the public.

The main object of the present invention is to provide a bolt having the disadvantages of avoiding rust and corrosion of the head of the bolt, and finally causing the bolt to collapse and being unusable, providing the function of extending the service life of the bolt and making the bolt more usable. .

Therefore, in order to achieve the above object and effect, the bolt of the present invention and the sleeve structure specially matched therewith comprise: a bolt having a head and a rod attached to a lower end of the head, the head being a plurality of slots are recessed at a lower edge of the largest outer edge portion, and a threaded portion is disposed around the outer periphery of the rod body. Further, the head portion has a complete circular arc surface and the plurality of slots are not exposed outward; The sleeve has a set of connecting holes at one end and a set of holes at the other end, wherein the set of holes is for inserting and locking the locking tool with its corresponding driving end, and the set of holes is available for the head of the bolt a sleeve, and a plurality of elastic positioning members are inserted into the sleeve to extend into the plurality of slots; accordingly, the force of the locking tool can drive the bolt to rotate or screw or screw loosely, and Because the bolt has a complete and smooth appearance, the bolt can be prevented from rusting and corroding, and the utility model has the advantages of prolonging the service life and better usability.

A further technical feature of the present invention is that the head of the bolt is semi-circular, and the largest diameter portion of the head is the bottom surface thereof, and the head and the rod body are connected in a straight shape with the bottom surface. A plurality of slots are formed in a semicircular shape on the bottom surface and are disposed in a radial direction toward the center of the circle.

A further technical feature of the present invention is that the head of the bolt is oval, and the head is connected to the rod in a tapered shape, and the largest diameter portion of the head is exactly half of its height, and the plurality of insertions The groove is provided in a circular shape at a half of the height of the head and is disposed radially to the center of the circle.

A further technical feature of the invention is that the bolt has three slots.

A further technical feature of the present invention is that the elastic positioning member is engaged with a spring by a circular pin, so that the pin can be telescopically actuated to correspondingly snap into or out of the slot.

A further technical feature of the present invention is that the locking tool is a general wrench having a driving end and a biasing end. The driving end is formed in a square column shape, and the sleeve is formed in a square shape correspondingly.

A further technical feature of the present invention is that the locking tool is a general screwdriver having a driving end and a biasing end. The driving end is formed in a round rod shape, and the sleeve is arranged in a circle correspondingly. shape.

In combination with the technical features described above for the present invention, it is advantageous in that the head has a complete circular arc surface by providing a plurality of slots at the lower edge of the maximum outer edge portion of the bolt head and The plurality of slots are not exposed outwards, and the head of the bolt has a complete and smooth appearance, thereby avoiding rust and corrosion of the bolt, thereby solving the problem that the groove of the conventional screw is attached to the head and exposed, and is easily corroded. The starting point causes the screw to affect the appearance of the locked object due to rust, and the screw breaks and collapses, which does not provide a locking effect, and finally leads to the structure of the object. The flaws of the damage. Therefore, the present invention can be said to be a practical and progressive creation, which is quite worthy of promotion by the industry and is publicized to the public.

1, 1'‧‧‧ bolts

11, 11' ‧ ‧ head

12, 12’‧‧‧ rods

13, 13’‧‧‧ slots

14, 14' ‧ ‧ thread department

15‧‧‧ bottom

2, 2'‧‧‧ sleeve

21, 21' ‧ ‧ set of holes

22, 22’‧‧‧ Set holes

23, 23'‧‧‧ Elastic positioning parts

231, 231’‧‧‧ pin

232, 232' ‧ ‧ spring

3, 3'‧‧‧Locking tools

31, 31’‧‧‧ drive

32, 32’‧‧‧ force end

The first figure A is a schematic view of the three-dimensional appearance of the bolt of the first preferred embodiment of the present invention.

Figure B is a schematic side elevational view of the bolt of the first preferred embodiment of the present invention.

Figure 1C is a plan view of the bolt of the first preferred embodiment of the present invention.

Figure 2A is a perspective view showing the appearance of a bolt according to a second preferred embodiment of the present invention.

Figure 2B is a schematic side elevational view of the bolt of the second preferred embodiment of the present invention.

Figure 3A is a schematic perspective view of the sleeve of the present invention.

Figure 3B is a schematic cross-sectional view of the sleeve of the present invention.

The fourth figure A is a schematic view of the use of the sleeve fitting wrench of the present invention.

Figure 4B is a schematic view showing the use of the sleeve mating screwdriver of the present invention.

Figure 5 is a cross-sectional view showing the use of the sleeve of the present invention and the bolt of the first preferred embodiment.

Figure 5B is a schematic cross-sectional view showing the use of the sleeve of the present invention and the bolt of the second preferred embodiment.

In order to clearly illustrate the above objects and effects of the present invention, the features and effects of the present invention will be described in detail with reference to the accompanying drawings. The bolt of the present invention and the sleeve structure for cooperation therewith are referred to the first to fifth figures, and include a bolt 1 having a head 11 and being attached to the head 11 One end of the rod body 12, the head portion 11 is recessed with a plurality of slots 13 at a lower edge of the outermost edge portion thereof, and a threaded portion 14 is disposed around the outer periphery of the rod body 12, and the head portion 11 is further Having a complete arc surface and the plurality of slots 13 are not exposed; a sleeve 2 having a plurality of holes 21 at one end and a set of holes 22 at the other end for the locking tool 3, the corresponding driving end 31 is inserted into the assembly, the sleeve hole 22 is sleeved for the head 11 of the bolt 1 , and a plurality of elastic positioning members 23 are inserted into the sleeve hole 22 to extend into the assembly. In the plurality of slots 13; the force applied to the locking tool 3 can drive the bolt 1 to be screwed or screwed, and the head 11 of the bolt 1 is completely round and smooth, thereby avoiding the bolt 1 being born. Rust and corrosion provide the effect of prolonging the service life and better usability (the foregoing is the main technical feature of the main embodiment of the present invention, which corresponds to the content of the first item of the patent application scope of the present invention, and the purpose and implementation of the present invention are known in detail. Type, while the technical features described in the remaining scope of the patent application are the first DETAILED DESCRIPTION contents or additional features, not to limit the scope of the patent application to define the scope of the first, the case should be known first patents do not necessarily have a range containing the remaining Subsidiary features of the scope of the patent).

It must be stated first that the term "bolt" as used in this specification includes a screw, and the description of the specification is only indicated by a bolt; however, the head 11 of the bolt 1 in the first preferred embodiment of the present invention It is semi-circular, as shown in the first figures A and B, wherein the maximum edge diameter portion of the head portion 11 is the bottom surface 15 thereof, and the head portion 11 and the rod body 12 are connected in a straight line with the bottom surface 15 The plurality of slots 13 are disposed on the bottom surface 15 in a semi-circular shape and are disposed in a radial direction toward the center of the circle. As shown in the first figure C, the slot 13 is represented by three, and the sleeve 2 is also Corresponding to three elastic positioning members 23, such as the third As shown in FIG. A, when the bolt 1 is engaged with the sleeve 2, a better clamping force can be used to drive the bolt 1 to rotate. In the specification, the number of the slot 13 and the elastic positioning member 23 is only preferred in the embodiment of the present invention. The state of use is not limited to the number of the plurality of elastic positioning members 23 corresponding to the sleeve 2 of the plurality of slots 13 of the bolt 1 of the present invention, which are indicated here; 2 and B, in a second preferred embodiment of the present invention, the head 11' of the bolt 1' is oval, and the head 11' is connected in a tapered shape between the rods 12'. The maximum diameter of the portion 11' is exactly half of its height (labeled as h on the figure) (the figure is marked as 1⁄2h), and the plurality of slots 13' are set at a half of the height h of the head 1⁄2h in a circular shape. And the arrangement is arranged from the radial direction to the center of the circle; further, as shown in the third figure B, the elastic positioning member 23 is matched with a spring 232 by a circular pin 231, so that the pin 231 can be extended and contracted to be correspondingly engaged. Or exit slot 13. For example, as shown in FIG. 4A, the locking tool 3 is a general wrench having a driving end 31 and a biasing end 32. The driving end 31 is formed in a square column shape, and the sleeve 2 is assembled. The connecting hole 21 is correspondingly formed in a square shape, and the applying end 32 is used for the user to hold the force to drive the sleeve 2 to rotate; or, as shown in the fourth figure B, the locking tool 3' is as follows. a screwdriver, which also has a driving end 31' and a biasing end 32', which can be driven by a user to apply a force to drive the sleeve 2' to rotate. The driving end 31' is formed in a round rod shape. Then, the sleeve 2' has a circular shape corresponding to the assembly hole 21'.

Referring to the above description of the present invention, please refer to the fifth diagrams A and B, by providing a plurality of slots 13, 13' of the bolts 1, 1' to the head. At the lower edge of the largest outer edge portion of the portion 11, 11', the head portion 11, 11' has a complete arcuate surface, and the plurality of slots 13, 13' are located in the head of the bolt 1 which is semicircular 11 The bottom surface 15 and the oval-shaped bolt 1' have a half height 1h2h of the head 11', so that the heads 11, 11' of the bolts 1 and 1' of the present invention have a complete and smooth appearance, and a plurality of slots 13, 13' is blocked by the heads 11, 11' and is not exposed to the outside, so that a plurality of slots 13, 13' can be prevented from rusting and corroding, and the bolts 1, 1' can be prevented from being affected by rust. The appearance of the locked object (not shown), and the bolts 1, 1' can be prevented from being broken or collapsed due to rust and corrosion, and the locking effect cannot be provided, and finally the structure of the object is damaged by the corrosion. The invention solves the problem that the conventional bolt groove is exposed on the outer surface of the head of the bolt, and is easy to become the starting point of corrosion, causing the bolt to follow the rust and fail to provide the locking effect. The structure of the bolt 1 and 1' of the present invention is Cooperate with the special sleeves 2, 2' in the sleeve holes 22, 22' There are a plurality of elastic positioning members 23, 23, and when the heads 11, 11' of the bolts 1, 1' are sleeved by the sleeve holes 22, 22', the plurality of elastic positioning members 23, 23' will be correspondingly extended. Inserting into the plurality of slots 13, 13', and thus pressing the springs 232, 232' which they have, generates a holding force, causing the circular pins 231, 231' to be pushed forward to insert and bite a plurality of slots 13, 13', even if the sleeves 2, 2' can grip the heads 11, 11' of the bolts 1, 1 ', thereby exerting force on the locking tools 3, 3' The bolts 1, 1' can be driven to be screwed or screwed, and the bolts of the present invention and the sleeve structure used therewith are more practical and progressive than the prior art. The above is only a preferred embodiment for explaining the present invention, and is not intended to limit the invention in any way, so that the invention is made in the same spirit of creation. Any modification or alteration of any other type that can be implemented and has the same effect should still be included in the scope of the present invention.

In summary, the bolts of the present invention and the sleeve structure specially used therewith are indeed in line with the development of the industry in terms of structural design, practical use and economic benefits, and the disclosed structural creation is also unprecedented in innovation. Construction, which has not been seen in any publications, and there are no similar products on the market, so its "novelty" should be considered.

1‧‧‧ bolt

11‧‧‧ head

12‧‧‧ rod body

13‧‧‧ slots

14‧‧‧Threading Department

15‧‧‧ bottom

2‧‧‧Sleeve

22‧‧‧Set holes

23‧‧‧Flexible positioning parts

231‧‧‧ pin

232‧‧ ‧ spring

Claims (10)

a bolt structure having a head and a rod attached to a lower end of the head, the head having a plurality of slots recessed at a lower edge of the largest outer edge portion thereof, the outer circumference of the rod surrounding a threaded portion is provided for driving a special sleeve by a locking tool, and a plurality of elastic positioning members of the sleeve are inserted into the plurality of slots to drive, and the bolt is driven to rotate and tighten Or loose, and the head has a complete arcuate surface and the slots are not exposed outward. A bolt structure according to claim 1, wherein the head of the bolt is semicircular, and the largest diameter portion of the head is the bottom surface thereof, and the bottom surface of the bolt and the rod body are In a straight connection, the plurality of slots are formed in a semicircular shape on the bottom surface and are disposed in a radial direction toward the center of the circle. A bolt structure according to claim 1, wherein the head of the bolt is oval, and the head is connected to the rod in a tapered shape, and the maximum diameter of the head is just the height of the head. In half, the slots are rounded at half the height of their head and are arranged radially to the center of the circle. A bolt structure according to the invention of claim 2, wherein the bolt has three slots. A bolt and a sleeve structure specially matched therewith, comprising: a bolt having a head and a rod attached to a lower end of the head, the head being recessed at a lower edge of a maximum outer edge portion thereof a plurality of slots, a threaded portion is disposed around the outer periphery of the rod body, and the head portion has a complete circular arc surface and the plurality of slots are not exposed outward; a sleeve having a plurality of holes at one end and another One end has a set of holes for the locking tool to be inserted into the corresponding driving end, and the set hole can be Providing a head sleeve of the bolt, and a plurality of elastic positioning members are disposed in the sleeve hole to extend into the plurality of slots; thereby applying a force to the locking tool can drive the bolt to rotate and tighten Or the screw is loose, and because the bolt has a complete and smooth appearance, the bolt can be prevented from rusting and corroding, and the utility model has the advantages of prolonging the service life and better usability. According to the bolt of the fifth aspect of the patent application and the sleeve structure specially matched therewith, wherein the elastic positioning member is matched with a spring by a circular pin, so that the pin can be telescopically operated to correspondingly engage or withdraw. groove. According to the bolt of the sixth aspect of the patent application and the sleeve structure specially matched therewith, wherein the head of the bolt is semicircular, and the largest diameter portion of the head is the bottom surface thereof, the head and the rod body The bottom surface is connected in a straight shape, and the plurality of slots are formed in a semicircular shape on the bottom surface and are disposed in a radial direction toward the center of the circle. According to the bolt of the sixth aspect of the patent application and the sleeve structure for cooperation therewith, wherein the head of the bolt is oval, and the head is connected to the rod in a tapered shape, and the maximum diameter of the head is The portion is exactly half of its height, and the slots are rounded at half of the height of the head and are disposed radially to the center of the circle. The bolt according to any one of the items 5 to 8 of the invention, wherein the locking tool is a general wrench having a driving end and a biasing end, the driving When the end is formed in a square column shape, the sleeve has a square shape corresponding to the assembly hole. A bolt according to any one of the items 5 to 8 of the invention, wherein the locking tool is a general screwdriver having a driving end and a biasing end, The driving end is formed in a round rod shape, then the The sleeve has a circular shape corresponding to the assembly hole.