WO2018176437A1

WO2018176437A1 - Bolt and dedicated sleeve structure matching same

Info

Publication number: WO2018176437A1
Application number: PCT/CN2017/079224
Authority: WO
Inventors: 华健
Original assignee: 华健
Priority date: 2017-04-01
Filing date: 2017-04-01
Publication date: 2018-10-04

Abstract

Disclosed are a bolt and a dedicated sleeve structure matching same, the sleeve structure comprising: a bolt (1) having a head (11) and a rod (12), wherein several insertion grooves (13) are provided at the lower edge of the maximum outer edge of the head (11), and a thread portion (14) is provided around the peripheral edge of the rod (12); a sleeve (2) provided with a connecting hole (21) at one end thereof and provided with a sleeving hole (22) at the other end thereof, wherein the connecting hole (21) is used for having a corresponding drive end (31) of a locking and fastening tool (3)inserted therein and connecting same, the sleeving hole (22) is used for sleeving the head (11) of the bolt (1), and several elastic positioning members (23) provided in the sleeving hole (22) can extend into the several insertion grooves (13). Applying force to the locking and fastening tool (3) can drive the bolt (1) to rotate such that same is tightened or loosened, and because the appearance of the head (11) of the bolt (1) is intact and smooth, and the several insertion grooves (13) are not exposed, the rusting and corrosion of the bolt (1) can be prevented, thus providing the effects of a prolonged service life and a good usability.

Description

Bolt and sleeve structure dedicated to it

Technical field

The invention relates to the technical field of bolts and sleeves for which they are used, in particular bolts and the technical field of sleeves dedicated thereto.

Background technique

The invention relates to a bolt and a special sleeve structure matched with the same, 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 provides extended use. Life and better use.

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 on the head. A groove having a shape of a cross or a cross shape for engaging 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 lock of the object In the solid hole; however, when the bolt is turned, the point at which the locking tool contacts the bolt is a word or a cross-shaped groove, which often causes the groove to expand or deform during repeated screwing or loosening operations. It is damaged, in addition to affecting the integrity of the object that it is 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 a locking effect. In the end, it is more likely that the structure of the object will be damaged due to 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 inventors invested a lot of time to study relevant knowledge, and compared various advantages and disadvantages, carried out research and development of related products, and after many experiments and tests, finally launched "Bolts and special sets for cooperation with them. Tube structure" improved above Missing to meet the needs of the public

Summary of the invention

The main object of the present invention is to provide a bolt and a sleeve structure specially matched therewith, which has 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 service life of the bolt and the bolt It has the effect of better usability.

In order to achieve the above object, the present invention provides a bolt and a sleeve structure for cooperation therewith, comprising: a bolt having a head and a rod attached to a lower end of the head, the head being at a maximum outer edge portion thereof The lower edge is recessed with a plurality of slots, and a threaded portion is arranged around the outer circumference of the rod body. Moreover, the head has a complete circular arc surface and the plurality of slots are not exposed outward; a sleeve has one end at one end The set of holes and the other end have a set of holes for the locking tool to be inserted into the assembly with its corresponding driving end, the set hole is for the head of the bolt, and a plurality of elastic positioning members are disposed in the sleeve hole to extend into the plurality of slots; accordingly, the force of the locking tool can drive the bolt to rotate or screw or loose, and the head of the bolt The appearance is complete and smooth, and the bolts can be prevented from rusting and corroding, and the utility model has the advantages of prolonging the service life and better usability.

Preferably, 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, and the plurality of slots are disposed in the The bottom surface has a semicircular shape and is disposed in a radial direction toward the center of the circle.

Preferably, wherein the head of the bolt is oval, the head is connected to the rod in a conical shape, and the largest diameter portion of the head is exactly half of its height, and the slots are disposed at the head thereof. Half of the height is circular and is arranged radially to the center of the circle.

Preferably, wherein the bolt has three slots.

Preferably, the elastic positioning member is coupled with a spring by a circular pin, so that the pin can be telescopically actuated to correspondingly snap into or out of the slot.

Preferably, 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 has a square shape corresponding to the assembling hole.

Preferably, the locking tool is a general screwdriver, and has a driving end and a biasing end. The driving end is formed in a round rod shape, and the sleeve has a circular shape corresponding to the assembling hole.

Preferably, the head has a complete arcuate surface by providing a plurality of slots at a lower edge of the maximum outer edge portion of the bolt head, and the plurality of slots are not exposed outwardly, the head of the bolt The appearance is complete and smooth, and the bolt can be prevented from rusting and corroding, thereby solving the problem that the groove of the conventional screw is attached to the head and exposed, and it is easy to become the starting point of corrosion, causing the screw to affect the locked object due to corrosion. The appearance, as well as the breakage of the screw, can not provide a locking effect, and finally it is more likely to cause the object structure to follow the damage. Therefore, the present invention can be said to be a quite practical and progressive creation, which is quite worthy of promotion by the industry and is publicized to the public.

DRAWINGS

1A is a perspective view showing the appearance of a bolt according to a first preferred embodiment of the present invention;

Figure 1B is a plan side plan view showing the bolt of the first preferred embodiment of the present invention;

1C is a plan top view showing a bolt of a first preferred embodiment of the present invention;

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

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

Figure 3A is a perspective view showing the appearance of the sleeve of the present invention;

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

4A is a schematic view showing 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 5A is a schematic 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 the figure: bolt-1, head-11, rod body-12, slot-13, threaded portion-14, bottom surface-15, sleeve-2, sleeve hole-22, elastic positioning member-23, pin- 231, spring-232, bolt-1, 1', head-11, 11', rod body-12, 12', slot-13, 13', threaded portion-14, 14', bottom surface -15, sleeve -2, 2' grouping holes - 21, 21', sleeve holes - 22, 22', elastic positioning members -23, 23', pin -231, 231 'spring - 232, 232', locking tool - 3, 3', drive end -31, 31', force end -32, 32'.

The implementation, functional features, and advantages of the present invention will be further described in conjunction with the embodiments.

detailed description

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 shown in reference to FIG. 1 to FIG. 5 , and include a bolt 1 having a head 11 and a rod 12 connected to the lower end of the head 11 . The head 11 is recessed with a plurality of slots 13 at a lower edge of its largest outer edge portion, and a threaded portion 14 is disposed around the outer periphery of the rod body 12. Further, the head portion 11 has a complete circular arc surface and the plurality of The sleeve 13 is not exposed to the outside; a sleeve 2 has a set of holes 21 at one end and a set of holes 22 at the other end for the locking tool 3 with its corresponding driving end 31 Inserting 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 disposed in the sleeve hole 22 to extend into the plurality of slots 13; The force applied to the locking tool 3 can drive the bolt 1 to rotate or screw loosely, and the head 11 of the bolt 1 has a complete and smooth appearance, thereby avoiding rust and corrosion of the bolt 1 and providing an extended service life. And the efficacy of better usability (the foregoing is the main technical feature of the main embodiment of the present invention, which corresponds to the patent application form of the present application The purpose of the present invention is to be understood in detail in the context of the first item, and the technical features described in the remaining scope of the appended claims are The detailed description or additional technical features of the first content of the patent application scope, and not to limit the scope of the first paragraph of the patent application scope, it should be noted that the first item of the patent application scope of the present application does not necessarily include the scope of the remaining subsidiary patents. Technical characteristics).

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 A semicircular shape, as shown in FIG. 1A and B, wherein the largest 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 slot 13 is disposed on the bottom surface 15 in a semicircular shape and is disposed radially to the center of the circle. As shown in FIG. 1C, the slot 13 is represented by three, and the sleeve 2 is also provided with three elastics. The positioning member 23, as shown in FIG. 3A, can have the clamping force of the bolt 1 to rotate the bolt 1 when the bolt 1 is engaged with the sleeve 2. In the specification, the number of the slot 13 and the elastic positioning member 23 is only The preferred use state in the embodiment of the invention does not limit 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. ;

2A and B, in the 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 head portion 11' is exactly half of its height (labeled as h on the figure) (labeled as 1/2h), and the plurality of slots 13' are located at half of the height h of the head 1 /2h is circular and is arranged by radial to the center of the circle;

As shown in FIG. 3B , the elastic positioning member 23 is coupled with a spring 232 by a circular pin 231 , so that the pin 231 can be telescopically operated to correspondingly engage or withdraw from the slot 13 . 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. 21 corresponds to a square shape, and the force applying end 32 is provided for the user to hold the force and can drive the The sleeve 2 is rotated; or, as shown in FIG. 4B, the locking tool 3' is a general screwdriver, which also has a driving end 31' and a biasing end 32' for the user to hold. The sleeve 2' can be rotated by applying a force. The driving end 31' is formed in a round rod shape, and 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 FIG. 5A and B, by providing a plurality of slots 13, 13' of the bolts 1, 1' to the largest outer edge of the heads 11, 11'. At the lower edge of the portion, the head 11, 11' has a complete arcuate surface, and the plurality of slots 13, 13' are located in the semi-circular head 11 of the bolt 1 and the bottom surface 15 and are oval The bolt 1' has a half 1/2h of the height h of the head 11', so that the heads 11, 11' of the bolts 1, 1' of the present invention have a complete and smooth appearance, and a plurality of slots 13, 13' are The portions 11, 11' are blocked from being exposed to the outside, so that a plurality of slots 13, 13' can be prevented from rusting and corroding, and the objects that cause the bolts 1, 1' to be locked due to rust can be avoided (Fig. It is not shown) the appearance, and the bolts 1, 1' can be prevented from being broken or collapsed due to rust and corrosion, the locking effect cannot be provided, and finally the object structure is damaged by the corrosion, and the present invention can be solved. The bolt groove is exposed on the outer surface of the bolt's head, which easily becomes the starting point of corrosion, causing the entire bolt Following the rust, the defect of the locking function is not provided. The structure of the bolts 1 and 1' of the present invention is matched with the special sleeves 2, 2', and a plurality of elastic positioning members 23 are arranged in the sleeve holes 22, 22'. 23, 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 extend correspondingly into the plurality of slots 13 , 13', and thus pressing the springs 232, 232' which they have, generate a holding force, so that the circular pins 231, 231' are pushed forward to insert and bite the slots 13, 13' Even if the sleeves 2, 2' can clamp the heads 11, 11' of the bolts 1, 1 ', the locking tools 3, 3' are forced to act to drive the bolts 1, 1' The bolt of the present invention and the sleeve structure dedicated thereto can be tightened or screwed with the rotation, compared with the conventional one. The technical application is more in line with the practicality and progress of the public, and the above is only a preferred embodiment for explaining the present invention, and is not intended to impose any form limitation on the present invention. Any modification or alteration of the present invention made in the same spirit of creation is to be included in the scope of the present invention.

In summary, the bolts of the present invention and the sleeve structure dedicated thereto are structurally designed, practical to use, and economical, and are indeed fully in line with the development of the industry, 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.

The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformations made by the description of the invention and the drawings are directly or indirectly applied to other related The technical field is equally included in the scope of patent protection of the present invention.

Claims

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 being surrounded a threaded portion for urging a special sleeve by a locking tool, and a plurality of elastic positioning members of the sleeve projecting into the plurality of slots to drive the bolt to rotate or tighten The screw is 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 between the head and the rod body The plurality of slots are formed in a flat 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. In one half of the portion, the plurality of slots are rounded at half of the height of the head and are disposed radially to the center of the circle.
A bolt structure according to claim 2 or 3, wherein said bolt has three slots.
A bolt and a sleeve structure dedicated thereto, comprising:

a bolt 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, and a threaded portion around the outer periphery of the rod body And, in addition, the head has a complete arcuate surface and the plurality of slots are not exposed outward;

a sleeve having a set of holes at one end and a set of holes at the other end The set hole is used for the locking tool to be inserted into the assembly with the corresponding driving end, the sleeve hole is sleeved for the head of the bolt, and a plurality of elastic positioning members are arranged in the sleeve hole. Extending into the slots;

According to the force applied to the locking tool, the bolt can be driven to rotate or screw loosely, and the bolt has a complete and smooth appearance, thereby avoiding rust and corrosion of the bolt, providing an extended service life and better use. Sexual effect.
The bolt according to claim 5 and the sleeve structure specially matched therewith, wherein the elastic positioning member is coupled with a spring by a circular pin, so that the pin can be telescopically actuated to be engaged or Exit the slot.
The bolt according to claim 5, wherein the head of the bolt is semicircular, and the largest diameter portion of the head is a 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.
The bolt according to claim 6 and a sleeve structure specially matched 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.
A bolt according to any one of claims 5-8, and a sleeve structure for cooperating therewith, characterized in that: the bolt and a sleeve structure dedicated thereto, wherein the locking tool is a general wrench, The utility model has a driving end and a force applying end, wherein the driving end is formed in a square column shape, and the sleeve connecting holes are correspondingly formed in a square shape.
A bolt according to any one of claims 5-8, and a sleeve structure for cooperating therewith, characterized in that: the bolt and a sleeve structure dedicated thereto, The locking tool is a general screwdriver, which has a driving end and a biasing end. The driving end is formed in a round rod shape, and the sleeve has a circular shape corresponding to the assembling hole.