CN113530947A

CN113530947A - Fastening screw

Info

Publication number: CN113530947A
Application number: CN202110582766.5A
Authority: CN
Inventors: 赵磊; 倪井兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2021-10-22

Abstract

The invention relates to the technical field of fasteners, in particular to a fastening screw which comprises a screw body, wherein the top end and the bottom end of the screw body are respectively and fixedly provided with a rotating block and a cutting rod, the top of the screw body is provided with an oil groove, the top of the rotating block is provided with a circular groove, the oil groove is communicated with the circular groove, the screw body is provided with a plurality of circularly arranged rectangular grooves, the inner wall of one side, close to the oil groove, of the rectangular grooves is provided with a plurality of linearly arranged oil guide holes, the oil guide holes are communicated with the oil groove, the circular groove is internally threaded with a circular block, the bottom of the circular block is provided with a guide rod, the guide rod is provided with an annular block in a sliding manner, and the guide rod is provided with a baffle. The anti-rusting screw is simple to operate and convenient to use, can ensure that the anti-rusting agent can effectively flow onto the outer surface of the screw body, effectively prevents the screw body from rusting in the later period, and has a good anti-rusting effect.

Description

Fastening screw

Technical Field

The invention relates to the technical field of fasteners, in particular to a fastening screw.

Background

The fastener is a general name of a type of mechanical parts adopted when two or more parts are fastened and connected into a whole, has a wide application range, can be used for various fasteners on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, appliances, supplies and the like, and has various varieties and specifications of the conventional fasteners, and fastening screws are the most common fasteners in the workpiece connection process.

However, often can drip the rust inhibitor in the edge of screw after the screw is twisted into the work piece, thereby can play the rust-resistant effect in later stage, however, this kind of dripping mode often hardly makes during the rust inhibitor infiltrates the clearance between screw and the screw, simultaneously because can have granule impurity on the surface of screw and the screw hole internal surface, block up the rust inhibitor downward flow easily, thereby on the surface of unable comprehensive cover screw with the rust inhibitor, and then can't play rust-resistant effect, rust easily in later stage, influence the use of screw, for this reason, a fastening screw is proposed.

Disclosure of Invention

The invention aims to solve the problem that after a screw is screwed into a workpiece, a rust inhibitor often drips at the edge of the screw, so that the later-stage rust prevention effect can be achieved, however, the dripping mode is difficult to enable the rust inhibitor to seep into a gap between the screw and a screw hole, and meanwhile, the outer surface of the screw and the inner surface of a threaded hole are provided with particle impurities, so that the rust inhibitor is easy to block and flow downwards, the rust inhibitor cannot be completely covered on the outer surface of the screw, the rust prevention effect cannot be achieved, rust is easy to occur in the later stage, and the use of the screw is influenced.

In order to achieve the purpose, the invention adopts the following technical scheme: a fastening screw comprises a screw body, wherein the top end and the bottom end of the screw body are respectively and fixedly provided with a rotating block and a cutting rod, the top of the screw body is provided with an oil groove, the top of the rotating block is provided with a circular groove, the oil groove is communicated with the circular groove, the screw body is provided with a plurality of rectangular grooves which are circularly arranged, the inner wall of one side of the plurality of rectangular grooves, which is close to the oil groove, is provided with a plurality of oil guide holes which are linearly arranged, the plurality of oil guide holes are communicated with the oil groove, the round groove is internally threaded with a round block, the bottom of the round block is provided with a guide rod, the guide rod is provided with an annular block in a sliding way, the guide rod is provided with a baffle, the guide rod penetrates through the baffle and is fixedly connected with the baffle, one side, close to each other, of the baffle and the annular block is fixedly provided with the same spring, and the spring is sleeved on the guide rod in a sliding mode.

Preferably, fixed cover is equipped with first sealing washer on the annular piece, the outer wall of first sealing washer and the inner wall sliding connection of oil groove, fixed mounting has the second sealing washer on the inner wall of annular piece, the guide arm run through the second sealing washer and with the inner wall sliding connection of second sealing washer.

Preferably, the bottom of the round block is provided with a square groove, the square groove is internally provided with a square block, the bottom of the square block is provided with a rotating groove, the rotating groove is internally provided with a bearing, the outer ring of the bearing is fixedly connected with the inner wall of the rotating groove, and the guide rod penetrates through the inner ring of the bearing and is in interference fit with the inner ring of the bearing.

Preferably, the outer wall of the round block is provided with an external thread, the inner wall of the round groove is provided with an internal thread, and the internal thread is matched with the external thread.

Preferably, the top of the round block is provided with a cross groove, and the screw body is sleeved with an anti-slip nut in a threaded manner.

Preferably, the bottom end of the guide rod is fixedly provided with a limit stop.

Preferably, the cutting rod comprises two main cutting inclined edges, the two main cutting inclined edges are arranged in a central symmetry manner, and a horizontal transverse cutting edge is formed between the two main cutting inclined edges.

Preferably, the cutting rod is provided with a circular ring, the circular ring is in sliding connection with the cutting rod, the bottom of the circular ring is provided with a sharp bulge, the cutting rod is provided with a steel sheet, the bottom end of the steel sheet is soldered on the cutting rod, the other end of the steel sheet is soldered on the cutting rod through spot welding, and the bottom of the steel sheet is close to the top end of the circular ring.

Preferably, the threaded part is provided with a gasket, the section of the gasket is of an arc rotator structure, and the gasket is made of plastic.

Compared with the prior art, the invention has the beneficial effects that: when the screw body and a workpiece are fixedly connected together, the rust inhibitor can be injected into the oil groove before, then the guide rod is placed into the circular groove and the circular block is screwed into the circular groove, then the annular block always has a thrust force far away from the baffle under the pushing of the spring, so that the annular block always pushes the rust inhibitor to seep out from the plurality of oil guide holes, and the rust inhibitor is spread over gaps between the screw body and the workpiece, so that the screw body can be prevented from rusting, and the screw body is inconvenient to take down from the workpiece; the cutting rod and the threaded part are respectively provided with a circular ring, a steel sheet and a gasket, when the screw nail is arranged in a double-layer steel plate of a work shed board room, the steel plate can generate a reaction force to the circular ring to push the circular ring to break the sharp-pointed bulge of the circular ring, the steel sheet is rolled up by the thrust of the circular ring, the gasket is subjected to the resistance of a wall body to deform plastics to clamp the steel sheet, and the clamping of the steel sheet and the gasket is realized to increase the firmness and the damping effect.

The anti-rusting screw is simple to operate and convenient to use, can ensure that the anti-rusting agent can effectively flow onto the outer surface of the screw body, effectively prevents the screw body from rusting in the later period, and has a good anti-rusting effect.

Drawings

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

FIG. 2 is a front cross-sectional structural view of the present invention;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

FIG. 4 is an enlarged schematic view of portion B of FIG. 2;

FIG. 5 is a schematic structural view of a non-driven steel plate according to the present invention;

fig. 6 is a front sectional structural view of the driven steel plate of the present invention.

In the figure: 1. a screw body; 101. rotating the block; 102. a rectangular groove; 103. a cutting rod; 104. a circular groove; 105. an oil sump; 106. an oil guide hole; 107. a ring block; 108. a guide bar; 109. a baffle plate; 110. a spring; 111. a square block; 112. a round block; 2. an anti-slip nut; 113. a steel sheet; 114. a gasket; 115. a circular ring; 116. a threaded portion.

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. 1-6, the present invention provides a technical solution: a fastening screw comprises a screw body 1, wherein the top end and the bottom end of the top of the screw body 1 are respectively and fixedly provided with a rotating block 101 and a cutting rod 103, the top of the screw body 1 is provided with an oil groove 105, the top of the rotating block 101 is provided with a circular groove 104, the oil groove 105 is communicated with the circular groove 104, the screw body 1 is provided with a plurality of rectangular grooves 102 which are circularly arranged, the inner wall of one side of the plurality of rectangular grooves 102 close to the oil groove 105 is provided with a plurality of oil guide holes 106 which are linearly arranged, the plurality of oil guide holes 106 are communicated with the oil groove 105, the circular groove 104 is internally threaded with a circular block 112, the bottom of the circular block 112 is provided with a guide rod 108, an annular block 107 is slidably arranged on the guide rod 108, a baffle plate 109 is arranged on the guide rod 108, the guide rod 108 penetrates through the baffle plate 109 and is fixedly connected with the baffle plate 109, one side of the baffle plate 109 and the annular block 107 which are close to each other is fixedly provided with the same spring 110, the spring 110 is sleeved on the guide rod 108 in a sliding manner;

in this embodiment, as shown in fig. 1-4, a first sealing ring is fixedly sleeved on the annular block 107, an outer wall of the first sealing ring is slidably connected with an inner wall of the oil groove 105, a second sealing ring is fixedly installed on the inner wall of the annular block 107, and the guide rod 108 penetrates through the second sealing ring and is slidably connected with the inner wall of the second sealing ring.

The square groove has been seted up to the bottom of circle piece 112, and square inslot is equipped with square 111, and the rotation groove has been seted up to the bottom of square 111, rotates the inslot and is equipped with the bearing, the outer lane of bearing and the inner wall fixed connection who rotates the groove, guide arm 108 runs through the inner circle of bearing and is in the same place with the inner circle interference fit of bearing.

The outer wall of the round block 112 is provided with an external thread, the inner wall of the round groove 104 is provided with an internal thread, and the internal thread is matched with the external thread.

The top of the round block 112 is provided with a cross groove, and the screw body 1 is sleeved with the anti-slip nut 2 in a threaded manner.

The bottom end of the guide rod 108 is fixedly provided with a limit stop.

The cutting bar 103 includes two main cutting inclined edges that are arranged centrosymmetrically and between which a horizontal cross cutting edge is formed.

Specifically, the anti-rusting screw is simple to operate and convenient to use, can ensure that the anti-rusting agent can effectively flow to the outer surface of the screw body 1, effectively prevents the screw body 1 from rusting in the later period, and has a good anti-rusting effect.

The working principle is as follows: when the screw body 1 and a workpiece are fixedly connected together, a rust inhibitor can be injected into the oil groove 105 before, then the guide rod 108 is placed into the circular groove 104 and the circular block 112 is screwed into the circular groove 104, then under the pushing of the spring 110, the annular block 107 always has a pushing force far away from the baffle plate 109, so that the annular block 107 always pushes the rust inhibitor to seep out from the plurality of oil guide holes 106, the rust inhibitor is spread over gaps between the screw body 1 and the workpiece, the screw body 1 can be prevented from rusting, and the screw body 1 is inconvenient to take off from the workpiece.

The working principle is as follows: when the used steel sheet wall body of job's canopy board house is built in the building site, the user is when the screw nail is in the double-deck steel sheet of job's canopy board house, because the screw is equipped with ring 115 respectively at cutting rod 103 and screw thread part 116, steel sheet 113 and packing ring 114, the in-process steel sheet of nail can produce a reaction force to ring 115 and promote ring 115, make ring 115's sharp-pointed bulge department destroy the solder joint, the steel sheet receives the thrust of ring 115 to curl up and presss from both sides the steel sheet, packing ring 114 receives the resistance of wall body to take place the circular-arc steel sheet of pressing from both sides the opposite side of formation with inside plastics deformation, through the clamp of steel sheet 113 and packing ring 114, realize increasing fastness and absorbing effect.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A fastening screw comprising a screw body (1), characterized in that: the screw is characterized in that the top end and the bottom end of the screw body (1) are respectively and fixedly provided with a rotating block (101) and a cutting rod (103), the top of the screw body (1) is provided with an oil groove (105), the top of the rotating block (101) is provided with a circular groove (104), the oil groove (105) is communicated with the circular groove (104), the screw body (1) is provided with a plurality of rectangular grooves (102) which are circularly arranged, the inner wall of one side of the plurality of rectangular grooves (102) close to the oil groove (105) is provided with a plurality of oil guide holes (106) which are linearly arranged, the plurality of oil guide holes (106) are communicated with the oil groove (105), the circular groove (104) is internally connected with a circular block (112), the bottom of the circular block (112) is provided with a guide rod (108), the guide rod (108) is slidably provided with an annular block (107), and the guide rod (108) is provided with a baffle plate (109), the guide rod (108) penetrates through the baffle (109) and is fixedly connected with the baffle (109), one side, close to each other, of the baffle (109) and the annular block (107) is fixedly provided with the same spring (110), and the spring (110) is sleeved on the guide rod (108) in a sliding mode.

2. A fastening screw as claimed in claim 1, wherein: fixed cover is equipped with first sealing washer on annular piece (107), the outer wall of first sealing washer and the inner wall sliding connection of oil groove (105), fixed mounting has the second sealing washer on the inner wall of annular piece (107), guide arm (108) run through the second sealing washer and with the inner wall sliding connection of second sealing washer.

3. A fastening screw as claimed in claim 1, wherein: the bottom of circle piece (112) has been seted up square groove, square inslot is equipped with square piece (111), the rotation groove has been seted up to the bottom of square piece (111), it is equipped with the bearing to rotate the inslot, the outer lane of bearing and the inner wall fixed connection who rotates the groove, guide arm (108) run through the inner circle of bearing and with the inner circle interference fit of bearing together.

4. A fastening screw as claimed in claim 1, wherein: the outer wall of the round block (112) is provided with an external thread, the inner wall of the round groove (104) is provided with an internal thread, and the internal thread is matched with the external thread.

5. A fastening screw as claimed in claim 1, wherein: the top of the round block (112) is provided with a cross groove, and an anti-slip nut (2) is sleeved on the screw body (1) in a threaded manner.

6. A fastening screw as claimed in claim 1, wherein: and a limit stop is fixedly arranged at the bottom end of the guide rod (108).

7. A fastening screw as claimed in claim 1, wherein: the cutting rod (103) comprises two main cutting inclined edges, the two main cutting inclined edges are arranged in a central symmetry mode, and a horizontal transverse cutting edge is formed between the two main cutting inclined edges.

8. A fastening screw as claimed in claim 1, wherein: cutting rod (103) are equipped with ring (115), and ring (115) and cutting rod (103) are sliding connection, there is sharp-pointed arch ring (115) bottom, steel sheet (113) are equipped with on cutting rod (103), and the bottom tin welding of steel sheet (113) is on cutting rod (103), and the other end passes through spot welding and welds on cutting rod (103), the bottom of steel sheet (113) is close to the top of ring (115).

9. A fastening screw as claimed in claim 1, wherein: the threaded part (116) is provided with a gasket (114), the section of the gasket (114) is of an arc rotator structure, and the gasket (114) is made of plastic.