CN218000105U

CN218000105U - High-wear-resistance stretch-resistant screw

Info

Publication number: CN218000105U
Application number: CN202222109801.4U
Authority: CN
Inventors: 沈建平
Original assignee: Zhejiang Mengshi Technology Co ltd
Current assignee: Zhejiang Mengshi Technology Co ltd
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2022-12-09
Anticipated expiration: 2032-08-11

Abstract

The utility model discloses a high wear-resisting stretch-proofing screw relates to the screw field, has solved current screw and has been directly pulled out the connector easily, and the relatively poor problem of wear resistance, and the following scheme of putting forward now, and it includes double-screw bolt, nut, and the interlude of double-screw bolt lateral surface is provided with smooth section, and the upper and lower both ends of double-screw bolt are provided with the screw thread section, and the circular slot has been seted up to the up end of nut, run through in the double-screw bolt and between the circular slot seted up the spout, and slide in the spout and be provided with T type slide bar, spout inner wall downside array has seted up the through-hole, every it is provided with the cone all to slide in the through-hole, be provided with the linkage subassembly between the lower terminal surface of cone and T type slide bar, be provided with in the circular slot and draw the subassembly. The screw has the characteristics of strong external force drawing resistance, stable connection, wear resistance and durability.

Description

High-wear-resistance stretch-resistant screw

Technical Field

The utility model relates to a screw field especially relates to a high wear-resisting stretch-proofing screw.

Background

The Screw and thumb (foreign language name: screw) is a tool for fastening the parts of an object step by utilizing the physics and mathematical principles of the inclined circular rotation and friction force of the object. Screws are a common term for fasteners, a common spoken word.

However, in specific use of the existing large-size screws, particularly after the threads are screwed into a fixed object, a positioning device is not arranged, so that the screws are easy to slip, and are easy to be directly pulled out when external force is large, so that the connection stability is reduced, and the nut end exposed outside the connection object is generally iron and is easy to wear and rust in long-term use. Therefore, a high-wear-resistant tensile screw is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high abrasion stretch-proofing screw has solved current screw and has been directly pulled out the connector easily, and the relatively poor problem of wear resistance.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a high wear-resisting stretch-proofing screw, includes double-screw bolt, nut, and the interlude of double-screw bolt lateral surface is provided with smooth section, and the upper and lower both ends of double-screw bolt are provided with the screw thread section, and the circular slot has been seted up to the up end of nut, run through in the double-screw bolt and between the circular slot seted up the spout, and slide in the spout and be provided with T type slide bar, the through-hole has been seted up to spout inner wall downside array, every it is provided with the cone all to slide in the through-hole, be provided with the linkage subassembly between the lower terminal surface of cone and T type slide bar, the circular slot is provided with draws the subassembly.

Preferably, the stud and the nut are connected and integrally arranged, and the diameter of the smooth section in the middle of the stud is smaller than the diameter of the thread sections at the upper end and the lower end of the stud.

Preferably, the drawing assembly comprises a round cover, a knob, a disc and a clamping groove, the upper end of the T-shaped sliding rod extends into the round groove, the disc is fixedly connected with the extending end, the clamping groove is formed in the outer side surface array of the disc, the round cover is sleeved on the inner wall thread of the round groove, the knob is fixedly connected with the upper end face of the round cover, the knob is in a convex arc strip shape and protrudes out of the end face of the nut by 1-5mm.

Preferably, the linkage subassembly includes ring, annular, spacing post, bull stick, the fixed cover of spout inner wall downside is equipped with the ring, the annular has been seted up to the T type end lateral surface of steady T type slide bar downside, every the cone all slides and sets up in the through-hole of one side separately, the spacing post of lower inner wall fixedly connected with of spout, all rotate between the lower terminal surface of T type slide bar and each cone and be connected with the bull stick, the bull stick material is high strength alloy to and the bull stick both ends are connected through the round pin axle rotation.

Preferably, the disc is slidably arranged in the circular groove, and the nut is made of wear-resistant alloy.

Preferably, the T-shaped sliding rod is arranged in the sliding groove in a sliding mode, and the annular groove formed in the outer side face of the lower end of the T-shaped sliding rod is in interference fit with the annular ring fixedly sleeved on the lower inner wall of the sliding groove to form a clamping position.

Preferably, each through-hole all runs through the lateral surface of spout and smooth section, each the one end that the cone was kept away from each other is the toper, and slides and extend in the outside of smooth section, each the one end that the cone is close to each other all with the T type slide bar the lower extreme between rotate and be connected with the bull stick, the double-screw bolt is high strength stainless steel.

Compared with the prior art, the utility model provides a pair of high wear-resisting stretch-proofing screw has following beneficial effect:

1. the utility model provides a high wear-resisting stretch-proofing screw, upper and lower both ends lateral surface through at the double-screw bolt sets up the screw thread section respectively, and be provided with smooth section between the screw thread section of both sides, and the circular slot has been seted up in the nut of double-screw bolt upper end, and seted up the spout between the lower inner wall of circular slot and the double-screw bolt, and it is provided with T type slide bar to slide in the spout, and the extension end fixedly connected with disc of T type slide bar in the circular slot, and the draw-in groove has been seted up to the lateral surface array of disc, the inner wall upside of circular slot is still threaded sleeve and is equipped with the circular lid, and the upper end of circular lid is connected with the knob, the rotating to the circular lid has been made things convenient for, and take off the circular lid in the circular slot, and expose the disc, then can be through seting up of draw-in groove, make some collude and draw-off drawing piece can carry out the tractive through draw-in draw-groove and disc and T type slide, make T type slide bar can be in the spout from top to bottom.

2. The utility model provides a high wear-resisting stretch-proofing screw, fixed cover is equipped with the ring through the downside at the spout inner wall, and the annular has been seted up to the lateral surface of T type slide bar lower extreme, ring and annular interference fit cutting ferrule, and the through-hole has been seted up to the inner wall array under the spout, and the through-hole runs through the surface of spout and smooth section, it is provided with the cone to slide in the through-hole, and the cone rotates with the lower terminal surface of T type slide bar and is connected with the bull stick, simultaneously at the spacing post of the lower inner wall fixedly connected with of spout, after precessing the double-screw bolt into the connector like this, can be through the up end of knocking the disc, and drive T type slide bar gliding in the spout, make the T type end that is in the T type slide bar of ring upside can be through annular and the annular interference fit cutting ferrule of offering on it, and at this in-process, the lower terminal surface of T type slide bar will contradict spacing with the up end of spacing post, and promote the bull stick rotation, and drive each cone end of keeping away from each other extends in the through-hole outside and insert with the cooperation of the connecting, can be connected in the double-screw bolt fastening like this, the effectual resistance of avoiding drawing the effectual resistance of bolt, the effectual anti-wear-resisting screw nut that has resulted in the improvement, the effectual anti-wear-resisting material that has not hard up of the nut, the nut that has not hard up the wear-resisting screw nut, the exposed nut when the screw bolt, the wear-resisting material that has not hard up of the screw bolt, the effectual improvement, the screw bolt.

Drawings

Fig. 1 is a schematic structural view of a high wear-resistant stretch-resistant screw of the present invention.

Fig. 2 is a schematic view of the structure of the high wear-resistant and stretch-resistant screw according to the present invention.

Fig. 3 is a schematic sectional view of the high wear-resistant stretch-resistant screw of the present invention.

Fig. 4 is a sectional view of the structure of a high wear-resistant stretch-resistant screw according to the present invention.

Fig. 5 is an enlarged view of a portion a in fig. 4.

In the figure: 1. a stud; 2. a nut; 3. a smoothing section; 4. a threaded segment; 5. a circular groove; 6. a dome; 7. a knob; 8. a chute; 9. a T-shaped slide bar; 10. a disc; 11. a card slot; 12. a through hole; 13. a circular ring; 14. a ring groove; 15. a limiting post; 16. a cone; 17. and (4) rotating the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a high wear-resisting stretch-proofing screw, including double-screw bolt 1, nut 2, and the interlude of 1 lateral surface of double-screw bolt is provided with smooth section 3, and the upper and lower both ends of double-screw bolt 1 are provided with screw thread section 4, circular slot 5 has been seted up to the up end of nut 2, spout 8 has been seted up with running through between the circular slot 5 in the double-screw bolt 1, and slide in the spout 8 and be provided with T type slide bar 9, through-hole 12 has been seted up to spout 8 inner wall downside array, it is provided with cone 16 to all slide in every through-hole 12, be provided with the linkage subassembly between the lower terminal surface of cone 16 and T type slide bar 9, be provided with in the circular slot 5 and draw the subassembly.

The screw bolt 1 and the screw cap 2 are connected and integrally arranged, the diameter of a smooth section 3 in the middle of the screw bolt 1 is smaller than the diameter of a thread section 4 at the upper end and the lower end of the screw bolt, the drawing assembly comprises a round cover 6, a knob 7, a disc 10 and a clamping groove 11, the upper end of a T-shaped slide rod 9 extends into the round groove 5, the disc 10 is fixedly connected with the extension end, the clamping groove 11 is formed in the outer side surface array of the disc 10, the round cover 6 is sleeved on the inner wall thread of the round groove 5, the knob 7 is fixedly connected with the upper end surface of the round cover 6, the linkage assembly comprises a circular ring 13, a circular groove 14, a limiting column 15 and a rotating rod 17, a circular ring 13 is fixedly sleeved on the lower side of the inner wall of the sliding groove 8, the circular groove 14 is formed in the outer side surface of the T-shaped end of the lower side of the T-shaped slide rod 9, each cone 16 is slidably arranged in a through hole 12 on one side of each cone, the lower inner wall of the sliding groove 8 is fixedly connected with the limiting column 15, the rotating rod 17 is rotatably connected between the lower end surface of the T-shaped slide rod 9 and each cone 16, the disc 10 is slidably arranged in the round groove 5, and the screw cap 2 is made of a wear-resistant alloy.

In the embodiment, the thread sections 4 are respectively arranged on the outer side surfaces of the upper end and the lower end of the stud 1, the smooth sections 3 are arranged between the thread sections 4 on the two sides, the circular groove 5 is formed in the nut 2 at the upper end of the stud 1, the sliding groove 8 is formed between the lower inner wall of the circular groove 5 and the stud 1, the T-shaped sliding rod 9 is arranged in the sliding groove 8 in a sliding mode, the disc 10 is fixedly connected to the extending end of the T-shaped sliding rod 9 in the circular groove 5, the clamping groove 11 is formed in the outer side surface array of the disc 10, the circular cover 6 is further sleeved on the upper side of the inner wall of the circular groove 5 in a threaded mode, the knob 7 is connected to the upper end of the circular cover 6, the circular cover 6 can be rotated conveniently, the circular cover 6 is taken down in the circular groove, the disc 10 is exposed, the clamping groove 11 can be formed, and the hooking traction pieces can be pulled through the clamping groove 11, the disc 10 and the T-shaped sliding rod 9, and the T-shaped sliding rods 9 can slide up and down in the sliding groove 8.

The second embodiment: referring to fig. 1-5, based on the first embodiment, the present invention provides a technical solution: the T-shaped sliding rod 9 is arranged in the sliding groove 8 in a sliding mode, a ring groove 14 formed in the outer side face of the lower end of the T-shaped sliding rod 9 and a circular ring 13 fixedly sleeved on the lower inner wall of the sliding groove 8 are mutually in interference fit and sleeved to form clamping positions, each through hole 12 penetrates through the outer side faces of the sliding groove 8 and the smooth section 3, one end, away from each other, of each cone 16 is conical and extends to the outer side of the smooth section 3 in a sliding mode, and one end, close to each other, of each cone 16 is connected with a rotating rod 17 in a rotating mode between the lower end of the T-shaped sliding rod 9 and the other end, close to the T-shaped sliding rod 9.

In the embodiment, a circular ring 13 is fixedly sleeved and fixed on the lower side of the inner wall of the sliding chute 8, a circular groove 14 is arranged on the outer side surface of the lower end of the T-shaped sliding rod 9, the circular ring 13 is in interference fit with the circular groove 14, through holes 12 are arranged on the lower inner wall array of the sliding chute 8 and penetrate through the surfaces of the sliding chute 8 and the smooth section 3, a cone 16 is arranged in the through hole 2 in a sliding manner, the cone 16 is rotatably connected with a rotating rod 17 with the lower end surface of the T-shaped sliding rod 9, and a limit column is fixedly connected with the lower inner wall of the sliding chute 8, so that after a stud is screwed into a connector, the T-shaped sliding rod 9 can be driven to slide down in the sliding chute 8 by knocking the upper end surface of the disc 10, make the T type end of the T type slide bar 9 that is in the ring 13 upside can be through the annular 14 and the ring 13 interference fit cutting ferrule of seting up on it, and at this in-process, the lower terminal surface of T type slide bar 9 will be contradicted spacing with the up end of spacing post 15, and promote bull stick 17 to rotate, and the cone end that drives each cone 16 and keep away from each other extends in the through-hole 12 outside and with the cooperation of connector ann and insert, can be with the connection of double-screw bolt 1 fastening in the connector like this, can effectual increase is at the resistance when drawing the bolt, also the effectual not hard up that leads to of smooth silk of having avoided, the effectual tensile pulling capacity of the bolt that has improved, adopt the wear-resisting alloy material with nut 2 simultaneously, the effectual wearability that improves nut 2 outside exposing.

The working principle is as follows: when the device is installed and used, the outer side surfaces of the upper end and the lower end of the stud 1 are respectively provided with the threaded sections 4, the smooth sections 3 are arranged between the threaded sections 4 on the two sides, the nut 2 at the upper end of the stud 1 is internally provided with the circular groove 5, the sliding groove 8 is formed between the lower inner wall of the circular groove 5 and the stud 1, the T-shaped sliding rod 9 is arranged in the sliding groove 8 in a sliding manner, the extending end of the T-shaped sliding rod 9 in the circular groove 5 is fixedly connected with the disc 10, the outer side surface array of the disc 10 is provided with the clamping grooves 11, the upper side of the inner wall of the circular groove 5 is further sleeved with the circular cover 6 in a threaded manner, the upper end of the circular cover 6 is connected with the knob 7, the circular cover 6 is convenient to rotate, the circular cover 6 is taken down in the circular groove, the disc 10 is exposed, and then some hooking traction members can be pulled through the clamping grooves 11, the disc 10 and the T-shaped sliding rod 9, so that the T-shaped sliding rod 9 can slide up and down in the sliding groove 8; a circular ring 13 is fixedly sleeved and fixed on the lower side of the inner wall of a sliding chute 8, a circular groove 14 is formed in the outer side face of the lower end of a T-shaped sliding rod 9, the circular ring 13 is in interference fit with the circular groove 14, through holes 12 are formed in the lower inner wall array of the sliding chute 8 and penetrate through the surfaces of the sliding chute 8 and a smooth section 3, a cone 16 is arranged in a through hole 2 in a sliding manner, the cone 16 and the lower end face of the T-shaped sliding rod 9 are rotatably connected with a rotating rod 17, and meanwhile, a limiting column is fixedly connected to the lower inner wall of the sliding chute 8, so that after a stud is screwed into a connector, the upper end face of a disc 10 can be knocked to drive the T-shaped sliding rod 9 to slide downwards in the sliding chute 8, make the T type end of the T type slide bar 9 that is in the ring 13 upside can be through the annular 14 and the ring 13 interference fit cutting ferrule of seting up on it, and at this in-process, the lower terminal surface of T type slide bar 9 will be contradicted spacing with the up end of spacing post 15, and promote bull stick 17 to rotate, and the cone end that drives each cone 16 and keep away from each other extends in the through-hole 12 outside and with the cooperation of connector ann and insert, can be with the connection of double-screw bolt 1 fastening in the connector like this, can effectual increase is at the resistance when drawing the bolt, also the effectual not hard up that leads to of smooth silk of having avoided, the effectual tensile pulling capacity of the bolt that has improved, adopt the wear-resisting alloy material with nut 2 simultaneously, the effectual wearability that improves nut 2 outside exposing.

Claims

1. The utility model provides a high abrasion stretch-proofing screw, includes double-screw bolt (1), nut (2), and the interlude of double-screw bolt (1) lateral surface is provided with smooth section (3), and the upper and lower both ends of double-screw bolt (1) are provided with screw thread section (4), and circular slot (5) have been seted up to the up end of nut (2), its characterized in that, spout (8) have been seted up with running through between circular slot (5) in double-screw bolt (1), and slide in spout (8) and be provided with T type slide bar (9), through-hole (12), every have been seted up to spout (8) inner wall downside array the equal slip in through-hole (12) is provided with cone (16), be provided with the linkage subassembly between the lower terminal surface of cone (16) and T type slide bar (9), be provided with in circular slot (5) and draw the subassembly.

2. The high-wear-resistance stretch-proofing screw according to claim 1 is characterized in that the stud (1) and the nut (2) are connected and integrally arranged, and the diameter of the smooth section (3) in the middle of the stud (1) is smaller than that of the threaded sections (4) at the upper end and the lower end of the stud.

3. The high-wear-resistance stretch-resistant screw according to claim 2, wherein the drawing assembly comprises a circular cover (6), a knob (7), a disc (10) and a clamping groove (11), the upper end of the T-shaped sliding rod (9) extends in the circular groove (5), the disc (10) is fixedly connected to the extending end, the clamping groove (11) is formed in the outer side surface array of the disc (10), the circular cover (6) is sleeved on the inner wall thread of the circular groove (5), and the knob (7) is fixedly connected to the upper end surface of the circular cover (6).

4. The high-wear-resistance stretch-resistant screw according to claim 3, wherein the linkage component comprises a circular ring (13), an annular groove (14), a limiting column (15) and a rotating rod (17), the circular ring (13) is fixedly sleeved on the lower side of the inner wall of the sliding groove (8), the annular groove (14) is formed in the outer side surface of the T-shaped end of the lower side of the T-shaped sliding rod (9), each cone (16) is slidably arranged in the through hole (12) on one side of each cone (16), the limiting column (15) is fixedly connected to the lower inner wall of the sliding groove (8), and the rotating rod (17) is rotatably connected between the lower end surface of the T-shaped sliding rod (9) and each cone (16).

5. The screw of claim 4, wherein the disc (10) is slidably disposed in the circular groove (5), and the nut (2) is made of a wear-resistant alloy material.

6. The screw according to claim 4, wherein the T-shaped sliding rod (9) is slidably disposed in the sliding slot (8), and a ring groove (14) formed on an outer side surface of a lower end of the T-shaped sliding rod (9) and a ring (13) fixedly sleeved on a lower inner wall of the sliding slot (8) are mutually in interference fit and are sleeved with a clamping position.

7. The screw according to claim 6, wherein each of said through holes (12) extends through the outer side of the sliding slot (8) and the smooth section (3), the end of each of said cones (16) away from each other is tapered and slidably extends outside the smooth section (3), and a rotating rod (17) is rotatably connected between the end of each of said cones (16) close to each other and the lower end of the T-shaped sliding rod (9).