CN213541018U

CN213541018U - Quick-release screw

Info

Publication number: CN213541018U
Application number: CN202022039795.0U
Authority: CN
Inventors: 陈雷; 王健
Original assignee: Wuxi Fandi Precision Hardware Co ltd
Current assignee: Wuxi Fandi Precision Hardware Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-06-25
Anticipated expiration: 2030-09-17

Abstract

The utility model discloses a quick-release screw, the electric iron comprises a screw rod, the last fixed surface of screw rod is connected with the nut, the last fixed surface of nut is connected with the connecting block, the connecting block is circularly, the last fixed surface of connecting block is connected with the knob, the through-hole has been seted up to the outer wall of knob, the quantity of through-hole is two sets of, the fixed surface of knob is connected with the lug, the dull polish groove has been seted up to the surface of knob, the lower surface of screw rod is seted up flutedly, the lower extreme of screw rod is the toper, the pole wall activity of screw rod has cup jointed the rubber pad, the rubber pad is located the below of nut, the quantity of lug is three groups, three groups the lug is triangular distribution. The utility model discloses, can make the screw do not need the use of tools just can realize the installation and the dismantlement of screw, improve the convenience that the screw used, improve staff's work efficiency, have the practicality.

Description

Quick-release screw

Technical Field

The utility model relates to a power adapter technical field especially relates to a quick-release screw.

Background

The screw is a tool for fastening the parts of the object step by utilizing the physics and mathematical principles of the inclined circular rotation and friction of the object. Screws are a common term for fasteners, a common spoken word. The screw is indispensable industry requisite in daily life: extremely small screws used for cameras, glasses, clocks, electronics, and the like; general screws for televisions, electric appliances, musical instruments, furniture, and the like; the screw is mainly used for connecting two workpieces together and has the fastening function.

In the screw in the prior art, the screw cap is used for fixing the bolt by a straight line shape or a cross shape and the like, and other tools such as a screwdriver or a drill bit are required to be used for operation, so that workers are difficult to disassemble and assemble the screw when no tool is available, and the convenience in use of the screw is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a quick-release screw.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a quick-release screw, includes the screw rod, the last fixed surface of screw rod is connected with the nut, the last fixed surface of nut is connected with the connecting block, the connecting block is circularly, the last fixed surface of connecting block is connected with the knob, the through-hole has been seted up to the outer wall of knob, the quantity of through-hole is two sets of, the outer fixed surface of knob is connected with the lug, the dull polish groove has been seted up to the surface of knob, the lower surface of screw rod is seted up flutedly, the lower extreme of screw rod is the toper.

Preferably, the rod wall of the screw rod is movably sleeved with a rubber pad, and the rubber pad is positioned below the screw cap.

Preferably, the number of the lugs is three, and the lugs in the three groups are distributed in a triangular shape.

Preferably, the outer surfaces of the screw and the nut are sprayed with antirust paint.

Preferably, the outer wall of the screw rod is provided with bidirectional threads, a first nut is sleeved on the rod wall above the screw rod, a second nut is sleeved on the rod wall of the screw rod and located below the first nut, and the inner walls of the first nut and the second nut are meshed with the outer wall of the screw rod.

Preferably, the rod wall of the screw rod is provided with one-way threads, the rod wall of the screw rod is sleeved with a third nut, and the inner wall of the third nut is meshed with the outer wall of the screw rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, through the arranged knob and the connecting block, the knob can be conveniently held by a worker when the screw is used, the knob can be easily rotated, the operation of the worker can be facilitated, the screw can be installed and disassembled without using tools, and the convenience of the screw is improved;

2. in the utility model, through the arranged lug and the grinding groove, the grinding groove can increase the friction force to prevent the knob from sliding when rotating, the lug can further prevent the knob from sliding, the working efficiency is prevented from being influenced by falling when in use, and the working efficiency of workers is improved;

to sum up, the utility model discloses can make the screw need not use tools just can realize the installation and the dismantlement of screw, improve the convenience that the screw used, improve staff's work efficiency.

Drawings

Fig. 1 is a schematic structural view of a quick-release screw according to the present invention;

fig. 2 is a schematic structural view of a screw rod of a quick-release screw according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a screw rod in a second embodiment of the quick release screw according to the present invention.

In the figure: 1. a screw; 2. a nut; 3. connecting blocks; 4. a knob; 5. a through hole; 6. a bump; 7. a groove; 8. a rubber pad; 9. a sanding groove; 10. bidirectional screw threads; 11. a first nut; 12. a second nut; 13. one-way threads; 14. and a third nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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.

The first embodiment is as follows:

referring to fig. 1-2, a quick-release screw, including screw rod 1, screw rod 1's last fixed surface is connected with nut 2, nut 2's last fixed surface is connected with connecting block 3, connecting block 3 is circular, connecting block 3's last fixed surface is connected with knob 4, through-hole 5 has been seted up to knob 4's outer wall, the quantity of through-hole 5 is two sets of, knob 4's outer fixed surface is connected with lug 6, lug 6 slides when can preventing rotatory knob 4, dull polish groove 9 has been seted up to knob 4's surface, dull polish groove 9 can increase frictional force, play skid-proof effect, recess 7 has been seted up to screw rod 1's lower surface, recess 7 can make things convenient for screw rod 1 to pass through the work piece, screw rod 1.

Wherein, the pole wall activity of screw rod 1 has cup jointed rubber pad 8, and rubber pad 8 is located the below of nut 2, and rubber pad 8 can make being connected between nut 2 and the work piece inseparabler, plays reinforced (rfd) effect.

Wherein, the quantity of lug 6 is three groups, and three group's lugs 6 are triangular distribution, and lug 6 can prevent to slide when rotatory knob 4, plays skid-proof effect.

Wherein, the surface of screw rod 1 and nut 2 all is sprayed with the anti-rust paint, and the anti-rust paint can prevent that the screw from rustting.

The outer wall of the screw rod 1 is provided with a bidirectional thread 10, the upper rod wall of the screw rod 1 is sleeved with a first nut 11, the rod wall of the screw rod 1 is sleeved with a second nut 12, the second nut 12 is located below the first nut 11, the inner walls of the first nut 11 and the second nut 12 are meshed with the outer wall of the screw rod 1, when the screw rod is used, the first nut 11 is firstly sleeved on the upper end of the screw rod 1 clockwise through the bidirectional thread 10, then the screw rod 1 penetrates through a workpiece, then the second nut 12 is sleeved on the screw rod 1 anticlockwise, the knob 4 is rotated, the first nut 11 and the second nut 12 move to fixedly clamp the workpiece, and if the workpiece needs to be disassembled, the operation is reversed.

Example two:

referring to fig. 1, 3, a quick-release screw, including screw rod 1, screw rod 1's last fixed surface is connected with nut 2, nut 2's last fixed surface is connected with connecting block 3, connecting block 3 is circular, connecting block 3's last fixed surface is connected with knob 4, through-hole 5 has been seted up to knob 4's outer wall, the quantity of through-hole 5 is two sets of, knob 4's outer fixed surface is connected with lug 6, lug 6 slides when can preventing rotatory knob 4, dull polish groove 9 has been seted up to knob 4's surface, dull polish groove 9 can increase frictional force, play skid-proof effect, recess 7 has been seted up to screw rod 1's lower surface, recess 7 can make things convenient for screw rod 1 to pass through the work piece, screw rod 1.

The screw is characterized in that a one-way thread 13 is formed in the rod wall of the screw 1, the third nut 14 is sleeved on the rod wall of the screw 1, the inner wall of the third nut 14 is meshed with the outer wall of the screw 1, when the screw is used, the screw 1 penetrates through a workpiece, the knob 4 is rotated, then the third nut 14 is fastened, the screw and the workpiece can be fixed, and if the screw is required to be detached, reverse operation is performed.

The working principle is as follows: when using this to use neotype, at first, run through the work piece with screw rod 1, then with first nut 11 and second nut 12 or third nut 14, cup joint in screw rod 1 outer wall, then rotatory knob 4 to fixed with the work piece, then fastening third nut 14, can make work piece and screw fixation, if need dismantle then reverse operation.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a quick-release screw, includes screw rod (1), its characterized in that, the last fixed surface of screw rod (1) is connected with nut (2), the last fixed surface of nut (2) is connected with connecting block (3), connecting block (3) are circularly, the last fixed surface of connecting block (3) is connected with knob (4), through-hole (5) have been seted up to the outer wall of knob (4), the quantity of through-hole (5) is two sets of, the outer fixed surface of knob (4) is connected with lug (6), dull polish groove (9) have been seted up to the surface of knob (4), the lower surface of screw rod (1) is seted up flutedly (7), the lower extreme of screw rod (1) is the toper.

2. The quick-release screw according to claim 1, wherein the rod wall of the screw rod (1) is movably sleeved with a rubber gasket (8), and the rubber gasket (8) is positioned below the screw cap (2).

3. The quick-release screw according to claim 1, wherein the number of the projections (6) is three, and the projections (6) of the three groups are distributed in a triangular shape.

4. The quick-release screw according to claim 1, wherein the outer surfaces of the screw rod (1) and the screw cap (2) are both coated with antirust paint.

5. The quick-release screw according to claim 1, characterized in that the outer wall of the screw (1) is provided with a bidirectional thread (10), the upper rod wall of the screw (1) is sleeved with a first nut (11), the rod wall of the screw (1) is sleeved with a second nut (12), the second nut (12) is positioned below the first nut (11), and the inner walls of the first nut (11) and the second nut (12) are meshed with the outer wall of the screw (1).

6. The quick-release screw according to claim 1, characterized in that the rod wall of the screw (1) is provided with a one-way thread (13), the rod wall of the screw (1) is sleeved with a third nut (14), and the inner wall of the third nut (14) is meshed with the outer wall of the screw (1).