CN216742363U

CN216742363U - Stable screw

Info

Publication number: CN216742363U
Application number: CN202123112009.6U
Authority: CN
Inventors: 何桂伦
Original assignee: Suzhou Chuansu Precision Hardware Co ltd
Current assignee: Suzhou Chuansu Precision Hardware Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-06-14
Anticipated expiration: 2031-12-13

Abstract

The utility model belongs to the technical field of the screw, a firm type screw is disclosed, including the screw connecting rod, the top of screw connecting rod is installed screw footstock, the cross recess has been seted up at the middle part of screw footstock, the both sides of screw footstock are equipped with the limited rotation district, be equipped with the apical ring that resets between screw footstock and the screw connecting rod, can aim at the position department of cross recess with the screwdriver, can drive the screw and rotate, and when the screwdriver size is less, can insert the tip of screwdriver from the cross recess, make the screwdriver pass the cross recess and lie in the position department of bottom recess, can make the screw cooperate different screwdrivers to use; the screw can be matched with screwdrivers of various sizes, so that the deformation of the cross-shaped groove by the screwdrivers is greatly reduced, the selective use of the cross-shaped groove and the bottom groove also prolongs the service life of the screw, and the situation that the screw cannot be taken out of the equipment is reduced.

Description

Stable screw

Technical Field

The utility model belongs to the technical field of the screw, concretely relates to firm type screw.

Background

The screw is a tool for fastening machine parts of the object step by utilizing the physics and mathematical principles of the inclined plane circular rotation and the friction force of the object, is an indispensable industrial necessity in daily life, has important tasks in industry and is one of common small parts.

The existing screw is used for multiple times, the groove at the top of the screw can deform, the screw cannot be matched with a screwdriver to work, the screw cannot be taken out, equipment cannot be disassembled, the working difficulty is increased invisibly, and the stable screw is provided for the purpose.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a firm type screw to solve the current screw that proposes among the above-mentioned background art after repetitious usage, deformation can appear in the recess at screw top, lead to with the unable cooperation work of screwdriver, lead to the screw to be unable to take out, equipment is unable to be dismantled, has increased the work degree of difficulty scheduling problem in the intangible.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a firm type screw, includes the screw connecting rod, the screw footstock is installed at the top of screw connecting rod, the cross recess has been seted up at the middle part of screw footstock, the both sides of screw footstock are equipped with the limited rotation district, be equipped with the apical ring that resets between screw footstock and the screw connecting rod, can aim at the position department of cross recess with the screwdriver, can drive the screw and rotate, and when the screwdriver size is less, can insert the tip of screwdriver from the cross recess for the screwdriver passes the position department that the cross recess is located the bottom recess, can make the different screwdrivers of screw cooperation use.

Preferably, the middle part of the reset top ring is provided with a bottom groove, the bottom groove is positioned under the cross groove, and the bottom groove and the cross groove can be matched with a screwdriver, so that the screw can be matched with screwdrivers of various sizes.

Preferably, the bottom of the screw top seat is provided with a limiting bottom ring, and the limiting bottom ring is matched with the resetting top ring for use.

Preferably, the top symmetry of top ring resets is equipped with the installed part, the mounting hole that uses with the installed part cooperation is seted up to the diapire of screw footstock. The top symmetry of the apical ring that resets is equipped with the erection column, the mounting groove that uses with the erection column cooperation is seted up to the bottom of screw footstock, and the screw footstock can be installed with the apical ring that resets, can aim at the position department of mounting hole, mounting groove with installed part, the erection column at bottom recess top, then slowly promotes the screw footstock, and the installed part can carry out the block with the mounting hole and be connected, and the erection column can be connected with mounting groove magnetism.

Preferably, the width of the bottom groove is consistent with that of the cross-shaped groove, so that the screwdriver drives the end part to penetrate through the cross-shaped groove to be connected with the bottom groove.

Preferably, the screw top seat, the limiting bottom ring, the reset top ring and the screw connecting rod are all arranged in the same circle center.

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

the middle part of the top ring that resets is equipped with the bottom recess, and the length and the width of bottom recess all are less than the length and the width of cross recess for the screw can use with the screwdriver cooperation of multiple size, thereby very big reduction the condition that the cross recess is deformed by the screwdriver, and the selective use of cross recess and bottom recess has also improved life for the screw, has reduced the condition that the screw is located equipment can't take out.

The lateral wall of screw footstock is equipped with the limited rotation district, does not have under the condition of screwdriver when the scene, can also carry out the dismantlement of screw with the help of instruments such as pliers, spanner, and the apical ring that resets can be dismantled with the screw footstock, and stability is higher simultaneously, can install or dismantle according to the user demand.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the structure of the present invention;

FIG. 3 is an exploded view of the screw top seat and the reset top ring of the present invention;

FIG. 4 is a bottom view of the top seat of the structural screw of the present invention;

in the figure: 1. a screw connecting rod; 2. a screw top seat; 21. defining a rotation zone; 22. defining a bottom ring; 23. mounting holes; 24. mounting grooves; 3. a cross-shaped groove; 4. resetting the top ring; 41. a bottom groove; 42. a mounting member; 43. and (6) mounting the column.

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. 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.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a firm type screw, including screw connecting rod 1, screw footstock 2 is installed at screw connecting rod 1's top, cross recess 3 has been seted up at screw footstock 2's middle part, the both sides of screw footstock 2 are equipped with the limited rotation district 21, be equipped with between screw footstock 2 and the screw connecting rod 1 and reset apical ring 4, can aim at cross recess 3's position department with the screwdriver, can drive the screw and rotate, and when the screwdriver size is less, can insert the tip of screwdriver in cross recess 3, make the screwdriver pass the position department that cross recess 3 is located bottom recess 41, can make the different screwdrivers of screw cooperation use.

In this embodiment, preferably, as shown in fig. 3, a bottom groove 41 is formed in the middle of the reset top ring 4, the bottom groove 41 is located right below the cross groove 3, and both the bottom groove 41 and the cross groove 3 can be used in cooperation with a screwdriver, so that the screw can be used in cooperation with screwdrivers of various sizes.

In this embodiment, preferably, as shown in fig. 2, 3 and 4, the bottom of the screw top seat 2 is provided with a limiting bottom ring 22, and the limiting bottom ring 22 is used in cooperation with the resetting top ring 4.

In this embodiment, preferably, as shown in fig. 2, 3, and 4, the top of the resetting top ring 4 is symmetrically provided with mounting pieces 42, and the bottom wall of the screw top seat 2 is provided with mounting holes 23 used in cooperation with the mounting pieces 42. The top symmetry of the apical ring 4 that resets is equipped with the erection column 43, the mounting groove 24 that uses with the cooperation of erection column 43 has been seted up to the bottom of screw footstock 2, screw footstock 2 can be installed with the apical ring 4 that resets, can aim at mounting hole 23, mounting groove 24's position department with installed part 42, the erection column 43 at bottom recess 41 top, then slowly promote screw footstock 2, installed part 42 can carry out the block with mounting hole 23 and be connected, and the erection column 43 can be connected with mounting groove 24 magnetism.

In the present embodiment, it is preferable that the width of the bottom groove 41 is the same as the width of the cross-shaped groove 3, as shown in fig. 1, 2 and 3, so that the screwdriver bit can be connected with the bottom groove 41 through the cross-shaped groove 3.

In this embodiment, preferably, as shown in fig. 1 and fig. 2, the screw top seat 2, the limiting bottom ring 22, the reset top ring 4, and the screw connecting rod 1 are all disposed at the same center.

The working principle and the using process are as follows: the screw top seat 2 and the reset top ring 4 are connected, the mounting piece 42 and the mounting column 43 at the top of the bottom groove 41 are aligned to the mounting hole 23 and the mounting groove 24, then the screw top seat 2 is slowly pushed, the mounting piece 42 and the mounting hole 23 can be clamped and connected, and the mounting column 43 can be magnetically connected with the mounting groove 24, so that the limiting bottom ring 22 is sleeved outside the reset top ring 4, the connection between the reset top ring 4 and the screw top seat 2 is very stable, meanwhile, when the screw top seat 2 is rotated, the screw top seat 2 can drive the reset top ring 4 and the screw connecting rod 1 to rotate together, then the size of the screwdriver is judged according to the use requirement, the screwdriver can be matched with the cross-shaped groove 3 and the bottom groove 41 for use, the side wall of the screw top seat 2 is provided with a limited rotating area 21, so that the screw can be detached by means of tools such as pliers, a wrench and the like under the condition that no screwdriver is arranged on site.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a firm type screw which characterized in that: including screw connecting rod (1), screw footstock (2) are installed at the top of screw connecting rod (1), cross recess (3) have been seted up at the middle part of screw footstock (2), the both sides of screw footstock (2) are equipped with the limited rotation district (21), be equipped with between screw footstock (2) and screw connecting rod (1) and reset apical ring (4).

2. A firm type screw according to claim 1, characterized in that: a bottom groove (41) is formed in the middle of the resetting top ring (4), and the bottom groove (41) is located right below the cross groove (3).

3. A firm type screw according to claim 1, characterized in that: the bottom of the screw top seat (2) is provided with a limiting bottom ring (22), and the limiting bottom ring (22) is matched with the reset top ring (4) for use.

4. A firm type screw according to claim 2, characterized in that: the top symmetry of top ring (4) resets is equipped with installed part (42), mounting hole (23) that use with installed part (42) cooperation have been seted up to the diapire of screw footstock (2).

5. A firm type screw according to claim 2 or 4, characterized in that: the top symmetry of top ring (4) resets is equipped with erection column (43), mounting groove (24) that use with erection column (43) cooperation are seted up to the bottom of screw footstock (2).

6. A firm type screw according to claim 2, characterized in that: the width of the bottom groove (41) is consistent with that of the cross groove (3).

7. A firm type screw according to claim 5, characterized in that: the screw top seat (2), the limiting bottom ring (22), the reset top ring (4) and the screw connecting rod (1) are all arranged in the same circle center.