CN219623045U

CN219623045U - Screw convenient to detach

Info

Publication number: CN219623045U
Application number: CN202320401460.XU
Authority: CN
Inventors: 李志君
Original assignee: Shenzhen Jinlijia Hardware Precision Technology Co ltd
Current assignee: Shenzhen Jinlijia Hardware Precision Technology Co ltd
Priority date: 2023-02-25
Filing date: 2023-02-25
Publication date: 2023-09-01
Anticipated expiration: 2033-02-25

Abstract

The utility model belongs to the field of hardware accessories, and particularly relates to a screw convenient to detach, which solves the problems of inconvenience in screw detachment and poor protection in the prior art.

Description

Screw convenient to detach

Technical Field

The utility model relates to the technical field of hardware fittings, in particular to a screw convenient to detach.

Background

At present, screws are tools for progressively tightening a work of a fastener by using the physical and mathematical principles of the circular rotation of an inclined plane and friction force of an object. Screws are a common way of speaking fasteners, daily spoken words. Screws are an indispensable industrial necessity in daily life: very small screws for use in cameras, spectacles, watches, electronics, etc.; general screws for televisions, electrical products, musical instruments, furniture, and the like; as for engineering, construction and bridge, large-scale screws and nuts are used; traffic tools, airplanes, electric cars, automobiles and the like are used together by the large screws and the small screws. Screws are an important task in industry, and as long as industry exists on earth, the function of the screw is always important.

The authorized bulletin number in the prior art is: CN207539145U entitled: the screw convenient to install and detach comprises a screw cap, wherein a threaded rod is welded on the right side of the screw cap, the surface of the threaded rod is sleeved with the screw cap, the surface of the threaded rod is provided with threads, the surface of the threaded rod is movably connected with a movable sleeve, the surface of the threaded rod is welded with an annular plate at a position corresponding to the movable sleeve, a sliding groove is formed in the movable sleeve and corresponds to the annular plate, and balls are arranged between the annular plate and the sliding groove; the surface of the ball is welded with anti-slip protrusions, and the anti-slip protrusions are annular strip protrusions; the right side of nut has the circular baffle, and the threaded rod welding is on the right side of circular baffle, and the recess has been seted up to the left side of movable sleeve and the position that corresponds circular baffle. The screw convenient to install and detach solves the problem that the traditional screw is inconvenient to install and detach and low in working efficiency due to the fact that the screw is matched with the screw cap, the threaded rod, the screw nut, the screw thread, the movable sleeve, the annular plate, the sliding groove and the ball, the screw still needs to be loosened by a spanner when the screw is loosened to a certain extent, the screw is pulled out by pulling the movable sleeve, and the screw can be directly rotated and pulled out by hands when the screw is loosened to a movable extent, so that the efficiency of detaching the screw is not improved.

Disclosure of Invention

The utility model aims to provide a screw convenient to detach, which solves the problems of inconvenient detachment and poor protection.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the screw convenient to detach comprises a screw head and a protective sleeve, wherein a connecting rod is welded at the bottom of the screw head, the bottom of the connecting rod is conical, a compression rod is slidably assembled in the screw head, and a connecting rod is fixedly connected to the compression rod through the screw;

the inside of connecting rod is equipped with oblique slider and two symmetrical arrangement's even board that slides respectively, the both ends of oblique slider all are the slope form, sliding connection has two symmetrical arrangement's ejector pad on the oblique slider, two the other one side of ejector pad pass through hexagonal screw with even board fixed connection, two it has a plurality of screw thread tooth to link one side of board all to weld.

Preferably, a protective sleeve is sleeved outside the screw head.

Preferably, the screw head is provided with a groove in the inner part, the compression bar is connected in a sliding manner in the groove, a first spring is welded on the compression bar, and the other end of the first spring is welded on the bottom wall of the groove.

Preferably, the inside of connecting rod has seted up straight flute, oblique slider sliding connection is in the inside of straight flute, the bottom welding of oblique slider has the second spring, the other end welding of second spring is in on the diapire of straight flute.

Preferably, the two connecting plates are both positioned in the straight groove, and the bottom ends of the connecting rods are positioned in the straight groove.

Preferably, a plurality of guide holes matched with the number of the screw teeth are formed in the connecting rod, and the guide holes and the screw teeth are identical in shape and size.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the arrangement of the structures such as the compression bar, the inclined sliding block and the like, when the screw needs to be disassembled, the compression bar which is arranged on one side of the screw head in a sliding way is downwards pressed, the inclined sliding block is simultaneously downwards pushed by the compression bar through the connecting rod which is fixedly arranged with the compression bar, the pushing blocks which are arranged on the two sides of the inclined sliding block in a sliding way shrink simultaneously at the moment, the connecting plate fixedly connected with the other side of the pushing block and the screw teeth fixedly arranged on the connecting plate are pulled to shrink to the inside of the connecting rod, at the moment, the limiting effect is lost between the connecting rod and the connecting body, and the screw head is directly pulled upwards, so that the effect of convenient disassembly is realized.

2. According to the utility model, through the arrangement of the structures such as the protective sleeve and the screw head, the screw head is used as a part which is always exposed outside and can be impacted, trampled and the like, and the protective sleeve made of rubber is sleeved outside the screw head, so that the screw head can be protected to a certain extent, and the effect of enhancing the protectiveness is realized.

Drawings

FIG. 1 is a front cross-sectional view of the present utility model;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

fig. 3 is an enlarged view of the utility model at a.

In the figure: 1. a protective sleeve; 2. a screw head; 3. a compression bar; 4. a first spring; 5. a connecting rod; 6. a connecting rod; 7. a connecting plate; 8. a groove; 9. a pushing block; 10. a thread tooth; 11. a second spring; 12. an inclined slide block; 13. a straight groove; 14. and (5) a guide hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a screw convenient to detach, including screw head 2 and protective sheath 1, the bottom welding of screw head 2 has connecting rod 6, the bottom of connecting rod 6 is the toper, the inside slip of screw head 2 is equipped with depression bar 3, through screw fixedly connected with connecting rod 5 on the depression bar 3, the inside of connecting rod 5 is respectively slip-equipped with oblique slider 12 and two symmetrical arrangement's link plate 7, the both ends of oblique slider 12 all are the slope form, sliding connection has two symmetrical arrangement's push block 9 on the oblique slider 12, the other one side of two push blocks 9 passes through hexagonal screw and link plate 7 fixed connection, one side of two link plate 7 all welds a plurality of screw thread tooth 10, through the setting of depression bar 3 and oblique slider 12 isotructure, the depression bar 3 pushes down through the connecting rod 5 of its fixed setting with the oblique slider 12 simultaneously, the push block 9 of oblique slider 12 both sides slip setting then contracts simultaneously, and the tooth 10 of fixed connection on the other one side of push block 9 and link plate 7 then contracts to the inside by the fixed connection of the connecting rod 6, the effect of pulling can be lost between the connection that the screw head 2 was removed directly, the effect of the connection can be realized.

Referring to fig. 1, a protective sleeve 1 is sleeved outside a screw head 2, and the screw head 2 is used as a part exposed at the outside all the time to be impacted and trampled through the arrangement of the protective sleeve 1, the screw head 2 is sleeved with a layer of rubber protective sleeve 1, so that the screw head 2 can be protected to a certain extent, and the effect of enhancing the protectiveness is achieved.

Referring to fig. 2, a groove 8 is formed in the screw head 2, a compression bar 3 is slidably connected in the groove 8, a first spring 4 is welded on the compression bar 3, and the other end of the first spring 4 is welded on the bottom wall of the groove 8.

Referring to fig. 3, a straight groove 13 is formed in the connecting rod 6, an inclined slider 12 is slidably connected in the straight groove 13, a second spring 11 is welded at the bottom of the inclined slider 12, and the other end of the second spring 11 is welded on the bottom wall of the straight groove 13.

Referring to fig. 1, both connecting plates 7 are located inside the straight groove 13, and the bottom ends of the connecting rods 5 are located inside the straight groove 13.

Referring to fig. 2, a plurality of guide holes 14 matching the number of the thread teeth 10 are formed in the connecting rod 6, and the guide holes 14 and the thread teeth 10 have the same shape and size.

The specific implementation process of the utility model is as follows: when the screw is installed, the screw is screwed into the connecting body by using a screwdriver, when the screw is required to be dismounted, the compression bar 3 which is slidably arranged on one side of the screw head 2 is pressed downwards, the connecting rod 5 is fixedly arranged on the compression bar 3, so the compression bar 3 drives the connecting rod 5 to move downwards together, the bottom end of the connecting rod 5 is fixedly arranged at the top of the inclined sliding block 12 which is slidably arranged in the connecting column, the inclined sliding block 12 moves downwards along with the connecting rod 5, the pushing blocks 9 are slidably arranged on two inclined surfaces of the inclined sliding block 12, when the inclined sliding block 12 moves downwards, the two pushing blocks 9 move along with the inclined surfaces on the inclined sliding block 12, the other side of the pushing blocks 9 are fixedly connected with the connecting plate 7, and the thread teeth 10 are fixedly arranged on the connecting plate 7, so when the pushing plate contracts and moves, the connecting plate 7 and the thread teeth 10 are simultaneously driven to contract together, and when the thread teeth 10 contract together with the connecting plate 7 to the inside of the connecting rod 6, the connecting rod 6 and a workpiece lose the connection relation, and the screw head 2 is pulled upwards directly to be dismounted;

in addition, in order to prevent the screw head 2 from being damaged due to the conditions such as impact rolling, the protective sleeve 1 is sleeved outside the screw head 2, and the protective strip can provide good protective effect for the screw head 2 and prolong the service life.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a screw of convenient dismantlement, includes spiral shell head (2) and protective sheath (1), its characterized in that: the bottom of the screw head (2) is welded with a connecting rod (6), the bottom of the connecting rod (6) is conical, a compression rod (3) is assembled in the screw head (2) in a sliding manner, and the compression rod (3) is fixedly connected with a connecting rod (5) through a screw;

the inside of connecting rod (5) is equipped with oblique slider (12) and two symmetrical arrangement's link plate (7) that slide respectively, the both ends of oblique slider (12) all are the slope form, sliding connection has two symmetrical arrangement's ejector pad (9) on oblique slider (12), two the other one side of ejector pad (9) pass through hexagonal screw with link plate (7) fixed connection, two link plate (7) one side all welds a plurality of screw thread tooth (10).

2. A screw for facilitating disassembly as claimed in claim 1, wherein: the outside of the screw head (2) is sleeved with a protective sleeve (1).

3. A screw for facilitating disassembly as claimed in claim 1, wherein: the novel screw comprises a screw head (2), and is characterized in that a groove (8) is formed in the screw head (2), a pressing rod (3) is slidably connected in the groove (8), a first spring (4) is welded on the pressing rod (3), and the other end of the first spring (4) is welded on the bottom wall of the groove (8).

4. A screw for facilitating disassembly as claimed in claim 1, wherein: straight flute (13) have been seted up to the inside of connecting rod (6), oblique slider (12) sliding connection is in the inside of straight flute (13), the bottom welding of oblique slider (12) has second spring (11), the other end welding of second spring (11) is in on the diapire of straight flute (13).

5. The easy-to-detach screw of claim 4, wherein: the two connecting plates (7) are both positioned in the straight groove (13), and the bottom ends of the connecting rods (5) are positioned in the straight groove (13).

6. A screw for facilitating disassembly as claimed in claim 1, wherein: the connecting rod (6) is internally provided with a plurality of guide holes (14) which are matched with the screw teeth (10), and the guide holes (14) and the screw teeth (10) are the same in shape and size.