CN213235761U

CN213235761U - Three-in-one combined screw

Info

Publication number: CN213235761U
Application number: CN202021802483.4U
Authority: CN
Inventors: 徐国强
Original assignee: Ningbo Thumb Locks Co ltd
Current assignee: Ningbo Thumb Locks Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-05-18
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a trinity combination screw, including the screw thread post, screw thread post one end fixedly connected with spliced pole, spliced pole one end fixedly connected with fixed block, the fixed block is kept away from one side of spliced pole and has been seted up first recess, the axis coincidence of spliced pole, screw thread post and fixed block, gasket and spring washer have been cup jointed on the spliced pole surface, spring washer sets up between gasket and fixed block, gasket and spring washer all with spliced pole clearance fit, spring washer one side is provided with the wedge. The utility model discloses set up the wedge on the spring gasket, set up the second recess on the fixed block, wedge and second recess joint, the nearly direction of revolving of wedge incline direction and screw thread post is the same, and when the fixed block drove the screw thread post precession, the wedge can not block that the fixed block is rotatory, and when reaching preset position, the most advanced joint of wedge can prevent the reversal of second wedge in the second recess, makes the screw be difficult for droing.

Description

Three-in-one combined screw

Technical Field

The utility model relates to a tool to lock accessory technical field, concretely relates to trinity combination screw.

Background

The lock is a sealing device, which includes lock, key and its accessories, and is generally interpreted as "sealing device which can be opened by key", besides the lock can be opened by key, it can also be opened by light, electricity, magnetism, sound and fingerprint. Need use the screw fixation on the tool to lock, current screw cooperation spring washer can play the tight effect of expanding, makes the screw be difficult for droing, but this kind of mode still can not prevent that the screw from droing.

Therefore, a three-in-one combined screw is provided, so that the screw is firmer and is not easy to fall off.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a trinity combination screw to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a three-in-one combined screw comprises a threaded column, wherein one end of the threaded column is fixedly connected with a connecting column, one end of the connecting column is fixedly connected with a fixed block, one side of the fixed block, which is far away from the connecting column, is provided with a first groove, the central axes of the connecting column, the threaded column and the fixed block coincide, the surface of the connecting column is sleeved with a gasket and a spring washer, the spring washer is arranged between the gasket and the fixed block, the gasket and the spring washer are in clearance fit with the connecting column, one side of the spring washer is provided with a wedge, the wedge is obliquely arranged, one side of the fixed block, which is close to the spring washer, is provided with a second groove, the second groove is distributed in an annular array manner relative to the central axis of the fixed block, one side of the spring washer is fixedly connected with a poking block, the clamping block is clamped with the clamping groove.

In an embodiment of the present invention, the diameter of the connecting column is smaller than the diameter of the threaded column, and the diameter of the connecting column is smaller than the diameter of the fixing block.

In an embodiment of the present invention, the diameter of the inner ring of the gasket is smaller than the diameter of the threaded post, and the diameter of the inner ring of the spring washer is smaller than the diameter of the fixing block.

In an embodiment of the present invention, the length of the second groove is greater than the length of the wedge.

The utility model discloses an in an embodiment, the fixture block sets up to cylindrical block, and the one side of keeping away from the gasket of fixture block has seted up the circular arc chamfer.

A concave cavity is formed in one side of the poking block, and the concave cavity is a rectangular cavity.

To sum up, owing to adopted above-mentioned technique, the beneficial effects of the utility model are that:

in the utility model, the wedge block is arranged on the spring gasket, the second groove is arranged on the fixed block, the wedge block is connected with the second groove, the inclined direction of the wedge block is the same as the screwing direction of the threaded column, when the fixed block drives the threaded column to screw in, the wedge block can not block the fixed block from rotating, when the preset position is reached, the tip end of the wedge block is connected in the second groove in a clamping way, the second wedge block can be prevented from reversing, and the screw is not easy to fall off; set up and dial the piece, when needs are unscrewed, promote and dial the piece, make the pointed end of wedge break away from in the second recess, can reverse, through rotatory fixed block to drive the screw thread post and unscrew.

Drawings

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

fig. 2 is an enlarged cross-sectional view of a portion a of fig. 1 according to the present invention;

FIG. 3 is a schematic side view of a second recessed portion according to the present invention;

in the figure: 1. a threaded post; 2. connecting columns; 3. a fixed block; 4. a first groove; 5. a gasket; 6. a spring washer; 7. a wedge block; 8. a second groove; 9. a shifting block; 10. a clamping block; 11. a card slot; 12. a cavity.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific situation of the specification.

Example 1

Please refer to fig. 1-3, the utility model provides a trinity combination screw, including threaded column 1, 1 one end fixedly connected with spliced pole 2 of threaded column, 2 one end fixedly connected with fixed blocks 3 of spliced pole, fixed block 3 keep away from one side of spliced pole 2 and seted up first recess 4 for the screwdriver inserts, thereby rotatory fixed block 3, thereby drive threaded column 1 and rotate, realize the precession or the screw-out of threaded column 1.

Spliced pole 2, the axis coincidence of screw thread post 1 and fixed

block

3, 2 surface cup joints gasket 5 and spring washer 6 of spliced pole, spring washer 6 sets up between gasket 5 and fixed block 3, gasket 5 and spring washer 6 all with spliced pole 2 clearance fit, 6 one side of spring washer is provided with wedge 7, the slope of wedge 7 sets up, fixed block 3 has been close to one side of spring washer 6 and has been seted up second recess 8, the axis of the relative fixed block 3 of second recess 8 is the annular array and distributes, the length of second recess 8 is greater than the length of wedge 7, be convenient for wedge 7 insert in the second recess 8.

One side fixedly connected with of spring washer 6 dials piece 9, one side fixedly connected with fixture block 10 that gasket 5 is close to spring washer 6, and fixture block 10 sets up to cylindrical piece, and the circular arc chamfer has been seted up to the one side of keeping away from the gasket of fixture block 10. One side of the spring washer 6 close to the gasket 5 is provided with a clamping groove 11, and the clamping block 10 is clamped with the clamping groove 11. Through the joint of fixture block 10 and draw-in groove 11, can prevent that spring washer 6 from rotating during the installation, spring washer 6 in case rotates with fixed block 3 is coaxial, and wedge 7 has just lost the effect.

The diameter of the connecting column 2 is smaller than that of the threaded column 1, and the diameter of the connecting column 2 is smaller than that of the fixing block 3. The diameter of the inner ring of the gasket 5 is smaller than that of the threaded column 1, and the diameter of the inner ring of the spring washer 6 is smaller than that of the fixed block 3. The gasket 5 and the spring washer 6 can be prevented from being separated, the carrying is convenient, and the parts are not easy to scatter.

One side of the toggle block 9 is provided with a concave cavity 12, and the concave cavity 12 is a rectangular cavity. The sheet-shaped object can be inserted into the cavity 12, so that the moment is increased, and the poking block 9 is convenient to push.

The working principle is as follows: during the use, set up wedge 7 on spring washer 6, set up second recess 8 on fixed block 3, wedge 7 and the joint of

second recess

8, 7 incline direction of wedge and the screw thread post 1 the direction of screwing are the same, when fixed block 3 drives screw thread post 1 precession, wedge 7 can not block fixed block 3 rotatory, when reaching preset position, the most advanced joint of wedge 7 is in second recess 8, can prevent the reversal of fixed block 3, set up and dial piece 9, when needs screw-out, promote and dial piece 9, make the most advanced of wedge 7 break away from in second recess 8, can reverse, through rotatory fixed block 3, thereby drive screw thread post 1 screw-out.

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.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a trinity combination screw, includes screw thread post (1), its characterized in that: the utility model discloses a novel screw thread post, including threaded post (1), spliced pole (2) one end fixedly connected with fixed block (3), fixed block (3) are kept away from one side of spliced pole (2) and have been seted up first recess (4), the axis coincidence of spliced pole (2), threaded post (1) and fixed block (3), gasket (5) and spring washer (6) have been cup jointed on spliced pole (2) surface, spring washer (6) set up between gasket (5) and fixed block (3), gasket (5) and spring washer (6) all with spliced pole (2) clearance fit, spring washer (6) one side is provided with wedge (7), wedge (7) slope sets up, second recess (8) have been seted up to one side that fixed block (3) are close to spring washer (6), the axis of the relative fixed block (3) of second recess (8) is annular array and distributes, one side fixedly connected with of spring washer (6) dials movable block (9), one side fixedly connected with fixture block (10) that gasket (5) are close to spring washer (6), draw-in groove (11) have been seted up to one side that spring washer (6) are close to gasket (5), fixture block (10) with draw-in groove (11) joint.

2. The three-in-one combination screw of claim 1, wherein: the diameter of the connecting column (2) is smaller than that of the threaded column (1), and the diameter of the connecting column (2) is smaller than that of the fixing block (3).

3. The three-in-one combination screw of claim 1, wherein:

the diameter of the inner ring of the gasket (5) is smaller than that of the threaded column (1), and the diameter of the inner ring of the spring washer (6) is smaller than that of the fixed block (3).

4. The three-in-one combination screw of claim 1, wherein: the length of the second groove (8) is larger than that of the wedge-shaped block (7).

5. The three-in-one combination screw of claim 1, wherein: the fixture block (10) is a cylindrical block, and one side of the fixture block (10) far away from the gasket is provided with an arc chamfer.

6. The three-in-one combination screw of claim 1, wherein: one side of the poking block (9) is provided with a concave cavity (12), and the concave cavity (12) is a rectangular cavity.