CN218863028U

CN218863028U - Big flat head screw

Info

Publication number: CN218863028U
Application number: CN202320037608.6U
Authority: CN
Inventors: 薛建东; 谢忠超; 杨明; 袁平
Original assignee: Shanghai Hongting Fastener Manufacturing Co ltd
Current assignee: Shanghai Hongting Fastener Manufacturing Co ltd
Priority date: 2023-01-07
Filing date: 2023-01-07
Publication date: 2023-04-14
Anticipated expiration: 2033-01-07

Abstract

The utility model belongs to the technical field of the screw, a big flat-head screw is related to, the electric iron comprises a screw rod, the upper end fixedly connected with nut of screw rod, the outside swing joint of screw rod and nut has protective assembly, protective assembly includes the go-between of the outside sliding connection of one end and screw rod, the outside sliding connection of nut has the protection frame, the outside fixedly connected with connecting block of go-between, the outside of connecting block articulates there is the outside articulated down tube of one end and protection frame. This big flat-head screw, go-between are extrudeed to the protection frame that promotes both sides through the down tube is close to relative one side, makes the dog extruded, and the dog of laminating can improve the protectiveness to the nut with the protection frame, reduces the loss of nut, because the dog is located the one end in the mounting groove outside and is the slope form, makes things convenient for operating personnel to extrude screwdriver to the protection frame is inboard, screws off, thereby reaches the effect of the dismouting of being convenient for.

Description

Big flat-head screw

Technical Field

The application relates to the technical field of screws, in particular to a large flat head screw.

Background

A screw is a common fastener used for assembly between two separate components.

When the screw nail is installed and disassembled, a screwdriver is usually used to be inserted into the groove of the screw nail head and screwed, so that the screw nail is fastened or separated from the installation part, in the using process of the screw nail, the groove on the screw nail head is easily ground due to external environmental factors, the screwdriver cannot be inserted into the groove of the screw nail head at the moment, the screw nail cannot be taken out through the screwdriver, the dismounting efficiency of workers on the screw nail is reduced, and the problem is solved by the aid of the large flat-head screw nail.

SUMMERY OF THE UTILITY MODEL

To prior art's not enough, this application provides a big flat head screw, possesses advantages such as the dismouting of being convenient for, has solved the problem of the dismouting of being not convenient for.

In order to achieve the above purpose, the present application provides the following technical solutions: a large flat head screw comprises a screw rod, wherein a nut is fixedly connected to the upper end of the screw rod, and a protective component is arranged on the outer sides of the screw rod and the nut;

the utility model discloses a safety protection device for a motor vehicle, including protection assembly, nut, connecting ring, connecting groove, mounting groove, inboard sliding connection, the inboard sliding connection of connecting groove has the protection frame, the outside sliding connection's of protection assembly includes the go-between of one end and screw rod go-between, the outside sliding connection of nut has the protection frame, the outside fixedly connected with connecting block of go-between, the outside of connecting block articulates there is the outside articulated down tube of one end and protection frame, the inboard sliding connection of protection frame has one end to extend to the inboard dog of mounting groove, the outside fixedly connected with one end of dog extends to the inside movable rod of protection frame, fixedly connected with extrusion spring between the outside of dog and the inboard of mounting groove, the outside fixedly connected with fixed block of dog.

The beneficial effect of adopting the further scheme is that: drive the screw rod through rotating the nut and fix to the inside back of the fixed component of needs, can make the go-between extruded to the protection frame that promotes both sides through the down tube is close to relative one side, makes the dog extruded, and the dog and the protection frame of laminating can improve the protectiveness to the nut, reduces the loss of nut, because the dog is located the one end in the mounting groove outside and is the slope form, makes things convenient for operating personnel to extrude screwdriver to the protection frame inboard, screws off.

Further, the sliding assembly comprises a sliding block, a sliding groove is formed in the bottom side of the nut, the sliding block is fixedly connected to the inner side of the protection frame, one end of the sliding block extends to the inner side of the sliding groove, the sliding block is connected with the sliding groove in a sliding mode, and the sliding block and the sliding groove are in a T shape.

The beneficial effect of adopting the further scheme is that: the protection frame positioned outside the nut can slide left and right and is not separated from the nut.

Furthermore, the inside of protection frame is seted up the spacing groove of one end and mounting groove intercommunication, the specification between the spacing groove left and right sides is greater than the specification of movable rod.

The beneficial effect of adopting the further scheme is that: the movable rod positioned at the inner side of the limiting groove can stably slide left and right.

Furthermore, the specification between the upper side and the lower side of the mounting groove is matched with the specification of one end of the stop block positioned on the inner side of the mounting groove, and one end of the stop block positioned on the outer side of the mounting groove is inclined.

The beneficial effect of adopting the further scheme is that: the stopper located on the inner side of the mounting groove can stably slide left and right, and the inclined position of the stopper can be pushed by extrusion.

Further, the rectangular channel of one end and mounting groove intercommunication is seted up in the outside of protection frame, the specification of rectangular channel and the specification phase-match of fixed block.

The beneficial effect of adopting the above further scheme is: the extruded stop block can drive the fixed block to move into the rectangular groove.

Further, an arc-shaped groove is formed in the inner side wall of the protection frame, and the specification of the arc-shaped groove is larger than that of the screw rod.

The beneficial effect of adopting the above further scheme is: the lower end part of the protection frame which moves relatively can penetrate through the screw rod.

Further, the cross section of the protection frame is arc-shaped.

The beneficial effect of adopting the further scheme is that: the nut can be wrapped after the protective frame positioned on the outer side of the nut is attached.

Furthermore, one end of the diagonal rod is hinged to the connecting block through a first hinged seat, and the other end of the diagonal rod is hinged to the outer side of the protection frame through a second hinged seat.

The beneficial effect of adopting the above further scheme is: the extruded connecting ring can drive the protective frames at two sides to move and attach through the hinged inclined rod.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this big flat-head screw, it is fixed to the inside back of the component that needs to be fixed to drive the screw rod through rotating the nut, can make the go-between extruded, thereby it is close to relative one side to promote the protection frame of both sides through the down tube, make the dog extruded, and the dog and the protection frame of laminating can improve the protectiveness to the nut, reduce the loss of nut, because the dog is located the one end in the mounting groove outside and is the slope form, make things convenient for operating personnel to extrude screwdriver to the protection frame inboard, screw off, thereby reach the effect of the dismouting of being convenient for.

Drawings

FIG. 1 is a schematic perspective cross-sectional structural view of the present application;

FIG. 2 is a schematic view of the protective assembly of the present application;

FIG. 3 is an enlarged view of FIG. 2A of the present application;

fig. 4 is a top view of the protective frame structure of the present application.

In the figure: 1 screw, 2 screw nuts, 3 protective assemblies, 31 connecting rings, 32 connecting blocks, 33 inclined rods, 34 protective frames, 35 sliding assemblies, 351 sliding blocks, 352 sliding grooves, 36 connecting springs, 37 mounting grooves, 38 movable rods, 39 extrusion springs, 310 connecting grooves, 311 stop blocks, 312 fixing blocks and 313 rectangular grooves.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1, the large flat-head screw in the present embodiment includes a screw rod 1, a nut 2 fixedly connected to an upper end of the screw rod 1, and a protection component 3 disposed outside the screw rod 1 and the nut 2.

In the embodiment, the nut 2 is blocked and protected by the protection component 3, so that the possibility of damage to the groove of the nut 2 is reduced.

Referring to fig. 2-4, in the present embodiment, the protection component 3 includes a connection ring 31 having one end slidably connected to an outer side of the screw rod 1, an outer side of the nut 2 is slidably connected to a protection frame 34, an inner side wall of the protection frame 34 is provided with an arc-shaped groove, a specification of the arc-shaped groove is greater than a specification of the screw rod 1, after the nut 2 is attached to inner bottom walls of the protection frames 34 at two sides, the screw rod 1 can penetrate through a lower end portion of the protection frame 34, and a cross section of the protection frame 34 is an arc shape.

The outer side of the connecting ring 31 is fixedly connected with a connecting block 32, the outer side of the connecting block 32 is hinged with an inclined rod 33, one end of the inclined rod 33 is hinged with the connecting block 32 through a first hinge seat, the other end of the inclined rod 33 is hinged with the outer side of the protective frame 34 through a second hinge seat, and the extruded connecting ring 31 can drive the protective frame 34 to slide through the inclined rod 33.

The inboard of protection frame 34 and the bottom side of nut 2 are provided with sliding assembly 35, and sliding assembly 35 includes slider 351, and spout 352 has been seted up to the bottom side of nut 2, and slider 351 fixed connection extends to spout 352 inboard in the inboard just slider 351 one end of protection frame, slider 351 and spout 352 sliding connection, and slider 351 and spout 352 are the T font, make protection frame 34 can slide in the outside of nut 2, and do not separate with nut 2.

Fixedly connected with coupling spring 36 between the outside of go-between 31 and nut 2, connecting groove 310 has been seted up to the inside wall of protection frame 34, the mounting groove 37 that one end and connecting groove 310 communicate has been seted up to the inside of protection frame 34, the inboard sliding connection of connecting groove 310 has one end to extend to the inboard dog 311 of mounting groove 37, specification and the dog 311 between the upper and lower both sides of mounting groove 37 are located the specification phase-match of the inboard one end of mounting groove 37, the one end that dog 311 is located the mounting groove 37 outside is the slope form, make and extend to the inboard dog 311 of mounting groove 37 and extrude the back, possess the space of horizontal slip.

The outside fixedly connected with one end of dog 311 extends to the inside movable rod 38 of protection frame 34, and the spacing groove of one end and mounting groove 37 intercommunication is seted up to the inside of protection frame 34, and the specification between the spacing groove left and right sides is greater than the specification of movable rod 38, makes the movable rod 38 that extends to the inside of protection frame 34 can the horizontal slip.

Fixedly connected with extrusion spring 39 between the outside of dog 311 and the inboard of mounting groove 37, the outside fixedly connected with fixed block 312 of dog 311, rectangular channel 313 that one end and mounting groove 37 communicate is seted up in the outside of protection frame 34, the specification of rectangular channel 313 matches with the specification of fixed block 312, after the laminating of both sides dog 311, operating personnel can use pliers or other instrument to unscrew the screw through fixed block 312, not only can only use the screwdriver.

In this embodiment, the extruded connection ring 31 can drive the protection frame 34 and the stopper 311 to extrude and attach to each other through the inclined rod 33, so as to improve the protection performance of the groove of the nut 2 and reduce the loss of the groove.

The working principle of the above embodiment is as follows:

drive screw 1 through rotating nut 2 and fix to the inside back of the component that needs to be fixed, make go-between 31 extruded, thereby it is close to relative one side to promote the protection frame 34 of both sides through down tube 33, it is laminated to drive dog 311 by the extrusion, and dog 311 and the protection frame 34 of laminating can improve the protectiveness to nut 2, reduce the loss of nut 2 groove, because the one end that dog 311 is located the mounting groove 37 outside is the slope form, can make things convenient for operating personnel to extrude screwdriver to protection frame 34 inboard, screw is unscrewed, and can use pliers or other instrument to unscrew the screw through fixed block 312, thereby reach the effect of the dismouting of being convenient for.

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. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides a big flat-head screw, includes screw rod (1), its characterized in that: the upper end part of the screw rod (1) is fixedly connected with a nut (2), and the outer sides of the screw rod (1) and the nut (2) are provided with a protective component (3);

protection component (3) include one end and screw rod (1) outside sliding connection's go-between (31), the outside sliding connection of nut (2) has protection frame (34), the outside fixedly connected with connecting block (32) of go-between (31), the outside of connecting block (32) articulates there is one end and the outside articulated down tube (33) of protection frame (34), the inboard of protection frame (34) is provided with sliding assembly (35) with the bottom side of nut (2), fixedly connected with coupling spring (36) between the outside of go-between (31) and nut (2), spread groove (310) have been seted up to the inside wall of protection frame (34), mounting groove (37) of one end and spread groove (310) intercommunication are seted up to the inside of protection frame (34), the inboard sliding connection of spread groove (310) has dog (311) that one end extends to mounting groove (37) inboard, the outside fixedly connected with one end of dog (311) extends to the inside movable rod (38) of protection frame (34), fixedly connected with extrusion spring (311) between the outside of dog (311) and the inboard of spread groove (37), the outside fixedly connected with dog (312) is connected with fixed block (39).

2. A large flat-head screw according to claim 1, characterized in that: slide module (35) include slider (351), spout (352) have been seted up to the bottom side of nut (2), slider (351) fixed connection is inboard in protection frame (34) and slider (351) one end extends to spout (352) inboard, slider (351) and spout (352) sliding connection, slider (351) and spout (352) are the T font.

3. A large flat-head screw according to claim 1, characterized in that: the inside of protection frame (34) is seted up the spacing groove of one end and mounting groove (37) intercommunication, the specification between the spacing groove left and right sides is greater than the specification of movable rod (38).

4. A large flat-head screw according to claim 1, characterized in that: the specification between the upper side and the lower side of the mounting groove (37) is matched with the specification of one end, located on the inner side of the mounting groove (37), of the stop block (311), and one end, located on the outer side of the mounting groove (37), of the stop block (311) is inclined.

5. A large flat-head screw according to claim 1, characterized in that: the protection frame (34) is provided with a rectangular groove (313) with one end communicated with the mounting groove (37) on the outer side, and the specification of the rectangular groove (313) is matched with that of the fixing block (312).

6. A large flat-head screw according to claim 1, characterized in that: an arc-shaped groove is formed in the inner side wall of the protection frame (34), and the specification of the arc-shaped groove is larger than that of the screw (1).

7. A large flat-head screw according to claim 1, characterized in that: the cross section of the protection frame (34) is arc-shaped.

8. A large flat-head screw according to claim 1, characterized in that: one end of the diagonal rod (33) is hinged to the connecting block (32) through the first hinged seat, and the other end of the diagonal rod (33) is hinged to the outer side of the protective frame (34) through the second hinged seat.