CN218817485U - Flat head inner hexagonal screw - Google Patents

Abstract

The utility model discloses a flat head inner hexagonal screw, including nut and outer loop bar, the fixed inner loop bar that is equipped with in nut one side, the fixed inserted bar that is equipped with in outer loop bar inner chamber middle part, just the inserted bar is worn to locate inner loop bar middle part, the inner loop bar outside is equipped with the direction subassembly, the mounting groove has been seted up in the inserted bar outside, and elastic buckle uses with the locating hole cooperation and can fixes inner loop bar joint in outer loop bar, presses elastic buckle for elastic buckle breaks away from in the locating hole, and the inner loop bar that takes out again can be adjusted the length of this flat head inner hexagonal screw, makes this flat head inner hexagonal screw dismantle the installation through setting up the through-hole and can pass through the pin pole, injects the pin pole in the through-hole and can rotate through rotating the pin pole and twist the flat head inner hexagonal screw, and twist the mode various, and the cone drill connects fixedly through the joint subassembly, conveniently dismantles the installation, can dismantle cone drill according to the demand installation, and cone drill makes this flat head inner hexagonal screw can trompil.

Description

Flat head inner hexagonal screw

Technical Field

The utility model relates to a screw technical field particularly, relates to a crew cut hexagon socket head cap screw.

Background

The flat-head inner hexagonal screw belongs to one type of screw and is mainly used for machinery and has the advantages of convenience in fastening and dismounting, difficulty in sliding angle and the like, but the conventional flat-head inner hexagonal screw is simple in structure, cannot be used for adjusting the length of the screw in use, cannot be suitable for various operating environments, and reduces the practicability of the screw.

The utility model discloses a utility model with application number 201920422798.7 discloses a flat head inner hexagonal screw, the screw cap comprises a nut, the inner hexagonal recess has been seted up in the left side of nut, the right side swing joint of nut has the screw rod, the right side fixedly connected with extension tube of nut, the hole of accomodating has been seted up in the left side of screw rod, the right-hand member of extension tube runs through the screw rod and extends to the inside of accomodating the hole, extension tube and screw rod threaded connection, the inside swing joint of inner hexagonal recess has the push rod, and this flat head inner hexagonal screw through rotating the nut, the nut drives extension tube and is threaded motion with the screw rod, makes the extension tube break away from the inside of screw rod to reach the effect of adjustment screw rod length, solved current flat head inner hexagonal screw simple structure, the problem of the unable adjustment screw length of in use, but this flat head inner hexagonal screw is twisted the mode single, can only twist through inner hexagonal screwdriver, and this flat head inner hexagonal screw tip is the unable trompil of ordinary planar structure moreover.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem among the correlation technique, the utility model provides a flat head hexagon socket head cap screw to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

the utility model provides a crew cut inner hexagonal screw, includes nut and outer loop bar, the fixed inner loop bar that is equipped with in nut one side, the fixed inserted bar that is equipped with in outer loop bar inner chamber middle part, just the inserted bar is worn to locate inner loop bar middle part, the inner loop bar outside is equipped with the direction subassembly, the mounting groove has been seted up in the inserted bar outside, and the mounting groove inner chamber is fixed and is equipped with elastic buckle, the fixed threaded rod that is equipped with of outer loop bar one end, threaded rod one end is connected with conical drill through the joint subassembly, the locating hole has been seted up to inner loop bar outside equidistance, the inner hexagonal recess has been seted up on the nut.

Preferably, the nut is provided with a through hole.

Preferably, the guide assembly is composed of a guide chute and a guide projection, and the guide chute and the guide projection are respectively arranged on the inner wall of the outer loop bar and the outer side of the inner loop bar.

As preferred, the joint subassembly comprises first draw-in groove, second draw-in groove, first card post, second card post, just first draw-in groove and second draw-in groove set up in threaded rod one end, first card post and the fixed setting in conical bit one end of second card post.

Preferably, the elastic buckle comprises a spring, the spring is fixedly arranged in the mounting groove in the outer side of the inserted bar, and one end of the spring is fixedly connected with a positioning clamping block.

Preferably, one end of the positioning fixture block penetrates through the inner cavity of the mounting groove, and the positioning fixture block is matched with the positioning hole.

The utility model has the advantages that: 1. the flat-head inner hexagonal screw can be disassembled and assembled through the arrangement of the through hole, the pin rod is inserted into the through hole, the flat-head inner hexagonal screw can be rotatably screwed through rotating the pin rod, the screwing modes are various, the conical drill bit is connected and fixed through the clamping component, the disassembly and assembly are convenient, the conical drill bit can be assembled and disassembled according to requirements, and the conical drill bit can make the flat-head inner hexagonal screw capable of being drilled;

2. through setting up elasticity buckle and locating hole, elasticity buckle and locating hole cooperation are used can fix interior loop bar joint in the loop bar, press elasticity buckle for elasticity buckle breaks away from out in the locating hole, and the loop bar can be adjusted the length of this crew cut inner hexagonal screw in twitching again, can satisfy different user demands.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a structure view of a flat head hexagon socket head cap screw according to an embodiment of the present invention;

fig. 2 is an exploded view of a flat head socket head cap screw according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a flat head hexagon socket head cap screw according to an embodiment of the present invention;

fig. 4 is a side cross-sectional view of an outer loop bar of a flat-head inner hexagonal screw according to an embodiment of the present invention.

In the figure:

1. a nut; 2. an outer loop bar; 3. an inner loop bar; 4. inserting a rod; 5. a guide assembly; 6. elastic buckle; 7. a threaded rod; 8. a conical drill bit; 9. positioning holes; 10. an inner hexagonal groove; 11. a through hole; 12. a guide chute; 13. a guide projection; 14. a first card slot; 15. a second card slot; 16. a first engaging column; 17. a second clamping column; 18. a spring; 19. and positioning the fixture block.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a flat head hexagon socket head cap screw.

Example one

As shown in fig. 1-4, according to the utility model discloses a flat head inner hexagonal screw, including nut 1 and outer loop bar 2, nut 1 one side is fixed and is equipped with inner loop bar 3, outer loop bar 2 inner chamber middle part is fixed and is equipped with inserted bar 4, and inserted bar 4 wears to locate inner loop bar 3 middle part, the 3 outside of inner loop bar is equipped with guide component 5, the mounting groove has been seted up in the inserted bar 4 outside, the mounting groove inner chamber is fixed and is equipped with elastic buckle 6, elastic buckle 6 uses with locating hole 9 cooperation can fix inner loop bar 3 joint in outer loop bar 2, press elastic buckle 6, make elastic buckle 6 break away from in locating hole 9, take out inner loop bar 3 again and can adjust the length of this flat head inner hexagonal screw, outer loop bar 2 one end is fixed and is equipped with threaded rod 7, threaded rod 7 one end is connected with conical bit 8 through the joint subassembly, conical bit 8 makes this flat head inner hexagonal screw can trompil, locating hole 9 has been seted up in the 3 outside of inner loop bar, the interior hexagonal recess 10 has been seted up on nut 1, through-hole 11 has been seted up to nut, insert the through rotating inner hexagonal pin pole through rotating in-rotating pin pole 11 can rotate, it is various modes to twist.

Example two

As shown in FIGS. 1-4, a flat-head inner hexagonal screw according to an embodiment of the present invention comprises a nut 1 and an outer loop bar 2, wherein an inner loop bar 3 is fixedly arranged on one side of the nut 1, an insert bar 4 is fixedly arranged in the middle of an inner cavity of the outer loop bar 2, the insert bar 4 is inserted into the middle of the inner loop bar 3, a guide assembly 5 is arranged on the outer side of the inner loop bar 3, a mounting groove is arranged on the outer side of the insert bar 4, an elastic buckle 6 is fixedly arranged in the inner cavity of the mounting groove, the elastic buckle 6 is matched with a positioning hole 9 for fixing the inner loop bar 3 in the outer loop bar 2 in a clamping manner, the elastic buckle 6 is pressed to separate the elastic buckle 6 from the positioning hole 9, the length of the flat-head inner hexagonal screw can be adjusted by pulling the inner loop bar 3, a threaded rod 7 is fixedly arranged on one end of the outer loop bar 2, one end of the threaded rod 7 is connected with a conical drill 8 through the clamping assembly, the conical drill bit 8 enables the flat-head inner hexagonal screw to be drilled, positioning holes 9 are equidistantly formed in the outer side of the inner sleeve rod 3, inner hexagonal grooves 10 are formed in the screw cap 1, the guide assembly 5 is composed of a guide sliding groove 12 and a guide convex block 13, the guide sliding groove 12 and the guide convex block 13 are respectively arranged on the outer wall of the outer sleeve rod 2 and the outer side of the inner sleeve rod 3, the clamping assembly is composed of a first clamping groove 14, a second clamping groove 15, a first clamping column 16 and a second clamping column 17, the first clamping groove 14 and the second clamping groove 15 are arranged at one end of the threaded rod 7, the first clamping column 16 and the second clamping column 17 are fixedly arranged at one end of the conical drill bit 8, the first clamping column 16 is inserted into an inner cavity of the first clamping groove 14, and the second clamping column 17 is inserted into an inner cavity of the second clamping groove 15 to clamp the conical drill bit 8 in a clamping mode.

EXAMPLE III

As shown in fig. 1-4, according to the utility model discloses a hexagonal screw in crew cut of embodiment, including nut 1 and outer loop bar 2, nut 1 one side is fixed and is equipped with inner loop bar 3, outer loop bar 2 inner chamber middle part is fixed and is equipped with inserted bar 4, and inserted bar 4 wears to locate inner loop bar 3 middle part, the 3 outside of inner loop bar is equipped with guide assembly 5, the mounting groove has been seted up in the inserted bar 4 outside, the mounting groove inner chamber is fixed and is equipped with elastic buckle 6, elastic buckle 6 uses with locating hole 9 cooperation and can fix inner loop bar 3 joint in outer loop bar 2, press elastic buckle 6, make elastic buckle 6 break away from in locating hole 9, take out inner loop bar 3 again and can adjust this length of crew cut hexagonal screw in the crew cut, outer loop bar 2 one end is fixed and is equipped with threaded rod 7, threaded rod 7 one end is connected with conical bit 8 through the joint subassembly, conical bit 8 makes this crew cut hole in crew cut, locating hole 3 outside has seted up equidistance 9, hexagonal recess 10 has been seted up on nut 1, elastic buckle 6 includes spring 18, and spring 18 fixed sets up in the mounting groove in the 4 outside of inserted bar, spring 18 one end, 19 one end fixed and the fixture block 19 is connected with fixture block 19, the fixture block 19 and the positioning block 19 uses the cooperation of positioning in the positioning hole and the positioning rod.

To sum up, with the aid of the above-mentioned technical scheme of the utility model, this device is when using, elasticity buckle 6 and the cooperation of locating hole 9 are used and can be fixed interior loop bar 3 joint in outer loop bar 2, press elasticity buckle 6, make elasticity buckle 6 break away from out in locating hole 9, twitch interior loop bar 3 again and can adjust the length of this crew cut hexagon socket head cap screw, first calorie of post 16 injects first draw-in groove 14 inner chamber, second calorie of post 17 injects 15 inner chambers of second draw-in groove and can carry out the joint to conical bit 8 and fix, conical bit 8 makes this crew cut hexagon head socket head cap screw can trompil, inject the round pin pole in through-hole 11 and can rotate to twist the crew cut hexagon head cap screw through rotating the round pin pole promptly.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a flat head hexagon socket head cap screw, includes nut (1) and overcoat pole (2), its characterized in that: nut (1) one side is fixed and is equipped with inner loop bar (3), outer loop bar (2) inner chamber middle part is fixed and is equipped with inserted bar (4), just inserted bar (4) are worn to locate inner loop bar (3) middle part, the inner loop bar (3) outside is equipped with direction subassembly (5), the mounting groove has been seted up in the inserted bar (4) outside, and the mounting groove inner chamber is fixed and is equipped with elastic buckle (6), outer loop bar (2) one end is fixed and is equipped with threaded rod (7), threaded rod (7) one end is connected with conical bit (8) through the joint subassembly, locating hole (9) have been seted up to inner loop bar (3) outside equidistance, interior hexagonal recess (10) have been seted up on nut (1).

2. The flat head inner hexagonal screw according to claim 1, wherein: the nut (1) is provided with a through hole (11).

3. The flat head inner hexagonal screw according to claim 2, wherein: the guide assembly (5) is composed of a guide sliding groove (12) and a guide convex block (13), and the guide sliding groove (12) and the guide convex block (13) are respectively arranged on the inner wall of the outer loop bar (2) and the outer side of the inner loop bar (3).

4. A flat head hexagon socket head screw according to claim 3, wherein: the clamping assembly is composed of a first clamping groove (14), a second clamping groove (15), a first clamping column (16) and a second clamping column (17), the first clamping groove (14) and the second clamping groove (15) are arranged at one end of the threaded rod (7), and the first clamping column (16) and the second clamping column (17) are fixedly arranged at one end of the conical drill bit (8).

5. The flat head inner hexagonal screw according to claim 4, wherein: the elastic buckle (6) comprises a spring (18), the spring (18) is fixedly arranged in an installation groove in the outer side of the inserted bar (4), and one end of the spring (18) is fixedly connected with a positioning clamping block (19).

6. The flat head inner hexagonal screw according to claim 5, wherein: one end of the positioning fixture block (19) penetrates through the inner cavity of the mounting groove, and the positioning fixture block (19) is matched with the positioning hole (9).

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