阅读说明：本技术 一种内六角t型对接螺丝主体 (Inner hexagonal T-shaped butt joint screw main body ) 是由 吴晓军 于 2020-12-01 设计创作，主要内容包括：本发明公开了一种内六角T型对接螺丝主体,包括螺丝主体和与之相匹配的螺套,所述螺套的小头端居中位置处开设有内螺纹槽,所述内螺纹槽外围设置有开设在螺套上的对插环槽,所述螺丝主体的小头端设置有与内螺纹槽相匹配的螺杆部,所述螺丝主体内依次连通设置有插槽、限位滑槽、安装槽、长孔,所述插槽内滑动安插有对插杆,所述限位滑槽内滑动设置有齿条板。本发明通过伸出后长于螺杆部的对插杆的作用能提前、较快地实现与螺套端部对插环槽的对插,由于对插环槽周向开设面域更大,更易找到后对插且对插杆与对插环槽对插后旋动螺丝主体能起到对螺套的扶正作用,确保螺套、螺丝主体轴线在一条线上,极大地便利了后面二者的螺接装配。(The invention discloses an inner hexagonal T-shaped butt joint screw main body which comprises a screw main body and a screw sleeve matched with the screw main body, wherein an inner thread groove is formed in the middle position of the small head end of the screw sleeve, opposite insertion groove grooves formed in the screw sleeve are formed in the periphery of the inner thread groove, a screw rod part matched with the inner thread groove is arranged at the small head end of the screw main body, an insertion groove, a limiting sliding groove, an installation groove and a long hole are sequentially communicated and arranged in the screw main body, an opposite insertion rod is inserted in the insertion groove in a sliding mode, and a rack plate is arranged in the limiting sliding groove in a sliding mode. The invention can realize the opposite insertion of the opposite insertion ring groove with the end part of the screw sleeve in advance and quickly by the action of the opposite insertion rod which is longer than the screw rod part after extending out, and the opposite insertion is easier to find due to the larger circumferential surface area of the opposite insertion ring groove, and the opposite insertion rod and the opposite insertion ring groove can play a role in righting the screw sleeve after being oppositely inserted, thereby ensuring that the axes of the screw sleeve and the screw main body are on the same line and greatly facilitating the screwed connection and assembly of the screw sleeve and the screw main body.)

1. The utility model provides an interior hexagonal T type butt joint screw main part, includes screw main part (2) and assorted swivel nut (1) with it, its characterized in that, interior thread groove (1a) have been seted up to the tip of swivel nut (1) position department placed in the middle, interior thread groove (1a) periphery is provided with sets up on swivel nut (1) to insert annular (1b), the tip of screw main part (2) be provided with interior thread groove (1a) assorted screw rod portion (2a), it has slot (2c), spacing spout (2d), mounting groove (2e), slot hole (2f) to communicate in proper order in screw main part (2), it has inserted rod (2b) to slide to insert in slot (2c), it is provided with rack plate (3) to slide in spacing spout (2d), rack plate (3) are fixed mutually with the lateral wall to insert rod (2b), a pin shaft is rotatably inserted in the mounting groove (2e), a gear (4) and a bevel gear a (5) are fixedly sleeved outside the pin shaft in sequence, the gear (4) is meshed with the rack plate (3) and connected, and a belt rotating mechanism matched with the bevel gear a (5) is mounted in the long hole (2 f).

2. The socket head cap T-shaped butt screw body according to claim 1, the belt rotating mechanism comprises a fixed pipe (10) fixedly arranged in the long hole (2f), a rotating rod (7) is rotatably inserted in the fixed pipe (10), a bevel gear b (6) is fixed at one end of the rotating rod (7) extending into the mounting groove (2e), the bevel gear b (6) is engaged with the bevel gear a (5), one end of the rotating rod (7) close to the bevel gear b (6) is fixedly sleeved with a ferrule (8), the outer surface of the ferrule (8) is rotationally connected with the inner side wall of the long hole (2f), a spring (9) is sleeved outside the rotating rod (7), the head end and the tail end of the spring (9) are respectively fixed with one end of the ferrule (8) opposite to the fixed tube (10), the side face of the big end of the screw main body (2) is provided with a locking mechanism matched with the rotating rod (7).

3. The inner hexagonal T-shaped butt-joint screw body as claimed in claim 1, wherein the locking mechanism comprises two opposite seats (12) symmetrically installed on the side surface of the end portion of the screw body (2), a connecting block (11) is fixed at one end of the rotating rod (7) extending out of the screw body (2), and the two opposite seats (12) and the connecting block (11) are locked and limited through a bolt (13).

4. The inner hexagonal T-shaped butt joint screw body as claimed in claim 3, wherein a circular hole a for inserting the plug pin (13) is formed in the middle of the connecting block (11), and circular holes b for inserting the plug pin (13) are formed in both of the opposite seats (12).

5. A socket head cap T-shaped butt screw body according to claim 4, characterized in that the plug (13) is formed by bending and pressing a thin iron wire.

6. The hexagonal socket T-shaped butt screw body according to claim 1, wherein the depth of the opposite socket groove (1b) is about one quarter of the depth of the internal thread groove (1 a).

7. A socket head cap T-shaped butt screw body according to claim 2, wherein the spring (9) is a strong torsion spring.

8. The inner hexagonal T-shaped butt joint screw body as claimed in claim 1, wherein the end side faces of the big end of the screw sleeve (1) and the screw body (2) are both provided with inner hexagonal grooves.

Technical Field

The invention relates to the technical field of fasteners for exhibitions, in particular to a socket head cap T-shaped butt-joint screw main body.

Background

With the development of science and technology, exhibitions have major innovations in form and content, such as comprehensive expression techniques integrating sound, light and electricity, train exhibition, automobile exhibition, ship exhibition and airplane exhibition, trade exhibition in which only video or chart is shown or pasted, and even telex communication is adopted, and the like.

The exhibition industry refers to an industry system formed by enterprises, organizations and departments with exhibition-related services. The exhibition economy refers to the economic category formed by exhibition and related industries. The exhibition industry is an industry which is developed at a high speed in recent years in China. The national initiative has formally proposed the exhibition industry between about 1998 and 1999. Since the exhibitor industry is considered by foreign experts to have 1: 9, the exhibitions can bring huge economic benefits and more importantly huge social benefits.

The installation of the used show board of exhibitions, show frame etc. all can not leave the use of fastener, and the common just belongs to hexagon socket head cap T type butt joint screw main part, but has following problem in the actual installation: when the thickness of two panels that need the fastening is too big, the shell, the screw main part insert the punchhole department of two panels respectively, because the hole is too deep still the hole counterpoint at first the deviation appears and the too big scheduling problem of setting of hole aperture, the condition that can not dock through the adjustment of very long time position can appear in shell, screw main part, and this can seriously influence the assembly efficiency between the panel.

Disclosure of Invention

The invention aims to solve the defects in the prior art, such as: when the thickness of two plates needing to be fastened is too large, the screw sleeve and the screw main body are respectively inserted into the punching positions of the two plates, and due to the fact that the holes are too deep and the problems that the holes are offset at the beginning and the hole diameters are too large, the screw sleeve and the screw main body can not be butted after long-time direction adjustment, and then the inner hexagonal T-shaped butt joint screw main body is provided.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a hexagon socket head cap T type butt joint screw main part, includes screw main part and assorted screw shell with it, the little head end position department placed in the middle of the screw shell has seted up the internal thread groove, the internal thread groove periphery is provided with sets up the opposite insertion groove on the screw shell, the little head end of screw main part is provided with the screw rod portion that matches with the internal thread groove, it has slot, spacing spout, mounting groove, slot hole to communicate in proper order in the screw main part, it has the opposite inserted rod to slide in the slot, it is provided with the rack board to slide in the spacing spout, the rack board is fixed mutually with the lateral wall to the inserted rod, the round pin axle has been inserted to the installation inslot internal rotation, the fixed cover in proper order of round pin axle has connected gear and bevel gear a, the gear is connected with the meshing of rack board, install in the slot hole and take the spiral mechanism that matches with.

Preferably, the belt screwing mechanism comprises a fixed pipe fixedly installed in the long hole, a rotating rod is rotatably inserted in the fixed pipe, a bevel gear b is fixed at one end of the rotating rod extending into the installation groove, the bevel gear b is meshed with the bevel gear a, a ferrule is fixedly sleeved at one end of the rotating rod close to the bevel gear b, the outer surface of the ferrule is rotatably connected with the inner side wall of the long hole, a spring is sleeved outside the rotating rod, the head end and the tail end of the spring are respectively fixed with one ends, opposite to the ferrule and the fixed pipe, of the fixed pipe, and a locking mechanism matched with the rotating rod is arranged on the side surface of the large end of the screw main body.

Preferably, the locking mechanism comprises two opposite seats symmetrically arranged on the side face of the end part of the screw body, a connecting block is fixed at one end of the rotating rod extending out of the screw body, and the two opposite seats and the connecting block are locked and limited through a bolt.

Preferably, the middle part of the connecting block is provided with a round hole a for inserting the bolt, and the two opposite seats are provided with round holes b for inserting the bolt.

Preferably, the plug is formed by bending and pressing a thin iron wire.

Preferably, the depth of the opposite insertion groove is about one fourth of the depth of the internal thread groove.

Preferably, the spring is a strong torsion spring.

Preferably, the side surfaces of the big head ends of the screw sleeve and the screw main body are provided with inner hexagonal grooves.

The invention has the beneficial effects that: with the swivel nut, the screw main part passes the trompil department of two panels respectively, take out the bolt, later through stretching out the back and be good at the effect to the inserted bar of screw rod portion can advance, realize relatively fast and the plug-in of swivel nut tip to the inserted ring groove, because it is bigger to offering the face domain to the inserted ring groove circumference, change find back to plug-in and to the inserted bar and to the inserted ring groove after to plug-in rotating screw main part can play the effect of rightting the swivel nut, ensure the swivel nut, screw main part axis is on an line, the spiro union assembly of the two at back has greatly been facilitated.

Drawings

FIG. 1 is an assembly view of a socket head cap T-shaped butt screw body according to the present invention;

FIG. 2 is a cross-sectional view of the insert of the present invention;

FIG. 3 is a partial sectional view of the screw body according to the present invention;

FIG. 4 is a perspective view of the insert of the present invention;

FIG. 5 is a side view of the end of the screw body of the present invention.

In the figure: the screw comprises a 1 screw sleeve, a 1a internal thread groove, a 1b opposite insertion groove, a 2 screw main body, a 2a screw part, a 2b opposite insertion rod, a 2c insertion groove, a 2d limiting sliding groove, a 2e installation groove, a 2f long hole, a 3-tooth strip plate, a 4 gear, a5 bevel gear a, a 6 bevel gear b, a 7 rotating rod, an 8 ferrule, a 9 spring, a 10 fixed pipe, an 11 connecting block, a 12 opposite seat and a 13 inserted pin.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-5, an inner hexagonal T-shaped butt-joint screw body comprises a screw body 2 and a screw sleeve 1 matched with the screw body, wherein an inner thread groove 1a is arranged at the middle position of the small end of the screw sleeve 1, an opposite insertion ring groove 1b arranged on the screw sleeve 1 is arranged at the periphery of the inner thread groove 1a, the depth of the opposite insertion ring groove 1b is about one fourth of the depth of the inner thread groove 1a, a screw rod part 2a matched with the inner thread groove 1a is arranged at the small end of the screw body 2, a slot 2c, a limit sliding groove 2d, an installation groove 2e and a long hole 2f are sequentially communicated and arranged in the screw body 2, an opposite insertion rod 2b is slidably inserted in the slot 2c, a rack plate 3 is slidably arranged in the limit sliding groove 2d, the rack plate 3 is fixed with the side wall of the opposite insertion rod 2b, a pin shaft is rotatably inserted in the installation groove 2e, a gear 4 and a bevel gear 5, the gear 4 is meshed with the rack plate 3, and a belt-rotating mechanism matched with the bevel gear a5 is arranged in the long hole 2 f; the belt rotating mechanism comprises a fixed pipe 10 fixedly installed in a long hole 2f, a rotating rod 7 is inserted in the fixed pipe 10 in a rotating mode, a bevel gear b6 is fixed at one end, extending into the installation groove 2e, of the rotating rod 7, a bevel gear b6 is connected with a bevel gear a5 in a meshed mode, a ferrule 8 is fixedly sleeved at one end, close to a bevel gear b6, of the rotating rod 7, the outer surface of the ferrule 8 is rotatably connected with the inner side wall of the long hole 2f, a spring 9 is sleeved outside the rotating rod 7, the spring 9 is a powerful torsion spring, the head end and the tail end of the spring 9 are respectively fixed with the ferrule 8 and the end, opposite to the fixed pipe 10, and a locking mechanism matched with the rotating rod 7 is arranged.

The locking mechanism comprises two opposite seats 12 symmetrically arranged on the side surface of the end part of the screw main body 2, a connecting block 11 is fixed at one end of the rotating rod 7 extending out of the screw main body 2, the two opposite seats 12 and the connecting block 11 are locked and limited by a bolt 13, a round hole a for the bolt 13 to penetrate through is arranged in the middle of the connecting block 11, round holes b for inserting the inserted pins 13 are respectively arranged on the two opposite seats 12, the inserted pins 13 are formed by bending and pressing thin iron wires, the inserted pins 13 are drawn out, thus the connecting block 11 is released, the rotating rod 7 drives the bevel gear b6 to rotate under the rotating force of the outer spring 9 thereof, the bevel gear b6 is engaged to drive the bevel gear a5 to rotate, the bevel gear a5 drives the gear 4 to rotate so as to drive the rack plate 3 to translate, the opposite insertion rod 2b connected to the rack plate 3 is fed out of the screw body 2 to be longer than the screw portion 2a of the screw body 2.

The big head end side of swivel nut 1, screw main part 2 all has seted up the hexagon socket head cap groove, conveniently uses hexagon socket head cap spanner to fasten swivel nut 1, screw main part 2.

In the invention, the screw sleeve 1 and the screw main body 2 respectively pass through the punched positions of two plates, the bolt 13 is pulled out, so that the connecting block 11 is released, the rotating rod 7 drives the bevel gear b6 to rotate under the rotating action force of the outer spring 9 thereof, the bevel gear b6 is meshed with the bevel gear a5 to rotate, the bevel gear a5 drives the gear 4 to rotate and further drive the rack plate 3 to translate, so that the opposite insertion rod 2b connected with the rack plate 3 is sent out of the screw main body 2 to a length longer than the screw rod part 2a on the screw main body 2, so that when the screw sleeve 1 and the screw main body 2 are installed in opposite positions, when the two are difficult to be in opposite positions due to practical factors, the opposite insertion of the opposite insertion rod 2b which is longer than the screw rod part 2a after extending out can be in advance and quickly realized opposite insertion of the opposite insertion ring groove 1b at the end part of the screw sleeve 1, and as the circumferential, the back is changeed and is inserted to changing to when swivel nut 1, screw body 2 all incline slightly, change to inserted link 2b and find being in 1 tip of swivel nut and lean on marginal position department to inserting ring groove 1b, and to inserted link 2b and to inserting ring groove 1b and rotating screw body 2 can play the effect of rightting to swivel nut 1 after inserting, ensure that swivel nut 1, screw body 2 axis are on a line, greatly facilitated the spiro union assembly of the two at the back.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent substitutions or changes according to the technical solution and the inventive concept of the present invention should be covered by the scope of the present invention.