CN217630519U

CN217630519U - Double-thread screw

Info

Publication number: CN217630519U
Application number: CN202221419761.7U
Authority: CN
Inventors: 阴志宁; 曹继建
Original assignee: Tangshan Dewang Building Materials Co ltd
Current assignee: Tangshan Dewang Building Materials Co ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-10-21
Anticipated expiration: 2032-06-08

Abstract

The utility model discloses a belong to screw rod technical field, specifically be double thread screw rod, including hollow plastic screw rod main part, hollow plastic screw rod main part below is equipped with plastic gasket, plastic gasket's diameter is greater than the internal diameter of hollow plastic screw rod main part, hollow plastic screw rod main part outer wall surface evenly is equipped with convex double thread, four stopping grooves have evenly been seted up to convex double thread inside, two draw-in grooves have been seted up to hollow plastic screw rod main part top, hollow plastic screw rod main part upper wall evenly is connected with four latches, two the draw-in groove is located adjacent two below between the latch, the cross recess has been seted up on plastic gasket lower wall surface, through the common cooperation between hollow plastic screw rod main part, plastic gasket, latch and the recess, can strut two draw-in grooves after the column inserts hollow plastic screw rod main part is inside, the draw-in groove after being propped off carries on spacingly with four latches to the column, prevents the column slippage.

Description

Double-thread screw

Technical Field

The utility model relates to a screw rod technical field specifically is double thread screw rod.

Background

The screw (the outer surface is cut with the circular cylinder of the helicla flute or cut with the circular cone of the helicla flute of the conical surface, the screw has different heads, the head is called the outer hexagonal screw, but also other, such as big flat screw, inner hexagonal screw, etc.

The hollow screw rod can be used as a connecting piece for concrete pouring, the existing hollow screw rod does not have a limiting effect when used as the connecting piece, the column inserted into the hollow screw rod can still move, and the column inside can fall off in actual use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double thread screw rod to the hollow screw rod that proposes in solving above-mentioned background art can regard as a connecting piece to use in concrete placement, and current hollow screw rod does not possess spacing effect when using as the connecting piece, inserts the inside column of hollow screw rod and still can remove, and the inside column of in-service use can take place the problem that drops.

In order to achieve the above object, the utility model provides a following technical scheme: double thread screw rod, including hollow plastics screw rod main part, hollow plastics screw rod main part below is equipped with plastic shim, plastic shim's diameter is greater than the internal diameter of hollow plastics screw rod main part, hollow plastics screw rod main part outer wall surface evenly is equipped with the double thread of convex, four stopping grooves have evenly been seted up to the double thread of convex inside, two draw-in grooves have been seted up to hollow plastics screw rod main part top, hollow plastics screw rod main part upper wall evenly is connected with four latches, two the draw-in groove is located adjacent two below between the latch, the cross recess has been seted up to plastic shim lower wall surface.

Preferably, the inner walls of the four retaining grooves are formed by two inclined planes, and the distance between every two adjacent retaining grooves is the same.

Preferably, the convex double threads are fixedly connected with the surface of the outer wall of the hollow plastic screw main body.

Preferably, a through hole is formed in the plastic gasket, and the inner diameter of the through hole is smaller than the inner diameter of the hollow plastic screw rod main body.

Preferably, the inner wall surface of the hollow plastic screw main body is provided with anti-skid lines.

Compared with the prior art, the beneficial effects of the utility model are that: through the common cooperation between hollow plastics screw rod main part, plastic pad, latch and the recess, can strut two draw-in grooves after the column inserts hollow plastics screw rod main part inside, the draw-in groove after being propped open carries on spacingly with four latches to the column, prevents the column slippage.

Drawings

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

fig. 2 is a schematic view of the bottom view of the present invention.

In the figure: 1. a hollow plastic screw body; 2. a plastic gasket; 3. a convex double thread; 4. a backstop slot; 5. a card slot; 6. clamping teeth; 7. a cross-shaped groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. 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 should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment is as follows:

referring to fig. 1-2, the present invention provides a technical solution: double thread screw rod, including hollow plastics screw rod main part 1, hollow plastics screw rod main part 1 is made for plastics, and the cost is lower, long service life and corrosion-resistant, hollow plastics screw rod main part 1 below is equipped with plastic shim 2, and plastic shim 2 and hollow plastics screw rod main part 1 between the structure of as an organic whole, the material is the same, plastic shim 2's diameter is greater than hollow plastics screw rod main part 1's internal diameter, 1 outer wall surface of hollow plastics screw rod main part evenly is equipped with convex double thread 3, four stopping groove 4 have evenly been seted up to convex double thread 3 inside, two draw-in grooves 5 have been seted up to hollow plastics screw rod main part 1 top, 1 upper wall of hollow plastics screw rod main part evenly is connected with four latches 6, two the draw-in groove 5 is located adjacent two below between the latch 6, cross recess 7 has been seted up to plastic shim 2 lower wall surface.

Four the inner wall of stopping groove 4 is two inclined planes and constitutes, and adjacent two the distance between stopping groove 4 is the same, convex

double thread

3 and 1 outer wall fixed surface of hollow plastic screw main part are connected, the inside through-hole that has seted up of plastic shim 2, the through-hole internal diameter is less than hollow plastic screw main part internal diameter, anti-skidding line has been seted up on 1 inner wall surface of hollow plastic screw main part.

The working principle is as follows: in order to make the inside heat preservation of wall body obtain fixing when concrete placement, generally need fix the heat preservation, insert hollow plastics screw main part 1 inside among this scheme device with reinforcing bar or other structures, insert hollow plastics screw main part 1 inside the heat preservation again, at last with wire net and cross recess 7 looks block again, make the heat preservation structure obtain fixing, reinforcing bar and other structures insert hollow plastics screw main part 1 inside and wear out afterwards, two draw-in grooves 5 are strutted, the latch 6 of two draw-in grooves 5 tops strutted carries on spacing fixedly to reinforcing bar or structure, be difficult for the slippage.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, it will be obvious to those skilled in the art that the present invention is not limited to the details of the foregoing exemplary embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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

Claims

1. Double thread screw rod, including hollow plastic screw rod main part (1), its characterized in that: hollow plastics screw rod main part (1) below is equipped with plastic pad (2), the diameter of plastic pad (2) is greater than the internal diameter of hollow plastics screw rod main part (1), hollow plastics screw rod main part (1) outer wall surface evenly is equipped with convex double thread (3), four stopping groove (4) have evenly been seted up to convex double thread (3) inside, two draw-in grooves (5) have been seted up to hollow plastics screw rod main part (1) top, hollow plastics screw rod main part (1) upper wall evenly is connected with four latch (6), two draw-in groove (5) are located adjacent two below between latch (6), cross recess (7) have been seted up on plastic pad (2) lower wall surface.

2. A double flighted screw according to claim 1, wherein: the inner walls of the four retaining grooves (4) are formed by two inclined planes, and the distance between every two adjacent retaining grooves (4) is the same.

3. A double flighted screw according to claim 1, wherein: the convex double threads (3) are fixedly connected with the surface of the outer wall of the hollow plastic screw main body (1).

4. A double flighted screw according to claim 1, wherein: a through hole is formed in the plastic gasket (2), and the inner diameter of the through hole is smaller than that of the hollow plastic screw rod main body (1).

5. A double flighted screw according to claim 1, wherein: the inner wall surface of the hollow plastic screw main body (1) is provided with anti-skid grains.