CN218256686U - Spliced screw rod butted through units - Google Patents

Abstract

The utility model discloses a concatenation formula screw rod through unit butt joint belongs to screw rod technical field, including spiral shell head and two sections concatenation formula screw rods, first section concatenation formula screw rod includes the sleeve, telescopic surface is provided with the screw thread, sleeve fixed mounting is at the lower surface of spiral shell head, the sleeve is close to one side of spiral shell head and has seted up the through hole, second section concatenation formula screw rod includes the plane pole, the inside fixed mounting of plane pole has flexible subassembly, telescopic one end fixed mounting is kept away from to the plane pole has the threaded rod. The utility model discloses novel structure, easy operation, stability is higher.

Description

Spliced screw rod butted through units

Technical Field

The utility model relates to a concatenation formula screw rod especially relates to a concatenation formula screw rod through unit butt joint, belongs to screw rod technical field.

Background

The screw is a cylinder with a spiral groove cut on the outer surface or a cone with a conical spiral groove cut on the outer surface, and is widely applied to plastic forming equipment, such as plastic profile extruders, injection molding machines and the like.

The existing screw is generally of an integral structure, when the length of the screw is insufficient, the length of the screw cannot be adjusted, and only the screw with the proper length can be selected for replacement, so that time and labor are consumed. Therefore, how to develop a spliced screw rod butted by units is a problem to be solved at present.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the above-mentioned problems, the utility model provides a concatenation formula screw rod through unit butt joint.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a design a concatenation formula screw rod through unit butt joint, includes spiral shell head and two sections concatenation formula screw rods, first section concatenation formula screw rod includes the sleeve, telescopic surface is provided with the screw thread, sleeve fixed mounting is at the lower surface of spiral shell head, the through hole has been seted up to one side that the sleeve is close to the spiral shell head, second section concatenation formula screw rod includes the plane pole, the inside of plane pole has been seted up and has been run through the groove, the inside fixed mounting who runs through the groove has flexible subassembly, the telescopic one end fixed mounting is kept away from to the plane pole has the threaded rod.

Preferably, the telescopic assembly comprises two penetrating columns, sliding grooves are formed in two sides of the penetrating columns, sliding blocks are arranged in the sliding grooves in a sliding mode, and one ends, far away from the sliding grooves, of the sliding blocks are fixedly connected with the penetrating columns.

Preferably, the number of the sliding blocks is four, and the sliding blocks are symmetrically arranged by taking the central axes of the two penetrating columns as centers.

Preferably, a spring is fixedly connected between every two sliding blocks.

Preferably, the upper surface of the screw head is provided with a circular groove, and the central axis of the circular groove coincides with the central axis of the sleeve.

Preferably, a threaded column is arranged in the circular groove, and the diameter of the circular groove corresponds to the diameter of the threaded column.

Preferably, the shape of the screw head is a regular pentagon.

Compared with the prior art, the beneficial effects of the utility model reside in that:

compared with the prior art, this utility model has increased flexible subassembly, has changed traditional threaded connection's mode, through the cooperation that runs through post and slider, spring, makes the segmented screw rod directly adopt bayonet structure to install, inserts from the spiral shell head through the screw thread post and fixes, convenient and fast during the dismantlement, screws out the screw thread post, and spring and slider shrink inwards, alright realization are dismantled.

Specific embodiments of the present invention are disclosed in detail with reference to the following description and the accompanying drawings, which specify the manner in which the principles of the invention may be employed. It should be understood that the embodiments of the present invention are not so limited in scope. The embodiments of the invention include many variations, modifications and equivalents within the spirit and scope of the appended claims.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a cross-sectional view according to the present invention;

fig. 2 is a schematic front view structure according to the present invention;

fig. 3 is a schematic front view structure according to the present invention;

fig. 4 is a schematic view of a partial structure of a telescopic assembly according to the present invention;

fig. 5 is a schematic view of a partial structure of a telescopic assembly according to the present invention.

In the figure: 1. a screw head; 2. a sleeve; 3. a planar rod; 4. a threaded rod; 5. a circular groove; 6. a through hole; 7. a through groove; 8. penetrating the column; 9. a chute; 10. a slider; 11. a spring; 12. a threaded post.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-5, the concatenation formula screw rod through unit butt joint that this embodiment provided includes spiral shell head 1 and two sections concatenation formula screw rods, first section concatenation formula screw rod includes sleeve 2, the surface of sleeve 2 is provided with the screw thread, 2 fixed mounting of sleeve are at the lower surface of spiral shell head 1, through hole 6 has been seted up to one side that sleeve 2 is close to spiral shell head 1, second section concatenation formula screw rod includes plane pole 3, the inside of plane pole 3 has been seted up and has been run through groove 7, the inside fixed mounting who runs through groove 7 has flexible subassembly, the one end fixed mounting that sleeve 2 was kept away from to plane pole 3 has threaded rod 4.

Furthermore, the telescopic assembly comprises two penetrating columns 8, sliding grooves 9 are formed in two sides of the penetrating columns 8, sliding blocks 10 are arranged in the sliding grooves 9 in a sliding mode, and one ends, far away from the sliding grooves 9, of the sliding blocks 10 are fixedly connected with the penetrating columns 8.

Further, the number of the sliding blocks 10 is four, and the sliding blocks are symmetrically arranged by taking the central axes of the two penetrating columns 8 as centers.

Further, a spring 11 is fixedly connected between every two sliders 10.

Further, circular groove 5 has been seted up to the upper surface of spiral shell head 1, just the axis of circular groove 5 and the axis of sleeve 2 coincide mutually.

Further, a threaded column 12 is arranged in the circular groove 5, and the diameter of the circular groove 5 corresponds to the diameter of the threaded column 12.

Further, the shape of the screw head 1 is regular pentagon.

The utility model discloses an application principle and use flow:

during the use, will two run through post 8 and extrude to the centre simultaneously, through slider 10 and spring 11's cooperation, make run through post 8 and plane pole 3 parallel and level, then insert plane pole 3 in sleeve 2, run through post 8 and pop out from running through groove 7, insert screw post 12 on circular slot 5, fix sleeve 2 and plane pole 3, during the dismantlement, unscrew screw post 12, spring 11 and slider 10 are inwards shrunk, alright realization dismantlement.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", 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 the description, but do not indicate or imply that the device or element 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. 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 according to specific situations by those skilled in the art.

The present invention has been described in connection with specific embodiments, but it should be clear to a person skilled in the art that these descriptions are intended to be illustrative and not limiting to the scope of the invention. Various modifications and adaptations of the present invention may occur to those skilled in the art, which are within the spirit and scope of the present invention.

Claims (7)

1. The utility model provides a concatenation formula screw rod through unit butt joint, includes spiral shell head (1) and two sections concatenation formula screw rods, its characterized in that: first section concatenation formula screw rod includes sleeve (2), the surface of sleeve (2) is provided with the screw thread, sleeve (2) fixed mounting has the lower surface at spiral shell head (1), through hole (6) have been seted up to one side that sleeve (2) are close to spiral shell head (1), and second section concatenation formula screw rod includes plane pole (3), the inside of plane pole (3) has been seted up and has been run through groove (7), the inside fixed mounting who runs through groove (7) has flexible subassembly, the one end fixed mounting that sleeve (2) were kept away from in plane pole (3) has threaded rod (4).

2. The screw of claim 1, wherein the screw is a split screw with unit butt joint, wherein: the telescopic assembly comprises two penetrating columns (8), sliding grooves (9) are formed in two sides of the penetrating columns (8), sliding blocks (10) are installed in the sliding grooves (9) in a sliding mode, and one ends, far away from the sliding grooves (9), of the sliding blocks (10) are fixedly connected with the penetrating columns (8).

3. The screw of claim 2, wherein the screw is a split screw with unit butt joint, wherein: the number of the sliding blocks (10) is four, and the sliding blocks are symmetrically arranged by taking the central shafts of the two penetrating columns (8) as centers.

4. A spliced screw rod butted by units as claimed in claim 3, wherein: and a spring (11) is fixedly connected between every two sliding blocks (10).

5. The screw assembly of claim 1, wherein the screw assembly comprises: circular recess (5) have been seted up to the upper surface of spiral shell head (1), just the axis of circular recess (5) and the axis of sleeve (2) coincide mutually.

6. The screw assembly of claim 5, wherein the screw assembly comprises: a threaded column (12) is arranged in the circular groove (5), and the diameter of the circular groove (5) corresponds to the diameter of the threaded column (12).

7. The screw of claim 1, wherein the screw is a split screw with unit butt joint, wherein: the screw head (1) is in a regular pentagon shape.

Images