CN213733546U

CN213733546U - Telescopic variable pitch screw shaft

Info

Publication number: CN213733546U
Application number: CN202022476173.4U
Authority: CN
Inventors: 周海洋
Original assignee: Shandong Hongyang Special Steel Technology Co ltd
Current assignee: Shandong Hongyang Special Steel Technology Co ltd
Priority date: 2020-10-31
Filing date: 2020-10-31
Publication date: 2021-07-20
Anticipated expiration: 2030-10-31

Abstract

The utility model discloses a telescopic variable pitch screw axis, comprising a main body, the surface all around of main part is provided with the junk ring, the one end outer wall of main part is provided with the dead lever, the surface all around of junk ring is provided with a welding piece and No. two welding pieces, the upper end surface of dead lever is provided with the thread groove, the inside of thread groove is provided with the thread bolt, the one end surface of thread bolt is provided with the bolt cap. A telescopic variable pitch screw axis, through dead lever, thread groove, the screw thread bolt that sets up and bolt cap, be favorable to improving the steadiness of screw axis, avoid the screw axis to drop, reduce the possibility that danger takes place, through a welding piece, No. two welding pieces and the rack that sets up, be favorable to improving the work efficiency of screw axis, the people of being convenient for use, this equipment is simple structure not only, convenient operation brings better use prospect moreover.

Description

Telescopic variable pitch screw shaft

Technical Field

The utility model relates to a screw axis field, in particular to telescopic variable pitch screw axis.

Background

The screw shaft is also called a screw pressing shaft, and is a screw shaft (or an integral screw shaft) which is formed by combining and sleeving a plurality of screw presses with different root diameters and a lining ring on one screw pressing shaft, wherein the screw shaft has a gradually reduced screw pitch and a gradually increased root diameter, and is one of main parts of an oil press.

The existing screw shaft has certain disadvantages in use, firstly, in the use process, the existing screw shaft is poor in tightness, and the screw shaft is easy to fall off under high-speed rotation, so that certain danger is caused, and the lining ring on the existing screw shaft is low in working efficiency and inconvenient for people to use, so that certain adverse effect is brought to the use process of people.

Disclosure of Invention

The utility model aims to provide a telescopic variable pitch screw axis can effectively solve the problem among the background art.

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

the utility model provides a telescopic variable pitch screw axis, includes the main part, the surface all around of main part is provided with the junk ring, the one end outer wall of main part is provided with the dead lever, the surface all around of junk ring is provided with welding block and No. two welding blocks, the upper end surface of dead lever is provided with the thread groove, the inside of thread groove is provided with the thread bolt, the one end surface of thread bolt is provided with the bolt cap, one side surface of welding block and No. two welding blocks is provided with the rack.

Preferably, the outer surface of the upper end of the fixing rod and the outer surface of one end of the threaded groove are machined through mechanical equipment, the inner surfaces of the periphery of the threaded groove are movably connected with the outer surfaces of the periphery of the threaded bolt, the outer surface of one end of the threaded bolt is movably connected with the inner part of the bolt cap, and the number of the threaded groove, the threaded bolt and the bolt cap is two.

Preferably, the outer surfaces of one side of the first welding block and the second welding block and the outer surfaces of two ends of the rack are machined through mechanical equipment.

Preferably, the peripheral outer surface of the main body and the outer wall of the lining ring are machined by mechanical equipment.

Preferably, the outer wall of one end of the main body and the outer surface of one end of the fixing rod are machined through mechanical equipment.

Preferably, the peripheral outer surface of the lining ring and the outer surfaces of one ends of the first welding block and the second welding block are processed through mechanical equipment, and the first welding block (4), the second welding block and the rack are arranged on the peripheral outer surface of the lining ring.

Compared with the prior art, the utility model discloses following beneficial effect has: the fixing rod is arranged on the main body through the fixing rod, the thread groove, the thread bolt and the bolt cap, and then the main body is fixed through the thread bolt in the thread groove, the screw bolt is fixed at a designated position and then screwed tightly through the bolt cap, the whole structure is favorable for improving the stability of the screw shaft, avoiding the falling off of the screw shaft and reducing the possibility of danger, the first welding block and the second welding block are processed on the lining ring through the first welding block, the second welding block and the rack, when the spiral shaft rotates, the processing raw materials can be further processed through the rack, and the lining rings can be used for carrying out double processing on the raw materials, the integral structure is favorable for improving the working efficiency of the screw shaft and is convenient for people to use, the whole telescopic variable-pitch screw shaft is simple in structure and convenient to operate, and the using effect is better than that of the traditional mode.

Drawings

Fig. 1 is a schematic view of the overall structure of a telescopic variable pitch screw shaft according to the present invention;

fig. 2 is a schematic structural view of a fixing rod 3 in the telescopic variable pitch screw shaft of fig. 1 according to the present invention;

FIG. 3 is a schematic structural view of a first welding block 4 and a second welding block 5 in the telescopic variable pitch screw shaft of the present invention shown in FIG. 1;

fig. 4 is an enlarged schematic structural diagram of a in fig. 3 of a telescopic variable pitch screw shaft according to the present invention.

In the figure: 1. a main body; 2. a gasket; 3. fixing the rod; 4. a first welding block; 5. a second welding block; 6. a thread groove; 7. a threaded bolt; 8. a bolt cap; 9. a rack.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "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 description, but do not indicate or imply that the device or element to which the reference is made 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" and "second" 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 in specific cases to those skilled in the art.

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. 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.

As shown in fig. 1-4, the telescopic variable pitch screw shaft comprises a main body 1, a lining ring 2 is arranged on the peripheral outer surface of the main body 1, a fixing rod 3 is arranged on the outer wall of one end of the main body 1, a first welding block 4 and a second welding block 5 are arranged on the peripheral outer surface of the lining ring 2, a thread groove 6 is arranged on the outer surface of the upper end of the fixing rod 3, a thread bolt 7 is arranged inside the thread groove 6, a bolt cap 8 is arranged on the outer surface of one end of the thread bolt 7, and a rack 9 is arranged on the outer surface of one side of each of the first welding block 4 and the second welding block 5.

Further, the upper end surface of dead lever 3 forms through mechanical equipment processing with the one end surface of thread groove 6, thread groove 6 internal surface all around and thread bolt 7 all around surface swing joint, the one end surface of thread bolt 7 and the inside swing joint of bolt cap 8, thread groove 6, the quantity of thread bolt 7 and bolt cap 8 is two sets of, when using, through the dead lever 3 that sets up, thread groove 6, thread bolt 7 and bolt cap 8, install dead lever 3 on main part 1, the inside thread bolt 7 of rethread thread groove 6 is fixed main part 1, and fix thread bolt 7 in the assigned position, rethread bolt cap 8 screws up thread bolt 7, overall structure is favorable to improving the steadiness of screw axis, avoid the screw axis to drop, reduce the possibility that dangerous emergence.

Further, one side surface of a welding block 4 and a welding block 5 and the two ends surface of the rack 9 are processed through mechanical equipment to form, when the spiral shaft is used, the welding block 4 and the welding block 5 are processed on the lining ring 2 through the welding block 4 and the rack 9, the welding block 4 and the welding block 5 are processed on the lining ring 2, when the spiral shaft rotates, further processing can be carried out on processing raw materials through the rack 9, and double processing can be carried out on the raw materials through the lining ring 2, the integrated structure is favorable for improving the working efficiency of the spiral shaft, and the spiral shaft is convenient for people to use.

Furthermore, the peripheral outer surface of the main body 1 and the outer wall of the lining ring 2 are processed by mechanical equipment, and the lining ring 2 is convenient for processing raw materials.

Further, the outer wall of one end of the main body 1 and the outer surface of one end of the fixing rod 3 are machined through mechanical equipment, and the fixing rod 3 is favorable for fastening the screw rod.

Further, the outer surface all around of junk ring 2 and the one end surface of a welding piece 4 and No. two welding pieces 5 form through the machining equipment processing, and a welding piece 4 and No. two welding pieces 5 are convenient for fasten rack 9, and the outer surface all around of junk ring 2 all is provided with a welding piece 4, No. two welding pieces 5 and rack 9.

It should be noted that, the utility model relates to a telescopic variable pitch screw shaft, before using, through the dead lever 3, the thread groove 6, the thread bolt 7 and the bolt cap 8 that set up, install the dead lever 3 on the main part 1, and then fix the main part 1 through the thread bolt 7 inside the thread groove 6, and fix the thread bolt 7 at the assigned position, and then tighten the thread bolt 7 through the bolt cap 8, the overall structure is favorable to improving the steadiness of screw shaft, avoid the screw shaft to drop, reduce the possibility of danger, through the welding block 4 that sets up, the welding block 5 and the rack 9, process the welding block 4 and the welding block 5 on the lining ring 2, when the screw shaft rotates, can carry out further processing to the raw materials through the rack 9, and can carry out double processing to the raw materials through the lining ring 2, the overall structure is favorable to improving the work efficiency of screw shaft, is convenient for people to use and is relatively practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A telescopic variable pitch screw shaft comprises a main body (1), and is characterized in that: the outer surface all around of main part (1) is provided with junk ring (2), the one end outer wall of main part (1) is provided with dead lever (3), the surface all around of junk ring (2) is provided with welding block (4) and No. two welding block (5), the upper end surface of dead lever (3) is provided with thread groove (6), the inside of thread groove (6) is provided with threaded bolt (7), the one end surface of threaded bolt (7) is provided with bolt cap (8), one side surface of welding block (4) and No. two welding block (5) is provided with rack (9).

2. A telescopic variable pitch screw spindle according to claim 1, wherein: the outer surface of the upper end of the fixing rod (3) and the outer surface of one end of the threaded groove (6) are machined through mechanical equipment, the inner surfaces of the periphery of the threaded groove (6) are movably connected with the outer surfaces of the periphery of the threaded bolt (7), the outer surface of one end of the threaded bolt (7) is movably connected with the inner portion of the bolt cap (8), and the threaded groove (6), the threaded bolt (7) and the bolt cap (8) are two in number.

3. A telescopic variable pitch screw spindle according to claim 1, wherein: the outer surfaces of one side of the first welding block (4) and the second welding block (5) and the outer surfaces of two ends of the rack (9) are machined through mechanical equipment.

4. A telescopic variable pitch screw spindle according to claim 1, wherein: the outer surface of the periphery of the main body (1) and the outer wall of the lining ring (2) are processed by mechanical equipment.

5. A telescopic variable pitch screw spindle according to claim 1, wherein: the outer wall of one end of the main body (1) and the outer surface of one end of the fixing rod (3) are machined through mechanical equipment.

6. A telescopic variable pitch screw spindle according to claim 1, wherein: the outer surface around the lining ring (2) and the outer surface of one end of a first welding block (4) and a second welding block (5) are machined through mechanical equipment, and the outer surface around the lining ring (2) is provided with the first welding block (4), the second welding block (5) and a rack (9).