CN213919444U

CN213919444U - High-strength screw

Info

Publication number: CN213919444U
Application number: CN202022347531.1U
Authority: CN
Inventors: 叶伟青
Original assignee: Shaoxing Shangyu Rongda Industrial Co ltd
Current assignee: Shaoxing Shangyu Rongda Industrial Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-08-10
Anticipated expiration: 2030-10-20

Abstract

The utility model discloses a high strength screw rod relates to plastics accessory technique, aims at solving the body of rod and is solid state to need to spend the material of more volume to the structure of screw rod, thereby make the higher problem of manufacturing cost of screw rod itself, its technical scheme main points are: including the body of rod and with the coaxial setting of body of rod one end and fixed connection's connecting axle, the spiral shell arris that a plurality of sections intervals of fixedly connected with set up on the periphery wall of the body of rod, and a plurality of the spiral shell arris is located same threaded line, and is adjacent interval between the spiral shell arris is less than single spiral shell arris length, just a plurality of recesses have been seted up on the spiral shell arris. The utility model discloses can reduce the screw rod quantity and maintain the intensity of screw rod and can not take place the weakening condition.

Description

High-strength screw

Technical Field

The utility model relates to a plastics accessory technique, more specifically say, it relates to a high strength screw rod.

Background

The transmission screw is widely applied to drivers for quickly moving, lifting and adjusting angles of furniture, manufacturing, medical equipment and the like.

The screw rod of present sets up the spiral shell arris on the body of rod, and when the injection molding machine extruded, the body of rod was solid state to need to spend more material to the structure of screw rod, thereby make the manufacturing cost of screw rod itself higher.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a high strength screw rod can reduce the screw rod quantity and maintain the intensity of screw rod and can not take place the weakening condition.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a high strength screw rod, includes the body of rod and with the coaxial setting of body of rod one end and fixed connection's connecting axle, the spiral shell arris that a plurality of sections intervals of fixedly connected with set up on the periphery wall of the body of rod, and a plurality of the spiral shell arris is located same thread, and is adjacent interval between the spiral shell arris is less than single spiral shell arris length, just a plurality of recesses have been seted up on the spiral shell arris.

Through adopting above-mentioned technical scheme, set up a plurality of flights on the unified thread through the interval, thereby make a plurality of spaced flights can play the effect the same with a complete flight, and vacancy portion between the adjacent flight then can reduce the quantity of screw rod production, thereby reduce the manufacturing cost of screw rod, and because interval between the adjacent flight is less than single flight length, the condition that breaks away from with flight can not take place for the structure of making with screw rod threaded connection, when moving to another flight from flight with screw rod threaded connection's structure simultaneously, two flights atress simultaneously, structural strength still can be maintained, the cracked condition can not appear flight and body of rod emergence.

The utility model discloses further set up to: the groove width of the groove is 0.5-2 cm.

By adopting the technical scheme, the groove width of the groove is 0.5-2cm, so that the groove width of the groove is smaller, the dosage of the screw edge can be properly reduced, and the structural strength of the screw edge is maintained and cannot be changed.

The utility model discloses further set up to: the thickness of the screw ridge is gradually reduced from inside to outside.

Through adopting above-mentioned technical scheme, because the thickness of spiral shell arris reduces from inside to outside gradually to make the partial structural strength that spiral shell arris and body of rod are connected stronger, make the spiral shell arris be difficult to take place the condition that breaks away from with the body of rod.

The utility model discloses further set up to: the rod body is far away from the one end of connecting axle and is seted up rather than coaxial logical groove that sets up, just the cross-section of leading to the groove is the quadrangle.

Through adopting above-mentioned technical scheme, through setting up logical groove to make its quantity that can reduce the body of rod, thereby practice thrift the cost, reduce the material volume of body of rod production.

The utility model discloses further set up to: the side walls of the through grooves are all arc-shaped edges, and the adjacent arc-shaped edges are tangent.

Through adopting above-mentioned technical scheme, through setting up the arc limit to adjacent arc limit is tangent, makes can resist through arc limit mutual extrusion when the body of rod is tried to take place deformation, and still can maintain the existence in logical groove.

The utility model discloses further set up to: the connecting shaft is arranged on the rod body, the rod body is far away from the reinforcing part which is coaxially arranged at one end of the connecting shaft, a through hole communicated with the through groove is formed in the reinforcing part, and the reinforcing part is in a round table shape.

Through adopting above-mentioned technical scheme, through setting up the rib to make it can carry out structural strength's maintenance to the body of rod on the part of through-hole open-ended, avoid the body of rod to offer the part of through-hole and take place deformation.

To sum up, the utility model discloses following beneficial effect has:

set up a plurality of spiral arriss on the unified thread line through the interval, thereby make a plurality of spaced spiral arriss can play the effect the same with a complete spiral arris, and the vacancy part between the adjacent spiral arriss then can reduce the quantity of screw rod production, thereby reduce the manufacturing cost of screw rod, and because interval between the adjacent spiral arriss is less than single spiral arris length, the condition that breaks away from with the spiral arris can not take place for the structure of making with screw rod threaded connection, when moving to another spiral arris from a spiral arris with screw rod threaded connection's structure simultaneously, two spiral arriss atress simultaneously, structural strength still can be maintained, the cracked condition can not appear spiral arriss and body of rod emergence.

Drawings

Fig. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is an enlarged view taken at A of FIG. 1;

FIG. 3 is a second schematic structural view of the present invention;

fig. 4 is an enlarged view of the point B in fig. 3.

In the figure: 1. a rod body; 11. a through groove; 111. an arc-shaped edge; 2. a screw edge; 21. a groove; 3. a connecting shaft; 4. a reinforcing portion; 41. and a through hole.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Example (b):

as shown in fig. 1, a high strength screw rod, including the body of rod 1 and with the coaxial setting of body of rod 1 one end and integrated into one piece's connecting axle 3, integrated into one piece has the spiral arris 2 that a plurality of sections intervals set up on the periphery wall of the body of rod 1, set up spiral arris 2 on the same helix through the interval, thereby make and need not a whole piece at spiral arris 2 and link together, and the spiral arris 2 of a plurality of sections still can play the spiral direction effect the same with a whole piece spiral arris 2, make the screw rod can reduce the quantity of whole screw rod when people produce, practice thrift the cost.

As shown in fig. 2, the thickness of spiral arris 2 reduces from inside to outside gradually, and a plurality of spiral arris 2 are located same thread, interval between adjacent spiral arris 2 is less than single spiral arris 2 length, because the partial thickness that spiral arris 2 and body of rod 1 are connected is higher, when guaranteeing both to connect, both junctions can bear bigger effort, avoid both to break away from the problem, make the spiral arris 2 that falls into a plurality of sections still have stronger structural strength from this, secondly because interval between adjacent spiral arris 2 is less than single spiral arris 2 length, make the screw rod can not appear the condition that breaks away from with spiral arris 2 with its threaded connection's structure when normal use.

Meanwhile, the plurality of grooves 21 are formed in the screw rib 2, the groove width of each groove 21 is 0.5-2cm, and the grooves 21 are formed, so that the using amount of the screw rib 2 can be reduced while the structural strength of the screw rib 2 is not changed, the cost is reduced, and the production cost of the screw rod is reduced.

As shown in fig. 3 and 4, the one end of the body of rod 1 that keeps away from connecting axle 3 offers rather than coaxial setting's logical groove 11, and the cross-section that leads to groove 11 is the quadrangle, the lateral wall that leads to groove 11 is arc limit 111, and adjacent arc limit 111 is tangent, through setting up logical groove 11, thereby make it reduce the quantity of the body of rod 1, reduce the manufacturing cost of whole screw rod, and because four lateral walls that lead to groove 11 are arc limit 111, and two adjacent arc limits 111 are tangent, thereby make when the body of rod 1 is in the atress, can resist through the arc limit 111 of mutual conflict, make the structural strength of the body of rod 1 can guarantee.

The body of rod 1 keeps away from the rib 4 of the coaxial setting of one end fixedly connected with of connecting axle 3, sets up on the rib 4 with lead to the through-hole 41 of groove 11 intercommunication, rib 4 is the round platform form, and increases rib 4, can make the body of rod 1 take place the open part of groove 11 that deforms most easily and obtain the structure enhancement to make the whole structural strength of screw rod can improve.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a high strength screw rod, includes the body of rod (1) and with body of rod (1) one end coaxial setting and fixed connection's connecting axle (3), its characterized in that: the utility model discloses a screw thread edge (2) of fixedly connected with a plurality of sections interval settings on the periphery wall of the body of rod (1), and a plurality of screw thread edge (2) are located same screw thread, and are adjacent interval between screw thread edge (2) is less than single screw thread edge (2) length, just a plurality of recesses (21) have been seted up on screw thread edge (2).

2. A high strength screw according to claim 1, wherein: the groove width of the groove (21) is 0.5-2 cm.

3. A high strength screw according to claim 1, wherein: the thickness of the screw edge (2) is gradually reduced from inside to outside.

4. A high strength screw according to claim 1, wherein: one end of the rod body (1) far away from the connecting shaft (3) is provided with a through groove (11) which is coaxial with the rod body, and the cross section of the through groove (11) is quadrilateral.

5. A high strength screw according to claim 4, wherein: the side walls of the through grooves (11) are all arc-shaped edges (111), and the adjacent arc-shaped edges (111) are tangent.

6. A high strength screw according to claim 4, wherein: the connecting shaft (3) is kept away from the rod body (1), the reinforcing portion (4) is coaxially arranged at one end of the connecting shaft (3), the reinforcing portion (4) is provided with a through hole (41) communicated with the through groove (11), and the reinforcing portion (4) is in a round table shape.