CN214171255U

CN214171255U - Combined screw rod

Info

Publication number: CN214171255U
Application number: CN202120096163.XU
Authority: CN
Inventors: 杨艺辉
Original assignee: Shenzhen Jieyida Electromechanical Co ltd
Current assignee: Shenzhen Jieyida Electromechanical Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-09-10
Anticipated expiration: 2031-01-14

Abstract

The embodiment of the utility model discloses modular lead screw, concretely relates to lead screw field, including the lead screw sleeve pipe, the sheathed tube both ends of lead screw are provided with the installation pole, the one end fixed surface of installation pole installs the collar. The utility model discloses a pole in setting up, lead screw sleeve pipe and installation pole, when assembling, establish pole in earlier lead screw sleeve pipe cover, establish pole back in pole when the complete cover of lead screw sleeve pipe is established, rotate the lead screw sleeve pipe again, the spacing groove and the second trough of inner wall correspond, at this moment, the second spring on spacing rod surface can outwards promote the stopper, make the stopper imbed into the spacing inslot, fix pole and lead screw sleeve pipe in to, then insert the connecting rod of installation pole one end in the spread groove of pole one end in, the one end of pole in the installation ring cover, the first spring of side inslot portion can outwards promote first gag lever post, the fixture block that makes one end inserts the first logical inslot of collar, carry out fixed connection to installation pole and interior pole, it is comparatively convenient.

Description

Combined screw rod

Technical Field

The embodiment of the utility model provides a lead screw field, concretely relates to modular lead screw.

Background

The screw is the most commonly used transmission element on tool machinery and precision machinery, and its main function is to convert rotary motion into linear motion or convert torque into axial repeated acting force, and has the characteristics of high precision, reversibility and high efficiency.

The prior art has the following defects: the existing screw rods are of an integrated structure, when damage occurs, the whole screw rods are required to be replaced integrally, the maintenance cost is high, some combined screw rods are connected through bolts usually, and the time spent in combination is long.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a modular lead screw, through interior pole, lead screw sleeve pipe and installation pole, when assembling, establish the lead screw sleeve pipe cover in interior pole earlier, establish the pole after interior pole when the complete cover of lead screw sleeve pipe, rotate the lead screw sleeve pipe again, the spacing groove and the second through-slot of inner wall correspond, at this moment, the second spring on spacing pole surface can outwards promote the stopper, make the stopper imbed the spacing inslot, fix interior pole and lead screw sleeve pipe, then in inserting the spread groove of interior pole one end with the connecting rod of installation pole one end, the installation ring overlaps the one end of interior pole, the first spring of side inslot portion can outwards promote first gag lever post, the fixture block that makes one end inserts the first through-slot of collar, carry out fixed connection to installation pole and interior pole, it is comparatively convenient, in order to solve among the prior art because the trouble problem of lead screw equipment.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: the utility model provides a combined screw rod, includes the lead screw sleeve pipe, the sheathed tube both ends of lead screw are provided with the installation pole, the one end fixed surface of installation pole installs the collar, the depression bar has been inserted to the surface both sides of collar, depression bar and collar sliding connection, first logical groove has been seted up to the inside both sides of collar, the one end fixed mounting of collar has the connecting rod, the inside of lead screw sleeve pipe is provided with interior pole, the spread groove has been seted up at the both ends of interior pole, connecting rod and spread groove phase-match, the side channel has been seted up to the surface of interior pole, the inner wall one end fixed mounting of side channel has first fender ring, the inside of side channel is provided with first gag lever post, the surface at first gag lever post is established to first fender ring cover, the one end fixed mounting of first gag lever post has the fixture block.

Further, the outer surface cover of first gag lever post is equipped with first spring, the one end and the first fender ring fixed connection of first spring, the fixture block and the first logical groove phase-match.

Furthermore, the outer surface of one end of the connecting rod is fixedly provided with a magnetic block, and two sides of the inner wall of the screw rod sleeve are provided with limit grooves.

Furthermore, a second through groove is formed in two sides of the inner portion of the inner rod, and a second baffle ring is fixedly mounted at one end of the inner wall of the second through groove.

Furthermore, a second limiting rod is arranged inside the second through groove, the second stop ring is sleeved on the outer surface of the second limiting rod, and the second limiting rod is connected with the second stop ring in a sliding mode.

Furthermore, the outer surface of the second limiting rod is sleeved with a second spring, and one end of the second spring is fixedly connected with the second retaining ring.

Furthermore, one end of the second limiting rod is fixedly provided with a limiting block, and the limiting block is matched with the limiting groove.

The embodiment of the utility model provides a have following advantage:

through setting up interior pole, lead screw sleeve pipe and installation pole, when assembling, establish the lead screw sleeve pipe cover in interior pole earlier, establish the pole after interior pole is established to the complete cover of lead screw sleeve pipe, rotate the lead screw sleeve pipe again, the spacing groove of inner wall corresponds with the second trough, at this moment, the second spring on spacing pole surface can outwards promote the stopper, make the stopper imbed into the spacing inslot, it fixes interior pole and lead screw sleeve pipe, then insert the connecting rod of installation pole one end in the spread groove of interior pole one end, the installation ring overlaps the one end at interior pole, the first spring of side inslot portion can outwards promote first gag lever post, the fixture block that makes one end inserts the first logical inslot of collar, carry out fixed connection to installation pole and interior pole, it is comparatively convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

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

FIG. 2 is a connection structure view of the mounting ring and the inner rod of the present invention;

FIG. 3 is an enlarged view of the point A of FIG. 2 according to the present invention;

FIG. 4 is a connection structure diagram of the screw rod sleeve and the inner rod of the present invention;

fig. 5 is an enlarged view of the point B of fig. 4 according to the present invention.

In the figure: the lead screw comprises a lead screw sleeve 1, a mounting rod 2, a mounting ring 3, a pressure rod 4, a first through groove 5, a connecting rod 6, an inner rod 7, a connecting groove 8, a side groove 9, a first stop ring 10, a first limiting rod 11, a clamping block 12, a first spring 13, a magnetic block 14, a limiting groove 15, a second through groove 16, a second stop ring 17, a second limiting rod 18, a second spring 19 and a limiting block 20.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.

Referring to the attached drawings 1-5 in the specification, the combined screw rod of the embodiment comprises a screw rod sleeve 1, wherein two ends of the screw rod sleeve 1 are provided with mounting rods 2, the outer surface of one end of each mounting rod 2 is fixedly provided with a mounting ring 3, two sides of the outer surface of each mounting ring 3 are inserted with compression rods 4, the compression rods 4 are slidably connected with the mounting rings 3, two sides of the inner part of each mounting ring 3 are provided with first through grooves 5, one end of each mounting rod 2 is fixedly provided with a connecting rod 6, the inner part of the screw rod sleeve 1 is provided with an inner rod 7, two ends of each inner rod 7 are provided with connecting grooves 8, the connecting rods 6 are matched with the connecting grooves 8, the outer surface of each inner rod 7 is provided with a side groove 9, one end of the inner wall of each side groove 9 is fixedly provided with a first baffle ring 10, a first limiting rod 11 is arranged in each side groove 9, and the first baffle ring 10 is sleeved on the outer surface of the first limiting rod 11, one end of the first limiting rod 11 is fixedly provided with a clamping block 12.

Further, the outer surface cover of first gag lever post 11 is equipped with first spring 13, the one end and the first fender ring 10 fixed connection of first spring 13, fixture block 12 and first logical groove 5 phase-match, the inside first spring 13 of side channel 9 can outwards promote first gag lever post 11, makes the fixture block 12 of one end insert the first logical groove 5 of collar 3.

Furthermore, a magnetic block 14 is fixedly mounted on the outer surface of one end of the connecting rod 6, limiting grooves 15 are formed in two sides of the inner wall of the lead screw sleeve 1, and a second limiting rod 18 in the second through groove 16 is attracted by the magnetic force of the magnetic block 14 and can drive a limiting block 20 at one end to be separated from the limiting grooves 15.

Furthermore, a second through groove 16 is formed in two sides of the inner rod 7, a second stop ring 17 is fixedly mounted at one end of the inner wall of the second through groove 16, the screw rod sleeve 1 is rotated to enable the limiting groove 15 and the second through groove 16 to be staggered, and then the mounting rod 2 and the screw rod sleeve 1 are sequentially taken down from the inner rod 7.

Further, a second limiting rod 18 is arranged inside the second through groove 16, the second stop ring 17 is sleeved on the outer surface of the second limiting rod 18, the second limiting rod 18 is connected with the second stop ring 17 in a sliding manner, and a second spring 19 on the surface of the second limiting rod 18 pushes the limiting block 20 outwards, so that the limiting block 20 is embedded into the limiting groove 15 to fix the inner rod 7 and the lead screw sleeve 1.

Further, the outer surface of the second limiting rod 18 is sleeved with a second spring 19, and one end of the second spring 19 is fixedly connected with the second retainer ring 17.

Further, one end of the second limiting rod 18 is fixedly provided with a limiting block 20, and the limiting block 20 is matched with the limiting groove 15.

The implementation scenario is specifically as follows: when the utility model is assembled, the screw rod sleeve 1 is firstly sleeved on the inner rod 7, meanwhile, the limit block 20 at one end of the second limit rod 18 on the inner rod 7 is required to be pushed back to the second through groove 16, when the screw rod sleeve 1 is completely sleeved on the inner rod 7, the screw rod sleeve 1 is rotated, the limit groove 15 of the inner wall corresponds to the second through groove 16, at the moment, the second spring 19 on the surface of the second limit rod 18 can push the limit block 20 outwards, so that the limit block 20 is embedded into the limit groove 15, the inner rod 7 and the screw rod sleeve 1 are fixed, then the connecting rod 6 at one end of the mounting rod 2 is inserted into the connecting groove 8 at one end of the inner rod 7, the mounting ring 3 is sleeved at one end of the inner rod 7, the first spring 13 in the side groove 9 can push the first limit rod 11 outwards, so that the fixture block 12 at one end is inserted into the first through groove 5 of the mounting ring 3, and the mounting rod 2 and the inner rod 7 are fixedly connected, it is comparatively convenient, when dismantling, earlier with depression bar 4 inside promotion, the fixture block 12 of first gag lever post 11 one end pushes back the side channel 9 in, then rotate installation pole 2 and make the side channel stagger with first logical groove 5, drive one end connecting rod 6 simultaneously and rotate, make the magnetic path 14 and the second through-slot 16 on connecting rod 6 surface correspond, the inside second gag lever post 18 of second through-slot 16 receives the magnetic attraction of magnetic path 14, stopper 20 that can drive one end breaks away from spacing groove 15, remove the spacing to lead screw sleeve pipe 1, then rotate lead screw sleeve pipe 1, make spacing groove 15 and second through-slot 16 stagger, then take off installation pole 2 and lead screw sleeve pipe 1 from interior pole 7 in proper order.

The working principle is as follows: referring to the attached drawings 1-5 of the specification, during assembly, firstly, the screw rod sleeve 1 is sleeved on the inner rod 7, after the screw rod sleeve 1 is completely sleeved on the inner rod 7, the screw rod sleeve 1 is rotated, the limiting groove 15 of the inner wall corresponds to the second through groove 16, then the second spring 19 on the surface of the second limiting rod 18 pushes the limiting block 20 outwards, so that the limiting block 20 is embedded into the limiting groove 15, the inner rod 7 and the screw rod sleeve 1 are fixed, then the connecting rod 6 at one end of the mounting rod 2 is inserted into the connecting groove 8 at one end of the inner rod 7, the mounting ring 3 is sleeved at one end of the inner rod 7, the first spring 13 inside the side groove 9 pushes the first limiting rod 11 outwards, so that the fixture block 12 at one end is inserted into the first through groove 5 of the mounting ring 3, when disassembly is carried out, the pressing rod 4 is pushed inwards firstly, the fixture block 12 at one end of the first limiting rod 11 is pushed back into the side groove 9, then, the mounting rod 2 is rotated to enable the side groove to be staggered with the first through groove 5, the connecting rod 6 at one end is driven to rotate at the same time, the magnetic block 14 on the surface of the connecting rod 6 corresponds to the second through groove 16, the second limiting rod 18 inside the second through groove 16 is attracted by the magnetic force of the magnetic block 14, the limiting block 20 at one end can be driven to be separated from the limiting groove 15, then the lead screw sleeve 1 is rotated to enable the limiting groove 15 to be staggered with the second through groove 16, and then the mounting rod 2 and the lead screw sleeve 1 are sequentially taken down from the inner rod 7.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a modular lead screw, includes lead screw sleeve pipe (1), its characterized in that: the lead screw comprises a lead screw sleeve (1), mounting rods (2) are arranged at two ends of the lead screw sleeve (1), a mounting ring (3) is fixedly arranged on the outer surface of one end of each mounting rod (2), pressing rods (4) are inserted into two sides of the outer surface of each mounting ring (3), the pressing rods (4) are slidably connected with the mounting rings (3), first through grooves (5) are formed in two sides of the inner portion of each mounting ring (3), connecting rods (6) are fixedly arranged at one ends of the mounting rods (2), inner rods (7) are arranged in the lead screw sleeve (1), connecting grooves (8) are formed in two ends of each inner rod (7), the connecting rods (6) are matched with the connecting grooves (8), side grooves (9) are formed in the outer surface of the inner rods (7), first baffle rings (10) are fixedly arranged at one ends of the inner walls of the side grooves (9), first limiting rods (11) are arranged in the side grooves (9), the outer surface of a first limiting rod (11) is sleeved with the first baffle ring (10), and a clamping block (12) is fixedly mounted at one end of the first limiting rod (11).

2. The modular screw of claim 1, further comprising: the outer surface cover of first gag lever post (11) is equipped with first spring (13), the one end and the first fender ring (10) fixed connection of first spring (13), fixture block (12) and first logical groove (5) phase-match.

3. The modular screw of claim 1, further comprising: the outer surface of one end of the connecting rod (6) is fixedly provided with a magnetic block (14), and two sides of the inner wall of the screw rod sleeve (1) are provided with limiting grooves (15).

4. A modular screw as claimed in claim 3, in which: and second through grooves (16) are formed in two sides of the inner part of the inner rod (7), and a second baffle ring (17) is fixedly mounted at one end of the inner wall of each second through groove (16).

5. The modular screw of claim 4, wherein: the inside of second logical groove (16) is provided with second gag lever post (18), second fender ring (17) cover is established at the surface of second gag lever post (18), second gag lever post (18) and second fender ring (17) sliding connection.

6. The modular screw of claim 5, wherein: the outer surface cover of second gag lever post (18) is equipped with second spring (19), the one end and the second of second spring (19) keep off ring (17) fixed connection.

7. The modular screw of claim 6, wherein: one end of the second limiting rod (18) is fixedly provided with a limiting block (20), and the limiting block (20) is matched with the limiting groove (15).