CN217108072U

CN217108072U - Dark pole screw subassembly

Info

Publication number: CN217108072U
Application number: CN202220980404.1U
Authority: CN
Inventors: 苏科嘉; 王祥志; 陈经磊
Original assignee: Qingdao Zhuhui Copper Industry Co ltd
Current assignee: Qingdao Zhuhui Copper Industry Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-08-02
Anticipated expiration: 2032-04-26

Abstract

The utility model discloses a dark pole screw subassembly relates to dark pole screw subassembly technical field, include: a first lead screw; the screw nut is rotationally connected to the outer wall of the first screw rod; and the auxiliary mechanisms are distributed at the bottom end of the screw nut. The utility model discloses a set up complementary unit, it carries out synchronous revolution to rotate annular rack drive multiunit straight-teeth gear, the straight-teeth gear is rotatory to drive the second lead screw, second lead screw rotary drive telescopic link drives the locking piece and removes to one end, when a set of locking piece in the multiunit locking piece aligns with first lead screw inner wall thread groove, the locking piece removes to one end and inserts in the first lead screw inner wall thread groove, carry out the locking with screw and first lead screw, when having in the multiunit locking piece and taking place the dislocation with first lead screw inner wall thread groove, the locking piece is blockked when removing to one end, make telescopic link extrusion spring remove to one end, cooperation through above multiunit part has realized that the screw carries out the function of locking fast with first lead screw, avoid the screw to take place to become flexible.

Description

Dark pole screw subassembly

Technical Field

The utility model relates to a dark pole screw subassembly technical field specifically is a dark pole screw subassembly.

Background

With the development of society, the application of screw rod screw nut is more extensive, and the screw rod is the ideal product that turns rotary motion into rectilinear motion, or turns rectilinear motion into rotary motion, need cooperate with the screw nut when the lead screw uses, and this kind of connection form of lead screw and screw nut is called the spiral connection.

At present, the screw rod is widely applied to installation and fixation of components, the fixation effect is good, certain problems still exist, and the problem that the nut is not firm due to looseness of the screw rod and the nut under the long-time stress condition is caused, and even the safety problem may be caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dark pole screw subassembly to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a dark pole nut assembly comprising:

a first lead screw;

the screw nut is rotationally connected to the outer wall of the first screw rod;

the auxiliary mechanism is distributed at the bottom end of the screw and used for preventing the screw from loosening, the auxiliary mechanism comprises a connecting shell and an annular rack, the connecting shell is fixedly connected to the bottom end of the screw, and the annular rack is rotatably connected to the outer wall of the connecting shell and penetrates into the connecting shell;

and the fixing mechanisms are distributed on the inner wall of the auxiliary mechanism and the outer wall of the annular rack and are used for locking and unlocking the annular rack and the connecting shell.

As a further aspect of the present invention: complementary unit still includes second lead screw, telescopic link, connecting block, spring locking piece and straight-teeth gear, the second lead screw rotates to be connected the inside of connecting the shell, the straight-teeth gear cup joints the outer wall of second lead screw, and with the annular rack toothing is connected, the telescopic link cup joints the outer wall of second lead screw, connecting block fixed connection be in the inner wall of screw, and be located the top of telescopic link, locking piece fixed connection be in the one end of telescopic link, the one end fixed connection of spring be in the outer wall of telescopic link, and the other end with locking piece fixed connection.

As the utility model discloses further scheme again: fixing mechanism includes arc piece, fixing bolt and fixed orifices, arc piece fixed connection be in the outer wall of annular rack, and be located the outside of connecting the shell, annular rack rotates to be connected the inner wall of connecting the shell, the telescopic link is seted up the inner wall of connecting the shell.

As a further aspect of the present invention: the one end fixedly connected with thread bush of telescopic link, the telescopic link cup joints through one end thread bush the outer wall of second lead screw, telescopic link one end thread bush outer wall fixedly connected with stopper, the connecting block inner wall seted up with telescopic link one end thread bush outer wall stopper assorted spout.

As a further aspect of the present invention: the outer wall of the second screw rod is fixedly connected with a bearing sleeve, and the second screw rod is rotatably connected with the connecting shell through the bearing sleeve fixedly connected with the outer wall.

As the utility model discloses further scheme again: the outer wall fixedly connected with stopper of annular rack, annular rack pass through outer wall fixed connection's stopper with connect the shell and rotate and be connected.

As a further aspect of the present invention: the inner wall of the connecting shell is provided with a sliding chute matched with the locking block, the locking block is provided with a plurality of groups, and the locking blocks are distributed in the connecting shell at equal intervals.

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

1. the fixing mechanism is arranged, the arc-shaped block is pulled to move towards one end, the arc-shaped block moves towards one end to drive the annular rack to rotate, when the arc-shaped block drives the annular rack to rotate to a specified position, the fixing bolt rotates to be aligned with the position of the fixing hole, then the fixing bolt is rotated to enable the fixing bolt to be installed in the fixing hole, the arc-shaped block is fixed, the annular rack and the connecting shell are fixed, the function of quickly fixing the annular rack and the connecting shell is achieved through the matching of the plurality of groups of parts, and the overall stability of the device is improved;

2. through setting up complementary unit, it carries out synchronous revolution to rotate annular rack drive multiunit straight-teeth gear, the straight-teeth gear is rotatory to drive the second lead screw rotatory, second lead screw rotary drive telescopic link drives the locking piece and removes to one end, when a set of locking piece in the multiunit locking piece aligns with first lead screw inner wall thread groove, the locking piece removes to one end and inserts in the first lead screw inner wall thread groove, carry out the locking with nut and first lead screw, when having in the multiunit locking piece and taking place the dislocation with first lead screw inner wall thread groove, the locking piece is blockked when removing to one end, make telescopic link extrusion spring remove to one end, cooperation through above multiunit part has realized that the nut carries out the function of locking fast with first lead screw, avoid the nut to take place to become flexible.

Drawings

FIG. 1 is a schematic view of a dark-stem nut assembly;

FIG. 2 is an enlarged view of a dark rod nut assembly at A;

FIG. 3 is a cross-sectional view of a nut and connecting shell of a dark-stem nut assembly;

FIG. 4 is an enlarged view of a dark bar nut assembly at B;

fig. 5 is a schematic view of the internal structure of a connecting shell of a dark-stem nut assembly.

In the figure: 1. a first lead screw; 2. a nut; 3. an auxiliary mechanism; 301. a connecting shell; 302. an annular rack; 303. a second lead screw; 304. a telescopic rod; 305. connecting blocks; 306. a spring; 307. a locking block; 308. a spur gear; 4. a fixing mechanism; 401. an arc-shaped block; 402. fixing the bolt; 403. and (7) fixing holes.

Detailed Description

Referring to fig. 1 to 5, in an embodiment of the present invention, a concealed rod nut assembly includes:

a first lead screw 1;

the screw nut 2 is rotationally connected to the outer wall of the first screw rod 1;

the auxiliary mechanism 3 is distributed at the bottom end of the screw 2 and used for preventing the screw 2 from loosening, the auxiliary mechanism 3 comprises a connecting shell 301 and an annular rack 302, the connecting shell 301 is fixedly connected to the bottom end of the screw 2, and the annular rack 302 is rotatably connected to the outer wall of the connecting shell 301 and penetrates into the connecting shell 301;

and the fixing mechanisms 4 are distributed on the inner wall of the auxiliary mechanism 3 and the outer wall of the annular rack 302 and are used for locking and unlocking the annular rack 302 and the connecting shell 301.

This kind of dark pole screw subassembly, at first, with screw 2 rotatory to the assigned position, then rotate annular rack 302 drive connecting shell 301 internals and insert in 1 inner wall thread groove of first lead screw, then fix annular rack 302 and connecting shell 301 again to this stability that improves the device is holistic, carries out the locking with screw 2 and first lead screw 1 with this, avoids screw 2 to take place to become flexible.

In fig. 3-5: complementary unit 3 still includes second lead screw 303, telescopic link 304, connecting block 305, spring 306 locking piece 307 and spur gear 308, second lead screw 303 rotates to be connected in the inside of connecting shell 301, spur gear 308 cup joints the outer wall at second lead screw 303, and be connected with the meshing of annular rack 302, telescopic link 304 cup joints the outer wall at second lead screw 303, connecting block 305 fixed connection is at the inner wall of screw 2, and be located the top of telescopic link 304, locking piece 307 fixed connection is in the one end of telescopic link 304, the one end fixed connection of spring 306 is at the outer wall of telescopic link 304, and the other end and locking piece 307 fixed connection.

This kind of dark pole screw subassembly, it carries out synchronous revolution to rotate annular rack 302 drive multiunit straight-tooth gear 308, straight-tooth gear 308 is rotatory to drive second lead screw 303 rotatoryly, second lead screw 303 rotary drive telescopic link 304 drives locking piece 307 and moves to one end, when a set of locking piece 307 in multiunit locking piece 307 aligns with 1 inner wall thread groove of first lead screw, locking piece 307 moves to one end and inserts in 1 inner wall thread groove of first lead screw, carry out the locking with screw 2 and first lead screw 1, when having in multiunit locking piece 307 and taking place the dislocation with 1 inner wall thread groove of first lead screw, locking piece 307 is blockked when moving to one end, make telescopic link 304 extrusion spring 306 move to one end, the cooperation through above multiunit part has realized that screw 2 carries out the function of locking fast with first lead screw 1, avoid screw 2 to take place to become flexible.

In fig. 2: the fixing mechanism 4 comprises an arc block 401, a fixing bolt 402 and a fixing hole 403, the arc block 401 is fixedly connected to the outer wall of the annular rack 302 and located outside the connecting shell 301, the annular rack 302 is rotatably connected to the inner wall of the connecting shell 301, and the telescopic rod 304 is arranged on the inner wall of the connecting shell 301.

This kind of dark pole screw subassembly, pulling arc piece 401 removes to one end, arc piece 401 removes to one end and drives annular rack 302 and rotate, when arc piece 401 drives annular rack 302 and rotates the assigned position, fixing bolt 402 rotates to align with fixed orifices 403 position, then rotate fixing bolt 402, make fixing bolt 402 install inside fixed orifices 403, fix arc piece 401, thereby fix annular rack 302 with connect shell 301, the cooperation through above multiunit part has realized that annular rack 302 carries out the function fixed fast with connecting shell 301, the holistic stability of device has been improved.

In fig. 4: the one end fixedly connected with thread bush of telescopic link 304, telescopic link 304 cup joints at the outer wall of second lead screw 303 through one end thread bush, and telescopic link 304 one end thread bush outer wall fixedly connected with stopper, connecting block 305 inner wall seted up with telescopic link 304 one end thread bush outer wall stopper assorted spout.

This kind of dark pole screw subassembly, the rotatory drive telescopic link 304 of second lead screw 303 of being convenient for slides at connecting block 305 outer wall, avoids telescopic link 304 to take place the skew at the in-process that removes through the stopper.

In fig. 4: the outer wall of the second screw 303 is fixedly connected with a bearing sleeve, and the second screw 303 is rotatably connected with the connecting shell 301 through the bearing sleeve fixedly connected with the outer wall.

This kind of dark pole screw subassembly, the second lead screw 303 of being convenient for rotates inside connecting shell 301, through the bearing housing of second lead screw 303 outer wall fixed connection, reduces and connect the frictional force between the shell 301.

In fig. 3: the outer wall of the annular rack 302 is fixedly connected with a limiting block, and the annular rack 302 is rotatably connected with the connecting shell 301 through the limiting block fixedly connected with the outer wall.

This kind of dark pole screw subassembly, the annular rack 302 of being convenient for rotates, through annular rack 302 outer wall fixed connection's stopper, avoids annular rack 302 to take place the skew at the pivoted in-process.

In fig. 5: the inner wall of connecting shell 301 has been seted up with locking piece 307 assorted spout, and locking piece 307 is provided with the multiunit, and multiunit locking piece 307 equidistance distributes in the inside of connecting shell 301.

This kind of dark pole screw subassembly, the locking piece 307 of being convenient for slides in 1 inner wall thread groove of first lead screw, carries out the locking with screw 2 and first lead screw 1.

The utility model discloses a theory of operation is: the arc-shaped block 401 is pulled to move towards one end, the arc-shaped block 401 moves towards one end to drive the annular rack 302 to rotate, when the arc-shaped block 401 drives the annular rack 302 to rotate to a specified position, the fixing bolt 402 rotates to be aligned with the position of the fixing hole 403, then the fixing bolt 402 is rotated to enable the fixing bolt 402 to be installed inside the fixing hole 403, the arc-shaped block 401 is fixed, so that the annular rack 302 and the connecting shell 301 are fixed, the function of rapidly fixing the annular rack 302 and the connecting shell 301 is achieved through the matching of the above multiple groups of parts, the stability of the whole device is improved, the annular rack 302 is rotated to drive the multiple groups of straight gears 308 to synchronously rotate, the straight gears 308 rotate to drive the second lead screw 303 to rotate, the second lead screw 303 rotates to drive the telescopic rod 304 to drive the locking block 307 to move towards one end, when one group of the locking blocks 307 in the multiple groups of locking blocks 307 is aligned with the thread groove on the inner wall of the first lead screw 1, locking piece 307 moves to one end and inserts in 1 inner wall thread groove of first lead screw, carries out the locking with screw 2 and first lead screw 1, when having in multiunit locking piece 307 and taking place the dislocation with 1 inner wall thread groove of first lead screw, locking piece 307 is blockked when moving to one end, makes telescopic link 304 extrusion spring 306 remove to one end, has realized through the cooperation of above multiunit part that screw 2 carries out the function of locking fast with first lead screw 1, avoid screw 2 to take place to become flexible.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A dark pole nut assembly, comprising:

a first screw (1);

the screw nut (2) is rotatably connected to the outer wall of the first screw rod (1);

the auxiliary mechanism (3) is distributed at the bottom end of the screw nut (2) and used for preventing the screw nut (2) from loosening, the auxiliary mechanism (3) comprises a connecting shell (301) and an annular rack (302), the connecting shell (301) is fixedly connected to the bottom end of the screw nut (2), and the annular rack (302) is rotatably connected to the outer wall of the connecting shell (301) and penetrates into the connecting shell (301);

and the fixing mechanisms (4) are distributed on the inner wall of the auxiliary mechanism (3) and the outer wall of the annular rack (302) and are used for locking and unlocking the annular rack (302) and the connecting shell (301).

2. A dark-bar screw assembly according to claim 1, wherein the auxiliary mechanism (3) further comprises a second screw rod (303), a telescopic rod (304), a connecting block (305), a spring (306) locking block (307) and a spur gear (308), the second screw rod (303) is rotatably connected to the inside of the connecting shell (301), the spur gear (308) is sleeved on the outer wall of the second screw rod (303) and is engaged with the ring-shaped rack (302), the telescopic rod (304) is sleeved on the outer wall of the second screw rod (303), the connecting block (305) is fixedly connected to the inner wall of the screw nut (2) and is located above the telescopic rod (304), the locking block (307) is fixedly connected to one end of the telescopic rod (304), one end of the spring (306) is fixedly connected to the outer wall of the telescopic rod (304), and the other end is fixedly connected with the locking block (307).

3. A dark-stem screw assembly according to claim 2, wherein the fixing mechanism (4) comprises an arc-shaped block (401), a fixing bolt (402) and a fixing hole (403), the arc-shaped block (401) is fixedly connected to the outer wall of the annular rack (302) and is located outside the connecting shell (301), the annular rack (302) is rotatably connected to the inner wall of the connecting shell (301), and the telescopic rod (304) is arranged on the inner wall of the connecting shell (301).

4. The dark pole screw assembly of claim 3, wherein one end of the telescopic rod (304) is fixedly connected with a threaded sleeve, the telescopic rod (304) is sleeved on the outer wall of the second screw rod (303) through the threaded sleeve, the outer wall of the threaded sleeve at one end of the telescopic rod (304) is fixedly connected with a limiting block, and the inner wall of the connecting block (305) is provided with a sliding groove matched with the limiting block of the outer wall of the threaded sleeve at one end of the telescopic rod (304).

5. A dark-stem screw assembly according to claim 3, wherein the outer wall of the second screw (303) is fixedly connected with a bearing sleeve, and the second screw (303) is rotatably connected with the connecting shell (301) through the bearing sleeve fixedly connected with the outer wall.

6. A dark-rod nut assembly according to claim 3, wherein the outer wall of the annular rack (302) is fixedly connected with a limiting block, and the annular rack (302) is rotatably connected with the connecting shell (301) through the limiting block fixedly connected with the outer wall.

7. A blind nut assembly according to claim 3, wherein the connecting shell (301) has a sliding groove formed in an inner wall thereof for matching with the locking block (307), the locking block (307) is provided with a plurality of sets, and the locking blocks (307) of the plurality of sets are equidistantly distributed in the connecting shell (301).