CN215861247U

CN215861247U - Screw rod of anti-loosening self-locking mechanism

Info

Publication number: CN215861247U
Application number: CN202122430974.1U
Authority: CN
Inventors: 范桂芳; 耿方志; 高明祥; 韩培红; 赫庆坤
Original assignee: Qingdao Zhaoyu Machinery Co ltd
Current assignee: Qingdao Zhaoyu Machinery Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-02-18
Anticipated expiration: 2031-10-09

Abstract

The utility model relates to the technical field of self-locking devices and discloses a screw rod of an anti-loosening self-locking mechanism, which comprises a screw rod, wherein a first limiting pin is fixedly connected to one side of the screw rod, a first anti-slip pad is movably sleeved outside the first limiting pin, a first clamping plate is installed on one side of the first anti-slip pad, and a second clamping plate is installed on one side of the first clamping plate. This locking self-locking mechanism's lead screw that moves, first slipmat and second slipmat have been cup jointed through the outside activity respectively with the first limited round pin of device and second limited round pin, the position that can drive the first slipmat of device and second slipmat to this is injectd, the non-slip groove has been seted up through the inboard of the first slipmat of device and second slipmat simultaneously, can drive the outside of first centre gripping panel and second centre gripping panel and carry out the centre gripping and inject, and play the outside that prevents first centre gripping panel and second centre gripping panel and carry out the effect that the centre gripping was injectd.

Description

Screw rod of anti-loosening self-locking mechanism

Technical Field

The utility model relates to the technical field of self-locking devices, in particular to a screw rod of an anti-loosening self-locking mechanism.

Background

The screw is a tool for fastening the parts of the object step by utilizing the physics and mathematical principles of the inclined circular rotation and friction of the object. Screws are a common term for fasteners, a common spoken word. The screw is indispensable industry requisite in daily life: extremely small screws used for cameras, glasses, clocks, electronics, and the like; general screws for televisions, electric appliances, musical instruments, furniture, and the like; large screws and nuts are used for engineering, buildings and bridges; the screw rod of the anti-loosening self-locking mechanism is developed by combining large and small screws, and the problem of loosening when the screws and nuts are fixed can occur when the screw rod is used, so that dangerous phenomena are caused.

In the screw rod of the existing anti-loosening self-locking mechanism, a screw is installed in a matched manner with a nut to drive the screw and the nut to clamp and limit an object, but a self-locking device is not installed on a conventional screw, so that the nut is loosened, and certain danger is caused; screw and nut carry out the centre gripping to the both ends of panel simultaneously, nevertheless can appear that the panel is inside to appear not hard up, can drive the screw and directly rotate around the inside of panel, continuously rotate the thread groove that can set up the screw outside and cause fatigue damage's problem.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of a screw rod of the conventional anti-loosening self-locking mechanism, the utility model provides the screw rod of the anti-loosening self-locking mechanism, which is characterized in that the positions of a first anti-slip mat and a second anti-slip mat can be limited by installing a first limiting pin and a second limiting pin in the first anti-slip mat and the second anti-slip mat, and the inner sides of the first anti-slip mat and the second anti-slip mat are provided with anti-slip grooves, so that when the inner sides of the first anti-slip mat and the second anti-slip mat are in contact with the outer walls of a first clamping plate and a second clamping plate, the problem of loosening between the first clamping plate and the second clamping plate can be avoided; meanwhile, the self-locking device rotating disc is rotated to drive the sliding groove to push the push rod to move inwards, the inner side of the push rod is driven to extrude and limit the outer wall of the screw rod, and therefore the problem that the self-locking device rotating disc moves is avoided, the self-locking limiting advantage is achieved, and the problem in the background technology is solved.

The utility model provides the following technical scheme: a screw rod of an anti-loosening self-locking mechanism comprises a screw rod, wherein one side of the screw rod is fixedly connected with a first limiting pin, a first anti-skid pad is movably sleeved outside the first limiting pin, a first clamping plate is arranged on one side of the first anti-skid pad, a second clamping plate is arranged on one side of the first clamping plate, a nut is connected with the outer thread of the middle part of the screw rod, one side of the screw cap is fixedly connected with a second limiting pin, a second anti-skid pad is movably sleeved outside the second limiting pin, the inner side of the other side of the screw cap is fixedly connected with a connecting plate, the outer part of the inner part of the connecting plate is movably sleeved with a self-locking device rotating disc, the outer side of the connecting plate is provided with a positioning pin, the inner part of the rotating disc of the self-locking device is provided with a sliding chute, the inner part of the outer side of the nut is movably sleeved with a push rod, and the outer part of the push rod is movably sleeved with a spring.

Preferably, the first clamping plate and the second clamping plate are clamped between the first anti-skid pad and the second anti-skid pad, and anti-skid grooves are formed in the inner sides of the first anti-skid pad and the second anti-skid pad.

Preferably, five first limiting pins are arranged on one side of the lead screw at equal intervals, five second limiting pins are arranged on one side of the screw cap, and the first limiting pins and the second limiting pins are respectively clamped inside the first anti-skid pad and the second anti-skid pad.

Preferably, five groups of small holes are formed in the outer portion of the self-locking device rotating disc at equal intervals, three small holes are formed in each group, permanent magnets are installed in the small holes, and the positioning pins penetrate through the connecting plate and are movably sleeved in the small holes.

Preferably, the outer portion of the sliding groove is provided with an arc-shaped groove, the upper portion of the push rod extends into the sliding groove, the self-locking device rotating disc can rotate for forty-five degrees around the nut, and the spring is clamped between the push rod and the inner side of the self-locking device rotating disc.

Preferably, the first anti-slip mat, the first clamping plate, the second anti-slip mat and the connecting plate are movably sleeved outside the screw rod, and the screw cap is in threaded connection with the screw rod.

Compared with the screw rod of the existing anti-loosening self-locking mechanism, the anti-loosening self-locking mechanism has the following beneficial effects:

1. this locking self-locking mechanism's lead screw that moves, first slipmat and second slipmat have been cup jointed through the outside activity respectively with the first limited round pin of device and second limited round pin, the position that can drive the first slipmat of device and second slipmat to this is injectd, the non-slip groove has been seted up through the inboard of the first slipmat of device and second slipmat simultaneously, can drive the outside of first centre gripping panel and second centre gripping panel and carry out the centre gripping and inject, and play the outside that prevents first centre gripping panel and second centre gripping panel and carry out the effect that the centre gripping was injectd.

2. This locking self-locking mechanism's lead screw that moves, through rotating the self-locking device rolling disc, the inboard that drives the spout extrudees the upper portion of push rod, can continuously promote the push rod and move to the inboard, it is injectd to drive the push rod to extrude the outside of lead screw, thereby avoid carrying out not hard up problem between lead screw and the nut, reverse rotation self-locking device rolling disc simultaneously, the rear end that drives the push rod reduces to be injectd, and the push rod is under spring elastic's effect, get back to initial position, can conveniently drive the rotatory or not hard up problem of nut.

Drawings

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

FIG. 2 is a schematic cross-sectional view of a structural body of the present invention;

FIG. 3 is a partial cross-sectional view of the self-locking device of the present invention;

fig. 4 is an enlarged schematic view of the structure a of the present invention.

In the figure: 1. a screw shaft; 2. a first restraining pin; 3. a first non-slip mat; 4. a first clamping plate; 5. a second clamping plate; 6. a nut; 7. a second restraining pin; 8. a second non-slip mat; 9. a connecting plate; 10. a self-locking device rotating disc; 11. positioning pins; 12. a chute; 13. a push rod; 14. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, 2, 3 and 4, a lead screw of a locking self-locking mechanism includes a lead screw 1, a first limiting pin 2 is fixedly connected to one side of the lead screw 1, a first anti-slip pad 3 is movably sleeved outside the first limiting pin 2, the first limiting pin 2 drives the first anti-slip pad 3 to clamp and limit the position of the first anti-slip pad 3, the position of the first anti-slip pad 3 is driven to clamp and limit, a first clamping plate 4 is installed on one side of the first anti-slip pad 3, the first anti-slip pad 3 is driven to contact with the first clamping plate 4, the outer portion of the first clamping plate 4 is driven to perform auxiliary positioning, a second clamping plate 5 is installed on one side of the first clamping plate 4, a nut 6 is connected to the outer thread of the middle portion of the lead screw 1, the nut 6 is rotated to drive the nut 6 to perform a thread motion with the lead screw 1, and the second anti-slip pad 8 is driven to move to the inner side, a second limiting pin 7 is fixedly connected to one side of the nut 6, a second anti-slip pad 8 is movably sleeved on the outer portion of the second limiting pin 7, the second anti-slip pad 8 is clamped on the outer portion of the second limiting pin 7 to drive the position of the second anti-slip pad 8 to be limited, the outer side of the second clamping plate 5 is positioned in an auxiliary mode, a connecting plate 9 is fixedly connected to the inner side of the other side of the nut 6, a self-locking device rotating disc 10 is movably sleeved on the outer portion inside the connecting plate 9, a positioning pin 11 is installed on the outer side of the connecting plate 9 and inserted into the positioning pin 11 to drive the positioning pin 11 to penetrate through the connecting plate 9 and clamp and limit the outer side of the self-locking device rotating disc 10, a chute 12 is formed inside the self-locking device rotating disc 10, a push rod 13 is movably sleeved on the inner portion outside the nut 6, a spring 14 is movably sleeved on the outer portion of the push rod 13, the self-locking device rotating disc 10 is rotated to push the chute 12 to rotate, the driving sliding groove 12 extrudes the push rod 13 to the inner side, and the inner side of the driving push rod 13 clamps and limits the outer side of the screw rod 1, so that the self-locking positioning effect can be achieved.

Referring to fig. 2, the first clamping plate 4 and the second clamping plate 5 are clamped between the first non-slip mat 3 and the second non-slip mat 8, the inner sides of the first non-slip mat 3 and the second non-slip mat 8 are provided with non-slip grooves, the first clamping plate 4 and the second clamping plate 5 are clamped between the first non-slip mat 3 and the second non-slip mat 8, the first non-slip mat 3 and the second non-slip mat 8 can be driven to be clamped and limited, the inner sides of the first non-slip mat 3 and the second non-slip mat 8 are provided with non-slip grooves, the tightness of the first clamping plate 4 and the second clamping plate 5 can be increased, and the problem of movement between the first clamping plate 4 and the second clamping plate 5 is avoided.

Referring to fig. 2, five first limiting pins 2 are equidistantly installed on one side of a lead screw 1, five second limiting pins 7 are installed on one side of a nut 6, the first limiting pins 2 and the second limiting pins 7 are respectively clamped inside a first anti-skid pad 3 and a second anti-skid pad 8, the first anti-skid pad 3 and the second anti-skid pad 8 are respectively movably sleeved on the outer portions of the first limiting pins 2 and the second limiting pins 7, so that the positions of the first anti-skid pad 3 and the second anti-skid pad 8 can be driven to be limited, and anti-skid grooves are formed in the inner sides of the first anti-skid pad 3 and the second anti-skid pad 8, so that the outer portions of the first clamping plate 4 and the second clamping plate 5 can be driven to be clamped and limited, and the function of preventing the outer sides of the first clamping plate 4 and the second clamping plate 5 from being clamped and limited is achieved.

Refer to fig. 1, five groups of apertures have been seted up to the outside equidistant of self-lock device rolling disc 10, three has been seted up to every group aperture, the internally mounted of aperture has the permanent magnet, locating pin 11 passes connecting plate 9 and the activity cup joints in the inside of aperture simultaneously, five groups of apertures have been seted up through the outside equidistant with device self-lock device rolling disc 10, and seted up threely with every group aperture, through rotating self-lock device rolling disc 10, can drive the position of spout 12 and adjust, pass connecting plate 9 with locating pin 11 simultaneously, extend to the inside of different apertures simultaneously, can drive the permanent magnet and adsorb locating pin 11 and prescribe a limit, can drive the position between self-lock device rolling disc 10 and the nut 6 and prescribe a limit to so far, thereby make things convenient for the drive arrangement to carry out the effect of fixing a position.

Referring to fig. 4, an arc-shaped groove is formed in the outer portion of the sliding groove 12, the upper portion of the push rod 13 extends into the sliding groove 12, the self-locking device rotating disc 10 can rotate forty-five degrees around the nut 6, the spring 14 is clamped between the push rod 13 and the inner side of the self-locking device rotating disc 10, the inner side of the sliding groove 12 is driven to extrude the upper portion of the push rod 13 by rotating the self-locking device rotating disc 10, the push rod 13 can be continuously pushed to move towards the inner side, the push rod 13 is driven to extrude and limit the outer side of the screw rod 1, the problem that the screw rod 1 and the nut 6 are loosened is avoided, meanwhile, the self-locking device rotating disc 10 is reversely rotated, the rear end of the push rod 13 is driven to reduce and limit, the push rod 13 returns to the initial position under the elastic effect of the spring 14, and the problem that the nut 6 can be conveniently driven to rotate or loosen is solved.

Referring to fig. 1, first slipmat 3, first centre gripping panel 4, second centre gripping panel 5, second slipmat 8 and connecting plate 9 are all moved about and cup joint in the outside of lead screw 1, mutual threaded connection between nut 6 and the lead screw 1, through cup jointing first slipmat 3, first centre gripping panel 4, second centre gripping panel 5, second slipmat 8 and connecting plate 9 are all moved about and cup joint in the outside of lead screw 1, can carry out the centre gripping to the position of first slipmat 3, first centre gripping panel 4, second centre gripping panel 5, second slipmat 8 and connecting plate 9 and prescribe a limit, thereby increase the steadiness of device centre gripping.

The working principle is as follows: when the device is used, the first anti-skid pad 3 penetrates through the screw rod 1 to drive the first anti-skid pad 3 to be movably adjusted outside the first limiting pin 2, the screw rod 1 sequentially penetrates through the inside of the first clamping plate 4 and the second clamping plate 5, the nut 6 is arranged on the other side of the screw rod 1, the nut 6 is rotated to drive the nut 6 to perform threaded motion with the screw rod 1, the second anti-skid pad 8 is driven to extrude and limit the other side of the second clamping plate 5, the positions of the first anti-skid pad 3 and the second anti-skid pad 8 can be limited through the first limiting pin 2 and the second limiting pin 7 of the device, and anti-skid grooves are formed in the inner sides of the first anti-skid pad 3 and the second anti-skid pad 8, so that the problem that the first clamping plate 4 and the second clamping plate 5 are driven to rotate by the first clamping plate 4 and the second clamping plate 3 is driven to loosen, rotate the nut 6 simultaneously, drive and extrude between first centre gripping panel 4 and the second centre gripping panel 5 and prescribe a limit to the back, rotate self-lock device rolling disc 10, it is rotatory to drive spout 12, can drive spout 12 and promote push rod 13 and move to the inboard, the inboard of drive push rod 13 and the outer wall contact of lead screw 1, thereby prescribe a limit to the position between lead screw 1 and the nut 6, thereby play the effect of auto-lock, appear becoming flexible when placing later stage screw and using and cause dangerous phenomenon, carry out the auto-lock back simultaneously, pass locating pin 11 with the inside of connecting plate 9, it passes connecting plate 9 and extends to the inside of seting up the aperture in the self-lock device rolling disc 10 outside simultaneously to drive locating pin 11, can carry out the centre gripping to the position between self-lock device rolling disc 10 and the nut 6 and prescribe a limit.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a locking self-locking mechanism's lead screw that moves, includes lead screw (1), its characterized in that: a first limiting pin (2) is fixedly connected to one side of the screw rod (1), a first anti-slip pad (3) is sleeved on the outer portion of the first limiting pin (2), a first clamping plate (4) is installed on one side of the first anti-slip pad (3), a second clamping plate (5) is installed on one side of the first clamping plate (4), a nut (6) is connected to the outer portion of the middle portion of the screw rod (1) in a threaded manner, a second limiting pin (7) is fixedly connected to one side of the nut (6), a second anti-slip pad (8) is sleeved on the outer portion of the second limiting pin (7), a connecting plate (9) is fixedly connected to the inner side of the other side of the nut (6), a self-locking device rotating disc (10) is sleeved on the outer portion of the connecting plate (9), a positioning pin (11) is installed on the outer side of the connecting plate (9), a sliding groove (12) is formed in the self-locking device rotating disc (10), the inner part of the outer side of the nut (6) is movably sleeved with a push rod (13), and the outer part of the push rod (13) is movably sleeved with a spring (14).

2. The lead screw of the anti-loosening self-locking mechanism according to claim 1, wherein: the clamping device is characterized in that the first clamping plate (4) and the second clamping plate (5) are clamped between the first non-slip mat (3) and the second non-slip mat (8), and non-slip grooves are formed in the inner sides of the first non-slip mat (3) and the second non-slip mat (8).

3. The lead screw of the anti-loosening self-locking mechanism according to claim 1, wherein: first restriction round pin (2) are installed five in one side equidistant of lead screw (1), five are installed in one side of nut (6) in second restriction round pin (7), first restriction round pin (2) and second restriction round pin (7) centre gripping respectively in the inside of first slipmat (3) and second slipmat (8).

4. The lead screw of the anti-loosening self-locking mechanism according to claim 1, wherein: five groups of small holes are formed in the outer portion of the self-locking device rotating disc (10) at equal intervals, three small holes are formed in each group, permanent magnets are installed in the small holes, and the positioning pins (11) penetrate through the connecting plate (9) and are movably sleeved in the small holes.

5. The lead screw of the anti-loosening self-locking mechanism according to claim 1, wherein: the outer portion of the sliding groove (12) is provided with an arc-shaped groove, the upper portion of the push rod (13) extends into the sliding groove (12), the self-locking device rotating disc (10) can rotate for forty-five degrees around the nut (6), and the spring (14) is clamped between the push rod (13) and the inner side of the self-locking device rotating disc (10).

6. The lead screw of the anti-loosening self-locking mechanism according to claim 1, wherein: the screw rod clamping device is characterized in that the first anti-slip pad (3), the first clamping plate (4), the second clamping plate (5), the second anti-slip pad (8) and the connecting plate (9) are movably sleeved outside the screw rod (1), and the screw cap (6) and the screw rod (1) are in threaded connection with each other.