CN112963428A

CN112963428A - Anti-loosening fastener and mounting device thereof

Info

Publication number: CN112963428A
Application number: CN202110143194.0A
Authority: CN
Inventors: 彭均松
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-06-15
Anticipated expiration: 2041-02-02
Also published as: CN112963428B

Abstract

The invention discloses an anti-loose fastener and a mounting device thereof, comprising a movable rod body and a fixed head body, wherein one end of the movable rod body is provided with a threaded rod, the middle position of the fixed head body is provided with a threaded groove, the inner wall of the threaded groove is provided with an internal thread matched with the threaded rod, and the middle position of the fixed head body extends outwards and is provided with an anti-loose block; the thread groove penetrates through the anti-loosening block; the side wall of the anti-loosening block is provided with a clamping groove, and a clamping piece is arranged in the clamping groove. This scheme is through the setting of the card solid groove on the anti-loosening block and the card solid inslot card firmware, then can be through pushing away the card firmware to the thread groove in to the clearance improves the connection effect with this between supplementary thread groove and the threaded rod, plays locking purpose, and stability is strong.

Description

Anti-loosening fastener and mounting device thereof

Technical Field

The invention relates to the technical field of connecting structures, in particular to an anti-loose fastener and a mounting device thereof.

Background

The connection mode of screw-thread fit is widely applied to the connection and fixation of mechanical structures due to the beneficial effects of convenient disassembly and assembly, good stability and the like.

But in the in-service use process, traditional threaded connection, for being convenient for twist, external screw thread on the screw rod is clearance fit (promptly, there is less clearance between the screw thread after the external screw thread is mated) mostly with the internal thread on the screw, can not cause the influence to the connection effect in conventional use, nevertheless there is vibrations when connection structure in the use, or when producing effort (as being connected of piston rod and piston) along the screw rod axis direction for a long time (axis direction atress can produce one and screw up the reverse power of direction along the screw rod), the not hard up phenomenon of screw rod and screw easily appears, serious still there is the condition that the screw rod breaks away from the screw, influence the result of use.

Disclosure of Invention

The invention aims to: provided is a locking fastener capable of improving the stability of threaded connection.

The technical scheme adopted by the invention is as follows:

a kind of anti-loose fastener, including activity body of rod and fixed head body, one end of the said activity body of rod has threaded rods, the middle position of the said fixed head body has thread grooves, there are female screws cooperating with said threaded rods on the inner wall of said thread groove, the middle position of the said fixed head body extends outwardly and has anti-loose blocks; the thread groove penetrates through the anti-loosening block; the side wall of the anti-loosening block is provided with a clamping groove, and a clamping piece is arranged in the clamping groove. The threaded rod on the movable rod body and the threaded groove on the fixed head body are matched to connect the movable rod body with the fixed head body in a bolt connection mode, and the clamping groove on the anti-loosening block and the clamping piece in the clamping groove can be pushed into the threaded groove to supplement a gap between the threaded groove and the threaded rod so as to improve the connection effect, so that the anti-loosening purpose is achieved, and the stability is high.

Preferably, the clamping piece is arranged in a semicircular thin plate shape, the radial dimension of the inner arc surface of the clamping piece is matched with the radial dimension of the thread groove, and the clamping groove is communicated with the thread groove. The semicircular thin plate-shaped clamping piece is convenient to push the clamping piece into a gap between the thread groove and the threaded rod when being pushed in, so that the using purpose is achieved.

Preferably, the two ends of the clamping piece extend along a direction perpendicular to the clamping piece to form folding lugs, and the clamping groove is provided with an installation groove matched with the folding lugs. The setting of the lug is rolled over, then only can push the card and fix the inslot before the screw is screwed up, after threaded rod and thread groove cooperation, owing to roll over the setting of lug for the card is fixed a piece and can not break away from the card and fix the inslot, guarantees the location effect in the use, and the practicality is strong.

Preferably, the clamping member is provided with a plurality of circular convex teeth extending towards the direction of the inner arc surface of the clamping member. The setting of circular dogtooth then fills the clearance between screw rod and the thread groove through the mode that the clearance was filled up to a plurality of lugs and supplements, compares in the whole involution to the clearance of card firmware, and the condition that the threaded rod is difficult to twist to appear in a plurality of lugs, (a plurality of lug positions can take place slight floating from top to bottom, and the whole twisting that can influence the threaded rod of card firmware is moved).

Preferably, the anti-loosening block is sleeved with a fixing sleeve, and the fixing sleeve is matched with the anti-loosening block.

Arrangement of the fixed sleeve

Preferably, the fixed sleeve comprises a soft rubber part matched with the anti-loosening block and a fixing part used for fixing the fixed sleeve, and the fixed sleeve is integrally formed.

Preferably, be provided with the countersunk groove on the fixed head body, the anti-loosening block sets up the countersunk groove is interior, be provided with fixing bolt on the fixed part, the countersunk groove in be provided with fixing bolt complex fixed screw, countersunk groove bottom still is provided with the seal groove, be provided with the sealing washer in the seal groove, the sealing washer use with fixing bolt with the involution when fixed screw is screwed up the fixed part with clearance between the countersunk groove. The setting of fixing bolt and countersunk head inslot fixed screw on the fixed part for set firmly fixed cover on preventing the loose piece, guarantee the protective effect of other side loose piece, the setting of seal groove and sealing washer then can cooperate sealed prevent the loose piece, and thus avoid liquid entering thread groove when using in liquid to influence the connection effect.

In addition, the invention also discloses a mounting device for mounting the anti-loose fastener, which comprises a supporting component and a positioning component, wherein the supporting component comprises a supporting telescopic rod, the bottom end of the movable head body is provided with a supporting seat, and the piston end of the supporting telescopic rod is matched with the supporting seat; the positioning assembly comprises a fixedly arranged adjusting chamber and two positioning rods symmetrically arranged along the center line of the adjusting chamber, a plurality of inserting and fixing rods are arranged on the positioning rods, inserting and fixing grooves matched with the inserting and fixing rods are formed in the side wall of the movable head body, and the adjusting assembly for adjusting the positioning rods is arranged in the adjusting chamber. The supporting component is arranged for supporting the movable head body through the supporting seat, and the positioning component is arranged for fixing the movable head body through the matching of the inserting fixing rods on the two positioning rods and the inserting fixing grooves, so that the clamping block can be conveniently inserted into the clamping fixing groove.

Preferably, the adjusting part sets up including rotating adjusting screw in the regulating chamber, be provided with on the lateral wall of regulating chamber with the adjusting motor that adjusting screw transmission is connected, adjusting screw is two-way screw, the last symmetry of adjusting screw is provided with the regulating block, the regulating block with two-way screw cooperation sets up, the locating lever passes the regulating chamber with regulating block fixed connection. The adjusting screw, the adjusting motor and the adjusting block are arranged to control the horizontal positions of the two positioning rods, so that the positioning rods can be controlled to horizontally shift, and the fixing head body can be clamped.

Preferably, the control chamber is followed the central line symmetry of the head body that moves about is provided with two, two the intermediate position of control chamber is provided with the picture peg motor, be provided with the mounting panel on the piston of picture peg motor, wind on the mounting panel the pivot symmetry of picture peg motor is provided with a plurality of regulation telescopic links, be provided with the ejecting room on the piston of regulation telescopic link, be provided with the piece feeding groove that is applicable to the card firmware and pushes into on the lateral wall of ejecting room top, be provided with on the lateral wall of ejecting room bottom with card firmware complex play piece groove, the ejecting room is kept away from the one end in play piece groove is provided with pushes away a pole, push away a pole with ejecting room sliding connection. The plug board motor piston upper mounting plate and the setting of adjusting the telescopic link are used for controlling the position of the top piece chamber, thereby the piece outlet groove of the top piece chamber is opposite to the clamping groove, the clamping piece is convenient to push into the clamping groove, it is worth mentioning that the clamping piece is arc-shaped, and a folding lug is arranged on the clamping piece, so that the stacking is not convenient, when in actual use, a columnar stop block can be arranged at the middle position of the top piece chamber, two piece inlet grooves at the top end of the top piece chamber are symmetrically arranged, so that the clamping piece can be placed in sequence from left to right, in addition, the piece outlet groove can be matched and set to be in a U shape, when in use, only one clamping piece can be pushed out at a time, and the mounting effect is.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the anti-loosening device, the clamping groove in the anti-loosening block and the clamping piece in the clamping groove are arranged, so that the clamping piece can be pushed into the threaded groove, the gap between the threaded groove and the threaded rod is supplemented, the connecting effect is improved, the anti-loosening purpose is achieved, and the stability is high.

2. According to the invention, through the arrangement of the folding lug, the clamping piece can be pushed into the clamping groove only before the screw is screwed, and after the threaded rod is matched with the threaded groove, the clamping piece cannot be separated from the clamping groove due to the arrangement of the folding lug, so that the positioning effect in the use process is ensured, and the practicability is strong.

3. According to the invention, the fixing sleeve is fixedly arranged on the anti-loosening block through the fixing bolt on the fixing part and the fixing screw hole in the countersunk head groove, so that the protection effect of the anti-loosening block on the other side is ensured, and the sealing groove and the sealing ring are arranged, so that the anti-loosening block can be sealed in a matched manner, and the phenomenon that liquid enters the thread groove to influence the connection effect when the anti-loosening block is used in liquid is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a loose-proof fastener according to the present invention.

Fig. 2 is a schematic cross-sectional view of fig. 1.

Fig. 3 is an enlarged schematic view of the area a in fig. 2.

Fig. 4 is a schematic structural view of the fastener of the present invention.

FIG. 5 is a side view of the fastener of the present invention.

Fig. 6 is an installation view of the loose proof fastener installation apparatus of the present invention.

Fig. 7 is a side view of the structure of fig. 6.

Fig. 8 is an enlarged schematic view of the region B in fig. 6.

Fig. 9 is a schematic view of the structure of the top member chamber in the present invention.

The labels in the figure are: 1-a movable rod body, 2-a fixed head body, 3-a threaded rod, 4-a threaded groove, 5-an anti-loose block, 6-a clamping groove, 7-a clamping piece, 8-a folding lug, 9-a mounting groove, 10-a circular convex tooth, 11-a fixed sleeve, 12-a soft rubber part, 13-a fixed part, 14-a countersunk groove, 15-a fixed bolt, 16-a fixed screw hole, 17-a sealing groove, 18-a sealing ring, 19-a supporting telescopic rod, 20-a supporting seat, 21-an adjusting chamber, 22-a positioning rod, 23-a clamping rod, 24-a clamping groove, 25-an adjusting screw rod, 26-an adjusting motor, 27-an adjusting block, 28-a plate inserting motor, 29-a mounting plate, 30-an adjusting telescopic rod, 31-a piece ejecting chamber, 32-an inlet groove, 33-an outlet groove and 34-a pushing rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

As shown in fig. 1-5, an anti-loose fastener and a mounting device thereof comprise a movable rod body 1 and a fixed head body 2, wherein one end of the movable rod body 1 is provided with a threaded rod 3, the middle position of the fixed head body 2 is provided with a threaded groove 4, the inner wall of the threaded groove 4 is provided with an internal thread matched with the threaded rod 3, and the middle position of the fixed head body 2 extends outwards and is provided with an anti-loose block 5; the thread groove 4 is arranged through the anti-loosening block 5; a clamping groove 6 is formed in the side wall of the anti-loosening block 5, and a clamping piece 7 is arranged in the clamping groove 6; the clamping piece 7 is arranged in a semicircular thin plate shape, the radial dimension of the inner arc surface of the clamping piece 7 is matched with the radial dimension of the thread groove 4, and the clamping groove 6 is communicated with the thread groove 4; folding lugs 8 are arranged at two ends of the clamping piece 7 in an extending manner along a direction vertical to the clamping piece 7, and an installation groove 9 matched with the folding lugs 8 is arranged on the clamping groove 6; the clamping piece 7 is provided with a plurality of circular convex teeth 10 extending towards the direction of the inner arc surface of the clamping piece 7; the anti-loosening block 5 is sleeved with a fixed sleeve 11, and the fixed sleeve 11 is matched with the anti-loosening block 5; the fixed sleeve 11 comprises a soft rubber part 12 matched with the anti-loosening block 5 and a fixed part 13 used for fixing the fixed sleeve 11, and the fixed sleeve 11 is integrally formed; be provided with countersunk groove 14 on fixed head body 2, anti-loose piece 5 sets up in countersunk groove 14, be provided with fixing bolt 15 on the fixed part 13, countersunk groove 14 be provided with fixing bolt 15 complex fixed screw 16, countersunk groove 14 bottom still is provided with seal groove 17, be provided with sealing washer 18 in the seal groove 17, sealing washer 18 use with fixing bolt 15 with the involution when fixing screw 16 screws up fixed part 13 with clearance between countersunk groove 14.

In the use process, firstly, the folded lug 8 end of the clamping piece 7 is pushed in along the mounting groove 9, and the clamping piece 7 is in a semicircular thin plate shape, so that the folded lug 8 can be directly pushed into the mounting groove 9 on the other side from the mounting groove 9 on one side to complete the mounting of the clamping piece 7, and then, the threaded rod 3 is only required to be screwed into the threaded groove 4, then the fixing sleeve 11 is sleeved on the anti-loosening block 5, and the fixing sleeve 11 is fixed through the fixing bolt 15, so that the connection between the fixing head body 2 and the movable rod body 1 is completed.

After connecting through above-mentioned mode, because circular dogtooth 10 on the card firmware 7 is located thread groove 4 all the time, can make the clearance between threaded rod 3 and the internal thread by circular dogtooth 10 compensation to make threaded rod 3 and anti-loosening block 5 zonulae occludens, avoid appearing connecting the not hard up condition because of the vibrations of spare part, locking effect is splendid.

In addition, the invention also includes the installation device of the above-mentioned anti-loose fastener, as shown in fig. 6-9, including a supporting component and a positioning component, the supporting component includes a supporting telescopic rod 19, the bottom end of the movable head body is provided with a supporting seat 20, the piston end of the supporting telescopic rod 19 is matched with the supporting seat 20; the positioning assembly comprises a fixedly arranged adjusting chamber 21 and two positioning rods 22 symmetrically arranged along the central line of the adjusting chamber 21, a plurality of insertion fixing rods 23 are arranged on the positioning rods 22, insertion fixing grooves 24 matched with the insertion fixing rods 23 are arranged on the side wall of the movable head body, and an adjusting assembly for adjusting the positioning rods 22 is arranged in the adjusting chamber 21; the adjusting assembly comprises an adjusting screw 25 rotatably arranged in the adjusting chamber 21, an adjusting motor 26 in transmission connection with the adjusting screw 25 is arranged on the side wall of the adjusting chamber 21, the adjusting screw 25 is a bidirectional screw, adjusting blocks 27 are symmetrically arranged on the adjusting screw 25, the adjusting blocks 27 are matched with the bidirectional screw, and the positioning rod 22 penetrates through the adjusting chamber 21 and is fixedly connected with the adjusting blocks 27; adjustment chamber 21 is followed the central line symmetry of the head body that moves about is provided with two, two the intermediate position of adjustment chamber 21 is provided with picture peg motor 28, be provided with mounting panel 29 on picture peg motor 28's the piston, wind on the mounting panel 29 picture peg motor 28's pivot symmetry is provided with a plurality of regulation telescopic links 30, be provided with ejecting room 31 on adjusting telescopic link 30's the piston, be provided with on the lateral wall of ejecting room 31 top and be applicable to the fastener 7 and push into an advancing piece groove 32, be provided with on the lateral wall of ejecting room 31 bottom with fastener 7 complex play piece groove 33, ejecting room 31 is kept away from the one end in play piece groove 33 is provided with pushes away a pole 34, push away a pole 34 with ejection room 31 sliding connection.

When the mounting device is used, the supporting base 20 is only needed to be put on the piston of the supporting telescopic rod 19, then the supporting telescopic rod 19 is controlled to move upwards to a proper position, the adjusting motor 26 is started, the adjusting motor 26 drives the adjusting screw rod 25 to rotate when rotating, the adjusting block 27 horizontally deflects to push the inserting fixing rod 23 into the inserting fixing groove 24 to be fixed, then the inserting plate motor 28 is controlled to rotate to the ejecting part chamber 31 to be matched with the clamping groove 6 through the ejecting part groove 33, then the pushing part rod 34 is pushed to push the clamping block at the bottom end of the ejecting part chamber 31 into the clamping groove 6 (a plurality of clamping blocks are arranged in the ejecting part chamber 31 through the ejecting part groove 32), and the steps are repeated to complete the mounting of the clamping parts 7.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a locking fastener, includes the activity body of rod (1) and fixed head body (2), its characterized in that, the one end of the activity body of rod (1) is provided with threaded rod (3), the intermediate position of fixed head body (2) is provided with thread groove (4), be provided with on thread groove (4) inner wall with threaded rod (3) complex internal thread, wherein:

the middle position of the fixed head body (2) extends outwards and is provided with an anti-loosening block (5);

the thread groove (4) is arranged by penetrating the anti-loosening block (5);

the anti-loosening block is characterized in that a clamping groove (6) is formed in the side wall of the anti-loosening block (5), and a clamping piece (7) is arranged in the clamping groove (6).

2. The anti-loose fastener according to claim 1, characterized in that the clamping member (7) is in a semicircular thin plate shape, the radial dimension of the inner arc surface of the clamping member (7) is matched with the radial dimension of the thread groove (4), and the clamping groove (6) is communicated with the thread groove (4).

3. The anti-loose fastener according to claim 2, characterized in that the two ends of the clamping piece (7) are provided with folding lugs (8) extending along the direction perpendicular to the clamping piece (7), and the clamping groove (6) is provided with mounting grooves (9) matched with the folding lugs (8).

4. An anti-loose fastener according to claim 2, characterized in that the retainer (7) is provided with a plurality of circular convex teeth (10) extending towards the direction of the intrados of the retainer (7).

5. Anti-loose fastener according to any one of claims 1, characterized in that a fixing sleeve (11) is sleeved on the anti-loose block (5), and the fixing sleeve (11) is matched with the anti-loose block (5).

6. An anti-loose fastener, as claimed in claim 5, characterized in that said cover (11) comprises a soft rubber portion (12) cooperating with said anti-loose block (5) and a fixing portion (13) for fixing said cover (11), said cover (11) being provided integrally.

7. The anti-loose fastener is characterized in that a countersunk groove (14) is formed in the fixing head body (2), the anti-loose block (5) is arranged in the countersunk groove (14), a fixing bolt (15) is arranged on the fixing portion (13), a fixing screw hole (16) matched with the fixing bolt (15) is formed in the countersunk groove (14), a sealing groove (17) is further formed in the bottom end of the countersunk groove (14), a sealing ring (18) is arranged in the sealing groove (17), and the sealing ring (18) is used for sealing a gap between the fixing portion (13) and the countersunk groove (14) when the fixing bolt (15) and the fixing screw hole (16) are screwed down.

8. A mounting device for a loose-proof fastener, suitable for mounting a loose-proof fastener as claimed in claims 1-7, comprising a support assembly and a positioning assembly, wherein:

the supporting assembly comprises a supporting telescopic rod (19), a supporting seat (20) is arranged at the bottom end of the movable head body, and the piston end of the supporting telescopic rod (19) is matched with the supporting seat (20);

the positioning assembly comprises a fixedly arranged adjusting chamber (21) and two positioning rods (22) symmetrically arranged along the center line of the adjusting chamber (21), a plurality of inserting and fixing rods (23) are arranged on the positioning rods (22), inserting and fixing grooves (24) matched with the inserting and fixing rods (23) are formed in the side wall of the movable head body, and the adjusting assembly for adjusting the positioning rods (22) is arranged in the adjusting chamber (21).

9. The mounting device of the anti-loose fastener is characterized in that the adjusting assembly comprises an adjusting screw (25) rotatably arranged in the adjusting chamber (21), an adjusting motor (26) in transmission connection with the adjusting screw (25) is arranged on the side wall of the adjusting chamber (21), the adjusting screw (25) is a bidirectional screw, adjusting blocks (27) are symmetrically arranged on the adjusting screw (25), the adjusting blocks (27) are matched with the bidirectional screw, and the positioning rod (22) penetrates through the adjusting chamber (21) and is fixedly connected with the adjusting blocks (27).

10. The mounting device of the anti-loose fastener, according to claim 8, characterized in that two adjusting chambers (21) are symmetrically arranged along the center line of the movable head body, an inserting plate motor (28) is arranged at the middle position of the two adjusting chambers (21), a mounting plate (29) is arranged on the piston of the inserting plate motor (28), a plurality of adjusting telescopic rods (30) are symmetrically arranged on the mounting plate (29) around the rotating shaft of the inserting plate motor (28), a top chamber (31) is arranged on the piston of the adjusting telescopic rods (30), a piece feeding groove (32) suitable for pushing a clamping piece (7) is arranged on the top end side wall of the top chamber (31), a piece discharging groove (33) matched with the clamping piece (7) is arranged on the bottom end side wall of the top chamber (31), a piece pushing rod (34) is arranged at the end of the top chamber (31) far away from the piece discharging groove (33), the ejector rod (34) is connected with the ejector chamber (31) in a sliding mode.