CN213575083U - Fastener capable of preventing loosening - Google Patents

Fastener capable of preventing loosening Download PDF

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Publication number
CN213575083U
CN213575083U CN202020647012.4U CN202020647012U CN213575083U CN 213575083 U CN213575083 U CN 213575083U CN 202020647012 U CN202020647012 U CN 202020647012U CN 213575083 U CN213575083 U CN 213575083U
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CN
China
Prior art keywords
bolt
cylindricality pole
wall
sliding block
fixedly connected
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202020647012.4U
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Chinese (zh)
Inventor
殷杰
谢勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pukun Connection System Taicang Co ltd
Original Assignee
Pukun Connection System Taicang Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pukun Connection System Taicang Co ltd filed Critical Pukun Connection System Taicang Co ltd
Priority to CN202020647012.4U priority Critical patent/CN213575083U/en
Application granted granted Critical
Publication of CN213575083U publication Critical patent/CN213575083U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a prevent fastener that becomes flexible relates to the fastener field, seted up the through-hole including the inside of bolt, the through-hole inner chamber alternates and is connected with the cylindricality pole, and the outer wall threaded connection of bolt has the nut, and the packing ring has been cup jointed to the outer wall of bolt, and the external screw thread has been seted up to the bottom of cylindricality pole, and the bottom fixedly connected with circle piece of cylindricality pole, the outer wall interlude of cylindricality pole are connected with the thread bush, and logical groove has been seted up at the top of cylindricality pole, and the equal sliding interlude in both sides that lead to the groove. The utility model discloses with fastening cap, sliding block and screw cap, after the position determination of nut, the position determination of fastening cap is followed, when pulling cylindricality pole to sliding block contacted with the top of fastening cap, screwed up the thread bush to bolt bottom position through the external screw thread, was favorable to preventing the nut to drop, reduces not hard up of bolt, increases the security performance of device.

Description

Fastener capable of preventing loosening
Technical Field
The utility model relates to a fastener field, in particular to prevent not hard up fastener.
Background
The fastener is a mechanical part which is used for fastening connection and has extremely wide application. The fastener is widely used in the industries including energy, electronics, electrical appliances, machinery, chemical industry, metallurgy, molds, hydraulic pressure and the like, and various fasteners can be seen in various machines, equipment, vehicles, ships, railways, bridges, buildings, result structures, tools, instruments, chemical industry, instruments and the like, and are the most widely mechanical basic parts.
In general vibration machines or some vibration occasions, bolts used for fastening are often loosened, nuts fall off, fixing failure of the positions is caused, connection disconnection machines are caused to fail, and even safety accidents are caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prevent not hard up fastener 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: the utility model provides a prevent not hard up fastener, includes the bolt, the through-hole has been seted up to the inside of bolt, the through-hole inner chamber alternates and is connected with the cylindricality pole, the outer wall threaded connection of bolt has the nut, the outer wall of bolt has cup jointed the packing ring, the external screw thread has been seted up to the bottom of cylindricality pole, the bottom fixedly connected with round piece of cylindricality pole, the outer wall of cylindricality pole alternates and is connected with the thread bush, logical groove has been seted up at the top of cylindricality pole, the equal sliding interlude in both sides that lead to the groove inner chamber is connected with the sliding block, the.
Preferably, one of them the spacing groove has been seted up to the inside of sliding block, wherein another one side fixedly connected with fixed plate of sliding block, one side fixedly connected with gag lever post of fixed plate, the one end and the spacing groove sliding sleeve of gag lever post are cup jointed.
Preferably, two the square groove has been seted up to the inside of expert, the top and the bottom of square inslot wall all seted up with stopper matched with spout.
Preferably, the outer wall of gag lever post alternates and is connected with the spring, the one end and the fixed plate fixed connection of spring, the other end and one of them one side fixed connection of sliding block.
Preferably, the inner wall of the fastening cap is sleeved with the gasket, the inner diameter of the fastening cap is larger than the outer diameter of the gasket, a second through hole is formed in the top end of the fastening cap, and the diameter of the second through hole is larger than that of the cylindrical rod.
Preferably, two the equal symmetry fixedly connected with two stoppers of one side that the sliding block is relative, the one end and the spout slip of stopper cup joint.
The utility model discloses a technological effect and advantage:
(1) the utility model discloses utilize fastening cap, sliding block and thread bush matched with mode that sets up, after the position determination of nut, the position determination of fastening cap is followed, when pulling cylindricality pole to sliding block and fastening cap's top contacted, screws up the thread bush to bolt bottom position through the external screw thread to realize fixing the fastening cap, be favorable to preventing the nut to drop, reduce not hard up of bolt, increase the security performance of device.
(2) The utility model discloses utilize sliding block and spring matched with to set up the mode, the sliding block is pressed to leading to inslot portion, and the spring takes place to deform, after the cylindricality pole passed the fastening cap, releases the sliding block, and the spring outwards stretches out and draws back to realize that the sliding block is spacing to the fastening cap, be favorable to confirming the position of fastening cap, difficult messenger's cylindricality pole drops.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the cylindrical rod structure of the present invention.
Fig. 3 is a schematic view of the bottom structure of the bolt of the present invention.
Fig. 4 is a schematic view of the sliding block structure of the present invention.
Fig. 5 is a schematic diagram of the internal structure of the square hole of the present invention.
In the figure: 1. a bolt; 2. a nut; 3. a cylindrical rod; 4. a fastening cap; 5. a threaded sleeve; 6. a round block; 7. a slider; 8. a limiting block; 9. a limiting rod; 10. a spring; 11. a through hole; 12. a limiting groove; 13. a fixing plate; 14. a chute; 15. a through groove; 16. a gasket; 17. an external thread; 18. a square groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
The utility model provides a loosening prevention fastener as shown in figures 1-5, which comprises a bolt 1, a through hole 11 is arranged inside the bolt 1, a cylindrical rod 3 is connected in the through hole 11 in an inserting way, the diameter of the cylindrical rod 3 is smaller than that of the through hole 11, which is beneficial for the cylindrical rod 3 to enter the bolt 1 in an inserting way, the cylindrical rod 3 is a solid cylinder, which is beneficial for prolonging the service life of the bolt, the outer wall of the bolt 1 is connected with a nut 2 in a threaded way, the bottom end of the nut 2 is connected with an object, which is beneficial for fixing the object, the outer wall of the bolt 1 is sleeved with a gasket 16, the gasket 16 limits the position of a fastening cap 4, which is beneficial for increasing the stability of the bolt, which is convenient for protecting the nut 2, the bottom of the cylindrical rod 3 is provided with an external thread 17, the external thread 17 is matched with a thread sleeve 5, the installation of the cylindrical rod 3 is facilitated, the position of the threaded sleeve 5 is limited at the same time, the threaded sleeve 5 cannot fall off from the outer wall of the cylindrical rod 3, the threaded sleeve 5 is connected with the outer wall of the cylindrical rod 3 in an inserting mode, the threaded sleeve 5 is in threaded connection with external threads 17, the whole bolt 1 is fastened conveniently, the bottom end of the bolt 1 is limited, the top of the cylindrical rod 3 is provided with a through groove 15, two sliding blocks 7 are hidden in the cylindrical rod 3 and are convenient to insert and draw out of the cylindrical rod 3, a square groove 18 is formed in the through groove 15, the square groove 18 is just convenient for accommodating the limiting rod 9 and the spring 10, sliding grooves 14 are formed in two ends of the square groove 18, the sliding grooves 14 are beneficial to the sliding of the limiting block 8 and limit the sliding of the limiting block, meanwhile, the sliding blocks 7 can enter and pop out conveniently, the sliding blocks 7 are connected with the sliding blocks 7 in an inserting mode on two, avoid fastening cap 4 to drop, the outer wall of cylindricality pole 3 alternates and is connected with fastening cap 4, 4 inner walls of fastening cap cup joint with packing ring 16, the internal diameter of fastening cap 4 is greater than the external diameter of packing ring 16, the second through-hole has been seted up on the top of fastening cap 4, be favorable to the interlude of cylindricality pole 3 to be connected, the diameter of second through-hole is greater than the diameter of cylindricality pole 3, be favorable to cylindricality pole 3 to alternate and get into in bolt 1, the external diameter of fastening cap 4 is greater than the external diameter of packing ring 16, be favorable to spacing nut 2, avoid nut 2 to drop.
Spacing groove 12 has been seted up to one of them sliding block 7's inside, spacing groove 12 can satisfy two sliding blocks 7 and all hide in leading to groove 15, be favorable to spacing 9 to carry on spacingly, thereby make fastening cap 4 can slide to cup joint on cylindricality pole 3, be favorable to spring 10's effect full play, it is not influenced, wherein one side fixedly connected with fixed plate 13 of another sliding block 7, one side fixedly connected with gag lever post 9 of fixed plate 13, be favorable to making spacing to spring 10, realize the rebound effect, the one end and the spacing groove 12 slip of gag lever post 9 cup joint, the outer wall interlude of gag lever post 9 is connected with spring 10, spring 10's deformation, be favorable to accomodating and kick-backing of sliding block 7, spring 10's one end and fixed plate 13 fixed connection, spring 10's the other end and one side fixed connection of.
Two stopper 8 of the equal symmetry fixedly connected with in one side that two sliding blocks 7 are relative, stopper 8 are favorable to prescribing a limit to the position of sliding block 7, and stopper 8's one end and spout 14 slip cup joint.
The utility model discloses the theory of operation:
accomplish fixed back when fastener bolt 1 and nut 2, in the inner chamber through-hole 11 of bolt 1 has been alternated to cylindricality pole 3, extrude inside spring 10 to two sliding blocks 7 and get into the inside that leads to groove 15 completely with sliding block 7, connect the outer wall at cylindricality pole 3 with fastening cap 4 interlude immediately, when the top of fastening cap 4 is to the below of sliding block 7, release sliding block 7, cup joint fastening cap 4 on packing ring 16, the user drags circle piece 6, with cylindricality pole 3 to the pulling of bolt 1 bottom position, screw up threaded sleeve 5 through external screw thread 17 to bolt 1's bottom simultaneously, when screwing up the bottom of sliding block 7 and hugging closely the top of fastening cap 4, once more screw up, can accomplish the spacing messenger's of nut 2 difficult the droing.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses the standard parts that use all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing.
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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a prevent not hard up fastener, includes bolt (1), its characterized in that, through-hole (11) have been seted up to the inside of bolt (1), through-hole (11) inner chamber alternates and is connected with cylindricality pole (3), the outer wall threaded connection of bolt (1) has nut (2), packing ring (16) have been cup jointed to the outer wall of bolt (1), external screw thread (17) have been seted up to the bottom of cylindricality pole (3), the bottom fixedly connected with circle piece (6) of cylindricality pole (3), the outer wall of cylindricality pole (3) alternates and is connected with thread bush (5), logical groove (15) have been seted up at the top of cylindricality pole (3), the equal sliding block that slides in both sides that lead to groove (15) inner chamber alternates and is connected with sliding block (7), the outer wall of cylindricality pole (3).
2. The anti-loosening fastener according to claim 1, wherein a limiting groove (12) is formed in one of the sliding blocks (7), a fixing plate (13) is fixedly connected to one side of the other sliding block (7), a limiting rod (9) is fixedly connected to one side of the fixing plate (13), and one end of the limiting rod (9) is slidably sleeved with the limiting groove (12).
3. The anti-loosening fastener according to claim 1, wherein square grooves (18) are formed in the through grooves (15), and sliding grooves (14) matched with the limiting blocks (8) are formed in the top ends and the bottom ends of the inner walls of the square grooves (18).
4. The fastener for preventing looseness according to claim 2, wherein a spring (10) is inserted and connected to the outer wall of the limiting rod (9), one end of the spring (10) is fixedly connected with the fixing plate (13), and the other end of the spring (10) is fixedly connected with one side of one sliding block (7).
5. The anti-loosening fastener according to claim 1, wherein the inner wall of the fastening cap (4) is sleeved with a washer (16), the inner diameter of the fastening cap (4) is larger than the outer diameter of the washer (16), a second through hole is formed in the top end of the fastening cap (4), and the diameter of the second through hole is larger than that of the cylindrical rod (3).
6. The fastener for preventing looseness according to claim 1, wherein two limit blocks (8) are symmetrically and fixedly connected to opposite sides of the two sliding blocks (7), and one ends of the limit blocks (8) are in sliding sleeve connection with the sliding grooves (14).
CN202020647012.4U 2020-04-26 2020-04-26 Fastener capable of preventing loosening Expired - Fee Related CN213575083U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020647012.4U CN213575083U (en) 2020-04-26 2020-04-26 Fastener capable of preventing loosening

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020647012.4U CN213575083U (en) 2020-04-26 2020-04-26 Fastener capable of preventing loosening

Publications (1)

Publication Number Publication Date
CN213575083U true CN213575083U (en) 2021-06-29

Family

ID=76520998

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020647012.4U Expired - Fee Related CN213575083U (en) 2020-04-26 2020-04-26 Fastener capable of preventing loosening

Country Status (1)

Country Link
CN (1) CN213575083U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113669352A (en) * 2021-08-26 2021-11-19 嘉兴涵祺汽配科技股份有限公司 Double-end automobile bolt with protect function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113669352A (en) * 2021-08-26 2021-11-19 嘉兴涵祺汽配科技股份有限公司 Double-end automobile bolt with protect function

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GR01 Patent grant
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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210629

CF01 Termination of patent right due to non-payment of annual fee