CN210637360U

CN210637360U - Can realize from anti vibration check bolt subassembly of locking-type

Info

Publication number: CN210637360U
Application number: CN201921849994.9U
Authority: CN
Inventors: 颜昌景; 颜卿
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-05-29
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses a self-locking anti-vibration anti-loose bolt assembly, which comprises a bolt, a fastening nut and a gasket; the bolt consists of a screw rod and a bolt head, an accommodating cavity is arranged in the screw rod, a connecting hole and a clamping block are arranged in the gasket, and the gasket is sleeved on the screw rod through the connecting hole and the clamping block; the fastening nut comprises a stress surface, a non-stress surface and a hollow connecting part, the upper end surface and the lower end surface of the fastening nut are respectively the non-stress surface and the stress surface, the fastening nut is sleeved on a screw rod in the bolt through a gasket, an anti-loosening structure is arranged between the fastening nut and the gasket, and the bolt and the fastening nut are fixedly connected through the anti-loosening structure. Adopt anti vibration check bolt subassembly, can avoid the part to appear not hard up condition after connecting, fail safe nature is high, mechanical properties is stable, can realize from the purpose of locking-type, has simple structure, reasonable in design, convenient to use, its commonality is good, is particularly suitable for popularization and application.

Description

Can realize from anti vibration check bolt subassembly of locking-type

Technical Field

The utility model belongs to the technical field of the fastener technique and specifically relates to a can realize from anti vibration check bolt subassembly of locking-type.

Background

Bolts and nuts are common fasteners, and different parts can be connected by using the bolts and nuts, so that two or more elements can be fixed together mechanically in mechanical elements. The fastener can be widely applied to the fields of various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical engineering, instruments, supplies and the like, and various fasteners can be seen in daily work.

Therefore, the connection by the bolts and the nuts is a very common connection mode in the technical field of machinery, and is particularly widely applied to the fields of bridges, rail transit, high-speed rails, aerospace, super high-rise buildings, production equipment manufacturing and the like in large and medium-sized engineering. In the operational environment who receives high strength impact load, high strength alternating load to and in long-time use, because reasons such as vibration, the nut can take place to beat along the axis of bolt, and not hard up condition can appear in the connection between bolt and the nut, thereby cause the article equipment of equipment to easily scatter and put up the production potential safety hazard. Thus, there is a particular need for a fastener that is not removable to meet its intended use.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the background art, the utility model aims at providing a antivibration is better with locking effect, and simple structure, convenient to use's bolt assembly, is difficult not hard up after connecting, can realize unable dismantlement to avoid the potential safety hazard, specifically speaking is a can realize the antivibration locking bolt assembly from locking-type.

For solving the technical problem, the utility model discloses the technical scheme who adopts does: a vibration-proof and anti-loose bolt assembly capable of realizing self-locking comprises a bolt, a fastening nut matched with the bolt and a gasket used for being connected with the bolt and the fastening nut; the bolt consists of a screw rod and a bolt head, an external thread is arranged in the screw rod, an accommodating cavity is further arranged in the screw rod along the axial direction of the screw rod, a connecting hole matched with the screw rod is formed in the gasket, a clamping block matched with the accommodating cavity is further arranged in the gasket, the gasket is matched with the screw rod through the connecting hole and clamped in the accommodating cavity through the clamping block, and the gasket is sleeved on the screw rod in the bolt; the fastening nut comprises a stress surface, a non-stress surface and a hollow connecting part, an internal thread matched with an external thread in the screw rod is arranged on the inner wall of the hollow connecting part, the upper end surface and the lower end surface of the hollow connecting part are respectively the non-stress surface and the stress surface, the fastening nut is sleeved on the screw rod in the bolt through a gasket and is fixedly connected with the screw rod through a thread, an anti-loosening structure is arranged between the fastening nut and the gasket, and the bolt and the fastening nut are fixedly connected through the anti-loosening structure.

Furthermore, the utility model discloses a can realize anti vibration check bolt subassembly from locking-type, wherein anti loosening structure is including setting up latch and the grafting lug that sets up in the gasket in the stress surface, the latch is the cyclic annular distribution along the circumference of stress surface, is equipped with a plurality of grafting incisions and the corresponding separation incision of it in its circumference in the gasket, grafting incision and separation incision cooperate and constitute the grafting lug; the fastening nut is inserted into the inserting cut in the gasket through the latch, so that the fastening nut is mutually occluded, and the bolt and the fastening nut are fixedly connected.

Furthermore, the utility model discloses a can realize anti vibration check bolt subassembly of self-locking type, wherein the latch is zigzag structure, and is circumference evenly distributed along the circumference of stress surface, and its direction of setting is the same with the external screw thread direction of rotation in the screw rod; the gasket is circular structure, and its size slightly is greater than fastening nut's external diameter, the grafting lug cooperatees by the grafting incision that sets up along the gasket is radial and the separation incision that is connected with the grafting incision and constitutes zigzag elastic construction, the grafting lug is followed the circumference of gasket is circumference not equidistance and distributes, and its direction of setting is the same with the latch direction.

Furthermore, the utility model discloses a can realize anti vibration check bolt subassembly from locking-type, wherein be equipped with the shirt rim at fastening nut's lower terminal surface, the shirt rim is in the coplanar with the stress surface, locking structure is including setting up in the shirt rim latch and setting up in the gasket and insert the lug, the latch is the annular along the circumference of shirt rim distributes, is equipped with a plurality of grafting incisions and the corresponding separation incision of it along its circumference in the gasket, grafting incision and separation incision cooperate and constitute the grafting lug; the fastening nut is inserted into the inserting cut in the gasket through the latch, so that the fastening nut is mutually occluded, and the bolt and the fastening nut are fixedly connected.

Furthermore, the utility model discloses a can realize anti vibration check bolt subassembly from locking-type, wherein the latch is zigzag structure, is circumference evenly distributed along the circumference of shirt rim, and its direction of setting is the same with the external screw thread direction of rotation in the screw rod; the gasket is circular structure, and its size slightly is greater than the external diameter of shirt rim, the grafting lug matches and constitutes zigzag elastic structure by the grafting incision that sets up along the gasket is radial and the separation incision that is connected with the grafting incision, the grafting lug is along the circumference of gasket is circumference not equidistance and distributes, and its direction of setting is the same with the latch direction.

Further, a can realize from anti vibration check bolt subassembly of locking-type, wherein the structure that holds the cavity sets up to U-shaped groove structure, the joint piece set up in the connecting hole, and with the gasket constitutes a body structure.

Further, a can realize from anti vibration check bolt subassembly of locking-type, wherein the width that holds the cavity is not more than 1/4 of screw rod girth, its degree of depth is not more than the radius of screw rod.

Further, a can realize from anti vibration locking bolt subassembly of locking-type, wherein the material of bolt, fastening nut and gasket is metal material, wherein bolt and fastening nut's material is the same, the material hardness of gasket is greater than the material hardness of bolt.

Adopt a can realize from anti vibration check bolt subassembly of locking-type, compare with prior art, its effective effect lies in: the anti-loosening structure is arranged between the stress surface of the fastening nut and the gasket and consists of clamping teeth and insertion lugs, the insertion lugs are formed by matching insertion notches and separation notches, the clamping teeth are annularly distributed along the circumferential direction of the stress surface, a plurality of insertion notches and separation notches corresponding to the insertion notches are arranged in the gasket along the circumferential direction of the gasket, and the insertion notches and the separation notches are matched to form the insertion lugs; when the nut is rotated, the latch is driven to rotate along with the nut, so that the latch can be inserted into the insertion notch in the gasket to be mutually occluded, and the bolt and the fastening nut are fixedly connected. Because the latch inserts in the grafting incision, reverse rotation can not appear in the use, makes fastening nut pass through the gasket and bolted connection back, can not become loose all the time to can keep the fastening effect the same with initial condition always, can realize not detachable function promptly, only destroyed the grafting incision and the separation incision that constitute the grafting lug in the gasket, just can dismantle it and open.

Adopt anti vibration check bolt subassembly, can avoid the part to appear not hard up condition after connecting, fail safe nature is high, mechanical properties is stable, can realize from the purpose of locking-type, has simple structure, reasonable in design, convenient to use, its commonality is good, can apply to and use in various complicated environmental system, is particularly suitable for popularization and application.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of an installation assembly according to an embodiment of the present invention;

fig. 3 is a schematic structural view of the fastening nut according to a first embodiment of the present invention;

FIG. 4 is a schematic structural view of the gasket of the present invention;

fig. 5 is a schematic structural diagram of a second embodiment of the present invention;

FIG. 6 is a schematic structural view of the second embodiment of the present invention after being assembled;

shown in the figure: 1-bolt, 11-screw rod, 12-bolt head, 13-containing cavity, 14-ending thread, 2-fastening nut, 21-stress surface, 22-non-stress surface, 23-hollow connecting part, 24-latch, 25-skirt edge, 3-gasket, 31-connecting hole, 32-latch block, 33-inserting lug, 34-separating notch and 35-inserting notch.

Detailed Description

To further explain the concept of the present invention, the following embodiments of the present invention will be further explained with reference to the accompanying drawings:

the first embodiment is as follows:

as shown in fig. 1 to 4, the self-locking anti-vibration anti-loose bolt assembly of the present invention comprises a bolt 1, a fastening nut 2 matched with the bolt, and a gasket 3 connected with the bolt 1 and the fastening nut 2; the bolt 1 consists of a screw rod 11 and a bolt head 12, an external thread is arranged in the screw rod 11, an accommodating cavity 13 is further arranged in the screw rod 11 along the axial direction of the screw rod, a connecting hole 31 matched with the screw rod 11 is arranged in the gasket 3, a clamping block 32 matched with the accommodating cavity 13 is further arranged in the gasket 3, the gasket 3 is matched with the screw rod 11 through the connecting hole 31 and clamped in the accommodating cavity 13 through the clamping block 32, and the gasket 3 is sleeved on the screw rod 11 in the bolt 1; the fastening nut 2 comprises a stress surface 21, a non-stress surface 22 and a hollow connecting portion 23, an internal thread matched with an external thread in the screw rod 11 is arranged on the inner wall of the hollow connecting portion 23, the upper end surface and the lower end surface of the hollow connecting portion are respectively the non-stress surface 22 and the stress surface 21, the fastening nut 2 is sleeved on the screw rod 11 in the bolt 1 through a gasket 3 and is fixedly connected with the screw rod 11 through threads, and an anti-loosening structure is arranged between the fastening nut 2 and the gasket 3 and is used for realizing the fixed connection between the bolt 1 and the fastening nut 2.

Further, the utility model discloses a can realize anti-vibration check bolt subassembly from locking-type, wherein anti-loosening structure is including setting up latch 24 and the grafting lug 33 that sets up in gasket 3 in stress surface 21, latch 24 is the cyclic annular distribution along the circumference of stress surface 21, be equipped with a plurality of grafting incisions 35 and the corresponding separation incision 34 of it in gasket 3 along its circumference, grafting incision 35 and separation incision 34 cooperate and constitute grafting lug 33; the fastening nut 2 is inserted into the insertion notch 35 in the gasket 3 through the latch 24, so that the fastening nut and the gasket are mutually occluded, and the bolt 1 and the fastening nut 2 are fixedly connected. The latch 24 is of a zigzag structure and is circumferentially and uniformly distributed along the circumferential direction of the stress surface 21, and the arrangement direction of the latch is the same as the rotation direction of the external thread in the screw rod 11; the gasket 3 is circular structure, and its size slightly is greater than fastening nut 2's external diameter, grafting lug 33 matches by the grafting incision 35 along gasket 3 radial setting and the separation incision 34 that is connected with grafting incision 35 and constitutes zigzag elastic construction, grafting lug 33 follows the circumference of gasket 3 is circumference not equidistance and distributes, and its direction of setting is the same with latch 24 direction.

Further, the utility model discloses a can realize anti vibration check bolt subassembly of self-locking type, wherein the structure of holding cavity 13 sets up to U-shaped groove structure, joint piece 32 sets up in connecting hole 31, and constitute an organic whole structure with gasket 3; wherein the width of the accommodating cavity 13 is not more than 1/4 of the circumference of the screw 11, and the depth is not more than the radius of the screw 11.

Further, a can realize from anti vibration locking bolt subassembly of locking-type, wherein the material of bolt 1, fastening nut 2 and gasket 3 is metal material, wherein the material of bolt 1 and fastening nut 2 is the same, the material hardness of gasket 3 is greater than the material hardness of bolt 1.

Example two:

as shown in fig. 4 to fig. 6, the self-locking anti-vibration anti-loose bolt assembly of the present invention comprises a bolt 1, a fastening nut 2 matched with the bolt, and a gasket 3 connected to the bolt 1 and the fastening nut 2; the bolt 1 consists of a screw rod 11 and a bolt head 12, an external thread is arranged in the screw rod 11, an accommodating cavity 13 is further arranged in the screw rod 11 along the axial direction of the screw rod, a connecting hole 31 matched with the screw rod 11 is arranged in the gasket 3, a clamping block 32 matched with the accommodating cavity 13 is further arranged in the gasket 3, the gasket 3 is matched with the screw rod 11 through the connecting hole 31 and clamped in the accommodating cavity 13 through the clamping block 32, and the gasket 3 is sleeved on the screw rod 11 in the bolt 1; the fastening nut 2 comprises a stress surface 21, a non-stress surface 22 and a hollow connecting portion 23, an internal thread matched with an external thread in the screw rod 11 is arranged on the inner wall of the hollow connecting portion 23, the upper end surface and the lower end surface of the hollow connecting portion are respectively the non-stress surface 22 and the stress surface 21, the fastening nut 2 is sleeved on the screw rod 11 in the bolt 1 through a gasket 3 and is fixedly connected with the screw rod 11 through threads, and an anti-loosening structure is arranged between the fastening nut 2 and the gasket 3 and is used for realizing the fixed connection between the bolt 1 and the fastening nut 2.

Further, the utility model discloses a can realize anti-vibration check bolt subassembly from locking-type, wherein be equipped with shirt rim 25 at fastening nut 2's lower terminal surface, shirt rim 25 is in the coplanar with stress surface 21, anti-loosening structure is including setting up latch 24 in shirt rim 25 and setting up in gasket 3 and insert joint lug 33, latch 24 is the annular along the circumference of shirt rim 25 distributes, be equipped with a plurality of grafting incisions 35 and the corresponding separation incision 34 of it along its circumference in gasket 3, grafting incision 35 and separation incision 34 cooperate and constitute grafting lug 33; the fastening nut 2 is inserted into the insertion notch 35 in the gasket 3 through the latch 24, so that the fastening nut and the gasket are mutually occluded, and the bolt 1 and the fastening nut 2 are fixedly connected. The latch 24 is of a zigzag structure and is uniformly distributed along the circumferential direction of the skirt 25 in a circumferential manner, and the arrangement direction of the latch is the same as the rotation direction of the external thread in the screw rod 11; the gasket 3 is circular structure, and its size slightly is greater than the external diameter of shirt rim 25, grafting lug 33 matches by the grafting incision 35 of following gasket 3 radial setting and the separation incision 34 that is connected with grafting incision 35 and constitutes zigzag elastic construction, grafting lug 33 is along the circumference of gasket 3 is circumference not equidistance distribution, and its direction of setting is the same with latch 24 direction.

Further, the utility model discloses a can realize anti vibration check bolt subassembly of self-locking type, wherein the structure of holding cavity 13 sets up to U-shaped groove structure, joint piece 32 sets up in connecting hole 31, and constitute an organic whole structure with gasket 3; the width of the accommodating cavity 13 is not more than 1/4 of the circumference of the screw 11, and the depth is not more than the radius of the screw 11.

In the practical application process, the anti-vibration anti-loose bolt assembly capable of realizing self-locking is adopted, because the anti-loose structure is arranged between the stress surface 21 of the fastening nut 2 and the gasket 3, the anti-loose structure is composed of the latch 24 and the inserting lug 33, the inserting lug 33 is composed of the inserting notch 35 and the separating notch 34 in a matching way, wherein the latch 24 is annularly distributed along the circumferential direction of the stress surface 21, the gasket 3 is internally provided with a plurality of inserting notches 35 and the separating notches 34 corresponding to the inserting notches 35 along the circumferential direction, and the inserting notches 35 and the separating notches 34 are matched to form the inserting lug 33; when the nut 2 is rotated, the latch 24 is driven to rotate along with the nut 2, so that the latch 24 can be inserted into the insertion notch 35 in the gasket 3 to be mutually occluded, and the bolt 1 and the fastening nut 2 are fixedly connected. Because latch 24 inserts in grafting incision 35, reverse rotation can not appear in the use, makes fastening nut 2 pass through gasket 3 and bolted connection back, can not become loose all the time to can keep the fastening effect the same with initial condition always, can realize the function of not detachable promptly, only destroyed the grafting incision 35 and the separation incision 34 that constitute grafting lug 33 in the gasket 3, can just dismantle it and open.

To sum up, adopt anti vibration locking bolt subassembly, can avoid the part to appear not hard up condition after connecting, fail safe nature is high, mechanical properties is stable, can realize from the purpose of locking-type, has simple structure, reasonable in design, convenient to use, its commonality is good, can apply to and use in various complex environment systems, is particularly suitable for popularization and application.

The utility model discloses a protection scope is not only limited to the technical scheme that the embodiment disclosed, above only do the utility model discloses a preferred embodiment, and do not restrict the utility model discloses, the all foundation the utility model discloses an any slight modification, equivalent replacement and improvement that technical scheme did all should contain within the utility model discloses within technical scheme's protection scope.

Claims

1. The utility model provides a can realize from anti vibration check bolt subassembly of locking-type which characterized in that: the bolt comprises a bolt (1), a fastening nut (2) matched with the bolt and a gasket (3) connected with the bolt (1) and the fastening nut (2); the bolt (1) consists of a screw rod (11) and a bolt head (12), an external thread is arranged in the screw rod (11), an accommodating cavity (13) is further arranged in the screw rod (11) along the axial direction of the screw rod, a connecting hole (31) matched with the screw rod (11) is arranged in the gasket (3), a clamping block (32) matched with the accommodating cavity (13) is further arranged in the gasket (3), the gasket (3) is matched with the screw rod (11) through the connecting hole (31) and clamped in the accommodating cavity (13) through the clamping block (32), and the gasket (3) is sleeved on the screw rod (11) in the bolt (1); fastening nut (2) including stress surface (21), non-stress surface (22) and hollow connecting portion (23) to be equipped with on the inner wall of hollow connecting portion (23) with the external screw thread assorted internal thread in screw rod (11), its upper and lower terminal surface is non-stress surface (22) and stress surface (21) respectively, fastening nut (2) cup joint on screw rod (11) in bolt (1) through gasket (3) to it is fixed through threaded connection between screw rod (11) be equipped with locking structure between fastening nut (2) and gasket (3), through locking structure realizes fixed connection between bolt (1) and fastening nut (2).

2. The self-locking anti-vibration anti-loose bolt assembly as claimed in claim 1, wherein: the anti-loosening structure comprises clamping teeth (24) arranged in a stress surface (21) and inserting lugs (33) arranged in a gasket (3), the clamping teeth (24) are annularly distributed along the circumferential direction of the stress surface (21), a plurality of inserting notches (35) and separating notches (34) corresponding to the inserting notches are formed in the gasket (3) along the circumferential direction of the gasket, and the inserting notches (35) and the separating notches (34) are matched to form the inserting lugs (33); the fastening nut (2) is inserted into the inserting notch (35) in the gasket (3) through the latch (24) to be mutually occluded, so that the bolt (1) and the fastening nut (2) are fixedly connected.

3. The self-locking anti-vibration anti-loose bolt assembly as claimed in claim 2, wherein: the clamping teeth (24) are of a sawtooth structure and are uniformly distributed along the circumferential direction of the stress surface (21) in a circumferential manner, and the arrangement direction of the clamping teeth is the same as the rotation direction of the external thread in the screw (11); gasket (3) are circular structure, and its size slightly is greater than fastening nut (2)'s external diameter, grafting lug (33) cooperate by grafting incision (35) along gasket (3) radial setting and separation incision (34) that are connected with grafting incision (35) and constitute zigzag elastic construction, grafting lug (33) are followed the circumference of gasket (3) is the not equidistance of circumference and distributes, and its direction of setting is the same with latch (24) direction.

4. The self-locking anti-vibration anti-loose bolt assembly as claimed in claim 1, wherein: the anti-loosening structure comprises clamping teeth (24) arranged in the skirt edge (25) and inserting lugs (33) arranged in a gasket (3), wherein the clamping teeth (24) are annularly distributed along the circumferential direction of the skirt edge (25), a plurality of inserting notches (35) and separating notches (34) corresponding to the inserting notches are arranged in the gasket (3) along the circumferential direction of the gasket, and the inserting notches (35) and the separating notches (34) are matched to form the inserting lugs (33); the fastening nut (2) is inserted into the inserting notch (35) in the gasket (3) through the latch (24) to be mutually occluded, so that the bolt (1) and the fastening nut (2) are fixedly connected.

5. The self-locking anti-vibration anti-loose bolt assembly as claimed in claim 4, wherein: the clamping teeth (24) are of a sawtooth structure and are uniformly distributed along the circumferential direction of the skirt edge (25) in a circumferential manner, and the arrangement direction of the clamping teeth is the same as the rotation direction of the external threads in the screw rod (11); gasket (3) are circular structure, and its size slightly is greater than the external diameter of shirt rim (25), grafting lug (33) cooperate by grafting incision (35) along gasket (3) radial setting and separation incision (34) that are connected with grafting incision (35) and constitute zigzag elastic construction, grafting lug (33) are followed the circumference of gasket (3) is the not equidistance distribution of circumference, and its direction of setting is the same with latch (24) direction.

6. The self-locking anti-vibration anti-loose bolt assembly as claimed in claim 1, wherein: the structure that holds cavity (13) sets up to U-shaped groove structure, joint piece (32) set up in connecting hole (31), and with gasket (3) constitute an organic whole structure.

7. The self-locking anti-vibration anti-loose bolt assembly as claimed in claim 6, wherein: the width of the accommodating cavity (13) is not more than 1/4 of the perimeter of the screw (11), and the depth of the accommodating cavity is not more than the radius of the screw (11).

8. The self-locking anti-vibration anti-loose bolt assembly as claimed in claim 1, wherein: the bolt (1), the fastening nut (2) and the gasket (3) are all made of metal materials, wherein the bolt (1) and the fastening nut (2) are made of the same material, and the material hardness of the gasket (3) is greater than that of the bolt (1).