Bidirectional anti-loose fastener for vehicle

Abstract

The utility model provides a two-way anti-loose fastener for a vehicle, which belongs to the technical field of fasteners, aims to solve the problems that the smearing efficiency of screw fastening glue is influenced, the workload of constructors is increased, and the working efficiency when parts are positioned and connected is influenced, and comprises a two-way bolt, and an inner side nut is in threaded connection with the outer side of the two-way bolt; the outer side nut is arranged at the rear end of the inner side nut; a glue storage cavity is formed in the inner end of the inner side nut; the power assisting ring is fixedly connected to the front end face of the inner side nut. The gluing auxiliary mechanism is arranged between the glue guide through hole and the glue storage cavity; the locking auxiliary mechanism is arranged between the two-way bolt and the inner side nut and the outer side nut; compared with the prior art, the operation steps of positioning the automobile part support are simplified, the smearing efficiency of the screw fastening glue is improved, meanwhile, the repeated labor frequency and workload of constructors are reduced, and the operation convenience of the fastener in the actual application process is further improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of fastener, more specifically, it relates to a bidirectional anti-loose fastener for vehicle. BACKGROUND

[0002] In the process of automobile manufacturing, in order to ensure the fastening connection between some key components, the safety and reliability of the vehicle usually adopts the cooperation of bidirectional anti-loose fastener, in the actual application process of fastener, in order to ensure the connection tightness between bolt and nut, usually the bolt outer thread is smeared with screw fastening glue.

[0003] For example, the existing application number CN202322835899.6 discloses a anti-loose fastener, including bidirectional bolt and sleeve, in the utility model, bidirectional bolt, inner nut and sleeve are adopted, when fastening, the staff first installs the inner nut, then installs the outer nut, the rotation direction of the inner nut and the outer nut is opposite, the outer nut avoids the inner nut from loosening, at the same time, after installing the outer nut, the staff can insert the sleeve outside the fixed rod, then rotates the sleeve to the pull rod aligns the hole on the surface of the fixed rod, inserts the fixed rod into the hole, can fix the sleeve, the sleeve abuts against one side surface of the outer nut, avoids the outer nut from loosening, and then completes the fixation of the inner nut and the outer nut, avoids the problem that the loosening of the outer nut causes the loosening of the inner nut, has good anti-loose effect, simple structure, is suitable for all bolt connection occasions, does not need to modify the equipment that needs to be connected, has high universality and is convenient to use.

[0004] Based on the above, in the process of positioning and connecting the key parts in the automobile by using the bidirectional anti-loose fastener, the construction personnel usually need to smear the screw fastening glue on the outer side of the bolt first, and then screw the two nuts to the outer side of the bolt after evenly smearing it, which not only affects the smearing efficiency of the screw fastening glue, increases the work burden of the construction personnel, but also affects the working efficiency when positioning and connecting the parts and the use convenience of the bidirectional anti-loose fastener in the actual application process. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical problems, the utility model provides a bidirectional anti-loose fastener for vehicle, which solves the problem that in the process of positioning and connecting the key parts in the automobile by using the bidirectional anti-loose fastener, the construction personnel usually need to smear the screw fastening glue on the outer side of the bolt first, and then screw the two nuts to the outer side of the bolt after evenly smearing it, which not only affects the smearing efficiency of the screw fastening glue, increases the work burden of the construction personnel, but also affects the working efficiency when positioning and connecting the parts and the use convenience of the bidirectional anti-loose fastener in the actual application process.

[0006] The utility model discloses a two -way anti -loose fastener for vehicle's purpose and function reaches by the following specific technical means:

[0007] A two-way anti-loose fastener for vehicle, including two -way bolt, inner side nut, outer side nut, power -assisted ring, glue coating auxiliary mechanism and locking auxiliary mechanism, the inner side nut is connected in the outer side of two -way bolt with screw thread, the outer side nut sets up at the rear end of inner side nut, the inner side nut and the screw pitch of outer side nut inner side end surface are same and opposite rotation, the inner end of inner side nut is provided with the glue storage cavity, the outer side of glue coating through -hole is provided with sealing plug, the inner end of glue storage cavity is evenly arranged and is provided with a plurality of glue discharge through -hole, the power -assisted ring is fixedly connected at the front end surface of inner side nut, the glue coating auxiliary mechanism sets up between glue coating through -hole and glue storage cavity, the glue coating auxiliary mechanism includes: glue discharge control piece, the glue discharge control piece has a plurality of, and a plurality of glue discharge control pieces are slidably arranged in the inner side of a plurality of glue discharge through -holes respectively, the locking auxiliary mechanism sets up between two -way bolt and inner side nut and outer side nut, and the locking auxiliary mechanism includes: positioning auxiliary pin.

[0008] Further, the rear end surface of the inner side nut is fixedly connected with a connecting ring; the outer side of the rear end surface of the connecting ring is fixedly connected with a positioning auxiliary ring; the positioning auxiliary ring is a polygonal ring structure.

[0009] Further, the outer end of the two-way bolt is coaxially fixedly connected with a conical auxiliary part;

[0010] The glue discharge control piece is a conical block structure;

[0011] The glue coating auxiliary mechanism further includes a connecting column and a sealing auxiliary ring; the connecting column has a plurality of, and the plurality of connecting columns are fixedly connected to the outer end of the glue discharge control piece; the sealing auxiliary ring has a plurality of, and the plurality of sealing auxiliary rings are fixedly connected to the inner end surface of the plurality of connecting columns.

[0012] Further, the glue coating auxiliary mechanism further includes an elastic connecting piece and a guide pillar; the elastic connecting piece has a plurality of, and the plurality of elastic connecting pieces are fixedly connected between the plurality of glue discharge control pieces and the glue storage cavity; the guide pillar has a plurality of, and the plurality of guide pillars are slidably arranged above the plurality of glue discharge control pieces, and the guide pillar is fixedly connected between the inner side nut.

[0013] Further, the inner end surface of the power-assisted ring is provided with a power-assisted inclined surface;

[0014] The positioning auxiliary pin has a plurality of, and the plurality of positioning auxiliary pins are respectively circumferentially arrayed and elastically connected to the outer side of the two-way bolt; the top end surface of the positioning auxiliary pin is a slope structure.

[0015] Further, the locking auxiliary mechanism further comprises: a plurality of anti-dropping blocks, a plurality of elastic reset members and a plurality of locking through holes, the plurality of anti-dropping blocks are fixedly connected to the inner side end faces of the plurality of positioning auxiliary pins respectively, the plurality of elastic reset members are fixedly connected between the plurality of anti-dropping blocks and the bidirectional bolts respectively, and the plurality of locking through holes are circumferentially arranged in the inner side of the positioning auxiliary ring and the outer side nut.

[0016] Compared with the prior art, the utility model has the advantages of:

[0017] In use, when the inner side nut or the outer side nut is rotated, the two nuts can be synchronously rotated, the screw fastening glue in the glue storage cavity is synchronously guided outwards during rotation, and the screw fastening glue is evenly applied to the outer side of the bidirectional bolt, so that the operation steps during positioning of the automobile part support are simplified, the application efficiency of the screw fastening glue is improved, the frequency of repeated labor and the work burden of the construction personnel are reduced, and the operation convenience of the fastener in actual application is further improved.

[0018] In use, during assembly of the inner side nut and the outer side nut, the automatic positioning and locking process between the inner side nut, the outer side nut and the bidirectional bolt is realized, so that the working efficiency and the use effect of the fastener are improved, and the safety hidden danger caused by random replacement of the automobile parts by illegal personnel is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the whole isometric structure schematic diagram of the utility model.

[0020] Figure 2 It is the inner side nut and the outer side nut installation structure schematic diagram of the utility model.

[0021] Figure 3 It is the inner side nut and the outer side nut connection sectional structure schematic diagram of the utility model.

[0022] Figure 4 It is the glue application auxiliary mechanism and the inner side nut installation structure schematic diagram of the utility model.

[0023] Figure 5 It is the positioning auxiliary pin and the inner side nut and the outer side nut installation structure schematic diagram of the utility model.

[0024] Figure 6 It is the structure schematic diagram of the positioning auxiliary pin of the utility model.

[0025] In the drawing, the corresponding relationship between the component name and the drawing number is as follows:

[0026] 1, bidirectional bolt; 101, conical auxiliary; 2, inner nut; 201, glue storage cavity; 202, sealing plug; 203, connecting ring; 204, positioning auxiliary ring; 3, outer nut; 4, power-assisted auxiliary ring; 401, power-assisted inclined surface; 5, glue discharge control member; 501, connecting column; 502, sealing auxiliary ring; 503, elastic connecting member; 504, guide support; 6, positioning auxiliary pin; 601, anti-dropping block; 602, elastic reset member; 603, locking through hole. DETAILED DESCRIPTION

[0027] The embodiments of the utility model will be further described in detail below with reference to the drawings and examples.

[0028] Example one:

[0029] As shown in the accompanying Figure 1 to the accompanying Figure 4 As shown:

[0030] The utility model provides a vehicle bidirectional anti-loose fastener, including bidirectional bolt 1, inner nut 2, outer nut 3, power-assisted auxiliary ring 4, glue coating auxiliary mechanism and locking auxiliary mechanism, inner nut 2 is connected in the outer side of bidirectional bolt 1 by screw thread, outer nut 3 sets up at the rear end of inner nut 2, the screw thread of inner nut 2 and outer nut 3 inner end surface is same rotation opposite, and the inner end of inner nut 2 is provided with glue storage cavity 201, and the outer side of glue guide through -hole is inserted with sealing plug 202, and the inner end of glue storage cavity 201 is evenly arranged and is provided with a plurality of glue discharge through -holes, and power-assisted auxiliary ring 4 is fixedly connected at the front end surface of inner nut 2, glue coating auxiliary mechanism sets up between glue guide through -hole and glue storage cavity 201, and glue coating auxiliary mechanism includes: glue discharge control member 5, glue discharge control member 5 has a plurality of, and a plurality of glue discharge control members 5 are slidably arranged in the inner side of a plurality of glue discharge through -holes, and locking auxiliary mechanism sets up between bidirectional bolt 1 and inner nut 2 and outer nut 3.

[0031] Among them, the rear end surface of inner nut 2 is fixedly connected with connecting ring 203, the outer side of the rear end surface of connecting ring 203 is fixedly connected with positioning auxiliary ring 204, and the positioning auxiliary ring 204 is a polygonal ring structure.

[0032] Among them, the outer end of bidirectional bolt 1 is coaxially fixedly connected with conical auxiliary 101,

[0033] Glue discharge control member 5 is a conical block structure,

[0034] Glue coating auxiliary mechanism further includes: connecting column 501 and sealing auxiliary ring 502, connecting column 501 has a plurality of, and a plurality of connecting columns 501 are fixedly connected to the outer end of glue discharge control member 5, sealing auxiliary ring 502 has a plurality of, and a plurality of sealing auxiliary rings 502 are fixedly connected to the inner end surface of a plurality of connecting columns 501.

[0035] The glue coating auxiliary mechanism further comprises elastic connecting pieces 503 and guide struts 504.

[0036] The specific use and effects of the embodiment are as follows:

[0037] In use, the bidirectional bolt 1 is inserted between the positioning through holes of the parts, the inner nut 2 and the outer nut 3 are sleeved outside the bidirectional bolt 1, and the positioning auxiliary ring 204 is used to realize the synchronous positioning assembly of the inner nut 2 and the outer nut 3 outside the bidirectional bolt 1 during the rotation of the inner nut 2 or the outer nut 3.

[0038] Embodiment Two

[0039] As shown in the accompanying drawings: Figure 4 Figure 6 As shown in the accompanying drawings:

[0040] On the basis of the first embodiment, the locking auxiliary mechanism comprises a positioning auxiliary pin 6.

[0041] The inner side surface of the power assisting auxiliary ring 4 is provided with a power assisting inclined surface 401.

[0042] The positioning auxiliary pin 6 has a plurality of positioning auxiliary pins 6 which are circumferentially arranged and elastically connected to the outer side of the bidirectional bolt 1.

[0043] The locking auxiliary mechanism further comprises anti-dropping blocks 601, elastic return pieces 602 and locking through holes 603. The inner side surface of the power assisting auxiliary ring 4 is provided with a power assisting inclined surface 401.

[0044] The specific use mode and role of the embodiment are as follows:

[0045] When the inner side nut 2 is assembled and rotated to the bidirectional bolt 1, the power-assisted auxiliary ring 4 is attached to the positioning auxiliary pin 6, and the inner side nut 2 is continuously assembled to the inner side of the bidirectional bolt 1, the power-assisted inclined surface 401 extrudes the positioning auxiliary pin 6 to make the plurality of positioning auxiliary pins 6 synchronously shrink inwardly, when the positioning auxiliary pin 6 is opposite to the position of the locking through hole 603, the elastic reset member 602 pushes the positioning auxiliary pin 6 to slide to the inner end of the locking through hole 603, and automatic locking and positioning between the bidirectional bolt 1, the inner side nut 2 and the outer side nut 3 is realized.

[0046] In this paper, the following points need attention:

[0047] 1. The drawings of the embodiments of the present disclosure only relate to the structures involved in the embodiments of the present disclosure, and other structures can refer to the general design.

[0048] 2. In the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined to obtain new embodiments.

[0049] The above is only a specific embodiment of the present disclosure, but the protection scope of the present disclosure is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A bidirectional anti-loosening fastener for vehicles, comprising a bidirectional bolt, an inner nut, an outer nut, a power-assisted ring, a glue-coating assisting mechanism and a locking assisting mechanism, the inner nut is threadedly connected to the outer side of the bidirectional bolt; the outer nut is arranged at the rear end of the inner nut; the thread pitches of the inner end faces of the inner nut and the outer nut are the same but opposite in rotation direction; characterized in that: The inner end of the inner nut is provided with a glue storage cavity; the outer side of the inner nut is provided with a glue guide through hole; the outer side of the glue guide through hole is inserted with a sealing plug; the inner end of the glue storage cavity is uniformly provided with a plurality of glue discharge through holes; the power-assisted auxiliary ring is fixedly connected to the front end surface of the inner nut; the glue applying auxiliary mechanism is arranged between the glue guide through hole and the glue storage cavity; the glue applying auxiliary mechanism comprises a plurality of glue discharge control members, and the plurality of glue discharge control members are respectively arranged in the inner side of the plurality of glue discharge through holes; the locking auxiliary mechanism is arranged between the bidirectional bolt and the inner nut and the outer nut; the locking auxiliary mechanism comprises a positioning auxiliary pin.

2. A bidirectional lockwire fastener for a vehicle as in claim 1, wherein: The rear end surface of the inner nut is fixedly connected with a connecting ring; the outer side of the rear end surface of the connecting ring is fixedly connected with a positioning auxiliary ring; the positioning auxiliary ring is a polygonal ring structure.

3. A bidirectional theft fastener for a vehicle as defined in claim 1 wherein: The outer end of the bidirectional bolt is coaxially fixedly connected with a conical auxiliary member; The glue discharge control member is a conical block structure; The glue applying auxiliary mechanism further comprises a connecting column and a sealing auxiliary ring, the connecting column has a plurality of connecting columns, and the plurality of connecting columns are respectively fixedly connected to the outer end of the glue discharge control member; the sealing auxiliary ring has a plurality of sealing auxiliary rings, and the plurality of sealing auxiliary rings are respectively fixedly connected to the inner side end surface of the plurality of connecting columns.

4. A two-way lock washer for vehicle use as defined in claim 1, wherein: The glue applying auxiliary mechanism further comprises an elastic connecting member and a guide pillar, the elastic connecting member has a plurality of elastic connecting members, and the plurality of elastic connecting members are respectively fixedly connected between the plurality of glue discharge control members and the glue storage cavity; the guide pillar has a plurality of guide pillars, and the plurality of guide pillars are respectively arranged above the plurality of glue discharge control members and are fixedly connected between the guide pillar and the inner nut.

5. A two-way lock washer for vehicle use as defined in claim 1 wherein: The inner side end surface of the power-assisted auxiliary ring is provided with a power-assisted inclined surface; The positioning auxiliary pin has a plurality of positioning auxiliary pins, and the plurality of positioning auxiliary pins are respectively circumferentially arranged and elastically connected to the outer side of the bidirectional bolt; the top end surface of the positioning auxiliary pin is a slope structure.

6. A bidirectional theft fastener for a vehicle as defined in claim 2 wherein: The locking auxiliary mechanism further comprises a anti-dropping block, an elastic reset member and a locking through hole, the anti-dropping block has a plurality of anti-dropping blocks, and the plurality of anti-dropping blocks are respectively fixedly connected to the inner side end surface of the plurality of positioning auxiliary pins; the elastic reset member has a plurality of elastic reset members, and the plurality of elastic reset members are respectively fixedly connected between the plurality of anti-dropping blocks and the bidirectional bolt; the locking through hole has a plurality of locking through holes, and the plurality of locking through holes are circumferentially arranged and provided in the inner side of the positioning auxiliary ring and the outer nut.

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