CN213839210U - Bolt fastener with locking structure - Google Patents
Bolt fastener with locking structure Download PDFInfo
- Publication number
- CN213839210U CN213839210U CN202022757346.XU CN202022757346U CN213839210U CN 213839210 U CN213839210 U CN 213839210U CN 202022757346 U CN202022757346 U CN 202022757346U CN 213839210 U CN213839210 U CN 213839210U
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- screw rod
- rod
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- parallel
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Abstract
The utility model discloses a bolt fastener with locking structure, including bolt head and slotted hole, the below fixedly connected with screw rod of bolt head, and the top swing joint of screw rod has spring washer, spring washer's right side swing joint has parallel packing ring, and parallel packing ring's right side swing joint has the plank. According to the bolt fastener with the locking structure, the sizes of the outer wall threads of the toothed locking rod and the threads inside the screw rod are designed to be the same and are tightly attached, so that the circular bolt is effectively prevented from falling off due to loose clamping, the fastened wood plate is fastened between the hexagon nut and the parallel washer by the fastener, and after the fastening is carried out by the hexagon nut, the bolt fastener is safe and does not shake; the straight hole is arranged above the round lock head, the toothed lock rod connected together is rotated into the bottom of the screw rod by the straight screwdriver, the area of the right side of the round lock head is larger than that of the right side of the screw rod, and the phenomenon that the hexagon nut is loosened and falls off is effectively prevented.
Description
Technical Field
The utility model relates to a bolt fastener technical field specifically is a bolt fastener with locking structure.
Background
The fastener is used for fastening and connecting, is a mechanical part with wide application, can be seen on various machines, equipment, vehicles, railways, bridges, buildings, instruments and the like, and has the characteristics of various types and specifications, different performance and purposes, extremely high standardization, serialization and universalization types, and the bolt fastener is a fastener consisting of a head part and a screw rod and needs nut matching for fastening two parts with through holes, so that the bolt fastener with a locking structure can ensure that the bolt fastener cannot be loosened and fall off a nut in the long-time use process under the condition of fastening, thereby causing the machine to have faults.
The existing bolt fastener has the advantages that besides common product defects caused by raw material defects and improper machining process reasons, nuts can fall off due to vibration and friction in the long-time use process of the bolt fastener, the problem of potential safety hazards of products is caused, the use requirements of people cannot be well met, and technical innovation is performed on the basis of the existing bolt fastener according to the situation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bolt fastening spare with locking structure to propose current bolt fastening spare in solving above-mentioned background art except the common product defect that causes because of raw and other materials defect and the improper reason of processing technology, bolt fastening spare can make the nut drop in long-time use owing to vibration and friction, arouses the product potential safety hazard problem, the user demand problem of satisfying people that can not be fine.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bolt fastener with locking structure, includes bolt head and slotted hole, the below fixedly connected with screw rod of bolt head, and the top swing joint of screw rod has spring washer, spring washer's right side swing joint has parallel washer, and parallel washer's right side swing joint has the plank, the right side swing joint of plank has hexagon nut, and hexagon nut's right side swing joint has circular tapered end, the left side fixedly connected with in slotted hole takes the tooth locking lever, and slotted hole is located the top of circular tapered end, take the smooth locking lever of left side fixedly connected with of tooth locking lever.
Preferably, the bolt head and the screw rod are connected in an integrated manner, and the central axis of the screw rod is parallel to the central axis of the toothed locking rod.
Preferably, a detachable structure is formed between the screw and the spring washer, and the spring washer and the parallel washer are vertically installed above the screw.
Preferably, a detachable structure is formed between the wood board and the screw, and the central axis of the wood board is parallel to the central axis of the hexagon nut.
Preferably, the round lock head and the toothed lock rod are integrally connected, and the straight hole is vertically arranged above the round lock head.
Preferably, the smooth locking rod is integrally connected with the locking rod with teeth, and the central axis of the smooth locking rod is 90 degrees with the central axis of the round lock head.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. in the utility model, the middle of the lower part of the screw is hollow, the screw thread is arranged in the screw and is the same as that on the screw, and the screw thread and the external screw thread are parallel to each other, the pretightening force of the spring washer is increased, the hexagonal nut is effectively prevented from loosening, and the friction force between the hexagonal nut and the spring washer is effectively reduced by the parallel washer;
2. in the utility model, the outer wall thread with the toothed lock rod is the same as the thread inside the screw rod in size and is tightly attached, so that the circular bolt is effectively prevented from falling off due to loose clamping, the fastening piece fastens the fastened wood board between the hexagon nut and the parallel washer, and after being fastened by the hexagon nut, the wood board is safe and does not shake;
3. the utility model discloses in through a word hole setting in the top of circular tapered end, with a style of calligraphy screwdriver, in the bottom that changes over to the screw rod with the tooth locking lever that links together, circular tapered end right side area is greater than screw rod right side area, the effectual phenomenon that prevents that hexagon nut is not hard up to drop that plays.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a schematic view of the three-dimensional structure of the present invention.
In the figure: 1. a bolt head; 2. a screw; 3. a spring washer; 4. a parallel washer; 5. a wood board; 6. A hexagonal nut; 7. a circular lock head; 8. a straight hole; 9. a lock rod with teeth; 10. and a smooth locking bar.
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.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a bolt fastener with locking structure, includes bolt head 1 and slotted hole 8, the below fixedly connected with screw rod 2 of bolt head 1, and the top swing joint of screw rod 2 has spring washer 3, the right side swing joint of spring washer 3 has parallel packing ring 4, and the right side swing joint of parallel packing ring 4 has plank 5, the right side swing joint of plank 5 has hexagon nut 6, and hexagon nut 6's right side swing joint has circular tapered end 7, the left side fixedly connected with of slotted hole 8 takes tooth locking lever 9, and a slotted hole 8 is located the top of circular tapered end 7, the smooth locking lever 10 of the left side fixedly connected with of taking tooth locking lever 9.
The utility model discloses in: the bolt head 1 and the screw rod 2 are integrally connected, and the central axis of the screw rod 2 is parallel to the central axis of the toothed locking rod 9; the middle of the lower part of the screw rod 2 is hollow, threads the same as those on the screw rod 2 are arranged in the screw rod 2, and the internal threads and the external threads of the screw rod 2 are parallel to each other.
The utility model discloses in: a detachable structure is formed between the screw rod 2 and the spring washer 3, and the spring washer 3 and the parallel washer 4 are vertically arranged above the screw rod 2; the pretightening force is increased by the spring washer 3, the hexagonal nut 6 is effectively prevented from loosening, and the friction force between the hexagonal nut 6 and the spring washer 3 is effectively reduced by the parallel washer 4.
The utility model discloses in: a detachable structure is formed between the wood plate 5 and the screw rod 2, and the central axis of the wood plate 5 is parallel to the central axis of the hexagonal nut 6; the fastening piece fastens the fastened wood board 5 between the hexagon nut 6 and the parallel washer 4, and after the fastening piece is fastened by the hexagon nut 6, the wood board is safe and does not shake.
The utility model discloses in: the round lock head 7 and the toothed lock rod 9 are integrally connected, and the straight hole 8 is vertically arranged above the round lock head 7; the straight hole 8 is arranged above the round lock head 7, the toothed lock rod 9 which is connected together is rotated into the bottom of the screw rod 2 by a straight screwdriver, the area of the right side of the round lock head 7 is larger than that of the right side of the screw rod 2, and the phenomenon that the hexagon nut 6 is loosened and falls off is effectively prevented.
The utility model discloses in: the smooth locking rod 10 and the toothed locking rod 9 are integrally connected, and the central axis of the smooth locking rod 10 and the central axis of the round lock head 7 form an angle of 90 degrees; the outer wall thread of the toothed lock rod 9 is the same as the thread size inside the screw rod 2, and is tightly attached, so that the circular bolt is effectively prevented from falling due to loose clamping.
The working principle of the bolt fastener with the locking structure is as follows: firstly, a spring washer 3 is threaded on a screw rod 2, then a parallel washer 4 is threaded on the screw rod, holes with the same size are punched on the surface of a wood board 5, and threaded bolts penetrate through the wood board 5;
secondly, a hydraulic wrench is used for clockwise screwing the hexagon nut 6 to a specified torque value, so that the bolt head 1, the spring washer 3, the parallel washer 4, the wood board 5 and the hexagon nut 6 are tightly attached, then, the toothed locking rod 9 of the round bolt is aligned to the hollow part below the screw rod 2 of the fastener, a straight screwdriver is inserted into the straight hole 8, and the toothed locking rod 9 is rotated into the screw rod 2 of the fastener clockwise; then the toothed lock rod 9 is screwed down to ensure that the round lock head 7 is tightly attached to the lower end of the screw rod 2;
and finally, after the bolt fastener with the locking structure is assembled, a locking mark needs to be made, and the bolt fastener needs to be checked in time after being used for a period of time.
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 bolt fastener with locking structure, includes bolt head (1) and slotted hole (8), its characterized in that: the bolt head is characterized in that a screw rod (2) is fixedly connected to the lower portion of the bolt head (1), a spring washer (3) is movably connected to the upper portion of the screw rod (2), a parallel washer (4) is movably connected to the right side of the spring washer (3), a wood board (5) is movably connected to the right side of the parallel washer (4), a hexagon nut (6) is movably connected to the right side of the hexagon nut (6), a circular lock head (7) is movably connected to the right side of the hexagon nut (6), a toothed lock rod (9) is fixedly connected to the left side of a straight hole (8), the straight hole (8) is located above the circular lock head (7), and a smooth lock rod (10) is fixedly connected to the left side of the toothed lock rod (9).
2. The bolt fastener with the locking structure according to claim 1, wherein: the bolt head (1) and the screw rod (2) are connected in an integrated mode, and the central axis of the screw rod (2) is parallel to the central axis of the toothed locking rod (9).
3. The bolt fastener with the locking structure according to claim 1, wherein: a detachable structure is formed between the screw rod (2) and the spring washer (3), and the spring washer (3) and the parallel washer (4) are vertically arranged above the screw rod (2).
4. The bolt fastener with the locking structure according to claim 1, wherein: constitute detachable construction between plank (5) and screw rod (2), and be parallel to each other between the axis of plank (5) and the axis of hexagon nut (6).
5. The bolt fastener with the locking structure according to claim 1, wherein: the round lock head (7) is integrally connected with the toothed lock rod (9), and the straight hole (8) is vertically arranged above the round lock head (7).
6. The bolt fastener with the locking structure according to claim 1, wherein: the smooth locking rod (10) is integrally connected with the locking rod (9) with teeth, and the central axis of the smooth locking rod (10) is 90 degrees with the central axis of the round lock head (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022757346.XU CN213839210U (en) | 2020-11-25 | 2020-11-25 | Bolt fastener with locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022757346.XU CN213839210U (en) | 2020-11-25 | 2020-11-25 | Bolt fastener with locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213839210U true CN213839210U (en) | 2021-07-30 |
Family
ID=76990930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022757346.XU Active CN213839210U (en) | 2020-11-25 | 2020-11-25 | Bolt fastener with locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213839210U (en) |
-
2020
- 2020-11-25 CN CN202022757346.XU patent/CN213839210U/en active Active
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