CN209212756U - A kind of bolt assembly - Google Patents
A kind of bolt assembly Download PDFInfo
- Publication number
- CN209212756U CN209212756U CN201822211323.1U CN201822211323U CN209212756U CN 209212756 U CN209212756 U CN 209212756U CN 201822211323 U CN201822211323 U CN 201822211323U CN 209212756 U CN209212756 U CN 209212756U
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- bolt
- screw rod
- nut
- fixedly installed
- pressing plate
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Abstract
The utility model relates to bolted fittings technical fields, especially a kind of bolt assembly, including bolt and nut, bolt includes bolt head and screw rod, screw thread is equipped on the outside of screw rod, screw rod lower end is fixedly installed positioning mechanism, threaded hole is offered in the middle part of nut, nut is threaded in screw rod outer lower portion, screw rod outer upper is arranged with the first part and the second part, bolt head lower surface is equipped with annular pressing plate by multiple elastic mechanisms, annular pressing plate upper surface two sides are fixedly installed with pull rod, elastic mechanism includes the mounting groove for being provided with bolt head lower surface, bottom is fixedly installed with sleeve in mounting groove, limit plate is equipped with by sliding equipment in sleeve, limit plate lower end is fixedly installed with mobile bar, mobile bar outer lower portion is arranged with compressed spring.The bolt assembly can prevent the loosening of screw rod and nut or fall, improve the stability of connection when fastening to two parts.
Description
Technical field
The utility model relates to bolted fittings technical field more particularly to a kind of bolt assemblies.
Background technique
Bolt is by head and screw rod a kind of fastener dimerous, and bolt is the machine components of connection, and bolt is
With externally threaded cylindrical body, it need to cooperate with nut, can dismantle.Bolt currently on the market is after nut screws, Ke Yigu
Fixed two have the part of threaded hole, still, fix after a certain period of time, due to the effect of external force, usually make nut and screw rod pine
It is dynamic, or even fall off, it is allowed to lose corresponding function.Therefore, it is necessary to carry out innovation improvement to the problem, a kind of bolt assembly is needed.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of bolt assembly proposed.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of bolt assembly, including bolt and nut are designed, the bolt includes bolt head and screw rod, and bolt head is fixed
Setting is equipped with screw thread in screw rod upper end on the outside of the screw rod, the screw rod lower end is fixedly installed positioning mechanism, in the nut
Portion offers threaded hole, and the nut is threaded in screw rod outer lower portion, and the screw rod outer upper is arranged with the first part
With the second part, and the second part is located at right above the first part, and first part and second part are located at the spiral shell
Between cap and the bolt head, the bolt head lower surface is equipped with annular pressing plate, and annular pressure by multiple elastic mechanisms
Sleeve-board is located at screw rod outside top and is located at right above the second part, and annular pressing plate upper surface two sides are fixedly installed with drawing
Bar, and pull rod upper end runs through bolt head and is fixedly installed with limited block, the elastic mechanism includes being provided with bolt head following table
The mounting groove in face, bottom is fixedly installed with sleeve in mounting groove, is equipped with limit plate by sliding equipment in sleeve, under limit plate
End is fixedly installed with mobile bar, and mobile bar lower end extends to immediately below sleeve and is fixedly mounted on annular pressing plate upper surface, institute
It states mobile bar outer lower portion and is arranged with compressed spring, and compressed spring one end is fixedly connected on sleeve, the compressed spring is another
One end is fixedly connected on annular pressing plate.
Preferably, the positioning mechanism includes the locating piece for being fixedly mounted on screw rod lower end, is opened up in the middle part of the locating piece
There is location hole.
Preferably, the sliding equipment includes being fixedly mounted on the sliding slot of sleeve lining side and being fixedly mounted on limit
The sliding block of plate one end, and sliding block is slidably arranged in sliding slot.
Preferably, the limited block upper surface middle part is fixedly installed with handle.
Preferably, the bolt upper center offers cross bath.
The utility model proposes a kind of bolt assembly, beneficial effect is: the bolt assembly is carried out by two parts
During fastening, pull rod can be first passed through and pull up annular pressing plate, then two parts further be fastened again, complete
After fastening, handle and pull rod are decontroled, then pass through the knot such as limit plate, mobile bar, sleeve, sliding block, sliding slot and compressed spring
Mutual cooperation between structure, so as to compress annular pressing plate by part, by the design, after tightening, when the spiral shell
When bolt assembly is by external force, the active force on the axis direction between the screw thread in screw thread and threaded hole will increase, can make structure
Between connect it is more stable, so as to effectively avoid screw rod and nut there is a situation where loosen or fall off.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of bolt assembly structural schematic diagram.
Fig. 2 be the utility model proposes a kind of bolt assembly structure front view.
Fig. 3 be the utility model proposes a kind of bolt assembly the portion A structure enlargement diagram.
Fig. 4 be the utility model proposes a kind of bolt assembly the portion B structure enlargement diagram.
Fig. 5 be the utility model proposes a kind of bolt assembly part-structure top view.
Fig. 6 be the utility model proposes a kind of bolt assembly part-structure bottom view.
In figure: bolt 1, bolt head 2, screw rod 3, nut 4, locating piece 5, location hole 6, threaded hole 7, the first part 8, second
Part 9, annular pressing plate 10, sleeve 11, mounting groove 12, sliding slot 13, sliding block 14, limit plate 15, compressed spring 16, mobile bar 17,
Limited block 18, handle 19, pull rod 20, cross bath 21, screw thread 22.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-6, a kind of bolt assembly, including bolt 1 and nut 4, bolt 1 include bolt head 2 and screw rod 3, and spiral shell
Bolt head 2 is fixed at 3 upper end of screw rod, is equipped with screw thread 22 on the outside of screw rod 3, and 1 upper center of bolt offers cross bath 21,
When rotating bolt 1, can be used in specific criss-cross tool insertion cross bath 21 and carry out rotation operation, so as to avoid with
Hand goes to twist bolt 1, facilitates operation, improves the practical performance of the bolt assembly.
3 lower end of screw rod is fixedly installed positioning mechanism, and positioning mechanism includes the locating piece 5 for being fixedly mounted on 3 lower end of screw rod,
Location hole 6 is offered in the middle part of locating piece 5, by location hole 6 and locating piece 5, helps to carry out the positioning to the bolt assembly
Process.
Threaded hole 7 is offered in the middle part of nut 4, nut 4 is threaded in 3 outer lower portion of screw rod, and 3 outer upper of screw rod is arranged
There are the first part 8 and the second part 9, and the second part 9 is located at right above the first part 8, the first part 8 and the second part 9
Between nut 4 and bolt head 2,2 lower surface of bolt head is equipped with annular pressing plate 10, and annular pressure by multiple elastic mechanisms
Plate 10 is set in 3 outside top of screw rod and is located at right above the second part 9, and 10 upper surface two sides of annular pressing plate are fixedly installed with
Pull rod 20, and 20 upper end of pull rod runs through bolt head 2 and is fixedly installed with limited block 18, the fixed peace of 18 upper surface middle part of limited block
It can make pull rod 20 that annular pressing plate 10 be pulled to be convenient to use to simplify operation by handle 19 equipped with handle 19, have
Extremely strong practical performance.
Elastic mechanism includes the mounting groove 12 for being provided with 2 lower surface of bolt head, and bottom is fixedly installed with set in mounting groove 12
Cylinder 11, sleeve 11 is interior to be equipped with limit plate 15 by sliding equipment, and sliding equipment includes being fixedly mounted on 11 inner wall side of sleeve
Sliding slot 13 and be fixedly mounted on the sliding block 14 of 15 one end of limit plate, and sliding block 14 is slidably arranged in sliding slot 13, is being operated
During use, sliding block 14 can be slided in sliding slot 13 along its axis direction, to ensure that limit plate 15 is mobile
Stabilization in the process.
15 lower end of limit plate is fixedly installed with mobile bar 17, and 17 lower end of mobile bar extends to immediately below sleeve 11 and fixes
It is mounted on 10 upper surface of annular pressing plate, 17 outer lower portion of mobile bar is arranged with compressed spring 16, and 16 one end of compressed spring is fixed
It is connected on sleeve 11,16 other end of compressed spring is fixedly connected on annular pressing plate 10, fasten two parts
In the process, pull rod 20 can be first passed through to pull up annular pressing plate 10, then two parts is further fastened again, are completed
After fastening, decontrol handle 19 and pull rod 20, then by limit plate 15, mobile bar 17, sleeve 11, sliding block 14, sliding slot 13 and
Mutual cooperation between the structures such as compressed spring 16, so as to compress annular pressing plate 10 by part, by the design,
After tightening, it when the bolt assembly is by external force, will increase on the axis direction between the screw thread in screw thread 22 and threaded hole 7
Active force, can make to connect between structure it is more stable, so as to effectively avoiding screw rod 3 and nut 4 from occurring to loosen or
The case where person falls off.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of bolt assembly, including bolt (1) and nut (4), the bolt (1) includes bolt head (2) and screw rod (3), and
Bolt head (2) is fixed at screw rod (3) upper end, which is characterized in that is equipped with screw thread (22) on the outside of the screw rod (3), the spiral shell
Bar (3) lower end is fixedly installed positioning mechanism, offers threaded hole (7) in the middle part of the nut (4), and nut (4) screw thread connects
It connects in screw rod (3) outer lower portion, screw rod (3) outer upper is arranged with the first part (8) and the second part (9), and second
Part (9) is located at right above the first part (8), and first part (8) and second part (9) are located at the nut (4)
And between the bolt head (2), bolt head (2) lower surface is equipped with annular pressing plate (10) by multiple elastic mechanisms,
And annular pressing plate (10) is set in screw rod (3) outside top and is located at right above the second part (9), on the annular pressing plate (10)
Surface two sides are fixedly installed with pull rod (20), and pull rod (20) upper end runs through bolt head (2) and is fixedly installed with limited block
(18), the elastic mechanism includes the mounting groove (12) for being provided with bolt head (2) lower surface, the fixed peace in the interior bottom of mounting groove (12)
Equipped with sleeve (11), it is equipped with limit plate (15) in sleeve (11) by sliding equipment, limit plate (15) lower end is fixedly installed with
Mobile bar (17), and mobile bar (17) lower end extends to immediately below sleeve (11) and is fixedly mounted on table on annular pressing plate (10)
Face, mobile bar (17) outer lower portion is arranged with compressed spring (16), and compressed spring (16) one end is fixedly connected on sleeve
(11) on, compressed spring (16) other end is fixedly connected on annular pressing plate (10).
2. a kind of bolt assembly according to claim 1, which is characterized in that the positioning mechanism includes being fixedly mounted on spiral shell
The locating piece (5) of bar (3) lower end, locating piece (5) middle part offer location hole (6).
3. a kind of bolt assembly according to claim 1, which is characterized in that the sliding equipment includes being fixedly mounted on set
The sliding slot (13) of cylinder (11) inner wall side and the sliding block (14) for being fixedly mounted on limit plate (15) one end, and sliding block (14) slides
Setting is in sliding slot (13).
4. a kind of bolt assembly according to claim 1, which is characterized in that limited block (18) upper surface middle part is fixed
Handle (19) are installed.
5. a kind of bolt assembly according to claim 1, which is characterized in that bolt (1) upper center offers ten
Font groove (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822211323.1U CN209212756U (en) | 2018-12-27 | 2018-12-27 | A kind of bolt assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822211323.1U CN209212756U (en) | 2018-12-27 | 2018-12-27 | A kind of bolt assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209212756U true CN209212756U (en) | 2019-08-06 |
Family
ID=67466126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822211323.1U Active CN209212756U (en) | 2018-12-27 | 2018-12-27 | A kind of bolt assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209212756U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116085374A (en) * | 2023-02-01 | 2023-05-09 | 南通联翔机械有限公司 | Bolt and nut assembly convenient to fix quickly and application method |
-
2018
- 2018-12-27 CN CN201822211323.1U patent/CN209212756U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116085374A (en) * | 2023-02-01 | 2023-05-09 | 南通联翔机械有限公司 | Bolt and nut assembly convenient to fix quickly and application method |
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| GR01 | Patent grant |