CN212429466U - Bolt and nut capable of being installed quickly - Google Patents
Bolt and nut capable of being installed quickly Download PDFInfo
- Publication number
- CN212429466U CN212429466U CN202021928280.XU CN202021928280U CN212429466U CN 212429466 U CN212429466 U CN 212429466U CN 202021928280 U CN202021928280 U CN 202021928280U CN 212429466 U CN212429466 U CN 212429466U
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- bolt
- nut
- external teeth
- head
- rod part
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Abstract
The utility model discloses a bolt and nut capable of being rapidly installed, which belongs to the technical field of connecting pieces and comprises a bolt and a nut sleeved on the bolt, wherein the bolt comprises a head part and a rod part fixedly arranged on the head part, a plurality of circles of external teeth are arranged on the outer wall of the rod part in the circumferential direction, a plurality of circles of internal tooth grooves buckled with the external teeth are arranged on the inner wall of the nut, the external teeth on the rod part are obliquely arranged, and the tooth tops face the head part; when the nut moves from the rod end to the head of the bolt, the nut moves along the external teeth and can be fixed to any position of the rod part, and when the nut moves from the head of the bolt to the rod end, the nut moves against the external teeth, and the internal tooth socket and the external teeth are locked mutually. The utility model discloses an installation is convenient fast, firm in connection, improved work efficiency, saved time cost and cost of labor, uses extensively, is applicable to all bolt and nut connections that need not dismantle throughout the year.
Description
Technical Field
The utility model belongs to the technical field of the connecting piece, a bolt and nut is related to, specifically speaking is a bolt and nut of quick installation.
Background
The bolt and the nut are common connecting pieces in machinery, and have the advantages of wide application, simple use and firm connection. In the prior art, the external thread of the bolt and the internal thread of the nut are spirally surrounded, so that the nut can move along the rod part of the bolt conveniently, and the fastening purpose can be achieved by only rotating the nut on the rod part of the bolt.
The disadvantages of this spiral winding are: when a large amount of bolts and nuts to be connected are arranged, the nuts penetrate through the rod parts of the bolts by hands, the rod ends are screwed to the surfaces of connected objects, and then the connected objects are screwed down by one spanner, so that time is wasted, manpower is occupied, and the working efficiency is low. Especially, place that connecting tube is more in underground parking garage or piping lane all has dozens of bolts on the ring flange of pipe connection, and the connection of these pipelines mostly can not demolish for decades, and bolt and nut connects and has taken a large amount of time of workman, and to the workman, work efficiency is low, and to the personnel selection unit, the cost of labor is higher, has increased the burden of personnel selection unit.
SUMMERY OF THE UTILITY MODEL
For solving exist among the prior art more than not enough, the utility model aims at providing a bolt and nut of quick installation to reach the purpose of bolt and nut quick installation and fastening, improvement work efficiency.
In order to achieve the above object, the utility model adopts the following technical scheme:
a fast-mounting bolt and nut comprises a bolt and a nut sleeved on the bolt, wherein the bolt comprises a head and a rod part fixedly arranged on the head, a plurality of circles of external teeth are arranged on the outer wall of the rod part in the circumferential direction, a plurality of circles of internal tooth grooves buckled with the external teeth are arranged on the inner wall of the nut, the external teeth on the rod part are arranged in an inclined manner, and the tooth tips face the head; when the nut moves from the rod end to the head of the bolt, the nut moves along the external teeth and can be fixed to any position of the rod part, and when the nut moves from the head of the bolt to the rod end, the nut moves against the external teeth, and the internal tooth socket and the external teeth are locked mutually.
As to the utility model limit: and each ring formed by the ring of external teeth and the ring of internal tooth grooves is a closed circle.
As a further limitation to the present invention: the head of the bolt is any one of a hexagonal column, a cylinder, a hemisphere or a countersunk head.
As another limitation to the present invention: the outer wall of the nut is any one of a hexagonal column shape, a cylindrical shape or a circular truncated cone shape.
Since the technical scheme is used, compared with the prior art, the utility model, the beneficial effect who gains lies in:
(1) the utility model discloses a bolt and nut passes through the cooperation of outer tooth and interior tooth's socket, and the prong of outer tooth is towards the head, makes the nut can only follow pole portion along the motion of outer tooth, can reach the effect of fastening, and when moving against the motion of outer tooth, outer tooth and interior tooth's socket are locked each other, reach anti-drop's purpose, when the installation nut, only need with the nut along pole portion upwards promote can, saved the time of swivel nut, the nut can not drop from the bolt easily yet, be convenient for install and fasten, has improved work efficiency, has reduced the cost of labor;
(2) the external teeth and the internal tooth sockets of the utility model form mutually independent and closed circles, so that the external teeth and the internal tooth sockets are more tightly buckled in the circumferential direction when moving mutually, are not easy to be damaged by external force and are more firmly connected;
(3) the utility model discloses the head of bolt is hexagonal column shape, cylindrical, hemisphere or countersunk head, and the outer wall of nut is hexagonal column shape, cylindrical or round platform shape, because do not involve the fastening and the joint of spanner circumference, so the head of bolt and the outside of nut can be for arbitrary shape, use extensively, and the practicality is strong.
To sum up, the utility model discloses an installation is convenient fast, firm in connection, improved work efficiency, saved time cost and cost of labor, uses extensively, is applicable to all bolt and nut connections that need not dismantle throughout the year.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of a bolt 1 according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a nut 2 according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of the embodiment of the present invention, in which the bolt 1 and the nut 2 are engaged.
In the figure: 1-bolt, 11-head, 12-rod, 13-external tooth, 2-nut, and 3-internal tooth groove.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It is to be understood that the quick-install bolt and nut described herein is a preferred embodiment, and is for the purpose of illustration and explanation only, and is not to be construed as a limitation of the present invention.
Embodiment quick mounting bolt and nut
In this embodiment, as shown in fig. 1 to fig. 3, a quick-mounting bolt and nut includes a bolt 1 and a nut 2 sleeved on the bolt 1, where the bolt 1 includes a head 11 and a rod 12 fixed on the head 11. The embodiment is an improvement on the thread fit of the bolt 1 and the nut 2, changes the original detachable mode, and enables the two connected objects to be separated only by damaging the nut 2 or the bolt 1 when the detachable bolt is used, so that the detachable bolt is suitable for connection which is not required to be detached all the year round.
As shown in fig. 1, the head 11 of the bolt 1 is any one of a hexagonal cylinder, a hemisphere or a countersunk head, and the present embodiment is a hexagonal cylinder. A plurality of circles of external teeth 13 are arranged on the outer wall of the rod part 12 in the circumferential direction, and the tooth tips of the external teeth 13 face the head part 11. The external teeth 13 of the present embodiment are disposed in an upward inclined manner to form a barb shape, and an included angle between the external teeth 13 and the rod portion 12 is an acute angle. The external teeth 13 form a closed circle in the circumferential direction of the rod part 12, namely, the original mode that the threads in the bolt 1 are spirally arranged is abandoned, so that the external teeth 13 form a circle of closed circles with one circle of independent arrangement.
As shown in fig. 2, the outer wall of the nut 2 is any one of a hexagonal cylinder, a cylinder or a truncated cone, and the present embodiment adopts a hexagonal cylinder. The inner wall of the nut 2 is provided with a plurality of circles of inner tooth grooves 3 buckled with the outer teeth 13, the inner tooth grooves 3 form a closed circle in the circumferential direction of the inner wall of the nut 2, namely, the mode that the original nut 2 is provided with a spiral thread is abandoned, and the inner tooth grooves 3 form a circle of circle which is independently arranged and each circle of closed circle.
As shown in fig. 3, the bolt 1 and the nut 2 are made of carbon steel, so that the external teeth 13 and the internal teeth 3 can be firmly clamped with each other and the nut 2 can be smoothly pushed to a desired position when being matched. The external teeth 13 and the internal teeth grooves 3 are buckled with each other: when the nut 2 moves from the rod end of the bolt 1 to the head 11, the outer teeth 13 incline upwards, so that the nut 2 moves along the outer teeth 13, the nut 2 can be fixed at any position of the rod part 12 until the nut contacts with the surface of an object to be connected, and the fastening purpose is achieved. When the nut 2 moves from the head 11 of the bolt 1 to the rod end, the outer teeth 13 incline upwards, so that the nut 2 moves against the outer teeth 13, the outer teeth 13 are inserted into the inner teeth groove 3 of the nut 2, the inner teeth groove 3 and the outer teeth 13 are locked with each other and cannot move downwards, and the purpose of preventing looseness is achieved.
When the bolt 1 and the nut 2 of the embodiment are installed, the rod part 12 of the bolt 1 penetrates through the through hole of the object to be connected, the nut 2 is sleeved on the bolt 1, the end surface of the nut 2 and the head part 11 of the bolt 1 are clamped by pliers, the nut 2 is forced to move towards the head part 11 of the bolt 1 along the external teeth 13 until the nut is tightly contacted with the surface of the object to be connected, and the pliers are loosened. No matter the connected object vibrates or external force is applied, the nut 2 can not move downwards to be separated from the rod part 12, the connection is tight, and the installation is quick and convenient.
Claims (4)
1. The utility model provides a bolt and nut of quick installation, includes the bolt and cup joints the nut on the bolt, the bolt includes the head and sets firmly the pole portion on the head, its characterized in that: a plurality of circles of external teeth are arranged on the outer wall of the rod part in the circumferential direction, a plurality of circles of internal tooth sockets buckled with the external teeth are arranged on the inner wall of the nut, the external teeth on the rod part are arranged in an inclined mode, and the tooth tips face the head; when the nut moves from the rod end to the head of the bolt, the nut moves along the external teeth and can be fixed to any position of the rod part, and when the nut moves from the head of the bolt to the rod end, the nut moves against the external teeth, and the internal tooth socket and the external teeth are locked mutually.
2. The quick install bolt nut of claim 1, wherein: and each ring formed by the ring of external teeth and the ring of internal tooth grooves is a closed circle.
3. The quick-install bolt nut of claim 2, wherein: the head of the bolt is any one of a hexagonal column, a cylinder, a hemisphere or a countersunk head.
4. The quick-install bolt nut of any one of claims 1-3, wherein: the outer wall of the nut is any one of a hexagonal column shape, a cylindrical shape or a circular truncated cone shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021928280.XU CN212429466U (en) | 2020-09-07 | 2020-09-07 | Bolt and nut capable of being installed quickly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021928280.XU CN212429466U (en) | 2020-09-07 | 2020-09-07 | Bolt and nut capable of being installed quickly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212429466U true CN212429466U (en) | 2021-01-29 |
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ID=74275130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021928280.XU Active CN212429466U (en) | 2020-09-07 | 2020-09-07 | Bolt and nut capable of being installed quickly |
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| Country | Link |
|---|---|
| CN (1) | CN212429466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111911513A (en) * | 2020-09-07 | 2020-11-10 | 河北冀南标准件有限公司 | Bolt and nut capable of being installed quickly |
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2020
- 2020-09-07 CN CN202021928280.XU patent/CN212429466U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111911513A (en) * | 2020-09-07 | 2020-11-10 | 河北冀南标准件有限公司 | Bolt and nut capable of being installed quickly |
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