CN219262918U - Bolt structure - Google Patents
Bolt structure Download PDFInfo
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- CN219262918U CN219262918U CN202320345280.4U CN202320345280U CN219262918U CN 219262918 U CN219262918 U CN 219262918U CN 202320345280 U CN202320345280 U CN 202320345280U CN 219262918 U CN219262918 U CN 219262918U
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- oil
- groove
- connecting hole
- oil groove
- plug
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Abstract
The utility model provides a bolt structure, which comprises a screw rod and a screw head, wherein an inwards concave oil groove is formed in the end face of the screw head, an oil passage communicated with the oil groove is formed in the screw rod, an oil outlet communicated with the oil passage is formed in the side wall of the screw rod, a plug is connected to the opening of the oil groove, a blocking piece is arranged in the oil groove, a spring is arranged between the blocking piece and the plug, an oil guide hole is formed in the blocking piece, a groove is formed in the bottom of the oil groove, a connecting hole is formed in the bottom of the groove, penetrates through the screw head, the diameter of the groove is larger than that of the connecting hole, a push rod is connected in the connecting hole, and a plug is connected to the push rod. The lubricating oil in the oil groove can lubricate through the connection part of the oil duct and the oil outlet flow direction bolt, when the bolt is not fastened for use, the blocking piece blocks the oil duct and the oil guide hole under the action of the spring, so that the lubricating oil can not enter the oil duct, the waste of the oil can not be caused, and the environment can not be polluted.
Description
Technical Field
The utility model relates to the technical field of fasteners, in particular to a bolt structure.
Background
The bolt is a mechanical fastening part, and in long-term use, the bolt can be corroded to cause the problem of being blocked by a fastener. Therefore, in the prior art, the oil bags and the oil ducts are arranged on the bolts to lubricate, so that the oil bags of the bolts with the structure can continuously drip oil, and when the bolts are not fixed for use, the oil dripping state is continuously carried out, so that the oil dripping is wasteful and easy to cause environmental pollution.
To above-mentioned problem, disclosed in the patent No. 2022226811239 is a lubrication bolt, and it is through setting up fender oily mechanism, when not using, can be with the oil duct shutoff, avoid the oil pocket to last to the oil drip in the oil duct to avoid causing the pollution to the ring barrier, practice thrift lubricating oil.
Disclosure of Invention
In view of the problems identified in the background, the present utility model provides a bolt structure, which is improved over the prior art to provide a bolt structure different from the prior art, so as to solve the above-mentioned technical problems.
The technical scheme of the utility model is realized as follows:
the utility model provides a bolt structure, includes screw rod and spiral shell head, the terminal surface of spiral shell head on be equipped with the oil groove of indent, the screw rod on be equipped with the oil duct intercommunication, the lateral wall of screw rod on be equipped with the oil outlet with the oil duct intercommunication, the opening part of oil groove be connected with the end cap, be equipped with the shutoff piece in the oil groove, be equipped with the spring between shutoff piece and the end cap, be equipped with the oil guide hole on the shutoff piece, oil guide hole and oil duct dislocation set, the bottom of oil groove be equipped with the recess, the bottom of recess be equipped with the connecting hole, the connecting hole runs through the spiral shell head setting, the diameter of recess is greater than the diameter of connecting hole, the connecting hole is connected with the ejector pin, be connected with the top on the ejector pin adaptation is connected in the recess, the length of ejector pin is greater than the degree of depth of connecting hole.
The utility model further provides that the plug is in threaded connection with the oil groove.
The utility model is further characterized in that the plug is provided with an oil filling hole, a rubber sealing plug is connected in the oil filling hole, and the rubber sealing plug is provided with a slit which can be communicated with two sides of the rubber sealing plug.
By adopting the technical scheme, the utility model has the beneficial effects that:
according to the bolt structure provided by the utility model, lubricating oil in the oil groove can flow to the joint of the bolt through the oil duct and the oil outlet for lubrication, when the bolt is not fastened for use, the oil duct and the oil guide hole are blocked by the blocking piece under the action of the spring, so that the lubricating oil can not enter the oil duct, waste of the oil can not be caused, the environment can not be polluted, when the bolt is screwed up for use, the ejector rod is in contact with a fastened object, the blocking piece is pushed up through the ejector rod, the oil duct and the oil guide hole are opened, and the lubricating oil in the oil groove can enter the oil duct for lubrication.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic structural view of the present utility model.
The reference numerals in the drawings indicate: screw 1, screw head 2, oil groove 3, oil duct 4, oilhole 5, end cap 6, shutoff piece 7, spring 8, oil guide hole 9, recess 10, connecting hole 11, ejector pin 12, ejector pin 13, oil filler hole 15, rubber sealing plug 16, slotting 17.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model is illustrated below with reference to fig. 1:
example 1: the utility model provides a bolt structure, includes screw rod 1 and spiral shell head 2, is equipped with the oil groove 3 of indent on the terminal surface of spiral shell head 2, has deposited lubricating oil in the oil groove 3, is equipped with the oil duct 4 with the oil groove 3 intercommunication on the screw rod 1, and oil duct 4, oil groove 3, the coaxial setting of screw rod 1 are equipped with the oil outlet 5 with the 4 intercommunication of oil duct on the lateral wall of screw rod 1, and the lubricating oil in the oil groove 3 gets into oil duct 4, and the rethread oil outlet 5 flows out.
The opening part of oil groove 3 is connected with end cap 6, end cap 6 and oil groove 3 threaded connection are equipped with the sealing washer between end cap 6 and the spiral shell head 2, be equipped with shutoff piece 7 in the oil groove 3, be equipped with spring 8 between shutoff piece 7 and the end cap 6, be equipped with oil guide hole 9 on the shutoff piece 7, oil guide hole 9 and oil duct 4 dislocation set, the both ends of spring 8 offset cooperation with end cap 6 and shutoff piece 7 respectively, spring 8 applys the elasticity to shutoff piece 7, make shutoff piece 7 hug closely in the bottom of oil groove 3, form the shutoff of shutoff piece 7 to oil duct 4, the oil groove 3 bottom is shutoff to oil guide hole 9, lubricating oil in the oil groove 3 just can't get into oil duct 4 like this.
The bottom of oil groove 3 is equipped with recess 10, and the bottom of recess 10 is equipped with connecting hole 11, and connecting hole 11 runs through the spiral shell head 2 setting, and the diameter of recess 10 is greater than the diameter of connecting hole 11, is connected with ejector pin 12 in the connecting hole 11, is connected with top 13 on the ejector pin 12, and top 13 adaptation is connected in recess 10, and the length of ejector pin 12 is greater than the degree of depth of connecting hole 11, and ejector pin 12 is equipped with two, and two ejector pins 12 set up about the central symmetry of screw rod 1. When the bolt is screwed down, the ejector rod 12 is pushed by collision between the ejector rod 12 and the contact surface, the plugging sheet 7 is jacked up by the ejector rod 12 and the ejector head 13, so that the oil duct 4 and the oil guide hole 9 are opened, and lubricating oil in the oil groove 3 can enter the oil duct 4.
The plug 6 is provided with the oil filling hole 15, the rubber sealing plug 16 is connected in the oil filling hole 15, the rubber sealing plug 16 is provided with the slit 17 which can be communicated with the two sides of the rubber sealing plug 16, in the structure, the rubber sealing plug 16 can form a plug for the oil filling hole 15, the oil filling pipe can be inserted into the oil groove 3 from the slit 17, and lubricating oil is filled into the oil groove 3, and the rubber sealing plug 16 is made of rubber, so that the slit 17 is in a self-sealing state (the structure of the rubber sealing plug is similar to that of an inflation hole on a basketball) at ordinary times.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the utility model.
Claims (3)
1. The utility model provides a bolt structure, includes screw rod and spiral shell head, its characterized in that: the end face of screw head on be equipped with the oil groove of indent, the screw rod on be equipped with the oil duct with the oil groove intercommunication, the lateral wall of screw rod on be equipped with the oil outlet with the oil duct intercommunication, the opening part of oil groove be connected with the end cap, be equipped with the shutoff piece in the oil groove, be equipped with the spring between shutoff piece and the end cap, be equipped with the oil guide hole on the shutoff piece, oil guide hole and oil duct dislocation set, the bottom of oil groove be equipped with the recess, the bottom of recess be equipped with the connecting hole, the connecting hole runs through the screw head setting, the diameter of recess is greater than the diameter of connecting hole, be connected with the ejector pin in the connecting hole, be connected with the top on the ejector pin, the top adaptation is connected in the recess, the length of ejector pin is greater than the degree of depth of connecting hole.
2. A bolt structure according to claim 1, wherein: the plug is in threaded connection with the oil groove.
3. A bolt structure according to claim 2, wherein: the plug on be equipped with the oil filler point, the oil filler point in be connected with the rubber sealing plug, the rubber sealing plug on be equipped with the slotting that can communicate its both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320345280.4U CN219262918U (en) | 2023-02-20 | 2023-02-20 | Bolt structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320345280.4U CN219262918U (en) | 2023-02-20 | 2023-02-20 | Bolt structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219262918U true CN219262918U (en) | 2023-06-27 |
Family
ID=86867595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320345280.4U Active CN219262918U (en) | 2023-02-20 | 2023-02-20 | Bolt structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219262918U (en) |
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2023
- 2023-02-20 CN CN202320345280.4U patent/CN219262918U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |