CN210118330U

CN210118330U - Bolt

Info

Publication number: CN210118330U
Application number: CN201920757326.7U
Authority: CN
Inventors: 朱晓爽
Original assignee: Wenzhou Bolihao Industrial Co Ltd
Current assignee: Wenzhou Bolihao Industrial Co Ltd
Priority date: 2019-05-23
Filing date: 2019-05-23
Publication date: 2020-02-28
Anticipated expiration: 2029-05-23

Abstract

The utility model discloses a bolt, which relates to the technical field of fasteners, and the key points of the technical proposal thereof comprise a hexagonal block and a screw rod, the hexagonal block is fixedly connected with the screw rod, one end of the hexagonal block, which is far away from the screw rod, is provided with a fixed hole, the screw rod is provided with a fixed groove which is coaxial with the fixed hole, the fixed hole and the fixed groove form a holding cavity, the screw rod is provided with an oil filling hole communicated with the fixed groove, the holding cavity is internally provided with an oil storage rod which can rotate in the holding cavity, one end of the oil storage rod is provided with an oil storage groove, the oil storage rod is provided with an oil outlet hole communicated with the oil storage groove, and one end of the oil storage rod, which is provided with the sealing cover for sealing; rotate and hold the fuel rod for oil outlet and oil filler point intercommunication or stagger, the utility model discloses have and carry out the work piece at the bolt and connect the back, the effect of convenient oiling between bolt and the screw hole.

Description

Bolt

Technical Field

The utility model relates to a technical field of fastener, more specifically say that it relates to a bolt.

Background

A bolt is a mechanical part commonly used for cylindrical threaded fasteners with nuts. A fastener consisting of a hexagonal block and a screw rod needs to be matched with a nut and is used for fastening and connecting two parts with through holes.

At present, when the bolt is used for connecting workpieces, the situation that corrosion easily occurs between the threaded part and the threaded hole of the bolt can be caused after a long time. The later stage is harder when unscrewing the bolt with the spanner, causes the damage to the screw portion and the screw hole of bolt simultaneously to make the life-span greatly reduced of bolt.

SUMMERY OF THE UTILITY MODEL

The utility model provides a bolt, carry out the work piece at the bolt and connect the back, have the convenient effect to the oiling between bolt and the screw hole.

In order to achieve the above purpose, the utility model provides a following technical scheme: a bolt comprises a hexagonal block and a screw rod, wherein the hexagonal block is fixedly connected with the screw rod, one end, far away from the screw rod, of the hexagonal block is provided with a fixing hole, the screw rod is provided with a fixing groove coaxial with the fixing hole, the fixing hole and the fixing groove form an accommodating cavity, the screw rod is provided with an oil injection hole communicated with the fixing groove, an oil storage rod capable of rotating in the accommodating cavity is arranged in the accommodating cavity, one end of the oil storage rod is provided with an oil storage groove, the oil storage rod is provided with an oil outlet hole communicated with the oil storage groove, and one end, facing the oil storage groove, of the oil storage rod is provided with a sealing cover for sealing the oil storage; the oil storage rod is rotated, so that the oil outlet hole is communicated with the oil injection hole or staggered.

By adopting the technical scheme, after the bolt is connected with the workpiece, when oil needs to be injected between the bolt and the threaded hole, the oil storage rod is rotated to enable the oil outlet hole to be communicated with the oil injection hole, so that lubricating oil in the oil storage groove enters between the bolt and the threaded hole through the oil outlet hole and the oil injection hole, and an anti-rust effect is achieved; otherwise, when the oil outlet hole is staggered with the oil injection hole, oil can not be injected between the bolt and the threaded hole.

The utility model discloses further set up to: a second annular groove is formed in the oil storage groove, a sealing ring is fixedly connected in the second annular groove, and a through hole communicated with the oil injection hole is formed in the sealing ring.

By adopting the technical scheme, the sealing ring has a sealing effect, and when the bolt rotates or stands, lubricating oil is prevented from flowing out of the oil storage tank; in addition, the sealing ring is matched with the oil storage rod, so that the oil storage rod can be prevented from sliding out of the accommodating groove.

The utility model discloses further set up to: first annular has been seted up to holding intracavity surface, hold the stopper of the first annular of oil pole surface fixed connection embedding.

Through adopting above-mentioned technical scheme, imbed first annular through the stopper, the restriction holds the oil groove and removes, prevents to hold the oil pole and follow and put the inslot roll-off.

The utility model discloses further set up to: hold the pole and be equipped with some draw-in grooves are seted up to the one end that holds the oil groove, the fixture block of sealed side fixedly connected with embedding draw-in groove.

Through adopting above-mentioned technical scheme, the fixture block is embedded into the draw-in groove, rotates sealed lid and can drive and hold the beam hanger and rotate together to make oil outlet and oil filler point intercommunication or stagger.

The utility model discloses further set up to: and one end of the sealing cover, which is far away from the oil storage rod, is provided with a cross groove.

By adopting the technical scheme, the sealing cover and the oil storage rod can be driven to rotate together by the cross screwdriver or the straight screwdriver, so that the oil outlet hole is communicated with or staggered with the oil injection hole.

The utility model discloses further set up to: a first operation groove is formed in one end, far away from the oil storage rod, of the cover body, a second operation groove is formed in one side, facing the cross groove, of the first operation groove, second operation plates are rotatably connected into the two second operation grooves, and a first operation plate is arranged between the two second operation plates; when the second operation plate is rotated to be embedded into the second operation groove, the first operation plate is embedded into the first operation groove.

By adopting the technical scheme, the first operating plate is rotated out of the first operating groove by rotating the second operating plate, and a worker drives the first operating plate to separate the sealing cover from the oil storage rod, so that oil filling operation is performed in the oil storage groove; otherwise, the first operating plate is embedded into the first operating groove for storage, and the sealing cover is prevented from being pulled out.

The utility model discloses further set up to: a movable groove is formed in one end of the operating groove.

Through adopting above-mentioned technical scheme, have and make things convenient for the staff finger to imbed the activity inslot, roll out first action bars from first operation inslot.

The utility model discloses further set up to: the oil filler point is provided with two at least, the oil filler point sets up the equidistance along screw rod surface circumference and distributes.

Through adopting above-mentioned technical scheme, rotate and hold the oil pole and make to be located and hold oil groove below oil outlet and oil filler point intercommunication back, lubricating oil flows through oil outlet and oil filler point, reduces simultaneously and holds the oil pole and need pivoted angle.

The utility model discloses further set up to: one end, far away from the oil storage rod, of the sealing cover is provided with a corresponding first indication groove, one end, far away from the screw rod, of the hexagonal block is provided with a plurality of second indication grooves, and the second indication grooves point to the oil injection hole; when the first indicating groove is aligned with the second indicating groove, the oil filling hole is communicated with the oil outlet hole.

Through adopting above-mentioned technical scheme, through first instruction groove and second instruction groove, can make things convenient for the staff to know the position of present oil outlet and oil filler point.

To sum up, the utility model discloses following beneficial effect has: rotate and hold the beam hanger and make oil outlet and oil filler point intercommunication for the lubricating oil that holds in the oil groove enters into between bolt and the screw hole, has rust-resistant effect.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a sectional view showing the inner structure of the accommodating chamber;

fig. 3 is a schematic structural view of the present embodiment after removing the hexagonal block, the screw, and the sealing ring, and rotating the second operation plate.

Reference numerals: 1. a hexagonal block; 11. a fixing hole; 2. a screw; 21. fixing grooves; 22. an oil filler hole; 3. an accommodating cavity; 31. a first ring groove; 4. an oil storage rod; 41. an oil storage tank; 411. a second ring groove; 412. a seal ring; 413. a through hole; 42. an oil outlet hole; 43. a limiting block; 44. a card slot; 5. a sealing cover; 51. a clamping block; 52. a cross groove; 53. a first operation slot; 54. a second operation slot; 55. a movable groove; 56. a first operation panel; 57. a second operation panel; 58. a first indicator groove; 59. a second indicator slot.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses a bolt, as shown in fig. 1 and 2, including hexagonal piece 1 and screw rod 2, hexagonal piece 1 and screw rod 2 fixed connection, fixed orifices 11 have been seted up to the one end that screw rod 2 was kept away from to hexagonal piece 1, and screw rod 2 sets up the fixed slot 21 with the fixed orifices 11 coaxial line, and fixed orifices 11 and fixed slot 21 form holding chamber 3. The screw 2 is provided with an oil hole 22 communicated with the fixing groove 21. An oil storage rod 4 capable of rotating in the accommodating cavity 3 is arranged in the accommodating cavity 3, an oil storage groove 41 is formed in one end of the oil storage rod 4, an oil outlet 42 communicated with the oil storage groove is formed in the oil storage rod 4, and a sealing cover 5 for sealing the oil storage groove 41 is arranged at one end, facing the oil storage groove 41, of the oil storage rod 4. The fuel rod 4 is rotated so that the oil outlet hole 42 communicates with or is misaligned with the oil filler hole 22.

As shown in fig. 1 and 2, the number of the oil holes 22 is four, and the oil holes 22 are distributed at equal intervals along the circumferential direction of the outer surface of the screw rod 2, so that the angle at which the oil storage rod 4 needs to be rotated by a worker can be reduced, and in addition, at least one of the oil holes 22 faces downward, so that the oil holes 22 facing downward are communicated with the oil outlet 42, and the lubricating oil can flow out of the oil storage tank 41.

As shown in fig. 1, fig. 2 and fig. 3, a first ring groove 31 is formed on the inner surface of the accommodating cavity 3, and a stopper 43 embedded in the first ring groove 31 is fixedly connected to the outer surface of the oil storage rod 4. A second annular groove 411 is formed in the oil storage groove 41, a sealing ring 412 is fixedly connected to the inside of the second annular groove 411, and four through holes 413 respectively communicated with the four oil injection holes 22 are formed in the sealing ring 412. The first ring groove 31 and the limit block 43 are matched, and the second sliding groove is matched with the sealing ring 412, so that the oil storage rod 4 is fixed, and the oil storage rod 4 is prevented from sliding out of the accommodating groove. The oil outlet hole 42 is sealed by the seal ring 412, and the lubricating oil is prevented from flowing out from the oil reservoir 41.

As shown in fig. 2 and 3, a locking groove 44 is formed at one end of the oil accumulation rod 4 where the oil accumulation groove 41 is formed, and a locking block 51 which is inserted into the locking groove 44 is fixedly connected to a side edge of the sealing cover 5. The end of the sealing cover 5 far away from the oil storage rod 4 is provided with a cross-shaped groove 52. The cover body is far away from the one end of the oil storage rod 4 and is provided with a first operation groove 53, the first operation groove 53 faces towards the second operation groove 54, one side of the cross groove 52 is provided with a second operation plate 57, the two second operation grooves 54 are connected with a second operation plate 57 in a rotating mode, and a first operation plate 56 is arranged between the two second operation plates 57. When the second operation plate 57 is rotated to fit into the second operation groove 54, the first operation plate 56 fits into the first operation groove 53. A movable groove 55 is formed in one end, far away from the cross groove 52, of the first operating groove 53. The worker enters the movable groove 55, can drive the first operating plate 56 and the second operating plate 57 to rotate together, and then pulls the first operating plate 56 and the second operating plate 57, so that the sealing cover 5 is separated from the oil storage rod 4, and the oil storage groove 41 is filled with oil. In addition, the seal cover 5 can be driven to rotate by a cross screwdriver or a straight screwdriver, and the seal cover 5 drives the oil storage rod 4 to rotate together as the clamping block 51 is embedded into the clamping groove 44.

As shown in fig. 1 and 3, a first indicating groove 58 corresponding to the oil outlet 42 is formed at one end of the sealing cover 5 away from the oil storage rod 4, four second indicating grooves 59 are formed at one end of the hexagonal block 1 away from the screw 2, and the second indicating grooves 59 correspond to the oil filling hole 22. When the first indicating groove 58 is aligned with the second indicating groove 59, the oil filler hole 22 communicates with the oil outlet hole 42. The worker can conveniently know the positions of the oil injection hole 22 and the oil outlet hole 42 and rotate the oil storage rod 4 to enable the oil injection hole 22 to be communicated with or staggered with the oil outlet hole 42.

The working principle is as follows: the seal cover 5 is driven to rotate by a cross screwdriver or a straight screwdriver, and the clamping block 51 is embedded into the clamping groove 44, so that the oil storage rod 4 is driven to rotate together when the seal cover 5 rotates. Observing the first indication groove 58 and the second indication groove 59, when the first indication groove 58 is aligned with the second indication groove 59, the lubricating oil enters between the bolt and the threaded hole from the oil storage groove 41 through the oil outlet hole 42, the through hole 413 and the oil injection hole 22 in sequence; when the first indicating groove 58 and the second indicating groove 59 are misaligned, the seal ring 412 seals the oil outlet hole 42, preventing the lubricant from leaking out of the oil reservoir 41.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. A bolt, includes hexagonal piece (1) and screw rod (2), its characterized in that: the oil storage device is characterized in that the hexagonal block (1) is fixedly connected with the screw rod (2), one end, far away from the screw rod (2), of the hexagonal block (1) is provided with a fixing hole (11), the screw rod (2) is provided with a fixing groove (21) coaxial with the fixing hole (11), the fixing hole (11) and the fixing groove (21) form an accommodating cavity (3), the screw rod (2) is provided with an oil filling hole (22) communicated with the fixing groove (21), an oil storage rod (4) capable of rotating in the accommodating cavity (3) is arranged in the accommodating cavity (3), one end of the oil storage rod (4) is provided with an oil storage groove (41), the oil storage rod (4) is provided with an oil outlet hole (42) communicated with an oil storage cavity, and one end, facing the oil storage rod (4), of the oil storage rod (4) is provided with a sealing cover (5) for sealing; the oil storage rod (4) is rotated to enable the oil outlet hole (42) to be communicated with or staggered with the oil injection hole (22).

2. A bolt according to claim 1, wherein: a second ring groove (411) is formed in the oil storage groove (41), a sealing ring (412) is fixedly connected in the second ring groove (411), and a through hole (413) communicated with the oil injection hole (22) is formed in the sealing ring (412).

3. A bolt according to claim 1, wherein: first annular (31) have been seted up to holding chamber (3) internal surface, hold oil pole (4) surface fixed connection have stopper (43) of embedding first annular (31).

4. A bolt according to claim 1, wherein: hold oil pole (4) one end that is equipped with oil storage groove (41) and set up some draw-in grooves (44), sealed lid (5) side fixedly connected with imbeds fixture block (51) of draw-in groove (44).

5. A bolt according to claim 4, wherein: and one end of the sealing cover (5) far away from the oil storage rod (4) is provided with a cross groove (52).

6. A bolt according to claim 5, wherein: a first operation groove (53) is formed in one end, far away from the oil storage rod (4), of the sealing cover, a second operation groove (54) is formed in one side, facing the time cross groove (52), of the first operation groove (53), second operation plates (57) are rotatably connected into the two second operation grooves (54), and a first operation plate (56) is arranged between the two second operation plates (57); when the second operation plate (57) is rotated to be fitted into the second operation groove (54), the first operation plate (56) is fitted into the first operation groove (53).

7. A bolt according to claim 6, wherein: one end in the operation groove is provided with a movable groove (55).

8. A bolt according to claim 1, wherein: the oil filler point (22) are provided with two at least, oil filler point (22) set up the equidistance along screw rod (2) surface circumference and distribute.

9. A bolt according to claim 8, wherein: one end, far away from the oil storage rod (4), of the sealing cover (5) is provided with a corresponding first indication groove (58), one end, far away from the screw rod (2), of the hexagonal block (1) is provided with a plurality of second indication grooves (59), and the second indication grooves (59) point to the oil injection hole (22); when the first indicating groove (58) is aligned with the second indicating groove (59), the oil hole (22) communicates with the oil outlet hole (42).