CN217440489U

CN217440489U - Corrosion-resistant bolt that facilitates use

Info

Publication number: CN217440489U
Application number: CN202220038560.6U
Authority: CN
Inventors: 朱玉辉
Original assignee: Quanzhou Changshun Machinery Co ltd
Current assignee: Quanzhou Changshun Machinery Co ltd
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-09-16
Anticipated expiration: 2032-01-07

Abstract

The utility model discloses a corrosion-resistant bolt convenient to use, which belongs to the technical field of bolts and comprises a bolt body, wherein the bolt body comprises a screw head and a screw rod, a sliding rod is slidably connected in the bolt body, one end of the sliding rod is arranged in the screw rod, the other end is arranged in the screw head, one end of the sliding rod is slidably connected with a butt rod, the other end is slidably connected with a scale rod, one end of the butt rod, which is far away from the screw head, can extend out of the screw rod, and one end of the scale rod, which is far away from the screw rod, can extend out of the screw head or be arranged in the screw head outer side mechanism, the utility model controls the scale rod to extend out of the screw head or be arranged in the sliding rod through a positioning mechanism, thereby realizing the switching between an observation mode and a common mode, and a user can more conveniently know the distance between one end of the screw rod, which is far away from the screw head, and an object under the observation mode, the situation that the object is damaged due to the fact that too much part of the screw is screwed in is avoided.

Description

Corrosion-resistant bolt that facilitates use

Technical Field

The utility model discloses a corrosion-resistant bolt that facilitates use belongs to bolt technical field.

Background

Bolt: mechanical parts, cylindrical threaded fasteners fitted with nuts. A fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut and is used for fastening and connecting two parts with through holes. This form of connection is known as a bolted connection. If the nut is unscrewed from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection.

People can use the bolt to push the object, make it with enclose in the base inner wall of object more laminate with this effect of fixing, but after the object shelters from the part of screw rod, the user can only judge the relative position of screw head and object this moment through the resistance of rotating into the bolt into, but when the object is fragile object, people often hardly perceive the position of object and screw head, thereby continue to turn into the inside screw in with the bolt, the condition that the object is extruded by the bolt and damages finally appears takes place, will consequently need to propose a new scheme and solve this problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a corrosion-resistant bolt that facilitates use in order to solve foretell problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a corrosion-resistant bolt that facilitates use, including the bolt body, the bolt body includes spiral shell head and screw rod, sliding connection has the slide bar in the bolt body, in the screw rod was arranged in to the one end of slide bar, in the spiral shell head was arranged in to the other end, the one end sliding connection of slide bar has the butt rod, and other end sliding connection has the scale rod, the one end that the spiral shell head was kept away from to the butt rod can stretch out the screw rod outside, the spiral shell head outside can be stretched out to the one end that the screw rod was kept away from to the scale rod, be provided with the positioning mechanism who is used for location butt rod and scale rod in the slide rod.

Through adopting above-mentioned technical scheme, the user can stretch out the spiral shell head or arrange the slide bar in and control the butt joint pole through positioning mechanism control scale rod and stretch out the screw rod outside or arrange the slide bar in to this realizes observing mode and common mode's switching, and the user can be more convenient under the observing mode knows the screw rod and keeps away from the one end of spiral shell head and the distance of article, avoids the condition emergence because of the too much article damage that leads to of part of screw in screw rod.

Preferably, the positioning mechanism comprises a positioning rod and a pushing rod, the positioning rod is fixedly connected with the pushing rod, the positioning rod slides in the sliding rod, positioning protrusions are arranged at two ends of the positioning rod, the scale rod is provided with a plurality of first positioning grooves, the abutting rod is provided with a plurality of second positioning grooves, the first positioning grooves and the second positioning grooves are matched with the positioning protrusions, first springs are arranged in the sliding rod, one ends of the first springs are abutted to the inner wall of the sliding rod, the other ends of the first springs are abutted to the positioning rod, and the sliding rod starts to be provided with an operation channel corresponding to the position of the pushing rod.

By adopting the technical scheme, a user can control the position of the positioning rod through the operation channel to position the scale rod and the abutting rod, and the first spring can enable the positioning protrusion to be kept embedded into the first positioning groove or the second positioning groove.

Preferably, a second spring and a third spring are arranged in the sliding rod, one end of the second spring is abutted against the inner wall of the sliding rod, the other end of the second spring is abutted against the scale rod, one end of the third spring is abutted against the inner wall of the sliding rod, and the other end of the third spring is abutted against the abutting rod.

Through adopting above-mentioned technical scheme, second spring and third spring can be with the better removal of scale rod and butt pole outside the slide bar, guarantee the convenience of using.

Preferably, a fourth spring is arranged in the screw head, one end of the fourth spring is abutted against the inner wall of the screw head, and the other end of the fourth spring is abutted against the sliding rod.

Through adopting above-mentioned technical scheme, the fourth spring can make the catch bar keep with the position that the operation passageway corresponds under the condition that the slide bar does not receive external thrust.

Preferably, mutually communicated sliding grooves are formed in the screw head and the screw rod, the sliding grooves are matched with the sliding rod, and the sliding grooves are communicated with the operation channel.

Through adopting above-mentioned technical scheme, the sliding tray can make the better bolt body that again of slide bar slide.

Preferably, the graduated rod is provided with a plurality of graduated marks.

Through adopting above-mentioned technical scheme, the scale mark can let the better volume that observes the scale rod and stretch out of user.

Compared with the prior art, the beneficial effects of the utility model are that:

firstly, a user can control the scale rod to extend out of the screw head or be arranged in the sliding rod and control the abutting rod to extend out of the screw rod or be arranged in the sliding rod through the positioning mechanism, so that the switching between an observation mode and a common mode is realized, the user can more conveniently know the distance between one end of the screw rod, which is far away from the screw head, and an object in the observation mode, and the phenomenon that the object is damaged due to the fact that too much part of the screw rod is screwed in is avoided;

and secondly, a user can control the position of the positioning rod through the operation channel so as to position the scale rod and the abutting rod, and the first spring can enable the positioning bulge to be kept embedded into the first positioning groove or the second positioning groove.

Drawings

FIG. 1 is a schematic view of a corrosion resistant bolt for ease of use;

FIG. 2 is a cutaway schematic view of a corrosion resistant bolt for ease of use;

FIG. 3 is a cut-away view of a corrosion resistant bolt for ease of use;

FIG. 4 is a third schematic sectional view of a corrosion resistant bolt for ease of use;

FIG. 5 is a cross-sectional view of a corrosion resistant bolt for convenient use

FIG. 6 is an enlarged view of area A of FIG. 5;

FIG. 7 is a schematic structural view of a positioning rod;

fig. 8 is a schematic structural view of the scale bar.

Reference numerals: 1. a screw head; 2. a screw; 3. a slide bar; 4. a butting rod; 5. a graduated rod; 6. positioning a rod; 7. a push rod; 8. a first positioning groove; 9. a second positioning groove; 10. a first spring; 11. a second spring; 12. a third spring; 13. a fourth spring; 14. positioning the projection; 15. a sliding groove; 16. scale marks are marked; 17. the channel is operated.

Detailed Description

In the following description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like refer to the orientation or position relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present invention. 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.

A corrosion-resistant bolt convenient to use is disclosed, as shown in figures 1-8, and comprises a bolt body, the bolt body comprises a screw head 1 and a screw rod 2, a sliding rod 3 is slidably connected in the bolt body, one end of the sliding rod 3 is arranged in the screw rod 2, the other end is arranged in the screw head 1, one end of the sliding rod 3 is slidably connected with a butt rod 4, the other end is slidably connected with a scale rod 5, one end of the butt rod 4, far away from the screw head 1, can extend out of the screw rod 2, one end of the scale rod 5, far away from the screw rod 2, can extend out of the screw head 1, a positioning mechanism for positioning the butt rod 4 and the scale rod 5 is arranged in the sliding rod 3, the positioning mechanism comprises a positioning rod 6 and a pushing rod 7, the positioning rod 6 is fixedly connected with the pushing rod 7, the positioning rod 6 slides in the sliding rod 3, positioning protrusions 14 are arranged at both ends of the positioning rod 6, the scale rod 5 is provided with a plurality of first positioning grooves 8, the abutting rod 4 is provided with a plurality of second positioning grooves 9, the first positioning groove 8 and the second positioning groove 9 are matched with the positioning bulges 14, the sliding rod 3 is internally provided with a first spring 10, one end of the first spring 10 is abutted against the inner wall of the sliding rod 3, the other end of the first spring is abutted against the positioning rod 6, the sliding rod 3 starts to be provided with an operation channel 17 corresponding to the position of the pushing rod 7, the sliding rod 3 is internally provided with a second spring 11 and a third spring 12, one end of the second spring 11 is abutted against the inner wall of the sliding rod 3, the other end of the second spring is abutted against the scale rod 5, one end of the third spring 12 is abutted against the inner wall of the sliding rod 3, the other end of the third spring is abutted against the abutting rod 4, the screw head 1 is internally provided with a fourth spring 13, one end of the fourth spring 13 is abutted against the inner wall of the screw head 1, and the other end of the sliding rod 3, so that when the bolt body is not used, the scale rod 5 and the abutting rod 4 are both arranged in the sliding rod 3, as shown in fig. 2, the positioning protrusions 14 at the two ends of the positioning rod 6 are inserted into the first positioning groove 8 of the scale rod 5 and the second positioning groove 9 of the abutting rod 4.

Before the user needs to use the bolt body, the user needs to use an elongated straight tool such as a needle to extend into the operation channel 17, and push the pushing rod 7 to move the positioning rod 6, so that the positioning protrusions 14 at the two ends of the positioning rod 6 leave the positions of the first positioning groove 8 and the second positioning groove 9, at this time, the fixing of the abutting rod 4 and the scale rod 5 is cancelled, at this time, the third spring 12 and the second spring 11 are extended, the scale rod 5 is extended out of the screw head 1, and the abutting rod 4 is extended out of the screw rod 2, as shown in fig. 3, at this time, the user leaves the elongated tool from the operation channel 17, at this time, the first spring 10 is extended, and pushes the positioning rod 6, so that the positioning protrusions 14 on the positioning rod 6 are embedded into the first positioning groove 8 and the second positioning groove 9, so as to position the positioning rod 6 and the abutting rod 4 at this time, as shown in fig. 4, the user again with screw body screw in this moment, when the butt pole 4 that is located 1 tip of spiral shell touches the article that needs to be fixed, along with the user continues the rotation, the article can promote butt pole 4 this moment, make butt pole 4 drive slide bar 3 and remove, and remove scale bar 5 through slide bar 3, make scale bar 5 expose more parts outside spiral shell head 1, the user just can expose the relative position of screw rod 2 and article this moment according to scale bar 5 this moment, with this better judgement needs the volume of screw in.

When the user need not use scale bar 5 and butt rod 4, need stretch into operation passageway 17 through using the straight instrument of slender such as syringe needle and promote catch bar 7 for catch bar 7 drives locating lever 6 and removes, and so that make location arch 14 leave the position of first constant head tank 8 and second constant head tank 9, press scale bar 5 and butt rod 4 back into slide bar 3 again, loosen catch bar 7 again, so that through first spring 10 with the location arch 14 embedding of locating lever 6 both ends in first constant head tank 8 and second constant head tank 9, with this location of accomplishing scale bar 5 and butt rod 4 position.

The utility model discloses a all be provided with the sliding tray 15 of mutual intercommunication in spiral shell head 1 and the screw rod 2, sliding tray 15 agrees with slide bar 3 mutually, and sliding tray 15 is linked together with operation channel 17, sets up like this down, and sliding tray 15 can be so that slide bar 3 is better slide in the bolt body again.

The utility model discloses a be provided with a plurality of scale marks 16 on the scale rod 5, set up like this down, the user can be according to the better volume of knowing that scale rod 5 stretches out of scale mark 16.

The utility model discloses an all spraying has corrosion resistant coating on spiral shell head 1 and the screw rod 2, sets up like this down, and ceramic filling coating, ceramic filling coating are applied to the ceramic filling coating system of applying paint with a brush, and steel, concrete etc. are applied to in the design. In the chemical and related industries, it may be used to protect surfaces from exposure to strong chemicals.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a corrosion-resistant bolt that facilitates use, includes the bolt body, the bolt body includes spiral shell head (1) and screw rod (2), its characterized in that: the bolt is characterized in that a sliding rod (3) is slidably connected in the bolt body, one end of the sliding rod (3) is arranged in the screw rod (2), the other end of the sliding rod is arranged in the screw head (1), one end of the sliding rod (3) is slidably connected with a butt rod (4), the other end of the sliding rod is slidably connected with a scale rod (5), one end, away from the screw head (1), of the butt rod (4) can stretch out of the outer side of the screw rod (2), one end, away from the screw rod (2), of the scale rod (5) can stretch out of the outer side of the screw head (1), and a positioning mechanism used for positioning the butt rod (4) and the scale rod (5) is arranged in the sliding rod (3).

2. A corrosion resistant bolt for convenient use according to claim 1 wherein: positioning mechanism includes locating lever (6) and catch bar (7), locating lever (6) and catch bar (7) fixed connection, locating lever (6) slide in slide bar (3), the both ends of locating lever (6) all are provided with location arch (14), scale bar (5) are provided with a plurality of first constant head tank (8), butt rod (4) are provided with a plurality of second constant head tank (9), first constant head tank (8) and second constant head tank (9) all agree with location arch (14) mutually, be provided with first spring (10) in slide bar (3), the one end and the slide bar (3) inner wall looks butt of first spring (10), the other end and locating lever (6) looks butt, slide bar (3) begin to have operation passageway (17) corresponding with the position of catch bar (7).

3. A corrosion resistant bolt for convenient use according to claim 2 wherein: the novel adjustable sliding rod is characterized in that a second spring (11) and a third spring (12) are arranged in the sliding rod (3), one end of the second spring (11) is abutted against the inner wall of the sliding rod (3), the other end of the second spring is abutted against the scale rod (5), one end of the third spring (12) is abutted against the inner wall of the sliding rod (3), and the other end of the third spring is abutted against the abutting rod (4).

4. A corrosion resistant bolt for convenient use according to claim 3 wherein: a fourth spring (13) is arranged in the screw head (1), one end of the fourth spring (13) is abutted against the inner wall of the screw head (1), and the other end of the fourth spring is abutted against the sliding rod (3).

5. A corrosion resistant bolt for convenient use according to claim 2 wherein: the screw head (1) and the screw rod (2) are internally provided with mutually communicated sliding grooves (15), the sliding grooves (15) are matched with the sliding rod (3), and the sliding grooves (15) are communicated with the operation channel (17).

6. A corrosion resistant bolt for convenient use according to claim 1 wherein: the scale rod (5) is provided with a plurality of scale marks (16).