CN213039638U

CN213039638U - High-strength antirust engine oil pipe nut

Info

Publication number: CN213039638U
Application number: CN202021717603.0U
Authority: CN
Inventors: 徐静壮; 徐璐; 阳亮环
Original assignee: Ningbo Hui Tong Machine Connection Parts Co ltd
Current assignee: Ningbo Hui Tong Machine Connection Parts Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-04-23
Anticipated expiration: 2030-08-17

Abstract

The utility model relates to a fastener technical field just discloses rust-resistant engine oil pipe nut of high strength, including the nut body, first screw hole has been seted up to the bottom of nut body inner chamber, the second screw hole has been seted up at the top of nut body inner chamber, first screw hole is linked together with the second screw hole, the dovetail groove has been seted up to the bottom of nut body, the dovetail groove is linked together with first screw hole. The utility model discloses a fixed cover alternates and installs the inside at the nut body to spacing cover interlude through being connected with fixed cover is in the inside of dovetail groove, can have certain limiting displacement to the nut body, is connected through fixed cover and first screw hole, and fixed cover screw thread suit can play bidirectional fixation's effect in fixing bolt's the outside, can prevent effectively that the nut from receiving vibrations and taking place the condition of smooth silk after the installation.

Description

High-strength antirust engine oil pipe nut

Technical Field

The utility model relates to a fastener technical field especially relates to rust-resistant engine oil pipe nut of high strength.

Background

A general term for a type of mechanical parts used when two or more parts (or members) are fastened and connected integrally, and a fastener is a type of mechanical parts which is used for fastening and connecting and has a wide range of applications. A wide variety of fasteners are found on a variety of machines, equipment, vehicles, boats, railways, bridges, buildings, structures, tools, instruments, meters, supplies, and the like. It features various varieties and specifications, different functions and usages, and very high standard, seriation and universalization degrees. One type of fastener that has a national standard is therefore also referred to as a standard fastener, or simply a standard.

In the process of fixing an engine oil pipe, an oil pipe nut is usually used for fixing the engine oil pipe, but after the existing nut is installed, the situation of wire slipping gradually occurs due to the influence of engine vibration after a period of use, so that the situation that the engine oil pipe is not fastened occurs, and the problem is solved by providing the high-strength antirust engine oil pipe nut aiming at the situation.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: after the existing nut is installed, after a period of time of use, the situation of wire sliding gradually occurs due to the influence of engine vibration, so that the situation that the engine oil pipe is not fastened is caused, and the high-strength antirust engine oil pipe nut is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the high-strength antirust engine oil pipe nut comprises a nut body, wherein a first threaded hole is formed in the bottom of an inner cavity of the nut body, a second threaded hole is formed in the top of the inner cavity of the nut body, the first threaded hole is communicated with the second threaded hole, a trapezoidal groove is formed in the bottom of the nut body and is communicated with the first threaded hole, an annular cavity communicated with the first threaded hole and the second threaded hole is formed in the middle of the nut body, a fixing bolt is installed on the internal thread of the second threaded hole, a fixing sleeve is connected with the internal thread of the first threaded hole in a threaded manner, the fixing sleeve is sleeved on the outer side of the fixing bolt in a threaded manner, a limiting sleeve is installed at the bottom end of the fixing sleeve, the limiting sleeve is sleeved on the outer side of the fixing bolt in a threaded manner, an anti-falling clamping sleeve is installed on, the adjustable bolt is characterized in that a movable sleeve sleeved outside the fixing bolt is installed at the top end of the supporting plate, an annular plate is installed at the top end of the movable sleeve, an adjusting sleeve is sleeved outside the limiting sleeve, and a limiting ring is installed at the bottom of an inner cavity of the adjusting sleeve.

Preferably, the middle part of the limiting ring is vertically provided with sliding holes distributed in an annular array, the bottom end of the annular plate is provided with sliding rods corresponding to the sliding holes, the bottom end of each sliding rod is fixedly connected with the supporting plate, and the sliding rods are movably inserted into the sliding holes.

Preferably, the top end of the adjusting sleeve is provided with fixed insertion rods arranged in an annular array manner, the bottom end of the nut body is provided with a fixed groove corresponding to the fixed insertion rods, and the fixed insertion rods are movably inserted into the fixed groove.

Preferably, the outer side of the movable sleeve is sleeved with a return spring, the bottom end of the return spring is fixedly connected with the supporting plate, the bottom end of the adjusting sleeve is provided with an annular groove, and the top end of the return spring is movably inserted into the annular groove.

Preferably, the diameter of the first threaded hole is larger than the diameter of the second threaded hole.

Preferably, the cross section of the top of the limiting sleeve is trapezoidal, and the top end of the limiting sleeve is movably inserted into the trapezoidal groove and matched with the trapezoidal groove.

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

(1) the utility model discloses a fixed cover alternates and installs the inside at the nut body to spacing cover interlude through being connected with fixed cover is in the inside of dovetail groove, can have certain limiting displacement to the nut body, is connected through fixed cover and first screw hole, and fixed cover screw thread suit can play bidirectional fixation's effect in fixing bolt's the outside, can prevent effectively that the nut from receiving vibrations and taking place the condition of smooth silk after the installation.

(2) The utility model discloses an anticreep cutting ferrule screw thread suit is in fixing bolt's the outside to interlude the slide bar in the inside of spacing ring, can restrict the adjusting collar and take place to rotate in the outside of spacing collar, and alternate in the inside of ring channel through reset spring, can play the effect of promotion to the adjusting collar, can make fixed inserted bar alternate in the inside of fixed slot steadily, can keep the linkage nature between adjusting collar and the nut body, through the anticreep performance of anticreep cutting ferrule, can further avoid the nut body to take place the possibility of smooth silk.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1;

fig. 3 is an enlarged schematic structural diagram of the present invention at B in fig. 1.

In the figure: 1. a nut body; 2. an annular groove; 3. a first threaded hole; 4. fixing a sleeve; 5. a trapezoidal groove; 6. an adjusting sleeve; 7. a movable sleeve; 8. an anti-falling ferrule; 9. fixing the bolt; 10. a support plate; 11. a return spring; 12. a limiting sleeve; 13. a second threaded hole; 14. an annular plate; 15. a limiting ring; 16. a slide bar; 17. a slide hole; 18. an annular groove; 19. fixing the inserted rod; 20. and fixing the grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the 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 indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a high-strength antirust engine oil pipe nut comprises a nut body 1, a first threaded hole 3 is formed in the bottom of an inner cavity of the nut body 1, a second threaded hole 13 is formed in the top of the inner cavity of the nut body 1, the diameter of the first threaded hole 3 is larger than that of the second threaded hole 13, a fixing bolt 9 can be conveniently installed through the second threaded hole 13 due to the fact that the first threaded hole 3 is larger than that of the second threaded hole 13, a fixing sleeve 4 is installed inside the first threaded hole 3 at the same time, the fixing sleeve 4 can be inserted inside the first threaded hole 3 and in threaded connection with the first threaded hole 3 to fix the nut body 1 and prevent the nut body from sliding off, the first threaded hole 3 is communicated with the second threaded hole 13, a trapezoidal groove 5 is formed in the bottom of the nut body 1, the trapezoidal groove 5 is communicated with the first threaded hole 3, an annular cavity 2 communicated with the first threaded hole 3 and the second threaded, a fixing bolt 9 is installed on the internal thread of the second threaded hole 13, a fixing sleeve 4 is connected on the internal thread of the first threaded hole 3, the fixing sleeve 4 is sleeved on the outer side of the fixing bolt 9 in a threaded manner, a limiting sleeve 12 is installed at the bottom end of the fixing sleeve 4, the cross section of the top of the limiting sleeve 12 is trapezoidal, the top end of the limiting sleeve 12 is movably inserted into the trapezoidal groove 5 and matched with the trapezoidal groove, the top end of the limiting sleeve 12 is matched with the trapezoidal groove 5, the limiting sleeve 12 can be conveniently inserted into the trapezoidal groove 5, the fixing sleeve 4 can be completely installed into the first threaded hole 3, the limiting sleeve 12 is sleeved on the outer side of the fixing bolt 9 in a threaded manner, an anti-falling sleeve 8 is installed on the bottom thread of the fixing bolt 9, a supporting plate 10 sleeved on the outer side of the fixing bolt 9 is installed on the top end of, the top end of the movable sleeve 7 is provided with an annular plate 14, the outer side of the limit sleeve 12 is sleeved with an adjusting sleeve 6, the top end of the adjusting sleeve 6 is provided with fixed inserted rods 19 which are arranged in an annular array mode, the bottom end of the nut body 1 is provided with a fixed groove 20 corresponding to the fixed inserted rods 19, the fixed inserted rods 19 are movably inserted into the fixed groove 20, the fixed inserted rods 19 are inserted into the fixed groove 20, the movement of the nut body 1 can be limited through the adjusting sleeve 6, the phenomenon that the nut body 1 is vibrated to generate slippery threads is avoided, the bottom of the inner cavity of the adjusting sleeve 6 is provided with a limit ring 15, the middle part of the limit ring 15 is vertically provided with sliding holes 17 which are distributed in an annular array mode, the bottom end of the annular plate 14 is provided with a sliding rod 16 corresponding to the sliding holes 17, the bottom end of the sliding rod 16 is fixedly connected with the support plate 10, the sliding rod 16 is movably, reset spring 11's bottom and backup pad 10 fixed connection, ring channel 18 has been seted up to adjusting sleeve 6's bottom, reset spring 11's top activity alternates in the inside of ring channel 18, alternate in the inside of slide opening 17 through slide bar 16, can make adjusting sleeve 6 keep unanimous with anticreep cutting ferrule 8, avoid adjusting sleeve 6 to follow nut body 1 and rotate, and through reset spring 11 to adjusting sleeve 6's impetus, can prevent that fixed inserted bar 19 from breaking away from the inside of fixed slot 20, thereby reach and carry out the purpose fixed to nut body 1.

In the utility model, when the user uses the device, firstly, the nut body 1 is arranged on the fixing bolt 9 through the second screw hole 13, the nut body 1 is adjusted to a proper position by rotating, then the spacing sleeve 12 and the fixing sleeve 4 are arranged on one side of the fixing bolt 9, the fixing sleeve 4 can be driven to rotate by continuously rotating the spacing sleeve 12, the fixing sleeve 4 is screwed into the first screw hole 3, the fixing sleeve 4 can be simultaneously connected with the fixing bolt 9 and the first screw hole 3 through the screw thread arranged on the outer side of the fixing sleeve 4, then the adjusting sleeve 6 is sleeved on the outer side of the fixing bolt 9, the anti-falling clamping sleeve 8 is arranged at the bottom of the fixing bolt 9, the adjusting sleeve 6 is pulled downwards to simultaneously rotate the anti-falling clamping sleeve 8, the anti-falling clamping sleeve 8 is rotated to a specified position, then the anti-falling clamping sleeve 8 is rotated to finely adjust, the fixing inserted rod 19 arranged at the top end of the clamping sleeve 6 corresponds, loosen adjusting sleeve 6, adjusting sleeve 6 receives reset spring 11's effect and upward movement, and the fixed inserted bar 19 on adjusting sleeve 6 top alternates the inside of fixed slot 20 to can accomplish the installation to the nut, can prevent that the condition of smooth silk from appearing in nut body 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The high-strength antirust engine oil pipe nut comprises a nut body (1) and is characterized in that a first threaded hole (3) is formed in the bottom of an inner cavity of the nut body (1), a second threaded hole (13) is formed in the top of the inner cavity of the nut body (1), the first threaded hole (3) is communicated with the second threaded hole (13), a trapezoidal groove (5) is formed in the bottom of the nut body (1), the trapezoidal groove (5) is communicated with the first threaded hole (3), an annular cavity (2) communicated with the first threaded hole (3) and the second threaded hole (13) is formed in the middle of the nut body (1), a fixing bolt (9) is installed on the inner thread of the second threaded hole (13), a fixing sleeve (4) is connected to the inner thread of the first threaded hole (3), and the fixing sleeve (4) is sleeved on the outer side of the fixing bolt (9), stop collar (12) are installed to the bottom of fixed cover (4), stop collar (12) screw thread suit is in the outside of fixing bolt (9), anticreep cutting ferrule (8) are installed to the bottom screw thread of fixing bolt (9), backup pad (10) in the fixing bolt (9) outside are established to the top of anticreep cutting ferrule (8) install the cover and establish movable sleeve (7) in the fixing bolt (9) outside, annular plate (14) are installed on the top of movable sleeve (7), the outside cover of stop collar (12) is equipped with adjusting collar (6), spacing ring (15) are installed to the bottom of adjusting collar (6) inner chamber.

2. The high-strength antirust engine oil pipe nut as claimed in claim 1, wherein the middle of the limiting ring (15) is vertically provided with sliding holes (17) distributed in an annular array, the bottom end of the annular plate (14) is provided with a sliding rod (16) corresponding to the sliding holes (17), the bottom end of the sliding rod (16) is fixedly connected with the support plate (10), and the sliding rod (16) is movably inserted into the sliding holes (17).

3. The high-strength antirust engine oil pipe nut as claimed in claim 1, wherein the top end of the adjusting sleeve (6) is provided with fixing insertion rods (19) arranged in a ring array manner, the bottom end of the nut body (1) is provided with fixing grooves (20) corresponding to the fixing insertion rods (19), and the fixing insertion rods (19) are movably inserted in the fixing grooves (20).

4. The high-strength antirust engine oil pipe nut as claimed in claim 1, wherein a return spring (11) is sleeved outside the movable sleeve (7), the bottom end of the return spring (11) is fixedly connected with the support plate (10), an annular groove (18) is formed in the bottom end of the adjusting sleeve (6), and the top end of the return spring (11) is movably inserted into the annular groove (18).

5. The high strength rust inhibitive engine oil pipe nut according to claim 1, characterized in that the diameter of the first threaded hole (3) is larger than the diameter of the second threaded hole (13).

6. The high-strength antirust engine oil pipe nut as claimed in claim 1, characterized in that the cross-sectional shape of the top of the position-limiting sleeve (12) is trapezoidal, and the top end of the position-limiting sleeve (12) is movably inserted into the trapezoidal groove (5) and matched with the trapezoidal groove.