CN112518642A

CN112518642A - Oil filter nut dismouting spanner

Info

Publication number: CN112518642A
Application number: CN202011316737.6A
Authority: CN
Inventors: 罗军; 陈灌生; 刘枢; 王雄; 朱军; 卜伟伟; 聂姣; 刘文喜
Original assignee: Jianglu Machinery and Electronics Group Co Ltd
Current assignee: Jianglu Machinery and Electronics Group Co Ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-03-19

Abstract

The invention discloses an oil filter nut dismounting wrench, which is used for dismounting a nut and relates to the technical field of production tools; the torsion bar is characterized by comprising an arc-shaped clamping jaw, a torsion bar, a locking thread sleeve and a wrench bar, wherein one end of the torsion bar is connected with the arc-shaped clamping jaw, the other end of the torsion bar is connected with the wrench bar, and the middle of the torsion bar is in threaded connection with the locking thread sleeve; the invention is designed according to a maintenance operation tool, the wrench jaws are extended in space positions, the operation in a narrow space is converted into a free state in an open environment, the problem of disassembling and assembling the oil filter nut is effectively solved, the fastening force of the oil filter nut is ensured, a new method is provided for disassembling and assembling the product, the nut which is positioned in the narrow space and has a plurality of obstacle interference positions is conveniently and quickly disassembled, the labor intensity is greatly reduced, the assembly efficiency is improved by several times, and the assembly quality is stable and reliable.

Description

Oil filter nut dismouting spanner

Technical Field

The invention discloses an oil filter nut dismounting wrench, which is used for dismounting a nut and relates to the technical field of production tools.

Background

The oil filter is a filtering device for filtering hydraulic oil and generally comprises a shell and a filter element; an oil filter with certain precision is installed in equipment, which is a necessary means for ensuring the work of a hydraulic system; the oil filter has wide application and more varieties, and the wire-gap oil filter used on large and medium-sized equipment and vehicles comprises an end cover, a filter element, a nut, a cylinder shell and the like; fluid can produce other impurity such as more granule, moisture, gas at equipment recycling in-process, and these impurity are attached to on the filter core, make the filter core block up, so need often wash and change the filter core.

When the oil filter nut needs to be detached during replacement of the filter element, the oil filter nut is detached without the next hand and is difficult to replace because the area where the oil filter is located is in the equipment, the position space of the oil filter is narrow, and the oil filter nut and the multi-path connecting oil pipe are limited by interference of a plurality of obstacles; the oil filter cartridge nut is disassembled and assembled on equipment, a copper rod is used for knocking when the oil filter cartridge nut is disassembled and assembled at present, the size of locking force cannot be controlled, the phenomenon that the fastening nut is loosened when the equipment works also exists, in addition, the maintenance time is prolonged, and the labor intensity is high.

Disclosure of Invention

The invention aims to: the utility model provides an oil filter nut dismouting spanner solves oil filter nut dismouting difficult problem fast.

The technical scheme adopted by the invention is as follows: the utility model provides an oil filter nut dismouting spanner, includes arc jack catch, torsion bar, locking thread bush, spanner rod, torsion bar one end is connected with the arc jack catch, and the other end is connected with the spanner rod, and middle threaded connection has the locking thread bush.

The working principle of the invention is as follows: the length of the torsion bar is utilized to avoid obstacles, the acting force applied by the wrench rod is transmitted to the torsion bar, the torsion bar generates torsion force, namely, the thrust applied from the high position is transmitted to the torsion at the low position, so that the oil filter nut is conveniently disassembled or assembled, and the working environment is greatly improved; wherein: the locking thread sleeve is firstly arranged at the position shown in figure 1, the spherical end of the torsion bar is held, the arc-shaped clamping jaw is clamped into the clamping groove of the oil filter nut from the bottom to the top, then the locking thread sleeve is screwed down and arranged at the position shown in figure 2, the wrench rod is locked, and the oil filter nut can be screwed or unscrewed by pushing the wrench rod forwards or backwards, so that the purpose of replacing the filter element is realized.

When the wrench is used, the locking thread sleeve is screwed upwards to close the thread at the ball end of the torsion bar to enable the locking thread sleeve to be located at the upper end position (figure 1) of the torsion bar, the spherical position of the torsion bar of the disassembling wrench is held, the arc-shaped clamping jaw is hung upwards from the bottom of the oil filter nut and with the external clamping groove of the oil filter nut, then the locking thread sleeve is screwed out, then the locking thread sleeve is screwed downwards to press the upper surface (figure 2) of the oil filter nut, and the wrench rod can be used for disassembling.

The upper part and the lower part of the torsion bar are respectively provided with a suspension external thread and a locking external thread, the end close to the suspension external thread is provided with a spherical end, a through hole is horizontally opened in the spherical end, the wrench rod penetrates through the through hole to be connected with the torsion bar, and the suspension external thread at the upper end can be used for suspending a locking thread sleeve; the locking external thread at the lower end is used for locking an oil filter nut; the cylinder at the lower end is matched with the fixing hole in the arc-shaped clamping jaw and is firmly welded; the wrench avoids obstacles by utilizing the length of the torsion bar, and enables the oil filter nut to be screwed or unscrewed when the torsion bar bears torsion.

The arc-shaped clamping jaw is provided with a fixing hole, the fixing hole is connected with the torsion bar, clamping jaw tooth parts are arranged on the inner side of the arc-shaped clamping jaw at equal intervals, the inclination of the inclined plane of each clamping jaw tooth part is set to be less than 3 degrees, the rigidity of the arc-shaped clamping jaw is good, the contact area is large, the clamping jaw tooth parts are designed to be 3 degrees inclined planes and correspond to the inclination of the oil filter nut tooth groove, so that the tooth parts are in tight contact, the contact gap is reduced, and the arc-shaped clamping jaw is prevented from.

The locking thread sleeve is provided with an anti-skid end on the outer wall of the end, the other end of the locking thread sleeve is provided with a limiting convex edge, the locking internal thread is matched with the locking external thread, the hanging internal thread is matched with the hanging external thread, the hanging internal thread is screwed with the torsion bar and is hung on the upper part of the torsion bar, and the locking thread sleeve is prevented from generating obstacles when a claw hooks a nut tooth socket; when the internal locking thread is screwed downwards on the torsion bar, the end surface of the internal locking thread presses the upper surface of the oil filter nut, so that the wrench and the nut are combined into a whole, the wrench bar is convenient to keep stable and does not incline when the wrench bar is used.

The locking thread bush outside is provided with the knurling, makes things convenient for manual rotation.

The diameter of the fixing hole corresponds to the diameter of the end part of the torsion bar, and the fixing hole is welded with the torsion bar, so that the structure is more stable.

The both ends of spanner pole are provided with the end cap, and the end cap prevents the spanner pole roll-off, and the spanner pole passes through the through-hole of torsion bar upper end, can bear great moment, rotating nut.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

the nut which is positioned in a narrow space and has interference of a plurality of obstacles can be conveniently and quickly disassembled, so that the labor intensity is greatly reduced, the assembly efficiency is improved by multiple times, and the assembly quality is stable and reliable; the wrench is low in cost and reasonable in technical design, improves the working environment, provides a new scheme for assembly, and has good popularization.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic diagram of an idle state structure according to the present invention;

FIG. 2 is a schematic structural diagram of a use state of the present invention;

FIG. 3 is a schematic top view of the arcuate jaw of the present invention;

FIG. 4 is a front view of the arcuate jaw of the present invention;

FIG. 5 is a schematic view of a locking thread bushing structure of the present invention;

FIG. 6 is a schematic view of the torsion bar construction of the present invention;

FIG. 7 is a schematic view of the present invention with the nut removed;

labeled as: 1-arc claw, 2-torsion bar, 3-locking thread sleeve, 4-wrench bar, 5-oil filter shell, 6-oil filter nut, 11-fixing hole, 12-claw tooth part, 21-locking external thread, 22-hanging external thread, 23-spherical end, 24-through hole, 31-limiting convex edge, 32-locking internal thread, 33-hanging internal thread and 34-anti-slip end.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1-7, an oil filter nut dismounting wrench comprises an arc-shaped jaw 1, a torsion bar 2, a locking thread sleeve 3 and a wrench rod 4, wherein one end of the torsion bar 2 is connected with the arc-shaped jaw 1, the other end of the torsion bar is connected with the wrench rod, and the middle of the torsion bar is in threaded connection with the locking thread sleeve 3.

The working principle of the invention is as follows: the invention avoids obstacles by utilizing the length size of the torsion bar 2, and transmits acting force applied by the wrench rod 4 to the torsion bar 2, so that the torsion bar 2 generates torsion force, namely, the thrust applied from a high position is transmitted to a low position torsion force, thereby conveniently disassembling or assembling the oil filter nut 6 and greatly improving the working environment; wherein: the locking thread sleeve 3 is firstly arranged at the position shown in figure 1, the spherical end 23 of the torsion bar 2 is held, the arc-shaped clamping claw 1 is clamped into the clamping groove of the oil filter nut 6 from the bottom to the top, then the locking thread sleeve 3 is screwed down and arranged at the position shown in figure 2, locking is carried out, the wrench rod 4 is pushed forwards or backwards, and the oil filter nut 6 can be screwed or unscrewed, so that the purpose of replacing the filter element is realized.

When the wrench is used, the locking thread sleeve 3 is screwed upwards to close the thread at the ball end of the torsion bar 2 to enable the locking thread sleeve to be positioned at the upper end position (figure 1) of the torsion bar 2, the ball position of the wrench torsion bar 2 is held, the arc-shaped clamping jaw 1 is hung upwards from the bottom of the oil filter nut 6 and an external clamping groove of the oil filter nut, then the locking thread sleeve 3 is screwed out, and then the locking thread sleeve is screwed downwards to press the upper surface (figure 2) of the oil filter nut 6, so that the wrench rod 4 can be used for dismounting.

Example 2

On the basis of embodiment 1, the upper and lower parts of the torsion bar 2 are respectively provided with a suspension external thread 22 and a locking external thread 21, the end close to the suspension external thread 22 is provided with a spherical end 23, a through hole 24 is horizontally opened in the spherical end 23, the wrench bar passes through the through hole 24 to be connected with the torsion bar 2, and the suspension external thread 22 at the upper end can suspend the locking thread sleeve 3; the locking male thread 21 at the lower end functions as a locking filter nut 6; the cylinder at the lower end is matched with the fixing hole 11 in the arc-shaped clamping jaw 1 and is firmly welded; the wrench avoids obstacles by virtue of the length dimension of the torsion bar 2 and tightens or loosens the oil filter nut 6 when the torsion bar 2 is subjected to a torsion force.

Example 3

On the basis of embodiment 2, the arc-shaped clamping jaw 1 is provided with a fixing hole 11, the fixing hole 11 is connected with the torsion bar 2, the inner side of the arc-shaped clamping jaw 1 is equidistantly provided with clamping jaw tooth parts 12, the slope inclination of the slope of the clamping jaw tooth parts 12 is set to be less than 3 degrees, the rigidity of the arc-shaped clamping jaw 1 is good, the contact area is large, the clamping jaw tooth parts 12 are designed to be 3 degrees of slopes and correspond to the slope inclination of the tooth groove of the oil filter nut 6, so that the tooth parts can be in close contact, the contact gap is reduced, and the arc-shaped clamping jaw 1 is prevented from.

Example 4

On the basis of embodiment 2, two ends of an inner hole of the locking threaded sleeve 3 are respectively provided with a locking inner thread 32 and a hanging inner thread 33, the locking threaded sleeve 3 is positioned on the outer wall of the end of the hanging inner thread 33 and is provided with an anti-skidding end 34, the other end of the locking threaded sleeve is provided with a limiting convex edge 31, the locking inner thread 32 is matched with the locking outer thread 21, the hanging inner thread 33 is matched with the hanging outer thread 22, the hanging inner thread 33 is screwed on the torsion bar 2 and is hung on the upper part of the torsion bar, and the phenomenon that the locking threaded sleeve 3 generates obstacles when a; when the torque rod 2 is screwed down, the end face of the internal locking thread 32 presses the upper surface of the oil filter nut 6, so that the wrench and the nut are combined into a whole, and the wrench rod 4 is kept stable and does not tilt.

Example 5

On the basis of embodiment 1, the locking thread bush 3 is externally provided with knurling patterns, so that manual rotation is facilitated.

Example 6

In example 3, the diameter of the fixing hole 11 corresponds to the diameter of the end portion of the torsion beam 2, and the fixing hole 11 is welded to the torsion beam 2, thereby making the structure more stable.

Example 7

On the basis of embodiment 1, the two ends of the wrench rod 4 are provided with plugs, the plugs prevent the wrench rod 4 from sliding out, and the wrench rod 4 can bear larger torque and rotate the nut through the through hole 24 at the upper end of the torsion bar 2.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be embraced therein.

Claims

1. The utility model provides an oil filter nut dismouting spanner, includes arc jack catch (1), torsion bar (2), locking thread bush (3), spanner rod (4), its characterized in that, torsion bar (2) one end is connected with arc jack catch (1), and the other end is connected with spanner rod (4), and middle threaded connection has locking thread bush (3).

2. The spanner for removing oil filter nuts as claimed in claim 1, wherein the torsion bar (2) is provided at upper and lower portions thereof with a suspension male screw (22) and a locking male screw (21), respectively, and the end near the suspension male screw (22) is provided with a spherical end (23), the spherical end (23) has a through hole (24) formed therein, and the spanner bar (4) is connected to the torsion bar (2) through the through hole (24).

3. The wrench for removing and installing the oil filter nut as claimed in claim 2, wherein the arc-shaped clamping jaw (1) is provided with a fixing hole (11), the fixing hole (11) is connected with the torsion bar (2), clamping jaw tooth parts (12) are equidistantly arranged on the inner side of the arc-shaped clamping jaw (1), and the slope of the inclined surface of each clamping jaw tooth part (12) is less than 3 degrees.

4. The oil filter nut dismounting wrench as claimed in claim 2, characterized in that the locking thread sleeve (3) is provided with a locking internal thread (32) and a hanging internal thread (33) at two ends of the inner hole, the locking thread sleeve (3) is provided with an anti-slip end (34) at the outer wall of the hanging internal thread (33), the other end is provided with a limiting convex edge (31), the locking internal thread (32) is matched with the locking external thread (21), and the hanging internal thread (33) is matched with the hanging external thread (22).

5. The oil filter nut dismantling wrench as claimed in claim 1, wherein said locking thread bushing (3) is externally provided with knurling.

6. The oil filter nut spanner according to claim 3, wherein the diameter of the fixing hole (11) corresponds to the diameter of the end of the torsion bar (2), and the fixing hole (11) is welded to the torsion bar (2).

7. The oil filter nut dismantling wrench as claimed in claim 1, wherein the wrench rod (4) is provided with plugs at both ends.