CN216803231U

CN216803231U - Adjustable F-shaped wrench

Info

Publication number: CN216803231U
Application number: CN202123199131.1U
Authority: CN
Inventors: 杨飞
Original assignee: Jiangsu Xinnong Chemical Co ltd
Current assignee: Jiangsu Xinnong Chemical Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-06-24
Anticipated expiration: 2031-12-17

Abstract

The utility model provides an adjustable F-shaped wrench which comprises a static finger, a movable finger and an adjusting handle, wherein the static finger, the movable finger and the adjusting handle are detachably connected, the adjusting handle is used for adjusting the distance between the static finger and the movable finger, the movable finger and the adjusting handle are sequentially sleeved on the static finger, the movable finger is in sliding connection with the static finger, and the adjusting handle is in threaded connection with the static finger. The adjustable F-shaped wrench can be used for fastening and disassembling valves of various sizes, realizes multiple purposes by one wrench, and can be widely applied to occasions where dangers are caused, direct contact between personnel is not easy, or manual opening and closing of a valve hand wheel cannot be realized due to pressure.

Description

Adjustable F-shaped wrench

Technical Field

The utility model belongs to the field of wrenches, and particularly relates to an adjustable F-shaped wrench.

Background

The switching of pipeline cut-off type valves is the frequent work of a front-line worker of a chemical industry enterprise. At present, the well-known F-shaped spanner structure is formed by welding a force application rod and two spanner fingers, wherein the force application rod and the two spanner fingers are of an integral structure. As the F-shaped wrenches with corresponding sizes are required to be selected for valve hand wheels with different sizes in the work, the problems of multiple carrying tools, low replacement and working efficiency and the like exist. At present, F-shaped wrenches used by a line of personnel in chemical enterprises are mostly fixed and can not be adjusted, can not be used for valve hand wheels with different sizes, and can only be scrapped integrally basically once finger pulling or force application handles are damaged. Therefore, it is necessary to develop and design an adjustable F-shaped wrench to improve the working efficiency and the utilization rate and reduce the number of tools to be carried.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides an adjustable F-type wrench to overcome the defects in the prior art.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

an adjustable F-shaped wrench comprises a static finger, a movable finger and an adjusting handle which are detachably connected, wherein the adjusting handle is used for adjusting the distance between the static finger and the movable finger, the movable finger and the adjusting handle are sequentially sleeved on the static finger, the movable finger is in sliding connection with the static finger, and the adjusting handle is in threaded connection with the static finger.

As a preferred embodiment of the present invention, the fixed finger includes a straight bar and a first wrench head, the straight bar includes a front section, a middle section and a tail section, the first wrench head is vertically arranged on the front section of the straight bar together with the straight bar, the middle section is sleeved with the movable finger, and the tail section is provided with an external thread.

In a preferred embodiment of the present invention, the movable finger includes a hollow sleeve portion and a second wrench head vertically disposed on an outer surface of the sleeve portion, and the sleeve portion is fitted over a middle section of the straight rod.

In a preferred embodiment of the present invention, the inner wall of the sleeve portion is provided with a sliding groove extending along the axis of the sleeve, and the middle section of the straight rod is provided with a rib engaged with the sliding groove.

As a preferred embodiment of the present invention, the outer surface of the adjustment handle is further provided with a knob for rotating the adjustment handle.

As a preferred embodiment of the utility model, the adjustable F-shaped wrench further comprises an anti-falling bolt, a threaded hole is formed in the side surface of the first wrench head, which is close to the second wrench head, a through hole coaxial with the threaded hole is formed in the second wrench head, and a screw post of the anti-falling bolt is screwed with the threaded hole after penetrating through the second wrench head along the through hole.

As a preferred embodiment of the present invention, an elastic member is disposed at an outer side of the first wrench head, one end of the elastic member is connected to an outer surface of the first wrench head, and the other end of the elastic member is detachably connected to the straight bar through a post disposed on an upper surface of the straight bar.

As a preferred embodiment of the utility model, the outer surfaces of the adjusting handle, the first wrench head and the second wrench head are all provided with anti-skid protrusions.

Compared with the prior art, the utility model has the following advantages:

(1) the adjustable F-shaped wrench can be used for fastening and disassembling valves of various sizes, realizes multiple purposes by one wrench, and can be widely applied to occasions where danger is caused, direct contact between personnel is not easy, or manual force of a valve hand wheel cannot be opened or closed due to pressure;

(2) all parts of the adjustable F-shaped wrench can be detached, when a certain part is damaged, only the part needs to be replaced, and the whole scrapping is avoided, so that the maintenance cost is reduced, the carrying quantity of tools for one-line operation is reduced, the frequency of replacing the tools is reduced, and the working efficiency is improved.

(3) The adjustable F-shaped wrench is simple in structure, easy to manufacture, and outstanding in popularization value and economy.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 is an internal structural view of an adjustment F-type valve wrench according to embodiment 1;

FIG. 2 is a structural view of a movable finger described in embodiment 1;

FIG. 3 is a side view of the movable finger according to embodiment 1;

FIG. 4 is a schematic view of the internal structure of the adjustment handle according to embodiment 1;

FIG. 5 is an internal structural view of an adjusting F type valve spanner according to embodiment 2;

FIG. 6 is a schematic structural view of a stationary finger according to embodiment 2;

FIG. 7 is a schematic view showing an internal structure of an adjusting F-type valve spanner according to embodiment 3;

fig. 8 is a front view of the adjustable F-type valve wrench according to embodiment 3 in a use state.

Description of reference numerals:

1. static fingers; 11. a straight rod; 12. a first wrench head; 13. a rib; 14. a threaded hole; 2. moving a finger; 21. a sleeve portion; 22. a second wrench head; 23. a chute; 24. a through hole; 3. an adjusting handle; 31. a handle; 4. an anti-falling bolt; 5. an elastic member; 6. a column; 7. and (4) anti-skid bulges.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience in describing the present invention and for simplicity in description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example 1

The utility model provides an adjustable F-shaped wrench, which comprises a static finger 1, a movable finger 2 and an adjusting handle 3 which are detachably connected, wherein the adjusting handle 3 is used for adjusting the distance between the static finger 1 and the movable finger 2, the movable finger 2 and the adjusting handle 3 are sequentially sleeved on the static finger 1, the movable finger 2 is in sliding connection with the static finger 1, and the adjusting handle 3 is in threaded connection with the static finger 1.

The static finger 1 comprises a straight rod 11 and a first wrench head 12, the straight rod 11 is divided into a front section, a middle section and a tail section, the first wrench head 12 is perpendicular to the straight rod 11 and arranged on the front section of the straight rod 11, the middle section is sleeved with the movable finger 2, and the tail section is provided with external threads. The movable finger 2 comprises a hollow sleeve part 21 and a second wrench head 22 vertically arranged on the outer surface of the sleeve part 21, and the sleeve part 21 is sleeved with the middle section of the straight rod 11 of the static finger 1.

In a preferred embodiment of the present embodiment, the inner wall of the sleeve portion 21 is provided with a sliding groove 23 extending along the axis of the sleeve, and the middle section of the straight rod 11 is provided with a rib 13 matching with the sliding groove 23. The cooperation of spout 23 and bead 13 can prevent that the spanner from moving finger 2 and taking place to rotate and causing the spanner to drop in the use.

In order to facilitate the rotation of the adjusting handle 3 by an operator, the outer surface of the adjusting handle 3 is provided with an anti-skid bulge 7, in order to further facilitate the operation, the outer surface of the adjusting handle 3 is also provided with a handle 31 for rotating the adjusting handle 3, and the handle 31 is perpendicular to the outer surface of the adjusting handle 3.

The use method of the adjustable F-shaped wrench of the embodiment comprises the following steps: the adjusting handle 3 is rotated according to the size of the valve hand wheel, if the adjusting handle 3 is rotated outwards, the movable finger 2 slides outwards along the straight rod 11 of the static finger 1, and the purpose of adjusting the distance between the first wrench head 12 and the second wrench head 22 is achieved.

Example 2

In the actual operation process, the hand wheel part condition of valve is vertical state or is located the bottom of pipeline, and rotatory hand wheel in-process drops easily this moment, causes the incident. In order to prevent the above phenomenon, in this embodiment, on the basis of embodiment 1, as shown in fig. 5 and fig. 6, an elastic member 5 is disposed outside the first wrench head 12, one end of the elastic member 5 is connected to an outer surface of the first wrench head 12, and the other end is detachably connected to the straight bar 11 through an upright 6 disposed on an upper surface of the straight bar 11. The spanner joint is taken off the tip of elastic component 5 from stand 6 on the hand wheel back, and the bottom of bypassing first spanner 12 cup joints on second spanner 22, can prevent to drop at rotatory hand wheel in-process spanner. In a more preferred embodiment, the anti-slip protrusions 7 are also provided on the outer surfaces of the first and

second wrenches

12 and 22.

In the actual use process, the elastic piece 5 can be sleeved on the second wrench head 22 around the bottom of the first wrench head 12 according to the actual use working condition to prevent the wrench from falling.

Example 3

In the actual operation process, the hand wheel part condition of valve is vertical state or is located the bottom of pipeline, and rotatory hand wheel in-process drops easily this moment, causes the incident. In order to prevent the above phenomenon, in this embodiment, on the basis of embodiment 1, as shown in fig. 7 and 8, the anti-falling bolt 4 is further included, a threaded hole 14 is formed in a side surface of the first wrench head 12 close to the second wrench head 22, a through hole 24 coaxial with the threaded hole 14 is formed in the second wrench head 22, and a screw post of the anti-falling bolt 4 is screwed with the threaded hole 14 after passing through the second wrench head 22 along the through hole 24.

According to the size of a valve hand wheel, an adjusting handle 3 is rotated, the distance between a first wrench head 12 and a second wrench head 22 is adjusted, the wrench is clamped on the hand wheel, and then an anti-falling bolt 4 sequentially penetrates through a through hole 24 and a threaded hole 14, and the distance between a static finger 1 and a moving finger 2 can be finely adjusted after the anti-falling bolt 4 is installed as the anti-falling bolt 4 can freely slide in the through hole 24.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. An adjustable F-shaped spanner is characterized in that: the device comprises a static finger, a movable finger and an adjusting handle which are detachably connected, wherein the adjusting handle is used for adjusting the distance between the static finger and the movable finger, the movable finger and the adjusting handle are sequentially sleeved on the static finger, the movable finger is in sliding connection with the static finger, and the adjusting handle is in threaded connection with the static finger.

2. The adjustable F-wrench as claimed in claim 1, wherein: the static finger comprises a straight rod and a first wrench head, the straight rod comprises a front section, a middle section and a tail section, the first wrench head is vertically arranged on the front section of the straight rod together with the straight rod, the middle section is sleeved with the movable finger, and the tail section is provided with external threads.

3. The adjustable F-wrench as claimed in claim 2, wherein: the movable finger comprises a hollow sleeve part and a second wrench head vertically arranged on the outer surface of the sleeve part, and the sleeve part is sleeved with the middle section of the straight rod.

4. The adjustable F-wrench as claimed in claim 3, wherein: the inner wall of the sleeve part is provided with a sliding groove extending along the axis of the sleeve, and the middle section of the straight rod is provided with a convex edge matched with the sliding groove.

5. The adjustable F-wrench as claimed in claim 1, wherein: the outer surface of the adjusting handle is also provided with a handle for rotating the adjusting handle.

6. The adjustable F-wrench as claimed in claim 1, wherein: the adjustable F-shaped wrench further comprises an anti-falling bolt, a threaded hole is formed in the first wrench head and close to the side face of the second wrench head, a through hole coaxial with the threaded hole is formed in the second wrench head, and a screw rod column of the anti-falling bolt penetrates through the second wrench head along the through hole and then is in threaded connection with the threaded hole.

7. The adjustable F-wrench as claimed in claim 1, wherein: the outer side of the first wrench head is provided with an elastic part, one end of the elastic part is connected with the outer surface of the first wrench head, and the other end of the elastic part is detachably connected with the straight rod through an upright column arranged on the upper surface of the straight rod.

8. The adjustable F-wrench as claimed in claim 3, wherein: the outer surfaces of the adjusting handle, the first wrench head and the second wrench head are all provided with anti-skidding bulges.