CN213319840U

CN213319840U - Novel second-stage built-in sleeve middle-size and small-size F wrench

Info

Publication number: CN213319840U
Application number: CN202021830597.XU
Authority: CN
Inventors: 付军; 高晓亮; 董春华; 张金勇; 张利; 李传宝; 常秀芝; 刘立庆
Original assignee: Weifang Hongrun Petrochemical Technology Co ltd
Current assignee: Weifang Hongrun Petrochemical Technology Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-06-01
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses a novel second-stage built-in sleeve middle-size and small-size F wrench, which belongs to the technical field of wrenches, comprising an external sleeve, wherein the inner wall of the external sleeve is connected with a built-in first-stage sleeve in a sliding way, the inner wall of the built-in first-stage sleeve is connected with a built-in second-stage sleeve in a sliding way, the outer end of the external sleeve is provided with a large angle and a small angle, the front ends of the external sleeve and the built-in first-stage sleeve are respectively and symmetrically provided with a locking component, the locking component comprises a supporting block, the center of the supporting block is connected with an inserted bar in a; the utility model discloses an add external sleeve, built-in one-level sleeve and built-in second grade sleeve, in the face of the valve under the circumstances of jam, corrosion, take built-in one-level sleeve, built-in second grade sleeve out, increase the arm of force of F spanner, the staff of being convenient for can comparatively laborsaving quick switch valve, has both reduced staff's intensity of labour, has also reduced the potential safety hazard because of the operation lag brings.

Description

Novel second-stage built-in sleeve middle-size and small-size F wrench

Technical Field

The utility model relates to a spanner technical field specifically is a novel second grade embeds middle-size and small-size F spanner of sleeve.

Background

An F wrench in the oil refining industry is an indispensable tool for field work, and the frequency of valve opening and closing determines the labor intensity and the danger of an operator, so that the manual F wrench is the most direct method for reducing the labor intensity and the danger, many times, the operator is not clear when distinguishing the size of a valve and the size of the F wrench needing to be taken, whether the valve is jammed or not cannot be determined when the valve is opened and closed, the operator possibly needs to go to a designated place to take the wrench again, the timeliness of opening and closing the valve is delayed, operation lag is caused, and even greater accidents are caused when accident handling is not timely.

In the oil refining industry, partial valves have serious jamming, an F wrench in the prior art cannot adjust the force arm, and the use of the F wrench for opening the jammed valves needs great physical strength and long time, so that the timeliness of opening and closing the valves is delayed, the operation is delayed, and the potential safety hazard is increased.

Therefore, a novel two-stage small and medium-sized F wrench with a built-in sleeve is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel second grade embeds middle-size and small-size F spanner of sleeve to solve and provide the problem among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel middle-size and small-size F wrench with a secondary built-in sleeve comprises an external sleeve, wherein the inner wall of the external sleeve is connected with a built-in primary sleeve in a sliding manner, the inner wall of the built-in primary sleeve is connected with a built-in secondary sleeve in a sliding manner, large angles are symmetrically fixed at the bottom end of the external sleeve, small angles are symmetrically fixed at the top end of the external sleeve, first jacks are respectively formed at the top end and the bottom rear side of the built-in primary sleeve, second jacks are respectively formed at the top end and the bottom rear side of the built-in secondary sleeve, locking components are symmetrically arranged at the front ends of the external sleeve and the built-in primary sleeve, the locking components on the external sleeve are correspondingly connected with the first jacks, locking components on the built-in primary sleeve are correspondingly connected with the second jacks, each locking component comprises a supporting block, an inserting rod is slidably connected at the, and a spring is fixed at the position of the inserted link corresponding to the position between the limiting block and the supporting block.

Preferably, the rear side section of the external sleeve is in threaded connection with a screw cap.

Preferably, the inner wall of the external sleeve is symmetrically and slidably connected with a first sliding strip, a first sliding groove is formed in the position, corresponding to the first sliding strip, of the internal one-level sleeve, and the first sliding strip is slidably connected into the first sliding groove.

Preferably, the inner wall of the built-in primary sleeve is symmetrically and slidably connected with a second sliding strip, a second sliding groove is formed in the position, corresponding to the first sliding strip, of the built-in secondary sleeve, and the second sliding strip is slidably connected into the second sliding groove.

Preferably, the first insertion hole is located in the first sliding groove, and the second insertion hole is located in the second sliding groove.

Preferably, a supporting block arranged in the locking assembly on the external sleeve is fixed with the front end of the external sleeve, and an inserting rod arranged in the locking assembly on the external sleeve is correspondingly inserted into the first inserting hole.

Preferably, a supporting block in the locking assembly arranged on the built-in first-stage sleeve is fixed with the front end of the built-in first-stage sleeve, and an inserting rod in the locking assembly arranged on the built-in first-stage sleeve is correspondingly inserted into the second inserting hole.

The utility model has the advantages that:

1. by adding the external sleeve, the internal primary sleeve and the internal secondary sleeve are drawn out under the conditions of jamming and rusting of the valve, the force arm of the F wrench is increased, and a worker can conveniently and rapidly switch the valve in a labor-saving manner, so that the labor intensity of the worker is reduced, and potential safety hazards caused by operation lag are reduced;

2. by adding the locking assembly, the inserted holes in the extracted built-in first-stage sleeve and the built-in second-stage sleeve are inserted by the inserted rods, and the extracted built-in first-stage sleeve and the extracted built-in second-stage sleeve are locked and limited, so that the built-in first-stage sleeve and the built-in second-stage sleeve are prevented from sliding in the process of rotating the F wrench, and the stability of the F wrench in use is improved;

3. by adding the large angle and the small angle, the multifunctional F wrench is realized by aiming at the large available large angle of the valve wheel with large size and the small available small angle of the valve wheel with small size.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

fig. 3 is an enlarged schematic view of the structure a in fig. 2 according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-external sleeve, 2-internal primary sleeve, 21-first jack, 3-internal secondary sleeve, 31-second jack, 4-screw cap, 5-small angle, 6-large angle, 7-first slide bar, 8-first slide groove, 9-second slide bar, 10-second slide groove, 11-supporting block, 12-spring, 13-limiting block and 14-inserted rod.

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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a novel middle-size and small-size F spanner of built-in sleeve of second grade, includes external sleeve 1, and the rear side section threaded connection of external sleeve 1 has spiral cover 4, prevents that built-in one-level sleeve 2 and built-in second grade sleeve 3 from droing. The inner wall of the external sleeve 1 is connected with an internal primary sleeve 2 in a sliding manner, the inner wall of the internal primary sleeve 2 is connected with an internal secondary sleeve 3 in a sliding manner, large angles 6 are symmetrically fixed at the bottom end of the external sleeve 1, small angles 5 are symmetrically fixed at the top end of the external sleeve 1, first jacks 21 are respectively arranged at the top end and the bottom rear side of the internal primary sleeve 2, second jacks 31 are respectively arranged at the top end and the bottom rear side of the internal secondary sleeve 3, locking components are symmetrically arranged at the front ends of the external sleeve 1 and the internal primary sleeve 2, the locking components on the external sleeve 1 are correspondingly connected with the first jacks 21, the locking components on the internal primary sleeve are correspondingly connected with the second jacks 31, each locking component comprises a supporting block 11, an inserting rod 14 is connected at the center of the supporting block 11 in a sliding manner, a limiting block 13 is fixed at the top end of the inserting rod 14, and a spring 12 is, the supporting block 11 arranged in the locking component on the external sleeve 1 is fixed with the front end of the external sleeve 1, and the inserting rod 14 arranged in the locking component on the external sleeve 1 is correspondingly inserted into the first inserting hole 21. The supporting block 11 arranged in the locking component on the built-in first-stage sleeve 2 is fixed with the front end of the built-in first-stage sleeve 2, and the inserted rod 14 arranged in the locking component on the built-in first-stage sleeve 2 is correspondingly inserted into the second insertion hole 31.

The inner wall symmetry sliding connection of external sleeve 1 has first draw runner 7, and first spout 8 has been seted up to the position that built-in one-level sleeve 2 corresponds first draw runner 7, and first draw runner 7 sliding connection is in first spout 8. The inner wall of the built-in first-stage sleeve 2 is symmetrically connected with a second sliding strip 9 in a sliding mode, a second sliding groove 10 is formed in the position, corresponding to the first sliding strip 7, of the built-in second-stage sleeve 3, and the second sliding strip 9 is connected into the second sliding groove 10 in a sliding mode. The first insertion hole 21 is located in the first slide groove 8, and the second insertion hole 31 is located in the second slide groove 10.

The working principle in the embodiment is as follows:

according to the size of the valve wheel, a large angle 6 can be used for the valve wheel with larger size, and a small angle 5 can be used for the valve wheel with smaller size, so that the F wrench is multipurpose; in the face of the situation that the valve is jammed and rusted, the built-in first-stage sleeve 2 in the external sleeve 1 is pulled out, at the moment, the inserted rod 14 located at the front end of the external sleeve 1 slides in the first sliding groove 8 until the inserted rod 14 is inserted into the first insertion hole 21 under the elastic action of the spring 12, the built-in first-stage sleeve 2 is locked, meanwhile, the built-in second-stage sleeve 3 in the built-in first-stage sleeve 2 can also be pulled out, so that the inserted rod 14 located at the front end of the built-in first-stage sleeve 2 is inserted into the second insertion hole 31, the built-in second-stage sleeve 3 is locked, at the moment, the force arm of the F wrench is increased, a worker can conveniently and rapidly switch the valve in a labor-saving mode, the labor intensity of the worker is reduced, and; the built-in first-stage sleeve 2 and the built-in second-stage sleeve 3 are locked, the built-in first-stage sleeve 2 and the built-in second-stage sleeve 3 are prevented from sliding when the F wrench is used, and stability of the F wrench when the F wrench is used is improved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a novel middle-size and small-size F spanner of built-in sleeve of second grade, includes external sleeve (1), its characterized in that: the inner wall of the external sleeve (1) is connected with a built-in first-stage sleeve (2) in a sliding manner, the inner wall of the built-in first-stage sleeve (2) is connected with a built-in second-stage sleeve (3) in a sliding manner, large angles (6) are symmetrically fixed at the bottom end of the external sleeve (1), small angles (5) are symmetrically fixed at the top end of the external sleeve (1), first jacks (21) are respectively formed at the top end and the bottom rear side of the built-in first-stage sleeve (2), second jacks (31) are respectively formed at the top end and the bottom rear side of the built-in second-stage sleeve (3), locking assemblies are respectively and symmetrically arranged at the front ends of the external sleeve (1) and the built-in first-stage sleeve (2), the locking assemblies on the external sleeve (1) are correspondingly connected with the first jacks (21), the locking assemblies on the built-in first-stage sleeve are correspondingly, the supporting device is characterized in that an inserting rod (14) is connected to the center of the supporting block (11) in a sliding mode, a limiting block (13) is fixed to the top end of the inserting rod (14), and a spring (12) is fixed to the position, corresponding to the position between the limiting block (13) and the supporting block (11), of the inserting rod (14).

2. The novel two-stage small-medium-sized F wrench with built-in sleeve according to claim 1, characterized in that: the rear side section of the external sleeve (1) is in threaded connection with a screw cap (4).

3. The novel two-stage small-medium-sized F wrench with built-in sleeve according to claim 1, characterized in that: the inner wall symmetry sliding connection of external sleeve (1) has first draw runner (7), first spout (8) have been seted up to the position that built-in one-level sleeve (2) corresponds first draw runner (7), first draw runner (7) sliding connection is in first spout (8).

4. The novel two-stage built-in sleeve medium and small F wrench as claimed in claim 3, characterized in that: the inner wall of the built-in primary sleeve (2) is symmetrically connected with a second sliding strip (9) in a sliding mode, a second sliding groove (10) is formed in the position, corresponding to the first sliding strip (7), of the built-in secondary sleeve (3), and the second sliding strip (9) is connected into the second sliding groove (10) in a sliding mode.

5. The novel two-stage small-medium-sized F wrench with built-in sleeve according to claim 4, characterized in that: the first insertion hole (21) is located in the first sliding groove (8), and the second insertion hole (31) is located in the second sliding groove (10).

6. The novel two-stage small-medium-sized F wrench with built-in sleeve according to claim 1, characterized in that: a supporting block (11) arranged in the locking assembly on the external sleeve (1) is fixed with the front end of the external sleeve (1), and an inserting rod (14) arranged in the locking assembly on the external sleeve (1) is correspondingly inserted into the first inserting hole (21).

7. The novel two-stage small-medium-sized F wrench with built-in sleeve according to claim 1, characterized in that: a supporting block (11) arranged in the locking assembly on the built-in first-stage sleeve (2) is fixed with the front end of the built-in first-stage sleeve (2), and an inserting rod (14) arranged in the locking assembly on the built-in first-stage sleeve (2) is correspondingly inserted into the second inserting hole (31).