CN115256287A - Multifunctional wrench - Google Patents

Abstract

The invention relates to the technical field of flange bolt dismounting, in particular to a multifunctional wrench. The multifunctional wrench comprises an operating rod, a rotary reversing output mechanism and a connecting rod, wherein one end of the operating rod is connected with the input end of the rotary reversing output mechanism, one end of the connecting rod is connected with the output end of the rotary reversing output mechanism and used for reversing the torque input by the operating rod and outputting the torque through the connecting rod, and a sleeve connecting structure is arranged at the other end of the connecting rod. The advantages are that: the flange bolt is simple and reasonable in structural design, the flange bolt can be disassembled and installed in a narrow space, and personnel can disassemble and install equipment and the flange bolt outside the space; the disassembly and the assembly of equipment without force points and flange bolts can be met, and the possibility that personnel stand on the equipment to carry out high-altitude operation is reduced.

Description

Multifunctional wrench

Technical Field

The invention relates to the technical field of flange bolt dismounting, in particular to a multifunctional wrench.

Background

Natural gas station yard process equipment is when the initial stage installation, because plan and arrange the reason, bolt dismantlement and installation space problem when the maintenance is examined to the insufficient consideration later stage equipment, when carrying out equipment and flange bolt dismantlement and installation operation, because overall arrangement and operation space restriction, personnel can't get into narrow and small space or have the operation to have the circumstances such as no power point, and the bolt dismantlement and the installation operation of this type of special environment can't be satisfied to current ordinary spanner, lead to the operation degree of difficulty and operation risk to increase.

Disclosure of Invention

The invention aims to provide a multifunctional wrench, which effectively overcomes the defects of the prior art.

The technical scheme for solving the technical problems is as follows:

the utility model provides a multifunctional wrench, includes action bars, rotatory switching-over output mechanism and connecting rod, the one end of above-mentioned action bars is connected with above-mentioned rotatory switching-over output mechanism's input, and above-mentioned connecting rod one end is connected with above-mentioned rotatory switching-over output mechanism's output for the moment of torsion that inputs with above-mentioned action bars is commuted the back and is exported through above-mentioned connecting rod, and the above-mentioned connecting rod other end is equipped with the telescopic connection structure.

On the basis of the technical scheme, the invention can be further improved as follows.

Further, the rotary reversing output mechanism comprises a shell, a worm wheel and a worm, the worm is rotatably assembled in the shell, one end of the operating rod is fixedly connected with one end of the worm, the long axis directions of the operating rod and the worm are consistent, the worm wheel is rotatably assembled in the shell through a central shaft and meshed with the worm, and one end of the connecting rod is fixedly connected with one end of the central shaft of the worm wheel.

Further, the sleeve connecting structure is a boss arranged at the end part of the other end of the connecting rod, and the boss is used for being in plug-in fit with the sleeve.

Further, the sleeve connecting structure is a cuboid cylinder, and the center of the sleeve connecting structure coincides with the center of the connecting rod.

Further, the other end of the operating rod is provided with an operating handle.

Further, the operating handle is a long straight rod member perpendicular to the other end of the operating rod.

Further, the operating handle is a hand wheel.

Further, the operating rod is a telescopic rod.

Further, the connecting rod is a telescopic rod.

The invention has the beneficial effects that: the flange bolt mounting and dismounting device is simple and reasonable in structural design, can meet the requirements of dismounting and mounting the flange bolt in a narrow space, and can realize dismounting and mounting of equipment and the flange bolt outside the space by personnel; the disassembly and the assembly of equipment without force points and flange bolts can be met, and the possibility that personnel stand on the equipment to carry out high-altitude operation is reduced.

Drawings

FIG. 1 is a schematic view of the multi-function wrench of the present invention;

fig. 2 is a schematic structural view of the rotary reversing output mechanism of the multi-purpose wrench of the present invention.

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

1. an operating lever; 2. a rotary reversing output mechanism; 3. a connecting rod; 11. an operating handle; 21. a housing; 22. a worm gear; 23. a worm; 31. a sleeve connecting structure.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.

Example (b): as shown in fig. 1 and 2, the multi-purpose wrench of the present embodiment includes an operation rod 1, a rotary direction-changing output mechanism 2, and a connection rod 3, wherein one end of the operation rod 1 is connected to an input end of the rotary direction-changing output mechanism 2, one end of the connection rod 3 is connected to an output end of the rotary direction-changing output mechanism 2, and is configured to change a direction of a torque input by the operation rod 1 and output the torque through the connection rod 3, and a sleeve connection structure 31 is disposed at the other end of the connection rod 3.

The using process is as follows:

when a person operates, the sleeve is arranged on the sleeve connecting structure 31 and is sleeved on the flange bolt, then torque is applied to enable the operating rod 1 to rotate, the connecting rod 3 is driven to rotate through the rotating reversing output mechanism 2 in the rotating process of the operating rod 1, due to the design of the rotating reversing output mechanism 2, the directions of the operating rod 1 and the connecting rod 3 are different, and the operating rod 1 and the connecting rod 3 are long-axis components, so that the whole wrench is very suitable for operation in narrow space or without operating points, the structural design of the whole wrench is simple and reasonable, the wrench is suitable for dismounting and mounting of equipment and flange bolts in special environments such as various narrow spaces or operating points without operating points, and can be exchanged with various existing sleeves, the wrench is convenient to operate and simple to use, the inspection and maintenance efficiency can be effectively improved, and in the actual operation process, the person can dismount and mount the equipment and the flange bolts outside the space; the disassembly and the assembly of equipment without force points and flange bolts can be met, and the possibility that personnel stand on the equipment to carry out high-altitude operation is reduced.

The design purpose of whole spanner lies in, change the direction of the output moment of torsion of action bars 1 through rotatory switching-over output mechanism 2, make connecting rod 3 and action bars 1 be in the position of difference, and the moment of torsion of action bars 1 can also smooth and easy transmission indicate connecting rod 3, in the operation process, exert the moment of torsion in action bars 1 department, and transmit to connecting rod 3 after the moment of torsion switching-over through rotatory switching-over output mechanism 2, realize that connecting rod 3 passes through the disassembling and the installation of sleeve to the flange bolt, it is inconvenient under the special environment equipment and flange bolt effectively to have solved, the safety risk is high, be difficult to dismantle and the difficult problem of installation.

In a preferred embodiment, the rotary direction changing output mechanism 2 includes a housing 21, a worm wheel 22, and a worm 23, the worm 23 is rotatably fitted in the housing 21, one end of the operating lever 1 is fixedly connected to one end of the worm 23, and the long axis directions of the two are aligned, the worm wheel 22 is rotatably fitted in the housing 21 through a central axis and is engaged with the worm 23, and one end of the connecting rod 3 is fixedly connected to one end of the central axis of the worm wheel 22.

In the above-mentioned embodiment, at the rotatory in-process of action bars 1, it is rotatory to drive worm 23, worm 23 further drives worm wheel 22 rotatory, worm wheel 22 drives connecting rod 3 rotatory through the center pin that goes center department when rotatory, thereby it is rotatory to drive the sleeve of being connected with connecting rod 3, realize flange bolt's dismouting operation through the sleeve, in this structure, owing to adopt worm 23 and worm wheel 22's structure cooperation, consequently, action bars 1 and connecting rod 3 mutually perpendicular's arrangement, the output direction of moment of torsion has been changed.

In this embodiment, the housing 21 may be a rectangular parallelepiped housing, the operating rod 1 extends from one side edge of the housing 21 to be connected to the worm 23, and the connecting rod 3 extends vertically from one side of the housing 21 to be connected to the central axis of the worm wheel 22, so as to change the direction of torque transmission between the two.

In this embodiment, one end of the operation rod 1 may be assembled by welding to one end of the worm 23, and the central axis of the worm wheel 22 may be assembled by welding to one end of the connecting rod 3.

More specifically, at one side edge of the housing 21, there is provided a shaft hole which is coaxial with the worm 23 and extends to one end of the worm 23, and one end of the operation lever 1 penetrates into the shaft hole and is fixedly connected to one end of the worm 23.

More specifically, a through hole coaxial with the central shaft is provided in one surface of the housing 21, the through hole extending to one end of the central shaft, and one end of the connecting rod 3 is inserted through the through hole and is fixedly connected to one end of the central shaft.

In this embodiment, one end of the operating rod 1 may be detachably connected to one end of the worm 23 by using a plug bush, specifically, a non-circular first blind hole may be formed in an end portion of the worm 23, a first plug-in cylinder adapted to the first blind hole is designed at one end of the operating rod 1, and the first plug-in cylinder is inserted into the first blind hole, so that the detachable connection between the operating rod 1 and the worm 23 is realized, and the rotational linkage between the operating rod 1 and the worm 23 after connection is not affected.

In this embodiment, the one end of connecting rod 3 can also adopt the mode of plug bush can dismantle with the one end of worm wheel 22's center pin and be connected, specifically, the one end tip of worm wheel 22's center pin can set up non-circular shape second blind hole, the one end design of connecting rod 3 and the second grafting cylinder of second blind hole adaptation insert the second blind hole through this second grafting cylinder, realize dismantling between connecting rod 3 and the worm wheel 22 and be connected to do not influence the rotatory linkage after the two are connected.

In a preferred embodiment, the sleeve connection structure 31 is a boss provided at the other end of the connecting rod 3, and the boss is adapted to be inserted into and engaged with the sleeve.

In the above embodiment, the boss matched with the sleeve is designed at the end part of the other end of the connecting rod 3, the boss forms a sleeve connecting structure 31, and the rotating center of the connecting rod 3 coincides with the center of the boss, so that the boss cannot eccentrically rotate, and the sleeve can be rotated to disassemble the flange bolt.

In a preferred embodiment, the sleeve connection structure 31 (i.e., a boss) is a rectangular parallelepiped cylinder, and the center thereof coincides with the center of the connecting rod 3.

In the above embodiment, the sleeve connection structure 31 adopts the boss of cuboid type cylinder, and adapts to the sleeve of most existing models on the market, and in the actual operation and use process, the sleeve of adaptation model is selected according to the model size of the flange bolt, and then the sleeve is inserted and sleeved on the boss.

Certainly, the magnet can be inlayed to the boss, because the sleeve generally is can with the adsorbed metal material of magnet, consequently, when the sleeve plug bush is on the boss, can make sleeve and boss adsorb each other through the magnet of inlaying on the boss and be connected for the sleeve plug bush can not drop easily after on the boss.

In a preferred embodiment, the other end of the operating lever 1 is provided with an operating handle 11.

In the above embodiment, because the operating rod 1 is the long straight member (long axis member), therefore, it is not very convenient when twisting to exert external force to it, consequently, add operating handle 11 at the other end of operating rod 1, drive operating rod 1 rotatory through exerting torsion to operating handle 11 to realize that connecting rod 3 drives the rotatory dismouting that carries out of sleeve and flange bolt, it is more convenient to use.

In a preferred embodiment, the operating handle 11 is a long straight rod member perpendicular to the other end of the operating rod 1.

In the above embodiment, the operating handle 11 is a long straight rod, and is generally a steel pipe member, and the other end of the operating handle 11 is welded and fixed to the middle of the operating handle 11.

In a preferred embodiment, the operating handle 11 is a hand wheel.

In the above embodiment, the operating handle 11 adopts the hand wheel of the prior art, and the operating rod 1 can be driven to rotate by twisting the hand wheel, so that the connecting rod 3, the sleeve and the flange bolt can be disassembled and assembled in a rotating manner, and the force can be applied conveniently.

Of course, operating handle 11 can be replaced by other structures in this embodiment, if can be with operating handle 11 replacement for electric hand drill, set up in the sleeve of electric hand drill adaptation at the other end of action bars 1, the electric hand drill drive end connect with the axle of sleeve adaptation, the sleeve is inserted to this axle, electric hand drill can electrically order about action bars 1 rotatory at the operation in-process, and then drive connecting rod 3 rotatory, realize the operation of electrodynamic, reduce the intensity of labour of operation personnel to the flange bolt dismouting, the operating efficiency is higher.

In a preferred embodiment, the operating rod 1 is a telescopic rod.

Among the above-mentioned embodiment, action bars 1 adopts the telescopic link, and its length can be adjusted, can be according to the size in space and the nimble length of adjusting action bars 1 in position that the user was located in the in-service use process to space standard (requirement) when reducing the user operation, it is more convenient to use.

In this embodiment, the operating rod 1 may be a multi-section telescopic rod that is commercially available, and the length of the operating rod 1 that is stretched may be adjusted in advance during use to meet actual operating requirements.

In a preferred embodiment, the connecting rod 3 is a telescopic rod.

In this embodiment, the operating rod 1 may be a multi-section telescopic rod that is conventional in the market, and the length of the operating rod 1 can be adjusted in advance when in use, so as to meet actual operation requirements.

Among the above-mentioned embodiment, connecting rod 3 adopts the telescopic link, and its length can be adjusted, can be according to the size in space and the nimble length of adjusting connecting rod 3 in position that the user was located in the in-service use process to space standard (requirement) when reducing the user operation, it is more convenient to use.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description of the specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means 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 are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (9)

1. A multifunctional wrench is characterized in that: including action bars (1), rotatory switching-over output mechanism (2) and connecting rod (3), the one end of action bars (1) with the input of rotatory switching-over output mechanism (2) is connected, connecting rod (3) one end with the output of rotatory switching-over output mechanism (2) is connected, be used for with the moment of torsion of action bars (1) input trades the back warp connecting rod (3) output, the connecting rod (3) other end is equipped with muffjoint structure (31).

2. The multi-function wrench as claimed in claim 1, wherein: rotatory switching-over output mechanism (2) includes casing (21), worm wheel (22) and worm (23), the rotatable assembly of worm (23) in casing (21), the one end of action bars (1) with the one end of worm (23) is connected fixedly, and the long axis direction of the two is unanimous, worm wheel (22) pass through the rotatable assembly of center pin in casing (21), and with worm (23) interlock, the one end of connecting rod (3) with the center pin one end of worm wheel (22) is connected fixedly.

3. The multi-purpose wrench as claimed in claim 1, wherein: the sleeve connecting structure (31) is a boss arranged at the end part of the other end of the connecting rod (3), and the boss is used for being in plug-in fit with the sleeve.

4. A multi-function wrench as claimed in claim 3, wherein: the sleeve connecting structure (31) is a cuboid cylinder, and the center of the sleeve connecting structure coincides with the center of the connecting rod (3).

5. The multi-purpose wrench as claimed in claim 1, wherein: the other end of the operating rod (1) is provided with an operating handle (11).

6. The multi-function wrench as claimed in claim 5, wherein: the operating handle (11) is a long straight rod body component which is vertical to the other end of the operating rod (1).

7. The multi-function wrench as claimed in claim 5, wherein: the operating handle (11) is a hand wheel.

8. The multi-function wrench as claimed in claim 1, wherein: the operating rod (1) is a telescopic rod.

9. A multi-function wrench as claimed in any one of claims 1 to 8, wherein: the connecting rod (3) is a telescopic rod.

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