CN109129280B - Wrench assembly - Google Patents

Abstract

The present invention provides a wrench assembly comprising: a first wrench, one end of the first wrench adapted to fit over the nut; a second wrench, one end of the second wrench adapted to fit over the bolt; a first locking member rotatably disposed on one of said other end of said first wrench and said other end of said second wrench; a second locking member rotatably provided on the other of the other end of the first wrench and the other end of the second wrench; and a third retaining member, one end of which is detachably arranged on the first retaining member, wherein the third retaining member is in threaded fit with the second retaining member to rotate the third retaining member or drive the first wrench or the second wrench during the second retaining member. The wrench assembly according to the invention has the characteristics of requiring a small working space and being particularly labor-saving.

Description

Wrench assembly

Technical Field

The invention relates to the technical field of hand tools, in particular to a wrench assembly.

Background

In the related art, in some applications, a large torque is required for thread locking, for example, high-pressure nitrogen bottles and high-pressure oxygen bottles require a very high safety locking torque, and when the space is insufficient, a wrench with a long size cannot be used, so that the disassembling force of the nut exceeds the force range of people.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. To this end, the invention proposes a wrench assembly which has the features of requiring a small working space and being particularly labor-saving.

The wrench assembly according to the present invention comprises: a first wrench, one end of the first wrench adapted to fit over the nut; a second wrench, one end of the second wrench adapted to fit over the bolt; a first locking member rotatably disposed on one of said other end of said first wrench and said other end of said second wrench; a second locking member rotatably provided on the other of the other end of the first wrench and the other end of the second wrench; and a third retaining member, one end of which is detachably arranged on the first retaining member, wherein the third retaining member is in threaded fit with the second retaining member to rotate the third retaining member or drive the first wrench or the second wrench during the second retaining member.

According to the wrench assembly, the third locking member is in threaded fit with the second locking member, and the third locking member or/and the fourth locking member is/are rotated, so that the first wrench or the second wrench is rotated, and the wrench assembly has the characteristics of small required working space and particular labor saving.

According to one embodiment of the invention, the first retaining member is provided with a plurality of spaced apart latch teeth and the third retaining member is provided with a spacer at one end for engaging the latch teeth.

According to an embodiment of the present invention, the one end of the third locker is further provided with a stopper protrusion for limiting the movement of the spacer.

According to one embodiment of the invention, the third locking member is provided with an external thread cooperating with the second locking member.

According to one embodiment of the invention, at least part of the second locking member is configured into an arc-shaped structure, and the other end of the third locking member penetrates through the second locking member and is arranged in a space enclosed by the arc-shaped structure.

According to one embodiment of the invention, the wrench assembly further comprises: and the power-assisted handle is arranged at the other end of the third locking piece and is arranged in a space surrounded by the arc-shaped structures.

According to one embodiment of the invention, the assist handle is detachably provided on the other end of the third lock.

According to one embodiment of the invention, a first hook is arranged on the first locking piece, and a first mounting hole matched with the first hook is arranged on the first wrench;

and a second hook is arranged on the second locking part, and a second mounting hole matched with the second hook is arranged on the second wrench.

According to one embodiment of the invention, the first hook is fixed to the first locking member by a bearing, and the second hook is fixed to the second locking member by a bearing.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a partial schematic view of a wrench assembly according to the present invention;

FIG. 2 is a schematic view of a wrench assembly according to the present invention;

FIG. 3 is a schematic view of a wrench assembly according to the present invention.

Reference numerals: wrench assembly 100, first wrench 110, second wrench 120, first retaining member 130, latch 131, second retaining member 140, third retaining member 150, spacer 151, limiting protrusion 152, first hook 160, second hook 170, and booster handle 180.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

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 implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such 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; may be mechanically coupled, may be electrically coupled or may be in communication with each other; 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.

The wrench assembly 100 of the present invention is described below with respect to fig. 1-3.

The wrench assembly 100 according to the present invention includes a first wrench 110, a second wrench 120, a first locker 130, a second locker 140, and a third locker 150, wherein one end of the first wrench 110 is adapted to be fitted to a nut, one end of the second wrench 120 is adapted to be fitted to a bolt, the first locker is rotatably provided at the other end of the first wrench 110 and the other end of the second wrench 120, the second locker 140 is rotatably provided at the other end of the first wrench 110 and the other end of the second wrench 120, one end of the third locker 150 is detachably provided at the first locker 130, and the third locker 150 is screw-engaged with the second locker 140 to drive the first wrench 110 or the second wrench 120 to rotate when the third locker 150 or the second locker 140 is rotated.

As shown in fig. 2, when one end of the first wrench 110 is engaged with the nut and one end of the second wrench 120 is engaged with the bolt, an angle is formed between the first wrench 110 and the second wrench 120, such that a larger distance is provided between the other end of the first wrench 110 and the other end of the second wrench 120, the first locking member 130 is fixed to the other end of the first wrench 110, the second locking member 140 is fixed to the other end of the second wrench 120, the other end of the first wrench 110 and the other end of the second wrench 120 can be connected by connecting the third locking member 150 with the first locking member 130, the third locking member 150 and the second locking member 140 are engaged by threads, and rotating the third locking member 150 shortens the distance between the third locking member 150 and the second locking member 140, thereby shortening the distance between the other end of the first wrench 110 and the other end of the second wrench 120, and further rotating the nut at one end of the first wrench 110 and the bolt at one end of the second wrench 120 relatively .

The wrench assembly 100 according to the present invention has a wide range of applications and a high degree of applicability, and the first wrench 110 or the second wrench 120 is rotated by threadedly engaging the third locker 150 with the second locker 140 and rotating the third locker 150 or/and the fourth locker 140, thereby greatly reducing an operating force required for removing or installing a nut.

As shown in fig. 3, a plurality of spaced latches 131 are provided on the first locking member 130, a spacer 151 engaged with the latch 131 is provided at one end of the third locking member 150, the end of the first locking member 130 where the latch 131 is provided may be configured as two latch fixing bases, a plurality of latches 131 are provided on the two latch fixing bases, and the spacer 151 provided on the third locking member 150 has a disk shape and may be latched on a pair of latches 131, the latches 131 have a plurality of pairs to be adapted to different distances, and the latches 131 may transmit force transmitted from the spacer 151 to the first locking member 130.

Through setting up latch 131 and gasket 151, make spanner subassembly 100 application scope increase effectively, all can solve through gasket 151 and slide caliper rule cooperation to the spanner of different distances to adopt the mode of edgewise complex, the cooperation is simple and convenient.

The one end of third retaining member 150 still is provided with spacing arch 152 that restriction gasket 151 removed, spacing arch 152 can adopt bolted connection to fix the one end at third retaining member 150, the tip at third retaining member 150 is established to gasket 151 cover, the tip of third retaining member 150 can be formed with the cylinder boss, it is spacing to a direction of gasket 151, be provided with the screw thread on the cylinder boss, spacing arch 152 can be through screw thread and cylinder boss screw-thread fit, fix gasket 151 on third retaining member 150 from this, make gasket 151 unable removal, can make the stable transmission power of gasket 151.

The third locking member 150 is provided with external threads matched with the second locking member 140, the other end of the third locking member 150 is provided with external threads with a certain length, a threaded hole is formed at the end part of the second locking member 140, the other end of the third locking member 150 is matched with the threaded hole formed by the second locking member 140, the third locking member 150 and the second locking member 140 can move relatively when the third locking member 150 is rotated, so that the included angle between the first wrench 110 and the second wrench 120 is reduced or increased, the purpose of labor saving is achieved, meanwhile, the bolt is matched in a rotating mode, the space is utilized in a limited space, the force application distance is increased, and the mode of rotating the third locking member 150 is adopted, so that the applicability of the wrench assembly 100 disclosed by the invention is improved.

At least part structure of second retaining member 140 is the arc structure, the other end of third retaining member 150 wears to establish second retaining member 140 and arranges the space that the arc structure encloses in, guarantee that second retaining member 140 can satisfy the condition of intensity demand and provide pivoted space for rotatory third retaining member 150, third retaining member 150 needs the staff to go to its application of force, people's hand can occupy certain space during the operation, adopt the space that the convex structure can increase the application of force, can also increase the length of handle for the arc with the part structure of second fastener and further improve laborsaving range.

Wrench assembly 100 still includes helping hand handle 180, helping hand handle 180 sets up on the other end of third retaining member 150 and arranges in the space that the arc structure encloses, make third retaining member 150 rotate through rotatory helping hand handle 180, it can be further laborsaving to set up helping hand handle 180, the length that increases helping hand handle 180 can the lifting moment, that is to say can be more light rotate third retaining member 150, helping hand handle 180 can rotate in the arc space that second retaining member 140 formed, increase wrench assembly 100's application range.

The power-assisted handle 180 is detachably arranged at the other end of the third locking member 150, a hole is formed in the other end of the third locking member 150, the power-assisted handle 180 can be inserted into the hole, after the power-assisted handle 180 rotates for a certain angle, a user can enable the power-assisted handle 180 to penetrate through the hole to apply force to the other end of the power-assisted handle 180, the third locking member 150 can conveniently rotate, the power-assisted handle 180 can also be fixed at the other end of the third locking member 150 in the middle, and the user can enable the power-assisted handle 180 to rotate continuously through two hands.

First retaining member 130 is provided with first couple 160, be provided with the first mounting hole with first couple 160 complex on the first spanner 110, be provided with second couple 170 on the second retaining member 140, be provided with the second mounting hole with second couple 170 complex on the second spanner 120, first retaining member 130 hangs through first couple 160 and establishes on first mounting hole, the mounting hole setting on first spanner 110 is on the tip of first spanner 110, be connected first spanner 110 and first retaining member 130 through the couple, second retaining member 140 hangs through second couple 170 and establishes on the second mounting hole, the mounting hole setting on second spanner 120 is on the tip of second spanner 120, be connected second spanner 120 and second retaining member 140 through the couple.

First hook 160 engages the first mounting hole and second hook 170 engages the second mounting hole to couple first wrench 110 to first locking member 130 and second wrench 120 to second locking member 140.

The first hook 160 can be fixed on the first locking member 130 through a bearing, the second hook 170 can be fixed on the second locking member 140 through a bearing, the bearings can prevent the first hook 160 and the second hook 170 from rotating during operation, and the first hook 160 and the second hook 170 cannot influence the rotation of the first locking member 130 and the second locking member 140. .

The wrench assembly 100 according to the present invention has the advantages of wide application range, small working range, and especially labor saving.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," 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 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 (4)

1. A wrench assembly, comprising:

a first wrench, one end of the first wrench being adapted to fit over the nut;

a second wrench, one end of the second wrench being adapted to fit over a bolt;

a first locking member rotatably provided on one of the other end of the first wrench and the other end of the second wrench;

a second locker rotatably provided on the other of the other end of the first wrench and the other end of the second wrench; and

a third locking member, one end of which is detachably arranged on the first locking member, wherein the third locking member is in threaded fit with the second locking member so as to drive the first wrench or the second wrench to rotate when the third locking member or the second locking member is rotated; a plurality of spaced-apart latch teeth are arranged on the first locking piece, and a gasket matched with the latch teeth is arranged at one end of the third locking piece; one end of the third locking piece is also provided with a limiting bulge for limiting the movement of the gasket;

at least part of the second locking piece is constructed into an arc-shaped structure, and the other end of the third locking piece penetrates through the second locking piece and is arranged in a space surrounded by the arc-shaped structure;

the power-assisted handle is arranged at the other end of the third locking piece and is arranged in a space enclosed by the arc-shaped structure;

the power-assisted handle is detachably arranged at the other end of the third locking piece.

2. The wrench assembly according to claim 1, wherein the third retaining member is provided with external threads thereon for mating with the second retaining member.

3. The wrench assembly according to claim 1, wherein the first locking member is provided with a first hook, and the first wrench is provided with a first mounting hole for engaging with the first hook;

and a second hook is arranged on the second locking part, and a second mounting hole matched with the second hook is arranged on the second wrench.

4. The wrench assembly according to claim 3, wherein said first hook is secured to said first retaining member by a bearing and said second hook is secured to said second retaining member by a bearing.

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