Foldable portable electric wrench

Abstract

The utility model discloses a foldable portable electric wrench which comprises a rotating machine, a handle, a battery, a starting trigger, a connecting column I, a locking mechanism and an extending mechanism, the handle is arranged at the bottom of the rotating machine, the battery is arranged at the bottom of the handle, the starting trigger is arranged on the handle, and the connecting column I is arranged on the rotating machine. The first connecting column is arranged at the left end of the rotating machine, the locking mechanism is arranged in the rotating machine and located on the right side of the first connecting column, and the extending mechanism is arranged on the left side of the rotating machine. According to the scheme, the applicability of the electric wrench is greatly improved, and the working efficiency is improved in some scenes.

Description

Technical Field

[0001] The utility model relates to the technical field of electric wrenches, in particular to a foldable and portable electric wrench. Background Art

[0002] An electric wrench is a battery-powered wrench used to tighten high-strength bolts. It's also called a high-strength bolt gun. They're primarily categorized as impact wrenches, shear wrenches, torque wrenches, angle wrenches, and angle wrenches. Electric wrenches are widely used and frequently employed in general industry.

[0003] Existing foldable portable electric wrenches cannot tighten or remove bolts or nuts in some small spaces or corners of narrow roads, and their applicability is generally poor.

[0004] For this, a solution is needed. Utility Model Content

[0005] (1) Technical problems solved

[0006] In view of the deficiencies in the prior art, the present invention provides a foldable portable electric wrench to solve the problems raised in the above background technology.

[0007] (2) Technical solution

[0008] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0009] A foldable portable electric wrench includes a turntable, a handle, a battery, a starting trigger, a first connecting post, a locking mechanism, and an extension mechanism. The handle is disposed at the bottom of the turntable, the battery is disposed at the bottom of the handle, the starting trigger is disposed on the handle, the first connecting post is disposed at the left end of the turntable, the locking mechanism is disposed inside the turntable and to the right of the first connecting post, and the extension mechanism is disposed on the left side of the turntable.

[0010] The extension mechanism includes a mounting column, a large bearing, a plurality of arc locks, a rotating cylinder, a column groove, a plurality of fixed blocks, a plurality of small bearings, a rotating column 1, a parasol gear 1, a crossing cylinder, a parasol gear 2, a rotating column 2 and a crossing cylinder 2. The large bearing is arranged on the right end side wall of the mounting column, and the plurality of arc locks are arranged oppositely at the front and rear ends of the large bearing. The rotating cylinder is arranged at the left end of the large bearing, the column groove is arranged inside the rotating cylinder and opens to the right, and the plurality of fixed blocks are evenly arranged oppositely at the upper and lower ends inside the mounting column. The small bearing is arranged between every two upper and lower opposite fixed blocks. The rotating column 1 is arranged at the left end of the rotating cylinder and extends to the left through the plurality of small bearings. The parasol gear 1 is arranged at the left end of the rotating column 1. The crossing cylinder is vertically arranged on the left end side wall of the front end face of the mounting column, the parasol gear 2 is arranged at the front end of the parasol gear 1, the rotating column 2 is arranged at the front end of the parasol gear 2, and the crossing cylinder 2 is arranged at the front end of the rotating column 2.

[0011] Preferably, the rotating cylinder and the inner ring of the large bearing are fixedly formed, the rotating cylinder and the rotating column are integrally formed, and the column groove is a hollow rectangular parallelepiped structure.

[0012] Preferably, the arc lock comprises an arc plate and a lock slot, the lock slot is arranged in the middle of the arc plate, and the lock slot of one of the two opposing arc locks faces upward and the lock slot of the other faces downward.

[0013] Preferably, the locking mechanism includes a locking ring and a plurality of locking grooves, and the plurality of locking grooves are arc-shaped structures and are respectively arranged in the up, down, left and right directions of the locking ring.

[0014] (3) Beneficial effects

[0015] The utility model provides a foldable portable electric wrench, which has the following beneficial effects:

[0016] 1. This solution designs an extension mechanism that can be used in narrow spaces and corners of narrow roads. By inserting the arc lock into the locking groove and rotating it, the lock groove and the locking ring can be stuck. By starting the turntable, the intersection column 1 drives the rotating cylinder, rotating column 1 and bevel gear 1 to rotate, thereby driving the bevel gear 2, rotating column 2 and intersection column 2 to rotate, and then the wrench subsequently inserted into the intersection column 2 is rotated to complete the tightening or removal of the target bolt or nut, greatly improving the applicability of the electric wrench and increasing work efficiency in some scenarios.

[0017] 2. At the same time, the arc lock can be inserted into the locking groove in different directions horizontally or vertically and rotated to tighten to achieve the four angles of up, down, left and right of the junction tube, so as to cope with bolts or nuts at various angles, further improving the applicability of the electric wrench. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of the extension mechanism of the utility model;

[0020] Figure 3 This is a schematic diagram of the external structure of the extension mechanism of the utility model;

[0021] Figure 4 This is a schematic diagram of the arc lock structure of the utility model;

[0022] Figure 5 This is a schematic diagram of the locking mechanism structure of the utility model.

[0023] In the figure, 1-turntable; 2-handle; 3-battery; 4-starting trigger; 5-connecting column one; 6-locking mechanism; 61-locking ring; 62-several locking grooves; 7-extension mechanism; 71-mounting column; 72-large bearing; 73-several arc locks; 731-arc plate; 732-locking groove; 74-rotating cylinder; 75-column groove; 76-several fixing blocks; 77-several small bearings; 78-rotating column one; 79-umbrella gear one; 710-connecting cylinder; 711-umbrella gear two; 712-rotating column two; 713-connecting column two. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 1-5 The embodiment of the utility model provides a technical solution to achieve this: it includes a turntable 1, a handle 2, a battery 3, a starting trigger 4, a connecting column 5, a locking mechanism 6 and an extending mechanism 7. The handle 2 is arranged at the bottom of the turntable 1, the battery 3 is arranged at the bottom of the handle 2, the starting trigger 4 is arranged on the handle 2, the connecting column 5 is arranged at the left end of the turntable 1, the locking mechanism 6 is arranged inside the turntable 1 and is located to the right of the connecting column 5, and the extending mechanism 7 is arranged on the left side of the turntable 1.

[0026] The core, the extension mechanism 7 includes a mounting column 71, a large bearing 72, a plurality of arc locks 73, a rotating cylinder 74, a column slot 75, a plurality of fixed blocks 76, a plurality of small bearings 77, a rotating column 1 78, a bevel gear 1 79, a connecting cylinder 710, a bevel gear 2 711, a rotating column 2 712 and a connecting column 2 713. The large bearing 72 is arranged on the right end side wall of the mounting column 71, and a plurality of arc locks 73 are arranged oppositely at the front and rear ends of the large bearing 72. The rotating cylinder 74 is arranged at the left end of the large bearing 72. The column slot 75 is arranged inside the rotating cylinder 74 and the opening faces right. A plurality of fixed blocks 76 are evenly opposed to each other at the upper and lower ends inside the mounting column 71, a small bearing 77 is arranged between every two upper and lower opposed fixed blocks 76, a rotating column 1 78 is arranged at the left end of the rotating cylinder 74 and extends to the left through a number of small bearings 77, a bevel gear 1 79 is arranged at the left end of the rotating column 1 78, a connecting cylinder 710 is vertically arranged on the left end side wall of the front end face of the mounting column 71, a bevel gear 2 711 is arranged at the front end of the bevel gear 1 79, a rotating column 2 712 is arranged at the front end of the bevel gear 2 711, and a connecting column 2 713 is arranged at the front end of the rotating column 2 712.

[0027] Specifically, the rotating cylinder 74 is fixed to the inner ring of the large bearing 72, and the rotating cylinder 74 and the rotating column 78 are integrally formed. The column slot 75 is a hollow rectangular parallelepiped structure. The arc lock 73 includes an arc plate 731 and a locking slot 732. The locking slot 732 is located in the middle of the arc plate 731. The locking slot 732 of one of the two opposing arc locks 73 faces upward, while the other lock slot 732 faces downward.

[0028] The locking mechanism 6 includes a locking ring 61 and a plurality of locking grooves 62 . The plurality of locking grooves 62 are arc-shaped and are respectively arranged in the up, down, left, and right directions of the locking ring 61 .

[0029] This solution designs an extension mechanism 7 that can be used in small spaces and narrow road corners. By inserting the arc lock 73 into the locking groove 62 and rotating it, the locking groove 732 and the locking ring 61 can be locked. By starting the turntable 1, the intersection column 1 5 drives the rotating cylinder 74, rotating cylinder 1 78 and umbrella gear 1 79 to rotate, thereby driving the umbrella gear 2 711, rotating cylinder 2 712 and intersection column 2 713 to rotate, and then the wrench subsequently inserted into the intersection column 2 713 can be rotated to complete the tightening or removal of the target bolt or nut, greatly improving the applicability of the electric wrench and increasing work efficiency in some scenarios. At the same time, the arc lock 73 can be inserted horizontally or vertically into the locking groove 62 in different directions and rotated to tighten it to achieve the four angles of up, down, left and right of the intersection cylinder 710, thereby being able to handle bolts or nuts at various angles, further improving the applicability of the electric wrench.

[0030] Working principle: When it is necessary to deal with bolts and nuts in narrow spaces and corners of narrow roads, first anticipate the required angle, then push the arc lock 73 into the locking groove 62 for rotation and fixation, and then press the start trigger 4 to make the turntable 1 work. The turntable 1 causes the intersection column 1 5 to drive the rotating cylinder 74, the rotating column 1 78 and the bevel gear 1 79 to rotate, thereby driving the bevel gear 2 711, the rotating column 2 712 and the intersection column 2 713 to rotate, and then the wrench subsequently inserted into the intersection column 2 713 is rotated to complete the tightening or removal of the target bolt or nut.

[0031] The utility model comprises: 1-turning machine; 2-handle; 3-battery; 4-starting trigger; 5-interchange column one; 6-locking mechanism; 61-locking ring; 62-several locking grooves; 7-extension mechanism; 71-mounting column; 72-large bearing; 73-several arc locks; 731-arc plate; 732-locking groove; 74-rotating cylinder; 75-column groove; 76-several fixing blocks; 77-several small bearings; 78-rotating column one; 79-umbrella gear one; 710-interchange cylinder; 711-umbrella gear two; 712-rotating column two; 713-interchange column two. These components are all universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods. The problem solved by the utility model is that the existing foldable portable electric wrench cannot tighten or remove bolts or nuts in some narrow spaces or corners of narrow roads, and has general applicability. The utility model greatly improves the applicability of the electric wrench and increases work efficiency in some scenarios.

[0032] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, from all perspectives, the embodiments should be regarded as illustrative and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and range of equivalents of the claims be included in the present invention. Any reference signs in the claims should not be construed as limiting the claim to which they relate.

[0033] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A foldable portable electric wrench, characterized by: The invention comprises a turntable (1), a handle (2), a battery (3), a starting trigger (4), a connecting column (5), a locking mechanism (6) and an extending mechanism (7), wherein the handle (2) is arranged at the bottom of the turntable (1), the battery (3) is arranged at the bottom of the handle (2), the starting trigger (4) is arranged on the handle (2), the connecting column (5) is arranged at the left end of the turntable (1), the locking mechanism (6) is arranged inside the turntable (1) and is located to the right of the connecting column (5), and the extending mechanism (7) is arranged to the left of the turntable (1); The extension mechanism (7) comprises a mounting post (71), a large bearing (72), a plurality of arc locks (73), a rotating cylinder (74), a column slot (75), a plurality of fixed blocks (76), a plurality of small bearings (77), a rotating column (78), a parapet gear (79), a connecting cylinder (710), a parapet gear (711), a rotating column (712) and a connecting cylinder (713), wherein the large bearing (72) is arranged on the right end side wall of the mounting post (71), a plurality of the arc locks (73) are arranged oppositely at the front and rear ends of the large bearing (72), the rotating cylinder (74) is arranged at the left end of the large bearing (72), the column slot (75) is arranged inside the rotating cylinder (74) and opens to the right, and a plurality of the fixed blocks (76) are arranged inside the rotating cylinder (74) and open to the right. ) are evenly opposed at the upper and lower ends inside the mounting column (71), the small bearing (77) is arranged between each two upper and lower opposed fixed blocks (76), the rotating column one (78) is arranged at the left end of the rotating cylinder (74) and extends to the left through a number of the small bearings (77), the umbrella gear one (79) is arranged at the left end of the rotating column one (78), the connecting cylinder (710) is vertically arranged on the left end side wall of the front end face of the mounting column (71), the umbrella gear two (711) is arranged at the front end of the umbrella gear one (79), the rotating column two (712) is arranged at the front end of the umbrella gear two (711), and the connecting column two (713) is arranged at the front end of the rotating column two (712).

2. A foldable portable electric wrench according to claim 1, characterized in that: The rotating cylinder (74) and the inner ring of the large bearing (72) are fixedly formed, the rotating cylinder (74) and the rotating column (78) are integrally formed, and the column groove (75) is a hollow rectangular parallelepiped structure.

3. The foldable portable electric wrench according to claim 1, characterized in that: The arc lock (73) comprises an arc plate (731) and a lock slot (732), wherein the lock slot (732) is arranged in the middle of the arc plate (731), and the lock slot (732) of one of the two opposing arc locks (73) faces upward and the other lock slot (732) faces downward.

4. The foldable portable electric wrench according to claim 1, characterized in that: The locking mechanism (6) comprises a locking ring (61) and a plurality of locking grooves (62). The plurality of locking grooves (62) are arc-shaped structures and are respectively arranged in the upper, lower, left and right directions of the locking ring (61).

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