CN220839929U - Ratchet wrench - Google Patents

Abstract

The application provides a ratchet wrench which comprises a holding piece, a detachable ratchet head, a connecting rod and a fixing piece, wherein the connecting rod is movably connected with the holding piece and the fixing piece respectively, one surface of the fixing piece, which is away from the connecting rod, is provided with a groove, the detachable ratchet head is arranged in the groove, the holding piece is used for driving the connecting rod to rotate so as to drive the fixing piece to rotate, and the fixing piece rotates so as to drive the detachable ratchet head to screw up or screw down, so that a fastener can be screwed up or unscrewed in a narrower assembly space or an assembly space with a shielding object above the fastener.

Description

Ratchet wrench

Technical Field

The application relates to the technical field of wrenches, in particular to a ratchet wrench.

Background

Ratchet wrenches are used in a wide variety of applications in the field of fastening operations, such as securing fasteners such as bolts or screws to equipment or removing bolts or screws from equipment, and are often used. However, some devices have a relatively narrow assembly space, and conventional ratchet wrenches have a ratchet head that is generally not detachable from the handle and has a limited length, resulting in an inability to tighten or loosen deep within the relatively narrow assembly space.

Disclosure of utility model

In view of this, the present application provides a ratchet wrench so that fasteners can be tightened or loosened in a narrow assembly space.

The application provides a ratchet wrench which comprises a holding piece, a detachable ratchet head, a connecting rod and a fixing piece, wherein the connecting rod is respectively and movably connected with the holding piece and the fixing piece, one surface of the fixing piece, which is away from the connecting rod, is provided with a groove, the detachable ratchet head is arranged in the groove, the holding piece is used for driving the connecting rod to rotate so as to drive the fixing piece to rotate, and the fixing piece rotates so as to drive the detachable ratchet head to screw or unscrew.

In some embodiments, the detachable ratchet head has a securing hole for the exterior of the fastener, the inner wall of the securing hole being provided with ratchet teeth.

In some embodiments, one of the exterior of the detachable ratchet head and the interior of the recess is provided with a securing block, and the other of the exterior of the detachable ratchet head and the interior of the recess is provided with a recess that mates with the securing block.

In some embodiments, the fixture further has a magnet disposed within the recess for attracting the removable ratchet head.

In some embodiments, the fastener includes a body having oppositely disposed first and second body ends, the connecting rod includes a main rod having oppositely disposed first and second main rod ends, one of the first body end and the first main rod end is provided with a first party falcon, and the other of the first body end and the first main rod end of the fastener is provided with a first clamping groove mated with the first party falcon.

In some embodiments, the connecting rod is connected to the grip member by a switch.

In some embodiments, the second main rod end is provided with a second square falcon connected with the second main rod end, the conversion piece is provided with a first conversion end and a second conversion end which are oppositely arranged, and the first conversion end is provided with a second clamping groove matched with the second square falcon.

In some embodiments, the second main rod end is provided with a second clamping groove, the conversion member is provided with a first conversion end and a second conversion end which are oppositely arranged, and the first conversion end is provided with a second square falcon matched with the second clamping groove.

In some embodiments, the second conversion end is provided with a third clamping groove, the holding piece comprises a first holding end and a second holding end which are oppositely arranged, and a third party falcon matched with the third clamping groove is arranged on one surface of the second holding end close to the conversion piece.

In some embodiments, at least one of the exterior of the second square falcon and the exterior of the third party falcon is provided with a securing ball, and the other of the at least one of the second clamping groove and the third clamping groove is provided with a receiving groove that mates with the securing ball.

The application provides a ratchet wrench which comprises a holding piece, a detachable ratchet head, a connecting rod and a fixing piece, wherein the connecting rod is respectively and movably connected with the holding piece and the fixing piece, one surface of the fixing piece, which is away from the connecting rod, is provided with a groove, the detachable ratchet head is arranged in the groove, the holding piece is used for driving the connecting rod to rotate so as to drive the fixing piece to rotate, and the fixing piece rotates so as to drive the detachable ratchet head to screw or unscrew a fastener. In the application, the ratchet wrench is composed of the holding piece, the detachable ratchet head, the connecting rod and the fixing piece, and the connection among the holding piece, the detachable ratchet head, the connecting rod and the fixing piece is set to be detachable connection, so that when the holding piece, the detachable ratchet head, the connecting rod and the fixing piece meet a condition that the assembly space is narrow or a shielding object is arranged above the fastening piece, the connecting rod can be replaced, and the ratchet wrench can penetrate into the narrow or the shielding object assembly space is arranged above the fastening piece to screw or unscrew the fastening piece.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a ratchet wrench according to the present application;

FIG. 2 is a schematic view of a first exploded construction of the ratchet wrench of the present application;

FIG. 3 is a schematic view of a second exploded construction of the ratchet wrench of the present application;

FIG. 4 is a schematic view of a removable ratchet head in a ratchet wrench according to the present application;

fig. 5 is a schematic view of a state structure of the ratchet wrench working in the equipment.

Reference numerals:

10. A ratchet wrench; 100. a detachable ratchet head; 110. a fixing hole; 111. ratchet teeth; 120. a fixed block; 200. a fixing member; 210. a groove; 211. a recessed portion; 212. a magnetic block; 220. a first party falcon; 300. a connecting rod; 310. a first clamping groove; 320. a second square falcon; 400. a grip; 410. a third party falcon; 411. fixing the ball; 500. a conversion member; 510. a second clamping groove; 520. and a third clamping groove.

Detailed Description

The following description of the embodiments of the present application will be made in detail and with reference to the accompanying drawings, wherein it is apparent that the embodiments described are only some, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to fall within the scope of the application. The various embodiments described below and their technical features can be combined with each other without conflict.

The application provides a ratchet wrench which comprises a holding piece, a detachable ratchet head, a connecting rod and a fixing piece, wherein the connecting rod is movably connected with the holding piece and the fixing piece respectively, one surface of the fixing piece, which is away from the connecting rod, is provided with a groove, the detachable ratchet head is arranged in the groove, the detachable ratchet head is provided with a fixing hole, the fixing hole is arranged outside a fastening piece, the holding piece is used for driving the connecting rod to rotate so as to drive the fixing piece to rotate, and the fixing piece is rotated so as to drive the detachable ratchet head to screw or unscrew the fastening piece.

According to the application, the ratchet wrench is composed of the holding piece, the detachable ratchet head, the connecting rod and the fixing piece, and the connection among the holding piece, the detachable ratchet head, the connecting rod and the fixing piece is set to be detachable connection, so that when the assembling space is narrow or a shielding object is arranged above the fastening piece, the connecting rod can be replaced, and the ratchet wrench can go deep into the narrow or shielding object assembling space above the fastening piece to carry out fastening or loosening operation of the fastening piece, thereby improving the tightening operation efficiency and shortening the production period of equipment.

Referring to fig. 1 to 5, fig. 1 is a schematic perspective view of a ratchet wrench according to the present application; FIG. 2 is a schematic view of a first exploded construction of the ratchet wrench of the present application; FIG. 3 is a schematic view of a second exploded construction of the ratchet wrench of the present application; FIG. 4 is a schematic view of a removable ratchet head in a ratchet wrench according to the present application; fig. 5 is a schematic view of a state structure of the ratchet wrench working in the equipment. The present application provides a ratchet wrench 10, the ratchet wrench 10 includes a detachable ratchet head 100, a fixing member 200, a connecting rod 300, a holding member 400, and a conversion member 500.

The connecting rod 300 is movably connected with the holding piece 400 and the fixing piece 200 respectively, one surface of the fixing piece 200, which is away from the connecting rod 300, is provided with a groove 210, and the detachable ratchet head 100 is arranged in the groove 210. Specifically, the detachable ratchet head 100 is made of ferromagnetic material, such as at least one of metals including iron, nickel, cobalt, etc., the detachable ratchet head 100 has a fixing hole 110, the fixing hole 110 is disposed at the outside of the fastener, and the inner wall of the fixing hole 110 is provided with ratchet teeth 111 for clamping the outside of the fastener; the detachable ratchet head 100 is provided externally with a fixed block 120. The fixing piece 200 is used for fixing the detachable ratchet head 100, the fixing piece 200 comprises a body and first side falcons 220, the body is provided with a first body end and a second body end which are oppositely arranged, the first body end is provided with a groove 210, the second body end is provided with the first side falcons 220, the inner wall of the groove 210 is provided with concave parts 211 which are clamped with the fixing blocks 120, the fixing blocks 120 are provided with 3, each fixing block 120 is clamped with one concave part 211, and optionally, the number of the fixing blocks 120 can be 2, 5 or 7. The groove 210 is provided with a magnet 212 for adsorbing the detachable ratchet head 100 on the groove wall near the connecting rod 300, that is, the bottom of the groove 210 is provided with the magnet 212, and a receiving hole penetrating through the fixing member 200 can be provided at the bottom of the groove 210 to embed the magnet 212 into the receiving hole.

Then, the connecting rod 300 and the grip 400 are connected by the switching member 500. Specifically, the conversion member 500 is used for connecting the connecting rod 300 with the holding member 400, the connecting rod 300 includes a main rod and a second square falcon 320, the main rod has a first main rod end and a second main rod end which are oppositely arranged, the first main rod end is provided with a clamping block connected with the first main rod end, one surface of the clamping block, which is close to the first square falcon 220, is provided with a first clamping groove 310, the first square falcon 220 is clamped with the first clamping groove 310, the first square falcon 220 and the first clamping groove 310 are used for forming detachable connection between the fixing member 200 and the connecting rod 300, and the second main rod end is provided with a second square falcon 320 connected with the second main rod end. The conversion piece 500 has a first conversion end and a second conversion end that set up relatively, and the first conversion end of conversion piece 500 is provided with second draw-in groove 510, and the second square falcon 320 is blocked with second draw-in groove 510 to make and form detachable connection between conversion piece 500 and connecting rod 300, the second conversion end of conversion piece 500 sets up third draw-in groove 520, and the inner wall of third draw-in groove 520 is provided with the holding tank.

Next, the holding member 400 includes a first holding end and a second holding end which are disposed opposite to each other, a third party falcon 410 is disposed on a surface of the second holding end, which is close to the conversion member, the third party falcon 410 is engaged with the third clamping groove 520, the length of the first holding end of the holding member 400 is longer than that of the second holding end, the first holding end of the holding member 400 is used for holding a person, and further, a fixing ball 411 is disposed outside the third party falcon 410, and the fixing ball 411 is engaged with the accommodating groove.

The working principle of the ratchet wrench 10 provided by the application is as follows: the driving of the rotation of the grip 400 drives the rotation of the connecting rod 300 back to rotate to drive the rotation of the fixing member 200, and the rotation of the fixing member 200 drives the detachable ratchet head 100 to tighten or loosen the fastener.

In another embodiment, the fixing block 120 is disposed in the groove 210, and the recess 211 matched with the fixing block 120 is disposed on the outer portion of the detachable ratchet head 100.

In another embodiment, the first main rod end of the connecting rod 300 is provided with a first falcon 220, and the second body end of the fixing member 200 is provided with a first clamping groove 310 matched with the first falcon 220.

In another embodiment, the second main rod end of the connecting rod 300 is provided with a second clamping groove 510, and the first conversion end of the conversion member 500 is provided with a second square falcon 320 matched with the second clamping groove 510.

The existing ratchet wrench is characterized in that the ratchet head is generally in non-detachable connection with the holding piece, the length of the ratchet head is limited, when the fastening piece is fixed on equipment, the ratchet wrench cannot be deeply screwed or unscrewed due to a shielding object arranged above the fastening piece or a narrow assembly space, so that the screwing or unscrewing operation efficiency of the fastening piece is poor, and the production of the equipment is not facilitated. In the application, the ratchet wrench 10 is formed by the holding piece 400, the detachable ratchet head 100, the connecting rod 300 and the fixing piece 200, and the connection among the holding piece 400, the detachable ratchet head 100, the connecting rod 300 and the fixing piece 200 is set to be detachable connection, so that when the assembling space is narrow or a shielding object is arranged above a fastening piece, the connecting rod 300 can be replaced, and the ratchet wrench 10 can go deep into the assembling space to carry out the fastening piece screwing or unscrewing operation, thereby improving the tightness operation efficiency and shortening the production period of equipment; meanwhile, since the ratchet wrench 10 is composed of the holding member 400, the detachable ratchet head 100, the connecting rod 300 and the fixing member 200, the ratchet wrench 10 is suitable for various assembly environments, the high cost caused by the customized ratchet wrench 10 is reduced, and the quality problem caused by limited operation is reduced.

In the present application, by setting the connection between the detachable ratchet head 100 and the fixing member 200 to be detachable connection, it is possible to improve the flexibility of the operation by changing the detachable ratchet head 100 to fit different specifications of fasteners.

In the present application, the stability of the detachable ratchet head 100 when clamping the fastener is improved by providing the ratchet teeth 111 for clamping the outside of the fastener on the inner wall of the fixing hole 110, so that the slip is prevented when the tightening or loosening operation is performed, and thus the tightening or loosening operation efficiency is improved.

In the present application, the recess 211 engaged with the fixing block 120 is provided on the inner wall of the groove 210, so that the detachable ratchet head 100 and the fixing member 200 are detachably connected, and the sliding condition during the tightening or loosening operation is avoided, thereby improving the tightening or loosening operation efficiency.

In the present application, the magnetic block 212 for adsorbing the detachable ratchet head 100 is disposed on the groove wall of the groove 210 near the connecting rod 300, so as to avoid the risk of dropping the detachable ratchet head 100 during the screwing or unscrewing operation, and further affect the screwing or unscrewing operation efficiency.

In the present application, the fixing member 200 and the connecting rod 300 are connected to the first clamping groove 310 through the first falcon 220, and the first falcon 220 and the first clamping groove 310 are square and straight, so that the fixing member 200 and the connecting rod 300 can be conveniently detached, and meanwhile, the risk of mutual sliding between the fixing member 200 and the connecting rod 300 during screwing or unscrewing operation is reduced, and further the screwing or unscrewing operation efficiency is affected.

In the present application, the conversion member 500 and the connecting rod 300 are detachably connected with the second clamping groove 510 through the second square falcon 320, and the second square falcon 320 and the second clamping groove 510 are square and straight, so that the conversion member 500 and the connecting rod 300 can be conveniently detached, and meanwhile, the risk of mutual sliding between the conversion member 500 and the connecting rod 300 during screwing or unscrewing operation is reduced, so that the screwing or unscrewing operation efficiency is affected.

In the present application, the conversion member 500 and the holding member 400 are detachably connected to each other by the third party's tenon 410 and the third clamping groove 520, and the third party's tenon 410 and the third clamping groove 520 are square and straight, so that the conversion member 500 and the holding member 400 can be conveniently detached from each other, and meanwhile, the risk of mutual sliding between the conversion member 500 and the holding member 400 during screwing or unscrewing operation is reduced, and thus the screwing or unscrewing operation efficiency is affected.

In the present application, the fixing balls 411 engaged with the receiving grooves are provided at the outside of the third party's falcon 410, so as to facilitate the disassembly between the conversion member 500 and the holding member 400, and at the same time, to reduce the risk of sliding between the conversion member 500 and the holding member 400 during the tightening or loosening operation, thereby affecting the tightening or loosening operation efficiency.

In the present application, the length of the first grip end of the grip 400 is set to be longer than the length of the second grip end, so that the person can more save effort when holding the first grip end for work.

In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The foregoing embodiments of the present application are not limited to the above embodiments, but are intended to be included within the scope of the present application as defined by the appended claims and their equivalents.

Claims (10)

1. The utility model provides a ratchet spanner, its characterized in that includes holding piece, can dismantle ratchet head, connecting rod and mounting, the connecting rod respectively with hold the piece and mounting swing joint, the mounting deviates from the one side of connecting rod has the recess, can dismantle ratchet head set up in the recess, hold the piece and be used for the drive the connecting rod rotates in order to drive the mounting rotates, the rotation of mounting is in order to drive can dismantle ratchet head screw up or unscrew.

2. The ratchet wrench of claim 1, wherein the detachable ratchet head has a securing hole for an exterior of a fastener, an inner wall of the securing hole being provided with ratchet teeth.

3. The ratchet wrench of claim 1, wherein one of the exterior of the removable ratchet head and the interior of the recess is provided with a fixed block and the other of the exterior of the removable ratchet head and the interior of the recess is provided with a recess that mates with the fixed block.

4. The ratchet wrench of claim 1, wherein the securing member further has a magnet disposed within the recess for attracting the removable ratchet head.

5. The ratchet wrench of claim 4, wherein the securing member comprises a body having oppositely disposed first and second body ends, the connecting rod comprises a main rod having oppositely disposed first and second main rod ends, one of the first body and first main rod ends is provided with a first party's tongue, and the other of the first body and first main rod ends of the securing member is provided with a first clamping groove that mates with the first party's tongue.

6. The ratchet wrench of claim 5, wherein the connecting rod is connected to the grip member via a transition member.

7. The ratchet wrench of claim 6, wherein the second main bar end is provided with a second square falcon connected thereto, the conversion member having oppositely disposed first and second conversion ends, the first conversion end being provided with a second clamping groove cooperating with the second square falcon.

8. The ratchet wrench of claim 6, wherein the second main bar end is provided with a second clamping groove, the conversion member has a first conversion end and a second conversion end disposed opposite each other, and the first conversion end is provided with a second square falcon mated with the second clamping groove.

9. The ratchet wrench of claim 7, wherein the second conversion end is provided with a third clamping groove, the holding member comprises a first holding end and a second holding end which are oppositely arranged, and a third party falcon matched with the third clamping groove is arranged on one surface of the second holding end close to the conversion member.

10. The ratchet wrench of claim 9, wherein at least one of an exterior of the second square falcon and an exterior of the third square falcon is provided with a securing ball, and the other of at least one of the second slot and the third slot is provided with a receiving slot that mates with the securing ball.