TWI625199B - Universal wrench - Google Patents

Abstract

A universal wrench includes: a body including a fixed crotch portion and a handle portion, the fixed crotch portion connecting the handle portion, the handle portion being held by a user; and a movable beak pivotally connected thereto Fixing the crotch portion and including a clamping portion and at least one ratchet portion, the clamping portion and the ratchet portion respectively located at opposite ends of the movable jaw, the clamping portion being pivotable relative to the body with the movable jaw Close to or away from the fixed jaw, the fixed jaw and the movable jaw can jointly hold the object, the ratchet has a plurality of slots; a latching group pivotally connecting the handle and including a latch And the latch member is selectively latched to any of the slots of the ratchet portion as the latch stack pivots relative to the body.

Description

Universal wrench

The invention discloses a universal wrench, in particular to a universal wrench with a cassette group.

Refer to the universal wrench of Chinese Patent No. 2670059Y, which comprises: a handle, a static clamp, and a static clamp located at one end of the handle, having a lock-and-discharge surface, a movable clamp, connected to one end of the handle, and quietly Corresponding to the clip, there is a throat region which can be accommodated in the locked and unloaded member, the throat region has a plurality of domain walls, and the locking and dismounting surface is a circular arc segment, and the surface of the circular arc segment forms a rugged rack-like shape The movable jaw is hinged to the handle, and the throat of the throat region corresponds to the static clamp; the domain wall of the throat region forms a working surface that is in contact with the object to be unloaded, and a working surface is formed therebetween Equal angles.

However, the movable clamp of the conventional universal wrench is freely pivoted relative to the static clamp, so that the user cannot easily fix the relative position of the movable clamp and the static clamp, and cannot be stably clamped and locked. Things, not convenient.

In view of the above problems of the prior art, which cannot be effectively solved and overcome, the present applicant has filed this patent application to solve the aforementioned problems.

The technical problem to be solved by the present invention is that the movable clamp of the conventional universal wrench is freely pivoted relative to the static clamp so that the user cannot easily fix the movable clamp and the static clamp. It is not convenient to hold the locked object in a stable position.

The universal wrench of the present invention comprises: a body comprising a fixed crotch portion and a handle portion, the fixed crotch portion connecting the handle portion, the handle portion being held by a user; and a movable beak, which is pivoted The fixing jaw includes a clamping portion and at least one ratchet portion, the clamping portion and the ratchet portion are respectively located at opposite ends of the movable jaw, and the clamping portion can be relative to the body pivot with the movable jaw Swinging close to or away from the fixed jaw, the fixed jaw and the movable jaw can hold the object together, the ratchet has a plurality of slots; a latching group pivotally connecting the handle and including a card The latch member selectively latches against any of the slots of the ratchet portion as the latch pack pivots relative to the body.

When the latching group pivots toward the movable jaw, the latching member is engaged with any of the slots of the ratchet portion such that the movable jaw is positioned at a relative position with the body. When the cassette group is pivoted away from the movable jaw, the latch member is remote from the ratchet portion, and the movable jaw is free to pivot relative to the body. The user can press the cassette group such that the movable jaw pivots relative to the body to selectively latch the latch member to any position of the ratchet portion, and the user can follow the object to be clamped. The size of the movable jaw and the fixed jaw are adjusted in size, and the universal wrench is used to hold the object for convenience.

Other objects, advantages and novel features of the invention will become apparent from the description and appended claims.

With regard to the techniques, means, and efficiencies of the present invention, the preferred embodiments and the detailed description of the present invention are intended to be illustrative only, and are not limited by the structure in the patent application.

Refer to Figures 1 to 3. The universal wrench of the present invention comprises: a body 10, a movable cymbal 20 and a cassette group 30, the movable cymbal 20 is pivotally connected to the body 10, and the cassette group 30 is pivotally connected to the body 10 and is selectively The activity cassette 20, when the cassette group 30 latches the activity cassette 20, the activity cassette 20 is positioned at a relative position with the body 10, and when the cassette group 30 is separated from the activity cassette 20, the The movable jaw 20 is free to pivot relative to the body 10.

The main body 10 includes a fixing portion 11 , a handle portion 12 , a first receiving groove 13 and a second receiving groove 14 . The fixing portion 11 is connected to the handle portion 12 . The object can be held together with the fixed jaw portion 11 , and the handle portion 12 can be gripped by the user. The first receiving recess 13 and the second receiving recess 14 are disposed on the second receiving recess 14 . The handle portion 12 is adjacent to one end of the fixed jaw portion 11. The second receiving recess 14 is located between the first receiving recess 13 and the fixed jaw portion 11. The fixed jaw portion 11 includes several clips. The teeth 111 are disposed on one side of the fixed jaw 11 facing the movable jaw 20 and arranged in an arc shape.

The movable jaw 20 pivotally connects the fixed jaw portion 11 and includes a clamping portion 21 and at least one ratchet portion 22, and the clamping portion 21 and the ratchet portion 22 are respectively located at opposite ends of the movable jaw 20, and the clamping portion The portion 21 can approach or move away from the fixed jaw 11 as the movable jaw 20 pivots relative to the body 10. The movable raft 20 further includes a first extending portion 23 and a second extending portion 24, and the first extending portion 23 and the second extending portion 24 are respectively connected to the nip portion 21 and separated by a distance, the fixed dam portion 11 Between the first extension portion 23 and the second extension portion 24, a pivot member A passes through the first extension portion 23, and the fixing jaw portion 11 is adjacent to one end of the handle portion 12 and the second extension portion 24, the number of the ratchet portions 22 is two, one of the two ratchet portions 22 is disposed at one end of the first extending portion 23 away from the clamping portion 21, and the other ratchet portion 22 is disposed at the first portion The second extension portion 24 is away from one end of the clamping portion 21.

The clamping portion 21 includes a clamping surface 211 and a clamping tooth surface 212. The clamping surface 211 and the clamping tooth surface 212 are disposed on a side of the clamping portion 21 facing the fixed jaw 11 . The clamping surface 211 is interconnected with the clamping tooth surface 212, and the clamping tooth 111 faces the clamping surface 211 and the clamping tooth surface 212. In this embodiment, the clamping surface 211 extends along a first virtual straight line L1, and the clamping tooth surface 212 extends along a second virtual straight line L2, the first virtual straight line L1 and the second virtual straight line L2. Intersecting at one point and being separated by an angle D, the angle D is 60 degrees. The ratchet portion 22 has a plurality of slots 221 which are arranged in an arc shape centered on the pivot member A.

The latching mechanism 30 pivotally connects the grip portion 12 and includes a latching member 31, a swinging member 32, a first elastic member 33 and a second elastic member 34, and the latching member 31 follows the latching member 30. The shank portion 221 is pivotally connected to the shank portion 221 of the ratchet portion 22, and the other side of the sash member 32 is pivotally connected to the shank portion 12 The first elastic member 33 is disposed between the handle portion 12 and the swinging member 32 and is received in the first receiving recess 13 . The second elastic member 34 is disposed on the grip portion 12 . And the second accommodating recess 14 is disposed between the latching member 31 and the second resilient member 33 elastically abuts the latching member 32. The second resilient member 34 elastically abuts the latching member 31. .

The cover member 32 includes a top portion 321 , a first side wall 322 and a second side wall 323 . The first side wall 322 and the second side wall 323 are respectively connected to the top portion 321 and separated by a distance. The latching member 31 and the handle The portion 12 is located between the first side wall 322 and the second side wall 323. The top portion 321 is adjacent to the latching member 31, and the first elastic member 33 is located between the first side wall 322 and the second side wall 323. The top portion 321 is elastically abutted. In this embodiment, the latching group 30 further includes a first pivot pin 35 and a second pivot pin 36. The first pivot pin 35 passes through the first sidewall 322, and the handle portion 12 is adjacent to the first pivot pin 35. The first side wall 322, the latching member 31 and the second side wall 323 are disposed through the first side wall 322 and the second side wall 323.

Refer to Figures 2 to 4. The universal wrench has a first position (Fig. 3) and a second position (Fig. 4). When the universal wrench is in the first position, the swinging member 32 is elastically abutted by the first elastic member 33 to drive the latching member 31 to be engaged with any of the slots 221 of the ratchet portion 22, so that the activity The crucible 20 is positioned in a relative position with the body 10. When the user presses the top 321 of the swinging member 32, the latching group 30 is pivoted away from the movable cymbal 20 with the first pivot pin 35 as an axis, and the first elastic member 33 is compressed, so that the universal wrench Transitioning from the first position to the second position. When the universal wrench is in the second position, the latching member 31 is away from the ratchet portion 22, and the movable jaw 20 can be freely pivoted relative to the body 10.

Refer to Figures 4 to 7. A screw lock B is a hexagonal bolt (or a hex nut) and has a first side B1, a second side B2 and a third side B3. The second side B2 is located at the first side B1 and the third side. The first side B1 and the second side B2 have a first angle B4, and the second side B2 and the third side B3 have a second angle B5. When the universal wrench clamps the screw member B (FIG. 5), the clamping surface 211 abuts against the first side B1, and the clamping tooth surface 212 abuts against the second side B2. The clamping tooth 111 abuts against a diagonal of the first angle B4, and the universal wrench is located at the first position. When the user drives the body 10 to swing clockwise (FIG. 6), the universal wrench is located at the first position, and the movable jaw 20 and the fixed jaw 11 clamp the screw member B to drive the screw member B. The hour hand rotates. When the user drives the body 10 to swing counterclockwise (FIG. 7), the body 10 pivots relative to the movable jaw 20 with the pivot member A as an axis, and the slot 221 of the movable jaw 20 pushes the latch member. 31, the latching member 31 pivots toward the grip portion 12 with the second pivot pin 36 as an axis to compress the second elastic member 34 to drive the fixed jaw portion 11 away from the first angle B4. The movable jaw 20 and the fixed jaw 11 release the screw member B to achieve an idling effect, and the user can move the movable jaw 20 to abut the clamping surface 211 against the second side B2. The tooth surface 212 abuts against the third side B3, and then oscillates the body 10 clockwise to drive the clamping teeth 111 of the fixing jaw 11 against the diagonal of the second angle B5, so that the movable jaw 20 and the The fixing jaws 11 collectively hold the screw member B.

In summary, the universal wrench of the present invention has the following advantages:

1. When the universal wrench is in the first position, the swinging member 32 is elastically abutted by the first elastic member 33 to drive the latching member 31 to be engaged with any of the slots 221 of the ratchet portion 22, so that The activity cassette 20 is positioned in a relative position with the body 10. When the user presses the top 321 of the swinging member 32, the latching group 30 is driven to pivot away from the movable jaw 20, and the first elastic member 33 is compressed, so that the universal wrench is changed from the first position to the second position. . When the universal wrench is in the second position, the latching member 31 is away from the ratchet portion 22, and the movable jaw 20 can be freely pivoted relative to the body 10. The user can press the top 321 of the swinging member 32 such that the movable jaw 20 pivots relative to the body 10 to selectively latch the latching member 31 to any position of the ratcheting portion 22, and the user can follow the desire The size of the screw member B is clamped to adjust the size between the movable jaw 20 and the fixed jaw portion 11, and the universal wrench is clamped to the screw member B for convenience.

2. When the user drives the body 10 to swing clockwise, the universal wrench is located at the first position, and the movable jaw 20 and the fixed jaw 11 clamp the screw member B to drive the screw member B to rotate clockwise. . When the user drives the body 10 to swing counterclockwise, the body 10 pivots relative to the movable jaw 20 with the pivot member A as an axis, and the slot 221 of the movable jaw 20 pushes the latching member 31 so that the The latching member 31 pivots toward the grip portion 12 with the second pivot pin 36 as an axis to compress the second elastic member 34 to drive the fixed jaw portion 11 away from the diagonal of the first corner B4. The cymbal 20 and the fixed jaw 11 release the screw B, and the idling effect is achieved. The user can move the movable cymbal 20 to abut the clamping surface 211 against the second side B2. By the third side B3, and then the body 10 is oscillated clockwise, the clamping teeth 111 of the fixing jaw 11 are driven against the diagonal of the second angle B5, so that the movable jaw 20 and the fixed jaw 11 The screw lock B is clamped together. The user can drive the body 10 to swing clockwise and counterclockwise to drive the universal wrench to drive the screw member B to rotate clockwise without disengaging the screw member B, which is convenient.

The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, so that the numerical value is changed or the equivalent element is replaced, or the equivalent of the scope of the patent application of the present invention. Changes and modifications are to be covered by the patents of the present invention.

10 body 11 fixing jaw 111 clamping tooth 12 grip portion 13 first receiving groove 14 second receiving groove 20 movable 颚 21 clamping portion 211 clamping surface 212 clamping tooth surface 22 ratchet portion 221 tooth Groove 23 first extension 24 second extension 30 cassette group 31 latch 32 swing 321 top 322 first side wall 323 second side wall 33 first elastic member 34 second elastic member 35 first pivot pin 36 Second pivot pin A Pivot member B Screw lock B1 First side B2 Second side B3 Third side B4 First angle B5 Second angle D Angle L1 First virtual straight line L2 Second virtual straight line

Figure 1 is a perspective view of the universal wrench of the present invention. Figure 2: An exploded perspective view taken from Figure 1. Figure 3 is a partially enlarged cross-sectional view taken from Figure 1 showing the universal wrench in a first position. Figure 4: is a continuation of Figure 3, showing the universal wrench in the second position. Figure 5: Schematic diagram of the use of the universal wrench of the present invention. Figure 6: A continuation of Figure 5 showing the body swinging clockwise in the direction of the arrow. Figure 7: A continuation of Figure 5 showing the body swinging counterclockwise in the direction of the arrow.

Claims (9)

A universal wrench includes: a body including a fixed crotch portion and a handle portion, the fixed crotch portion connecting the handle portion, the handle portion being held by a user; and a movable beak pivotally connected thereto The fixing portion includes a clamping portion, two ratchet portions, a first extending portion and a second extending portion, and the clamping portion and the two ratchet portions are respectively located at opposite ends of the movable jaw, the clamping portion Being capable of pivoting toward or away from the fixed jaw relative to the body, the fixed jaw and the movable jaw can collectively hold the object, the two ratchets having a plurality of slots, the first extension And the second extending portion is respectively connected to the clamping portion and separated by a distance, the fixing portion is located between the first extending portion and the second extending portion, a pivot member passes through the first extending portion, The fixing jaw is adjacent to one end of the grip portion and the second extending portion, and one of the two ratchet portions is disposed at one end of the first extending portion away from the clamping portion, and the other ratchet portion is disposed at the first portion The second extending portion is away from one end of the clamping portion; a latching group pivotally connecting the grip portion and including a Latch member, the engaging member engaging with the set of pivot relative to the body and selectively placed in any of the two engaging portions of a ratchet tooth gullet. The universal wrench of claim 1, wherein the cassette group comprises a pendulum member and a first elastic member, the side of the pendulum member is pivotally connected to the handle portion, and the other side of the pendulum member is connected to the card member. The first elastic member is disposed between the handle portion and the swing member and elastically abuts the swing member. The universal wrench of claim 2, wherein the latch member is pivotally connected to the swing member, the latch member includes a second elastic member, and the second elastic member is disposed on the grip portion and the latch member The card member is elastically held against each other. The universal wrench of claim 3, wherein the swinging member comprises a top portion, a first side wall and a second side wall, wherein the first side wall and the second side wall are respectively connected to the top portion and separated by a distance, the card The clamping member and the handle portion are respectively located between the first side wall and the second side wall, the top portion is adjacent to the latching member, and the first elastic member is located between the first side wall and the second side wall and elastically Reach the top. The universal wrench of claim 4, wherein the stack includes a first pivot pin and a second pivot pin, the first pivot pin passes through the first side wall, and the handle portion is adjacent to the fixed One end of the crotch portion and the second side wall, the second pivot pin penetrating the first side wall, the latching member and the second side wall. The universal wrench of claim 3, wherein the body includes a first accommodating recess and a second accommodating recess, and the first accommodating recess and the second accommodating recess are disposed on the handle The first accommodating recess is located between the first accommodating recess and the fixed shank, and the first elastic member is received in the first accommodating recess. Two elastic members are received in the second receiving recess. The universal wrench according to any one of claims 1 to 6, wherein the clamping portion includes a clamping surface and a clamping tooth surface, and the clamping surface and the clamping tooth surface are disposed on the clamping surface One side of the fixed jaw portion, the clamping surface is interconnected with the clamping tooth surface, the fixing jaw portion includes a plurality of clamping teeth, and the clamping tooth is disposed on the fixing jaw portion and faces the clamping surface With the clamping tooth surface. The universal wrench of claim 7, wherein the clamping surface extends along a first virtual straight line, the clamping tooth surface extends along a second virtual straight line, the first virtual straight line intersecting the second virtual straight line At one point and at an angle. The universal wrench of claim 8, wherein the angle is 60 degrees.