TWI685401B - Changeable driving direction telescopic wrench - Google Patents

Abstract

A telescopic wrench comprises a wrench rod and a driving rod. One end of the wrench rod is provided with a head seat. An end face of the head seat is concavely provided with an slot and an evading recess. One side of the evading recess is connected to the slot, and the other side is connected to an outer periphery of the head seat. On side of the slot opposite to the evading recess has an enclosed inner wall face. The head seat is provided with two shaft members respectively located on two opposite sides of the slot. The driving rod includes a connecting end and a driving end opposite to the connecting end. Two elongated slots are disposed between two ends of the driving rod. The two elongated slots are respectively disposed on two opposite sides of the driving rod. The connecting end is inserted in the slot. The two shaft members are inserted into the two elongated slots, and the wrench can provide a direct driving direction or a vertical driving direction by the above structure.

Description

Retractable and deformable wrench

The present invention mainly discloses a wrench, especially a retractable and deformable wrench.

Please refer to the patent case of "Tire Repair Tool" of Chinese Patent No. M431082, which discloses a tire repair tool consisting of a lever and a socket; the lever is solid and the first end is concave A receiving slot, which also spans a shaft perpendicular to the center axis of the lever, and a detached part that is gradually necked down is formed at the second end of the lever; the socket extends with a 1/2" square column shape The sleeve head is provided with a pivot hole coupled with the shaft member, so that the sleeve head can swing around the shaft member and can protrude out of the receiving slot.

However, although the socket of the traditional tire repair tool has the function of pivoting and swinging, it can be used for the user to adjust the angle, but the angle of the socket will continue to change due to the user's force application method. The operation mode of the tire repair tool cannot maintain the lever at a fixed angle, which will cause difficulty in operation.

In view of the lack of the above-mentioned conventional structure, the inventor has designed a retractable and deformable wrench which can overcome all the disadvantages of the above-mentioned conventional structure.

The main purpose of the retractable and deformable wrench of the present invention is to provide a wrench including a lever and a driving lever, the lever extends in the axial direction of a first virtual extension line, and one end of the lever is provided with a lever A head seat, an end surface of the head seat is recessed along the axial direction of the first virtual extension line with a slot and a dodge groove, the dodge groove along the radial side of the first virtual extension line communicates with the slot and another One side is connected to the outer peripheral edge of the head base, the slot is opposite to the inner side surface of the evasion groove which is closed, and the head base is radially inserted along the first virtual extension line with a first shaft member and a first Two shaft members, the first shaft member and the second shaft member are located on opposite sides of the slot respectively, the driving rod extends along the axial direction of a second virtual extension line, the driving rod includes a connecting end and a Contrary to the driving end of the connecting end, a first long slot and a second long slot are provided between the two ends of the driving rod, the first long slot and the second long slot are along the axis of the second virtual extension line Extending horizontally, the first long slot and the second long slot are respectively parallel to the second virtual extension line, and are disposed on two opposite sides of the second virtual extension line, and the connecting end is disposed in the slot , The first shaft is inserted into the first long slot, and the second shaft is inserted into the second long slot, the wrench can provide a way of using vertical drive or vertical drive through the above structure.

The drive lever can slide relative to the trigger lever between the retracted position and the direct drive position along the axis of the first virtual extension line, and the drive lever can be opposed to the trigger between the direct drive position and the oblique drive position When the lever rotates and the driving rod is in the retracted position, the first shaft member abuts the end of the first long slot adjacent to the driving end, and the second shaft member abuts the end of the second long slot adjacent to the driving end , The drive rod cannot rotate relative to the trigger lever, when the drive rod is in the above-mentioned direct drive position, the first shaft member abuts the end of the first long slot adjacent to the connecting end, and the second shaft member abuts the first The two long slots are adjacent to an end of the connecting end, the driving rod can rotate relative to the trigger lever, the first virtual extension line and the second virtual extension line are on the same line, and when the driving rod is in the oblique driving position, the first virtual Extension line and the second virtual extension An angle is formed between the wires, and the angle of the angle is not greater than 90 degrees, and the driving rod cannot slide relative to the trigger rod.

The connecting end is parallel to the second virtual extension line, and two radially opposite sides along the second virtual extension line are respectively provided with an inner shrinking surface, and the two inner shrinking surfaces respectively correspond to the first long groove and the second A long slot is provided with a middle section between the connecting end and the driving end, and the thickness between the two inner shrinkage surfaces is smaller than the width of the middle section along the radial direction of the second virtual extension line.

The head seat is concavely provided with a receiving groove, and the receiving groove is recessed on a side of the inner wall surface of the slot opposite to the avoiding groove. A positioning member and an elastic member are disposed in the receiving slot, and one end of the elastic member is pressed against A first positioning groove is recessed at the connecting end against the bottom of the receiving groove and the other end against the positioning member. When the driving rod is in the above-mentioned oblique driving position, the positioning member is locked in the first positioning groove.

A second positioning groove is recessed in the middle section. When the driving rod is in the retracted position, the positioning member is locked in the second positioning groove.

A third positioning groove at the connecting end is adjacent to the first positioning groove. When the driving rod is between the direct drive position and the oblique drive position, the positioning member can be locked in the third Locating slot.

The connecting end is concavely provided with two fourth positioning grooves, the two fourth positioning grooves are disposed on a side of the third positioning groove opposite to the first positioning groove, the driving rod is in the above-mentioned direct drive position and the above-mentioned oblique drive Between the positions, the positioning member can be locked in one of the third positioning groove or the two fourth positioning grooves.

The lever includes a first tube and a second tube, one end of the first tube is connected to the head seat, the second tube is slidably sleeved on the end of the first tube opposite to the head seat, A handle is connected to an end of the second tube opposite to the head base.

The driving end of the driving rod is in the shape of a rectangular column, and the angle of the included angle is equal to 90 degrees.

The cross-sectional shape of the middle section along the radial direction of the second virtual extension line can be circular or quadrangular.

Other objects, advantages and novelty of the present invention will be more apparent from the following detailed description and related drawings.

10‧‧‧ wrench

20‧‧‧ lever

21‧‧‧Head

211‧‧‧slot

212‧‧‧Dodge slot

213‧‧‧The first shaft

214‧‧‧Second shaft

215‧‧‧slot

216‧‧‧Locating parts

217‧‧‧Elastic parts

22‧‧‧The first pipe fitting

23‧‧‧Second pipe fitting

24‧‧‧grip

30‧‧‧Drive rod

31‧‧‧Connector

311‧‧‧recessed surface

312‧‧‧First positioning slot

313‧‧‧third positioning groove

314‧‧‧Fourth positioning slot

32‧‧‧Drive

33‧‧‧The first long slot

34‧‧‧Second long slot

35‧‧‧ Middle

351‧‧‧Second positioning groove

A‧‧‧ included angle

L1‧‧‧The first virtual extension line

L2‧‧‧The second virtual extension line

Figure 1: The perspective appearance of the retractable and deformable wrench of the present invention.

Figure 2: Exploded perspective view of the retractable and deformable wrench of the present invention.

FIG. 3 is a cross-sectional structural view of the retractable and deformable wrench driving rod of the present invention in the retracted position.

FIG. 4 is a cross-sectional structural view of the retractable and deformable wrench driving rod of the present invention from another perspective in the retracted position.

FIG. 5 is a cross-sectional structural view of the retractable and deformable wrench driving rod of the present invention between the direct drive position and the oblique drive position.

6 is a cross-sectional structural view of the retractable and deformable wrench driving rod of the present invention at an oblique driving position.

FIG. 7 is a diagram showing the use state of the retractable and deformable wrench driving rod of the present invention in the oblique driving position.

Regarding the technology, means and effects adopted by the present invention, a preferred embodiment is described in detail in conjunction with the drawings as follows. This is for illustrative purposes only, and is not limited by this structure in the patent application.

Referring to FIGS. 1 to 4, it is a perspective external view, a perspective exploded view and a cross-sectional structural view of a retractable and deformable wrench of the present invention. The wrench 10 of the present invention includes a lever 20 and a driving lever 30; wherein: the lever 20 extends along the axial direction of a first virtual extension line L1, one end of the lever 20 is provided with a head seat 21, the head The end surface of the seat 21 is concavely provided with a slot 211 and a dodge groove 212 along the axial direction of the first virtual extension line L1, and the dodge groove 212 communicates with the slot 211 along a radial side of the first virtual extension line L1 The other side is connected to the outer peripheral edge of the head holder 21, and the slot 211 is opposite to the inner wall surface of the evasion slot 212 on a closed side. A first shaft member 213 and a second shaft member 214 are inserted into the headstock 21 radially along the first virtual extension line L1, and the first shaft member 213 and the second shaft member 214 are respectively located in the slot 211 Opposite sides.

The driving rod 30 extends in the axial direction of a second virtual extension line L2. The driving rod 30 includes a connecting end 31 and a driving end 32 opposite to the connecting end 31. The driving rod 30 is disposed between two ends There is a first long groove 33 and a second long groove 34, the first long groove 33 and the second long groove 34 extend along the axial direction of the second virtual extension line L2, the first long groove 33 and the first The two long grooves 34 are respectively parallel to the second virtual extension line L2, and are disposed on opposite sides of the second virtual extension line L2 in the radial direction, the connecting end 31 is disposed in the slot 211, and the first shaft member 213 is inserted into the first long slot 33, and the second shaft 214 is inserted into the second long slot 34.

Please continue to refer to FIG. 5 to FIG. 7, which are cross-sectional structural diagrams of the retractable and deformable wrench of the present invention between the direct drive position and the oblique drive position, the cross-sectional structure diagram of the drive rod in the oblique drive position, and the use state. The drive lever 30 can slide relative to the trigger lever 20 between the retracted position and the direct drive position along the axial direction of the first virtual extension line L1, and the drive lever 30 can be between the direct drive position and the oblique drive position Rotate relative to the lever 20. When the driving rod 30 is in the retracted position (as shown in FIGS. 3 and 4), the The first shaft 213 abuts the end of the first long slot 33 adjacent to the driving end 32, the second shaft 214 abuts the end of the second long slot 34 adjacent to the driving end 32, the driving rod 30 cannot Relative to the trigger lever 20, when the driving lever 30 is in the above-mentioned direct drive position (not shown in the figure, the driving lever 30 is fully pulled out but not at an angle), the first shaft 213 abuts against the first The end of the long slot 33 adjacent to the connecting end 31, the second shaft 214 abuts the end of the second long slot 34 adjacent to the connecting end 31, the driving rod 30 can rotate relative to the lever 20, the first virtual The extension line L1 and the second virtual extension line L2 are on the same line, and when the driving rod 30 is in the oblique driving position (as shown in FIGS. 6 and 7), the first virtual extension line L1 and the second virtual extension line An angle A is formed between L2, the angle of the angle A is not greater than 90 degrees, and the angle of the angle A is equal to 90 degrees in this embodiment, and the driving rod 30 cannot slide relative to the lever 20.

The connecting end 31 is parallel to the second virtual extension line L2, and two radially opposite sides along the second virtual extension line L2 are respectively provided with an inner constriction surface 311, and the two inner constriction surfaces 311 respectively correspond to the first length The groove 33 and the second long groove 34 are provided with a middle section 35 between the connecting end 31 and the driving end 32, and the thickness between the two inner shrinkage surfaces 311 is smaller than the middle section 35 along the second virtual extension line L2 Radial width.

The head holder 21 is concavely provided with a receiving groove 215, and the receiving groove 215 is recessed on a side of the inner wall surface of the slot 211 opposite to the dodge groove 212, and a positioning member 216 and an elastic member are provided in the receiving groove 215 217, one end of the elastic member 217 abuts the bottom of the receiving slot 215 and the other end abuts the positioning member 216, the connecting end 31 is recessed with a first positioning slot 312, and the driving rod 30 is in the oblique driving position At this time, the positioning member 216 is locked in the first positioning slot 312.

The middle section 35 is concavely provided with a second positioning groove 351. When the driving rod 30 is in the retracted position, the positioning member 216 is locked in the second positioning groove 351.

The connecting end 31 has a third positioning groove 313, the third positioning groove 313 is adjacent to the first positioning groove 312, and the driving rod 30 is between the direct drive position and the oblique drive position (as shown in FIG. 5 ), the positioning member 216 can be locked in the third positioning slot 313.

The connecting end 31 is concavely provided with two fourth positioning grooves 314. The two fourth positioning grooves 314 are disposed on a side of the third positioning groove 313 opposite to the first positioning groove 312. Between the driving position and the oblique driving position, the positioning member 216 can be locked in one of the third positioning groove 313 or the two fourth positioning grooves 314.

The lever 20 includes a first pipe member 22 and a second pipe member 23, one end of the first pipe member 22 is connected to the head seat 21, the second pipe member 23 is slidably sleeved on the first pipe member 22 opposite At one end of the head base 21, the second tube 23 is connected to a handle 24 opposite to the end of the head base 21.

The driving end 32 of the driving rod 30 has a rectangular column shape.

The cross-sectional shape of the middle section 35 along the radial direction of the second virtual extension line L2 can be a circle or a quadrangle, and the cross-sectional shape of the middle section 35 along the radial direction of the second virtual extension line L2 is circular in this embodiment.

The wrench 10 can provide the use mode of the vertical drive or the vertical drive through the above structure.

Based on the above, it can be concluded that the present invention has the following advantages: 1. The retractable and deformable wrench of the present invention, wherein the wrench includes a lever and a drive lever, the lever is along the axial direction of a first virtual extension line Extending, one end of the lever is provided with a head seat, and an end surface of the head seat is recessed along the axial direction of the first virtual extension line with a slot and a dodge groove, the dodge groove is along the diameter of the first virtual extension line One side connects to the slot and the other side connects to the header The outer edge of the slot is opposite to the inner wall surface of the side of the evasion slot that is closed. The head seat is radially inserted along the first virtual extension line with a first shaft member and a second shaft member. A shaft member and the second shaft member are respectively located on opposite sides of the slot, the driving rod extends along an axial direction of a second virtual extension line, the driving rod includes a connecting end and a drive opposite to the connecting end Between the two ends of the driving rod, a first long slot and a second long slot are provided, the first long slot and the second long slot extend along the axial direction of the second virtual extension line, and the first A long slot and the second long slot are respectively disposed on two opposite sides of the driving rod along the second virtual extension line in the radial direction, the connecting end is disposed in the slot, and the first shaft is inserted in the first Long slot, the second shaft is inserted into the second long slot, the wrench can provide the use of the vertical drive or vertical drive through the above structure.

However, the above are only preferred embodiments of the present invention, and should not be used to limit the scope of implementation of the present invention, so any change in value or replacement of equivalent elements, or equivalent made in accordance with the scope of patent application of the present invention Changes and modifications should still fall within the scope of this invention patent.

10‧‧‧ wrench

20‧‧‧ lever

21‧‧‧Head

23‧‧‧Second pipe fitting

24‧‧‧grip

30‧‧‧Drive rod

32‧‧‧Drive

Claims (10)

A retractable and deformable wrench includes: a lever extending axially along a first virtual extension line, an end of the lever is provided with a head seat, and an end surface of the head seat is along the first An axial recess of a virtual extension line is provided with a slot and a dodge groove, the dodge groove is connected to the slot along one side of the radial direction of the first virtual extension line and the other side is connected to the outer periphery of the head seat, the The slot is opposite to the inner wall surface of the side of the evasion slot which is closed. The head seat is radially inserted along the first virtual extension line with a first shaft member and a second shaft member, the first shaft member and the The second shafts are respectively located on opposite sides of the slot; a driving rod extending along the axial direction of a second virtual extension line, the driving rod includes a connecting end and a driving end opposite to the connecting end , A first long slot and a second long slot are provided between the two ends of the driving rod, the first long slot and the second long slot extend along the axial direction of the second virtual extension line, and the first long slot The slot and the second long slot are respectively parallel to the second virtual extension line, and are disposed on two opposite sides of the second virtual extension line in the radial direction, the connecting end is disposed in the slot, and the first shaft is inserted The second long groove is inserted into the first long groove. The retractable and deformable wrench according to claim 1, wherein the drive rod can slide relative to the trigger rod between the retracted position and the direct drive position along the axial direction of the first virtual extension line, and the drive rod It can rotate relative to the lever between the direct drive position and the oblique drive position. When the drive lever is in the retracted position, the first shaft member abuts the end of the first long slot adjacent to the drive end, and the second The shaft member abuts the end of the second long slot adjacent to the driving end, and the drive rod cannot rotate relative to the trigger lever. When the drive lever is in the above-mentioned direct drive position, the first shaft member abuts the first long slot At one end of the connecting end, the second shaft member abuts the end of the second long slot adjacent to the connecting end, the drive rod can rotate relative to the lever, the first virtual extension line and the second virtual extension line are on the same line , The drive lever In position, an angle is formed between the first virtual extension line and the second virtual extension line, and the angle of the included angle is not greater than 90 degrees, and the driving rod cannot slide relative to the trigger rod. The retractable and deformable wrench according to claim 2, wherein the connecting end is parallel to the second virtual extension line, and two radially opposite sides along the second virtual extension line are respectively provided with an inner constriction surface, two The inner shrinkage surface corresponds to the first long groove and the second long groove respectively, and a middle section is provided between the connecting end and the driving end, and the thickness between the two inner shrinkage surfaces is smaller than the middle section along the second virtual The radial width of the extension line. The retractable and deformable wrench according to claim 3, wherein the head seat is concavely provided with a receiving groove, and the receiving groove is recessed on the side of the inner wall surface of the socket opposite to the avoiding groove, and is provided in the receiving groove There is a positioning member and an elastic member, one end of the elastic member abuts against the bottom of the containing slot and the other end abuts against the positioning member, the connecting end is concavely provided with a first positioning slot, and the driving rod is driven obliquely above When in position, the positioning member is locked in the first positioning slot. The retractable and deformable wrench according to claim 4, wherein the middle section is concavely provided with a second positioning groove, and when the driving rod is in the retracted position, the positioning member is locked in the second positioning groove. The retractable and deformable wrench according to claim 5, wherein the connecting end has a third positioning groove, the third positioning groove is adjacent to the first positioning groove, and the driving rod is at the above-mentioned direct drive position and the above-mentioned oblique drive Between the positions, the positioning member can be locked in the third positioning slot. The retractable and deformable wrench according to claim 6, wherein the connecting end is concavely provided with two fourth positioning grooves, the two fourth positioning grooves are disposed in the third positioning groove opposite to the first positioning groove On one side, when the driving rod is between the direct drive position and the oblique drive position, the positioning member can be locked in one of the third positioning groove or the two fourth positioning grooves. The retractable and deformable wrench according to claim 7, wherein the lever includes a first pipe member and a second pipe member, one end of the first pipe member is connected to the head seat, and the second pipe member can slide An end opposite to the head seat is sleeved on the first tube, and an end is connected to the second tube opposite to the head seat. The retractable and deformable wrench according to claim 8, wherein the driving end of the driving rod is in the shape of a rectangular column, and the angle of the included angle is equal to 90 degrees. The retractable and deformable wrench according to claim 8, wherein the cross-sectional shape of the middle section along the radial direction of the second virtual extension line can be round or quadrangular.

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