CN210732295U - Monkey wrench capable of quickly adjusting opening size - Google Patents
Monkey wrench capable of quickly adjusting opening size Download PDFInfo
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- CN210732295U CN210732295U CN201921530335.9U CN201921530335U CN210732295U CN 210732295 U CN210732295 U CN 210732295U CN 201921530335 U CN201921530335 U CN 201921530335U CN 210732295 U CN210732295 U CN 210732295U
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- worm
- small spring
- pin shaft
- square hole
- wrench
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Abstract
The utility model discloses a quick adjustment opening size's monkey wrench, pull the mouth including pulling the body, fixedly, the activity, the upper end of pulling the body is for fixed pulling the mouth, the activity is pulled the mouth and is pulled mouthful corresponding with fixed to the activity is pulled under the mouth rack and is slided in the direction round hole of pulling body upper end and seting up, pull the body and still set up the square hole, install the worm in the square hole, the worm meshes with the rack mutually, the square hole left and right sides is provided with worm clutching mechanism, the worm is installed at the round pin epaxially, and the round pin axle is connected with worm clutching mechanism. The utility model discloses a reciprocating of worm realizes the quick adjustment of opening volume, convenient to use, and work efficiency is high. The opening amount adjusting speed is high, the clamping range is wide, and the use torque is large. The quick adjustment is realized and the function that the jaw can not fall off is realized.
Description
Technical Field
The utility model belongs to the technical field of manual hardware and tools technique and specifically relates to a quick adjustment open size's monkey wrench.
Background
At present, a common adjustable wrench can assemble and disassemble fasteners such as bolts, nuts and the like. When bolts and nuts of different specifications are encountered in the assembling and disassembling process, the clamping and loosening speed of the common adjustable wrench is slow, and the working efficiency is influenced.
Application No.: 94211219.9A wrench with a quick-change jaw is provided with a double-elastic clutch on the basis of a common wrench, so that the jaw can be quickly changed, and the other side of the jaw is provided with saw teeth, thus realizing the dual purposes of quick-change.
The technology disclosed above, its dual spring clutch is at the bottom of the square hole, and uses a bracket and a spring. Therefore, the structure is unstable, and the two end parts are easy to shake, so that the separation is not smooth. And the utility model discloses a slot between spring hole and the square hole on the both sides of square hole, what utilize is about the round pin axle slide in this groove from top to bottom, realize pulling the mouth and taking off, closing of worm, the structure is firm, and it is very convenient to operate. The utility model discloses horizontal compression axle is convenient for assemble into in the vertical rectangular hole to the back of packing into, two round pin axles make the round pin axle penetrate little spring inslot through the elasticity of big spring, press in little spring upper end. The assembly is very convenient, and vertical rectangular hole upper end also can restrict the round pin axle upwards to deviate from moreover, has just also guaranteed that the worm can not be outside deviating from the square hole easily, very firm.
Application No.: 91206144.8A dual-purpose adjustable wrench with quick adjustment is composed of a movable jaw with flat jaw at right end and fixed jaw for matching with ordinary wrench, and a pipe wrench at left end for turning 180 deg. to form a pipe wrench with fixed jaw.
The above disclosed technology, its clutch is completely different from the present invention. The worm moves out of the square hole by utilizing the lever principle and is separated from the wrench opening, thereby occupying space and having heavy structure. The worm of the utility model can only move up and down in the square hole, does not occupy the external space, and has stable structure.
Application No.: 97245151.X relates to a quick adjustable wrench, which comprises a wrench body, a wrench opening, a rack, a worm, a steel ball and a spring, wherein the worm is arranged in a square hole of the wrench body through the spring and the steel ball, and a limit boss is arranged on the inner side of the rack at the lower end of the wrench opening. The utility model discloses the structure is reasonable, the dependable performance, and convenient operation is an ideal fast accent spanner.
The limiting boss of the above patent only has a limiting function, and the assembly sequence of the limiting boss is that the spanner opening is firstly arranged and then the worm is arranged. The boss of the utility model not only has a limiting function, but also can be used as a tooth type on the wrench opening, can be introduced into the spiral groove of the worm and is meshed with the worm, the worm must be firstly installed in the assembling sequence of the boss, and then the wrench opening is installed, so that the boss on the wrench opening is meshed with the worm, the wrench opening can be screwed in, and on the contrary, the wrench opening can also be screwed out.
Technical scheme and the technical problem that will solve and the beneficial effect who produces of above disclosure technique all with the utility model discloses inequality, to the utility model discloses more technical characteristics and the technical problem and the beneficial effect that will solve all do not have the technological inspiration in the above technical document that discloses.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a quick adjustable spanner of speed adjusting opening size, through reciprocating of worm realize the quick adjustment of opening volume, convenient to use, work efficiency is high. The opening amount adjusting speed is high, the clamping range is wide, and the use torque is large. The quick adjustment is realized and the function that the jaw can not fall off is realized.
The purpose of the utility model can be realized by the following technical measures:
the adjustable wrench capable of quickly adjusting the opening size comprises a wrench body, a fixed wrench opening and a movable wrench opening, wherein the fixed wrench opening is arranged at the upper end of the wrench body, the movable wrench opening corresponds to the fixed wrench opening, a rack at the lower end of the movable wrench opening slides in a guide round hole formed in the upper end of the wrench body, a square hole is further formed in the wrench body, a worm is installed in the square hole and meshed with the rack, worm clutch mechanisms are arranged on the left side and the right side of the square hole, the worm is installed on a pin shaft, and the pin shaft is connected with the worm clutch mechanisms. The worm clutch mechanism is an elastic mechanism, and the compression distance of the elastic mechanism ensures that the worm can be completely separated from the rack at the bottom of the movable jaw. The elastic mechanism is a small spring, the upper end of the small spring is tightly connected with the pin shaft in a propping manner, and the small spring comprises a left small spring and a right small spring, wherein the left small spring is arranged in a left small spring groove formed in the left side of the square hole, and the right small spring is arranged in a right small spring groove formed in the right side of the square hole; the left small spring and the right small spring are identical in structure and are symmetrically arranged, and the left small spring groove and the right small spring groove are identical in structure and are symmetrically arranged.
The purpose of the utility model can be realized by the following technical measures:
the hinge pin is a transverse compression shaft which comprises a left hinge pin and a right hinge pin, the right end of the left hinge pin is connected with the left end of the right hinge pin through a large spring, and the large spring is integrally positioned in a central shaft hole of the worm.
The left end of the left pin shaft extends out of the worm central shaft hole and then extends into a left vertical long hole formed in the left side face of the square hole, the left vertical long hole is communicated with the square hole and the left small spring groove at the same time, the left end of the left pin shaft continuously extends into the left small spring groove to be connected with the upper end of the left small spring, the right end of the right pin shaft extends out of the worm central shaft hole and then extends into a right vertical long hole formed in the right side face of the square hole, the right vertical long hole is communicated with the square hole and the right small spring groove at the same time, and the right end of the right pin shaft continuously extends into the right small spring groove to be connected with the upper end of the right small; the left pin shaft and the right pin shaft are identical in structure and are symmetrically arranged.
The bottom surface of the rack of the movable wrench opening is provided with a boss close to the right end of the rack, when the worm compresses the worm clutch mechanism downwards to the bottom dead center, the spiral teeth on the worm limit the boss transversely, and when the worm rotates, the boss can be meshed with the spiral teeth on the worm.
Compared with the prior art, the utility model following beneficial technological effect has:
the square hole is arranged below the head of the wrench body, the worm is arranged in the square hole, the through hole is formed in the middle of the worm, the large spring penetrates through the through hole and is arranged in the middle of the worm, the left pin shaft and the right pin shaft are located at two ends of the large spring in the middle of the worm, round holes are formed in two sides of the square hole, the square hole and the round holes are grooved, the other end of the left pin shaft and the right pin shaft extend into the two round holes through the grooves, the small springs are arranged at the bottom ends of the two round holes, the left pin shaft and. When the worm is pulled down by hand to touch the bottom edge of the square hole, the left pin shaft and the right pin shaft slide downwards along the slotting part of the square hole and the round hole, the spring is compressed, the worm is separated from the wrench opening, and the wrench opening can be freely opened and closed to realize the quick adjustment of the opening amount. After the worm is loosened, the left pin shaft and the right pin shaft slide upwards along the vertical long hole arranged on the side of the square hole under the acting force of the left small spring and the right small spring, the worm is meshed with the jaw tooth shape, and the normal function of the adjustable wrench is restored. The transverse compression shaft is convenient to assemble into the vertical strip-shaped hole, and after the transverse compression shaft is assembled into the vertical strip-shaped hole, the two pin shafts penetrate into the small spring groove through the elasticity of the large spring and press the upper end of the small spring. The assembly is very convenient, and vertical rectangular hole upper end also can restrict the round pin axle upwards to deviate from moreover, has just also guaranteed that the worm can not be outside deviating from the square hole easily, very firm. When the worm is pulled down by hand to touch the bottom edge of the square hole and the opening is opened to the maximum, the boss is arranged at the bottom of the front end of the round shaft of the wrench opening and interferes with the worm, so that the function that the wrench opening cannot fall off is realized. When the worm is rotated to be not rotated, the wrench opening is slightly moved outwards, so that the boss is moved into the worm spiral groove, the worm is continuously rotated, and the wrench opening can be moved out. The utility model relates to a rationally, simple structure makes easily, labour saving and time saving, through reciprocating of worm realize the quick adjustment of opening volume, convenient to use, work efficiency is high.
Application No.: 94211219.9A spanner with quick-change jaws features that its dual-elastic clutch is at the bottom of square hole and a bracket and a spring are used. Therefore, the structure is unstable, and the two end parts are easy to shake, so that the separation is not smooth. And the utility model discloses a slot between spring hole and the square hole on the both sides of square hole, what utilize is about the round pin axle slide in this groove from top to bottom, realize pulling the mouth and taking off, closing of worm, the structure is firm, and it is very convenient to operate. The transverse compression shaft is convenient to assemble into the vertical strip-shaped hole, and after the transverse compression shaft is assembled into the vertical strip-shaped hole, the two pin shafts penetrate into the small spring groove through the elasticity of the large spring and press the upper end of the small spring. The assembly is very convenient, and vertical rectangular hole upper end also can restrict the round pin axle upwards to deviate from moreover, has just also guaranteed that the worm can not be outside deviating from the square hole easily, very firm.
Application No.: 91206144.8A dual-purpose quick adjustable wrench, the clutch of which is completely different from the utility model, is disclosed in the above technology. The worm moves out of the square hole by utilizing the lever principle and is separated from the wrench opening, thereby occupying space and having heavy structure. The worm of the utility model can only move up and down in the square hole, does not occupy the external space, and has stable structure.
Application No.: 97245151.X relates to a quick adjustable wrench, the limit boss of the patent only has a limit function, and the assembly sequence of the adjustable wrench is that a wrench opening is firstly installed and then a worm is installed. The boss of the utility model not only has a limiting function, but also can be used as a tooth type on the wrench opening, can be introduced into the spiral groove of the worm and is meshed with the worm, the worm must be firstly installed in the assembling sequence of the boss, and then the wrench opening is installed, so that the boss on the wrench opening is meshed with the worm, the wrench opening can be screwed in, and on the contrary, the wrench opening can also be screwed out.
Drawings
Fig. 1 is a schematic structural view of a quick adjustable wrench for adjusting the size of an opening according to the present invention;
fig. 2 is a schematic sectional view of the engagement state of the present invention;
fig. 3 is a schematic cross-sectional view of the disengaged state of the present invention;
FIG. 4 is a schematic cross-sectional view of the interference state between the jaw boss and the worm of the present invention;
fig. 5 is a state view when the worm is fitted in the square hole by the lateral compression shaft.
In the figure: 1. the wrench comprises a fixed wrench opening, 2 a movable wrench opening, 3 a worm, 4 a left pin shaft, 5 a left small spring, 6 a large spring, 7 a right pin shaft, 8 a right small spring, 9 a boss, 10 a wrench body, 11 a guide round hole, 12 a square hole and 13 a vertical strip hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution:
the adjustable wrench capable of quickly adjusting the opening size comprises a wrench body 10, a fixed wrench opening 1 and a movable wrench opening 2, wherein the fixed wrench opening is arranged at the upper end of the wrench body, the movable wrench opening corresponds to the fixed wrench opening, a rack at the lower end of the movable wrench opening slides in a guide round hole 11 formed in the upper end of the wrench body, a square hole 12 is further formed in the wrench body, a worm 3 is installed in the square hole and meshed with the rack, worm clutch mechanisms are arranged on the left side and the right side of the square hole, the worm is installed on a pin shaft, and the pin shaft is connected with the worm clutch mechanisms. The worm clutch mechanism is an elastic mechanism, and the compression distance of the elastic mechanism ensures that the worm can be completely separated from the rack at the bottom of the movable jaw. The elastic mechanism is a small spring, the upper end of the small spring is tightly connected with the pin shaft in a propping manner, and the small spring comprises a left small spring 5 and a right small spring 8, wherein the left small spring is arranged in a left small spring groove formed in the left side of the square hole, and the right small spring is arranged in a right small spring groove formed in the right side of the square hole; the left small spring and the right small spring are identical in structure and are symmetrically arranged, and the left small spring groove and the right small spring groove are identical in structure and are symmetrically arranged.
The left end of the left pin shaft extends out of a central shaft hole of the worm and then extends into a left vertical long hole formed in the left side surface of the square hole, the left vertical long hole is communicated with the square hole and the left small spring groove, the left end of the left pin shaft continues to extend into the left small spring groove and is connected with the upper end of the left small spring, the right end of the right pin shaft extends out of the central shaft hole of the worm and then extends into a right vertical long hole formed in the right side surface of the square hole, the right vertical long hole is communicated with the square hole and the right small spring groove simultaneously, and the right end of the right pin shaft continues to extend into the right small spring groove and is connected with the upper end of the right small spring; the left pin shaft and the right pin shaft are identical in structure and are symmetrically arranged. The utility model discloses horizontal compression axle is convenient for assemble into in the vertical rectangular hole to the back of packing into, two round pin axles make the round pin axle penetrate little spring inslot through the elasticity of big spring, press in little spring upper end. The assembly is very convenient, and vertical rectangular hole upper end also can restrict the round pin axle upwards to deviate from moreover, has just also guaranteed that the worm can not be outside deviating from the square hole easily, very firm. As shown in fig. 5.
A boss 9 is arranged at the position, close to the right end of the rack, of the movable wrench opening, when the worm compresses the worm clutch mechanism downwards to a bottom dead center, spiral teeth on the worm limit the boss transversely, and when the worm rotates, the boss can be meshed with the spiral teeth on the worm.
The head of the wrench body is provided with a large round hole, and the movable wrench opening 2 is inserted into the large round hole through a round shaft arranged at the bottom to be connected with the wrench body. The square hole is arranged below the head of the wrench body, the worm 3 is arranged in the square hole, the through hole is arranged in the middle of the worm 3, the large spring 6 penetrates through the through hole and is arranged in the middle of the worm 3, the left pin shaft 4 and the right pin shaft 7 are positioned at two ends of the large spring 6 in the middle of the worm 3, round holes are formed in two sides of the square hole, a groove is formed between the square hole and the round holes, one end of the left pin shaft 4 and one end of the right pin shaft 7 extend into the two round holes through the groove, the small springs 5 and 8 are placed at the bottom ends of the two round holes, the left pin shaft 4 and the. The hand pull-down worm 3 touches the bottom edge of the square hole, the left and right pin shafts 4 and 7 slide downwards along the slotting part of the square hole and the round hole, the small springs 5 and 8 compress, the worm 3 is separated from the wrench opening 2, and the wrench opening 2 can be freely opened and closed to realize the quick adjustment of the opening amount. After the worm 3 is loosened, the left pin shaft 4 and the right pin shaft 7 slide upwards along the grooves of the square holes and the round holes under the action force of the small springs 5 and 8, the worm 3 is meshed with the jaw 2 in a tooth shape, and the normal function of the adjustable wrench is recovered. When the worm 3 is pulled downwards by hand to touch the bottom edge of the square hole and the opening is opened to the maximum, the boss is arranged at the bottom of the front end of the round shaft of the wrench opening 2 and interferes with the worm 3, so that the wrench opening 2 cannot fall off, and when the worm 3 is rotated to be fixed, the wrench opening 2 is slightly moved outwards, so that the boss is moved into the spiral groove of the worm 3, the worm 3 is continuously rotated, and the wrench opening 2 can be moved out. The size of the boss is smaller than that of the spiral groove of the worm, and the distance between the boss and the adjacent jaw tooth is larger than the thread pitch of the worm, namely, the boss can be meshed with the spiral teeth on the worm when the worm rotates.
When the worm is pulled down by hand to touch the bottom edge of the square hole, the left pin shaft and the right pin shaft slide downwards along the slotting part of the square hole and the round hole, the spring is compressed, the worm is separated from the wrench opening, and the wrench opening can be freely opened and closed to realize the quick adjustment of the opening amount. After the worm is loosened, the left pin shaft and the right pin shaft slide upwards along the vertical long hole 13 arranged on the side of the square hole under the acting force of the left small spring and the right small spring, the worm is meshed with the jaw tooth shape, and the normal function of the adjustable wrench is recovered. When the worm is pulled down by hand to touch the bottom edge of the square hole and the opening is opened to the maximum, the boss is arranged at the bottom of the front end of the round shaft of the wrench opening and interferes with the worm, so that the function that the movable wrench opening cannot fall off is realized. When the worm is rotated to be not rotated, the wrench opening is slightly moved outwards, so that the boss is moved into the worm spiral groove, the worm is continuously rotated, and the wrench opening can be moved out.
The large spring and the small spring mentioned above are not specific to the size of the book, and can be used as long as the spring can be installed, so the size is not limited, and the words are only used for distinguishing different spring part names, such as the large spring can be called as the third spring, the shaft transverse spring and the like, and the left small spring can be directly called as the left spring and the like.
The utility model relates to a rationally, simple structure makes easily, labour saving and time saving, through reciprocating of worm realize the quick adjustment of opening volume, convenient to use, work efficiency is high.
In the description of the present invention, it should be understood that the orientation indication or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description of the present invention, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. An adjustable wrench capable of quickly adjusting the size of an opening comprises a wrench body, a fixed wrench opening and an adjustable wrench opening, wherein the fixed wrench opening is arranged at the upper end of the wrench body, the adjustable wrench opening corresponds to the fixed wrench opening, a rack at the lower end part of the adjustable wrench opening slides in a guide round hole formed at the upper end of the wrench body, a square hole is further formed in the wrench body, a worm is installed in the square hole and meshed with the rack, and the adjustable wrench is characterized in that worm clutch mechanisms are arranged on the left side and the right side of the square hole, the worm is installed on a pin shaft, and the pin shaft is connected with the worm clutch mechanisms; the worm clutch mechanism is an elastic mechanism, and the compression distance of the elastic mechanism ensures that the worm can be completely separated from the rack at the bottom of the movable jaw; the elastic mechanism is a small spring, the upper end of the small spring is tightly connected with the pin shaft in a propping manner, and the small spring comprises a left small spring and a right small spring, wherein the left small spring is arranged in a left small spring groove formed in the left side of the square hole, and the right small spring is arranged in a right small spring groove formed in the right side of the square hole; the left small spring and the right small spring are identical in structure and are symmetrically arranged, and the left small spring groove and the right small spring groove are identical in structure and are symmetrically arranged.
2. The adjustable wrench for quickly adjusting the size of the opening according to claim 1, wherein the pin shaft is a transverse compression shaft, the transverse compression shaft comprises a left pin shaft and a right pin shaft, the right end of the left pin shaft is connected with the left end of the right pin shaft through a large spring, and the large spring is integrally positioned in a central shaft hole of the worm.
3. The adjustable wrench for quickly adjusting the opening size according to claim 2, wherein the left end of the left pin shaft extends out of the central shaft hole of the worm and then extends into a left vertical long hole formed in the left side surface of the square hole, the left vertical long hole is communicated with the square hole and the left small spring groove, the left end of the left pin shaft continues to extend into the left small spring groove to be connected with the upper end of the left small spring, the right end of the right pin shaft extends out of the central shaft hole of the worm and then extends into a right vertical long hole formed in the right side surface of the square hole, the right vertical long hole is communicated with the square hole and the right small spring groove, and the right end of the right pin shaft continues to extend into the right small spring groove to be connected with the upper end of the right small spring; the left pin shaft and the right pin shaft are identical in structure and are symmetrically arranged.
4. The adjustable wrench with the adjustable opening size as claimed in claim 1, 2 or 3, wherein the bottom surface of the rack of the adjustable wrench opening is provided with a boss near the right end of the rack, when the worm compresses the worm clutch mechanism downwards to the bottom dead center, the spiral teeth on the worm limit the boss transversely, and when the worm rotates, the boss can be meshed with the spiral teeth on the worm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921530335.9U CN210732295U (en) | 2019-09-12 | 2019-09-12 | Monkey wrench capable of quickly adjusting opening size |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921530335.9U CN210732295U (en) | 2019-09-12 | 2019-09-12 | Monkey wrench capable of quickly adjusting opening size |
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| Publication Number | Publication Date |
|---|---|
| CN210732295U true CN210732295U (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921530335.9U Active CN210732295U (en) | 2019-09-12 | 2019-09-12 | Monkey wrench capable of quickly adjusting opening size |
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| CN (1) | CN210732295U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110614601A (en) * | 2019-09-12 | 2019-12-27 | 威海市威力高档工具有限公司 | Adjustable wrench capable of quickly adjusting opening size |
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2019
- 2019-09-12 CN CN201921530335.9U patent/CN210732295U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110614601A (en) * | 2019-09-12 | 2019-12-27 | 威海市威力高档工具有限公司 | Adjustable wrench capable of quickly adjusting opening size |
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