CN111745579A - Self-adaptive adjustable pipe wrench capable of locking - Google Patents
Self-adaptive adjustable pipe wrench capable of locking Download PDFInfo
- Publication number
- CN111745579A CN111745579A CN202010493513.6A CN202010493513A CN111745579A CN 111745579 A CN111745579 A CN 111745579A CN 202010493513 A CN202010493513 A CN 202010493513A CN 111745579 A CN111745579 A CN 111745579A
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- connecting rod
- locking
- movable
- wrench
- self
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- 230000000694 effects Effects 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 abstract description 28
- 239000010959 steel Substances 0.000 abstract description 28
- 230000009471 action Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 239000003921 oil Substances 0.000 description 4
- 210000000080 chela (arthropods) Anatomy 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/48—Spanners; Wrenches for special purposes
- B25B13/50—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes
- B25B13/5008—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects
- B25B13/5016—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects by externally gripping the pipe
- B25B13/5025—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects by externally gripping the pipe using a pipe wrench type tool
- B25B13/5041—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects by externally gripping the pipe using a pipe wrench type tool with movable or adjustable jaws
- B25B13/5058—Linearly moving or adjustable, e.g. with an additional small tilting or rocking movement
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention relates to the technical field of pipeline caliper equipment, and discloses a lockable self-adaptive shifting wrench, which comprises a fixed wrench, a connecting clamping groove and a movable wrench, wherein one side of the top end of the fixed wrench is movably connected with the movable wrench through the connecting clamping groove, one side of the top end of the fixed wrench is fixedly provided with a sealing sleeve, and one end of a movable connecting rod penetrates through and extends to the bottom of an inner cavity of the sealing sleeve and is movably sleeved with the inner wall of the movable connecting rod. This can lock dead self-adaptation shifting collar pipe wrench, to the setting of locking piston inner structure and with the relation of hydraulic pressure chute opening position, when this self-adaptation shifting collar pipe wrench is at the steel pipe of centre gripping different model sizes, all can be when the locking piston moves the opening of automatic shutoff hydraulic pressure chute top to the highest position, for the steel pipe between fixed spanner and the activity spanner provides stable effectual clamping-force, has further improved this self-adaptation shifting collar pipe wrench's stability and reliability.
Description
Technical Field
The invention relates to the technical field of pipeline caliper equipment, in particular to a lockable self-adaptive movable-mouth pipe wrench.
Background
The pipe wrench changes the clamping force into torsion and is used for clamping and rotating the steel pipe parts, it mainly realizes the adjustment of the opening size and the clamping operation of the steel pipe parts between the fixed jaw and the movable jaw through the movable jaw, but the movable jaw in the existing pipe wrench moves the movable jaw through the way of screw drive, so when clamping larger parts or smaller parts, it takes much time to rotate the movable jaw to adjust the opening size of the pipe wrench, thus the working efficiency of the pipe wrench is lower, and when clamping the rotating steel pipe parts with larger force, the movable jaw will deflect correspondingly, which results in the extrusion between the movable jaw and the internal thread of the movable jaw, the damage to the internal thread in the movable jaw is larger, and at the same time, the movable jaw will loosen, The slipping phenomenon, even the phenomenon that the screw is clamped and the movable clamp sleeve cannot be rotated, further causes the problem that the pipe wrench is difficult to take out from the clamped steel pipe parts, and causes the use effect and the reliability of the whole pipe wrench to be poor.
Disclosure of Invention
Technical problem to be solved
The invention provides a lockable self-adaptive shifting pipe wrench, which has the advantages of automatic adjustment of steel pipes of different types, no need of spending more time to adjust the opening size of a movable jaw, higher working efficiency, no loosening and slipping caused by adopting a thread transmission mode or no phenomenon that the pipe wrench can not be taken out due to thread clamping, and higher using effect and reliability, and solves the problems that the movable jaw in the existing pipe wrench moves by adopting a thread transmission mode, so that when a larger part or a smaller part is clamped, the movable jaw needs to spend more time to rotate the movable jaw to adjust the opening size of the pipe wrench, the working efficiency of the pipe wrench is lower, and when a rotary steel pipe part is clamped by adopting larger force, the movable jaw can correspondingly deflect, and further extrusion is caused between the movable jaw and internal threads of the movable jaw, the damage that causes the internal thread in the activity pincers cover is great, can lead to simultaneously that the activity is kept silent and take place not hard up, the phenomenon of skidding, even take place the phenomenon of card silk, unable rotatory activity pincers cover, and then cause the problem that the pipe wrench is difficult to take out from the steel pipe class part of centre gripping, cause the relatively poor problem of result of use and the reliability of whole pipe wrench.
(II) technical scheme
The invention provides the following technical scheme: the utility model provides a can lock dead self-adaptation shifting collar pipe wrench, includes fixed spanner, connecting slot and activity spanner, there is the activity spanner one side on fixed spanner top through connecting slot swing joint, one side fixed mounting on fixed spanner top has sealed sleeve, the one end fixed mounting of activity spanner has movable connecting rod, movable connecting rod's one end runs through and extends to the bottom of sealed sleeve inner chamber and cup joints with the inner wall activity of movable connecting rod, movable connecting rod inner chamber's middle part is equipped with the hydraulic pressure chute, locking mechanism has been cup jointed in the top activity of sealed sleeve inner chamber, and locking mechanism's one end is connected through connecting cardboard and the locking pull rod transmission of pin joint at fixed spanner top middle part.
Preferably, locking mechanism includes the locking piston, the surface of locking piston and sealing sleeve's inner wall just are located the top activity of movable connecting rod and cup joint, the position of locking piston is located between two openings of hydraulic pressure chute, the right-hand member fixed mounting of locking piston has the locking connecting rod, the one end of locking connecting rod runs through and extends to sealing sleeve's outside and with the one end pin joint of being connected the cardboard, the activity has been cup jointed to the bottom of locking connecting rod surface and be located sealing sleeve's inner chamber activity, the surface of locking connecting rod just is located movable clamp plate and sealing sleeve's inner wall between the movable clamp plate is equipped with spacing spring.
Preferably, hydraulic transmission oil is arranged in an inner cavity formed between the movable pressure plate and the stop piston and an inner cavity formed between the stop piston and the movable connecting rod, and the two inner cavities in the sealing sleeve are communicated with each other through hydraulic flow grooves.
Preferably, the highest position of the upward movement of the stop piston is just at the position of the upper opening of the hydraulic flow groove, and the highest position of the upward movement of the movable connecting rod is always below the position of the lower opening of the hydraulic flow groove.
(III) advantageous effects
The invention has the following beneficial effects:
1. this can lock dead self-adaptation shifting collar pipe wrench, through sealed sleeve, hydraulic pressure chute and locking mechanism's setting, utilize the produced pressure of connecting cardboard and locking pull rod auto-lock to come the centre gripping steel pipe, and no longer need adjust its opening size through continuous rotatory movable vice cover according to the size of a dimension of steel pipe part, compare with current pipe wrench, easy operation and quick effective, and then the effectual centre gripping work efficiency who improves this self-adaptation shifting collar pipe wrench, and can not lead to its not hard up slipping or the problem that the card can't be taken out in the rotation because of the atress of activity spanner is too big, result of use and reliability are higher.
2. This can lock dead self-adaptation shifting collar pipe wrench, to the setting of locking piston inner structure and with the relation of hydraulic pressure chute opening position, when this self-adaptation shifting collar pipe wrench is at the steel pipe of centre gripping different model sizes, all can be when the locking piston moves the opening of automatic shutoff hydraulic pressure chute top to the highest position, for the steel pipe between fixed spanner and the activity spanner provides stable effectual clamping-force, has further improved this self-adaptation shifting collar pipe wrench's stability and reliability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the locking mechanism of the present invention;
FIG. 3 is an enlarged view of the point A in FIG. 2.
In the figure: 1. fixing a spanner; 2. a connecting clamping groove; 3. a movable spanner; 4. a sealing sleeve; 5. a movable connecting rod; 6. a hydraulic launder; 7. a locking mechanism; 71. a stopper piston; 72. a locking connecting rod; 73. a movable pressing plate; 74. a limiting spring; 8. connecting a clamping plate; 9. and locking the pull rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a lockable self-adaptive shifting wrench comprises a fixed wrench 1, a connecting clamping groove 2 and a movable wrench 3, wherein one side of the top end of the fixed wrench 1 is movably connected with the movable wrench 3 through the connecting clamping groove 2, one side of the top end of the fixed wrench 1 is fixedly provided with a sealing sleeve 4, one end of the movable wrench 3 is fixedly provided with a movable connecting rod 5, one end of the movable connecting rod 5 penetrates through and extends to the bottom of the inner cavity of the sealing sleeve 4 and is movably sleeved with the inner wall of the movable connecting rod 5, the middle part of the inner cavity of the movable connecting rod 5 is provided with a hydraulic flow groove 6, the top of the inner cavity of the sealing sleeve 4 is movably sleeved with a locking mechanism 7, and one end of the locking mechanism 7 is in transmission connection with a locking pull rod 9 which is pinned with the middle part of the.
In this technical scheme, locking mechanism 7 includes stop piston 71, the surface of stop piston 71 and the inner wall of sealing sleeve 4 and the top activity that is located movable connecting rod 5 are cup jointed, the position of stop piston 71 is located between two openings of hydraulic pressure chute 6, the right-hand member fixed mounting of stop piston 71 has locking connecting rod 72, the one end of locking connecting rod 72 runs through and extends to the outside of sealing sleeve 4 and with the one end pin joint of connecting cardboard 8, movable clamp plate 73 has been cup jointed in the bottom of locking connecting rod 72 surface and the activity that is located the inner chamber of sealing sleeve 4, the movable sleeve that just is located between movable clamp plate 73 and the inner wall of sealing sleeve 4 of the surface of locking connecting rod 72 is equipped with spacing spring 74.
After the locking pull rod 9 is completely straightened, the included angle between the connecting clamping plate 8 and the locking connecting rod 72 is larger than 180 degrees, so that the locking connecting rod 72 and the stop piston 71 are fixed in position in a self-locking mode, and the locking pull rod 9 is prevented from loosening under the condition of not receiving external force.
Wherein, to locking mechanical system 7's setting, cardboard 8 and locking pull rod 9 are connected in the cooperation, utilize the produced pressure of auto-lock to come the centre gripping steel pipe, and no matter what size the steel pipe part of centre gripping all with locking pull rod 9 flare-ups that makes progress, and no longer need adjust its opening size through continuous rotatory movable tong cover according to the size of steel pipe part, easy operation, quick effective, and then the effectual centre gripping work efficiency who improves this self-adaptation loop pipe wrench.
In the technical scheme, hydraulic transmission oil is arranged in an inner cavity formed between the movable pressure plate 73 and the stop piston 71 and an inner cavity formed between the stop piston 71 and the movable connecting rod 5, and the two inner cavities in the sealing sleeve 4 are communicated with each other through a hydraulic flow groove 6.
Wherein, to the setting of two sets of inner chambers and intercommunication each other in the sealing sleeve 4 to utilize hydraulic drive's mode to extrude sealing sleeve 4 through movable connecting rod 5, thereby realize the centre gripping action to steel pipe class part, and then effectually avoided when adopting movable pincers cover to adjust centre gripping steel pipe part, the inefficiency that appears, the problem of the phenomenon of skidding easily appears becoming flexible.
In the technical scheme, the highest position of the upward movement of the stop piston 71 is just at the position of the opening above the hydraulic flow groove 6, and the highest position of the upward movement of the movable connecting rod 5 is always below the position of the opening below the hydraulic flow groove 6.
The arrangement between the opening above the hydraulic flow groove 6 and the position of the stop piston 71 ensures that when the stop piston 71 moves upwards to the maximum position, hydraulic transmission oil can be automatically blocked to realize the clamping operation of steel pipe parts, so that the steel pipe parts are not easy to loosen in the process of stress;
and for the setting between the opening below the hydraulic pressure launder 6 and the position of the movable connecting rod 5, the pipe wrench can effectively ensure that when the pipe wrench is in the maximum clamping range, the movable connecting rod 5 cannot block the opening below the hydraulic pressure launder 6 because of the overlarge moving range of the movable connecting rod 5, so that hydraulic transmission oil cannot provide effective pressure to clamp the steel pipe component.
The use method and the working principle of the embodiment are as follows:
firstly, downwards pulling a locking pull rod 9, under the linkage action of a connecting clamping plate 8, keeping a loose state between a locking piston 71 and a locking connecting rod 72, then clamping a fixed wrench 1 and a movable wrench 3 on the surface of a steel pipe part, then upwards pulling the locking pull rod 9, enabling the locking piston 71 to upwards move under the transmission action of the connecting clamping plate 8 and the locking connecting rod 72, simultaneously enabling hydraulic transmission in inner cavities of the locking piston 71 and the movable platen 73 to flow to an inner cavity between the locking piston 71 and the movable connecting rod 5 along a hydraulic flow groove 6 under the elastic action of a movable platen 73 and a limiting spring 74, further driving the movable wrench 3 to downwards move under the transmission action of the movable connecting rod 5, and when the movable wrench 3 moves for a certain displacement and clamps a steel pipe, hydraulic pressure in the inner cavities of the locking piston 71 and the movable platen 73 can not continuously flow to the inner cavity between the locking piston 71 and the movable connecting rod 5, the movable pressing plate 73 is pressed upwards to compress the limiting spring 74, when the locking pull rod 9 is pulled to the maximum position, the locking piston 71 moves to the highest position along with the locking pull rod, and the opening above the hydraulic flow groove 6 is blocked, so that the hydraulic oil in the inner cavities of the locking piston 71 and the movable connecting rod 5 is sealed and blocked and can not move, meanwhile, the fixed wrench 1 and the movable wrench 3 can stably clamp the steel pipe, no matter how large the size of the clamped steel pipe is, the locking pull rod 9 only needs to be pulled upwards to the maximum position, when the outer diameter of the clamped steel pipe is larger, the hydraulic oil flowing to the inner cavities of the locking piston 71 and the movable connecting rod 5 is less, when the outer diameter of the clamped steel pipe is smaller, the hydraulic oil flowing to the inner cavities of the locking piston 71 and the movable connecting rod 5 is more, and the opening size between the movable wrench 3 and the fixed wrench 1 is controlled by the flowing amount of the hydraulic, and further, the problem that when the movable clamp sleeve is adopted for clamping, when steel pipes with different sizes are faced, the movable clamp sleeve needs to be rotated for a long time, and the clamping efficiency is low is solved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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. The utility model provides a can lock dead self-adaptation shifting collar pipe wrench, includes fixed spanner (1), connecting groove (2) and activity spanner (3), there is activity spanner (3), its characterized in that one side on fixed spanner (1) top through connecting groove (2) swing joint: one side fixed mounting on fixed spanner (1) top has sealed sleeve (4), the one end fixed mounting of activity spanner (3) has movable connecting rod (5), the one end of movable connecting rod (5) runs through and extends to the bottom of sealed sleeve (4) inner chamber and cup joints with the inner wall activity of movable connecting rod (5), the middle part of movable connecting rod (5) inner chamber is equipped with hydraulic pressure chute (6), locking mechanism (7) have been cup jointed in the top activity of sealed sleeve (4) inner chamber, and the one end of locking mechanism (7) is connected at the locking pull rod (9) transmission of fixed spanner (1) top middle part through connecting cardboard (8) and pin joint.
2. A lockable, self-adapting, pipe wrench as defined in claim 1, further comprising: locking mechanism (7) are including locking piston (71), the surface of locking piston (71) and the inner wall of sealing sleeve (4) and the top activity that is located movable connecting rod (5) are cup jointed, the position of locking piston (71) is located between two openings of hydraulic pressure chute (6), the right-hand member fixed mounting of locking piston (71) has locking connecting rod (72), the one end of locking connecting rod (72) is run through and is extended to the outside of sealing sleeve (4) and with the one end pin joint of being connected cardboard (8), the bottom of locking connecting rod (72) surface just is located the inner chamber activity of sealing sleeve (4) and has been cup jointed movable pressing plate (73), the surface of locking connecting rod (72) just is located movable pressing plate (73) and is equipped with spacing spring (74) with the activity cover between the inner wall of sealing sleeve (4).
3. A lockable, self-adapting, pipe wrench as defined in claim 2, further comprising: hydraulic transmission oil is arranged in an inner cavity formed between the movable pressure plate (73) and the stop piston (71) and an inner cavity formed between the stop piston (71) and the movable connecting rod (5), and the two inner cavities in the sealing sleeve (4) are communicated with each other through a hydraulic flow groove (6).
4. A lockable, self-adapting, pipe wrench as defined in claim 2, further comprising: the highest position of the upward movement of the stop piston (71) is just at the position of an opening above the hydraulic flow groove (6), and the highest position of the upward movement of the movable connecting rod (5) is always below the position of the opening below the hydraulic flow groove (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010493513.6A CN111745579B (en) | 2020-06-03 | 2020-06-03 | Self-adaptive adjustable pipe wrench capable of locking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010493513.6A CN111745579B (en) | 2020-06-03 | 2020-06-03 | Self-adaptive adjustable pipe wrench capable of locking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111745579A true CN111745579A (en) | 2020-10-09 |
| CN111745579B CN111745579B (en) | 2022-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010493513.6A Active CN111745579B (en) | 2020-06-03 | 2020-06-03 | Self-adaptive adjustable pipe wrench capable of locking |
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| Country | Link |
|---|---|
| CN (1) | CN111745579B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090125581A (en) * | 2008-06-02 | 2009-12-07 | 윤광석 | Socket wrench |
| CN105583762A (en) * | 2016-02-25 | 2016-05-18 | 中山诺顿科研技术服务有限公司 | Portable multifunctional wrench device |
| CN108942758A (en) * | 2018-08-14 | 2018-12-07 | 常州信息职业技术学院 | Anti-shift spanner |
-
2020
- 2020-06-03 CN CN202010493513.6A patent/CN111745579B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090125581A (en) * | 2008-06-02 | 2009-12-07 | 윤광석 | Socket wrench |
| CN105583762A (en) * | 2016-02-25 | 2016-05-18 | 中山诺顿科研技术服务有限公司 | Portable multifunctional wrench device |
| CN108942758A (en) * | 2018-08-14 | 2018-12-07 | 常州信息职业技术学院 | Anti-shift spanner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111745579B (en) | 2022-09-09 |
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Effective date of registration: 20220819 Address after: No. 71-12, Dandong Road, High-tech Industrial Development Zone, Weihai City, Shandong Province, 264200 Applicant after: Weihai Jinde Tools Co.,Ltd. Address before: 230031 Xindi center at the intersection of Qimen road and Qianshan Road, Hefei government district, Anhui Province 1604-1608 Applicant before: Hefei Zuoxin Technology Co.,Ltd. |
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