CN110102649A - A kind of radial closing-in structure and pistol type closing in pincers suitable for materials in the tube - Google Patents
A kind of radial closing-in structure and pistol type closing in pincers suitable for materials in the tube Download PDFInfo
- Publication number
- CN110102649A CN110102649A CN201910490622.XA CN201910490622A CN110102649A CN 110102649 A CN110102649 A CN 110102649A CN 201910490622 A CN201910490622 A CN 201910490622A CN 110102649 A CN110102649 A CN 110102649A
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- Prior art keywords
- lever
- materials
- tong arm
- tube
- closing
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- 239000000463 material Substances 0.000 title claims abstract description 34
- 210000000080 chela (arthropods) Anatomy 0.000 title claims description 11
- 238000003756 stirring Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 11
- 230000008859 change Effects 0.000 description 7
- 230000001360 synchronised effect Effects 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 230000002146 bilateral effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- PTVDYARBVCBHSL-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu] PTVDYARBVCBHSL-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Surgical Instruments (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a kind of radial closing-in structures suitable for materials in the tube, comprising: using pivot as the tong arm of the centre of gyration, extends jaw on tong arm；Tong arm, which pivots, to be made jaw clamp materials in the tube and allows materials in the tube that radial deformation occurs；The force side of tong arm, the first lever, the second lever, connecting rod are sequentially connected with abutting end articulated manner；The rotating fulcrum and pivot of first lever keep relatively fixed position relationship；Second lever rotates around it fulcrum and rotates and stir the first lever；First lever rotates around it fulcrum and rotates and stir tong arm；The within angle of hinged place is formed between second lever and connecting rod；The rotating fulcrum of second lever and the end of connecting rod realize the variation of within angle by cooperating on same screw rod.Reasonable in design, drive connection is clear, and transmission effect is ideal, and the small volume of structure, convenient for integrated；Be driven it is laborsaving, and without heavy-duty motor cooperate.
Description
Technical field
The present invention relates to field of power tools, especially a kind of radial closing-in structure and pistol type suitable for materials in the tube closes up
Pincers.
Background technique
It is well known that being largely related to materials in the tube product in our daily lifes.For example, the water pipe of lavatory, air-conditioning
Pressure pipe etc. in the return pipe of device, hydraulic device.It has largely appeared in around us, the life in us ceases manner of breathing
It closes.These materials in the tube parts or because of job requirement or use habit etc., with specific materials demand.For example, hydraulic device
In pressure pipe because pipeline move towards limit be highdensity rubber tube mostly；The return pipe of air conditioner is since it is desired that good heat conductive
Effect uses copper pipe；For life water pipe based on iron pipe, PP pipe, there are also increase the copper ion in water using copper water pipe to contain
Amount.
By taking copper water pipe as an example, pipeline is docked in laying or planning process.Materials in the tube in same pipeline are adopted
With same caliber, the sealing at identical caliber lower interface is docked then at the key of pipe laying.Pipe in the prior art
Mouth docking mostly uses greatly the connector of metric system, reaches criterion of acceptability by sealing, tensioner etc. mode.But the preparation of connector is then
Need bigger cost.
Therefore, a kind of sleeve member for being set with and being sealed tightening outside connector is had developed, the preparation cost of the accessory is low
It is honest and clean and easy for installation.It only needs in advance to expand a nozzle, nozzle will be docked and be packed into the nozzle expanded, interface is tightened
Place, interface installation set cylinder part simultaneously cooperate sealing material etc. and can realize docking.Currently there are a large amount of flarings to clamp,
Therefore " nozzle expansion " is more convenient.But since copper pipe is softer, when closing in, holds bad dynamics and direction will result in change
Shape.In current installation process, not only power assembling qualities are not high while the efficiency of installation is also low for most of closing ins by hand.Cause
This, it is anxious to it is a kind of not only can be easy to carry, but also the hand tools that can quickly and effectively close up occurs.
Summary of the invention
The technical scheme is that a kind of radial closing-in structure suitable for materials in the tube, comprising: the pincers in hook
Arm, one group of lever and link member.The front end of the tong arm extends jaw, and jaw is arc-shaped can be bonded by the outer of closing in materials in the tube
Shape.The rear end of tong arm is force side, and pivot is arranged between jaw and force side.When tong arm is turned by the centre of gyration of pivot
When dynamic, jaw can be subjected to displacement clockwise or counterclockwise, to reach the state of clamping and release.
The rotation of tong arm is then lever by being hinged and connecting rod to realize, specific structure is as follows:
The force side of tong arm, the first lever, the second lever, connecting rod are sequentially connected with abutting end articulated manner, and tong arm and first
The position of lever be it is relatively-stationary, i.e. the rotating fulcrum of the pivot of tong arm and the first lever is relatively-stationary.
It preferably, should further include a structure plates suitable for the radial closing-in structure of materials in the tube, the effect of the structural slab is
For fixing the pivot of tong arm and the rotating fulcrum spacing between the two of the first lever.
So to realize the hinged rotation of the first lever and tong arm, this spacing is just necessarily less than tong arm force side a and first
The sum of the length of lever front end b, while needing to reserve mobilizable size in the junction of the two.
Preferably, the guide groove extended along arm of force direction, the first lever are offered on the force side of tong arm
The articulated shaft of front end be then matched in the guide groove.When the first lever stirs tong arm rotation, the front end of the first lever is hinged
Axis can then slide in guide groove, to meet change in size demand.
One end of second lever and the first lever are hinged, and the other end is hinged with connecting rod.When the second lever rotates around it branch
When point rotation, the second lever then stirs the first lever and rotates.The rotation of second lever is then with connecting rod correspondingly, second
The within angle of hinged place is formed between lever and connecting rod.When the spacing between the rotating fulcrum of the second lever and the end of connecting rod becomes
When change, the second lever rotates around it fulcrum rotation, thus power successively special delivery to the first lever, tong arm, it is final drive tong arm around
It pivots.
Preferably, the second lever is bending-type lever, and its rotating fulcrum is located at bending part, and bending part is intended to interior
Side.Reach laborsaving purpose to optimize structure, the first lever is equidistant lever, i.e. the two sides arm of force is identical；And the second lever by
Force arm is greater than it and exports the arm of force, thus can obtain the larger defeated of its output end by the rotation of having lacked at the second lever stress end
Out.
Therefore, based on above-mentioned transmission principle.
Preferably, tong arm and the second lever rotation direction having the same.Since hinged sequence and lever shape all can
Transmission purpose is had an impact, therefore, transmission effect is finally determined with the rotary state of tong arm and the second lever.
Preferably, the folding condition variation of folding condition with jaw of within angle is identical.It is again based on drive connection
The considerations of, after the second lever has synchronous rotation state with tong arm, then the folding condition of jaw is then related within angle,
Gradually then big then jaw is gradually opened within angle, and vice versa.
So, the within angle reason of changes between the second lever and connecting rod is: the rotating fulcrum and connecting rod of the second lever
It is realized on same screw rod by cooperation end.
Preferably, the rotating fulcrum of the second lever, the end of connecting rod are hinged on different thread bush；Two thread bush
It is matched on screw rod, and the hand of spiral of two thread bush is opposite.Therefore, after lead screw rotates, two thread bush because
Opposite reversed movement then occurs for the different hand of spiral, so that within angle is changed.
Based on above-mentioned technical essential,
Preferably, including two tong arms, two the first levers, two the second levers, symmetrical structure composed by two connecting rods.
Corresponding then two jaws of two tong arms realize closure clamping, two the second levers, two connecting rods are corresponding can then be formed it is synchronous
Transmission.
Preferably, two the first levers are hinged on the first thread bush, and two the second levers are hinged to the second thread bush
On.Therefore, two connecting rods then form similar parallelogram articulated structure with the rear end of two second levers, by wherein
Another cornerwise associated change then may be implemented in one diagonal line variation.
Preferably, lead screw is located on the axial plane of symmetry.
A kind of pistol type closing in pincers integrated according to the above-mentioned radial closing-in structure suitable for materials in the tube, including a pistol
Type shell, motor.Motor, tong arm, the first lever, the second lever, connecting rod, screw rod, thread bush, structural slab etc. are mounted on pistol
In type shell.
Wherein, the shaft of screw rod and motor keeps transmission connection.Therefore, rotatory force is provided by motor, lead screw occurs to turn
It is dynamic, by connecting rod, the second lever, the first lever transmission after, tong arm obtains driving force, closes up so that jaw can be realized clamping
Movement.
Include holding part on gun type shell, start switch.It starts switch and provides enabling signal, motor is produced by control original part
Raw corresponding output.
Preferably, jaw is located at gun type shell exterior.
The invention has the advantages that
1, reasonable in design, drive connection is clear, and transmission effect is ideal, and the small volume of structure, convenient for integrated；Transmission
It is laborsaving, and cooperate without heavy-duty motor.
2, it safeguards and easy to maintenance, due to the kind of drive for having used lever hinged, convenient disassembly can be repaired in time
Reason.
3, portable construction, since drive mechanism is small and exquisite, it is the weight of motor mostly that finally formed pistol type, which closes up, which to clamp,
Therefore it uses and carries convenient for grip.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and embodiments:
Fig. 1 is the radial closing-in structure schematic diagram suitable for materials in the tube；
Fig. 2 is the radial closing-in structure maximum open structure graph suitable for materials in the tube；
Fig. 3 is the radial closing-in structure closing in structure graph suitable for materials in the tube；
Fig. 4 is the schematic diagram of pistol type closing in pincers；
Wherein: 1, jaw；11, pivot；2, tong arm；21, guide groove；3, the first lever；31, the first lever rotation fulcrum；4,
Two levers；41, the second lever rotation fulcrum；5, connecting rod；51, the first lever rotation fulcrum；6, structural slab；7, screw rod；8, pistol
Type shell；9, motor.
Specific embodiment
Embodiment 1:
As shown in Fig. 1, a kind of radial closing-in structure suitable for materials in the tube, the front end of tong arm are jaw 1, and jaw 1 is in semicircle
Shape.The rear end of tong arm 2 is its force side, and the guide groove 21 extended along arm of force direction, the first thick stick are offered on force side
The articulated shaft of the front end of bar 3 is then matched in the guide groove 21.Pivot 11 is set between jaw 1 and force side 2, when tong arm 2
With pivot 11 be the centre of gyration rotated when, jaw 1 can be subjected to displacement clockwise or counterclockwise, thus reach clamping and
The state of release.
First lever 3 is the equidistant arm of force, and the both ends arm of force is almost equal.The front end articulated shaft cooperation of first lever 3 is being led
Into slot 21, the rear hinged end of the first lever 3 is hinged to the second lever 4.
Second lever 4 is bending-type lever, and its rotating fulcrum is located at bending part, and bending part is intended to inside.Such as Fig. 1 institute
Show, the angle of 4 bending part of the second lever is 109 °.Reach laborsaving purpose simultaneously in order to optimize structure, the second lever 4 by force
Arm is greater than it and exports the arm of force, can thus pass through the larger output of 4 force side of the second lever lacked rotation and obtained its output end.
The rear end articulated shaft of second lever 4 is hinged to connecting rod 5, and therefore, the hinged place of the second lever 4 and connecting rod 5 is formed in one
Angle α.
Based on above-mentioned lever linkwork, it is directed to multiple hinge joints and balance pivot, different articulated manner and branch
Point fixed form determines different output effects.
In the present embodiment, the position of tong arm 2 and the first lever 3 is relatively-stationary, the i.e. pivot 11 and the first thick stick of tong arm 2
Bar rotating fulcrum 31 is relatively-stationary.Provided with a structure plates 6, the effect of the structural slab 6 is the pivot for fixing tong arm
The spacing of axis 11 and the first lever rotation fulcrum 31 between the two.
Within angle between second lever 4 and connecting rod 5 is by the second lever rotation fulcrum 41 and connecting rod end hinge joint 51
Between spacing variation determine, the second lever 4 rotate around it fulcrum rotation, therefore power successively special delivery to the first lever 3, pincers
Arm 2, it is final to drive the rotation of 2 around the pivot 11 of tong arm.
Based on above-mentioned transmission principle, so that it may which the clamping or release of optimized integration act.
Embodiment 2:
According to mechanical insight, jaw 1 can be divided into unilateral, bilateral symmetry formula, bilateral asymmetric.Bilateral symmetry formula again can be with
Specifically it is divided into single fulcrum and double fulcrums.It theoretically, is that may be implemented completely as long as based on the transmission principle in embodiment 1
State the pliers of case form.But need to consider structure optimization, good appearance, using effect etc. condition, therefore, in the present embodiment
Select the bilateral symmetry formula structure of double fulcrums.
Specific structure are as follows:
A kind of radial closing-in structure suitable for materials in the tube, including two the second levers 4, two of 3, two, the first lever of tong arm 2, two
Symmetrical structure composed by a connecting rod 5.Corresponding then two jaws 1 of two tong arms 2 realize closure clamping, two the second levers 4, two
A correspondence of connecting rod 5 can then form synchronous transmission.
Illustrate double fulcrum symmetrical structures in conjunction with Fig. 1, the hinged rotation of the first lever 3 and tong arm 2, this spacing is with regard to necessary
Need to reserve mobilizable ruler less than the sum of the length of tong arm force side a and the first lever front end b, while in the junction of the two
Very little i.e. guide groove 21.
When the first lever 3, which stirs tong arm 2, to be rotated, the front end articulated shaft of the first lever 3 can then slide in guide groove 21,
To meet change in size demand.
One end of second lever 4 and the first lever 3 are hinged, and the other end and connecting rod 5 are hinged.When the second lever 4 is around its turn
When activity supporting point rotates, the second lever 4 then stirs the first lever 3 and rotates.The rotation of second lever 4 is then corresponding to connecting rod 5
's.
So be based on symmetrical structure, the second lever 4 of two sides be it is synchronous, the connecting rods 5 of two sides is also synchronous.This reality
It applies in example, two the second lever rotation fulcrums 41 are hinged on same thread bush, and two connecting rod end hinge joints 51 are then hinges
It connects on another thread bush.Therefore, two connecting rods 5 then form similar parallel four side with the rear end of two second levers 4
Another cornerwise associated change then may be implemented by a wherein diagonal line variation in shape articulated structure.
Embodiment 3:
Based on above-mentioned two example, optimal fit system can be significantly obtained:
Tong arm 2 and the rotation direction having the same of the second lever 3.Since hinged sequence and lever shape can all produce transmission purpose
It is raw influence, therefore, transmission effect is finally determined with the rotary state of tong arm 2 and the second lever 3.
The folding condition of within angle α is identical as the folding condition variation of jaw 1.The considerations of being again based on drive connection,
After the second lever 4 has synchronous rotation state with tong arm 2, then the folding condition of jaw 1 is then related within angle α, it is interior
Gradually then big then jaw is gradually opened angle α, and vice versa.
So, the within angle α reason of changes between the second lever 4 and connecting rod 5 is: the second lever rotation fulcrum 41 and connecting rod
Terminal hinge point 51 realizes that lead screw 7 is located on the integrally-built axial plane of symmetry by cooperation on same screw rod 7.
Second lever rotation fulcrum 41, connecting rod end hinge joint 51 are hinged on different thread bush；Two thread bush are equal
It is matched on screw rod 7, and the hand of spiral of two thread bush is opposite.Therefore, after lead screw 7 rotates, two thread bush because
Opposite reversed movement then occurs for the different hand of spiral, so that within angle α is changed.In the present embodiment, such as Fig. 2
Shown, the maximum value of within angle α has been embodied on the angle between connecting rod 5 and screw rod 7, when the minimum value of the angle is 7.13 °,
The folding of jaw 1 reaches utmostly.α
Embodiment 4:
A kind of pistol type closing in pincers integrated according to the above-mentioned radial closing-in structure suitable for materials in the tube, including outside a gun type
Shell 8, motor 9.Motor 9, tong arm 2, the first lever 3, the second lever 4, connecting rod 5, screw rod 7, thread bush, structural slab 6 etc. are respectively mounted
In gun type shell 8, jaw 1 is then located at outside gun type shell 8.
Wherein, the shaft of screw rod 7 and motor 9 keeps being sequentially connected.Therefore, rotatory force is provided by motor 9, lead screw 7 is sent out
Raw rotation, by connecting rod 5, the second lever 4, the first lever 3 transmission after, tong arm 2 obtains driving force, so that jaw 1 can be real
Now clamp the movement of closing in.
Include holding part on gun type shell 8, start switch.It starts switch and provides enabling signal, motor is by control original part
Generate corresponding output.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any
Those skilled in the art all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.
Therefore, such as those of ordinary skill in the art without departing from revealed spirit of the invention under technical idea
All equivalent modifications completed or change should be covered by the claims of the present invention.
Claims (13)
1. a kind of radial closing-in structure suitable for materials in the tube, comprising: using pivot as the tong arm of the centre of gyration, extend pincers on tong arm
Mouthful；Tong arm, which pivots, to be made jaw clamp materials in the tube and allows materials in the tube that radial deformation occurs；It is characterized by:
The force side of the tong arm, the first lever, the second lever, connecting rod are sequentially connected with abutting end articulated manner；Described first
The rotating fulcrum of lever and the pivot keep relatively fixed position relationship；
Second lever rotates around it fulcrum and rotates and stir first lever；First lever rotates around it fulcrum and turns
It moves and stirs the tong arm；
The within angle of hinged place is formed between second lever and the connecting rod；The rotating fulcrum of second lever with it is described
The variation of the within angle is realized on same screw rod by cooperating in the end of connecting rod.
2. a kind of radial closing-in structure suitable for materials in the tube according to claim 1, it is characterised in that: the tong arm and institute
State the second lever rotation direction having the same.
3. a kind of radial closing-in structure suitable for materials in the tube according to claim 2, it is characterised in that: the within angle
Folding condition is identical as the folding condition variation of the jaw.
4. a kind of radial closing-in structure suitable for materials in the tube according to claim 3, it is characterised in that: second lever
Rotating fulcrum, the connecting rod end be hinged on different thread bush；Two thread bush are matched on the screw rod, and
The hand of spiral of two thread bush is opposite.
5. a kind of radial closing-in structure suitable for materials in the tube according to claim 1 or 4, it is characterised in that: the tong arm
Force side on be provided with the guide groove opened up along arm of force direction；The front end articulated shaft of first lever is snug fit at described
In guide groove.
6. a kind of radial closing-in structure suitable for materials in the tube according to claim 5, it is characterised in that: second lever
For bending-type lever, and the stress arm of force of the second lever is greater than its and exports the arm of force.
7. a kind of radial closing-in structure suitable for materials in the tube according to claim 6, it is characterised in that: clamped including two
Arm, two the first levers, two the second levers, symmetrical structure composed by two connecting rods.
8. a kind of radial closing-in structure suitable for materials in the tube according to claim 7, it is characterised in that: each tong arm is respectively set
The pivot is set to form double fulcrum structures.
9. a kind of radial closing-in structure suitable for materials in the tube according to claim 8, it is characterised in that: the lead screw is located at
On the axial plane of symmetry.
10. a kind of radial closing-in structure suitable for materials in the tube according to claim 9, it is characterised in that: two the first thick sticks
Bar is hinged on the first thread bush, and two the second levers are hinged on the second thread bush.
11. a kind of radial closing-in structure suitable for materials in the tube according to claim 10, it is characterised in that: further include to tie
Structure plate；The rotating fulcrum of the pivot and the first lever is fixed by the structural slab.
12. a kind of integrated suitable for the radial closing-in structure of materials in the tube according to any one of the claims 1 to 11
Pistol type close up pincers, it is characterised in that: including gun type shell, a motor；The motor, the radial closing-in structure are equal
It is installed in the gun type shell；The shaft of the screw rod and the motor keeps being sequentially connected；On the gun type shell
Including holding part, start switch.
The pincers 13. a kind of pistol type according to claim 12 closes up, it is characterised in that: the jaw is located at the gun type
Shell exterior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910490622.XA CN110102649B (en) | 2019-06-06 | 2019-06-06 | Radial binding off structure and pistol type binding off pincers suitable for pipe material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910490622.XA CN110102649B (en) | 2019-06-06 | 2019-06-06 | Radial binding off structure and pistol type binding off pincers suitable for pipe material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110102649A true CN110102649A (en) | 2019-08-09 |
| CN110102649B CN110102649B (en) | 2024-05-03 |
Family
ID=67494165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910490622.XA Active CN110102649B (en) | 2019-06-06 | 2019-06-06 | Radial binding off structure and pistol type binding off pincers suitable for pipe material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110102649B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2407881Y (en) * | 2000-01-19 | 2000-11-29 | 浙江铭仕管业有限公司 | hand hydraulic pipe clamping and pressing device |
| CN200945519Y (en) * | 2006-07-11 | 2007-09-12 | 王安基 | Forging clamp |
| TWM478586U (en) * | 2014-01-24 | 2014-05-21 | yin-hua Ye | Structure of electric cutting pliers |
| CN104438910A (en) * | 2014-12-11 | 2015-03-25 | 重庆欣欣向荣精细化工有限公司 | Steel pipe clamp |
| KR20160111682A (en) * | 2015-03-17 | 2016-09-27 | 김칠현 | Structure of clamp press for press jointing of press type metal pipe joint. |
| CN205914644U (en) * | 2015-12-31 | 2017-02-01 | 开封空分集团有限公司 | Aluminium system star pipe assembly crimping pinchers |
| CN210280430U (en) * | 2019-06-06 | 2020-04-10 | 苏州宇园机械有限公司 | Radial closing-up structure and pistol type closing-up pliers suitable for tube material |
-
2019
- 2019-06-06 CN CN201910490622.XA patent/CN110102649B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2407881Y (en) * | 2000-01-19 | 2000-11-29 | 浙江铭仕管业有限公司 | hand hydraulic pipe clamping and pressing device |
| CN200945519Y (en) * | 2006-07-11 | 2007-09-12 | 王安基 | Forging clamp |
| TWM478586U (en) * | 2014-01-24 | 2014-05-21 | yin-hua Ye | Structure of electric cutting pliers |
| CN104438910A (en) * | 2014-12-11 | 2015-03-25 | 重庆欣欣向荣精细化工有限公司 | Steel pipe clamp |
| KR20160111682A (en) * | 2015-03-17 | 2016-09-27 | 김칠현 | Structure of clamp press for press jointing of press type metal pipe joint. |
| CN205914644U (en) * | 2015-12-31 | 2017-02-01 | 开封空分集团有限公司 | Aluminium system star pipe assembly crimping pinchers |
| CN210280430U (en) * | 2019-06-06 | 2020-04-10 | 苏州宇园机械有限公司 | Radial closing-up structure and pistol type closing-up pliers suitable for tube material |
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| Publication number | Publication date |
|---|---|
| CN110102649B (en) | 2024-05-03 |
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