CN2728716Y - Pliers - Google Patents
Pliers Download PDFInfo
- Publication number
- CN2728716Y CN2728716Y CN 200420081306 CN200420081306U CN2728716Y CN 2728716 Y CN2728716 Y CN 2728716Y CN 200420081306 CN200420081306 CN 200420081306 CN 200420081306 U CN200420081306 U CN 200420081306U CN 2728716 Y CN2728716 Y CN 2728716Y
- Authority
- CN
- China
- Prior art keywords
- pliers
- pincers handle
- tong arm
- movable
- extension spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The utility model discloses powerful pliers, comprising the handles of the pliers, the fixed arms of the pliers, and the movable arms of the pliers. The handles of the pliers are fixedly connected with the fixed arms of the pliers, and the movable arms of the pliers are fixedly connected with the fixed arms of the pliers via a pin shaft. The handles of the pliers are provided with cavities inside, and the cavities are provided with tension springs; the tension springs are connected with the handles of the pliers and the movable arms of the pliers, and the handles of the pliers provided with a lever member via the pin shaft. The front side of the lever member is in the shape of an arc and is contacted with one end of the movable arms of the pliers, and the cavities of the handles of the pliers are respectively provided with one screw rod. The front end of the screw rod is connected with a movable block, and the front end of the movable block is contacted with one end of the lever member. An elastic element is provided between one end of the movable arms of the pliers and one end of the lever member, and the handles of the pliers are respectively provided with a linear type groove. The front end of the groove is positioned in the rotating travel of the lever member, and the groove is provided with a positioning pin. The utility model can lock and unlock the movable arms of the pliers via the lever member, and further the utility model can lock the lever member via the positioning pin. A user can lose hold of the powerful pliers for keeping the clamping of the pliers when an article is clamped; the opening of the pliers can be automatically unclamped via the elastic element.
Description
Technical field:
The utility model relates to mechanical field, relates in particular to hand tools, and particularly a kind of clamping device specifically is a kind of locking pliers.
Background technology:
In the prior art, connect and compose by bearing pin by upper and lower two tong arms with locking pliers by hand, and utilize an extension spring to drive tong arm, when needs unclamp pliers, need discharge extension spring with the another hand, and when gripping objects, need to increase curable grip could realize pressurization, so use inconvenient.
Summary of the invention:
Technical problem of the prior art to be solved in the utility model is: because in the prior art, connect and compose by bearing pin by upper and lower two tong arms with locking pliers by hand, and utilize an extension spring to drive tong arm, when needs unclamp pliers, need discharge extension spring with the another hand, and when gripping objects, need to increase curable grip could realize pressurization, so use inconvenient.
The utility model is that the technical scheme that solution above-mentioned technical problem of the prior art is adopted provides a kind of locking pliers, described this locking pliers is by one first pincers handle, one second pincers handle, one fixedly the movable tong arm of tong arm and constitute, wherein, the described first pincers handle is fixedlyed connected with described fixedly tong arm, described movable tong arm is connected with described fixedly tong arm by one first bearing pin, the described second pincers handle is fixedlyed connected with the described first pincers handle, be respectively arranged with jaw in described fixedly tong arm and the movable tong arm, be provided with cavity in the described first pincers handle, be provided with an extension spring in the described cavity, one end of described extension spring is connected with the described first pincers handle, the other end of described extension spring is connected with an end of described movable tong arm, be provided with a leverage component by one second bearing pin on the described first pincers handle or the second pincers handle, the front side of described leverage component is curved and contact with an end of described movable tong arm, be provided with a screw rod in the cavity of the described first pincers handle, described screw rod is located in the interior rib-loop seat, the rib-loop seat is fixedly installed in the described first pincers handle in described, the rear end of described screw rod passes the rear end of the described first pincers handle and is connected with a knob, the front end of described screw rod is connected with a movable block, the front end of described movable block contacts with an end of described leverage component, be provided with a flexible member between one end of described movable tong arm and described leverage component, be provided with cavity in the front end of the described second pincers handle, the other end of described leverage component is arranged in the front end cavity of the described second pincers handle, front end at the described second pincers handle is provided with a linear pattern groove, the front end of described linear pattern groove is arranged in the rotating distance of the other end of described leverage component around described second bearing pin, is provided with an alignment pin in the described linear pattern groove.
Further, an end of described movable tong arm is provided with an extension spring connecting rod, and the other end of described extension spring is connected with described extension spring connecting rod.
Further, described flexible member is made of the other end extension and the bending of described extension spring, and an end of described flexible member is connected with described movable tong arm, an end in contact of the other end of described flexible member and described leverage component.
Further, the outside of the described first pincers handle and the second pincers handle is respectively arranged with sheath.
Further, the front side of described leverage component is provided with castellated edge, and an end of described movable tong arm is provided with projection, and described projection matches with described castellated edge.
The course of work of the present utility model is: during the clamping object, leverage component is stuck between movable tong arm and the movable block, movable tong arm is fixed, regulate the longitudinal separation of movable block by screw rod, can change activity tong arm and fixing jaw opening angle and the pressure between the tong arm, the other end of presses lever member, movable tong arm is opened under the extension spring effect, after the clamping object, alignment pin is shifted onto the front end of linear pattern groove, the moving of the other end that can stop leverage component, thereby locking activity tong arm.
The utility model and prior art contrast, and its effect is actively with tangible.The utility model locks and the releasing activity tong arm by leverage component, and comes further locking lever member by alignment pin, keeps so not only can loose one's grip when the clamping object clamping, and also can unclamp jaw automatically by flexible member simultaneously.The utility model is rational in infrastructure, and is safe and reliable, brought very big convenience for handwork person.
Description of drawings:
Fig. 1 is the structural representation of locking pliers of the present utility model.
The specific embodiment:
As shown in Figure 1, locking pliers of the present utility model, by one first pincers handle 4, one second pincers handle 10, one fixedly the movable tong arm 5 of tong arm 8 and constitute, wherein, the described first pincers handle 4 is fixedlyed connected with described fixedly tong arm 8, described movable tong arm 5 is connected with described fixedly tong arm 8 by one first bearing pin 12, the described second pincers handle 10 is fixedlyed connected with the described first pincers handle 4, be respectively arranged with upper jaw 6 and lower jaw 7 in described fixedly tong arm 8 and the movable tong arm 5, be provided with cavity in the described first pincers handle 4, be provided with an extension spring 3 in the described cavity, one end of described extension spring 3 is connected with the described first pincers handle 4, the other end of described extension spring 3 is connected with an end of described movable tong arm 5, be provided with a leverage component 9 by one second bearing pin 13 on the described first pincers handle 4 or the second pincers handle 10, the front side of described leverage component 9 is curved and contact with an end of described movable tong arm 5, be provided with a screw rod 14 in the cavity of the described first pincers handle 4, described screw rod 14 is located in the interior rib-loop seat 15, rib-loop seat 15 is fixedly installed in the described first pincers handle 4 in described, the rear end of described screw rod 14 passes the rear end of the described first pincers handle 4 and is connected with a knob, the front end of described screw rod 14 is connected with a movable block 16, the front end of described movable block 16 contacts with an end of described leverage component 9, be provided with a flexible member between one end of described movable tong arm 5 and described leverage component 9, be provided with cavity in the front end of the described second pincers handle 10, the other end of described leverage component 9 is arranged in the front end cavity of the described second pincers handle 10, front end at the described second pincers handle 10 is provided with a linear pattern groove, the front end of described linear pattern groove is arranged in the rotating distance of the other end of described leverage component 9 around described second bearing pin 13, is provided with an alignment pin 11 in the described linear pattern groove.
Further, an end of described movable tong arm 5 is provided with an extension spring connecting rod, and the other end of described extension spring 3 is connected with described extension spring connecting rod.
Further, described flexible member is made of the other end extension and the bending of described extension spring 3, and an end of described flexible member is connected an end in contact of the other end of described flexible member and described leverage component 9 with described movable tong arm 5.
Further, the outside of the described first pincers handle 4 and the second pincers handle 10 is respectively arranged with sheath 1 and sheath 2.
Further, the front side of described leverage component 9 is provided with castellated edge, and an end of described movable tong arm 5 is provided with projection 17, and described projection 17 matches with described castellated edge.
Claims (5)
1. locking pliers, by one first pincers handle, one second pincers handle, one fixedly the movable tong arm of tong arm and constitute, it is characterized in that: the described first pincers handle is fixedlyed connected with described fixedly tong arm, described movable tong arm is connected with described fixedly tong arm by one first bearing pin, the described second pincers handle is fixedlyed connected with the described first pincers handle, be respectively arranged with jaw in described fixedly tong arm and the movable tong arm, be provided with cavity in the described first pincers handle, be provided with an extension spring in the described cavity, one end of described extension spring is connected with the described first pincers handle, the other end of described extension spring is connected with an end of described movable tong arm, be provided with a leverage component by one second bearing pin on the described first pincers handle or the second pincers handle, the front side of described leverage component is curved and contact with an end of described movable tong arm, be provided with a screw rod in the cavity of the described first pincers handle, described screw rod is located in the interior rib-loop seat, the rib-loop seat is fixedly installed in the described first pincers handle in described, the rear end of described screw rod passes the rear end of the described first pincers handle and is connected with a knob, the front end of described screw rod is connected with a movable block, the front end of described movable block contacts with an end of described leverage component, be provided with a flexible member between one end of described movable tong arm and described leverage component, be provided with cavity in the front end of the described second pincers handle, the other end of described leverage component is arranged in the front end cavity of the described second pincers handle, front end at the described second pincers handle is provided with a linear pattern groove, the front end of described linear pattern groove is arranged in the rotating distance of the other end of described leverage component around described second bearing pin, is provided with an alignment pin in the described linear pattern groove.
2. locking pliers as claimed in claim 1 is characterized in that: an end of described movable tong arm is provided with an extension spring connecting rod, and the other end of described extension spring is connected with described extension spring connecting rod.
3. locking pliers as claimed in claim 1, it is characterized in that: described flexible member is made of the other end extension and the bending of described extension spring, one end of described flexible member is connected with described movable tong arm, an end in contact of the other end of described flexible member and described leverage component.
4. locking pliers as claimed in claim 1 is characterized in that: the outside of the described first pincers handle and the second pincers handle is respectively arranged with sheath.
5. locking pliers as claimed in claim 1 is characterized in that: the front side of described leverage component is provided with castellated edge, and an end of described movable tong arm is provided with projection, and described projection matches with described castellated edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420081306 CN2728716Y (en) | 2004-07-30 | 2004-07-30 | Pliers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420081306 CN2728716Y (en) | 2004-07-30 | 2004-07-30 | Pliers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2728716Y true CN2728716Y (en) | 2005-09-28 |
Family
ID=35047499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420081306 Expired - Fee Related CN2728716Y (en) | 2004-07-30 | 2004-07-30 | Pliers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2728716Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913126A (en) * | 2009-03-02 | 2010-12-15 | 欧文工业器械公司 | The singlehanded locking pliers of adjusting |
-
2004
- 2004-07-30 CN CN 200420081306 patent/CN2728716Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913126A (en) * | 2009-03-02 | 2010-12-15 | 欧文工业器械公司 | The singlehanded locking pliers of adjusting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2430252Y (en) | Rotary positioner for opener handle | |
| US6585243B1 (en) | Quick-action bar clamp | |
| CA2263471A1 (en) | Three-way spring clamp | |
| CN203390768U (en) | Pliers capable of fixing jaw size | |
| CN212666065U (en) | Mechanical arm for die-casting island | |
| US8960057B2 (en) | C-type pliers | |
| CN2728716Y (en) | Pliers | |
| CN201033416Y (en) | Large vice with narrow and long lever | |
| CN2790679Y (en) | Rapid-locking water pump pliers | |
| CN102941548A (en) | Simple clamping device | |
| CN200957556Y (en) | Multifunctional lengthened arm | |
| CN2894945Y (en) | Improved strong tongs | |
| WO2012036596A1 (en) | Clamping tool and method of dismounting or mounting a jaw or a jaw support | |
| CN2801398Y (en) | Self-locking type pliers with driving device | |
| CN207788709U (en) | A kind of molecular biology experiment tweezers | |
| CN202934470U (en) | Rapid changing jaw vices | |
| CN111604828B (en) | Variable five metals pliers of thick stick stroke is realized in many states regulation | |
| CN212527407U (en) | Hand tool structure | |
| CN2710836Y (en) | Two direction clamp | |
| CN1669741A (en) | Quick-locking water pump pliers | |
| CN217751481U (en) | Robot grabbing mechanism based on 3D vision guiding | |
| CN212527404U (en) | Portable sharp-nose pliers | |
| CN212044296U (en) | Simple F clamp | |
| CN211916864U (en) | Double-station clamping hand grab | |
| CN207971851U (en) | A kind of labor-saving plier based on slider-crank mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050928 Termination date: 20130730 |