CN2894945Y - Improved strong tongs - Google Patents
Improved strong tongs Download PDFInfo
- Publication number
- CN2894945Y CN2894945Y CN 200620041865 CN200620041865U CN2894945Y CN 2894945 Y CN2894945 Y CN 2894945Y CN 200620041865 CN200620041865 CN 200620041865 CN 200620041865 U CN200620041865 U CN 200620041865U CN 2894945 Y CN2894945 Y CN 2894945Y
- Authority
- CN
- China
- Prior art keywords
- pincers handle
- tong arm
- leverage component
- extension spring
- cavity
- 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
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- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
An improved vise grip pliers which is composed of a fixed caliper yoke and a adjustable caliper yoke is provided; wherein the adjustable caliper yoke is connected with the fixed caliper yoke through a pin shaft, whereas the fixed caliper yoke and the adjustable caliper yoke are separately connected with a first and second pliers handles ; wherein the first pliers handle is provided with a cavity, and the cavity has a tension spring inside, wherein the tension spring is connected with the first pliers handle and the adjustable caliper yoke; the second pliers handle is provided with a lever member which contacts one end of the adjustable caliper yoke; and the cavity of the first pliers handle is provided with a screw stem which is connected with movable blocks at the front end, wherein the front end of the block contacts one end of the lever member; an elastic element is arranged between the adjustable caliper yoke and one end of the lever member; the second pliers handle is provided with a line groove within which is provided with a pin stop. The adjustable caliper yoke can be locked or released with the lever member, while the lever member can be locked with the pin stop; the first pliers handle is provided with a screw structure at the back end which can be used to adjust the dimension of the clamping work, and the back end of the lever member has a released button which can quickly release and clamp objects; and a safety catch is arranged between the release button and the second pliers handle so as to prevent the accidental toggle.
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 improved 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.For this reason, it is the utility application of the locking pliers of CN2728716 that the applicant has proposed notification number, this kind locking pliers is by a pincers handle, fixedly tong arm and movable tong arm constitute, the pincers handle is fixedlyed connected with fixing tong arm, movable tong arm is connected with fixing tong arm by bearing pin, establish cavity in the pincers handle, establish extension spring in the cavity, extension spring and pincers handle, movable tong arm connects, be provided with a leverage component by bearing pin on the pincers handle, the front side of leverage component is curved and contact with an end of movable tong arm, be provided with a screw rod in the pincers handle cavity, screw front end is connected with a movable block, the movable block front end contacts with leverage component one end, be provided with a flexible member between movable tong arm and leverage component one end, clamp the linear pattern groove that is provided with of handle, the front end of groove is arranged in the rotating distance of leverage component, be provided with an alignment pin in the groove, lock and the releasing activity tong arm by leverage component, come further locking lever member by alignment pin, not only can when the clamping object, loose one's grip and keep clamping, also can unclamp jaw automatically simultaneously by flexible member.But notification number is that the locking pliers of CN2728716 can not be adjusted folder neatly and advances working size, and the operation arm of force of leverage component is shorter, is difficult for quick lock in or release, and the operation arm of force of leverage component do not have locking mechanism, and unexpected easily the shake-up causes the accident.
Summary of the invention:
The purpose of this utility model provides a kind of improved locking pliers, described this improved locking pliers to solve locking pliers in the prior art use inconvenient, can not adjust folder flexibly and advance working size, be difficult for quick lock in or release, unexpectedly easily touch the technical problem that locking mechanism causes the accident.
This improved locking pliers of the present utility model 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 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, be provided with an alignment pin in the described linear pattern groove, described knob and first pincers handle the rear end between be connected by helicitic texture, the described first pincers handle and the second pincers handle are made of metal sheet respectively, described fixedly tong arm and movable tong arm are made of the forging and pressing metal sheet respectively, the rear end of described leverage component is connected with a release-push, described release-push is made of the extension of the rear end of leverage component, be provided with a safety fastener between the described release-push and the second pincers handle, described safety fastener is made of a supporting rod, one end of described supporting rod is connected with the second pincers handle by bearing pin, in the gap of the other end of supporting rod between the release-push and the second pincers handle.
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.Can regulate by the helicitic texture between the rear end of the knob and the first pincers handle and to be connected the relative distance that knob and first clamps handle, thereby the position of adjusting screw(rod) and movable block, realize that folder advances the adjustment of working size, the release-push that the leverage component rear end connects can discharge the clamping object fast, the safety fastener that is arranged in the gap between the release-push and the second pincers handle can prevent the unexpected release-push that touches, the first pincers handle, the second pincers handle, fixedly tong arm and movable tong arm are made of metal sheet, and be light firm.
The utility model and prior art contrast, and its effect is actively with tangible.The helicitic texture of the utility model between the rear end that is provided with the knob and the first pincers handle on the basis of CN2728716 locking pliers patent, can further realize pressing from both sides the into adjustment of working size, be provided with release-push in the leverage component rear end, can discharge the clamping object fast, between the release-push and the second pincers handle, safety fastener is set and prevents the unexpected release-push that touches, the first pincers handle, the second pincers handle, fixedly tong arm and movable tong arm adopt the metal sheet formation, and be light firm.Of the present utility model rational in infrastructure, safe and reliable, brought more convenience for handwork person.
Description of drawings:
Fig. 1 is the structural representation of improved locking pliers of the present utility model.
The specific embodiment:
As shown in Figure 1, improved 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 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 18, 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, be provided with an alignment pin 11 in the described linear pattern groove, described knob 18 and first pincers handle 4 the rear end between be connected by helicitic texture, the described first pincers handle 4 and the second pincers handle 10 are made of metal sheet respectively, described fixedly tong arm 8 and movable tong arm 5 are made of the forging and pressing metal sheet respectively, the rear end of described leverage component 9 is connected with a release-push 19, described release-push 19 is made of the extension of the rear end of leverage component 9, be provided with a safety fastener 20 between the described release-push 19 and the second pincers handle 10, described safety fastener 20 is made of a supporting rod, one end of described supporting rod is connected with the second pincers handle 10 by bearing pin, in the gap of the other end of supporting rod between the release-push 19 and the second pincers handle 10.
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. improved 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 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, be provided with an alignment pin in the described linear pattern groove, described knob and first pincers handle the rear end between be connected by helicitic texture, the described first pincers handle and the second pincers handle are made of metal sheet respectively, described fixedly tong arm and movable tong arm are made of the forging and pressing metal sheet respectively, the rear end of described leverage component is connected with a release-push, described release-push is made of the extension of the rear end of leverage component, be provided with a safety fastener between the described release-push and the second pincers handle, described safety fastener is made of a supporting rod, one end of described supporting rod is connected with the second pincers handle by bearing pin, in the gap of the other end of supporting rod between the release-push and the second pincers handle.
2. improved 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. improved 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. improved 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. improved 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 200620041865 CN2894945Y (en) | 2006-05-18 | 2006-05-18 | Improved strong tongs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620041865 CN2894945Y (en) | 2006-05-18 | 2006-05-18 | Improved strong tongs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2894945Y true CN2894945Y (en) | 2007-05-02 |
Family
ID=38064524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620041865 Expired - Fee Related CN2894945Y (en) | 2006-05-18 | 2006-05-18 | Improved strong tongs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2894945Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202022101923U1 (en) | 2021-04-13 | 2022-06-03 | Industrias Piqueras Sa | Pressure regulation mechanism and pliers supporting it |
| DE202023106419U1 (en) | 2022-11-10 | 2023-12-07 | Industrias Piqueras Sa | Tool with preset pressure |
-
2006
- 2006-05-18 CN CN 200620041865 patent/CN2894945Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202022101923U1 (en) | 2021-04-13 | 2022-06-03 | Industrias Piqueras Sa | Pressure regulation mechanism and pliers supporting it |
| DE202023106419U1 (en) | 2022-11-10 | 2023-12-07 | Industrias Piqueras Sa | Tool with preset pressure |
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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: 20070502 Termination date: 20130518 |