CN202780859U - Quick opening and closing bench clamp and quick slide meshing part - Google Patents
Quick opening and closing bench clamp and quick slide meshing part Download PDFInfo
- Publication number
- CN202780859U CN202780859U CN 201220266769 CN201220266769U CN202780859U CN 202780859 U CN202780859 U CN 202780859U CN 201220266769 CN201220266769 CN 201220266769 CN 201220266769 U CN201220266769 U CN 201220266769U CN 202780859 U CN202780859 U CN 202780859U
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- nut
- screw rod
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- agomphosis
- flat screw
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Abstract
The utility model relates to a quick opening and closing bench clamp which is used for mechanical clamping of a workpiece and a quick slide meshing part which is used for opening and closing a clamping mechanism quickly. A quick slide meshing structure of the quick slide meshing part comprises a moving rod which is provided with a flat screw and a tooth-removed nut which is matched with the flat screw. When a screw tooth of the flat screw moves to a position where the screw tooth of the flat screw is meshed with a screw tooth of the tooth-removed nut, the flat screw cannot move axially in the tooth-removed nut. When the screw tooth of the flat screw rotates to a position where the screw tooth of the flat screw is separated from the screw tooth of the tooth-removed nut and enters an absence part, the flat screw can slide axially in the tooth-removed nut. The quick opening and closing bench clamp and the quick slide meshing part have the advantages that the manufacturing process is greatly simplified so that manufacturing cost is greatly lowered; a force application nut and a force bearing screw are arranged outside a movable jaw, large-specification threads can be used according to needs, so that the degree of clamping force is improved; whether a quick slide state is achieve or not can be judged easily so that operation is convenient and reliable.
Description
Technical field
The present invention relates to for the quick slippage engaging member that workpiece is carried out the quickly opening and closing bench vice of mechanical grip and can be used for the quickly opening and closing clamp mechanism.
Background technology
The clamp mechanism of common bench vice, flat-nose pliers, G-shaped clamp pincers etc. generally includes movable jaw, fixed jaw, nut is set on the fixed jaw, the screw rod that cooperates with nut is set on the movable jaw, rotation advance and retreat by screw rod promote movable jaw advances or retreats, thereby deciliter realizes the purpose that clamps or unclamp gripped object with fixed jaw.In this structure, when the impulse stroke of screw rod is larger, need the more number of turns of rotation just can reach clamped position, thereby the operating time is long, operating efficiency is low.
In order to overcome the defects of common clamping structure, the technical scheme of more existing quick clamping mechanisms is improved said structure, to obtain higher operating efficiency.Such as patent documentation CN1984752A, CN201493775U, but the clamp mechanism of a class fast advance and retreat is all disclosed.But this type of mechanism arranges the structure of the similar square bar of fast advance and retreat in screw rod, and the square hole of the special construction cooperate with square bar is set at the screw rod center, so that square bar and nut can axially move freely, and when clamping work pieces, can bear chucking power in the opening and closing process.Although the quick clamping mechanism of said structure has improved operating efficiency to a certain extent, but still there is following problem:
1, in the Quick-clamped structure among the above-mentioned document CN1984752A, need to process the projection that axially spaced-apart arranges in square bar, center bore inner wall at nut processes the sunk part that axially spaced-apart arranges simultaneously, and its processing is unusually difficult, and manufacturing cost is high.
2, document CN201493775U forms the structure of similar special square bar by the square cam of multi-disc closed assembly, simultaneously by the axial locking plate of multi-disc closed assembly and radially locking plate form similar special square hole structure, CN1984752A compares with document, it has reduced the difficulty of processing that forms special square bar and square hole effectively, but the square cam of multi-sheet structure and locking plate process are still complicated, it is still lower to make efficient, and can produce larger accumulated error in the structure of multi-disc closed assembly, affect the quality of fit of parts and the reliability of action.
3, when the structure of above-mentioned document record is used for bench vice, because the nut that cooperates with screw rod is fixed on the fixed jaw, make guide shaft that nut can relatively move to inside groove within it and need on the movable jaw to arrange, like this, when adding the diameter specifications of big nut and screw rod because of the purpose that increases clamping force, will corresponding increase movable jaw and the volume of fixed jaw, to hold nut part, the volume of whole bench vice is increased, limited its scope of application.
4, in the structure of above-mentioned document record, since square bar and square hole just can relative fast moving when certain relative angular position, and this relative angular position there is no obvious location, but the sensation when needing the operator by operation in practical operation and examination operation judge whether to be positioned at the position of fast advance and retreat, have brought inconvenience to operation.
Summary of the invention
A technical problem to be solved in the utility model is, but quickly opening and closing is provided, and be easy to process, the quickly opening and closing bench vice of low cost of manufacture, convenient and reliable operation.
Another technical problem to be solved in the utility model is, the quick slippage occlusion structure that can be used for the quickly opening and closing clamp mechanism that provides a kind of axle, cover to cooperate, but make the axle that matches, be enclosed within the fast slide shifting state free axis to relatively moving, and under interlocking pattern, can bear axial chucking power; Simultaneously, can reduce the difficulty of processing of axle, cover.
Quickly opening and closing bench vice of the present utility model includes fixed jaw and the movable jaw that can relatively move forward and backward folding, has a fairlead on the described movable jaw, this fairlead is socketed in the neck of a carriage release lever, carriage release lever can be under the guiding of fairlead move forward and backward relative with movable jaw; The leading portion of described carriage release lever has one section stressed screw rod, cooperate on the stressed screw rod application of force nut is installed, application of force nut on stressed screw rod backward during precession the rear end face of application of force nut can apply axial compressive force to the front end face of fairlead; But the carriage release lever at the fairlead rear side is provided with the stop portion that the relative movable jaw of moving-limiting bar moves forward stroke; Also be fixed with a limited block that can rotate with carriage release lever on the described carriage release lever, a pair of confined planes on the matrix of limited block and movable jaw cooperates the rotational angle range with carriage release lever to be limited in 90 °; The back segment of described carriage release lever is one section flat screw rod, and described flat screw rod is to have on the externally threaded screw rod basis at one section, processes the longitudinally cutting face that a pair of angle position differs 180 ° at the external thread of screw face, and the thread of locating screw rod in the cutting face is cut removal; Described flat screw rod is through in the agomphosis nut, described agomphosis nut is on a nut basis with internal thread, process the longitudinally disappearance section that a pair of angle position differs 180 ° at the nut inner thread face, the thread of locating internal thread in disappearance section is cut removal; When the thread of flat screw rod turned to thread interlock with the agomphosis nut, above-mentioned limited block contacted spacing with a confined planes, and this moment, flat screw rod can not move axially in the agomphosis nut; When the thread of flat screw rod turns to when throwing off with the thread of agomphosis nut, above-mentioned limited block contacts spacing with another confined planes, and flat screw rod can endwisely slip in the agomphosis nut at this moment; Described agomphosis nut is installed on the fixed jaw.
Described application of force nut leading portion has one section socket section that is enclosed within on the carriage release lever, is provided with the elastic clamping pieces that can carry out to carriage release lever radially pressure holding in the socket section, can apply certain moment of torsion to carriage release lever when making application of force nut begin to rotate, and it is rotated to an angle.
Described agomphosis nut relatively fixed jaw moves forward and backward certain distance, and this segment distance is for the axial relative displacement of the thread interlock process that compensates flat screw rod and agomphosis nut.
Be lined with a wavy spring between the rear end face of described application of force nut and the front end face of fairlead, make in the thread interlock process of flat screw rod and agomphosis nut flat screw rod have one and move axially the space, with the axial relative displacement in the compensation interlock process.
Described flat screw rod is opposite with stressed screw flight rotation direction, with the axial relative displacement that produces in the thread interlock process of avoiding flat screw rod and agomphosis nut the precession generation of application of force nut is interfered.
Quick slippage occlusion structure of the present utility model comprises the carriage release lever with flat screw rod and the agomphosis nut that cooperates with flat screw rod; Described flat screw rod is to have on the externally threaded screw rod basis at one section, processes the longitudinally cutting face that a pair of angle position differs 180 ° at the external thread of screw face, and the thread of locating screw rod in the cutting face is cut removal; Described agomphosis nut is on a nut basis with internal thread, processes the longitudinally disappearance section that a pair of angle position differs 180 ° at the nut inner thread face, is cut removal at the thread of disappearance section place's internal thread; When the thread of flat screw rod turned to thread interlock with the agomphosis nut, flat screw rod can not move axially in the agomphosis nut; When the thread of flat screw rod turns to when throwing off with the thread of agomphosis nut and when entering disappearance section, flat screw rod can endwisely slip in the agomphosis nut.
Advantage applies of the present utility model exists:
1, flat screw rod and the agomphosis nut of the quick slippage engaging member of formation the utility model can form by simple machining on the basis of common screw and nut, and part is few, quick slippage engaging member in the relatively existing Quick-clamped structure, its manufacturing process is simplified greatly, thereby but the decrease manufacturing cost;
2, in the quickly opening and closing bench vice of the present utility model, be arranged on the movable jaw outside for the application of force nut and the stressed screw rod that apply clamping force, therefore its specification is not subjected to the restriction of movable jaw and fixed jaw inner space, thereby can adopt as required the screw thread of larger specification, to improve the clamping force grade;
3, quickly opening and closing bench vice of the present utility model is in operating process, can be spacing with contacting of confined planes by limited block, make operator clearly interlock or the disengaged position of the flat screw rod of perception and agomphosis nut, thereby can judge whether simply to be in the fast state of slippage, make more convenient to operate, reliable.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the structural representation of the utility model embodiment two;
Fig. 3 is the carriage release lever cross section structure for amplifying schematic diagram of limited block installation position among the utility model embodiment;
Fig. 4 is the cross section structure for amplifying schematic diagram of the flat screw rod under the fast slide shifting state and agomphosis nut among the utility model embodiment;
Fig. 5 is the cross section structure for amplifying schematic diagram of the flat screw rod under the interlocking pattern and agomphosis nut among the utility model embodiment.
Reference numeral is: the thread 042 of the thread 035 of fixed jaw 01, mounting hole 011, movable jaw 02, fairlead 021, confined planes 022, carriage release lever 03, stressed screw rod 031, limited block 032, flat screw rod 033, cutting face 034, flat screw rod, stop portion 036, agomphosis nut 04, disappearance section 041, agomphosis nut, application of force nut 05, socket section 051, elastic clamping pieces 052, bolt 06, wavy spring 07.
The specific embodiment
Embodiment one:
As shown in Figure 1, the quickly opening and closing bench vice of enforcement one includes fixed jaw 01 and the movable jaw 02 that can relatively move forward and backward folding, has a fairlead 021 on the described movable jaw 02, this fairlead is socketed in the neck of a carriage release lever 03, carriage release lever 03 can be under the guiding of fairlead 021 move forward and backward relative with movable jaw; The leading portion of carriage release lever 03 has one section stressed screw rod 031, cooperate on the stressed screw rod application of force nut 05 is installed, application of force nut 05 on stressed screw rod 031 backward during precession the rear end face of application of force nut 05 can apply axial compressive force to the front end face of fairlead 021; But the carriage release lever 03 at fairlead 021 rear side is provided with the stop portion 036 that the relative movable jaw of moving-limiting bar moves forward stroke; Also be fixed with a limited block 032 that can rotate with carriage release lever on the described carriage release lever, a pair of confined planes 022 on the matrix of limited block 032 and movable jaw 02 cooperates the rotational angle range with carriage release lever to be limited in 90 °; The back segment of carriage release lever 03 is one section flat screw rod 033, flat screw rod 033 is to have on the externally threaded screw rod basis at one section, process the longitudinally cutting face 034 that a pair of angle position differs 180 ° at the external thread of screw face, the thread of locating screw rod in the cutting face is cut removal; Described flat screw rod 033 is through in the agomphosis nut 04, agomphosis nut 04 is on a nut basis with internal thread, process the longitudinally disappearance section 041 that a pair of angle position differs 180 ° at the nut inner thread face, the thread of locating internal thread in disappearance section is cut removal.When the thread 035 of flat screw rod turns to thread 042 interlock with the agomphosis nut (as shown in Figure 5 position), limited block 032 contacts spacing (referring to Fig. 3) with a confined planes 022, and this moment, flat screw rod 033 can not move axially in agomphosis nut 04; When the thread 035 of flat screw rod turns to (as shown in Figure 4 position) when throwing off with the thread 042 of agomphosis nut, above-mentioned limited block contacts spacing with another confined planes, and flat screw rod 033 can endwisely slip in agomphosis nut 04 at this moment; Agomphosis nut 04 is installed on the fixed jaw 01.Application of force nut 05 leading portion has one section socket section 051 that is enclosed within on the carriage release lever 03, be provided with the elastic clamping pieces 052 that can carry out to carriage release lever radially pressure holding in the socket section 051, can apply certain moment of torsion to carriage release lever 03 when making application of force nut 05 begin to rotate, it is rotated to an angle.
In the present embodiment, for the axial relative displacement in the thread interlock process that compensates flat screw rod 033 and agomphosis nut 04, but make relative displacement one segment distance between agomphosis nut 04 and the fixed jaw 01.Structure embodiment illustrated in fig. 1 is to make the bolt 06 that is connected on the agomphosis nut 04 pass mounting hole 011 on the fixed jaw 01, thus make agomphosis nut 04 can be in the spacing scope of mounting hole 011 relatively fixed jaw 01 move forward and backward.In the present embodiment because every section thread length of agomphosis nut is 1/4th of individual pen thread, but so the scope of relative displacement between agomphosis nut and the fixed jaw be 1/4th pitch.
Embodiment two:
As shown in Figure 2, embodiment two with the difference of embodiment one is, between agomphosis nut 04 and the fixed jaw 01 fixed installation and can not relatively move, but between the front end face of the rear end face of application of force nut 05 and fairlead 021, be lined with a wavy spring 07, make in the thread interlock process of flat screw rod 033 and agomphosis nut 04 flat screw rod have one and move axially the space, with the axial relative displacement in the compensation interlock process.
The course of work of the embodiment of the invention is as follows:
One, when wanting holding workpiece, by handle elder generation backward rotation application of force nut 05, by frictional force or the elastic clamping pieces between application of force nut 05 and the carriage release lever 03, make carriage release lever 03 backward rotation certain angle, the thread 035 of flat screw rod is turned to throw off with the thread 042 of agomphosis nut and arrive the disappearance 041(of section state shown in Figure 4), this moment carriage release lever move axially unrestrictedly, can promote carriage release lever 03 and drive movable jaw 02 rapidly near workpiece; Behind the jaws contact workpiece of movable jaw, be rotated in the forward application of force nut 05, drive flat screw rod 033 and turn over certain angle, make the thread 035 of flat screw rod turn to thread 042 phase interlock (state shown in Figure 5) with the agomphosis nut, this moment, carriage release lever can't move axially, thereby application of force nut 05 can exert pressure to movable jaw in the precession process, thereby with Workpiece clamping.
Two, in the time will unclamping workpiece, backward rotation application of force nut 05, again the thread 035 of flat screw rod is turned to and throw off with the thread 042 of agomphosis nut and arrive the disappearance 041(of section state shown in Figure 4), this moment carriage release lever 03 move axially unrestrictedly, can spur carriage release lever 03 and drive movable jaw 02 workpiece that speeds away.
Claims (6)
1. quickly opening and closing bench vice, include fixed jaw (01) and the movable jaw (02) that can relatively move forward and backward folding, it is characterized in that: have a fairlead (021) on the described movable jaw (02), this fairlead is socketed in the neck of a carriage release lever (03), carriage release lever (03) can be under the guiding of fairlead (021) move forward and backward relative with movable jaw; The leading portion of carriage release lever (03) has one section stressed screw rod (031), cooperate on the stressed screw rod application of force nut (05) is installed, application of force nut (05) on stressed screw rod (031) backward during precession the rear end face of application of force nut (05) can apply axial compressive force to the front end face of fairlead (021); At the carriage release lever (03) of fairlead (021) rear side but be provided with the stop portion (036) that the relative movable jaw of moving-limiting bar moves forward stroke; Also be fixed with a limited block (032) that can rotate with carriage release lever on the described carriage release lever, a pair of confined planes (022) on the matrix of limited block (032) and movable jaw (02) cooperates the rotational angle range with carriage release lever to be limited in 90 °; The back segment of carriage release lever (03) is one section flat screw rod (033), flat screw rod (033) is to have on the externally threaded screw rod basis at one section, process the longitudinally cutting face (034) that a pair of angle position differs 180 ° at the external thread of screw face, the thread of locating screw rod in the cutting face is cut removal; Described flat screw rod (033) is through in the agomphosis nut (04), agomphosis nut (04) is on a nut basis with internal thread, process the longitudinally disappearance section (041) that a pair of angle position differs 180 ° at the nut inner thread face, the thread of locating internal thread in disappearance section is cut removal; When the thread (035) of flat screw rod turned to thread (042) interlock with the agomphosis nut, limited block (032) contacted spacing with a confined planes (022), and flat screw rod this moment (033) can not move axially in agomphosis nut (04); When the thread (035) of flat screw rod turns to when throwing off with the thread (042) of agomphosis nut, above-mentioned limited block contacts spacing with another confined planes, and flat screw rod (033) can endwisely slip in agomphosis nut (04) at this moment; Agomphosis nut (04) is installed in (01) on the fixed jaw.
2. quickly opening and closing bench vice according to claim 1, it is characterized in that: application of force nut (05) leading portion has one section socket section (051) that is enclosed within on the carriage release lever (03), is provided with the elastic clamping pieces (052) that can carry out to carriage release lever radially pressure holding in the socket section (051).
3. quickly opening and closing bench vice according to claim 1 and 2, it is characterized in that: described agomphosis nut (04) relatively fixed jaw (01) moves forward and backward certain distance.
4. quickly opening and closing bench vice according to claim 1 and 2 is characterized in that: be lined with a wavy spring (07) between the front end face of the rear end face of described application of force nut (04) and fairlead (021).
5. quickly opening and closing bench vice according to claim 1 and 2, it is characterized in that: described flat screw rod (033) is opposite with the thread rotary orientation of stressed screw rod (031).
6. quick slippage engaging member, it is characterized in that: it comprises the carriage release lever (03) with flat screw rod (033) and the agomphosis nut (04) that cooperates with flat screw rod; Described flat screw rod is to have on the externally threaded screw rod basis at one section, processes the longitudinally cutting face (034) that a pair of angle position differs 180 ° at the external thread of screw face, and the thread of locating screw rod in the cutting face is cut removal; Described agomphosis nut (04) is on a nut basis with internal thread, processes the longitudinally disappearance section (041) that a pair of angle position differs 180 ° at the nut inner thread face, is cut removal at the thread of disappearance section place's internal thread; When the thread of flat screw rod (033) turned to thread interlock with agomphosis nut (04), flat screw rod can not move axially in the agomphosis nut; When the thread of flat screw rod (033) turns to when throwing off with the thread of agomphosis nut (04) and when entering disappearance section (041), flat screw rod can endwisely slip in the agomphosis nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220266769 CN202780859U (en) | 2012-06-07 | 2012-06-07 | Quick opening and closing bench clamp and quick slide meshing part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220266769 CN202780859U (en) | 2012-06-07 | 2012-06-07 | Quick opening and closing bench clamp and quick slide meshing part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202780859U true CN202780859U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220266769 Expired - Lifetime CN202780859U (en) | 2012-06-07 | 2012-06-07 | Quick opening and closing bench clamp and quick slide meshing part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202780859U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699839A (en) * | 2012-06-07 | 2012-10-03 | 乔奥 | Quickly opened and closed bench clamp and quick sliding and engaging part |
| CN103603218A (en) * | 2013-11-13 | 2014-02-26 | 贵州钢绳股份有限公司 | Rope end clamping device used for weaving of steel wire rope rigging |
-
2012
- 2012-06-07 CN CN 201220266769 patent/CN202780859U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699839A (en) * | 2012-06-07 | 2012-10-03 | 乔奥 | Quickly opened and closed bench clamp and quick sliding and engaging part |
| CN102699839B (en) * | 2012-06-07 | 2014-12-31 | 乔奥 | Quickly opened and closed bench clamp and quick sliding and engaging part |
| CN103603218A (en) * | 2013-11-13 | 2014-02-26 | 贵州钢绳股份有限公司 | Rope end clamping device used for weaving of steel wire rope rigging |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130313 Effective date of abandoning: 20141231 |
|
| RGAV | Abandon patent right to avoid regrant |