CN102267109B - Quick-action bench vice - Google Patents
Quick-action bench vice Download PDFInfo
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- CN102267109B CN102267109B CN 201110184285 CN201110184285A CN102267109B CN 102267109 B CN102267109 B CN 102267109B CN 201110184285 CN201110184285 CN 201110184285 CN 201110184285 A CN201110184285 A CN 201110184285A CN 102267109 B CN102267109 B CN 102267109B
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Abstract
The invention discloses a quick-action bench vice. The quick-action bench vice comprises a fixed vice body, a movable vice body, a screw rod and a quick-action clamping device, wherein the movable vice body and the screw rod are integrally assembled together; and the quick-action clamping device comprises a nut assembly and a handle assembly. A swinging block and the screw rod are released from thread engagement while the handle is shifted to a quick-action position; the movable vice body can be rapidly moved to finish rapid clamping or loosening action while being pushed and pulled at the moment; and after the quick action is finished, the handle returns to a slow-action position. The swinging block and the screw rod are closely engaged with each other by threads under an effect of a small tension spring while the handle is shifted to the slow-action position; the movable vice body can be driven by a rotating screw rod to move at a low speed at the moment so as to finish slow clamping or loosening action; in addition, the movable vice body can be also pushed to rapidly move to the direction of the fixed vice body. The quick-action bench vice disclosed by the invention has the advantages of simple and reasonable structure, convenience and quickness for operation, time and labor conservation, high jaw distance adjusting speed, high working efficiency, low labor, strong clamping force, high precision, long service life and the like.
Description
Technical field
The present invention relates to pincers worker clamping device technical field, specifically relate to a kind of repertoire that had both had the conventional table vice, have again the Quick-action bench vice of Quick-clamped and release function.
Background technology
Bench vice is a kind of pincers worker clamping device, is mainly used in pincers worker and adds fixing workpiece in man-hour.
(1) existing common table vice substantially all is comprised of moving caliper, fixed caliper, screw mandrel, screw and chassis five major parts, concrete structure is as follows: on the chassis fixed caliper is installed, this fixed caliper and screw are assembled into one, and namely two parts are without relatively moving.Moving caliper and screw mandrel are assembled into one, with the screw mandrel outer end of screw formation screw-threaded engagement handgrip are being housed; This moving caliper laterally also can move therein through the inner chamber on fixed caliper top.If need fixed caliper to rotate on the chassis, to change its Working position, also need to be provided with on the chassis handgrip for locking fixed caliper position.During use, rotation and the screw mandrel that screw meshes make moving caliper and fixed caliper produce relative displacement, to reach the purpose that clamps and unclamp workpiece.
The deficiency that exists is: rotary screw can only drive moving caliper and move at a slow speed, thereby also can only realize clamping at a slow speed and unclamping workpiece.Especially for jaw adjust that distance is large, workpiece replacing bench vice frequently, in order to make moving caliper and fixed caliper produce larger relative displacement, then need frequent and rotary screw for a long time, can make so original bench work with regard to burdensome become more clumsy, also improve labour intensity, reduced operating efficiency.
(2) structural principle of existing Quick-action bench vice substantially all is as at all take the disengaging of screw mandrel and screw, namely at screw design one eccentric wheel apparatus, rely on frictional force or the rotation of key band movable eccentric wheel by rotating counterclockwise screw mandrel, screw mandrel and screw are broken away from, thereby reach the purpose of snap-action.The deficiency of its existence is: when rotating counterclockwise screw mandrel, screw mandrel and screw must break away from, and moving caliper can not be moved along with the rotation of screw mandrel, also lost simultaneously the common table vice a most basic function----slow motion unclamps.
Summary of the invention
Technical problem to be solved by this invention provides and a kind ofly can overcome above-mentioned deficiency, convenient to operation, high efficiency, labour intensity is low, and chucking power is strong, precision is high, the Quick-action bench vice that life-span is long, it pulls handgrip in the snap-action position, can make screw mandrel and swinging block break away from screw-threaded engagement, realize the moving caliper fast moving, thereby clamp quickly and efficiently or unclamp workpiece; It pulls handgrip in the slow motion position, and the screw thread of screw mandrel and swinging block is closely meshed, and can realize the mobile and clamp at a slow speed or unclamp workpiece at a slow speed of moving caliper, can realize that again moving caliper is to the quick propelling of fixed caliper direction.
In order to address the above problem, the present invention takes following technical scheme: a kind of Quick-action bench vice, comprise fixed caliper, moving caliper, screw mandrel and snap-action clamping device, and wherein: described moving caliper and screw mandrel are assembled into one; Described snap-action clamping device comprises screw assembly, handgrip assembly; Side at moving caliper is provided with elongated slot, and this elongated slot communicates along the length direction setting of moving caliper and with the inner chamber of moving caliper; Pass the inner of the handgrip in the handgrip assembly in this elongated slot, and insert the inner of backing pin; This screw assembly comprises nut seat, bearing pin, swinging block, small extension spring; Wherein nut seat is fixed on the fixed caliper, and this nut seat is inverted L-shaped, is provided with swinging block in its corner that is inverted L-shaped; Each end of this swinging block and nut seat is rotationally connected with bearing pin, and swinging block can swing at nut seat around bearing pin, and its each other end connects with small extension spring; On nut seat, laterally be provided with a unthreaded hole and half circular unthreaded hole of connection; Be provided with half round thread hole at swinging block; Described screw mandrel runs through in the inner chamber that is matched with above-mentioned unthreaded hole and is comprised of the semi-circular threaded that is oppositely arranged and semicircle unthreaded hole; Thicker and the both sides, front and back of the mid portion of this nut seat are provided with two facets, are provided with the limit groove that is communicated with above-mentioned semicircle unthreaded hole at the facet near handgrip one side; Gear mountain risers that nut seat is provided with and the angle between the screw mandrel center line＜90 °; This gear mountain risers contacts with corresponding risers on the swinging block; The upper surface of this nut seat contacts with the lower surface of swinging block; Described handgrip assembly comprises handgrip, Compress Spring and handle bracket, wherein handgrip and handle bracket are installed in the side of fixed caliper, between handgrip outer end and handle bracket, be set with Compress Spring, cylindrical position in handgrip the inner is provided with eccentric shaft, this eccentric shaft passes first the elongated slot on the moving caliper, then stretch in the limit groove on the nut seat, and the inner terminal of eccentric shaft is positioned at below the outside of lower surface of swinging block; When pulling handgrip in the snap-action position, the eccentric shaft on the described handgrip is in the top of nut seat limit groove and with swinging block jack-up, makes swinging block and screw mandrel break away from screw-threaded engagement; At this moment, the sliding active caliper can carry out fast moving, realizes Quick-clamped or unclamps action; After the snap-action action is finished, handgrip is reduced to the slow motion position; When pulling handgrip in the slow motion position, the eccentric shaft on the described handgrip is in the bottom of nut seat limit groove, and this swinging block and screw mandrel form closely screw-threaded engagement under the effect of small extension spring; At this moment, rotary screw can drive moving caliper and move at a slow speed, realizes clamping at a slow speed or unclamping action; In addition, promote the adjustable clamp physical efficiency and carry out fast moving to the fixed caliper direction.
The top of described nut seat is provided with the ear seat, and at the pin-and-hole that the center of ear seat is provided with open slot and vertically passes open slot, above-mentioned pin-and-hole matches with bearing pin.
The open slot that described nut seat is provided with is communicated with the unthreaded hole that is positioned at its below.
Bottom one end of described nut seat is thinner and be provided with bolt hole, and it is connected with fixed caliper with the bolt that passes above-mentioned bolt hole.
Described swinging block is the wedge type outward appearance, and the one end is provided with ear, is provided with the pin-and-hole that matches with bearing pin at ear, in the open slot on this ear insertion nut seat ear seat.
The lower surface of the ear on the described swinging block is provided with the internal thread that is meshed with screw mandrel.
Described small extension spring is a pair of tension spring, and its two ends are fixed on swinging block and the nut seat by screw respectively.
Described bearing pin is a cylinder, and its two ends are provided with the annular groove of fitting opening back-up ring.
Described handgrip is curved shape, and its outer end is to departing from its central axis one side bending, and the intermediate portion is divided into the cylinder that matches with circular hole on the handle bracket.
Described handle bracket is rectangle, is provided with the circular hole that matches with the column part of handgrip in the middle of it, is provided with the pair of bolts hole in the both sides of above-mentioned circular hole, passes above-mentioned bolt hole and handle bracket is fixed on the side of fixed caliper with pair of screws.
Compared with the prior art the present invention has following beneficial effect:
(1) compare with the common table vice, the present invention can make continually, rotary screw becomes simple efficient to finish the pincers worker action that clamps or unclamp workpiece for a long time.Use pincers worker of the present invention only need pull the handgrip of fixed caliper side in snap-action or slow motion position, can realize the purpose that moves and cooperate the realization clamping or unclamp workpiece with fixed caliper fast or at a slow speed of moving caliper, thereby greatly saved the operating time, alleviated workman's labour intensity.
(2) compare with existing centering type Quick-action bench vice, the present invention not only has the fast moving function, but also has the repertoire of common table vice.Namely drive moving caliper by rotary screw rod clockwise or counterclockwise and move, thereby realize the purpose that clamps or unclamp workpiece.
(3) another characteristics of the present invention are: when handgrip is in the slow motion position, when namely screw mandrel and swinging block are in closely the screw-threaded engagement state, also can optionally promote moving caliper to fixed caliper direction fast moving.
(4) in a word, Quick-action bench vice of the present invention can be selected snap-action and slow motion mode neatly according to the real work needs, thereby have simple and reasonable, convenient to operation, time saving and energy saving, jaw distance adjustment speed is fast, high efficiency, labour intensity is low, and chucking power is strong, the advantages such as precision is high, and the life-span is long.
Description of drawings
Fig. 1 is that master of the present invention looks outside drawing;
Fig. 2 is the broken section top view of Fig. 1;
Fig. 3 is the B-B cutaway view of Fig. 2;
Fig. 4 a is the A-A cutaway view of screw assembly under the slow motion state among Fig. 2; Fig. 4 b is the I section enlarged drawing among Fig. 4 a;
Fig. 5 a is the A-A cutaway view of screw assembly under the snap-action state among Fig. 2; Fig. 5 b is the II section enlarged drawing among Fig. 5 a.
Among Fig. 1-Fig. 5:
1, fixed caliper; 2, moving caliper; 2-1, elongated slot; 3, screw mandrel; 4, handle bracket; 5, screw; 6, handgrip; 6-1, eccentric shaft; 7, backing pin; 8, split washer; 9, bearing pin; 10, swinging block; 10-1, ear; 10-2, semi-circular threaded; 10-3, lower surface; 11, nut seat; 11-1, ear seat; 11-2, gear mountain risers; 11-3, upper surface; 11-4, limit groove; 11-5, semicircle unthreaded hole; 12, screw; 13, small extension spring; 14, bolt; 15, Compress Spring.
The specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
At any existing common table vice one cover snap-action clamping device is installed, the transformation of the way of common table vice can be become Quick-action bench vice of the present invention.
By Fig. 1, Fig. 2, Fig. 3 as can be known, Quick-action bench vice of the present invention comprises fixed caliper 1, moving caliper 2, screw mandrel 3 and snap-action clamping device, and wherein: described moving caliper 2 is assembled into one with screw mandrel 3; Described snap-action clamping device comprises screw assembly, handgrip assembly.
As shown in Figure 1, be provided with elongated slot 2-1 in a side of moving caliper 2, this elongated slot 2-1 communicates along the length direction setting of moving caliper and with the inner chamber of moving caliper 2.The effect of this elongated slot: the one, for the inner of the handgrip 6 that passes the handgrip assembly.The 2nd, for the inner of inserting backing pin 7, this backing pin 7 moving caliper 2 when preventing snap-action is thrown off with fixed caliper 1 and is designed, and plays the safe spacing effect.
(1) handgrip assembly: with reference to Fig. 1, Fig. 2, Fig. 3.
Shown in Figure 2 mainly is the cutaway top view of handgrip assembly.The handgrip assembly is used for screw-threaded engagement and the disengaging of control screw mandrel and swinging block.Described handgrip assembly is arranged on the side of fixed caliper 1, and handgrip wherein has two operating positions: the one, and the slow motion position is the represented position of solid line handgrip among Fig. 1; The 2nd, the snap-action position is the represented position of dotted line handgrip among Fig. 1.
As shown in Figure 2, described handgrip assembly comprises handgrip 6, handle bracket 4 and Compress Spring 15, and this handgrip 6 is installed in the side of fixed caliper 1 by handle bracket 4.Wherein:
Described handgrip 6 is curved shape, and its inner cylindrical position is provided with eccentric shaft 6-1; Its outer end is bent into handgrip, and the intermediate portion is divided into the cylinder that matches with circular hole on the handle bracket 4.Between handgrip outer end and handle bracket 4, be set with Compress Spring 15; This Compress Spring 15 is a circle, and its effect mainly is the end play of eliminating handgrip, increases the rotation feel of handgrip.
Described handle bracket 4 is rectangle, is provided with the circular hole that matches with cylinder on the handgrip 6 in the middle of it, is provided with the pair of bolts hole in the both sides of above-mentioned circular hole, passes above-mentioned bolt hole and handle bracket 4 is fixed on the side of fixed caliper 1 with pair of screws 5.
As shown in Figure 3, the eccentric shaft 6-1 on the handgrip 6 passes first the elongated slot 2-1 on the moving caliper 2, then stretches among the limit groove 11-4 on the nut seat 11, and the inner terminal of eccentric shaft 6-1 is positioned at below the outside of lower surface 10-3 of swinging block 10.
(2), screw assembly: with reference to Fig. 2, Fig. 3, Fig. 4 a, Fig. 4 b, Fig. 5 a, Fig. 5 b.
The screw assembly is the core of Quick-action bench vice of the present invention.Described screw assembly comprises nut seat 11, swinging block 10, bearing pin 9, small extension spring 13; Wherein: described nut seat 11 is inverted L-shaped, is provided with the swinging block 10 that can swing thereon in its corner that is inverted L-shaped; Laterally be provided with a unthreaded hole of connection and half circular unthreaded hole 11-5 on nut seat 11, the semi-circular threaded 10-2 that this semicircle unthreaded hole 11-5 and swinging block are provided with is relative and form an inner chamber; Described screw mandrel 3 runs through and is matched with in above-mentioned unthreaded hole and the inner chamber.
Known to Fig. 4 a, 5a, bottom one end of described nut seat 11 is thinner and be provided with bolt hole, and the available bolt 14 that passes above-mentioned bolt hole is connected with fixed caliper 1; Thicker and both sides, front and back, intermediate portion are provided with two facets, are provided with the limit groove 11-4 that takes the shape of the letter U at the facet near handgrip 6 one sides, and this limit groove is communicated with the semicircle unthreaded hole 11-5 that nut seat is provided with.This semicircle unthreaded hole can be offset swinging block to the bending force of screw mandrel, prevents that screw mandrel from clamping buckling failure.
As shown in Figure 2, be provided with ear seat 11-1 on the top of nut seat 11, be provided with open slot and the vertical pin-and-hole that passes open slot in the center of ear seat, this pin-and-hole is used for passing cooperation bearing pin 9; This open slot is communicated with the horizontal unthreaded hole that is positioned at its below.Described bearing pin 9 is a cylinder, is used for being rotationally connected between swinging block 10 and the nut seat 11, is respectively equipped with the annular groove for fitting opening back-up ring 8 at bearing pin 9 two ends; This swinging block 10 can swing around the ear seat 11-1 of bearing pin 9 at nut seat.
Referring to Fig. 4 a, 5a, during assembling, be rotationally connected with bearing pin 9 between the ear seat 11-1 of the ear 10-1 of swinging block 10 1 ends and nut seat 11 1 ends, fixing with split washer 8 at bearing pin 9 two ends, this swinging block is connected with a pair of small extension spring 13 with each other end of nut seat.Specifically, this small extension spring 13 is a pair of tension spring, and its two ends are fixed on swinging block 10 and the nut seat 11 by screw 12 respectively.The effect of small extension spring 13 is tension swinging blocks 10, and internal thread and screw mandrel 3 on the swinging block are closely meshed.
By Fig. 3, Fig. 4 a as can be known, when handgrip 6 was in the slow motion position, the horizontal upper end face 11-3 of this nut seat contacted with the lower surface 10-3 of swinging block 10; The gear mountain risers 11-2 of this nut seat contacts with the risers of swinging block 10; Angle between this gear mountain risers 11-2 and the screw mandrel center line＜90 °, purpose are the come-ups of swinging block when suppressing the screw mandrel clamping.
The snap-action of Quick-action bench vice of the present invention and slow motion process are as follows:
Referring to 5a, Fig. 5 b, when handgrip was in snap-action position shown in Figure 1, the eccentric shaft 6-1 of handgrip the inner was in the top of nut seat limit groove 11-4; At this moment swinging block 10 is by the eccentric shaft 6-1 jack-up of handgrip, and swinging block 10 breaks away from screw-threaded engagement with screw mandrel 3.Sliding active caliper 2 is realized itself and the relative fast moving of fixed caliper 1, finishes snap-action of the present invention and moves.After snap-action action is finished, need handgrip is reduced to the slow motion position, at this moment rotary screw 3 can be finished the clamping of workpiece or unclamp.
Referring to Fig. 4 a, Fig. 4 b, when handgrip was in slow motion position shown in Figure 1, the eccentric shaft 6-1 of handgrip the inner was in the bottom of nut seat limit groove 11-4; At this moment two small extension springs 13 guarantee that with swinging block 10 being pulled on the screw mandrel 3 tightly screw mandrel 3 and the screw thread of swinging block 10 closely mesh.Rotary screw 3 can drive moving caliper 2 and relatively move and clamp or unclamp workpiece to fixed caliper 1, finishes slow motion of the present invention and clamps or unclamp action.
When handgrip 6 was in slow motion position shown in Figure 1, moving caliper 2 also can optionally advance to fixed caliper 1 direction fast.At this moment because swinging block 10 is turntable, two small extension spring 13 pulling force are not enough to suppress the thrust of screw mandrel 3; When promoting moving caliper 2, swinging block 10 rotates around bearing pin 9, also can realize snap-action action of the present invention.
Claims (10)
1. a Quick-action bench vice is characterized in that,
A, comprise fixed caliper (1), moving caliper (2), screw mandrel (3) and snap-action clamping device, wherein: described moving caliper (2) is assembled into one with screw mandrel (3); Described snap-action clamping device comprises screw assembly, handgrip assembly; Be provided with elongated slot (2-1) in a side of moving caliper (2), this elongated slot (2-1) communicates along the length direction setting of moving caliper (2) and with the inner chamber of moving caliper (2); Pass the inner of the handgrip (6) in the handgrip assembly in this elongated slot (2-1), and insert the inner of backing pin (7);
B, described screw assembly comprise nut seat (11), bearing pin (9), swinging block (10), small extension spring (13); Wherein nut seat (11) is fixed on the fixed caliper (1), and this nut seat (11) is inverted L-shaped, is provided with swinging block (10) in its corner that is inverted L-shaped; Each end of this swinging block and nut seat is rotationally connected with bearing pin (9), and swinging block can swing at nut seat around bearing pin (9), and its each other end connects with small extension spring (13);
On nut seat (11), laterally be provided with a unthreaded hole and half circular unthreaded hole (11-5) of connection; Be provided with half round thread hole (10-2) at swinging block (10); Described screw mandrel (3) runs through in the inner chamber that is matched with above-mentioned unthreaded hole and is comprised of the semi-circular threaded that is oppositely arranged (10-2) and semicircle unthreaded hole (11-5); Thicker and the both sides, front and back of the mid portion of this nut seat are provided with two facets, are provided with the limit groove (11-4) that is communicated with above-mentioned semicircle unthreaded hole (11-5) at the facet near handgrip (6) one sides;
Gear mountain risers (11-2) that nut seat is provided with and the angle between the screw mandrel center line＜90 °; This gear mountain risers contacts with corresponding risers on the swinging block; The upper surface of this nut seat (11-3) contacts with the lower surface (10-3) of swinging block;
C, described handgrip assembly comprises handgrip (6), Compress Spring (15) and handle bracket (4), wherein handgrip and handle bracket are installed in the side of fixed caliper (1), between handgrip outer end and handle bracket (4), be set with Compress Spring (15), be provided with eccentric shaft (6-1) at the cylindrical position of handgrip the inner, this eccentric shaft (6-1) passes first the elongated slot (2-1) on the moving caliper (2), then stretch in the limit groove (11-4) on the nut seat, and the inner terminal of eccentric shaft (6-1) is positioned at below the outside of lower surface (10-3) of swinging block (10);
D, when pulling handgrip in the snap-action position, the eccentric shaft on the described handgrip (6-1) is in the top of nut seat limit groove (11-4) and with swinging block (10) jack-up, makes swinging block and screw mandrel (3) break away from screw-threaded engagement; At this moment, sliding active caliper (2) can carry out fast moving, realizes Quick-clamped or unclamps action; After the snap-action action is finished, handgrip is reduced to the slow motion position;
E, when pulling handgrip in the slow motion position, the eccentric shaft on the described handgrip (6-1) is in the bottom of nut seat limit groove (11-4), this swinging block and screw mandrel (3) form closely screw-threaded engagement under the effect of small extension spring (13); At this moment, rotary screw (3) can drive moving caliper (2) and move at a slow speed, realizes clamping at a slow speed or unclamping action; In addition, promote moving caliper (2) and can carry out fast moving to the fixed caliper direction.
2. Quick-action bench vice as claimed in claim 1, it is characterized in that, the top of described nut seat (11) is provided with ear seat (11-1), and at the pin-and-hole that the center of ear seat is provided with open slot and vertically passes open slot, above-mentioned pin-and-hole matches with bearing pin (9).
3. Quick-action bench vice as claimed in claim 2 is characterized in that, the open slot that described nut seat (11) is provided with is communicated with the unthreaded hole that is positioned at its below.
4. Quick-action bench vice as claimed in claim 3 is characterized in that, bottom one end of described nut seat (11) is thinner and be provided with bolt hole, and it is connected with fixed caliper (1) with the bolt (14) that passes above-mentioned bolt hole.
5. such as each the described Quick-action bench vice in the claim 1 to 4, it is characterized in that, described swinging block (10) is the wedge type outward appearance, the one end is provided with ear (10-1), be provided with the pin-and-hole that matches with bearing pin (9) at ear, in the open slot on this ear insertion nut seat ear seat (11-1).
6. Quick-action bench vice as claimed in claim 5 is characterized in that, the lower surface of the ear (10-1) on the described swinging block (10) is provided with the internal thread that matches with screw mandrel (3).
7. Quick-action bench vice as claimed in claim 1 is characterized in that, described small extension spring (13) is a pair of tension spring, and its two ends are fixed on swinging block (10) and the nut seat (11) by screw (12) respectively.
8. Quick-action bench vice as claimed in claim 1 is characterized in that, described bearing pin (9) is a cylinder, and its two ends are provided with the annular groove of fitting opening back-up ring (8).
9. Quick-action bench vice as claimed in claim 1 is characterized in that, described handgrip is curved shape, and its outer end is to departing from its central axis one side bending, and the intermediate portion is divided into the cylinder that matches with circular hole on the handle bracket (4).
10. Quick-action bench vice as claimed in claim 9, it is characterized in that, described handle bracket (4) is rectangle, be provided with the circular hole that matches with the column part of handgrip (6) in the middle of it, be provided with the pair of bolts hole in the both sides of above-mentioned circular hole, pass above-mentioned bolt hole with pair of screws (5) and handle bracket (4) is fixed on the side of fixed caliper (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110184285 CN102267109B (en) | 2011-07-04 | 2011-07-04 | Quick-action bench vice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110184285 CN102267109B (en) | 2011-07-04 | 2011-07-04 | Quick-action bench vice |
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| Publication Number | Publication Date |
|---|---|
| CN102267109A CN102267109A (en) | 2011-12-07 |
| CN102267109B true CN102267109B (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110184285 Expired - Fee Related CN102267109B (en) | 2011-07-04 | 2011-07-04 | Quick-action bench vice |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102896594B (en) * | 2012-10-22 | 2014-10-15 | 莱州鸿源台钳制造有限公司 | Front quick-operating bench vice |
| CN103072102B (en) * | 2013-01-15 | 2015-04-15 | 苏州市职业大学 | Fast moving clamping device for full-angle fast moving bench vice |
| CN103489679B (en) * | 2013-10-10 | 2015-07-15 | 益和电气集团股份有限公司 | Vacuum arc-extinguishing chamber assembling tool |
| CN103538040A (en) * | 2013-10-31 | 2014-01-29 | 金华市融昌工具有限公司 | Rapid clamping mechanism for bicycle repair stand |
| CN104385161B (en) * | 2014-09-29 | 2016-04-06 | 莱州鸿源台钳制造有限公司 | Snap-action multipurpose vice |
| US11660728B2 (en) | 2021-08-09 | 2023-05-30 | Snap-On Incorporated | Modular vise |
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| 任芳勇.快速进退夹紧装置.《机械工人.冷加工》.1986,(第09期), |
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|---|---|
| CN102267109A (en) | 2011-12-07 |
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