CN2112478U - Convenient vice for clamping table - Google Patents

Abstract

The utility model belongs to a clamping tool, and relates to a convenient vice capable of quick or slow clamping. The convenient vice capable of quick or slow clamping is characterized in that a screw rod is sheathed with half nut sleeves which can be each other matched in a sliding mode as well as be each other matched in a thread mode. An automatic clamping mechanism arranged between the lower bottom part of the half nut sleeves and the bottom face of a supporting frame comprises a sliding block with a bevel face key, a guide shaft and a resetting spring. A movable vice body and the supporting frame are provided with a mounting through hole and a manual control mechanism which comprises a soft pipe jointing seat, a soft pipe, a push rod, a soft shaft and an ejector rod. The utility model has the advantages of simple structure, easy manufacturing, labor saving and convenience in the process of operating. Only a hand grasps a handle as well as lifts and presses the push rod so that the movable vice body can be rapidly pushed and pulled.

Description

Convenient vice for clamping table

The utility model belongs to clamping device, relates to a kind of clamping bench vice at a slow speed soon.

Existing quick clamping bench vice mostly is screw mandrel vertical lift type bench vice greatly, and structure is all comparatively complicated, the processing trouble, and handle backward rotation certain angle could must be realized clamping fast, operate more bothersome.The disclosed clamping bench vice at a slow speed soon of CN2078672U, though changed said structure, and the structure that has adopted the half-nut piece to cooperate with screw mandrel, but also there are processing trouble and the bothersome deficiency of operation, when when jaw need be aligned significantly, also needing soon conversion at a slow speed, need earlier the crankshaft of abnormal mechanism to be pushed quick gear and put, the quicker push-and-pull of caliper is put in place after loosing one's grip with hand, then with hand the crankshaft of abnormal mechanism is pushed at a slow speed gear again and put, just can clamp at a slow speed then.

The purpose of this utility model is the deficiency that overcomes above-mentioned prior art, easily makes and provide a kind of both simple in structure, again the very laborsaving clamping bench vice at a slow speed soon easily of operation.

Realize that the technical scheme that above-mentioned purpose adopted is: to by handle, screw mandrel, moving caliper, composition such as fixed caliper and support, support is fastened on and is crossing in axial sliding in a pair of through hole on the fixed caliper and on the support that the bench vice of screw mandrel improves, not only can slippery mutually but also half-nut cover threaded engagement mutually for suit on screw mandrel, sliding shoe by band inclined-plane key is housed between the lower bottom part of half-nut cover and the support inner bottom surface, the automatic locking mechanism that guide shaft and back-moving spring constitute, have on moving caliper and the support and through hole is installed and is equipped with by flexible pipe, the flexible pipe joint chair, push rod, the manual control mechanism that flexible axle and push rod constitute, push rod, flexible axle and push rod are fixedly connected sequentially.Guide shaft can be fixedlyed connected with sliding shoe and be slidingly connected with support, also can be slidingly connected with sliding shoe and fixedly connected with support.In order to make the less thick of sliding shoe, and more stable when sliding, preferably support is provided with two guide shafts, and sliding shoe has two flanks, and a flank is fixedlyed connected with push rod and a guide shaft, and another flank has slide opening and slide on another root guide shaft.

The utility model is owing to adopted simple automatic locking mechanism of structure and easy to operate manual control mechanism, thereby whole bench vice was both simple in structure, easy to manufacture, and rapid operation is convenient again.The position that thumb can be pressed when holding handle because push rod and flexible pipe joint chair are installed in the usefulness of moving caliper, thereby in using when jaw need be aligned significantly, only need a hand both to catch handle, press push rod on the moving caliper with thumb again, can make sliding shoe carry out the metamorphosis displacement by the power transmission of flexible axle and push rod, and can push away fast moving caliper, draw, as thumb one is put, the active force of back-moving spring that can be by automatic locking mechanism makes sliding shoe carry out abnormal displacement again, holding up the half-nut cover meshes it and screw mandrel, and bench vice can be clamped at a slow speed, not only the auxiliary movement of fast conversion at a slow speed is few, and the time is short, and it is very convenient to operate.

The embodiment that provides below in conjunction with accompanying drawing is further described specifically the utility model.

Structural representation when Fig. 1 is in clamped condition at a slow speed for the fast clamping bench vice at a slow speed of a kind of convenient controlled type of the present utility model.

Fig. 2 is the A-A cutaway view of Fig. 1.

Structural representation when Fig. 3 is in quick clamped condition for bench vice shown in Figure 1 is transformed to.

Fig. 4 is the C-C cutaway view of Fig. 3.

Fig. 5 is the front view of sliding shoe shown in Fig. 1.

Fig. 6,7 is respectively the left view and the vertical view of sliding shoe.

As shown in Figure 1, the utility model convenient controlled type soon at a slow speed clamping bench vice by handle (1), screw mandrel (9), moving caliper (4), fixed caliper (7) and support compositions such as (6), crossing screw mandrel in axial sliding in a pair of through hole on the support (6), in addition, screw mandrel (9) goes up that suit not only can slippery mutually but also half-nut cover threaded engagement mutually (8), the lower bottom part of this half-nut cover (8) has surface groove (10), and the sliding shoe (13) (referring to Fig. 5～7) by band inclined-plane key (17) is housed between the lower bottom part of half-nut cover (8) and support (6) inner bottom surface, have on the automatic locking mechanism that guide shaft (11) and back-moving spring (12) constitute, moving caliper (4) and support (6) and through hole is installed and is equipped with by flexible pipe joint chair (3), flexible pipe (5), push rod (2), the manual control mechanism that flexible axle (16) and push rod (14) constitute.On the circular arc end face of moving caliper (4), be positioned at and use the place, place that thumb can be pressed when holding handle (1) to have the installation through hole and a flexible pipe joint chair (3) is installed, flexible pipe joint chair (3) can adopt metal tube or nylon, plastic tube, the sliding push rod (2) that is equipped with in the flexible pipe joint chair (3) with joining, fixedly connected with flexible axle (16) in the inner of push rod (2), the other end of flexible axle (16) is fixedlyed connected with push rod (14), push rod (14) is slided with another flexible pipe joint chair (15) on the installation through hole that is contained in support (6) and is joined, flexible axle (16) outside suit flexible pipe (5), flexible pipe (5) can adopt close helical Bourdon tube or heavy wall plastic tube, the mode of fixedlying connected with push rod (2) and push rod (14) in flexible axle (16) end, can be welding, also can be to clamp to connect.

Shown in Fig. 1,2,7, support (6) is provided with two guide shafts (11), sliding shoe (13) has two flanks (referring to Fig. 7), a flank is fixedlyed connected with a push rod (14) and a guide shaft (11), connected mode can adopt being threaded as shown in Figure 1, also can adopt welding, another flank of sliding shoe (13) has slide opening and slides on another root and the guide shaft (11) that support (6) is fixedlyed connected.It is also passable that push rod (14) and sliding shoe (13) are not fixedlyed connected, as long as make push rod (14) be in the position that can push up to sliding shoe (13).Back-moving spring (12) is housed on the guide shaft (11), and effect is that sliding shoe (13) is resetted when having lost push rod (14) to its active force again, and makes half-nut cover (8) and screw mandrel (9) lead the mark engagement automatically, until being clamped automatically in vertical direction.

In Fig. 1,2, shown under normal conditions, sliding shoe (13) only be subjected to the effect of back-moving spring (12) and be positioned at support (6) inner bottom surface by push rod (14) one sides, it has played the effect with the lower bottom part picking-up of half-nut cover (8), make the lower thread of the internal thread of half-nut cover (8) and screw mandrel (9) (see figure 2) that matches, and auto lock, make bench vice be in clamped condition at a slow speed.

In Fig. 3,4, shown when the external force effect being arranged and be delivered on the push rod (14) on the push rod (2) by flexible axle (16), sliding shoe (13) is under the effect of push rod (14), compression reseting spring (12) and be positioned at support (6) inner bottom surface deviate from push rod (14) one sides, it has played the surface groove (10) that inclined-plane key (17) is fallen into half-nut cover (8), half-nut cover (8) is descended because of deadweight and make the internal thread of half-nut cover (8) and the lower thread tooth of screw mandrel (9) take off (see figure 4), make bench vice be in clamped condition fast.

By Fig. 5,6,7 as seen, the top of sliding shoe (13) has inclined-plane key (17), and both sides have two flanks, has screw on the flank, and having unthreaded hole on another flank is the said slide opening in front.

Engagement and tooth that the utility model adopts manual control mechanism and automatic locking mechanism to control half-nut cover (8) and screw mandrel (9) jointly take off, because structure is ingenious, design is unique, thereby have removed complicated operations from during use, and very convenient, its operation sequence is as follows:

When jaw need be aligned significantly, hand-held operation handle (1), and simultaneously thumb pressing push rod (2) is put in place, push rod (2) axially displacement of stressed back, and by flexible axle (16) and push rod (14) with axial force transmission to sliding shoe (13), the axial displacement of push rod (2) is the slide displacement amount of sliding shoe (13), sliding shoe (13) slides into the surface groove (10) of half-nut cover (8) when locating, half-nut cover (8) descends because of deadweight thereupon and with screw mandrel (9) tooth takes place and takes off, at this moment, catch the hand of handle (1) to carry out quick push-and-pull, align the size of jaw significantly moving caliper (4).

When needs clamp at a slow speed, as long as the thumb of pressing push rod (2) is unclamped, then sliding shoe (13) moves because of the elastic force effect that is subjected to back-moving spring (12) and resets, in reseting procedure, friction takes place and half-nut cover (8) is risen and by auto lock in the inclined-plane on the inclined-plane key (17) of sliding shoe (13) and the inclined-plane of half-nut cover (8) lower bottom part surface groove (10).In the process that sliding shoe (13) resets, even half-nut cover (8) hits with the ridge pinnacle of screw mandrel (9), as long as turning handle (1) drives screw mandrel (9), then half-nut cover (8) still can carry out Automatic Track Finding and produce spiral with screw mandrel (9) engagement paying under the effect of back-moving spring (12) and sliding shoe (13).

If the utility model does not remove pressing push rod (2), then possesses the repertoire of old-fashioned bench vice.

Claims (2)

1, a kind of quick clamping bench vice, by handle (1), screw mandrel (9), moving caliper (4), fixed caliper (7) and support compositions such as (6), support (6) is fastened on the fixed caliper (7), and crossing screw mandrel (9) in axial sliding in a pair of through hole on the support (6), it is characterized in that: screw mandrel (9) goes up that suit not only can slippery mutually but also half-nut cover threaded engagement mutually (8), the lower bottom part of half-nut cover (8) has surface groove (10), sliding shoe (13) by band inclined-plane key (17) is housed between the lower bottom part of half-nut cover (8) and support (6) inner bottom surface, the automatic locking mechanism that guide shaft (11) and back-moving spring (12) constitute, have on moving caliper (4) and the support (6) and through hole is installed and is equipped with by flexible pipe joint chair (3), flexible pipe (5), push rod (2), the manual control mechanism that flexible axle (16) and push rod (14) constitute, push rod (2), flexible axle (16) and push rod (14) are fixedly connected sequentially.

2, quick clamping bench vice according to claim 1, it is characterized in that: support (6) is provided with two guide shafts (11), sliding shoe (13) has two flanks, a flank is fixedlyed connected with push rod (14) and guide shaft (11), and another flank has slide opening and slide on another root guide shaft (11).

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