CN206123474U

CN206123474U - Clamping device

Info

Publication number: CN206123474U
Application number: CN201621010341.8U
Authority: CN
Inventors: 徐荣网
Original assignee: KUNSHAN SHUHOW INSTRUMENT TECHNOLOGY CO LTD
Current assignee: KUNSHAN SHUHOW INSTRUMENT TECHNOLOGY CO LTD
Priority date: 2016-08-31
Filing date: 2016-08-31
Publication date: 2017-04-26
Anticipated expiration: 2026-08-31

Abstract

The utility model relates to an anchor clamps technical field, saying more specifically relates to a clamping device. It includes the cylindric base that is equipped with the through -hole, the axis of through -hole with the dead in line of base still includes and wears to locate follow in the base that the circumference of base sets up and be in gliding clamping part and cover are established in the base follow on the base lateral wall the position sleeve of axis direction round trip movement, the position sleeve can with the one end of clamping part offsets and promotes the clamping part to the base is inside to slide, the other end of clamping part stretches into in the through -hole. The utility model provides a simple structure presss from both sides tight effectual clamping device.

Description

A kind of clamping device

Technical field

The utility model is related to clamp art, in particular, is related to a kind of clamping device.

Background technology

At daily life and production and processing scene, clamping device is a kind of conventional fixed processing object, is in part Correct Working position, to receive to construct or detect.

At present, in prior art such as Chinese patent literature CN201881301U, a kind of cylinder type component rotation is disclosed Binding clasp, including the gland, compression end for being provided with the pedestal of accommodating hole, being fixedly mounted on the pedestal accommodating hole is stretched into The collar cap that interior spring collar is contacted with the gland and is threadedly coupled with the spring collar, the gland limits described Motion of the collar cap towards the spring collar direction.

The rotating clamp of cylindrical parts of above-mentioned patent document, the spring collar is with the rotation of the collar cap When moving downward or upward, in order to avoid the spring collar rotates with the collar cap, outer wall, institute on the locating flange State and axially disposed mutual corresponding cell body is respectively arranged with the inwall of accommodating hole, in two cell body positioning is provided with Pin, using being equipped with for cell body and alignment pin, the anglec of rotation of spring collar is limited in cell body width range, works as cell body Width it is larger when, the anglec of rotation of spring collar is big, and spring collar still can rotate with collar cap, therefore the width ratio of cell body Less, then the anglec of rotation of spring collar is little, and the distance that the spring collar is moved up or down is little, the cylinder class that can be clamped The size range of part is less；Another way is the groove that axial direction is provided with outer wall on the locating flange, institute State and axially disposed convex tendon corresponding with the groove is provided with base vivo wall, come by the cooperation and friction of groove and convex tendon Limited spring collar rotates with collar cap, but due to rubbing action after being used for multiple times, groove is deteriorated with the fiting effect of convex tendon, institute State spring collar still can rotate with collar cap, therefore avoid the knot that the spring collar rotates with the rotation of the collar cap Structure is complicated, and effect is bad.

Utility model content

Therefore, the technical problems to be solved in the utility model be overcome existing product avoid the spring collar with institute When the rotation for stating collar cap is moved downward or upward, with the complex structure that the collar cap rotates, and effect problem of poor, there is provided A kind of simple structure, the good clamping device of clamping effect.

To solve the above problems, a kind of clamping device of the present utility model, including it is columned be provided with through hole base, it is described The dead in line of the axis of through hole and the base, also including being arranged in the base along the circumferentially disposed of the base and The clamping part slided in the base, and it is set in the positioning moved back and forth along the axis direction on the base side wall Set, the positioning sleeve can offset with one end of the clamping part and promote the clamping part to slide to the chassis interior, the folder The other end for holding portion is stretched in the through hole.

Wherein, the base is provided with the slideway for accommodating the clamping part perpendicular to the axis.

Wherein, be also fixedly connected with the slideway including one end, the other end go deep in the clamping part for the clamping Portion provides the elastic construction of the power away from the base.

Wherein, the clamping part is circumferentially provided with three along the base.

Wherein, one end of the clamping part be provided with the positioning sleeve clamping part it is domatic, the positioning sleeve is provided with The positioning sleeve being adapted domatic with the clamping part is domatic.

Wherein, the bottom being fixedly connected with one end of the base is also included, one end of the base is provided with groove, institute The bottom surface for stating bottom is provided with the projection being adapted with the groove.

Wherein, the base includes being provided with the bare terminal end of the slideway, and the diameter that one end is connected with the bare terminal end Less than the fixing end of the bare terminal end, the other end of the fixing end is connected with the bottom, the bare terminal end and the fixation The junction at end is provided with the processing groove being radially-inwardly recessed along the base.

Wherein, the positioning sleeve includes the abutment end being adapted with the external diameter of the bare terminal end, and connects with the abutment end The connection end being adapted with the external diameter of the fixing end for connecing, it is domatic that the abutment end is provided with the clamping part, the connection End is threadedly coupled with the fixing end.

Wherein, one end of the clamping part can extend into what the side wall and bottom surface and the base side wall of the bottom were formed In space.

Wherein, it is provided with what size was detachably connected more than the through hole and the bottom at the bottom center of the bottom Baffle plate.

Technical solutions of the utility model, have the advantage that：

1. clamping device of the present utility model, sample is arranged in the through hole, and the positioning sleeve is along the base side The axis direction of wall moves back and forth, and the clamping part can be promoted when the positioning sleeve offsets with the clamping part to the base Internal slide, the other end of the clamping part is stretched into and clamp in the through hole sample, and the positioning sleeve is set in the base side On wall, can make the positioning sleeve and the base that relative movement, performance to occur by the fixed positioning sleeve or the base Stable, clamping effect is good, and the simple structure.

2. in the utility model, the clamping part slides in the slideway, and the slideway is vertically set on the base On, limit the clamping part and slide towards or away from the base along the direction of the vertical described axis of the slideway, institute The easy to process of slideway is stated, and the clamping part is when sample is clamped, clamping of the clamping force perpendicular acting on sample, to sample Effect is good.

3. in the utility model, the clamping part is promoted when the positioning sleeve offsets with the clamping part to the base Internal slide, when the positioning sleeve is moved to not to offset with the clamping part, the elastic construction is provided for the clamping part Away from the power of the base, the other end for making the clamping part unclamps sample, can take out in sample, and now, clamping part is all retracted In base, the other end of clamping part will not prevent the insertion of sample, place sample simple, convenient.

4. in the utility model, the clamping part is circumferentially provided with three along the base, and three clamping parts can With stable sample of clamping, and the setting of the clamping part is less, can save production cost.

5. in the utility model, the positioning sleeve towards the clamping part move when, the positioning sleeve is domatic with the folder Hold that portion is domatic to offset, with continuing to move to for the positioning sleeve, the positioning strip promotes the clamping part to move into the base It is dynamic, when clamping the sample of different-diameter, the distance difference that the clamping part move into the base, some clamping parts it is another The internal diameter size in end besieged city is adapted with the external diameter of sample, and clamping device can clamp the sample of sizes.

6. in the utility model, one end of the base is provided with the bottom, the bottom can stop sample The base is stretched out in one end, prevents the base from stable standing；The groove that one end of the base is provided with and the bottom The projection that the bottom surface of lid is provided with is adapted, and in assembling of the base with the bottom, limits the bottom and the bottom The assembling position of seat so as to which assembling is accurate.

7. in the utility model, the connection end is threadedly coupled with the fixing end, rotates the positioning sleeve, the positioning The side wall covered along the fixing end is moved towards or away from the bare terminal end, when the positioning sleeve is moved towards the bare terminal end When, the positioning sleeve can offset with the clamping part and gradually expand the area that offsets with the clamping part, promote the clamping Portion slides into the base, and the other end of the clamping part clamps sample；When the positioning sleeve continues to be moved to the bare terminal end Dynamic, step that the fixing end and the bare terminal end are formed because of diameter change and the connection end and the abutment end are because of internal diameter change Change the step for being formed to offset, limit the positioning sleeve and continue to move to, prevent the positioning sleeve from removing the base side wall from the end, Structure is more stable.

8. in the utility model, one end of the clamping part can extend into the side wall and bottom surface and the base of the bottom In the space that side wall is formed, bottom surface can limit the clamping part and remove the base side wall from there.

9. in the utility model, when the length of the sample for needing to clamp is longer, the baffle plate is disassembled, the sample Stretch out at the hole that product occur from after baffle plate dismounting, so that the specification of the sample length for clamping is more.

Description of the drawings

In order to be illustrated more clearly that the utility model specific embodiment or technical scheme of the prior art, below will be right The accompanying drawing to be used needed for specific embodiment or description of the prior art is briefly described, it should be apparent that, describe below In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, can be with according to these other accompanying drawings of accompanying drawings acquisition.

Fig. 1 is a kind of dimensional structure diagram of embodiment of the present utility model；

Fig. 2 is a kind of profile of the front view of embodiment of the present utility model；

Fig. 3 is a kind of top view of embodiment of the present utility model；

Description of reference numerals：

1- bases；11- bare terminal ends；12- fixing ends；13- through holes；14- slideways；2- bottoms；21- baffle plates；3- clamping parts； 31- clamping parts are domatic；4- positioning sleeves；41- abutment ends；411- positioning sleeves are domatic；42- connection ends；5- elastic constructions；7- samples.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described Embodiment is a part of embodiment of the utility model, rather than the embodiment of whole.Based on the embodiment in the utility model, this The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality Novel protected scope.

Embodiment one：

The clamping device of the present embodiment, as shown in Figure 1 to Figure 3, including base 1, bottom 2, clamping part 3, positioning sleeve 4 and bullet Property structure 5.

Base 1 is the diameter that is connected with bare terminal end 11 of cylindrical-shaped structure, including bare terminal end 11, and one end less than bare terminal end 11 Fixing end 12, the junction of bare terminal end 11 and fixing end 12 is provided with the processing groove being radially-inwardly recessed along base 1.Base 1 It is provided with through hole 13, the axis of through hole 13 and the dead in line of base 1；Bare terminal end 11 is provided with the axis perpendicular to base 1 Slideway 14, the two ends of slideway 14 connect respectively the outside of through hole 13 and base 1；The other end of fixing end 12 is provided with groove.

Bottom 2 is fixedly connected with the other end of fixing end 12, and the bottom surface of bottom 2 is provided with the projection being adapted with groove, The internal diameter of the side wall of bottom 2 can prevent positioning sleeve 4 from removing the side wall of base 1 from this end more than the external diameter of fixing end 12.

Clamping part 3 is arranged in slideway 14, is slided in the interior direction of slideway 14 or away from base 1, and one end of clamping part 3 sets Have towards the clamping part of positioning sleeve 4 domatic 31, when clamping part 3 is moved to base 1, the other end is stretched into can be with sample in through hole 13 7 offset, and clamp sample 7.The setting number of clamping part 3 is arranged according to requirements, in embodiment itself, along the week of base 1 To being provided with three.

Positioning sleeve 4 includes abutment end 41 and connection end 42, and the internal diameter of abutment end 41 is adapted with the external diameter for stating bare terminal end 11, 31 positioning sleeve being adapted domatic 411 domatic with clamping part is provided with abutment end 41；Connection end 42 is connected with abutment end 41, interior Footpath is adapted with the external diameter of fixing end 12 and is threadedly coupled with fixing end 12.Rotational connection end 42, connection end 42 is relatively fixed end 12 rotations, the side wall along base 1 moves back and forth in the axial direction, and when positioning sleeve 4 is moved to clamping part 3, positioning sleeve is domatic 411 domatic with clamping part 31 gradually offset, and promote clamping part 3 to the internal slide of base 1, the other end and the phase of sample 7 of clamping part 3 Support, clamp sample 7.In the present embodiment, one end of clamping part 3 can extend into the side wall and bottom surface and the side wall shape of base 1 of bottom 2 Into space in, to prevent clamping part 3 from removing the side wall of base 1 from the end.

Elastic construction 5 provides the elastic force away from base 1 for clamping part 3, and one end of elastic construction 5 is fixed with slideway 14 and connected Connect, the other end gos deep into inside clamping part 3.

Elastic construction 5 can be shell fragment etc., and in the present embodiment, elastic construction 5 is spring.

Embodiment two：

The present embodiment is that side wall is not provided with bottom 2 with the difference of embodiment one, and the diameter of the bottom surface of bottom 2 is big In the diameter of fixing end 12, to prevent clamping part 3 from removing the side wall of base 1.

Embodiment three：

The present embodiment is provided with size and is more than on the basis of embodiment one and embodiment two at the bottom center of bottom 2 The baffle plate 21 of through hole 13, baffle plate 21 is detachably connected with bottom 2, when the length of the sample 7 for needing to clamp is longer, by baffle plate 21 Disassemble, stretch out at the hole that sample 7 exposes under the dismounting of baffle plate 21, so that the length specification of the sample 7 for clamping is more.At this In embodiment, groove is set to into the counterbore concentric with through hole 13, projection is adapted with counterbore, raised thickness is more than bottom surface The thickness at other positions, such setting is more convenient to arrange baffle plate 21 on bottom 2.

Obviously, above-described embodiment is only intended to clearly illustrate example, and not to the restriction of embodiment.It is right For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or Change.There is no need to be exhaustive to all of embodiment.And the obvious change thus extended out or Among changing the protection domain created still in the utility model.

Claims

1. a kind of clamping device, including the columned base (1) for being provided with through hole (13), the axis of the through hole (13) with it is described The dead in line of base (1), it is characterised in that also including being arranged in the base (1) along the circumferentially disposed of the base (1) And the clamping part (3) that slides in the base (1), and be set on the wall of the base (1) side to come along the axis direction The dynamic positioning sleeve (4) of return, the positioning sleeve (4) can with one end of the clamping part (3) offset the promotion clamping part (3) to Base (1) internal slide, the other end of the clamping part (3) is stretched in the through hole (13).

2. clamping device according to claim 1, it is characterised in that the base (1) is provided with perpendicular to the axis The slideway (14) for accommodating the clamping part (3).

3. clamping device according to claim 2, it is characterised in that also connect including one end and the slideway (14) are fixed Connect, what the other end goed deep in the clamping part (3) provides the elasticity knot of the power away from the base (1) for the clamping part (3) Structure (5).

4. the clamping device according to Claims 2 or 3, it is characterised in that the clamping part (3) is along the base (1) It is circumferentially provided with three.

5. clamping device according to claim 4, it is characterised in that one end of the clamping part (3) is provided with described The clamping part domatic (31) of positioning sleeve (4), the positioning sleeve (4) is provided with the positioning that (31) domatic with the clamping part are adapted Cover domatic (411).

6. clamping device according to claim 5, it is characterised in that also include being fixed with one end of the base (1) and connect The bottom (2) for connecing, one end of the base (1) is provided with groove, and the bottom surface of the bottom (2) is provided with mutually fits with the groove The projection matched somebody with somebody.

7. clamping device according to claim 6, it is characterised in that the base (1) is including being provided with the slideway (14) bare terminal end (11), and the diameter that is connected with the bare terminal end (11) of one end is less than the fixing end of the bare terminal end (11) (12), the other end of the fixing end (12) is connected with the bottom (2), the bare terminal end (11) and the fixing end (12) Junction is provided with the processing groove being radially-inwardly recessed along the base (1).

8. clamping device according to claim 7, it is characterised in that the positioning sleeve (4) includes and the bare terminal end (11) abutment end (41) that external diameter is adapted, and the external diameter phase with the fixing end (12) being connected with the abutment end (41) The connection end (42) of adaptation, the abutment end (41) is provided with the clamping part domatic (31), the connection end (42) with it is described Fixing end (12) is threadedly coupled.

9. the clamping device according to claim 6 or 7 or 8, it is characterised in that one end of the clamping part (3) can stretch In the space that the side wall and bottom surface for entering the bottom (2) is formed with the base (1) side wall.

10. according to the arbitrary described clamping device of claim 6 to 8, it is characterised in that at the bottom center of the bottom (2) It is provided with the baffle plate (21) that with the bottom (2) be detachably connected of the size more than the through hole (13).