CN210464520U

CN210464520U - Rotatable clamping mechanism

Info

Publication number: CN210464520U
Application number: CN201921523008.0U
Authority: CN
Inventors: 王斌; 殷红秋; 杨建华
Original assignee: CNNC Tianjin Technology Development Co Ltd
Current assignee: CNNC Tianjin Technology Development Co Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-05-05
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a fixture can turn around, including the support post, with the commentaries on classics cover and the one end that 360 circumferential direction of support post connect are fixed and are sheathe the other end in the commentaries on classics and are equipped with the centre gripping arm of clamping part, wherein: be formed with on the well upper portion circumference lateral wall of support post and be used for right the axial of changeing the cover carries out spacing boss, the upper portion of support post be with change the rotatory cooperation section of cover clearance fit, the top of support post is for being used for assembling the installation section of retaining member, the retaining member pushes down change the cover, the cooperation the boss locking change the cover. The clamping mechanism can be used for clamping various measuring meters, and the use flexibility is improved.

Description

Rotatable clamping mechanism

Technical Field

The utility model relates to an accurate mechanical design technical field especially relates to a fixture can turn around.

Background

In the measurement field, common meter type or sensor fixture are mostly general fixture such as magnetic gauge stand and flexible gauge stand, though this type of fixture can satisfy the change of measuring position, but fixture need remove simultaneously together with the meter (or sensor) in the adjustment process, and it is not good enough to use the convenience, and it is longer if need to resume initial measurement position relative adjustment time moreover, is difficult for realizing continuous measurement. Therefore, the utility model discloses mainly introduce one kind and can realize carrying out the table class fixture of circumference gyration at fixed position, can solve the shortcoming and not enough that traditional centre gripping method exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fixture can turn round to the fixture portability that exists among the prior art poor, the long problem of initial position adjustment time resumes.

For realizing the utility model discloses a technical scheme that the purpose adopted is:

the utility model provides a can gyration fixture, including the support post, with 360 circumferential direction of support post connect change the cover and one end are fixed and are equipped with the centre gripping arm of clamping part on the other end on changeing the cover, wherein:

be formed with on the well upper portion circumference lateral wall of support post and be used for right the axial of changeing the cover carries out spacing boss, the upper portion of support post be with change the rotatory cooperation section of cover clearance fit, the top of support post is for being used for assembling the installation section of retaining member, the retaining member pushes down change the cover, the cooperation the boss locking change the cover.

In the above technical scheme, a flange is formed at the bottom of the rotating sleeve, and the edge of the flange protrudes out of the boss.

In the technical scheme, the locking piece is a fastening nut, the fastening nut is in threaded connection with the mounting section, and a knurling or polygonal structure is arranged outside the fastening nut.

In the above technical scheme, the support column is of a stepped shaft structure, the bottom of the support column is a large-diameter end, the rotary matching section of the support column is a small-diameter end, and the small-diameter end is sleeved in the rotary sleeve in a penetrating manner.

In the technical scheme, the through hole in the rotating sleeve is a stepped hole, a first annular groove is formed between the boss and the small-diameter end, and a second annular groove is formed between the small-diameter end and the mounting section.

In the above technical solution, the support column is provided with a height adjusting portion.

In the above technical solution, the height adjusting part includes a supporting sleeve having a cylindrical structure, a clamping plane formed on a bottom side wall of the supporting column, and a fastening screw passing through the side wall of the supporting sleeve and pressed on the clamping plane, wherein: the side wall of the supporting sleeve is provided with a threaded hole for loading the fastening screw, the bottom of the supporting column is sleeved in the supporting sleeve in a penetrating mode, and the clamping plane is formed in the radial direction of the supporting column.

In the technical scheme, the bottom of the supporting sleeve is provided with a base part, and the base part is uniformly provided with fixing through holes.

In the above technical solution, the clamping portion includes a through hole formed on the clamping arm, a slot perpendicular to the through hole, and a clamping screw clamping two slot walls, wherein: and each groove wall is provided with a locking threaded hole for the clamping screw to pass through, and the direction of the groove is the same as that of the clamping arm.

In the above technical solution, one end of the slot is communicated with the through hole, and the other end of the slot is finally connected to the end of the clamping arm to form an opening.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a fixture can revolve, can satisfy the centre gripping demand of different measuring mechanism (for example measure table class or sensor etc.), can realize 360 degrees gyrations in the plane to can fix optional position in the plane, it is easy and simple to handle.

2. The utility model discloses a fixture can turn round can also adjust the measuring point height through the position of adjustment supporting column in the supporting sleeve, satisfies more measurement height demands.

Drawings

Fig. 1 shows a front view of a pivotable clamping mechanism.

Figure 2 shows a cross-sectional view of the rotatable clamping mechanism.

Fig. 3 is an enlarged sectional view of the swivel sleeve.

In the figure: 1-supporting column, 2-rotating sleeve, 3-clamping arm, 4-boss, 5-fastening nut, 6-measuring component, 7-supporting sleeve, 8-clamping plane, 9-fastening screw, 10-base portion, 11-groove wall, 12-flange, 13-rotating matching section, 14-first annular groove, 15-second annular groove, 16-clamping screw and 17-locking threaded hole.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

The utility model provides a can revolve fixture, includes support column 1, can wind support column 1 carries out 360 circumferential direction's commentaries on classics cover 2 and one end are fixed and are changeed the centre gripping arm 3 that the other end was equipped with the clamping part on covering 2, wherein:

be formed with on the well upper portion circumference lateral wall of support column 1 and be used for right the axial of changeing cover 2 carries out spacing boss 4, the upper portion of support column 1 be with change the rotatory cooperation section 13 of 2 clearance fit of cover, the top of support column 1 is for the installation section that is used for assembling the retaining member, the retaining member pushes down change the cooperation of cover 2 the locking of boss 4 change cover 2.

The cover 2 and the centre gripping arm 3 welding form and change the cover centre gripping body, when using this fixture, fix measuring part 6 (measuring table class or sensor) on the clamping part, loosen the retaining member, when rotating centre gripping arm 3, it can follow 360 rotations of the axial direction of support post 1 to change cover 2, rotate to certain angle and make measuring part 6 get into the measurement area, lock the retaining member, the retaining member forms decurrent pressure to changeing cover 2, boss 4 has ascending holding power to changeing cover 2, retaining member and the cooperation of boss 4 will change the position of cover 2 and fix, thereby the measuring position of fixed measuring part 6 begins to measure, accomplish after measuring, loosen the retaining member, continue to rotate centre gripping arm 3, make measuring part 6 leave the measuring position.

Preferably, a flange 12 is formed at the bottom of the rotary sleeve 2, and the edge of the flange 12 protrudes from the boss 4. The lower surface of the flange 12 abuts the upper surface of the boss 4 to form a support.

Preferably, the locking member is a fastening nut 5, and the fastening nut 5 is connected with the mounting section through threads. The inside screw structure that is of fastening nut 5, with processing be in the external screw thread fit of erection section, when locking and unclamping fastening nut 5, anticlockwise or clockwise rotation fastening nut 5 can accomplish the locking of changeing the cover and loosen.

Preferably, the fastening nut 5 is externally knurled or polygonal. The fastening operation is facilitated.

Preferably, the supporting column 1 is of a stepped shaft structure, the bottom of the supporting column 1 is a large-diameter end to form a support, the boss 4 is formed at the middle upper part of the supporting column 1, the rotary matching section 13 of the supporting column 1 is a small-diameter end, the small-diameter end is sleeved in the rotary sleeve 2 in a penetrating manner and is used for matching with the rotary sleeve 2, the clearance is smaller than 0.01mm, and the coaxiality error requirement of different diameter sections is smaller than 0.02 mm.

Preferably, a first annular groove 14 is formed between the boss 4 and the small-diameter end, a second annular groove 15 is formed between the small-diameter end and the mounting section, and the through hole in the rotating sleeve 2 is a stepped hole. The first annular groove 14 and the second annular groove 15 are relief grooves formed at both ends of the small-diameter end and matched with a stepped hole in the middle of the rotating sleeve 2, burrs or burrs may be left after the relief grooves are formed, if the rotating sleeve 2 is a through hole, when the burrs of the relief grooves are assembled, the condition that the assembly is not in place is generated, namely, the lower end face of the rotating sleeve 2 cannot be completely attached to the upper end face of the boss 4, and the rotating sleeve is influenced to rotate along the circumferential direction.

Example 2

In order to meet the measurement requirements of different heights, a height adjusting part is arranged on the supporting column 1.

Preferably, the support column 1 is provided with a height adjusting portion. In this way, the position of the measuring gauge or the sensor can be adjusted by rotating the support column 1, and the height of the measuring gauge or the sensor can be adjusted.

Preferably, the height adjusting part comprises a supporting sleeve 7 with a cylindrical structure, a clamping plane 8 formed on the side wall of the bottom of the supporting column 1 and a fastening screw 9 which penetrates through the side wall of the supporting sleeve 7 and is pressed on the clamping plane 8, wherein: the side wall of the supporting sleeve 7 is provided with a threaded hole for loading the fastening screw 9, the bottom of the supporting column 1 is sleeved in the supporting sleeve 7, and the clamping plane 8 is formed in the radial direction of the supporting column 1.

When the position of the supporting column 1 in the supporting sleeve 7 is adjusted, the fastening screw 9 is loosened, the supporting column 1 is lifted or pressed down to a proper height, the fastening screw 9 is screwed, the tail end of the fastening screw 9 is pressed on the clamping plane 8, the supporting column 1 is fixed, and therefore height adjustment is achieved.

Preferably, a base portion 10 is provided at the bottom of the support sleeve 7, and fixing through holes are uniformly distributed on the base portion 10. The base part 10 is a disc structure, and the base part 10 can be fixed in a test position through screws, so that the clamping mechanism is installed and positioned.

Example 3

Preferably, the clamping portion includes a through hole formed on the clamping arm 3 for the measurement component 6 to pass through, a slot perpendicular to the through hole, and a clamping screw 16 for clamping two slot walls 11, wherein each slot wall 11 is formed with a locking threaded hole 17 for the clamping screw 16 to pass through, the direction of the slot is the same as that of the clamping arm 3, one end of the slot is communicated with the through hole, and the other end of the slot is connected to the end of the clamping arm 3 to form an opening.

By the fixing mode, the precise measuring part 6 can be protected even if the measuring part 6 is detached, the clamping screw can be a hexagon socket head cap screw, when the measuring part 6 is fixed, the measuring part 6 is inserted into the through hole, the clamping screw penetrates through the locking threaded holes formed in the two groove walls 11 to be locked, and the measuring part 6 can be effectively fixed.

Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a can gyration fixture which characterized in that, including the support post, with 360 circumferential direction of support post connect change the cover and one end is fixed and is equipped with the centre gripping arm of clamping part on the other end on changeing the cover, wherein:

2. The rotatable clamp mechanism of claim 1, wherein a bottom of the rotating sleeve is formed with a flange, an edge of the flange protruding from the boss.

3. The rotatable clamp mechanism of claim 1 wherein the retaining member is a tightening nut, the tightening nut being threadably connected to the mounting section, the tightening nut being externally knurled or having a polygonal configuration.

4. The rotatable clamp mechanism of claim 1 wherein the support post is a stepped shaft configuration, the bottom of the support post is a large diameter end, the rotating engagement section of the support post is a small diameter end, and the small diameter end is inserted into the rotating sleeve.

5. The rotatable clamp mechanism of claim 1 wherein the through bore in the rotor sleeve is a stepped bore, a first annular groove being formed between the boss and the smaller diameter end, and a second annular groove being formed between the smaller diameter end and the mounting section.

6. The rotatable clamp mechanism of claim 1, wherein the support post is provided with a height adjustment portion.

7. The rotatable clamp mechanism of claim 6, wherein the height adjustment portion comprises a cylindrical support sleeve, a clamping plane formed on a bottom side wall of the support column, and a fastening screw pressed against the clamping plane through the support sleeve side wall, wherein: the side wall of the supporting sleeve is provided with a threaded hole for loading the fastening screw, the bottom of the supporting column is sleeved in the supporting sleeve in a penetrating mode, and the clamping plane is formed in the radial direction of the supporting column.

8. The rotatable clamping mechanism of claim 7 wherein the bottom of the support sleeve is provided with a base portion, and the base portion is provided with a plurality of fixing through holes.

9. The rotatable clamping mechanism of claim 1 wherein the clamping portion comprises a through hole formed in the clamping arm, a slot perpendicular to the through hole, and a clamping screw clamping the two slot walls, wherein: and each groove wall is provided with a locking threaded hole for the clamping screw to pass through, and the direction of the groove is the same as that of the clamping arm.

10. The rotatable clamp mechanism of claim 9 wherein one end of the slot communicates with the through hole and the other end terminates at the end of the clamp arm to form an opening.