CN211101244U - Anchor clamps with adjustable external diameter size - Google Patents

Abstract

The utility model discloses an anchor clamps with adjustable external diameter size, including first anchor clamps, second anchor clamps and regulation portion, first anchor clamps can dismantle with the second anchor clamps and be connected, and portion is established including the cover to first anchor clamps, and in first anchor clamps were located to regulation portion, regulation portion had the pars contractilis, and the pars contractilis was established the distance that the circumference lateral wall of portion stretches out from the cover and is adjustable. The periphery of the sleeving part is sleeved with the annular product to be machined, the distance extending out of the circumferential side wall of the sleeving part of the telescopic part is adjusted, the outer end of the telescopic part is abutted against the inner wall of the annular product to be machined, and tensioning and positioning of the clamp on the object can be achieved. According to the difference of the inner diameter of the annular product to be processed, the extension amount of the telescopic part is adjusted, the outer diameter of the clamp is adjusted, the tension positioning of the objects with different inner diameters can be achieved without replacing the clamp, and the production efficiency is improved.

Description

Anchor clamps with adjustable external diameter size

Technical Field

The utility model relates to an anchor clamps technical field especially relates to an anchor clamps with adjustable external diameter.

Background

At present, ring product is more and more, and a big characteristic of ring product is that the size is many, because need have the size that the internal diameter size is different to adapt to different finger thickness to improve the suitability of ring, satisfy more consumers' the demand of wearing. The ring needs to be positioned by using a clamp in the production and assembly process. For the finger rings with different inner diameter sizes, the clamps with different outer diameter sizes need to be replaced to perform tensioning and positioning on the finger rings. Frequent replacement of the clamp greatly reduces the production efficiency of the ring.

The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.

Disclosure of Invention

In view of this, the utility model provides an anchor clamps with adjustable external diameter size, its external diameter size is adjustable to ring bodies (for example the ring) to different internal diameter sizes rise and tightly fix a position, avoid frequently changing anchor clamps, improve production efficiency.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:

an outer diameter size adjustable clamp comprising: the first clamp comprises a sleeving part, and the annular product to be processed is sleeved on the sleeving part; a second clamp; the adjusting part is arranged in the first clamp and provided with a telescopic part, the distance of the telescopic part extending out of the circumferential side wall of the sleeving part is adjustable, and the outer end of the telescopic part is abutted against the inner wall of the annular product to be processed; wherein, the first clamp is detachably connected with the second clamp.

Further, a first through hole is formed in the first clamp along the axis direction of the first clamp; the adjusting part also comprises an adjusting rod which is movably arranged in the first through hole in a penetrating way; the adjusting rod is in contact with the inner end of the telescopic part, and the contact surface is an inclined surface.

Furthermore, an adjusting rod connecting part is arranged in the first through hole, the adjusting rod connecting part is provided with a second through hole, the first through hole and the second through hole are coaxial, the diameter of the first through hole is larger than that of the second through hole, and an internal thread is arranged on the inner peripheral wall of the second through hole; the outer peripheral wall of the adjusting rod is provided with an external thread; the internal thread is in threaded connection with the external thread.

Furthermore, the sleeving part is provided with a third through hole and a fourth through hole communicated with the third through hole, the third through hole is coaxial with the first through hole, and the fourth through hole extends along the direction vertical to the axis of the third through hole; the telescopic part is movably arranged in the fourth through hole in a penetrating way; one end of the adjusting rod extends into the third through hole and is in contact with the inner end of the telescopic part.

Furthermore, a stopping portion for preventing the telescopic portion from coming off from the fourth through hole is arranged at the position, close to the inner end, of the telescopic portion.

Furthermore, a return spring is arranged between the stopping part and the inner wall of the fourth through hole.

Furthermore, the number of the telescopic parts is multiple, and the plurality of telescopic parts are symmetrically distributed relative to the adjusting rod.

Furthermore, the second clamp is close to be equipped with the hole of stepping down on the terminal surface of first clamp, first clamp with when the second clamp is connected, the one end of adjusting the pole stretches into the hole of stepping down.

Furthermore, a positioning hole or a positioning pin is arranged on the end face, close to the second clamp, of the sleeving part, a positioning pin or a positioning hole is arranged on the end face, close to the sleeving part, of the second clamp, and when the first clamp is connected with the second clamp, the positioning pin is inserted into the positioning hole.

Furthermore, the end face, close to the second clamp, of the sleeving part is provided with a first adsorption part, the end face, close to the sleeving part, of the second clamp is provided with a second adsorption part, and when the first clamp is connected with the second clamp, the first adsorption part is attracted with the second adsorption part.

Compared with the prior art, the utility model discloses an advantage is with positive effect:

the clamp with the adjustable outer diameter size comprises a first clamp, a second clamp and an adjusting portion, the first clamp is detachably connected with the second clamp, the first clamp comprises a sleeve arranging portion, the adjusting portion is arranged in the first clamp, the adjusting portion is provided with a telescopic portion, and the distance of the telescopic portion extending out of the circumferential side wall of the sleeve arranging portion is adjustable. The periphery of the sleeved part is sleeved with the annular product to be machined, the first clamp and the second clamp are assembled together, the annular product to be machined plays a role in pre-positioning, then the distance extending out of the circumferential side wall of the sleeved part of the telescopic part is adjusted, the outer end of the telescopic part is abutted against the inner wall of the annular product to be machined, and the tensioning and positioning of the clamp on the object can be achieved. According to the difference of the inner diameter of the annular product to be processed, the extension amount of the telescopic part is adjusted, the outer diameter of the clamp is adjusted, the tension positioning of the objects with different inner diameters can be achieved without replacing the clamp, and the production efficiency is improved.

Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic structural view of an embodiment of an adjustable outer diameter clamp of the present invention;

FIG. 2 is an exploded view of an embodiment of the present invention of an adjustable outer diameter clamp;

FIG. 3 is a first cross-sectional view of an embodiment of the adjustable outer diameter clamp of the present invention;

FIG. 4 is a second cross-sectional view of an embodiment of the adjustable outer diameter clamp of the present invention;

FIG. 5 is an exploded view of a first clamp of an embodiment of the adjustable outer diameter clamp of the present invention;

FIG. 6 is a cross-sectional view of a first clamp of an embodiment of the adjustable outer diameter clamp of the present invention;

FIG. 7 is a front view of a first clamp of an embodiment of the adjustable outer diameter clamp of the present invention;

FIG. 8 is a cross-sectional view of a second embodiment of the adjustable outer diameter clamp of the present invention;

fig. 9 is a front view of a second clamp of an embodiment of the adjustable outer diameter clamp of the present invention.

Wherein,

100-a first clamp, 111-a first through hole, 112-a second through hole, 113-a third through hole, 114-a fourth through hole, 120-a sleeving part, 130-an adjusting rod connecting part, 131-an internal thread, 140-a first adsorption part and 150-a positioning hole;

200-a second clamp, 210-an abdicating hole, 220-a positioning column, 230-a second adsorption part;

300-an adjusting part, 310-a telescopic part, 311-the inner end of the telescopic part, 312-the outer end of the telescopic part, 313-a stopping part, 314-the inclined plane structure of the telescopic part, 320-an adjusting rod, 321-an external thread, 322-a conical structure, 323-the inner end of the adjusting rod, 324-the outer end of the adjusting rod and 330-a return spring;

400-the finger ring is used for carrying out finger ring,

x1-axial direction of the first through hole, the second through hole, the fourth through hole;

x2-adjusting the push-in direction of the rod;

x3-direction of movement of the telescoping section.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "horizontal", "vertical", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," second, "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The utility model discloses a anchor clamps with adjustable external diameter size, this anchor clamps can rise tightly the location to ring bodies such as ring to the processing equipment of ring bodies such as ring, this embodiment explains with the ring as an example. Referring to fig. 1 and 2, the clamp includes a first clamp 100 and a second clamp 200, the first clamp 100 includes a sleeve portion 120, and a finger ring 400 is sleeved on the sleeve portion 120. The first clamp 100 is detachably connected to the second clamp 200, so that the ring 400 is sleeved on the sleeve portion 120. Referring to fig. 3 and 4, the jig further includes an adjustment portion 300, the adjustment portion 300 is disposed in the first jig 100, the adjustment portion 300 has a telescopic portion 310, and a distance of the telescopic portion 310 extending from a circumferential side wall of the sheathing portion 120 is adjustable.

Embolia the cover from the one end of the cover portion of establishing 120 with the ring 400 and establish portion 120, then dock first anchor clamps 100 and second anchor clamps 200, first anchor clamps 100 and second anchor clamps 200 play prepositioning effect to ring 400, then adjust the distance that pars contractilis 310 stretches out from the circumference lateral wall of the cover portion of establishing 120, make the outer end 312 of pars contractilis 310 support with the inner wall of ring 400 and lean on, can realize the tight location of rising of anchor clamps to ring 400. According to the difference of the ring internal diameter size of waiting to process, the volume of stretching out of regulating pars contractilis 310 realizes the regulation of anchor clamps external diameter size, need not to change anchor clamps and can realize the tight location that rises to different internal diameter rings, improves production efficiency.

Referring to fig. 5 and 6, the first jig 100 is provided at the inside thereof with a first through hole 111 in the axial direction thereof. The adjusting portion 300 further includes an adjusting rod 320, and the adjusting rod 320 is movably disposed in the first through hole 111, that is, the adjusting rod 320 can reciprocate along the axial direction X1 of the first through hole 111. The two ends of the adjustment rod 320 are respectively defined as an inner end 323 and an outer end 324 of the adjustment rod, and the two ends of the telescopic part 310 are respectively defined as an inner end 311 and an outer end 312 of the telescopic part. The inner end 323 of the adjusting rod is in contact with the inner end 311 of the telescopic part, a contact surface between the inner end 323 of the adjusting rod and the telescopic part is an inclined surface, the inclined surface gradually extends towards a direction close to the axis X1 of the first through hole 111 along the pushing-in direction X2 of the adjusting rod 320, therefore, the telescopic part 310 can be pushed to move through the movement of the adjusting rod 320, the telescopic part 310 reciprocates along the vertical direction X3, the extending amount of the telescopic part 310 is adjusted, and the outer diameter of the clamp is adjusted.

In this embodiment, the inner end 323 of the adjusting rod is preferably a tapered structure 322 for easy processing, and the inclined structure 314 on the inner end 311 of the telescopic portion is in contact with the tapered structure 322.

The outer end 324 of the adjusting rod is an external force applying end, so that the adjusting rod 320 can reciprocate under the action of external force, and the outer end 312 of the telescopic portion is used for abutting against the inner diameter of the ring 400, thereby realizing tensioning and positioning of the ring 400.

Further, referring to fig. 6, an adjusting rod connecting portion 130 is disposed in the first through hole 111, the adjusting rod connecting portion 130 has a second through hole 112, the first through hole 111 and the second through hole 112 are coaxial, a diameter of the first through hole 111 is larger than a diameter of the second through hole 112, and an inner circumferential wall of the second through hole 112 is provided with an inner thread 131. Correspondingly, the outer circumferential wall of the adjusting rod 320 is provided with an external thread 321. The movable connection of the adjusting rod 320 is realized through the screw connection between the internal thread 131 and the external thread 321. During adjustment, external force acts on the outer end 324 of the adjusting rod, the adjusting rod 320 can be screwed, the adjusting rod 320 can move, and through the threaded connection structure, self-locking can be achieved after the adjusting rod 320 moves in place, so that the outer end 312 of the telescopic portion can be kept at a specific position.

In this embodiment, the connecting portion of the adjusting rod 320 is preferably a nut, the nut is fitted into the first through hole 111 in an interference fit manner, and then the adjusting rod 320 is screwed into the nut, so that the first fixture 100 does not need to be processed in a complicated manner, and the production is facilitated.

The diameter of the first through hole 111 is greater than that of the second through hole 112, when the adjusting rod 320 reciprocates along the axis direction X1 of the first through hole 111, the adjusting rod 320 is not in direct contact with the first through hole 111, only the external thread 321 on the adjusting rod 320 is in contact with the internal thread 131 on the adjusting rod connecting part 130, contact abrasion between the adjusting rod 320 and the inner wall of the first through hole 111 is avoided, the service life of a product is prolonged, and the movement of the adjusting rod 320 is facilitated.

With reference to fig. 6, the sheathing part 120 has a third through hole 113 and a fourth through hole 114 communicated with the third through hole 113, the third through hole 113 is coaxial with the first through hole 111 and the second through hole 112, the fourth through hole 114 extends along a direction perpendicular to an axis of the third through hole 113, the telescopic part 310 is movably disposed in the fourth through hole 114, and the inner end 323 of the adjusting rod extends into the third through hole 113 and contacts with the inner end 311 of the telescopic part. The fourth through hole 114 extending in the vertical direction can realize that the telescopic part 310 moves up and down along the direction X3 under the action of the adjusting rod 320, so that the contact force between the outer end 312 of the telescopic part and the inner wall of the ring 400 is positive pressure, the slipping phenomenon between the outer end 312 of the telescopic part and the inner wall of the ring 400 is avoided, and the tensioning reliability of the clamp on the ring is improved.

Further, a stopping portion 313 for preventing the telescopic portion 310 from being removed from the fourth through hole 114 is disposed at the position of the telescopic portion 310 near the inner end 311 thereof. Referring to fig. 5, the stopping portions 313 are protruding structures disposed on the left and right sides of the inner end 311 of the telescopic portion, and a certain distance is required between the stopping portions 313 and the inclined plane structure 314 on the inner end 311 of the telescopic portion to avoid the stopping portions 313 from generating movement interference on the inner end 323 of the adjusting lever.

Further, a return spring 330 is provided between the stopper 313 and the inner wall of the fourth through hole 114, and referring to fig. 3, after the adjustment lever 320 is returned, the telescopic part 310 is returned by the return spring 330, so that the inner end 323 of the adjustment lever and the inner end 311 of the telescopic part are always in contact with each other. Referring to fig. 4, after the adjusting rod 320 is pushed in, the adjusting rod 320 directly acts on the telescopic part 310 to adjust the outer diameter of the clamp, thereby increasing the adjusting response speed of the clamp and facilitating the operation. Meanwhile, after the extension part 310 is adjusted in place, the extension part 310 can be always kept at a specific position under the action of the return spring 330, so that the ring 400 can be continuously tensioned.

On the basis of the above embodiment, referring to fig. 5, the number of the telescopic parts 310 is multiple, and the plurality of telescopic parts 310 are symmetrically distributed with respect to the adjustment rod 320, so as to provide uniform tension to the ring 400 and improve reliability. In this embodiment, the number of the expansion part 310 is 3, and correspondingly, the number of the return spring 330 is also 3.

On the basis of the above embodiment, referring to fig. 4 and 9, the end surface of the second fixture 200 close to the first fixture 100 is provided with the abdicating hole 210, and when the first fixture 110 is connected to the second fixture 220, the inner end 323 of the adjusting rod extends into the abdicating hole 210, so as to avoid the inner end 323 of the adjusting rod directly contacting with the end surface of the second fixture 200, which affects the connection reliability between the first fixture 100 and the second fixture 200.

On the basis of the above embodiment, referring to fig. 7 and 9, the end surface of the sleeving part 120 close to the second fixture 200 is provided with a positioning hole or a positioning pin, the end surface of the second fixture 200 close to the sleeving part 120 is provided with a positioning pin or a positioning hole, and when the first fixture 100 is connected with the second fixture 200, the positioning pin is inserted into the positioning hole, so that the first fixture 100 and the second fixture 200 are preliminarily positioned, and the two are smoothly butted. In this embodiment, the end surface of the first fixture 100 is provided with a positioning hole 150, and the end surface of the second fixture 200 is provided with a positioning post 220.

Further, a first absorption portion 140 is disposed on an end surface of the sleeve portion 120 close to the second fixture 200, a second absorption portion 230 is disposed on an end surface of the second fixture 200 close to the sleeve portion 120, and when the first fixture 100 is connected to the second fixture 200, the first absorption portion 140 and the second absorption portion 230 are attracted to each other, so that the first fixture 100 is connected to the second fixture 200. In this embodiment, the first and second suction portions 140 and 230 are preferably magnets, and have a simple and reliable structure. The first adsorption part 140 and the second adsorption part 230 are respectively provided with three parts, the three first adsorption parts 140 are uniformly distributed along the circumferential direction of the end surface of the first clamp 100, correspondingly, the three second adsorption parts 230 are uniformly distributed along the circumferential direction of the end surface of the second clamp 200, and the connection reliability between the two parts is further improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. An outer diameter dimension adjustable clamp, comprising:

the first clamp comprises a sleeving part, and the inner wall of the annular product to be processed is sleeved on the sleeving part;

the second clamp is detachably connected with the first clamp;

the adjusting part is arranged in the first clamp and provided with a telescopic part, the telescopic part is arranged at an adjustable distance extending out of the circumferential side wall of the sleeve arranging part, and the outer end of the telescopic part is abutted to the inner wall of the annular product to be processed.

2. The clamp with adjustable outer diameter dimension of claim 1,

a first through hole is formed in the first clamp along the axis direction of the first clamp;

the adjusting part also comprises an adjusting rod which is movably arranged in the first through hole in a penetrating way;

the adjusting rod is in contact with the inner end of the telescopic part, and the contact surface is an inclined surface.

3. The clamp with adjustable outer diameter dimension of claim 2,

an adjusting rod connecting part is arranged in the first through hole, the adjusting rod connecting part is provided with a second through hole, the first through hole is coaxial with the second through hole, the diameter of the first through hole is larger than that of the second through hole, and internal threads are arranged on the inner peripheral wall of the second through hole;

the outer peripheral wall of the adjusting rod is provided with an external thread;

the internal thread is in threaded connection with the external thread.

4. The clamp with adjustable outer diameter dimension of claim 2,

the sleeving part is provided with a third through hole and a fourth through hole communicated with the third through hole, the third through hole is coaxial with the first through hole, and the fourth through hole extends along the direction vertical to the axis of the third through hole;

the telescopic part is movably arranged in the fourth through hole in a penetrating way;

one end of the adjusting rod extends into the third through hole and is in contact with the inner end of the telescopic part.

5. The clamp with adjustable outer diameter dimension of claim 4,

the telescopic part is provided with a stopping part close to the inner end of the telescopic part, and the stopping part is used for preventing the telescopic part from being separated from the fourth through hole.

6. The clamp with adjustable outer diameter dimension of claim 5,

and a return spring is arranged between the stopping part and the inner wall of the fourth through hole.

7. The clamp with an adjustable outer diameter dimension according to any one of claims 2 to 6,

the number of the telescopic parts is multiple, and the plurality of telescopic parts are symmetrically distributed relative to the adjusting rod.

8. The clamp with an adjustable outer diameter dimension according to any one of claims 2 to 6,

the second clamp is close to be equipped with the hole of stepping down on the terminal surface of first clamp, first clamp with when the second clamp is connected, the one end of adjusting the pole stretches into the hole of stepping down.

9. The clamp with an adjustable outer diameter dimension according to any one of claims 2 to 6,

the end face, close to the second clamp, of the sleeving part is provided with a positioning hole or a positioning pin, the end face, close to the sleeving part, of the second clamp is provided with a positioning pin or a positioning hole, and when the first clamp is connected with the second clamp, the positioning pin is inserted into the positioning hole.

10. The clamp with adjustable outer diameter dimension of claim 9,

the sleeve part is close to a first adsorption part is arranged on the end face of the second clamp, the second clamp is close to a second adsorption part is arranged on the end face of the sleeve part, and when the first clamp is connected with the second clamp, the first adsorption part is attracted with the second adsorption part.

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