CN212706428U - Clamping device capable of continuously reducing diameter - Google Patents
Clamping device capable of continuously reducing diameter Download PDFInfo
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- CN212706428U CN212706428U CN202021759703.XU CN202021759703U CN212706428U CN 212706428 U CN212706428 U CN 212706428U CN 202021759703 U CN202021759703 U CN 202021759703U CN 212706428 U CN212706428 U CN 212706428U
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Abstract
The utility model relates to a clamping device capable of continuously reducing, which comprises a clamping ring component and three groups of jaw components, wherein the clamping ring component comprises a fixed ring formed by surrounding a large ring and a small ring, a rotating ring sleeved on the small ring, a fastening spiral ring screwed on the fixed ring to limit the rotating ring, and three groups of slideway parts, each slideway part comprises a first chute arranged on the small ring and a through hole arranged on the rotating ring, and also comprises a second chute which is tangent with the outer surface of the rotating ring and arranged on the large ring, and a plurality of groups of positioning holes arranged on the large ring adjacent to the second chute and a toggle bulge arranged on the rotating ring, each jaw component respectively comprises a rod body part, a guide column with one end connected with the rod body part and the other end inserted in the second chute, and a supporting jaw body connected with the other end of the rod body part and positioned in the small ring, and a fixing pin. The utility model discloses but the reducing in succession, the range of application is wide, and easily operation.
Description
Technical Field
The utility model relates to a centre gripping frock technical field especially relates to a clamping device of reducing in succession.
Background
At present, frock clamp is indispensable equipment in the product test inspection process, and among the prior art, like cylinder class product frock clamp ubiquitous following problem: when measuring the product of different diameters, need to change the frock or change fixing tool, and make frock clamp expansibility poor, application scope narrow or operate inconvenient, work efficiency low.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a but clamping device of continuous reducing can continuous reducing, and makes device expansibility strong, the range of application is wide, and easily operation.
The technical scheme adopted by the utility model is that: the clamping device capable of continuously reducing comprises a clamping ring assembly and three groups of jaw assemblies arranged on the clamping ring assembly in a penetrating mode at intervals, wherein the clamping ring assembly comprises a fixing ring which is formed by surrounding a large ring and a small ring and is in a convex shape, a rotating ring sleeved on the outer surface of the small ring is provided with external threads, the clamping ring assembly further comprises a fastening spiral ring which is screwed on the external threads and is limited by the rotating ring, and three groups of slide way parts which are used for sliding the jaw assemblies at corresponding positions respectively and adjusting the reducing diameter, each slide way part comprises a first slide groove arranged on the outer surface of the small ring and a penetrating hole arranged on the rotating ring, and the clamping ring further comprises a second slide groove which is tangent to the outer surface of the rotating ring and is arranged on the inner side surface of the large ring, and a plurality of groups of positioning holes arranged on the inner side surface of the large ring and a plurality of groups of positioning holes arranged adjacent to the penetrating hole Locate stir the arch on the rotatory ring, each the jack catch subassembly is including wearing to locate first spout with the body of rod portion in the through holes respectively, and one end connect in body of rod portion, the other end insert locate the guide post in the second spout, still including connect in the body of rod portion other end just is located the intra-annular support claw body of small circle, and stir at the external force stir the arch and make the guide post in slide in the second spout and drive support claw body to required position after will stir the arch with corresponding the fixed pin that the locating hole is fixed.
As a further limitation to the above technical solution, the rod body portion includes a cylindrical rod body and a base rod penetrating through the cylindrical rod body, a plurality of sets of L-shaped third chutes are arranged along a length direction of the cylindrical rod body, the third chutes of each set are communicated along the length direction of the cylindrical rod body, a mounting hole is arranged on the cylindrical rod body, and a positioning guide post is mounted on the base rod through the mounting hole.
As a further limitation to the above technical solution, the third sliding chutes are two sets.
As a further limitation to the above technical solution, a rubber pad is mounted on the supporting claw body.
As a further limitation to the above technical solution, the positioning holes are eight groups.
As a further limitation to the above technical solution, a threaded through hole is opened on an outer end surface of the fastening screw ring, and a screw is installed in the threaded through hole.
As a further limitation to the above technical solution, a plurality of sets of blind holes convenient for installing a screwing tool are spaced apart from each other on the outer end surface of the fastening spiral ring.
The utility model discloses a clamping device of reducing in succession stirs the arch through external force and makes the guide post in the body of rod portion slide in the second spout and drive and support the claw body and move down to required position after will stir protruding locating hole that corresponds the position fixed via the fixed pin, can realize reducing in succession, device expansibility is strong, the range of application is wide, and easily operation.
Drawings
Fig. 1 is a schematic view of an assembly structure of a continuously variable diameter clamping device of the present invention;
fig. 2 is a schematic view of another state of the assembly structure of the clamping device capable of continuously reducing diameter according to the present invention;
fig. 3 is a schematic view of a further state assembly structure of the clamping device capable of continuously reducing diameter according to the present invention;
fig. 4 is an exploded schematic view of a continuously variable diameter clamping device according to the present invention;
FIG. 5 is a schematic view of a partially assembled structure of the jaw assembly of the present invention;
FIG. 6 is a schematic structural view of the cylindrical rod body of the present invention;
fig. 7 is another schematic view of the cylindrical rod of the present invention.
In the figure:
1-fixed ring, 11-small ring, 12-large ring, 2-rotating ring, 3-fastening spiral ring, 31-threaded through hole, 32-blind hole, 41-first sliding groove, 42-through hole, 43-second sliding groove, 44-positioning hole, 45-toggle protrusion, 51-rod body part, 511-cylindrical rod body, 512-base rod, 513-third sliding groove, 514-mounting hole, 515-positioning guide column, 52-guide column, 53-supporting claw body, 531-rubber pad and 54-fixing pin.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Examples
As shown in fig. 1 to 7, a clamping device capable of continuously reducing diameter, the overall structure of which includes a clamping ring assembly and three sets of jaw assemblies penetrating through the clamping ring assembly at intervals, specifically, the clamping ring assembly overall structure includes a fixed ring 1, a rotating ring 2, a fastening spiral ring 3 and a slideway portion, specifically, the fixed ring 1 is formed by surrounding a large ring 12 and a small ring 11 and is arranged in a convex shape, the rotating ring 2 is sleeved on the outer surface of the small ring 11 and can rotate under the action of an external force, in this embodiment, an external thread is formed on the outer surface of the small ring 11, an internal thread is formed on the inner surface of the fastening spiral ring 3, the fastening spiral ring 3 is screwed on the external thread to position the rotating ring 2, and the slideway portion is three sets for sliding the jaw assemblies at respective corresponding positions to perform diameter reduction adjustment.
As shown in fig. 1 to 4, each of the slide ways includes a first sliding groove 41 disposed on the outer surface of the small ring 11, a through hole 42 opened on the rotating ring 2, a second sliding groove 43 tangential to the outer surface of the rotating ring 2 and disposed on the inner side surface of the large ring 12, a plurality of positioning holes 44 disposed on the inner side surface of the large ring 12 adjacent to the second sliding groove 43, and a toggle protrusion 45 disposed on the rotating ring 2 adjacent to the through hole 42.
As shown in fig. 1 to 4, each jaw assembly includes a rod body 51 passing through the first sliding slot 41 and the through hole 42, a guiding post 52 having one end connected to the rod body 51 and the other end inserted into the second sliding slot 43, a supporting jaw 53 connected to the other end of the rod body 51 and located in the small circular ring 11, and a fixing pin 54 for fixing the shifting protrusion 45 and the corresponding positioning hole 44 after shifting the shifting protrusion 45 by an external force to make the guiding post 52 slide in the second sliding slot 43 to drive the supporting jaw 53 to a desired position, in this embodiment, the positioning holes 44 are eight groups, and in order to avoid surface damage to the workpiece, a rubber pad 531 is installed on the supporting jaw 53.
In this embodiment, as shown in fig. 1 to 7, the rod body portion 51 includes a cylindrical rod body 511 and a base rod 512 penetrating through the cylindrical rod body 511, a plurality of sets of L-shaped third sliding grooves 513 are disposed along a length direction of the cylindrical rod body 511, each set of the third sliding grooves 513 is communicated along the length direction of the cylindrical rod body 511, a mounting hole 514 is disposed on the cylindrical rod body 511, a positioning guide pillar 515 is mounted on the base rod 512 through the mounting hole 514, specifically, the guide pillar 52 is detachably mounted at one end of the cylindrical rod body 511, and the supporting claw 53 is formed at one end of the base rod 512, in this embodiment, two sets of the third sliding grooves 513 are provided.
In this embodiment, as shown in fig. 4, in order to make the fixation more stable, a threaded through hole 31 is formed on the outer end surface of the fastening spiral ring 3, a screw is installed in the threaded through hole 31, and for convenience of operation, a plurality of sets of blind holes 32 for facilitating installation of a screwing tool are spaced apart from each other on the outer end surface of the fastening spiral ring 3.
During installation, the rotating ring 2 is sleeved on the fixing ring 1, the through hole 42 corresponds to the first sliding groove 41, the cylindrical rod body 511 sequentially penetrates through the through hole 42 and the first sliding groove 41, one end of the guide post 52 is installed on the cylindrical rod body 511, the other end of the guide post is inserted into the second sliding groove 43, the base rod 512 is inserted into the cylindrical rod body 511, the positioning guide post 515 is installed on the base rod 512 through the installation hole 514, and the base rod 512 is rotated to enable the positioning guide post 515 to be located at the top end of the uppermost third sliding groove 513, the tail end of the uppermost third sliding groove 513 or the tail end of the lowermost third sliding groove 513 according to use requirements.
When the fixing device is used, the fixing pin 54 is pulled out, the poking bulge 45 of the rotating ring 2 is poked by external force, so that the rotating ring 2 drives the guide post 52 on the cylindrical rod body 511 to slide in the second sliding groove 43, because the second sliding groove 43 is arranged in a tangent way with the outer surface of the rotating ring 2, when the guide post 52 slides in the second sliding groove 43, the supporting claw body 53 rises or moves downwards in the small circular ring 11, the position of the supporting claw body 53 is changed, the clamping inner diameter is changed, when the fixing device moves to a required position, the inner hole of the poking bulge 45 is aligned to the positioning hole 44 at the corresponding position, the fixing pin 54 is inserted, and in order to ensure stable positioning, the screw in the threaded through hole 31 is screwed at the moment, so that; if the length of the second sliding groove 43 does not meet the requirement for diameter variation, the base rod 512 can be rotated to position the positioning guide post 515 at three positions, i.e., the top end of the uppermost third sliding groove 513, the tail end of the uppermost third sliding groove 513, or the tail end of the lowermost third sliding groove 513, according to the use requirement, thereby further changing the clamping inner diameter and completing the diameter variation.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be covered by the present invention within the technical scope of the present invention, and the technical solution obtained by replacing or changing the technical idea of the present invention with equivalents.
Claims (7)
1. The utility model provides a clamping device that can change diameter in succession which characterized in that: the clamping ring assembly comprises a fixing ring and three groups of clamping jaw assemblies, wherein the fixing ring is formed by a large ring and a small ring in a surrounding mode and is arranged in a convex mode, the small ring is sleeved on the outer surface of the small ring, external threads are formed on the outer surface of the small ring, the clamping ring assembly further comprises a fastening spiral ring which is screwed on the external threads to limit the rotating ring, three groups of slideway parts which are used for the clamping jaw assemblies at the corresponding positions to slide respectively to perform reducing adjustment, each slideway part comprises a first chute arranged on the outer surface of the small ring and a penetrating hole arranged on the rotating ring, and the clamping ring assembly further comprises a second chute which is tangent to the outer surface of the rotating ring and is arranged on the inner side surface of the large ring, and a plurality of groups of positioning holes arranged on the inner side surface of the large ring adjacent to the second chute and a plurality of groups of positioning holes arranged on the inner side surface of the large ring adjacent to the penetrating hole and a shifting protrusion arranged on the rotating Each jack catch subassembly is including wearing to locate first spout with the downthehole body of rod portion is worn to establish respectively, and one end connect in body of rod portion, the other end are inserted and are located the guide post in the second spout, still including connect in the body of rod portion other end just is located the intra-annular support claw body of small circle, and stir at the external force stir the arch and make the guide post slide in the second spout and drive support claw body to required position after will stir protruding with the corresponding fixed pin that the locating hole is fixed.
2. The clamping device capable of continuously reducing the diameter according to claim 1, wherein: the rod body part comprises a cylindrical rod body and a base rod penetrating through the cylindrical rod body, a plurality of groups of L-shaped third sliding grooves are formed in the length direction of the cylindrical rod body, the third sliding grooves are communicated with each other in the length direction of the cylindrical rod body, mounting holes are formed in the cylindrical rod body, and positioning guide columns are mounted on the base rod through the mounting holes.
3. The clamping device capable of continuously reducing as claimed in claim 2, wherein: the third chutes are divided into two groups.
4. The clamping device capable of continuously reducing the diameter according to claim 1, wherein: and rubber pads are arranged on the supporting claw bodies.
5. The clamping device capable of continuously reducing the diameter according to claim 1, wherein: the locating hole is eight groups.
6. The clamping device capable of continuously reducing as claimed in any one of claims 1 to 5, wherein: and a threaded through hole is formed in the outer end surface of the fastening spiral ring, and a screw is installed in the threaded through hole.
7. The clamping device capable of continuously reducing according to claim 6, wherein: and a plurality of groups of blind holes convenient for installing screwing tools are arranged on the outer end surface of the fastening spiral ring at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021759703.XU CN212706428U (en) | 2020-08-21 | 2020-08-21 | Clamping device capable of continuously reducing diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021759703.XU CN212706428U (en) | 2020-08-21 | 2020-08-21 | Clamping device capable of continuously reducing diameter |
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| Publication Number | Publication Date |
|---|---|
| CN212706428U true CN212706428U (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021759703.XU Active CN212706428U (en) | 2020-08-21 | 2020-08-21 | Clamping device capable of continuously reducing diameter |
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| CN (1) | CN212706428U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113457374A (en) * | 2021-09-03 | 2021-10-01 | 成都康拓兴业科技有限责任公司 | Spiral ring pre-tightening structure for helicopter molecular sieve bed component |
| CN114146271A (en) * | 2021-09-14 | 2022-03-08 | 中国人民解放军总医院第六医学中心 | Special portable oxygen therapy device of emergency department's nursing |
| CN114346953A (en) * | 2021-12-17 | 2022-04-15 | 中国北方发动机研究所(天津) | Powerful disassembling tool for engine filter |
-
2020
- 2020-08-21 CN CN202021759703.XU patent/CN212706428U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113457374A (en) * | 2021-09-03 | 2021-10-01 | 成都康拓兴业科技有限责任公司 | Spiral ring pre-tightening structure for helicopter molecular sieve bed component |
| CN113457374B (en) * | 2021-09-03 | 2021-12-24 | 成都康拓兴业科技有限责任公司 | Spiral ring pre-tightening structure for helicopter molecular sieve bed component |
| CN114146271A (en) * | 2021-09-14 | 2022-03-08 | 中国人民解放军总医院第六医学中心 | Special portable oxygen therapy device of emergency department's nursing |
| CN114346953A (en) * | 2021-12-17 | 2022-04-15 | 中国北方发动机研究所(天津) | Powerful disassembling tool for engine filter |
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