CN204115756U - A kind of high precision holds jacket type measuring seat tightly - Google Patents
A kind of high precision holds jacket type measuring seat tightly Download PDFInfo
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- CN204115756U CN204115756U CN201420591414.1U CN201420591414U CN204115756U CN 204115756 U CN204115756 U CN 204115756U CN 201420591414 U CN201420591414 U CN 201420591414U CN 204115756 U CN204115756 U CN 204115756U
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- resilient sleeve
- high precision
- jacket type
- type measuring
- measuring seat
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Abstract
A kind of high precision of the utility model jacket type measuring seat relates to a kind of mechanical fitting for fixedly mounting the instrument with measuring staff.Its objective is that a kind of installation is firm, resetting measuring error is little, the simple high precision of structure holds jacket type measuring seat tightly in order to provide.A kind of high precision of the utility model is held jacket type measuring seat tightly and is comprised frame, frame lower is provided with detent mechanism, central rack is processed with through hole, through hole inside is provided with the resilient sleeve carrying out linear cutter at longitudinal direction, resilient sleeve is fixed by the first jackscrew, contact with resilient sleeve top bottom first jackscrew, the sidewall of resilient sleeve top left side is processed with the first gap run through inside and outside resilient sleeve, the sidewall of resilient sleeve top right side is processed with skewed slot, the left side of skewed slot is communicated with resilient sleeve inside, resilient sleeve inside is provided with spring housing, spring housing is processed with the second gap.
Description
Technical field
The utility model relates to a kind of instrument and detects accessory, particularly relates to and a kind ofly holds jacket type measuring seat tightly for the high precision fixedly mounted with the instrument of measuring staff.
Background technology
The surveying instrument that precision is higher all needs often to calibrate it when it dispatches from the factory or after it uses a period of time, with the various table quasi-instruments of measuring staff, such as length gauge, needs when calibrating, by fixing for the measuring staff of measuring staff outside cover, then to calibrate gauge head.The existing measuring seat for fixedly mounting measuring staff cover is normally by the through hole that measuring staff overlaps slightly larger than measuring staff through diameter, and then measuring staff cover is fixed and measures by direct extruding by jackscrew.This directly exist certain problem by the fixed form of jackscrew extruding measuring staff cover.The through-hole diameter installed is slightly larger than measuring staff cover, and only fixing it with jackscrew, to install degree of stability general, easily loosen, and when repeating to install, the error of position location is larger again when repeatedly calibration operation.
Utility model content
The technical problems to be solved in the utility model be to provide a kind of to install firmly, resetting measuring error is little, the simple high precision of structure holds jacket type measuring seat tightly.
A kind of high precision of the utility model holds jacket type measuring seat tightly, comprise frame, frame lower is provided with detent mechanism, central rack is processed with the through hole of fore-and-aft direction, described through hole inside is provided with resilient sleeve, the external diameter of resilient sleeve is slightly less than the internal diameter of through hole, frame top has penetrated the first jackscrew, contact with resilient sleeve top bottom first jackscrew, the sidewall of resilient sleeve top left side is processed with the first gap run through inside and outside resilient sleeve, the sidewall of resilient sleeve top right side is processed with skewed slot, the left side of skewed slot is communicated with resilient sleeve inside, resilient sleeve inside is provided with spring housing, the external diameter of spring housing is slightly less than the internal diameter of resilient sleeve, spring housing is processed with the second gap.
A kind of high precision of the utility model holds jacket type measuring seat tightly, wherein said detent mechanism comprises trapezoidal slide block, groove is processed with on the right side of described trapezoidal slide block, locating piece is movably set with in groove, locating piece top is positioned at machine frame inside, and drives it to move up and down by the second jackscrew penetrated on the right side of frame, is provided with screw bottom frame, down, the marginal portion of screw head is positioned at below locating piece the head of screw.
A kind of high precision of the utility model holds jacket type measuring seat tightly, and wherein said frame is provided with detent mechanism, and described detent mechanism is used for the location of resilient sleeve and spring housing being carried out to axial and circumferential.
A kind of high precision of the utility model holds jacket type measuring seat tightly, wherein said detent mechanism comprises the 3rd jackscrew, described resilient sleeve offers the first pilot hole, described spring housing offers the second pilot hole, and the first pilot hole is identical with the aperture of the second pilot hole, described 3rd jackscrew penetrates from frame and passes the first pilot hole and the second pilot hole.
A kind of high precision of the utility model holds jacket type measuring seat tightly, and wherein said skewed slot is the deep-slotted chip breaker along the distribution of resilient sleeve circumference.
A kind of high precision of the utility model holds jacket type measuring seat tightly, the material selection manganese steel of wherein said resilient sleeve.
A kind of high precision of the utility model holds jacket type measuring seat tightly, the material selection copper of wherein said spring housing.
A kind of high precision of the utility model is held jacket type measuring seat difference from prior art tightly and is that a kind of high precision of the utility model is held jacket type measuring seat tightly and be provided with resilient sleeve and spring housing in the through hole of central rack, is fixed by the measuring staff of the instrument with measuring staff cover by resilient sleeve and spring housing.First jackscrew is pressed in downwards above resilient sleeve from frame top, and the first gap of resilient sleeve top left side and the skewed slot on right side all contribute to resilient sleeve top and produce certain deformation under the extruding of the first jackscrew.Second spring housing is processed with the second gap, the second gap contributes to spring housing generation when being subject to resilient sleeve extruding can produce certain deformation.When the first jackscrew compresses resilient sleeve downwards, resilient sleeve and spring housing shrink simultaneously holds measuring staff cover tightly, and spring housing and measuring staff overlap outside and fully contact, install very firm, even if repeatedly measure, also can ensure the accurate positioning of measuring staff, invariant position, measuring error is less.Because measuring staff cover and spring housing, space between resilient sleeve and frame are all less, and spring housing and resilient sleeve are by the 3rd jackscrew location, the installation site of measuring staff cover is relatively fixing, and therefore repeatedly install and also can not affect its measurement result, the precision of installation is higher.
Hold jacket type measuring seat below in conjunction with accompanying drawing tightly to a kind of high precision of the present utility model to be described further.
Accompanying drawing explanation
Fig. 1 is the front view that a kind of high precision of the utility model holds jacket type measuring seat tightly;
Fig. 2 is the left view that a kind of high precision of the utility model holds jacket type measuring seat tightly;
Fig. 3 is the front view that a kind of high precision of the utility model holds jacket type measuring seat Elastic sleeve tightly;
Fig. 4 is the left view that a kind of high precision of the utility model holds jacket type measuring seat Elastic sleeve tightly;
Fig. 5 is the front view that a kind of high precision of the utility model holds spring housing in jacket type measuring seat tightly;
Fig. 6 is the left view that a kind of high precision of the utility model holds spring housing in jacket type measuring seat tightly.
Embodiment
As depicted in figs. 1 and 2, a kind of high precision of the utility model is held jacket type measuring seat tightly and is comprised frame 6, and frame 6 bottom is provided with detent mechanism, detent mechanism and dovetail slide bearing with the use of.Detent mechanism comprises trapezoidal slide block 1, and trapezoidal slide block 1 can in dovetail slide bearing inner slide.Groove is processed with on the right side of trapezoidal slide block 1, locating piece 7 is movably set with in groove, it is inner that locating piece 7 top is positioned at frame 6, and drive it to move up and down by the second jackscrew 8 penetrated on the right side of frame 6, screw 9 is installed bottom frame 6, down, the marginal portion of screw 9 head is positioned at below locating piece 7 head of screw 9, prevents locating piece 7 from continuing to move downward.When locating piece 7 moves upward, locating piece 7 compresses dovetail slide bearing, frame 6 is fixed; When locating piece 7 moves downward, locating piece 7 is separated with dovetail slide bearing, frame 6 track-movable.Be processed with the through hole of fore-and-aft direction in the middle part of frame 6, through hole inside is provided with resilient sleeve 5, the material selection manganese steel of resilient sleeve 5, and the external diameter of resilient sleeve 5 is slightly less than the internal diameter of through hole.Frame 6 top has penetrated bottom the first jackscrew 3, first jackscrew 3 and has contacted with resilient sleeve 5 top.As shown in Figure 3 and Figure 4, the sidewall of resilient sleeve 5 top left side adopts wire cutting technology to be processed with run through the first gap 10 inside and outside resilient sleeve 5, the sidewall of resilient sleeve 5 top right side is processed with skewed slot 11, skewed slot 11 is the deep-slotted chip breaker along the distribution of resilient sleeve 5 circumference, and deep-slotted chip breaker adopts wire cutting technology processing.The left side of skewed slot 11 is communicated with resilient sleeve 5 inside.First gap 10 and skewed slot 11 are conducive to making the top of resilient sleeve 5 produce certain deformation when resilient sleeve 5 pressurized.As shown in Fig. 1, Fig. 5 and Fig. 6, resilient sleeve 5 inside is provided with spring housing 4, the material selection copper of spring housing 4, and the external diameter of spring housing 4 is slightly less than the internal diameter of resilient sleeve 5.Frame 6 is provided with detent mechanism, and detent mechanism comprises the 3rd jackscrew 2.Resilient sleeve 5 is processed with the first pilot hole 14, spring housing 4 is processed with the second pilot hole 13, and the first pilot hole 14 is identical with the aperture of the second pilot hole 13.3rd jackscrew 2 penetrates in frame 6, and through the first pilot hole 14 and the second pilot hole 13.As shown in Figure 5, spring housing 4 is processed with the second gap 12.
The course of work that a kind of high precision of the utility model holds jacket type measuring seat tightly is as follows: put in dovetail slide bearing by frame 6, and the second jackscrew 8 controls locating piece 7 and moves upward and compress dovetail slide bearing.By the measuring staff of instrument to be measured through spring housing 4.First jackscrew 3 moves downward and compresses resilient sleeve 5.Resilient sleeve 5 and spring housing 4 shrink the measuring staff cover holding measuring staff outside tightly successively, by the location of measuring staff accurate stable.
Above-described embodiment is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that the utility model claims determine.
Claims (7)
1. a high precision holds jacket type measuring seat tightly, comprise frame, frame lower is provided with detent mechanism, it is characterized in that: central rack is processed with the through hole of fore-and-aft direction, described through hole inside is provided with resilient sleeve, the external diameter of resilient sleeve is slightly less than the internal diameter of through hole, frame top has penetrated the first jackscrew, contact with resilient sleeve top bottom first jackscrew, the sidewall of resilient sleeve top left side is processed with the first gap run through inside and outside resilient sleeve, the sidewall of resilient sleeve top right side is processed with skewed slot, the left side of skewed slot is communicated with resilient sleeve inside, resilient sleeve inside is provided with spring housing, the external diameter of spring housing is slightly less than the internal diameter of resilient sleeve, spring housing is processed with the second gap.
2. a kind of high precision according to claim 1 holds jacket type measuring seat tightly, it is characterized in that: described detent mechanism comprises trapezoidal slide block, groove is processed with on the right side of described trapezoidal slide block, locating piece is movably set with in groove, locating piece top is positioned at machine frame inside, and drives it to move up and down by the second jackscrew penetrated on the right side of frame, is provided with screw bottom frame, down, the marginal portion of screw head is positioned at below locating piece the head of screw.
3. a kind of high precision according to claim 1 holds jacket type measuring seat tightly, it is characterized in that: described frame is provided with detent mechanism, and described detent mechanism is used for the location of resilient sleeve and spring housing being carried out to axial and circumferential.
4. a kind of high precision according to claim 3 holds jacket type measuring seat tightly, it is characterized in that: described detent mechanism comprises the 3rd jackscrew, described resilient sleeve offers the first pilot hole, described spring housing offers the second pilot hole, and the first pilot hole is identical with the aperture of the second pilot hole, described 3rd jackscrew penetrates from frame and passes the first pilot hole and the second pilot hole.
5. a kind of high precision according to claim 1 holds jacket type measuring seat tightly, it is characterized in that: described skewed slot is the deep-slotted chip breaker along the distribution of resilient sleeve circumference.
6. a kind of high precision according to claim 1 holds jacket type measuring seat tightly, it is characterized in that: the material selection manganese steel of described resilient sleeve.
7. a kind of high precision according to claim 1 holds jacket type measuring seat tightly, it is characterized in that: the material selection copper of described spring housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420591414.1U CN204115756U (en) | 2014-10-13 | 2014-10-13 | A kind of high precision holds jacket type measuring seat tightly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420591414.1U CN204115756U (en) | 2014-10-13 | 2014-10-13 | A kind of high precision holds jacket type measuring seat tightly |
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| Publication Number | Publication Date |
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| CN204115756U true CN204115756U (en) | 2015-01-21 |
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| CN201420591414.1U Active CN204115756U (en) | 2014-10-13 | 2014-10-13 | A kind of high precision holds jacket type measuring seat tightly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104316098A (en) * | 2014-10-13 | 2015-01-28 | 北京德上科技有限公司 | High-precision clamping jacket type measuring base |
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2014
- 2014-10-13 CN CN201420591414.1U patent/CN204115756U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104316098A (en) * | 2014-10-13 | 2015-01-28 | 北京德上科技有限公司 | High-precision clamping jacket type measuring base |
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| GR01 | Patent grant |