Turn-back type micrometer head
By introducing a folding block and a top contact block structure into the folding micrometer head, the problem of high production cost of existing micrometer heads is solved, and high-precision, low-cost measurement results are achieved.
Patent Information
- Application Number
- CN202423306699.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Existing reversible micrometer heads have high production costs and complex structures.
The structure features a folding block and a top contact block within the base. The top ball contacts the inner end of the output shaft and the micrometer head, allowing the output shaft to rotate and drive the micrometer head for measurement after being subjected to force. This simplifies the structure and reduces production costs.
It achieves high measurement accuracy and low production cost, with a simple structure that reduces production costs.
Smart Images
Figure CN223580842U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to measuring instrument technical field, especially a kind of micro head of turn-back. BACKGROUND
[0002] The existing micro head of turn-back, its shaft for measurement is arranged at 90 degrees with differential head, is driven by inside through worm gear mechanism, because the size of whole is smaller, therefore, the requirement to internal structure is very high, and production cost is higher.
[0003] Therefore, based on the defects of the existing micro head of turn-back, the existing micro head of turn-back needs to be improved. CONTENT OF UTILITY MODEL
[0004] The utility model aims at the deficiency of prior art to provide a kind of micro head of turn-back, which solves the defects of the existing micro head of turn-back, such as high production cost.
[0005] To achieve the above object, the utility model is realized by the following technical scheme.
[0006] A kind of micro head of turn-back, including seat body, hollowly formed cavity in seat body, seat body has two installation holes being arranged at 90 degrees, two installation holes are communicated with cavity, one installation hole is installed shaft, fixed head, another installation hole is installed differential head, pivot is provided with turn-back block in cavity, turn-back block includes top touch block, top touch block has two sides, two sides are arranged at 90 degrees, the inside end of shaft and the inside end of differential head are driven by two sides respectively.
[0007] Further, the turn-back block includes sleeve, the sleeve is provided with rotating shaft, the top touch block protrudes from the side of the sleeve, the two sides of the top touch block are formed with recessed holes, the recessed holes are embedded with top beads, the top bead of one side is in contact with the inside end of the shaft, and the top bead of the other side is in contact with the inside end of the differential head, the shaft is stressed, and the top touch block is rotated with the sleeve, so that accurate measurement can be carried out through the differential head.
[0008] Further, the upper end surface of the seat body is provided with a pivot hole, the rotating shaft passes through the pivot hole to pivot the turn-back block in the cavity, and the turn-back block can rotate around the rotating shaft.
[0009] Further, the outside of the cavity is provided with a cover plate, the cover plate is fixed on the side of the seat body by cover plate screws, and the cavity is sealed.
[0010] Further, the side of the seat body is fixed with the differential head by machine screw, and the side of the seat body is provided with a machine screw mounting hole, which is communicated with the mounting hole of the differential head.
[0011] The utility model discloses a beneficial effect lies in: the outside end of the shaft is stressed, and the inside end of the shaft presses the top touch block, to make the return block rotate, and the return block extrudes the differential head, and the differential head reads the value and can complete the measurement, and the whole structure is simple, can guarantee the precision of measurement, and the production cost is low. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is the structural diagram of the utility model.
[0013] Label and explanation:
[0014] The seat body 1, the shaft 2, the fixed head 3, the differential head 4, the return block 5, the pivot joint hole 6, the cavity 7, the pivot 8, the cover plate 9, the cover plate screw 10, the machine screw 11, the sleeve 12, the top touch block 13, the top pearl 14. SPECIFIC EMBODIMENT
[0015] The utility model makes further explanation in combination with the drawings.
[0016] See Figure 1 The utility model discloses a return type micrometer head, which comprises a seat body 1, a cavity 7 formed in the seat body 1, two mounting holes arranged at an angle of 90 degrees on the seat body 1, and a differential head 4 mounted in one of the mounting holes, wherein a shaft 2 and a fixed head 3 are mounted in the other mounting hole. The cavity 7 is provided with a return block 5, a pivot joint hole 6 is formed in the upper end surface of the seat body 1, and a pivot 8 is arranged to pivotally connect the return block 5 to the cavity 7. The outer side of the cavity 7 is provided with a cover plate 9, and the cover plate 9 is fixed to the side surface of the seat body 1 by a cover plate screw 10.
[0017] The side surface of the seat body 1 is provided with a machine screw 11 for fixing the differential head 4.
[0018] The return block 5 comprises a sleeve 12, a top touch block 13 and a top pearl 14. The sleeve 12 is arranged around the pivot 8, the top touch block 13 protrudes from the side surface of the sleeve 12, the top touch block 13 has two side edges arranged at an angle of 90 degrees, each side edge is provided with an inner recess hole, and the top pearl 14 is arranged in the inner recess hole. The top pearl 14 on one side edge is in contact with the inside end of the shaft 2, and the top pearl 14 on the other side edge is in contact with the inside end of the differential head 4.
[0019] In use, the outside end of the shaft 2 is in close contact with the measured object, the outside end is stressed, the inside end of the shaft 2 presses the top pearl 14, and the top touch block 13 rotates around the pivot 8 together with the sleeve 12. The top pearl 14 on the other side edge of the top touch block 13 extrudes the differential head 4, the differential head 4 is rotated, the differential head 4 is in close contact with the top pearl 14, and the value read by the differential head 4 can complete the measurement.
[0020] Of course, the above-mentioned embodiments are only preferred examples of the present application, and are not intended to limit the scope of the present application. Therefore, equivalent changes or modifications made in accordance with the structure, features and principles described in the patent application of the present application shall be included in the patent application of the present application.
Claims
1. A foldback micrometer head, characterized in that: The device includes a base, which is hollow to form a cavity. The base has two mounting holes set at 90 degrees and communicating with the cavity. One mounting hole is used to install the output shaft and the fixed head, and the other mounting hole is used to install the micrometer head. A deflection block is pivotally installed inside the cavity. The deflection block includes a top contact block with two sides set at 90 degrees. The two sides drive the inner end of the output shaft and the inner end of the micrometer head, respectively.
2. The reflex micrometer head according to claim 1, characterized in that: The aforementioned return block includes a sleeve through which a rotating shaft passes. A top contact block protrudes from the side of the sleeve. Both sides of the top contact block are formed with concave holes, and a top bead is embedded in the concave hole. The top bead on one side contacts the inner end of the output shaft, and the top bead on the other side contacts the inner end of the micrometer head.
3. A foldback micrometer head according to claim 2, characterized in that: The upper end face of the seat is provided with a pivot hole, and the rotating shaft passes through the pivot hole to pivotally connect the folding block into the cavity.
4. A foldback micrometer head according to claim 1, characterized in that: The cavity is equipped with a cover plate on the outside, and the cover plate is fixed to the side of the base by cover plate screws.
5. A foldback micrometer head according to claim 1, characterized in that: The micrometer head is fixed to the side of the base by a nut screw.