CN112049845B - Telescopic device for precision instrument - Google Patents
Telescopic device for precision instrument Download PDFInfo
- Publication number
- CN112049845B CN112049845B CN202010836982.3A CN202010836982A CN112049845B CN 112049845 B CN112049845 B CN 112049845B CN 202010836982 A CN202010836982 A CN 202010836982A CN 112049845 B CN112049845 B CN 112049845B
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- lifter
- hole
- gear
- rack
- sliding
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- 238000009434 installation Methods 0.000 claims abstract description 25
- 230000000670 limiting effect Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035943 smell Effects 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/10—Telescoping systems
- F16B7/14—Telescoping systems locking in intermediate non-discrete positions
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to the field of mechanical equipment, and the technical scheme of the invention is as follows: a telescopic device for a precision instrument comprises a fixing mechanism and a sliding mechanism arranged on the fixing mechanism in a sliding mode, wherein the fixing mechanism comprises an installation base, the installation base is of a cylindrical structure, an installation groove is formed in the middle of the installation base, and a rack is fixedly arranged in the installation groove; the sliding mechanism comprises a sliding block seat, a gear is fixed on the sliding block seat in a rotating mode, the gear is matched with the rack, a sliding support rod is arranged on the sliding block seat, two oval adjusting holes are formed in two sides of the top end of the sliding support rod, a buckle is further arranged on the sliding block seat and comprises a locking block, the cuboid structure of the locking block is provided, the lower end of the locking block is matched with the gear, the buckle further comprises a lifting rod, a bend is formed in the top end of the lifting rod, and the top end of the lifting rod is located at the adjusting hole.
Description
Technical Field
The invention relates to the field of mechanical equipment, in particular to a telescopic device for a precision instrument.
Background
At present, the telescopic device is mainly used for lifting and lowering instruments with light and small weight, impact and vibration on the instruments are reduced, and the telescopic device is large in size, safe, prone to generate oil leakage and smells and the like due to the fact that air pressure, hydraulic pressure and electric power exist in the market. Therefore, there is a need for an improved structure that overcomes the above-mentioned deficiencies.
Disclosure of Invention
The invention aims to provide a telescopic device for a precision instrument.
The technical purpose of the invention is realized by the following technical scheme: a telescopic device for a precision instrument comprises a fixing mechanism and a sliding mechanism arranged on the fixing mechanism in a sliding mode, wherein the fixing mechanism comprises an installation base, the installation base is of a cylindrical structure, an installation groove is formed in the middle of the installation base, and a rack is fixedly arranged in the installation groove;
the sliding mechanism comprises a sliding block seat, a gear is fixed on the sliding block seat in a rotating mode, the gear is matched with the rack, a sliding support rod is arranged on the sliding block seat, two oval adjusting holes are formed in two sides of the top end of the sliding support rod, a buckle is further arranged on the sliding block seat and comprises a locking block, the cuboid structure of the locking block is formed, the lower end of the locking block is matched with the gear, the buckle further comprises a lifting rod, a bend is formed in the top end of the lifting rod, a spring is arranged at the joint of the locking block and the lifting rod, and the top end of the lifting rod is located at the adjusting hole.
By adopting the technical scheme, the telescopic device can be implemented by the arrangement of the fixing mechanism and the sliding mechanism; the arrangement of the buckle ensures that a forced stopping function can be realized in the telescopic process, and the situation that the slide-down is caused by gravity in the using process can be avoided; the setting of lifter makes when using the buckle convenient simple more, and the operation is lighter.
The invention is further provided with: still be provided with the fixed stay pole on the installation base, the fixed stay pole is hollow cylinder structure, the inside four raised lines strips that evenly are provided with of fixed stay pole, the fixed stay pole top is provided with the stop collar, the stop collar is hollow ring structure, the stop collar top is provided with and is used for spacing ring, and the stop collar diameter is greater than the slip bracing piece external diameter, the stop collar lower extreme is provided with the recess that suits with the raised line strip, the stop collar outside is provided with the lid that contracts, it will to contract the lid the stop collar with the fixed stay pole links into an integrated entity.
Through adopting above-mentioned technical scheme, the setting up of shrink lid makes the fixed support upper end on the installation base can have the effect of shrink, can contact with inside sliding support pole, has guaranteed the leakproofness and the pleasing to the eye of device.
The invention is further provided with: the inside rubber packing ring that still is provided with of stop collar, the rubber packing ring with the sliding support pole contacts.
Through adopting above-mentioned technical scheme, the setting of rubber packing ring can guarantee that sliding support pole and fixed support pole can not lead to the damage because of frictional force is too big at the contact in-process.
The invention is further provided with: the top end of the sliding support rod is provided with a threaded rotary joint, so the threaded rotary joint is of a hollow circular ring structure, and the middle part of the upper surface of the threaded rotary joint is also provided with a mounting groove.
The invention is further provided with: the utility model discloses a telescopic lifter, including slide support bar, lifter staple bolt, adjusting hole, mounting hole, fixing bolt, lifter staple bolt, lifter handle middle part is provided with the lifter fixed slot, the lifter top is fixed in the lifter fixed slot, the lifter staple bolt cover is equipped with the lifter staple bolt, the lifter staple bolt is hollow structure, lifter staple bolt both sides seted up with the oval opening that the adjusting hole suits, be provided with the lifter handle in the lifter staple bolt, the lifter handle is Z type structure, lifter handle one end is provided with the mounting hole, fixing bolt pass the mounting hole with the lifter staple bolt is fixed, lifter handle middle part is provided with the lifter fixed slot, the lifter top is fixed in the lifter fixed slot.
Through adopting above-mentioned technical scheme, the setting of lifter staple bolt can make the lifter handle can fix for it is more simple and convenient laborsaving to adjust the height in the use.
The invention is further provided with: the slider seat is provided with a rack hole and a buckle hole, the rack hole is a T-shaped through hole, the upper end of the buckle hole is a circular through hole, the lower end of the buckle hole is a square through hole, two gear fixing blocks are symmetrically arranged below the slider seat, a space for the gear to rotate is reserved between the gear fixing blocks, the outer side surface of each gear fixing block is provided with a long-strip-shaped gear fixing groove, and the gear is matched with the gear fixing blocks.
Through adopting above-mentioned technical scheme, the setting of holder can guarantee that the gear can rotate on the holder, and has guaranteed the normal operating of device.
The invention is further provided with: the rack penetrates through the rack hole, the buckle penetrates through the rack hole, two fixing holes are formed in the lower end of the rack, and two fixing screws penetrate through the fixing holes to fix the rack on the mounting base.
In conclusion, the invention has the following beneficial effects:
1) the arrangement of the fixing mechanism and the sliding mechanism enables the telescopic device to be implemented; the arrangement of the buckle ensures that a forced stopping function can be realized in the telescopic process, and the situation that the slide-down is caused by gravity in the using process can be avoided; the setting of lifter makes when using the buckle convenient simple more, and the operation is lighter.
2) The upper end of the fixed supporting rod on the mounting base can have a tightening effect due to the arrangement of the tightening cover, and can be in contact with the sliding supporting rod inside, so that the sealing performance and the attractiveness of the device are guaranteed.
3) The arrangement of the rubber gasket can ensure that the sliding support rod and the fixed support rod are not damaged due to too large friction force in the contact process.
4) The arrangement of the rack hole and the buckle hole is used for enabling the buckle and the rack to be placed accurately, and certain positioning and limiting effects are achieved.
Drawings
Fig. 1 is a schematic structural diagram of a telescopic device for a precision instrument according to the present invention.
Fig. 2 is a schematic structural diagram of a telescopic device for a precision instrument according to the present invention.
Fig. 3 is a schematic structural view of a lifter knob according to the present invention.
Fig. 4 is a schematic structural view of the slider holder according to the present invention.
Fig. 5 is a schematic structural view of the sliding support rod according to the present invention.
Fig. 6 is a schematic structural view of the buckle according to the present invention.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the invention is further described with reference to the figures and the specific embodiments.
As shown in fig. 1-6, the telescopic device for a precision instrument provided by the present invention comprises a fixing mechanism 1 and a sliding mechanism 2 slidably disposed on the fixing mechanism 1, wherein the fixing mechanism 1 comprises an installation base 11, the installation base 11 is a cylindrical structure, an installation groove is formed in the middle of the installation base 11, and a rack 12 is fixedly disposed in the installation groove;
the sliding mechanism 2 comprises a sliding block seat 21, a gear 22 is fixedly arranged on the sliding block seat 21 in a rotating mode, the gear 22 is matched with the rack 12, a sliding support rod 23 is arranged on the sliding block seat 21, two oval adjusting holes 231 are formed in two sides of the top end of the sliding support rod 23, a buckle 25 is further arranged on the sliding block seat 21, the buckle 25 comprises a locking block 251, the cuboid structure of the locking block 251 is provided, the lower end of the locking block 251 is matched with the gear 22, the buckle 25 further comprises a lifting rod 252, a bend is formed in the top end of the lifting rod 252, a spring is arranged at the joint of the locking block 251 and the lifting rod 252, and the top end of the lifting rod 252 is located at the position of the adjusting hole 231.
The invention is further provided with: still be provided with fixed support rod 13 on the installation base 11, fixed support rod 13 is hollow cylinder structure, fixed support rod 13 is inside evenly to be provided with four convex line strips, fixed support rod 13 top is provided with stop collar 14, stop collar 14 is hollow ring structure, 14 tops of stop collar are provided with and are used for spacing ring, and the spacing ring diameter is greater than the 23 external diameters of slip bracing piece, 14 lower extremes of stop collar are provided with the recess that suits with the convex line strip, 14 outsides of stop collar are provided with the lid 15 that contracts, it will to contract the lid 15 the stop collar 14 with fixed support rod 13 links into an integrated entity.
The invention is further provided with: the inside of the limiting sleeve 14 is also provided with a rubber gasket 16, and the rubber gasket 16 is in contact with the sliding support rod 23.
The invention is further provided with: the top end of the sliding support rod 23 is provided with a threaded rotary joint 24, so the threaded rotary joint 24 is of a hollow circular ring structure, and the middle part of the upper surface of the threaded rotary joint 24 is also provided with an installation groove.
The invention is further provided with: 23 top covers of sliding support pole are equipped with lifter staple bolt 26, lifter staple bolt 26 is hollow structure, lifter staple bolt 26 both sides seted up with the oval opening that adjustment hole 231 suited, be provided with lifter handle 27 in the lifter staple bolt 26, lifter handle 27 is Z type structure, lifter handle 27 one end is provided with the mounting hole, fixing bolt pass the mounting hole with lifter staple bolt 26 is fixed, lifter handle 27 middle part is provided with lifter fixed slot 271, the lift 252 top is fixed in the lifter fixed slot 271.
The invention is further provided with: the slider seat 21 is provided with a rack hole 211 and a buckle hole 212, the rack hole 211 is a T-shaped through hole, the upper end of the buckle hole 212 is a circular through hole, the lower end of the buckle hole 212 is a square through hole, two gear fixing blocks 213 are symmetrically arranged below the slider seat 21, a gap for the rotation of the gear 22 is reserved between the two gear fixing blocks 213, the outer side surface of the gear fixing block 213 is provided with a long-strip-shaped gear fixing groove, and the gear 22 is matched with the gear fixing blocks 213.
The invention is further provided with: the rack 12 penetrates through the rack hole 211, the buckle 25 penetrates through the rack hole 211, two fixing holes are formed in the lower end of the rack 12, and two fixing screws penetrate through the fixing holes to fix the rack 12 on the mounting base 11.
The working principle is as follows:
the lifting rod handle is pressed downwards, the sliding support rod above the lifting rod handle is stretched upwards, the gear moves upwards along the rack, when the preset position is reached, the buckle is put down, the gear is clamped and does not move any more, and the lifting motion is completed;
the lifting rod handle is pressed downwards, then the sliding support rod is compressed downwards, the gear moves downwards along the rack, after the gear reaches a preset position, the buckle is put down, descending movement is completed, and therefore telescopic movement is achieved.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a telescoping device for precision instruments, includes fixed establishment (1) and slide set up in slide mechanism (2) on fixed establishment (1), its characterized in that: the fixing mechanism (1) comprises an installation base (11), the installation base (11) is of a cylindrical structure, an installation groove is formed in the middle of the installation base (11), and a rack (12) is fixedly arranged in the installation groove;
the sliding mechanism (2) comprises a sliding block seat (21), a gear (22) is rotationally fixed on the sliding block seat (21), the gear (22) is adapted to the rack (12), a sliding support rod (23) is arranged on the sliding block seat (21), two oval adjusting holes (231) are arranged on two sides of the top end of the sliding support rod (23), the slider seat (21) is also provided with a buckle (25), the buckle (25) comprises a locking block (251), the locking block (251) is of a cuboid structure, the lower end of the locking block (251) is adapted to the gear (22), the buckle (25) also comprises a lifting rod (252), the top end of the lifting rod (252) is provided with a bend, a spring is arranged at the joint of the locking block (251) and the lifting rod (252), and the top end of the lifting rod (252) is positioned at the position of the adjusting hole (231);
the mounting base (11) is further provided with a fixed supporting rod (13), the fixed supporting rod (13) is of a hollow cylindrical structure, four raised strips are uniformly arranged inside the fixed supporting rod (13), the top end of the fixed supporting rod (13) is provided with a limiting sleeve (14), the limiting sleeve (14) is of a hollow circular ring structure, the top end of the limiting sleeve (14) is provided with a limiting ring for limiting, the diameter of the limiting ring is larger than the outer diameter of the sliding supporting rod (23), the lower end of the limiting sleeve (14) is provided with a groove matched with the raised strips, a tightening cover (15) is arranged outside the limiting sleeve (14), and the limiting sleeve (14) and the fixed supporting rod (13) are connected into a whole through the tightening cover (15);
slide support pole (23) top cover is equipped with lifter staple bolt (26), lifter staple bolt (26) are hollow structure, lifter staple bolt (26) both sides seted up with the oval opening that adjustment hole (231) suited, be provided with lifter handle (27) in lifter staple bolt (26), lifter handle (27) are Z type structure, lifter handle (27) one end is provided with the mounting hole, fixing bolt pass the mounting hole with lifter staple bolt (26) are fixed, lifter handle (27) middle part is provided with lifter fixed slot (271), lifter (252) top is fixed in lifter fixed slot (271).
2. A telescopic device for precision instruments according to claim 1, characterized in that: the limiting sleeve (14) is further internally provided with a rubber gasket (16), and the rubber gasket (16) is in contact with the sliding support rod (23).
3. A telescopic device for precision instruments according to claim 1, characterized in that: the top end of the sliding support rod (23) is provided with a threaded rotary joint (24), so the threaded rotary joint (24) is of a hollow circular ring structure, and the middle part of the upper surface of the threaded rotary joint (24) is also provided with an installation groove.
4. A telescopic device for precision instruments according to claim 1, characterized in that: rack hole (211) and buckle hole (212) have been seted up on slider seat (21), rack hole (211) are T type through-hole, the upper end of buckle hole (212) is circular through-hole, buckle hole (212) lower extreme is square through-hole, slider seat (21) below symmetry is provided with two gear fixing block (213), two leave the confession between gear fixing block (213) gear (22) pivoted space, gear fixing block (213) lateral surface is provided with rectangular form gear fixed slot, gear (22) with gear fixing block (213) suit.
5. A telescopic device for precision instruments according to claim 4, characterized in that: the rack (12) penetrates through the rack hole (211), the buckle (25) penetrates through the rack hole (211), two fixing holes are formed in the lower end of the rack (12), and two fixing screws penetrate through the fixing holes to fix the rack (12) on the mounting base (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010836982.3A CN112049845B (en) | 2020-08-19 | 2020-08-19 | Telescopic device for precision instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010836982.3A CN112049845B (en) | 2020-08-19 | 2020-08-19 | Telescopic device for precision instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112049845A CN112049845A (en) | 2020-12-08 |
| CN112049845B true CN112049845B (en) | 2021-11-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010836982.3A Active CN112049845B (en) | 2020-08-19 | 2020-08-19 | Telescopic device for precision instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112049845B (en) |
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| CN212840472U (en) * | 2020-08-19 | 2021-03-30 | 嘉兴坤德精密机械有限公司 | Telescopic device for precision instrument |
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2020
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| CN201687905U (en) * | 2010-03-02 | 2010-12-29 | 浙江泰普森休闲用品有限公司 | Rack lifting mechanism |
| CN103711763A (en) * | 2014-01-04 | 2014-04-09 | 周帅 | Novel controllable telescopic rod |
| WO2016069210A1 (en) * | 2014-10-29 | 2016-05-06 | Deep Blue Design, Llc | Multipod with variable independently angularly articulating lockable legs and monopod tip with concealable stud |
| CN104590903A (en) * | 2014-11-29 | 2015-05-06 | 芜湖银星汽车零部件有限公司 | Lifting device for self-propelled sensor |
| CN108797431A (en) * | 2017-04-27 | 2018-11-13 | 郑州工业应用技术学院 | Rack and pinion mechanism gear lifting lock for automobile parking space |
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| CN207892200U (en) * | 2018-01-22 | 2018-09-21 | 滁州职业技术学院 | A kind of building decoration fixator |
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| Publication number | Publication date |
|---|---|
| CN112049845A (en) | 2020-12-08 |
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