CN221315612U - Compass convenient for replacing needle - Google Patents
Compass convenient for replacing needle Download PDFInfo
- Publication number
- CN221315612U CN221315612U CN202323138334.9U CN202323138334U CN221315612U CN 221315612 U CN221315612 U CN 221315612U CN 202323138334 U CN202323138334 U CN 202323138334U CN 221315612 U CN221315612 U CN 221315612U
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- compass
- needle
- supporting leg
- connecting piece
- sleeve
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- 238000005299 abrasion Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
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- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model relates to the technical field of stationery processing and discloses a compass facilitating needle replacement, which comprises a compass connecting piece, wherein an adjusting screw is movably arranged at the front end of the compass connecting piece, needle legs and pen core legs are arranged on two sides of the compass connecting piece, the needle legs and the pen core legs are mutually meshed with the compass connecting piece through the adjusting screw, a needle connecting sleeve is inserted and arranged at one end of the needle legs, which is far away from the compass connecting piece, and a fixed sliding sleeve is sleeved on the surface of the needle connecting sleeve.
Description
Technical Field
The utility model relates to the technical field of stationery processing, in particular to a pair of compasses convenient for replacing a needle head.
Background
The study articles are tools commonly used in study, and from the category, the study articles can be mainly divided into two categories: conventional learning articles and electronic learning articles, such as notebooks, erasers, blackboards, desks, inks, rulers, compasses, writing cases, schoolbags, and the like.
At present, the needle of the compass used in the study is in a fixed configuration, such as damage or abrasion, which leads to insufficient accuracy, needs to be abandoned and wastes resources, and therefore, a compass needle convenient to replace is provided so as to solve the problems.
Disclosure of utility model
The utility model provides the compass which is convenient for replacing the needle head and solves the problem that the needle head of the compass cannot be replaced.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the compass comprises a compass connecting piece, wherein a compass rotating shaft is fixedly arranged at the top of the compass connecting piece, an adjusting screw is movably arranged at the front end of the compass connecting piece, needle supporting legs and pen core supporting legs are arranged on two sides of the compass connecting piece and are mutually meshed with the compass connecting piece through the adjusting screw, the tops of the needle supporting legs and the pen core supporting legs are positioned in the compass connecting piece, a needle connecting sleeve is arranged at one end of the needle supporting legs away from the compass connecting piece in an inserting mode, a fixed sliding sleeve is sleeved on the surface of the needle connecting sleeve, a compass needle is arranged at the bottom of the needle connecting sleeve in an inserting mode, a pen core sleeve is arranged at one end of the pen core supporting legs away from the compass connecting piece in an inserting mode, and a compass pen point is fixedly arranged at the bottom of the pen core sleeve; the needle head supporting leg is characterized in that a fixing bolt is fixedly arranged in the middle of the front end of the needle head supporting leg, the needle head supporting leg is fixedly connected with a radius scale through the fixing bolt, an arc-shaped groove is formed in the radius scale, a connecting cylindrical head is fixedly arranged in the middle of the right side of the inside of the arc-shaped groove and the front end of the pen core supporting leg, a scale is arranged at the bottom of the arc-shaped groove and on the front side wall of the radius scale, and a required angle is conveniently and directly drawn.
As an improvement, the inside fixedly connected with of syringe needle adapter sleeve is fixed the cover, a plurality of openings have been seted up to fixed cover lower extreme surface, the compasses syringe needle is installed in the fixed cover, the both sides fixedly connected with stopper of syringe needle adapter sleeve, fixed cover can fix the compasses syringe needle, makes the device more stable.
As an improvement, the two sides of the upper end of the inner cavity of the fixed sliding sleeve are provided with sliding grooves, the sliding grooves are in sliding fit with the limiting blocks, the upper ends of the limiting blocks are fixedly connected with telescopic springs, the tops of the telescopic springs are fixedly connected with the tops of the sliding grooves, the lower portion of the inner cavity of the fixed sliding sleeve is provided with conical grooves, the conical grooves are matched with the lower portion of the fixed sleeve, the compass needle is convenient to detach and replace, and the device is more practical.
Compared with the prior art, the utility model has the advantages that: through pulling fixed sliding sleeve downwards, fixed cover below breaks away from the toper recess, and fixed cover below is relaxed, just can change the compasses syringe needle, after changing, unclamp fixed sliding sleeve, reset under the effect of extension spring elasticity, in fixed cover below gets back to the toper recess, fixed cover below contracts, fixes the compasses syringe needle, through the radius scale, can directly draw wanted angle, convenient to use.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural view of the fixed sliding sleeve and needle connecting sleeve of the present utility model.
Fig. 3 is a front view of the retaining sleeve of the present utility model.
As shown in the figure: 1. a compass connector; 2. needle legs; 3. a refill support leg; 4. fixing the sliding sleeve; 5. a needle connecting sleeve; 6. needle of compass; 7. a cartridge sleeve; 8. compass pen point; 9. radius scale; 10. an arc-shaped groove; 11. a scale; 12. a fixing bolt; 13. connecting cylindrical heads; 14. an adjusting screw; 15. a compass rotating shaft; 16. a fixed sleeve; 17. a limiting block; 18. a chute; 19. a conical groove; 20. and a telescopic spring.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
When the pinhead is replaced, referring to fig. 1 to 3, the compass convenient for replacing the pinhead comprises a compass connecting piece 1, a compass rotating shaft 15 is fixedly arranged at the top of the compass connecting piece 1, an adjusting screw 14 is movably arranged at the front end of the compass connecting piece 1, pinhead supporting legs 2 and pencil lead supporting legs 3 are arranged on two sides of the compass connecting piece 1, the pinhead supporting legs 2 and the pencil lead supporting legs 3 are meshed with each other through the adjusting screw 14 and are positioned in the compass connecting piece 1, a pinhead connecting sleeve 5 is inserted and arranged at one end of the pinhead supporting legs 2, a fixed sliding sleeve 4 is sleeved on the surface of the pinhead connecting sleeve 5, a compass needle 6 is inserted and arranged at the bottom of the pinhead connecting sleeve 5, a pencil lead sleeve 7 is inserted and arranged at one end of the pencil lead supporting legs 3, a pencil lead 8 is fixedly arranged at the bottom of the pencil lead sleeve 7, a fixing bolt 12 is fixedly arranged in the middle of the front end of the pinhead supporting legs 2, the fixing bolt 12 fixedly connects the pencil lead supporting legs 2 and a radius scale 9, an arc groove 10 is formed in the radius scale 9, a right side of the arc groove 10 is positioned in the middle of the pinhead, the right side of the arc groove 3 is positioned at the front end of the middle of the pencil lead connecting sleeve 9, and the arc groove is positioned at the front of the end of the pencil lead connecting sleeve 9, and the arc groove is convenient to be directly arranged at the end 13, and the angle is convenient to be directly arranged at the side wall 13.
The inside fixedly connected with fixed cover 16 of needle adapter sleeve 5, a plurality of openings have been seted up to fixed cover 16 lower extreme surface, and compasses syringe needle 6 is installed in fixed cover 16, and the both sides fixedly connected with stopper 17 of needle adapter sleeve 5, fixed cover 16 can fix compasses syringe needle 6, makes the device more stable.
The both sides of the inner chamber upper end of fixed sliding sleeve 4 are equipped with spout 18, spout 18 and stopper 17 sliding fit, and the upper end fixedly connected with extension spring 20 of stopper 17, the top of extension spring 20 and the top fixed connection of spout 18, and the inner chamber lower part of fixed sliding sleeve 4 is equipped with toper recess 19, and toper recess 19 cooperatees with fixed cover 16 lower part, conveniently removes compasses syringe needle 6, is convenient for change, makes the device more practical.
When the device is used in the actual use process, when the needle is damaged due to use abrasion or other reasons, the lower part of the fixed sleeve 16 is separated from the conical groove 19 by pulling the fixed sleeve 4 downwards, the lower part of the fixed sleeve 16 is relaxed, the compass needle 6 can be replaced, after the replacement is completed, the fixed sleeve 4 is loosened, the reset is carried out under the action of the elastic force of the telescopic spring 20, the lower part of the fixed sleeve 16 returns to the conical groove 19, the lower part of the fixed sleeve 16 is contracted, the compass needle 6 is fixed, a desired angle can be directly drawn through the radius scale 9, and the device is convenient to use.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (3)
1. The utility model provides a compass convenient to change syringe needle, includes compasses connecting piece (1), its characterized in that: the compass comprises a compass connecting piece (1), wherein a compass rotating shaft (15) is fixedly arranged at the top of the compass connecting piece (1), an adjusting screw (14) is movably arranged at the front end of the compass connecting piece (1), a needle head supporting leg (2) and a pen core supporting leg (3) are arranged at two sides of the compass connecting piece (1), the needle head supporting leg (2) and the pen core supporting leg (3) are meshed with the compass connecting piece (1) through the adjusting screw (14), the tops of the needle head supporting leg (2) and the pen core supporting leg (3) are both positioned in the compass connecting piece (1), a needle head connecting sleeve (5) is inserted and installed at one end of the needle head supporting leg (2) far away from the compass connecting piece (1), a fixed sliding sleeve (4) is sleeved on the surface of the needle head connecting sleeve (5), a pen needle head (6) is inserted and installed at the bottom of the pen core connecting sleeve (7) in an inserting manner, and a pen point (8) is fixedly installed at the bottom of the pen core supporting leg (3) far away from the compass connecting piece (1); the needle head supporting leg is characterized in that a fixing bolt (12) is fixedly arranged in the middle of the front end of the needle head supporting leg (2), the needle head supporting leg (2) and a radius scale (9) are fixedly connected through the fixing bolt (12), an arc-shaped groove (10) is formed in the radius scale (9), a connecting cylindrical head (13) is fixedly arranged in the middle of the right side of the inside of the arc-shaped groove (10) and the front end of the pen core supporting leg (3), and a graduation meter (11) is arranged at the bottom of the arc-shaped groove (10) and on the front side wall of the radius scale (9).
2. A pair of compasses for facilitating needle replacement according to claim 1, wherein: the compass is characterized in that a fixed sleeve (16) is fixedly connected inside the needle connecting sleeve (5), a plurality of openings are formed in the surface of the lower end of the fixed sleeve (16), the compass needle (6) is installed in the fixed sleeve (16), and limiting blocks (17) are fixedly connected to two sides of the needle connecting sleeve (5).
3. A pair of compasses for facilitating needle replacement according to claim 2, wherein: the utility model discloses a fixed sliding sleeve (4) inner chamber upper end both sides are equipped with spout (18), spout (18) with stopper (17) sliding fit, the upper end fixedly connected with extension spring (20) of stopper (17), the top of extension spring (20) with the top fixed connection of spout (18), the inner chamber lower part of fixed sliding sleeve (4) is equipped with toper recess (19), toper recess (19) with fixed cover (16) lower part cooperatees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323138334.9U CN221315612U (en) | 2023-11-21 | 2023-11-21 | Compass convenient for replacing needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323138334.9U CN221315612U (en) | 2023-11-21 | 2023-11-21 | Compass convenient for replacing needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221315612U true CN221315612U (en) | 2024-07-12 |
Family
ID=91808753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323138334.9U Active CN221315612U (en) | 2023-11-21 | 2023-11-21 | Compass convenient for replacing needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221315612U (en) |
-
2023
- 2023-11-21 CN CN202323138334.9U patent/CN221315612U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |