CN218177838U - Worm gear reducer of hand-operated device for opening doors and windows - Google Patents
Worm gear reducer of hand-operated device for opening doors and windows Download PDFInfo
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- CN218177838U CN218177838U CN202221764226.5U CN202221764226U CN218177838U CN 218177838 U CN218177838 U CN 218177838U CN 202221764226 U CN202221764226 U CN 202221764226U CN 218177838 U CN218177838 U CN 218177838U
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Abstract
The utility model belongs to the technical field of door and window, a hand cranking device worm gear reduction gear for door and window opens is related to. The utility model discloses, the on-line screen storage device comprises a base, the mounting groove has been seted up on the base, the worm is installed to the mounting groove internal rotation, the base is all stretched out at the both ends of worm, screw thread on the worm is located the base and is close to middle position, the lateral wall of base upside is connected with the upper cover, two trapezoidal mounting panels of the lateral wall symmetry fixedly connected with of base upside, two the width from the top down crescent of trapezoidal mounting panel, two dovetail grooves have been seted up to the vertical lateral wall symmetry of upper cover, trapezoidal mounting panel and dovetail groove shape phase-match, trapezoidal mounting panel is located the dovetail groove, rotates between trapezoidal mounting panel and the dovetail groove and installs the worm wheel. The utility model discloses a worm and worm wheel are mutually supported's speed reduction structure is more stable, can not take place the condition of contrary reversion when using, has effectively obtained stability and the security that has improved the reduction gear and used.
Description
Technical Field
The utility model belongs to the technical field of door and window, a hand cranking device worm gear reduction gear for door and window opens is related to.
Background
The door and window is an important component of a building, the door and window is mainly used for ventilation and lighting, the existing high-position lighting ventilation window such as a large-scale complex building, a factory, a staircase and the like needs to be provided with a windowing mechanism to assist in windowing due to large volume, and the existing hand-cranking windowing mechanism needs to be provided with a speed reducer to realize force reduction and speed reduction windowing, so that the convenience and the safety of windowing can be improved.
However, the speed reducer of the existing hand-operated window opening device adopts bevel gears for transmission, a speed reduction transmission mechanism formed by the bevel gears is easy to reverse when in use, and the stability of the structure is poor, so that window opening speed reduction failure is easily caused.
Disclosure of Invention
The utility model aims at the above-mentioned problem, a hand cranking device worm gear reduction unit for door and window is opened is provided.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model provides a hand cranking device worm gear reduction gear for door and window opens, the on-line screen storage device comprises a base, the mounting groove has been seted up on the base, the worm is installed to the mounting groove internal rotation, the base is all stretched out at the both ends of worm, screw thread on the worm is located the base and is close to the position in the middle of, the lateral wall of base upside is connected with the upper cover, two trapezoidal mounting panels of the lateral wall symmetry fixedly connected with of base upside, two the width from the top down crescent of trapezoidal mounting panel, two dovetail grooves have been seted up to the vertical lateral wall symmetry of upper cover, trapezoidal mounting panel and dovetail groove shape phase-match, trapezoidal mounting panel is located the dovetail groove, rotates between trapezoidal mounting panel and the dovetail groove and installs the worm wheel, the worm wheel meshes with the worm mutually.
In foretell a hand cranking device worm gear reduction gear for door and window is opened, the worm wheel is including rotating the pivot of connecting on trapezoidal mounting panel, the fixed cover is equipped with the worm wheel dish outside the pivot, the worm wheel dish meshes with the worm mutually.
In foretell a hand cranking device worm gear reduction gear for door and window is opened, two first semicircle grooves have been seted up to the lateral wall symmetry of base upside, two second semicircle grooves corresponding with first semicircle groove have been seted up to the lateral wall symmetry of upper cover downside, the worm is located between first semicircle groove and the second semicircle groove, the worm passes through the bearing and is connected with the cell wall rotation of first semicircle groove and second semicircle groove.
In foretell a hand cranking device worm gear reduction gear for door and window is opened, the pinhole has all been seted up to the four corners department of base upper surface, the bolt has been cup jointed in the pinhole internalization, bolt threaded connection is on covering.
In foretell a hand cranking device worm gear reduction gear for door and window is opened, two rotation grooves have all been seted up to the lateral wall of base upside and the lateral wall of upper cover downside, the pole wall of worm passes through ball bearing and is connected with the cell wall rotation in rotation groove.
In foretell a hand cranking device worm gear reduction gear that is used for door and window to open, the equal fixedly connected with otic placode in four corners department of upper cover upper surface is a plurality of the mounting hole has all been seted up on the otic placode.
In the worm gear reducer of the hand cranking device for opening doors and windows, the shaft wall of the rotating shaft is symmetrically provided with two annular grooves, the worm wheel disc is positioned between the two annular grooves, the annular grooves are internally sleeved with the spring washers, and the outer diameters of the spring washers are larger than the inner diameter of the worm wheel disc.
In foretell a hand cranking device worm gear reduction gear for door and window is opened, the jack has all been seted up with the axle wall of pivot to the pole wall of worm, the jack is located outside base and the upper cover.
In the worm gear reducer of the hand cranking device for opening doors and windows, the rod wall of the worm is provided with the slot corresponding to the jack.
In foretell a hand cranking device worm gear reduction gear that is used for door and window to open, the chamfer processing is all done to the four corners department of otic placode, the chamfer processing is all done to the four corners department of base and upper cover.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses a base that sets up, the mounting groove, the worm, the upper cover, trapezoidal mounting panel, dovetail groove and worm wheel, during the equipment, install the worm in the mounting groove on the base, install the worm wheel on trapezoidal mounting panel, make worm wheel and worm mesh mutually, fix the upper cover on the base, the equipment to the reduction gear is accomplished, in using, rotate the worm, the worm drives the worm wheel and rotates, because the size of worm wheel is great, so quick pivoted worm can drive the slow rotation of worm wheel, thereby realize the function of slowing down, compare in current bevel gear speed reduction structure, the speed reduction structure that adopts worm and worm wheel to mutually support is more stable, can not take place the condition of turning over when using, effectively obtained stability and the security that has improved the reduction gear and used.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is an overall schematic view of the present invention.
Fig. 2 is a schematic structural view of the present invention without the upper cover 4.
Fig. 3 is a side view of the present invention.
Fig. 4 is a bottom view of the present invention.
In the figure: 1. a base; 2. mounting grooves; 3. a worm; 4. an upper cover; 5. a trapezoidal mounting plate; 6. a trapezoidal groove; 7. a worm gear; 71. a rotating shaft; 72. a worm gear disc; 8. a first semicircular groove; 9. a second semi-circular slot; 10. a pin hole; 11. a bolt; 12. a rotating groove; 13. an ear plate; 14. mounting holes; 15. an annular groove; 16. a spring washer; 17. a jack; 18. and (4) a slot.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1-4, a hand cranking device worm gear reduction gear for door and window opens, including base 1, mounting groove 2 has been seted up on the base 1, worm 3 is installed to 2 internal rotations in the mounting groove, base 1 is all stretched out at the both ends of worm 3, the screw thread on the worm 3 is located base 1 and is close to middle position, the lateral wall of base 1 upside is connected with upper cover 4, two trapezoidal mounting panels 5 of the lateral wall symmetry fixedly connected with of base 1 upside, two the width from the top down of trapezoidal mounting panel 5 crescent, two dovetail grooves 6 have been seted up to the vertical lateral wall symmetry of upper cover 4, trapezoidal mounting panel 5 and 6 shape phase-matches in dovetail groove, trapezoidal mounting panel 5 is located dovetail groove 6, rotates between trapezoidal mounting panel 5 and the dovetail groove 6 and installs worm wheel 7, worm wheel 7 meshes with worm 3 mutually.
In the above embodiment, through the base 1 that sets up, mounting groove 2, worm 3, upper cover 4, trapezoidal mounting panel 5, trapezoidal groove 6 and worm wheel 7, during the equipment, install worm 3 in mounting groove 2 on base 1, install worm wheel 7 on trapezoidal mounting panel 5, make worm wheel 7 mesh with worm 3, fix upper cover 4 on base 1, accomplish the equipment to the reduction gear, during the use, rotate worm 3, worm 3 drives worm wheel 7 and rotates, because worm wheel 7's size is great, so quick pivoted worm 3 can drive the slow rotation of worm wheel 7, thereby realize the function of speed reduction, compare in current bevel gear speed reduction structure, it is more stable to adopt worm 3 and the gear wheel 7 to mutually support the speed reduction structure, can not take place the condition of turning to the contrary when using, effectively obtained the stability and the security that the reduction gear used.
The worm wheel 7 comprises a rotating shaft 71 which is rotatably connected to the trapezoidal mounting plate 5, a worm wheel disc 72 is fixedly sleeved outside the rotating shaft 71, and the worm wheel disc 72 is meshed with the worm 3.
In this embodiment, the worm wheel 7 composed of the rotating shaft 71 and the worm wheel disc 72 is installed on the trapezoidal installation plate 5 and the upper cover 4 by rotating the rotating shaft 71 when being installed, so that the worm wheel disc 72 is meshed with the worm 3, the worm wheel disc 72 is aligned with the thread on the worm 3, and therefore the worm wheel disc 72 can be perfectly meshed with the worm 3, the worm wheel 7 and the worm 3 can be prevented from being reversed when rotating relatively, the stability of the speed reducer structure is effectively improved, and the stability of the speed reducer in operation is effectively improved.
The side wall of the upper side of the base 1 is symmetrically provided with two first semicircular grooves 8, the side wall of the lower side of the upper cover 4 is symmetrically provided with two second semicircular grooves 9 corresponding to the first semicircular grooves 8, the worm 3 is positioned between the first semicircular grooves 8 and the second semicircular grooves 9, and the worm 3 is rotationally connected with the groove walls of the first semicircular grooves 8 and the second semicircular grooves 9 through bearings.
In the above embodiment, the worm 3 rotates to be connected in the first semicircular groove 8 and the second semicircular groove 9, carries out spacing fixed to the worm 3 through base 1 and upper cover 4 jointly, and it is all very convenient when installing and dismantling the worm 3, assembles or separates the base 1 and the upper cover 4 of reduction gear and can accomplish the installation or the dismantlement to the worm 3, the effectual convenience that has improved reduction gear equipment and dismantlement.
The four corners of the upper surface of the base 1 are provided with pin holes 10, bolts 11 are movably sleeved in the pin holes 10, and the bolts 11 are in threaded connection with the upper cover 4.
In this embodiment, the arrangement of the pin holes 10 and the bolts 11 can improve the convenience of connection and separation of the base 1 and the upper cover 4, and can improve the stability of connection of the base 1 and the upper cover 4, thereby effectively improving the convenience and stability of assembly of the speed reducer and effectively improving the structural stability of the speed reducer.
Two rotating grooves 12 are formed in the side wall of the upper side of the base 1 and the side wall of the lower side of the upper cover 4, and the rod wall of the worm 3 is rotatably connected with the groove walls of the rotating grooves 12 through ball bearings.
In the above embodiment, two ball bearings that set up can reduce worm 3 pivoted resistance to can improve worm 3 pivoted smooth and easy nature, and can avoid worm 3 and base 1 and upper cover 4 contact, the effectual rate of wear that reduces worm 3, the effectual life who improves the reduction gear, the effectual problem that leads to the reduction gear effect to descend that has avoided the internal structure wearing and tearing of reduction gear too fast.
Equal fixedly connected with otic placode 13 in the four corners department of upper cover 4 upper surface is a plurality of mounting hole 14 has all been seted up on the otic placode 13.
In the embodiment, the ear plate 13 and the mounting hole 14 are arranged to improve the convenience of fixing the upper cover 4, and effectively improve the convenience and stability of fixing the speed reducer.
The shaft wall of the rotating shaft 71 is symmetrically provided with two annular grooves 15, the worm wheel disc 72 is positioned between the two annular grooves 15, the annular grooves 15 are internally sleeved with spring washers 16, and the outer diameters of the spring washers 16 are larger than the inner diameter of the worm wheel disc 72.
In the above embodiment, the spring washer 16 is arranged to limit and fix the worm wheel disc 72, so as to effectively improve the fixing stability of the worm wheel disc 72 and prevent the worm wheel disc 72 from deviating in the rotating process.
The rod wall of the worm 3 and the shaft wall of the rotating shaft 71 are both provided with insertion holes 17, and the insertion holes 17 are positioned outside the base 1 and the upper cover 4.
In the above embodiment, the insertion hole 17 is provided to improve convenience in connecting the worm 3 and the rotating shaft 71 with other parts of the window opening mechanism.
The wall of the worm 3 is provided with a slot 18 corresponding to the insertion hole 17.
In the above embodiment, the slot 18 is provided to make one end of the worm 3 no longer a cylinder, so that the worm 3 can be connected with other parts of the window opening mechanism more stably.
And chamfering is performed at the four corners of the ear plate 13, and chamfering is performed at the four corners of the base 1 and the upper cover 4.
In this embodiment, the chamfer is handled and can be avoided the corner of reduction gear too sharp-pointed, the effectual travelling comfort that has improved the reduction gear and use.
The utility model discloses a theory of operation is:
through the arranged base 1, the mounting groove 2, the worm 3, the upper cover 4, the trapezoidal mounting plate 5, the trapezoidal groove 6 and the worm wheel 7, during assembly, the worm 3 is mounted in the mounting groove 2 on the base 1, the worm wheel 7 is mounted on the trapezoidal mounting plate 5, the worm wheel 7 is meshed with the worm 3, the upper cover 4 is fixed on the base 1, and the assembly of the speed reducer is completed;
when the worm wheel 7 consisting of the rotating shaft 71 and the worm wheel disc 72 is installed, the rotating shaft 71 is rotatably installed on the trapezoidal installation plate 5 and the upper cover 4, the worm wheel disc 72 is meshed with the worm 3, and the worm wheel disc 72 is aligned with threads on the worm 3, so that the worm wheel disc 72 is perfectly meshed with the worm 3, the worm wheel 7 and the worm 3 can be prevented from being reversed when rotating relatively, the stability of the structure of the speed reducer is effectively improved, and the running stability of the speed reducer is effectively improved;
the worm 3 is rotatably connected in the first semicircular groove 8 and the second semicircular groove 9, the base 1 and the upper cover 4 are used for limiting and fixing the worm 3 together, the worm 3 is very convenient to mount and dismount, the base 1 and the upper cover 4 of the speed reducer can be assembled or separated to finish the mounting or dismounting of the worm 3, and the convenience for assembling and dismounting the speed reducer is effectively improved;
the convenience that base 1 and upper cover 4 are connected and are separated can be improved to the pinhole 10 and the bolt 11 that set up, and can improve the steadiness that base 1 and upper cover 4 are connected, the effectual convenience and the steadiness that improve the reduction gear equipment, the effectual structural stability who improves the reduction gear.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the spirit of the invention.
Although 1, the base is used more herein; 2. mounting grooves; 3. a worm; 4. an upper cover; 5. a trapezoidal mounting plate; 6. a trapezoidal groove; 7. a worm gear; 71. a rotating shaft; 72. a worm gear disc; 8. a first semicircular groove; 9. a second semi-circular groove; 10. a pin hole; 11. a bolt; 12. a rotating groove; 13. an ear plate; 14. mounting holes; 15. an annular groove; 16. a spring washer; 17. a jack; 18. slots, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.
Claims (10)
1. The utility model provides a hand cranking device worm gear reduction gear for door and window opens, includes base (1), its characterized in that, mounting groove (2) have been seted up on base (1), worm (3) are installed to mounting groove (2) internal rotation, base (1) all stretches out at the both ends of worm (3), screw thread on worm (3) is located base (1) and is close to middle position, the lateral wall of base (1) upside is connected with upper cover (4), two trapezoidal mounting panel (5) of the lateral wall symmetry fixedly connected with of base (1) upside, two the width from the top down of trapezoidal mounting panel (5) is crescent, two dovetail groove (6) have been seted up to the vertical lateral wall symmetry of upper cover (4), trapezoidal mounting panel (5) and dovetail groove (6) shape phase-match, trapezoidal mounting panel (5) are located dovetail groove (6), rotate between trapezoidal mounting panel (5) and the dovetail groove (6) and install worm wheel (7), worm wheel (7) mesh with worm (3).
2. The worm gear reducer for door and window opening hand cranking device according to claim 1, wherein the worm wheel (7) comprises a rotating shaft (71) rotatably connected to the trapezoidal mounting plate (5), a worm wheel disc (72) is fixedly sleeved outside the rotating shaft (71), and the worm wheel disc (72) is meshed with the worm (3).
3. The worm gear reducer for door and window opening hand cranking device as claimed in claim 2, wherein the side wall of the upper side of the base (1) is symmetrically provided with two first semicircular grooves (8), the side wall of the lower side of the upper cover (4) is symmetrically provided with two second semicircular grooves (9) corresponding to the first semicircular grooves (8), the worm (3) is located between the first semicircular grooves (8) and the second semicircular grooves (9), and the worm (3) is rotatably connected with the groove walls of the first semicircular grooves (8) and the second semicircular grooves (9) through bearings.
4. The worm gear reducer for the hand cranking device for door and window opening as claimed in claim 3, wherein the four corners of the upper surface of the base (1) are provided with pin holes (10), the pin holes (10) are movably sleeved with bolts (11), and the bolts (11) are in threaded connection with the upper cover (4).
5. The worm gear reducer for the hand cranking device for door and window opening as claimed in claim 4, wherein the side wall of the upper side of the base (1) and the side wall of the lower side of the upper cover (4) are both provided with two rotating grooves (12), and the rod wall of the worm (3) is rotatably connected with the groove walls of the rotating grooves (12) through ball bearings.
6. The worm gear reducer for the hand cranking device for door and window opening as claimed in claim 5, wherein four corners of the upper surface of the upper cover (4) are fixedly connected with ear plates (13), and a plurality of the ear plates (13) are provided with mounting holes (14).
7. The worm-gear reducer of hand cranking device for door and window opening according to claim 6, wherein the shaft wall of the rotating shaft (71) is symmetrically provided with two annular grooves (15), the worm gear disc (72) is located between the two annular grooves (15), the annular groove (15) is internally sleeved with a spring washer (16), and the outer diameter of the spring washer (16) is larger than the inner diameter of the worm gear disc (72).
8. The worm-gear reducer for door and window opening hand cranking device according to claim 7, wherein the rod wall of the worm (3) and the shaft wall of the rotating shaft (71) are both provided with insertion holes (17), and the insertion holes (17) are positioned outside the base (1) and the upper cover (4).
9. The worm-gear reducer for door and window opening hand cranking device according to claim 8 is characterized in that the wall of the worm (3) is provided with slots (18) corresponding to the insertion holes (17).
10. The worm gear reducer for door and window opening hand cranking device according to claim 9, wherein the four corners of the ear plate (13) are chamfered, and the four corners of the base (1) and the upper cover (4) are chamfered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221764226.5U CN218177838U (en) | 2022-07-07 | 2022-07-07 | Worm gear reducer of hand-operated device for opening doors and windows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221764226.5U CN218177838U (en) | 2022-07-07 | 2022-07-07 | Worm gear reducer of hand-operated device for opening doors and windows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218177838U true CN218177838U (en) | 2022-12-30 |
Family
ID=84610884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221764226.5U Active CN218177838U (en) | 2022-07-07 | 2022-07-07 | Worm gear reducer of hand-operated device for opening doors and windows |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218177838U (en) |
-
2022
- 2022-07-07 CN CN202221764226.5U patent/CN218177838U/en active Active
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| GR01 | Patent grant | ||
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Address after: 314415 No. 12 Anren Road, Jiaxing City, Zhejiang Province, Jianshan New District, Haining City Patentee after: Xingsanxing Cloud Technology Co.,Ltd. Address before: 314415 No. 12 Anren Road, Jiaxing City, Zhejiang Province, Jianshan New District, Haining City Patentee before: XINGSAN XINGYUN TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |