CN210531519U - Transmission structure and demarcation device - Google Patents
Transmission structure and demarcation device Download PDFInfo
- Publication number
- CN210531519U CN210531519U CN201921210441.9U CN201921210441U CN210531519U CN 210531519 U CN210531519 U CN 210531519U CN 201921210441 U CN201921210441 U CN 201921210441U CN 210531519 U CN210531519 U CN 210531519U
- Authority
- CN
- China
- Prior art keywords
- transmission
- transmission piece
- piece
- gear
- rotating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model provides a transmission structure and demarcation appearance, the transmission structure includes: the first transmission piece, the second transmission piece, the rotating shaft and the elastic washer; the second transmission piece and the first transmission piece are coaxially arranged up and down, and matched face teeth are arranged on the matching face of the second transmission piece and the first transmission piece; the rotating shaft penetrates through the middle of the second transmission piece and the first transmission piece, one end of the rotating shaft is in compression connection with the second transmission piece through an elastic gasket, and the elastic gasket presses the second transmission piece towards the first transmission piece so that the end face teeth of the second transmission piece are in close contact with the end face teeth of the first transmission piece. After the technical scheme is adopted, the transmission structure can be effectively prevented from being damaged by continuous transmission under the dead-locking condition, and the service life of the transmission structure is effectively prolonged.
Description
Technical Field
The utility model relates to a transmission structure technical field especially relates to a transmission structure and demarcation device.
Background
Before the laser demarcation device is used, a user puts the laser demarcation device on a working plane or a support and then needs to adjust a certain angle in the horizontal direction to work after reaching an ideal position. Because the instrument body is fixed, the instrument body is not suitable for rotating the whole instrument to adjust the angle. Therefore, the instrument generally includes a base and a body disposed on the base, and the base is provided with an adjusting knob, which cooperates with an internal gear transmission structure to rotate the direction of the body for angle adjustment.
The existing gear transmission structure can not well cope with the situation of jamming. When the machine body rotates to the limit position, if the adjusting knob is continuously rotated, the gear transmission structure is easily damaged, so that parts such as gears and the like are damaged; in some cases, a user manually rotates the machine body and then finely adjusts the machine body through the adjusting knob, so that the gear transmission structure is easily damaged; when the machine body and the base are clamped due to an accident condition and cannot rotate smoothly, if a user still rotates to finely adjust the rotation, the gear transmission structure is easily damaged.
Therefore, it is necessary to develop a transmission structure and a demarcation device having the same, which can prevent the transmission structure from continuously transmitting and causing damage to the components under the dead-locking condition.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical defect, the utility model aims to provide a can avoid transmission structure to continue the transmission and cause the transmission structure of spare part damage and have the appearance of throwing of this transmission structure under the dead condition of card.
The utility model discloses a transmission structure, include: the first transmission piece, the second transmission piece, the rotating shaft and the elastic washer;
the second transmission piece and the first transmission piece are coaxially arranged up and down, and matched face teeth are arranged on the matching face of the second transmission piece and the first transmission piece;
the rotating shaft penetrates through the middle parts of the second transmission piece and the first transmission piece, one end of the rotating shaft is in compression connection with the second transmission piece through an elastic gasket, and the elastic gasket presses the second transmission piece towards the direction of the first transmission piece so that the end face teeth of the second transmission piece are in close contact with the end face teeth of the first transmission piece;
when the transmission structure transmits, the first transmission piece and the second transmission piece jointly wind the rotating shaft to rotate, when the first transmission piece or the second transmission piece is clamped, the elastic washer is compressed under stress, and the end face teeth of the second transmission piece are disengaged from the end face teeth of the first transmission piece.
Preferably, the elastic washer is a wave washer or a spring washer.
Preferably, the first transmission piece is a worm wheel;
the transmission structure further comprises a worm, the worm is meshed with the worm wheel, and the worm rotates to drive the worm wheel to rotate.
Preferably, one end of the worm is provided with an adjusting knob.
Preferably, the transmission structure further comprises a third transmission piece, and the third transmission piece is fixedly connected with the component to be adjusted;
the third transmission piece is in transmission connection with the second transmission piece, and the second transmission piece rotates to drive the third transmission piece to move and is used for adjusting the position or the angle of the part to be adjusted.
Preferably, the second transmission member is a first gear;
the third transmission part is a second gear or a rack, and the second gear or the rack is meshed with the first gear.
Preferably, a pressing element is arranged on one side of the second gear or the rack far away from the first gear, and the pressing element is used for pressing the second gear or the rack to be tightly meshed with the first gear.
Preferably, the pressing element is an elastic steel band.
Preferably, the rotating shaft is fixedly arranged;
the first transmission piece only rotates around the rotating shaft;
the second transmission piece rotates around the rotating shaft, and when the first transmission piece or the second transmission piece is clamped, the second transmission piece moves towards the compression direction of the elastic washer until the end face teeth of the second transmission piece and the end face teeth of the first transmission piece are not meshed any more;
the compression amount of the elastic washer is greater than or equal to the tooth height of the face teeth.
The utility model also discloses a demarcation appearance, the demarcation appearance includes foretell transmission structure.
After the technical scheme is adopted, compared with the prior art, the method has the following beneficial effects:
1. through the deformation of the elastic washer, the first transmission piece and the second transmission piece are disengaged under the condition of being clamped, continuous transmission is not performed, and the damage of parts caused by continuous transmission of the transmission structure under the condition of being clamped is avoided;
2. the transmission structure can be connected with other transmission parts, and the transmission structure and the angle adjustment in different directions are realized by cooperation together, so that the device is flexible to set and has wide application scenes.
Drawings
Fig. 1 is a three-dimensional schematic view of a transmission structure according to an embodiment of the present invention;
fig. 2 is a three-dimensional schematic view of a transmission structure according to an embodiment of the present invention;
FIG. 3 is a top view of the transmission structure of the embodiment of FIG. 2;
fig. 4 is a schematic structural diagram of a base of the demarcation device in an embodiment of the present invention;
reference numerals:
100-first transmission piece, 110-end face tooth of first transmission piece, 200-second transmission piece, 210-end face tooth of second transmission piece, 300-rotating shaft, 400-elastic washer, 500-worm, 510-adjusting knob, 600-third transmission piece, 700-pressing element and 800-shell.
Detailed Description
The advantages of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
In the following description, suffixes such as "module", "part", or "unit" used to indicate elements are used only for the convenience of description of the present invention, and have no specific meaning in itself. Thus, "module" and "component" may be used in a mixture.
The gear in the utility model can be straight gear, helical gear, bevel gear and the like, and can be reasonably selected according to the requirements of specific conditions for use by ordinary technical personnel in the field.
Referring to fig. 1, the utility model discloses a transmission structure, include: the transmission device comprises a first transmission piece 100, a second transmission piece 200, a rotating shaft 300 and an elastic washer 400.
The second transmission member 200 and the first transmission member 100 are coaxially arranged up and down, mating surfaces of the second transmission member 200 and the first transmission member 100 are provided with end surface teeth which are matched with each other, namely, one surface of the first transmission member 100 facing the second transmission member 200 is provided with end surface teeth 110, and one surface of the second transmission member 200 facing the first transmission member 100 is correspondingly provided with matched end surface teeth 210. Preferably, the face teeth of the first transmission member 100 and the second transmission member 200 are arranged annularly around the transmission member center. The end face teeth 110 of the first transmission member 100 are engaged with the end face teeth 210 of the second transmission member 200, so that when the first transmission member 100 (or the second transmission member 200) rotates around the center, the second transmission member 200 (or the first transmission member 100) can be driven to rotate around the center through the end face teeth, and transmission is achieved.
The rotating shaft 300 is disposed through the middle portions of the second transmission member 200 and the first transmission member 100, and both the first transmission member 100 and the second transmission member 200 can rotate around the rotating shaft 300. One end of the rotating shaft 300 is connected to the second transmission member 200 by pressing via an elastic washer 400, and the elastic washer 400 presses the second transmission member 200 toward the first transmission member 100, so that the end face teeth of the second transmission member 200 are in close contact with the end face teeth of the first transmission member 100. Specifically, the rotating shaft 300 is fixedly disposed, one end of the rotating shaft is fixedly connected to other components, the other end of the rotating shaft is connected to the second transmission member 200 through an elastic washer 400 in a pressing manner, and the first transmission member 100 is only rotatable around the rotating shaft 300 and cannot move up and down along the axial direction of the rotating shaft 300. The second transmission member 200 can rotate around the rotation shaft 300 and can also move along the axial direction of the rotation shaft 300 in the direction of the elastic washer 400. One side of the second transmission member 200 is in transmission connection with the first transmission member 100 through a face tooth, and the other side is in compression connection with the end of the rotating shaft 300 through an elastic washer 400. The elastic washer 400 has certain rigidity and compression amount, and the rigidity of the elastic washer 400 is used for ensuring that the second transmission piece 200 can be pressed towards the first transmission piece 100 when the transmission structure normally transmits, so that pressing force is provided, the end face teeth of the second transmission piece 200 are in close contact with the end face teeth of the first transmission piece 100, and a better transmission effect is realized; the compression amount of the elastic washer 400 is used to ensure that when the first transmission piece 100 or the second transmission piece 200 is stuck, if transmission is continued, the second transmission piece 200 moves towards the elastic washer 400, the elastic washer 400 is stressed and compressed until the end face teeth of the second transmission piece 200 and the end face teeth of the first transmission piece 100 are no longer meshed, that is, the end face teeth of the second transmission piece 200 and the end face teeth of the first transmission piece 100 are disengaged, and transmission cannot be continued. The compression amount of the elastic washer 400 is equal to or greater than the tooth height of the face teeth. Preferably, the elastic washer 400 is a wave washer or a spring washer.
When the transmission structure is used for transmission, the first transmission piece 100 rotates to drive the second transmission piece 200 to rotate or the second transmission piece 200 rotates to drive the first transmission piece 100 to rotate, the first transmission piece 100 and the second transmission piece 200 rotate around the rotating shaft 300 together, when the first transmission piece 100 or the second transmission piece 200 is blocked, namely any one transmission piece cannot continue to rotate, and when the other transmission piece continues to transmit, the second transmission piece 200 moves towards the elastic gasket 400, the elastic gasket 400 is compressed under force, the end face teeth of the second transmission piece 200 are disengaged from the end face teeth of the first transmission piece 100, and transmission is not continued any more.
The scheme of this application, the axial motion who turns into second driving medium 200 through the rotation transmission when spring washer blocks first driving medium 100 or second driving medium 200, the compression through spring washer makes the terminal surface tooth of first driving medium 100 and second driving medium 200 throw off, makes the transmission no longer continue to play the effect of protection drive structure, avoided continuing the transmission under the dead condition of card and causing the damage of terminal surface tooth or other parts of drive structure or part.
Referring to fig. 1, 2 and 3, the first transmission member 100 is a worm gear; the transmission structure further comprises a worm 500, the worm 500 is meshed with a worm wheel, the worm 500 rotates to drive the worm wheel to rotate, and the worm wheel rotates to drive the second transmission part 200 to rotate. Through worm gear 500, can be with turning around the rotation of horizontal axis to around the rotation of vertical axis, realized the transmission of different directions. Preferably, an adjusting knob 510 is provided at one end of the worm 500 to facilitate the transmission input of the user. In some embodiments, the second transmission member 200 is directly connected to the component to be adjusted, and the input transmission is performed through the worm 500 or the adjusting knob 510 to drive the second transmission member 200 to rotate, so as to adjust the position or the angle of the component to be adjusted. In other embodiments, second transmission element 200 may be connected to the component to be adjusted by another transmission element. In some embodiments, the first transmission member 100 may be a gear, and correspondingly, the worm 500 is replaced by a gear engaged with the first transmission member 100, and the transmission is input to the transmission structure through the gear.
Referring to fig. 2 and fig. 3, preferably, the transmission structure further includes a third transmission member 600, and the third transmission member 600 is fixedly connected to the component to be adjusted; the third transmission piece 600 is in transmission connection with the second transmission piece 200, and the second transmission piece 200 rotates to drive the third transmission piece 600 to move, so as to adjust the position or angle of the component to be adjusted. In particular, in the embodiment of fig. 2 and 3, the second transmission member 200 is a first gear; the third transmission member 600 is a second gear, the second gear is engaged with the first gear, and the position or the angle of the component to be adjusted is adjusted by the rotation of the second gear. In some embodiments, the third transmission member 600 is a rack engaged with the first gear, and the position or angle of the member to be adjusted is adjusted by linear movement of the rack. Referring to fig. 2 and 3, a pressing element 700 is disposed on a side of the second gear far from the first gear, and the pressing element 700 is used for pressing the second gear to be tightly meshed with the first gear. In this embodiment, the pressing member 700 is an elastic steel band. In some embodiments, the pressing element 700 may also be other suitable elastic pressing elements 700, such as a spring, etc. When the third transmission member 600 is a rack, a pressing element 700 may be correspondingly disposed on a side of the rack away from the first gear, so as to press the rack to be tightly engaged with the first gear.
The utility model also discloses a demarcation appearance, the demarcation appearance includes foretell transmission structure. Preferably, the line projector is a laser line projector. Referring to fig. 2, the base of the line projector in an embodiment is schematically shown in the drawing, the line projector includes a base and a body disposed on the base, the base includes a housing 800 and the above-mentioned transmission structure, the transmission structure includes a first transmission member 100, a second transmission member 200, a third transmission member 600, a rotating shaft 300, a worm 500, and a pressing element 700, the first transmission member 100 is a worm wheel, the second transmission member 200 is a gear, and is disposed coaxially with the worm wheel up and down, and is engaged with the worm wheel through end face teeth. The rotating shaft 300 penetrates the middle portions of the first transmission member 100 and the second transmission member 200, one end of the rotating shaft is fixedly connected with the casing 800, and the other end of the rotating shaft is connected with the second transmission member 200 through an elastic washer 400 in a pressing manner. The first transmission member 100 is engaged with the worm 500, the worm 500 extends out of the casing 800 through the wall surface of the casing 800, and the adjusting knob is arranged at the part of the worm 500 extending out of the casing 800. The third transmission member 600 is also a gear, and is engaged with the second transmission member 200, and the third transmission member 600 is fixedly connected with a body (not shown in the figure) of the demarcation device. The worm 500 is driven to rotate through rotating the adjusting knob in the vertical direction, the worm 500 rotates to drive the worm wheel to rotate, the worm wheel rotates to drive the first transmission piece 100 to rotate, the first transmission piece 100 rotates to drive the second transmission piece 200 to rotate, the second transmission piece 200 rotates to drive the third transmission piece 600 to rotate, and the third transmission piece 600 rotates to drive the machine body to rotate, so that the angle of the machine body in the horizontal direction is adjusted.
The line projector of the utility model adopts the transmission structure, so that when the machine body rotates to the limit position, the adjusting knob continues to rotate; or when the machine body and the base are clamped due to an unexpected condition and cannot rotate smoothly, the transmission structure can be ensured not to be damaged under the condition of continuously rotating the adjusting knob, and the service life of the instrument can be effectively prolonged. Through the utility model discloses a scheme also can be earlier manual when adjusting the fuselage angle and rotate the relative base of fuselage to roughly the angle, then finely tune through the regulation knob, realizes quick adjustment, and can not cause the damage to drive structure.
It should be noted that the embodiments of the present invention have better practicability and are not intended to limit the present invention in any way, and any person skilled in the art may change or modify the technical contents disclosed above to equivalent effective embodiments, but all the modifications or equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention still fall within the scope of the technical solution of the present invention.
Claims (10)
1. A transmission structure, comprising: the first transmission piece, the second transmission piece, the rotating shaft and the elastic washer;
the second transmission piece and the first transmission piece are coaxially arranged up and down, and matched face teeth are arranged on the matching face of the second transmission piece and the first transmission piece;
the rotating shaft penetrates through the middle parts of the second transmission piece and the first transmission piece, one end of the rotating shaft is in compression connection with the second transmission piece through an elastic gasket, and the elastic gasket presses the second transmission piece towards the direction of the first transmission piece so that the end face teeth of the second transmission piece are in close contact with the end face teeth of the first transmission piece;
when the transmission structure transmits, the first transmission piece and the second transmission piece jointly wind the rotating shaft to rotate, when the first transmission piece or the second transmission piece is clamped, the elastic washer is compressed under stress, and the end face teeth of the second transmission piece are disengaged from the end face teeth of the first transmission piece.
2. The transmission structure according to claim 1,
the elastic washer is a wave washer or a spring washer.
3. The transmission structure according to claim 1,
the first transmission piece is a worm wheel;
the transmission structure further comprises a worm, the worm is meshed with the worm wheel, and the worm rotates to drive the worm wheel to rotate.
4. The transmission structure according to claim 3,
and one end of the worm is provided with an adjusting knob.
5. The transmission structure according to claim 1,
the transmission structure further comprises a third transmission piece, and the third transmission piece is fixedly connected with the part to be adjusted;
the third transmission piece is in transmission connection with the second transmission piece, and the second transmission piece rotates to drive the third transmission piece to move and is used for adjusting the position or the angle of the part to be adjusted.
6. The transmission structure according to claim 5,
the second transmission piece is a first gear;
the third transmission part is a second gear or a rack, and the second gear or the rack is meshed with the first gear.
7. The transmission structure according to claim 6,
and a pressing element is arranged on one side of the second gear or the rack, which is far away from the first gear, and is used for pressing the second gear or the rack to be tightly meshed with the first gear.
8. The transmission structure according to claim 7,
the pressing element is an elastic steel belt.
9. The transmission structure according to claim 1,
the rotating shaft is fixedly arranged;
the first transmission piece only rotates around the rotating shaft;
the second transmission piece rotates around the rotating shaft, and when the first transmission piece or the second transmission piece is clamped, the second transmission piece moves towards the compression direction of the elastic washer until the end face teeth of the second transmission piece and the end face teeth of the first transmission piece are not meshed any more;
the compression amount of the elastic washer is greater than or equal to the tooth height of the face teeth.
10. A line projector is characterized in that,
comprising a transmission construction according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921210441.9U CN210531519U (en) | 2019-07-30 | 2019-07-30 | Transmission structure and demarcation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921210441.9U CN210531519U (en) | 2019-07-30 | 2019-07-30 | Transmission structure and demarcation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210531519U true CN210531519U (en) | 2020-05-15 |
Family
ID=70599759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921210441.9U Active CN210531519U (en) | 2019-07-30 | 2019-07-30 | Transmission structure and demarcation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210531519U (en) |
-
2019
- 2019-07-30 CN CN201921210441.9U patent/CN210531519U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111182098B (en) | Electronic device and method for using electronic device | |
| CN211506036U (en) | Adjustable head wears and head-mounted apparatus | |
| CN101280840A (en) | Clearance eliminating mechanism when mechanical transmission | |
| DE102012000392A1 (en) | Adapter for drilling drive and lavage system | |
| CN111182097B (en) | Imaging device, electronic apparatus, and method for using electronic apparatus | |
| CN210531519U (en) | Transmission structure and demarcation device | |
| CN116679447A (en) | Bandage tightness adjusting mechanism and wearable equipment | |
| CN210351318U (en) | Be applied to platform type camera monitoring device's no backlash gear motor | |
| CN201190780Y (en) | Gap-eliminating mechanism gear rack drive | |
| CN209321262U (en) | A kind of unmanned plane device of adjustable shooting angle | |
| CN201042219Y (en) | Connector apparatus of soldier helmet display | |
| CN111821151B (en) | Pressing device for eye health care | |
| CN213809858U (en) | LED screen fixing device for meeting | |
| CN210510871U (en) | Be applied to ball-type camera monitoring device's no backlash gear motor | |
| CN207687133U (en) | A kind of localization tool of mobile phone camera module group automatic assembling | |
| CN113145780A (en) | Intelligent forging equipment with adjustable function and intelligent forging method | |
| CN215763069U (en) | Staggered tooth transmission structure of cradle head | |
| CN219029297U (en) | Screen adjustment mechanism and vehicle | |
| CN217207694U (en) | Simple and efficient gear set clearance eliminating device | |
| CN114552440B (en) | Base for electrical cabinet | |
| CN218719827U (en) | Marine electronic chart display device | |
| CN210567213U (en) | Be applied to ball-type camera monitoring device's no backlash gear motor | |
| CN211490791U (en) | Building wall dust-free environment-friendly polishing device | |
| CN215634735U (en) | Electric transmission mechanism of chassis vehicle | |
| CN217603301U (en) | Backlash reducing mechanism, photographic pan-tilt and photographic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |