CN208515201U - Damping gear and wire size printer - Google Patents
Damping gear and wire size printer Download PDFInfo
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- CN208515201U CN208515201U CN201821197363.9U CN201821197363U CN208515201U CN 208515201 U CN208515201 U CN 208515201U CN 201821197363 U CN201821197363 U CN 201821197363U CN 208515201 U CN208515201 U CN 208515201U
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- friction plate
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- gear
- plate
- central spindle
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Abstract
The utility model relates to a kind of damping gear and wire size printer, central spindle one end of the damping gear is equipped with blocking portion, and the other end is equipped with axle cap clamping portion；Second secondary friction plate is located above blocking portion；Second main friction plate is located above the second secondary friction plate；Gear is located above the second main friction plate；First main friction plate is located above gear；First secondary friction plate is located above the first main friction plate；Friction plate cover plate is located above the first secondary friction plate；Elastomeric element is located above friction plate cover plate；Axle cap is socketed in central spindle, and is located above elastomeric element, and axle cap is connected and fixed with axle cap clamping portion；Elastomeric element is between friction plate cover plate and axle cap along the axial direction elastic deformation of central spindle.The damping gear of the utility model, by the setting of spring, axle cap and friction plate cover plate, so that damping force is generated by main friction plate with the mode that secondary friction plate contacts friction, main friction plate will not make damping force that biggish fluctuation occur after working long hours with secondary friction plate.
Description
Technical field
The utility model relates to machine components technical field more particularly to a kind of damping gears and wire size printer.
Background technique
Damping gear is widely used on various wire size printers and other similar devices, is reached by increasing frictional resistance
To the purpose of deceleration.
Traditional damping gear is held tightly with central spindle by spring by the way of spring tight-holding type and is generated frictional resistance to reach
To the purpose of deceleration.But as the increase of working time, the surface of central spindle will receive abrasion, lead to the roughness on central spindle surface
It changes, to influence the cooperation between central spindle and spring, causes damping force in decaying tendency, need replacing damping tooth at this time
Take turns the normal operation to guarantee wire size printer and other similar devices.
Utility model content
The increase that the purpose of the utility model is to provide a kind of with the working time, damping force do not have the resistance of larger fluctuation
Buddhist nun's gear and wire size printer.
To realize a kind of damping gear that the utility model aim provides, including gear, central spindle, axle cap, the first main friction
Piece, the second main friction plate, the first secondary friction plate, the second secondary friction plate, friction plate cover plate and elastomeric element；
Described central spindle one end is equipped with blocking portion, and the other end is equipped with axle cap clamping portion；
Described second secondary friction plate is socketed in the central spindle, and is located above the blocking portion；
The second main friction plate is rotatably set in the central spindle, and is located above the described second secondary friction plate；
The gear is rotatably set in the central spindle, and is located above the described second main friction plate；
The first main friction plate is rotatably set in the central spindle, and is located above the gear；
Described first secondary friction plate is socketed in the central spindle, and is located above the described first main friction plate；
The friction plate cover plate is socketed in the central spindle, and is located above the described first secondary friction plate；
The elastomeric element is set in the central spindle, and is located above the friction plate cover plate；
The axle cap is socketed in the central spindle, and is located above the elastomeric element, the axle cap and the axle cap card
Socket part connects and fixes；
The elastomeric element is between the friction plate cover plate and the axle cap along the axial direction elasticity shape of the central spindle
Become.
In a wherein specific embodiment, the elastomeric element is spring.
In a wherein specific embodiment, the gear is circular gear, and two rounded face of gear is equipped with master and rubs
Pad fixed part, the main friction plate fixed part is for limiting the described first main friction plate and the second main friction plate and the gear
It is rotated synchronously in the central spindle.
In a wherein specific embodiment, the main friction plate fixed part is circular ring structure rib；
The circular ring structure rib set there are four opening, it is described four opening by circular ring structure rib be divided into four it is identical
Arcuate structure；
The first main friction plate include can be embedded in the circular ring structure rib circular plate main structure body and with institute
State four protrusions that four opening shapes match；
The second main friction plate is identical as the described first main friction plate structure.
In a wherein specific embodiment, the described first secondary friction plate structure in the form of a circular plate, the described first secondary friction
The diameter of the circular plate structure of piece is equal with the diameter of circular plate main structure body of the described first main friction plate；
Described second secondary friction plate is identical as the described first secondary friction plate structure.
In a wherein specific embodiment, the friction plate cover plate structure in the form of a circular plate, and the friction plate cover plate
Circular plate structure diameter it is identical as the described first secondary diameter of circular plate structure of friction plate.
In a wherein specific embodiment, the master of the upper surface of the upper surface and gear of the described first secondary friction plate
The upper surface of the cyclic structure rib of friction plate fixed part is concordant；
The cyclic structure of the main friction plate fixed part of the lower surface of the lower surface and gear of described second secondary friction plate
The lower surface of rib is concordant.
To realize a kind of wire size printer that the utility model aim provides, include the resistance in any of the above specific embodiment
Buddhist nun's gear.
The beneficial effects of the utility model include: the damping gear of the utility model, pass through spring, axle cap and friction plate lid
The setting of piece, so that damping force is generated by main friction plate with the mode that secondary friction plate contacts friction, main friction plate and secondary friction plate
It will not make damping force that biggish fluctuation occur after working long hours.
Detailed description of the invention
Fig. 1 is a kind of explosive view of the specific embodiment of damping gear of the utility model；
Fig. 2 is a kind of cross-sectional view of the specific embodiment of damping gear of the utility model；
Fig. 3 is a kind of main view of the specific embodiment of damping gear of the utility model；
Fig. 4 is a kind of top view of the specific embodiment of damping gear of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing to this reality
It is illustrated with the specific embodiment of novel damping gear.It should be appreciated that specific embodiment described herein is only used
To explain the utility model, it is not used to limit the utility model.
The damping gear of an embodiment as shown in Figures 1 to 4, including gear 100, central spindle 110, axle cap 120, the first main friction
Piece 161, the second secondary friction plate 152 of main the 162, first secondary friction plate 151, second of friction plate, friction plate cover plate 140 and elastomeric element
130；110 one end of central spindle is equipped with blocking portion, and the other end is equipped with 120 clamping portion of axle cap；Second secondary friction plate 152 is socketed in central spindle
On 110, and it is located above blocking portion；Second main friction plate 162 is rotatably set in central spindle 110, and is located at the second pair and is rubbed
152 top of pad；Gear 100 is rotatably set in central spindle 110, and is located at the second main 162 top of friction plate；First master rubs
Pad 161 is rotatably set in central spindle 110, and is located at 100 top of gear；First secondary friction plate 151 is socketed in central spindle 110
On, and it is located at the first main 161 top of friction plate；Friction plate cover plate 140 is socketed in central spindle 110, and is located at the first secondary friction plate
151 tops；Elastomeric element 130 is set in central spindle 110, and is located at 140 top of friction plate cover plate；Axle cap 120 is socketed in central spindle
On 110, and it is located at 130 top of elastomeric element, axle cap 120 is connected and fixed with 120 clamping portion of axle cap；Elastomeric element 130 is rubbing
Along the axial direction elastic deformation of central spindle 110 between piece cover plate 140 and axle cap 120.
In this embodiment, as shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 4, the first secondary friction plate 152 of secondary friction plate 151, second and
Friction plate cover plate 140 is socketed in central spindle 110 by through-hole, and the shape of through-hole matches with central spindle 110, and central spindle 110 is transversal
When face is triangular in shape, through-hole is triangle；When 110 cross section of central spindle is square, through-hole is square；110 cross section of central spindle
Can be arbitrary shape than a circular one with through-hole, 110 the first secondary friction plate 152 of secondary friction plate 151, second of cross section of central spindle and
Friction plate cover plate 140 cannot be relatively rotated with central spindle 110；First main friction plate 161, the second main friction plate 162 and gear 100 are logical
It crosses large through-hole to be rotatably set in central spindle 110, can be relatively rotated with central spindle 110, large through-hole can be circular.Axle cap
120 shape and 120 clamping portion of axle cap match, and axle cap 120 can be connected and fixed with 120 clamping portion of axle cap.Elastomeric element 130
The rubber block with large through-hole, the sponge block with large through-hole, spring or other elastomeric elements 130 can be selected, it is preferred that
Elastomeric element 130 is spring, and elastomeric element 130 selects spring at low cost, easy to install, weight, elasticity modulus big, to damp tooth
Wheel more Portable durable, damping force are stablized.Elastic shape occurs between axle cap 120 and friction plate cover plate 140 for elastomeric element 130
Become, elastic force of the direction towards blocking portion is applied to friction plate cover plate 140, thus when gear 100 rotates, the first secondary friction plate 151
And first rub between main friction plate 161, rubs between the second secondary friction plate 152 and the second main friction plate 162, production
Raw damping force, with the growth of working time, the first secondary friction plate 152 of secondary friction plate 151, second, the first main friction plate 161,
Although the second main 162 surface of friction plate generates abrasion, damping force there will not be biggish fluctuation.Simultaneously compared to traditional
Assembling duration is caused to increase to avoid camber of spring when the damping gear assembling of spring tight-holding type, the matter of spring and central spindle 110
Amount requires increased costs caused by height, and damping gear provided by the utility model is easy for assembly, to elastomeric element 130 and central spindle
110 quality requirement is relatively low, reduces costs.
In a wherein specific embodiment, gear 100 is circular gear 100, and 100 liang of rounded faces of gear are equipped with master and rub
Pad fixed part 170, main friction plate fixed part 170 is for limiting the first main friction plate 161 and the second main friction plate 162 and gear
100 rotate synchronously in central spindle 110.
In this embodiment, as shown in Fig. 1 and Fig. 4, main friction plate fixed part 170 is integrally formed with gear 100, main friction
Piece fixed part 170 is matched with the first main friction plate 161 and the second main friction plate 162 respectively, so that gear 100 is in central spindle 110
The first main friction plate 161 and the second main friction plate 162 and gear 100 rotate synchronously when upper rotation.When the first main 161 He of friction plate
Second main friction plate 162 be on circumference with notch circular plate structure when, main friction plate fixed part 170 can be with
The circular ring structure for the protrusion that kerf matches；When the first main friction plate 161 and the second main friction plate 162 are with notch
Square plate structure when, main friction plate fixed part 170 can be with the pros of protrusion to match with kerf
Shape border structure.Gear 100 and the first main friction plate 161 and the second main friction plate 162 rotate synchronously, so that the first secondary friction plate
151 and second secondary friction plate 152 directly gear 100 is turned when rubbing to the first main friction plate 161 and the second main friction plate 162
It is dynamic to play the role of damping force, make that the loss of entire damping gear power is low, high-efficient, damping force is stablized.
In a wherein specific embodiment, main friction plate fixed part 170 is circular ring structure rib；Circular ring structure rib is set
There are four opening, circular ring structure rib is divided into four identical arcuate structures by four openings；First main friction plate 161 includes energy
Four protrusions for being enough embedded in the circular plate main structure body of circular ring structure rib and being matched with four opening shapes；Second is main
Friction plate 162 is identical as the first main 161 structure of friction plate.
In this embodiment, as shown in Fig. 1 and Fig. 4, main friction plate fixed part 170, the first main friction plate 161, second are main
It is more stable that the such center symmetric setting of friction plate 162 rotates gear 100 when using, and circular plate main structure body is embedding when installation
Enter in circular ring structure rib, four protrusions are inserted into respectively in four openings, so that the first main friction plate 161, the second main friction
Piece 162 and gear 100 can rotate synchronously in central spindle 110.
In a wherein specific embodiment, the first secondary friction plate 151 structure in the form of a circular plate, the first secondary friction plate 151
Circular plate structure diameter it is equal with the diameter of circular plate main structure body of the first main friction plate 161；Second secondary friction
Piece 152 is identical as the first secondary 151 structure of friction plate.
In this embodiment, such as Fig. 1, shown in Fig. 2, Fig. 3 and Fig. 4, the first secondary friction plate 151 and the second secondary friction plate 152
Be arranged to circular plate structure, and the main body with the circular plate structure of the first main friction plate 161 and the second main friction plate 162
Diameter is equal, and setting is so that the first main friction plate 161 and the first secondary friction plate 151, the second main friction plate 162 and second are secondary in this way
152 contact area of friction plate is big and 100 rotation process of gear in the damping force that is subject to more evenly, so that gear 100 rotates
It is more stable.
In a wherein specific embodiment, the structure in the form of a circular plate of friction plate cover plate 140, and friction plate cover plate 140
The diameter of circular plate structure is identical as the first secondary diameter of circular plate structure of friction plate 151.
In this embodiment, shown in as shown in Figure 1, Figure 2, Fig. 3 and Fig. 4, friction plate cover plate 140 and the first pair being arranged in this way are rubbed
The one side of pad 151 abuts, and friction plate cover plate 140 is rubbed by the first pair is uniformly applied to after the elastic force of elastomeric element 130
On piece 151, so that the damping force that gear 100 is subject to is more evenly, gear 100 rotates more stable.
In a wherein specific embodiment, the master of the upper surface and the upper surface of gear 100 of the first secondary friction plate 151 rubs
The upper surface of the cyclic structure rib of pad fixed part 170 is concordant；Under the lower surface and gear 100 of second secondary friction plate 152
The lower surface of the cyclic structure rib of the main friction plate fixed part 170 on surface is concordant.
In this embodiment, as shown in Fig. 2, the first secondary friction plate 152 of secondary friction plate 151, second being arranged in this way and master
Friction plate fixed part 170 so that the assembling of damping gear is easier, by the upper surface of the after assembling first secondary friction plate 151 with
Whether the upper surface of the cyclic structure rib of the main friction plate fixed part 170 of the upper surface of gear 100 is concordant；Second secondary friction plate
Whether 152 lower surface and the lower surface of the cyclic structure rib of the main friction plate fixed part 170 of the lower surface of gear 100 are concordant
Staff can be made quickly to judge assembling quality, to guarantee the normal work of damping gear.
In a wherein specific embodiment, wire size printer includes the damping gear in any of the above specific embodiment.
Do not have to damp after because working long hours using the wire size printer of the damping gear of any of the above specific embodiment
Gear damping force decays and frequently replaces damping gear, and use cost is low and durable.
Working principle: axle cap 120 makes elastomeric element 130 that elastic deformation generation elastic force occur after installing, pass through elastic portion
Elastic force of the part 130 to friction plate cover plate 140.When gear 100 rotates, the first main friction plate 161 and the second main friction plate are driven
162 rotations so that between the first main friction plate 161 and the first secondary friction plate 151, the second main friction plate 162 and the second secondary friction
Frictional force is generated between piece 152, friction plate force reaction forms damping force in gear 100, slows down 100 velocity of rotation of gear.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (8)
1. a kind of damping gear, which is characterized in that including gear, central spindle, axle cap, the first main friction plate, the second main friction plate,
One secondary friction plate, the second secondary friction plate, friction plate cover plate and elastomeric element；
Described central spindle one end is equipped with blocking portion, and the other end is equipped with axle cap clamping portion；
Described second secondary friction plate is socketed in the central spindle, and is located above the blocking portion；
The second main friction plate is rotatably set in the central spindle, and is located above the described second secondary friction plate；
The gear is rotatably set in the central spindle, and is located above the described second main friction plate；
The first main friction plate is rotatably set in the central spindle, and is located above the gear；
Described first secondary friction plate is socketed in the central spindle, and is located above the described first main friction plate；
The friction plate cover plate is socketed in the central spindle, and is located above the described first secondary friction plate；
The elastomeric element is set in the central spindle, and is located above the friction plate cover plate；
The axle cap is socketed in the central spindle, and is located above the elastomeric element, the axle cap and the axle cap clamping portion
It connects and fixes；
The elastomeric element is between the friction plate cover plate and the axle cap along the axial direction elastic deformation of the central spindle.
2. damping gear according to claim 1, which is characterized in that the elastomeric element is spring.
3. damping gear according to claim 1, which is characterized in that the gear is circular gear, the circle of gear two
Shape face is equipped with main friction plate fixed part, and the main friction plate fixed part rubs for limiting the described first main friction plate and the second master
Pad rotates synchronously in the central spindle with the gear.
4. damping gear according to claim 3, which is characterized in that the main friction plate fixed part is circular ring structure gear
Side；
The circular ring structure rib is set there are four opening, and circular ring structure rib is divided into four identical arcs by four openings
Structure；
The first main friction plate includes that can be embedded in the circular plate main structure body of the circular ring structure rib and with described four
Four protrusions that a opening shape matches；
The second main friction plate is identical as the described first main friction plate structure.
5. damping gear according to claim 4, which is characterized in that the described first secondary friction plate structure in the form of a circular plate,
The diameter of the circular plate structure of described first secondary friction plate is straight with the circular plate main structure body of the described first main friction plate
Diameter is equal；
Described second secondary friction plate is identical as the described first secondary friction plate structure.
6. damping gear according to claim 5, which is characterized in that the friction plate cover plate structure in the form of a circular plate, and
The diameter of the circular plate structure of the friction plate cover plate is identical as the described first secondary diameter of circular plate structure of friction plate.
7. damping gear according to claim 5, which is characterized in that the upper surface of the described first secondary friction plate and the tooth
The upper surface of the cyclic structure rib of the main friction plate fixed part of the upper surface of wheel is concordant；
The cyclic structure rib of the main friction plate fixed part of the lower surface of the lower surface and gear of described second secondary friction plate
Lower surface it is concordant.
8. a kind of wire size printer, which is characterized in that include the described in any item damping gears of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821197363.9U CN208515201U (en) | 2018-07-26 | 2018-07-26 | Damping gear and wire size printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821197363.9U CN208515201U (en) | 2018-07-26 | 2018-07-26 | Damping gear and wire size printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208515201U true CN208515201U (en) | 2019-02-19 |
Family
ID=65333812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821197363.9U Active CN208515201U (en) | 2018-07-26 | 2018-07-26 | Damping gear and wire size printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208515201U (en) |
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2018
- 2018-07-26 CN CN201821197363.9U patent/CN208515201U/en active Active
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