CN209668371U - A kind of rubber roll for printer electric conductivity - Google Patents
A kind of rubber roll for printer electric conductivity Download PDFInfo
- Publication number
- CN209668371U CN209668371U CN201920267958.5U CN201920267958U CN209668371U CN 209668371 U CN209668371 U CN 209668371U CN 201920267958 U CN201920267958 U CN 201920267958U CN 209668371 U CN209668371 U CN 209668371U
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- Prior art keywords
- limited block
- central spindle
- rubber tube
- limiting slot
- groove
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Abstract
The utility model relates to a kind of rubber rolls for printer electric conductivity, belong to conveying roller technical field, drip irrigation device: including central spindle；And it is set in the rubber tube in central spindle, several grooves are offered in the central spindle, the groove activity is equipped with limited block, the elastic component for driving limited block to stretch along groove inner wall is equipped in the groove, the limiting slot to match with limited block is offered on the rubber tube inner wall, and the return unit for driving limit block reset is equipped in the limiting slot.The rubber roll of the utility model when in use, can facilitate the installation and removal of rubber tube and central spindle, and rubber tube is firmly mutually assembled with central spindle very much, reduce the case where rubber tube loosens.
Description
Technical field
The utility model relates to conveying roller technical field more particularly to a kind of rubber rollings for printer electric conductivity
Wheel.
Background technique
Printer is common print paper equipment during office is daily, is made of more part, and has conduction
The rubber roll of property, is wherein important component part, rubber roll is mainly used for the conveying of printer paper.
Currently, traditional rubber roll mainly includes the central spindle of metal material, and the rubber tube being set in central spindle, In
During assembling rubber roll, usually directly rubber sleeve is located on the central spindle outer wall of metal, still, is being actually used
During rubber roll, there can be rubber tube and occur loosening or being bonded unstable situation with central spindle, cause in conveying paper
It has some setbacks when opening or paper jam occurs, influence the normal conveying of paper.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of for printer electric conductivity
Rubber roll can facilitate the installation and removal of rubber tube and central spindle, and rubber tube is firmly mutually assembled with central spindle very much,
Reduce the case where rubber tube loosens.
The above-mentioned purpose of the utility model has the technical scheme that
A kind of rubber roll for printer electric conductivity, comprising: central spindle；And it is set in the rubber tube in central spindle, institute
It states and offers several grooves in central spindle, the groove activity is equipped with limited block, is equipped in the groove for driving limited block
The elastic component to stretch along groove inner wall, offers the limiting slot to match with limited block, the limit on the rubber tube inner wall
The return unit for driving limit block reset is equipped in slot.
By adopting the above technical scheme, when needing to install rubber tube, rubber tube can be arranged along central spindle, works as rubber tube
On limiting slot and central spindle on groove when aligning, the limited block of setting can under the action of the elastic member, automatically from groove
Interior pop-up is simultaneously fitted in limiting slot, and limited block is mutual chimeric with limiting slot, rubber tube firmly very can be fixed on axis
On core, when needing to dismantle lower rubber tube, return unit can use, so that rubber tube is very easily removed, through the above scheme,
The case where rubber tube loosens can be effectively reduced, so that when conveying paper more smoothly.
The utility model is further arranged: the return unit includes: to be connected to limit along limiting slot opening direction slidingtype
Movable block in slot；The through-hole being provided in limit groove bottom wall；And one end is mutually fixed with movable block, the other end passes through through-hole
Compression bar.
By adopting the above technical scheme, the movable block of setting can be slided along the inner wall of limiting slot, when limited block is fitted to
When in limiting slot, movable block can be jacked up, when needing to release the limitation to limited block, it is only necessary to press moulded rod, compression bar is just
Movable block can be driven mobile, so that limited block be ejected out of limiting slot, this structure operation is simple, it is easy to accomplish.
The utility model is further arranged: the limit groove bottom wall is equipped with elastic force answering less than elastic component elastic force
Position spring, the reset spring are mutually fixed far from one end of limit groove bottom wall with movable block.
By adopting the above technical scheme, the setting of reset spring, when releasing limitation of the limited block to rubber tube, reset spring
Can automatic driving activity block reset, save artificial this process for using hand-drive movable block.
The utility model is further arranged: the movable block is close to one end of limited block and limited block far from groove
One end is equipped with the magnetic material to attract each other.
By adopting the above technical scheme, the magnetic material of setting, itself has guiding performance, can use the attraction of itself, make
It obtains limited block to be quickly attached together with movable block, at the same time it can also utilize attraction, so that movable block and limited block are firmly
Absorption, further increase the limited block fastness chimeric with limiting slot.
The utility model is further arranged: the limited block is equipped with arcwall face far from one end of groove.
By adopting the above technical scheme, the arcwall face of setting, during limited block is inserted into limiting slot, it is possible to reduce limit
Frictional force between block and limiting slot edge, is inserted into limited block more smoothly in limiting slot.
The utility model is further arranged: the movable block is equipped with inner concave close to one end of groove.
By adopting the above technical scheme, the inner concave of setting can increase the contact area between limited block, so as to
Stiction between the two is further increased, so that stronger chimeric with movable block of limited block.
The utility model is further arranged: the central spindle outer surface be equipped with multiple protrusions, the rubber tube inner wall be equipped with
The recess that protrusion matches.
By adopting the above technical scheme, when rubber tube and central spindle match, the protrusion of setting can be mutually chimeric with recess, makes
The contact area for obtaining rubber tube and central spindle increases, and further improves the fastness that rubber tube is arranged.
The utility model is further arranged: the central spindle is equipped with bar shaped fin along extending direction, and the rubber tube inner wall is set
There is the strip groove to match with bar shaped fin.
By adopting the above technical scheme, the bar shaped fin of setting, itself can be mutually matched with strip groove, on the one hand can increase
The contact area of big rubber tube and central spindle, so that rubber tube fitting is even closer, on the other hand, strip groove can be convex to bar shaped
Rib plays certain guiding and restriction effect, so that rubber tube can be set in central spindle along scheduled direction, so as to subtract
The case where few rubber tube shifts.
In conclusion the utility model has the following beneficial effects:
By setting limited block and elastic component, when rubber sleeve is located in central spindle, the limited block of setting can be in elasticity
It is automatically inserted under the driving of part in the limiting slot of rubber tube, so that limited block is mutually chimeric with limiting slot, it can be very easily
Rubber tube is fixed on scheduled position；When needs release the limitation to rubber tube, it is only necessary to utilize return unit, pass through
Above scheme can very easily realize the Fast Installation and disassembly of rubber tube, so as to reduce rubber tube worked
The case where being loosened between Cheng Zhongyu central spindle.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model embodiment；
Fig. 2 is the position view of bar shaped fin and strip groove in the utility model embodiment.
Appended drawing reference: 1, central spindle；11, groove；12, limited block；13, compressed spring；2, rubber tube；21, limiting slot；22,
Movable block；23, through-hole；24, compression bar；25, reset spring；3, arcwall face；4, inner concave；5, raised；51, recess；6, bar shaped is convex
Rib；61, strip groove.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
The present embodiment: a kind of rubber roll for printer electric conductivity, as depicted in figs. 1 and 2, including central spindle 1 and rubber
Packing element 2, rubber tube 2 are set in central spindle 1, and several grooves 11 are offered in central spindle 1, in the present embodiment preferably two it is recessed
Slot 11, activity is equipped with limited block 12 in groove 11, is equipped with compressed spring 13 in the bottom wall of groove 11, compressed spring is separate
One end of 11 bottom wall of groove is mutually fixed with the inner end of limited block 12, and limiting slot 21 is offered on the inner wall of rubber tube 2, limit
Slot 21 can be mutually chimeric with limited block 12, so that rubber tube 2 is fixed in central spindle 1, in addition, being provided in limiting slot 21 multiple
Position part, return unit can release the limitation to rubber tube 2.
In the present embodiment, return unit includes: the work being connected in limiting slot 21 along 21 opening direction slidingtype of limiting slot
Motion block 22；The through-hole 23 being provided on 21 bottom wall of limiting slot；And one end is fixed with 22 phase of movable block, the other end passes through through-hole
23 compression bar 24, to avoid compression bar 24 from influencing the normal work of rubber tube 2, in the present embodiment, the length and through-hole of compression bar 24
23 length is consistent.
When needing to install rubber tube 2, rubber tube 2 can be arranged along the extending direction of central spindle 1, work as rubber tube
When the groove 11 on limiting slot 21 and central spindle 1 on 2 aligns, limited block 12 can be under the driving of compressed spring 13, automatically
It pops up and is fitted in limiting slot 21 out of groove 11, so that limited block 12 is mutually chimeric with limiting slot 21, so as to very firm
Solid rubber tube 2 is fixed in central spindle 1, when needing to dismantle lower rubber tube 2, can use pressing lever 24 down, so that pressure
Bar 24 drives movable block 22 to move down, so that limited block 12 be squeezed out out of limiting slot 21, then twitches rubber tube 2, can
So that rubber tube 2 is very easily removed, through the above scheme, the case where rubber tube 2 loosens can be effectively reduced.
Wherein, the reset spring 25 that elastic force is less than 13 elastic force of compressed spring is installed in the bottom wall of limiting slot 21, it is multiple
The position one end of spring 25 far from 21 bottom wall of limiting slot is fixed with 22 phase of movable block, when limitation of the releasing limited block 12 to rubber tube 2
When, reset spring 25 can automatically drive movable block 22 to reset, so as to save this mistake of manual drive movable block 22
Journey.
Mutual suction is equipped with far from one end of groove 11 close to one end of limited block 12 and limited block 12 in movable block 22
The magnetic material drawn, in the present embodiment, magnetic material can be flexible magnetic patch, and magnetic patch itself has guiding performance, Ke Yili
With the attraction of itself, so that limited block 12 is quickly attached together with movable block 22, at the same time it can also utilize attraction,
Further increase the fastness chimeric with 21 inner wall of limiting slot of limited block 12.
In addition, being equipped with arcwall face 3 far from one end of groove 11 in limited block 12, arcwall face 3 is inserted into limited block 12 and limits
During slot 21, it is possible to reduce the frictional force between 21 edge of limited block 12 and limiting slot, allow limited block 12 more
Add and is smoothly inserted into limiting slot 21；Meanwhile it being equipped with inner concave 4 close to one end of groove 11 in movable block 22, inner concave 4 can be with
Increase the contact area between movable block 22 and limited block 12, stiction between the two can be further increased, so that limit
Stronger chimeric with movable block 22 of position block 12.
Multiple raised 5 are additionally provided in the outer surface of central spindle 1, and it is recessed equipped with matching with protrusion 5 in the inner wall of rubber tube 2
Mouth 51, when rubber tube 2 and central spindle 1 match, the protrusion 5 of setting can be mutually chimeric with recess 51, so that rubber tube 2 and central spindle
1 contact area increases, and further improves the fastness that rubber tube 2 is set in central spindle 1.
It is equipped with bar shaped fin 6 on direction in addition, extending along in 1 outer wall of central spindle, and is equipped with and item in the inner wall of rubber tube 2
The strip groove 61 that shape fin 6 matches, bar shaped fin 6 itself can be mutually matched with strip groove 61, when being arranged rubber tube 2,
On the one hand can increase the contact area of rubber tube 2 Yu central spindle 1 so that rubber tube 2 be bonded with central spindle 1 it is even closer；It is another
Aspect, strip groove 61 can play certain guiding role to bar shaped fin 6, allow rubber tube 2 along scheduled direction
It is set in central spindle 1, so as to reduce the case where rubber tube 2 shifts.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification made to the present embodiment and do not create contribution after reading this specification, but only
It will be in the scope of the claims of the utility model all by the protection of Patent Law.
Claims (8)
1. a kind of rubber roll for printer electric conductivity characterized by comprising central spindle (1)；And it is set in central spindle
(1) rubber tube (2) on offers several grooves (11) on the central spindle (1), and groove (11) activity is equipped with limited block
(12), the elastic component for driving limited block (12) to stretch along groove (11) inner wall, the rubber are equipped in the groove (11)
The limiting slot (21) to match with limited block (12) is offered on cylinder (2) inner wall, is equipped in the limiting slot (21) for driving
The return unit that limited block (12) resets.
2. a kind of rubber roll for printer electric conductivity according to claim 1, which is characterized in that the return unit
It include: the movable block (22) being connected to along limiting slot (21) opening direction slidingtype in limiting slot (21)；It is provided with limiting slot
(21) through-hole on bottom wall (23)；And one end and movable block (22) are mutually fixed, the other end passes through the compression bar of through-hole (23)
(24).
3. a kind of rubber roll for printer electric conductivity according to claim 1, which is characterized in that the limiting slot
(21) bottom wall is equipped with the reset spring (25) that elastic force is less than elastic component elastic force, and the reset spring (25) is far from limiting slot
(21) one end of bottom wall is mutually fixed with movable block (22).
4. a kind of rubber roll for printer electric conductivity according to claim 2, which is characterized in that the movable block
(22) magnetism to attract each other is equipped with far from the one end of groove (11) close to the one end of limited block (12) and limited block (12)
Object.
5. a kind of rubber roll for printer electric conductivity according to claim 1, which is characterized in that the limited block
(12) one end far from groove (11) is equipped with arcwall face (3).
6. a kind of rubber roll for printer electric conductivity according to claim 2, which is characterized in that the movable block
(22) one end close to groove (11) is equipped with inner concave (4).
7. a kind of rubber roll for printer electric conductivity according to claim 1, which is characterized in that the central spindle
(1) outer surface is equipped with multiple raised (5), and rubber tube (2) inner wall is equipped with the recess (51) to match with raised (5).
8. a kind of rubber roll for printer electric conductivity according to claim 1, which is characterized in that the central spindle
(1) bar shaped fin (6) are equipped with along extending direction, rubber tube (2) inner wall is equipped with the strip groove to match with bar shaped fin (6)
(61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920267958.5U CN209668371U (en) | 2019-03-02 | 2019-03-02 | A kind of rubber roll for printer electric conductivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920267958.5U CN209668371U (en) | 2019-03-02 | 2019-03-02 | A kind of rubber roll for printer electric conductivity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209668371U true CN209668371U (en) | 2019-11-22 |
Family
ID=68570417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920267958.5U Active CN209668371U (en) | 2019-03-02 | 2019-03-02 | A kind of rubber roll for printer electric conductivity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209668371U (en) |
-
2019
- 2019-03-02 CN CN201920267958.5U patent/CN209668371U/en active Active
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