CN202372746U - Clamping device and image forming equipment - Google Patents
Clamping device and image forming equipment Download PDFInfo
- Publication number
- CN202372746U CN202372746U CN201120491582XU CN201120491582U CN202372746U CN 202372746 U CN202372746 U CN 202372746U CN 201120491582X U CN201120491582X U CN 201120491582XU CN 201120491582 U CN201120491582 U CN 201120491582U CN 202372746 U CN202372746 U CN 202372746U
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- bearing
- image forming
- claw
- forming apparatus
- peg
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Abstract
The utility model relates to a clamping device and image forming equipment, and belongs to the field of image forming devices. The clamping device comprises a bearing and a bearing supporting part, wherein the bearing is used for mounting a roller; a pair of plug connectors is arranged on the first end face of the bearing; guide slots are respectively formed on two side faces of the bearing; the bearing supporting part comprises clamping claws and sliding strips which are clamped with the plug connectors and the guide slots respectively; and a baffle plate is arranged on the bearing, so that the clamping claws are positioned between the baffle plate and the plug connectors. According to the clamping device, the problem that the bearing is easily separated from the bearing supporting part when the image forming equipment is transported or carried can be solved, so that the structural stability of the image forming equipment is guaranteed.
Description
Technical field
The utility model relates to a kind of clamping apparatus and the image forming apparatus that uses this clamping apparatus.
Background technology
At present, along with progress of science and technology, image forming apparatus such as laser printer, duplicating machine, facsimile recorder, all-in-one multifunctional machine etc. are widely used in people's work and the life.
Laser printer as image forming apparatus; The image-forming principle of its image processing apparatus is following: at first with the photosensitive-member in the handle box by the charging device uniform charging, laser instrument carries out selectivity exposure to form corresponding electrostatic latent image according to image information on photosensitive-member then.Then make electrostatic latent image on photosensitive-member, form toner image, and the toner image on the photosensitive-member is transferred on the print media, thereby on print media, form visual toner image by transfer roll through developing apparatus.
Transfer roll is generally rotatably supported by bearing.Fig. 1 has shown the scheme of installation of transfer roll in the traditional images forming device, and 1 is transfer roll therein, and 2 is bearing, and 3 is the bearings parts.Bearings parts 3 comprise with a pair of claw of bearing 2 clampings 31 with slip into bar 32.Fig. 2 A and 2B have shown the structural representation of transfer printing roller bearing in the traditional images forming device; Wherein on first end face of bearing 2, be furnished with two connection-pegs 20; On second end face, be furnished with transfer roll mounting hole 23, on two sides of bearing 2, be furnished with the guiding groove of forming by two parallel guide rails 22 respectively.The global shape of connection-peg 20 is a four prism type, and its first bottom surface forms step part 21.
As shown in Figure 1; When bearing 2 and bearings parts 3 are assembled together; Two of bearings parts 3 are slipped into bar 32 slip into two guiding grooves 22 of bearing 2 respectively and link together, in this process, two connection-pegs 20 of bearing 2 can be inserted into the interstitial site between two claws 31 of bearings parts 3; And claw 31 is connected on the step part 21 of connection-peg 20, thereby bearing 2 stably is assembled together with bearings parts 3.
The material of claw 31 is generally resin material commonly used, for example ABS or PC.Therefore the intensity of these materials is relatively poor, if increase the intensity of claw 31, must increase the thickness of claw 31, but the blocked up meeting of claw 31 thickness causes the assembling difficulty.Therefore, the intensity of assurance claw 31 is very difficult.
The insufficient strength of claw 31 can cause following problem: in transportation or carrying image forming apparatus process; Because violent vibrations or collision; The intensity of claw 31 often can not be supported proper mass and the yielding that deforms of transfer roll 1; The step part 21 that breaks away from bearing 2 causes bearing 2 and transfer roll 1 to be deviate from from bearings parts 3.In addition, break away from bearing 2 and transfer roll 1 Free Slosh in image forming apparatus of bearings parts 3, cause damage can for other vitals in the image forming apparatus.
The utility model content
To the problems referred to above, the utility model provides a kind of clamping apparatus and the image forming apparatus that uses this clamping apparatus, it can solve in transportation or carrying image forming apparatus process, the problem that bearing and bearings parts are thrown off easily.
According to the one side of the utility model, a kind of clamping apparatus has been proposed, it comprises bearing, on first end face of bearing, is furnished with a pair of connection-peg, on two sides of bearing, is furnished with guiding groove respectively; The bearings parts, it comprises the claw that engages with said connection-peg and guiding groove respectively and slips into bar.Wherein, said bearing is provided with baffle plate, and claw is thrown off to prevent the clamping between claw and the connection-peg between baffle plate and connection-peg.
In one embodiment, on second end face of bearing, be furnished with the roller mounting hole, in order to roller to be installed.In a certain embodiments, such bearing can be used for arranging transfer roll.
In one embodiment, guiding groove is made up of two parallel guide rails, and said baffle plate is formed by the extension near the guide rail of said first end face.In a preferred embodiment, the extension of guide rail comprises first extension that is parallel to bearing first end face and perpendicular to second extension of bearing first end face, thereby forms " L " shape structure.Second extension and claw are spaced apart.Thus, can make the simple shapeization of bearing, be convenient to bearing through one-shot forming like technology such as castings.
In one embodiment, the lateral surface of connection-peg is the inclined-plane, thereby forms two bottom surfaces that area is different, and the bottom surface that wherein area is bigger engages with claw.The connection-peg of this inclined-plane form makes and bearing to be engaged more convenient with insertion between the bearings parts, and can prevent the destruction to the claw of bearings parts.
In one embodiment, the clamping apparatus of the utility model also comprises the flexible member joint chair of arranging on the bearing bottom between connection-peg.In a preferred embodiment, this flexible member joint chair is that " ten " font is protruding, and flexible member is a spring.
According to the utility model, play the for example use of spring of shape element, extra protection is provided also for the bearings parts.For example, this bullet shape element makes between transfer roll and the photosensitive drums and to be Elastic Contact, can be when this figure forming device receive bigger impact, and this elastomeric element can cushion the motion of bearing, thus the impulsive force that the bearings parts of effect are received reduces greatly.
According to the utility model on the other hand, a kind of image forming apparatus that uses above-mentioned clamping apparatus is provided.In one embodiment, image forming apparatus comprises the transfer roll that uses said clamping apparatus, and said claw with slip into bar and tilt towards the downstream of paper feed direction.
In one embodiment, image forming apparatus is a kind of in printer, duplicating machine, facsimile recorder and the all-in-one multifunctional machine.
The advantage of the utility model is; Through using the clamping apparatus of the utility model; In image forming apparatus transportation or handling process, can prevent effectively that the clamping between bearing and the bearings parts from throwing off, thereby the roller that is installed on the bearing can not break away from yet from its installation site; Guarantee the structural stability of image forming apparatus, damaged the inner miscellaneous part of image forming apparatus when also having avoided simultaneously bearing and roller to break away from its installation site.In addition, the use of the elastomeric element between bearing and bearings parts provides extra protection also for the bearings parts.
Description of drawings
To be example with the transfer roll hereinafter, and come the utility model is described in more detail based on embodiment and with reference to accompanying drawing.Therein:
Fig. 1 is the scheme of installation of transfer roll in the traditional images forming device;
Fig. 2 A is the structural representation of transfer printing roller bearing in the traditional images forming device;
Fig. 2 B is the structural representation of transfer printing roller bearing in the traditional images forming device;
Fig. 3 is the structural representation according to the image forming apparatus of the utility model;
Fig. 4 is the transfer roll mounting structure synoptic diagram according to the utility model;
Fig. 5 A is the structural representation according to the transfer roll bearing of the utility model;
Fig. 5 B is the structural representation according to the transfer roll bearing of the utility model;
Fig. 5 C is the structural representation according to the transfer roll bearing of the utility model;
Fig. 6 is the structural representation according to the bearings parts of the utility model.
In the drawings, identical member is indicated by identical Reference numeral.Accompanying drawing is not according to the scale of reality.
Embodiment
To be example with the transfer roll below, the utility model further specified in conjunction with accompanying drawing.
Fig. 3 is the structural representation according to the image forming apparatus of present embodiment.The plurality of sheets of paper of storing that image forming apparatus 100 comprises housing 110, be contained in the said housing 110 are opened the sheet feed stacker 120 of P, paper feeding device 130, transfer roller 140, transfer device 150, fixing device 160, discharger 170, laser scanner 180 and are removably installed in the handle box 200 in the image forming apparatus 100.The developer roll 210 and the charging roller 220 that in handle box 200, are furnished with photosensitive drums 230 and are in direct contact with it.Outer surface of upper at housing 110 is provided with the discharge dish 190 that is used to receive paper P.
The principle of work of image forming apparatus 110 is following: as shown in Figure 3; The paper P that is stored on the sheet feed stacker 120 in the image forming apparatus 100 is picked up and is sent to transfer roller 140 one by one by paper feeding device 130; By transfer roller 140 paper P is guided to graphics processing unit then, thereby promptly handle box 200 places form image on paper P.Specifically: the charging roller 220 in the handle box 200 gives photosensitive drums 230 chargings, and laser scanner 180 will have the laser beam irradiation of image information on charged photosensitive drums 230, makes photosensitive drums 230 surfaces form latent image.Developer roll 210 is transferred to carbon dust on the photosensitive drums 230, photosensitive drums 230 lip-deep latent images is developed form the carbon dust image.Transfer device 150 is transferred to the carbon dust image on the photosensitive drums 230 on the paper P and image recording is got off.After the transfer printing, the paper P that has image is transported to fixing device 160, on paper P, forms firm carbon dust image through fixing device 160.The last paper P of photographic fixing image is discharged from device 170 and is expelled on the discharge dish 190.
Said apparatus and principle of work thereof all are that those of ordinary skill in the art knows, and therefore for the purpose of practicing thrift length, it are not described more specifically at this.
Be example with the transfer device in the image forming apparatus 100 150 below, describe the clamping apparatus of the utility model in detail.
As shown in Figure 4, transfer device 150 comprises: transfer roll 151, bearing 152, bearings parts 153 and spring 154.Its centre bearer 152, bearings parts 153 and spring 154 constitute the clamping apparatus of the utility model.Be provided with transfer printing roll shaft (not shown) at the center of transfer roll 151, so that transfer roll 151 rotatably is installed on the bearing 152.
Shown the details of bearing 152 like Fig. 5 A in detail to 5C, Fig. 6 has shown the details of bearings parts 153.Bearing 152 and bearings parts 153 are described in detail to 5C and Fig. 6 according to Fig. 5 A below.
Be furnished with two connection-peg 152a between the claw 153a gap that is used to be inserted into bearings parts 153 on first end face of bearing 152.On second end face, be furnished with transfer printing axle mounting hole 152c, on two sides of bearing 152, be furnished with the guiding groove 152b that bar 153b engages that slips into bearings parts 153 respectively, guiding groove 152b is made up of two parallel guide rails.
According to the utility model, at the baffle plate 152d that has arranged also on first end face of bearing 152 that the claw 153a that is used to prevent bearings parts 153 and the clamping between the connection-peg 152a are thrown off.In one embodiment, baffle plate 152d is extended to form by the guide rail near first end face.At Fig. 5 A in the embodiment shown in the 5C, near the guide rail of first end face earlier first end face the plane in stretch out, extend towards the direction of connection-peg 152a perpendicular to first end face again.That is to say that baffle plate 152d comprises first extension that is parallel to bearing first end face and perpendicular to second extension of bearing first end face, thereby forms a roughly structure of " L " shape.Can make the simple shapeization of bearing 152 thus, make things convenient for bearing 152 through one-shot forming like technology such as castings.Baffle plate 152d is arranged to certain interval is arranged from connection-peg 152a, with the claw 153a that conveniently makes bearings parts 153 through and be connected together with the step part 152a ' of connection-peg 152a.
In one embodiment, the lateral surface of connection-peg 152a is the inclined-plane, i.e. two of connection-peg 152a bottom surface 152a ' and 152a " the area size is unequal, and the step part 152a ' that wherein engages with claw 153a is the bigger bottom surface of area, shown in Fig. 5 A.The connection-peg 152a of this inclined-plane form makes and bearing 152 to be engaged more convenient with insertion between the bearings parts 153 that the while, larger area step part 152a ' improved the stability that engages with claw 153a.
In one embodiment, on bearing 152 bottom surfaces, between connection-peg 152a, be furnished with the joint chair 152e of flexible member 154.In a preferred embodiment, the joint chair 152e of this flexible member 154 is that " ten " font is protruding, and flexible member 154 for example is a spring.Flexible member 154 makes and is Elastic Contact between transfer roll 151 and the photosensitive drums 230, extra protection is provided also for bearings parts 153.For example, when this figure forming device 100 receives bigger impact, the motion that this elastomeric element 154 can buffering bearings 152, thus the impulsive force on the bearings parts 153 of effect is reduced greatly.
Fig. 6 is the structural representation according to the bearings parts 153 of the utility model.It comprises a pair of claw 153a and a pair of bar 153b that slips into.At the embodiment that clamping apparatus is used for transfer roll 151, claw 153a with slip into bar 153b and tilt, be i.e. the downstream inclination certain angle of direction shown in the arrow in Fig. 6 and being provided with towards the downstream of paper feed direction.
In assembling process, guiding groove 152b is cooperated with the bar 153b that slips on the support component 153, and under the guiding of guiding groove 152b, be in place.In this process; Two connection-peg 152a of bearing 152 can be inserted into the interstitial site between two claw 153a of bearings parts 153; And claw 153a is connected on the step part 152a ' of connection-peg 152a, thereby claw 153a can make bearing 152 stably be installed together with bearings parts 153 in the gap between connection-peg 152a and the baffle plate 152d like this.One end of spring 154 is connected with the joint chair 152e of bearing 152 bottoms, and an end is connected with bearings parts 153, makes transfer roll 151 and photosensitive drums 230 Elastic Contact.
In the transportation or handling process of image forming apparatus 100, if violent vibrations or collision take place, transfer roll 151 can drive bearing 152 and exert pressure for claw 153a, makes bearing 152 that the trend that breaks away from claw 153a arranged.Under the effect of transfer roll 151 proper masses, claw 153a can be to making a concession away from the direction of pedestal exponent part 152a ', promptly towards two baffle plate 152d of bearing 152 near.But when claw 153a contacts with baffle plate 152d; Baffle plate 152d has stoped the further yielding of claw 153a; Claw 153a is connected together with the step part 152a ' of bearing 152 all the time, so bearing 152 can not spin off from bearings parts 153.
In addition; Claw 153a with slip into bar 153b and tilt towards the downstream of paper feed direction; Therefore when being installed to handle box 200 in the image forming apparatus 100; Photosensitive drums 230 can be pushed transfer roll 151, makes transfer roll 151 move certain distance along the bar 153b that slips into that tilts towards the upstream side of paper feed direction.When paper P gets into the transfer area between photosensitive drums 230 and the transfer roll 151, can guarantee that paper P at first contacts with transfer roll 151 like this, and then get into transfer area, avoid paper P to contact with photosensitive drums 230 earlier, and scratch the surface of photosensitive drums 230.
What those having ordinary skill in the art will appreciate that is; The related clamping apparatus of the utility model is not limited in above-mentioned transfer device 150, and other parts that can also be used to comprise image forming apparatus 100 are developer roll, charging roller, carrying roller, corrector roll, distributing roller etc. for example.
Though the utility model is described, under the situation of the scope that does not break away from the utility model, can carries out various improvement and can replace parts wherein to it with equivalent with reference to preferred embodiment.The utility model is not limited to disclosed specific embodiment in the literary composition, but comprises all technical schemes in the scope that falls into claim.
Claims (10)
1. clamping apparatus comprises:
Bearing is furnished with a pair of connection-peg on first end face of bearing, on two sides of bearing, be furnished with guiding groove respectively;
The bearings parts, it comprises the claw that engages with said connection-peg and guiding groove respectively and slips into bar,
It is characterized in that said bearing is provided with baffle plate, said claw is between said baffle plate and said connection-peg.
2. clamping apparatus according to claim 1 is characterized in that, said guiding groove is made up of two parallel guide rails, and said baffle plate is formed by the extension near the guide rail of said first end face.
3. clamping apparatus according to claim 2 is characterized in that, said extension comprises first extension that is parallel to bearing first end face and perpendicular to second extension of bearing first end face, thereby forms " L " shape structure.
4. clamping apparatus according to claim 3 is characterized in that, said second extension and claw are spaced apart.
5. according to each described clamping apparatus in the claim 1 to 4, it is characterized in that the lateral surface of said connection-peg is the inclined-plane, thereby form two bottom surfaces that area is different, the bottom surface that wherein area is bigger engages with claw.
6. according to the clamping apparatus described in the claim 5, it is characterized in that, also comprise the flexible member joint chair of arranging on the bearing bottom between connection-peg.
7. clamping apparatus according to claim 6 is characterized in that, said flexible member joint chair is that " ten " font is protruding.
8. an image forming apparatus is characterized in that, said image forming apparatus comprises according to each described clamping apparatus in the aforesaid right requirement.
9. image forming apparatus according to claim 8 is characterized in that said image forming apparatus comprises the transfer roll that uses said clamping apparatus, and said claw with slip into bar and tilt towards the downstream of paper feed direction.
10. image forming apparatus according to claim 8 is characterized in that, said image forming apparatus is a kind of in printer, duplicating machine, facsimile recorder and the all-in-one multifunctional machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120491582XU CN202372746U (en) | 2011-11-30 | 2011-11-30 | Clamping device and image forming equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120491582XU CN202372746U (en) | 2011-11-30 | 2011-11-30 | Clamping device and image forming equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202372746U true CN202372746U (en) | 2012-08-08 |
Family
ID=46596443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120491582XU Expired - Lifetime CN202372746U (en) | 2011-11-30 | 2011-11-30 | Clamping device and image forming equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202372746U (en) |
-
2011
- 2011-11-30 CN CN201120491582XU patent/CN202372746U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190429 Address after: 519060 Central District A, Building 3, 01, 3883 Zhuhai Avenue, Zhuhai City, Guangdong Province Patentee after: ZHUHAI PANTUM ELECTRONICS Co.,Ltd. Address before: 519075 No. 63 Mingzhu North Road, Xiangzhou District, Zhuhai City, Guangdong Province Patentee before: Zhuhai Saine Printing Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120808 |
|
| CX01 | Expiry of patent term |