CN203939940U - Transmission Belt Tension Adjustment Mechanism and Its Applicable Scanner - Google Patents

Abstract

The utility model relates to a drive belt tension guiding mechanism and scanner that is suitable for thereof specifically propose a drive belt tension guiding mechanism, are applicable to the scanner, and the scanner includes base and drive belt, and drive belt tension guiding mechanism includes: pulley seat and set up the belt pulley on the pulley seat, the pulley seat includes: the scanner comprises a body, an elastic arm connected with the body and a buckling part arranged at the tail end of the elastic arm, wherein a transmission belt of the scanner is wound on a belt pulley and is arranged through the buckling of a connecting part of the buckling part and a base, so that the belt pulley seat and the belt pulley are maintained to be arranged at an assembling position through elastic restoring force provided by the elastic arm, and the tension of the transmission belt is adjusted.

Description

Transmission Belt Tension Adjustment Mechanism and Its Applicable Scanner

technical field

The utility model relates to a transmission belt tension adjustment mechanism and its applicable scanner, in particular to a transmission belt tension adjustment mechanism with simple structure and integrally formed and its applicable scanner. the

Background technique

With the rapid advancement of electronic technology, all office work in today's offices is closely related to business machines such as copiers, fax machines, printers, and scanners. Therefore, these office machines have become indispensable information equipment in the office. However, during the scanning process, in order to avoid distortion or distortion of the data input into the scanner, the transmission stability of the scanner's transmission mechanism plays an important role. Use the transmission belt to drive the scanning unit to do linear translation in the scanning direction, so that the optical sensor on the scanning unit can gradually receive the image on the surface of the document, and convert the image into a digital signal output to complete the scanning function. Therefore, the use of tension transmission The tension of the belt is extremely important to maintain the stability of the drive belt during transmission. the

Please refer to FIG. 1 , which is a schematic diagram of a transmission belt tension adjustment mechanism inside a conventional scanner. As shown in the figure, the existing scanner 1 is composed of a base 10 , a transmission belt 11 , a pulley seat 12 , a pulley 13 , a spring 14 , and a shaft seat 15 and other transmission belt tension adjustment mechanisms. Wherein the transmission belt tension adjustment mechanism is mainly set on the shaft seat 15 by the spring 14, and one end of the shaft seat 15 is engaged with the concave connection portion 100 of the base 10, and the other end is connected with the pulley seat 12. Thereby, the pulley seat 12 is set at a standing position by the elastic restoring force of the spring 14 . Now, because the transmission belt 11 is wound on the pulley 13, so when the pulley seat 12 is arranged at the assembly position, the pulley 13 which is arranged on the pulley seat 12 can also be maintained at the assembly position, and can This is to pull the transmission belt 13, and then to achieve the effect of making the transmission belt 13 tight. the

However, although the existing drive belt tension adjustment mechanism can achieve the effect of making the drive belt 13 taut, there are many parts and components, which need to be assembled with each other by components such as spring 14 and shaft seat 15, so that the pulley seat 12 can be arranged on the Therefore, it not only has the disadvantage of complicated assembly procedures, but also has the problem of high production cost due to the large number of components. the

In view of this, how to develop a kind of simple in structure, with low cost, and be suitable for the driving belt tension adjustment mechanism of scanner and the scanner that is applicable to, to solve the various deficiency and inconvenience that prior art encounters, it is really necessary current issues to be resolved. the

Utility model content

The purpose of this utility model is to provide a transmission belt tension adjustment mechanism and its applicable scanner, through its integrally formed pulley seat, so as to make its structure simple, reduce components and simplify the assembly process, and then solve the problem of the existing transmission belt The tension adjustment mechanism has many components, complicated assembly and high production cost. the

In order to achieve the above purpose, a wider implementation of the utility model is to provide a transmission belt tension adjustment mechanism, which is suitable for scanners. The scanner includes a base and a transmission belt. The transmission belt tension adjustment mechanism includes: a pulley seat, including: The main body; the elastic arm is connected with the main body; the buckle part is arranged at the end of the elastic arm; and the pulley is arranged on the body of the pulley seat; wherein, the driving belt of the scanner is wound on the pulley and passed through the buckle part The engaging arrangement with the connection portion of the base enables the pulley seat and the pulley to be maintained at the assembly position through the elastic restoring force provided by the elastic arm, so as to adjust the tension of the transmission belt. the

Preferably, the body, the elastic arm and the buckle part of the pulley seat are integrally formed. the

Preferably, the pulley base further includes an auxiliary arm connected to the elastic arm and the body for increasing the supporting force. the

Preferably, the buckle portion is a convex structure, and the connecting portion of the base is a concave structure, so that they correspond to each other and are engaged with each other. the

Preferably, the body of the pulley base further includes a first abutting portion for abutting against a second abutting portion of a side wall of the scanner. the

In order to achieve the above purpose, another broad implementation aspect of the present invention is to provide a scanner, which at least includes: a base; a transmission belt, which is driven by a motor to rotate; and a transmission belt tension adjustment mechanism, which is arranged on the base, including : a pulley seat, including: a body; an elastic arm, connected to the body; and a buckle portion, arranged at the end of the elastic arm; and a pulley, arranged on the body of the pulley seat; wherein, the transmission belt is wound on the transmission belt tension adjustment mechanism The belt pulley is installed on the pulley, and the buckle part is engaged with the connecting part of the base, so that the elastic restoring force provided by the elastic arm keeps the pulley seat and the pulley in the assembled position, so as to adjust the tension of the transmission belt. the

Preferably, the body, the elastic arm and the buckle part of the pulley seat are integrally formed. the

Preferably, the pulley base further includes an auxiliary arm connected to the elastic arm and the body for increasing the supporting force. the

Preferably, the buckle portion is a convex structure, and the connecting portion of the base is a concave structure, so that they correspond to each other and are engaged with each other. the

Preferably, the body of the pulley base further includes a first abutting portion for abutting against a second abutting portion of a side wall of the scanner. the

Description of drawings

FIG. 1 is a schematic diagram of a transmission belt tension adjustment mechanism inside a conventional scanner. the

Fig. 2 is a schematic diagram of a transmission belt tension adjustment mechanism in a preferred embodiment of the present invention. the

FIG. 3 is a schematic diagram of a partial structure of a scanner in a preferred embodiment of the present invention. the

Among them, the reference signs are explained as follows:

1: Scanner

10: base

100: Recessed connection part

11: Drive belt

12: pulley seat

13: Pulley

14: Spring

15: shaft seat

2: Transmission belt tension adjustment mechanism

20: Pulley

21: pulley seat

210: elastic arm

211: buckle department

212: Auxiliary arm

213: Ontology

22: First Arrival at the Top

3: Scanner

30: base

300: connection part

301: Bottom shell

31: Pulley

32: Drive belt

33: side wall

330: The second reaches the top

Detailed ways

Some typical embodiments embodying the features and advantages of the utility model will be described in detail in the description of the following paragraphs. It should be understood that the utility model can have various changes in different aspects, but none of them departs from the scope of the utility model, and the descriptions and drawings therein are used for illustration in nature, not for In order to limit the utility model. the

FIG. 2 is a schematic diagram of a transmission belt tension adjustment mechanism in a preferred embodiment of the present invention, and FIG. 3 is a schematic diagram of a partial structure of a scanner in a preferred embodiment of the present invention. As shown in Fig. 2 and Fig. 3, the transmission belt tension adjustment mechanism 2 of the present utility model is mainly applicable to the scanner 3, and the scanner 3 includes structures such as a base 30 and a transmission belt 32, and the transmission belt tension adjustment mechanism 2 is mainly composed of The pulley seat 21 and the pulley 20 are formed, wherein the pulley seat 21 includes a body 213, an elastic arm 210 connected to the body 213 and a buckle portion 211 arranged at the end of the elastic arm 210, and the pulley 20 is arranged on the body 213 of the pulley seat 21 . In this embodiment, the transmission belt 32 of the scanner 3 is wound on the pulley 20, and through the engagement between the buckle part 211 of the transmission belt tension adjustment mechanism 2 and the connection part 300 of the base 30, it can be passed The elastic restoring force provided by the elastic arm 210 maintains the pulley seat 21 and the pulley 20 at a standing position, so as to adjust the tension of the transmission belt 32 . the

Please continue to refer to FIG. 2, as shown in the figure, the elastic arm 210 of the pulley seat 21 is arranged above the body 213, and the buckle part 211 is a structure extending upward from the elastic arm 210, that is, it is arranged at the end of the elastic arm 210. , in some embodiments, the buckle part 211 is a convex structure, but not limited thereto, and the connecting part 300 of the base 30 corresponding to the buckle part 211 can be but not limited to a concave structure, so The buckling part 211 and the connecting part 300 corresponding to each other can be arranged in correspondence with each other. Of course, the types of the buckling part 211 and the connecting part 300 are not limited to this, and they can be implemented according to actual conditions. The situation is subject to change. the

In this embodiment, the pulley seat 21 can be an integrally formed structure, that is, the body 213, the elastic arm 210 and the buckle portion 211 can be but not limited to an integrally formed structure, and the pulley seat 21 can also be made of slightly elastic plastic materials, but not limited thereto. In addition, in some other embodiments, the pulley seat 21 may further include an auxiliary arm 212, and the auxiliary arm 212 is connected to the elastic arm 210 and the body 213 to increase the supporting force and the elastic restoring force. In this way, When the buckle portion 211 of the pulley seat 21 is engaged with the connecting portion 300 of the base 30, the elastic arm 210 and the auxiliary arm 212 will be deformed accordingly due to the stress generated by the engaged arrangement, so that the The pulley base 21 and the pulley 20 disposed on the pulley base 21 can be maintained at the assembled position, so as to tighten the transmission belt 32 . the

In some other embodiments, as shown in FIG. 2 , the body 213 of the pulley seat 21 further includes a first abutting portion 22, and the first abutting portion 22 may be but not limited to a bump structure, and protrudes from the The edge of the body 213 is used to abut against the second abutting portion 330 of the side wall 33 of the scanner 3, and in this embodiment, the second abutting portion 330 may be but not limited to a bump structure, so when the first abutment portion 22 of the pulley seat 21 and the second abutment portion 330 of the side wall 33 are engaged with each other, the pulley seat 21 can be more firmly arranged on the set. standing position. the

Please refer to Fig. 3, as shown in the figure, the transmission belt tension adjustment mechanism 2 of the present invention is arranged on the base 30 of the scanner 3, and the base 30 is arranged on one side of the bottom shell 301 and on the other opposite side, Then there is another pulley 31 , and the pulley 31 can be but not limited to be fixedly arranged on the bottom shell 301 . In this embodiment, one side of the transmission belt 32 is sleeved on the pulley 31, and the other side is sleeved on the pulley 20 of the transmission belt tension adjustment mechanism 2, and the transmission belt 32 is driven by a motor (not shown). ) is driven to rotate. Taking the present embodiment as an example, when the drive belt 32 is to be disassembled, the buckle portion 211 of the pulley seat 21 of the drive belt tension adjustment mechanism 2 and the connecting portion 300 of the base 30 can be released from each other, and then the Pulley seat 21 is unloaded, and drive belt 32 is separated from the pulley 20 that is arranged on pulley seat 21 simultaneously; It is only necessary to sleeve the transmission belt 32 on the pulley 20, and set the buckle part 211 of the pulley seat 21 correspondingly at the connection part 300 of the base 30, and at the same time make the first abutting part 22 abut against the first abutting part of the side wall 33. The second is on the top 330, so that the pulley seat 21 can be easily arranged at the assembly position, and the transmission belt 32 can be tightened, so that the tension of the transmission belt 32 can be adjusted. the

To sum up, the transmission belt tension adjustment mechanism of the present invention utilizes the structure of an integrally formed pulley seat, and is assembled with the connecting portion of the base by the buckle portion, and then the elastic arm and the auxiliary arm Deformation can be caused by combination, which can generate elastic restoring force, so that the pulley seat can be maintained in the assembled position, and then the pulley set on the pulley seat can tighten the transmission belt. In this way, compared with the existing Compared with the prior art transmission belt tension adjustment mechanism, the belt tension adjustment mechanism of the utility model can reduce many parts and components, and at the same time, its assembly procedure is simpler, so it can effectively reduce the material cost of manufacturing and the time cost of the manufacturing process. the

The utility model can be modified in various ways by the people who are familiar with this technology, but all do not break away from the desired protection of the scope of the appended patent application. the

Claims (10)

1.Yi Zhong driving belt tension regulating mechanism, is applicable to one scan instrument, and this scanner comprises a base and a drivign belt, it is characterized in that, this driving belt tension regulating mechanism comprises:

One belt pulley seat, comprising:

One body;

One elastic arm, is connected with this body; And

One clamping part, is arranged at an end of this elastic arm; And

One belt pulley, is arranged on this body of this belt pulley seat;

Wherein, this drivign belt of this scanner is set around on this belt pulley, and arrange with the engaging of a junction of this base by this clamping part, make the elastic restoring force providing by this elastic arm be arranged at one group of vertical position so that this belt pulley seat and this belt pulley maintain, use the tension force of adjusting this drivign belt.

2. driving belt tension regulating as claimed in claim 1 mechanism, is characterized in that the structure that this body of this belt pulley seat, this elastic arm and this clamping part are formed in one.

3. driving belt tension regulating as claimed in claim 1 mechanism, is characterized in that, this belt pulley seat more comprises a sub-arm, is connected in this elastic arm and this body, in order to increase support force.

4. driving belt tension regulating as claimed in claim 1 mechanism, is characterized in that, this clamping part is a protuberance structure, and this joint of this base is a recess structure, and corresponding and engaging is mutually arranged.

5. driving belt tension regulating as claimed in claim 1 mechanism, is characterized in that, this body of this belt pulley seat more comprises one first clamping part, in order to one second clamping part of the sidewall with this scanner, mutually supports location.

6. a scanner, is characterized in that, at least comprises:

One base;

One drivign belt, is driven by a motor and rotates; And

One driving belt tension regulating mechanism, is arranged on this base, comprising:

One belt pulley seat, comprising:

One body;

One elastic arm, is connected with this body; And

One clamping part, is arranged at an end of this elastic arm; And

One belt pulley, is arranged on this body of this belt pulley seat;

Wherein, this drivign belt is set around on this belt pulley of this driving belt tension regulating mechanism, and arrange with the engaging of a junction of this base by this clamping part, make the elastic restoring force providing by this elastic arm be arranged at one group of vertical position so that this belt pulley seat and this belt pulley maintain, use the tension force of adjusting this drivign belt.

7. scanner as claimed in claim 6, is characterized in that, the structure that this body of this belt pulley seat, this elastic arm and this clamping part are formed in one.

8. scanner as claimed in claim 6, is characterized in that, this belt pulley seat more comprises a sub-arm, is connected in this elastic arm and this body, in order to increase support force.

9. scanner as claimed in claim 6, is characterized in that, this clamping part is a protuberance structure, and this joint of this base is a recess structure, and corresponding and engaging is mutually arranged.

10. scanner as claimed in claim 6, is characterized in that, this body of this belt pulley seat more comprises one first clamping part, in order to one second clamping part of the sidewall with this scanner, mutually supports location.