CN212422580U

CN212422580U - Quick assembly structure of printer shell

Info

Publication number: CN212422580U
Application number: CN202020378268.XU
Authority: CN
Inventors: 不公告发明人
Original assignee: Xiamen Hanyin Electronic Technology Co Ltd
Current assignee: Xiamen Hanyin Electronic Technology Co Ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2021-01-29
Anticipated expiration: 2030-03-23

Abstract

The utility model discloses a quick assembly structure of printing casing, casing include first casing and second casing, its characterized in that: the first casing is equipped with the rocking arm, the rocking arm is equipped with the pivot, the second casing is equipped with the groove of stepping down, the groove of stepping down has the opening and is equipped with the axle sleeve in it, the axle sleeve is equipped with ability and pivot looks normal running fit's shaft hole, the rocking arm stretches into from the groove opening part of stepping down and steps down the inslot and through the self elastic deformation of rocking arm in order to go into the shaft hole with the pivot card. The assembly structure is convenient and quick to assemble, is suitable for the machine shell of any size, requires a small installation space, and is particularly suitable for the machine shell of a small size.

Description

Quick assembly structure of printer shell

Technical Field

The utility model relates to a print quick-assembly structure of casing, especially two casings are quick-assembly structure of normal running fit relation.

Background

For a printer with two shells in a rotating fit relationship, it is common practice to provide rotating arms on the left and right sides of one of the shells, where the rotating arms are provided with a first shaft hole and a corresponding second shaft hole, and the other shell is provided with a yielding groove for the rotating arms to rotate, and a second shaft hole is formed in a wall of the yielding groove, and the first shaft hole and the second shaft hole are connected in series through a central shaft, and both ends of the central shaft are limited through a limiting structure to prevent the central shaft from being pulled out.

The assembly mode of the two shells is not only complicated in assembly, but also only suitable for products with larger shell sizes; for a product with a relatively small casing, there may not be enough space for installing the central shaft, or the central shaft may be barely inserted through the first shaft hole and the second shaft hole, and the limiting structure may not have enough space for installation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a quick assembly structure of printing casing, it has overcome the not enough that the background art exists. The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a print quick assembly structure of casing, the casing includes first casing and second casing, first casing is equipped with the rocking arm, the rocking arm is equipped with the pivot, the second casing is equipped with the groove of stepping down, the groove of stepping down has opening and is equipped with the axle sleeve in it, the axle sleeve is equipped with can with pivot looks normal running fit's shaft hole, the rocking arm stretches into from the groove opening part of stepping down and steps down the inslot and just through the self elastic deformation of rocking arm in order to go into the shaft hole with the pivot card.

In a preferred embodiment: the rotating arm and the abdicating groove are in small clearance fit.

In a preferred embodiment: the tumbler is equipped with and is used for guaranteeing that the tumbler can carry out the sunken of stepping down of warping.

In a preferred embodiment: the rotating shaft and the abdicating recess are respectively positioned at two sides of the rotating arm.

In a preferred embodiment: the abdicating groove is also internally provided with a first guide rib, one end of the first guide rib is connected with the outer wall of the shaft sleeve, and the other end of the first guide rib extends towards the opening direction of the abdicating groove.

In a preferred embodiment: the number of the first guide ribs is two, the first guide ribs are arranged oppositely, and a guide channel is formed between the two first guide ribs.

In a preferred embodiment: the abdicating groove is also internally provided with a second guide rib which is positioned in the guide channel, one end of the second guide rib is connected with the outer wall of the shaft sleeve, the other end of the second guide rib extends towards the entrance of the guide channel, and the outer side surface of the second guide rib is a guide surface for guiding the rotating shaft.

In a preferred embodiment: the length of the abdicating recess is larger than or equal to the stroke of the rotating shaft from the second guide rib to the shaft hole.

In a preferred embodiment: the second guide rib is wedge-shaped.

In a preferred embodiment: the rotating arm is also provided with a shifting part which is convenient for a finger to shift.

Compared with the background technology, the technical scheme has the following advantages:

1. the assembling steps of the assembling structure are as follows: the rotating arm corresponds to the abdicating groove, then the rotating arm extends into the abdicating groove from the opening of the abdicating groove, and the first shell is continuously pushed to clamp the rotating shaft into the shaft hole through the self elastic deformation of the rotating arm. The assembly structure is convenient and quick to assemble, is suitable for the machine shell of any size, requires a small installation space, and is particularly suitable for the machine shell of a small size.

2. The rotating arm and the abdicating groove are in small clearance fit, so that the clearance between the rotating arm and the abdicating groove is small, and the appearance is more attractive.

3. Because the clearance between rocking arm and the groove of stepping down is very little, the rocking arm is equipped with the recess of stepping down for the rocking arm has sufficient space to carry out the deformation, guarantees going on smoothly of rocking arm deformation.

4. The abdicating groove is also internally provided with a second guide rib, and the rotating shaft can slide along the outer side surface of the second guide rib to guide after entering the guide channel so as to smoothly clamp the rotating shaft into the shaft sleeve shaft hole.

5. The length of the abdicating recess is larger than or equal to the stroke of the rotating shaft from the top end of the second guide rib to the shaft hole, so that the rotating shaft can be smoothly clamped into the shaft hole from the second guide rib.

6. The rocking arm still is equipped with the portion of stirring to make things convenient for the staff to stir the portion of stirring from the bottom in order to deviate from the pivot downthehole from the axle, accelerate the dismantlement of first casing and second casing.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view illustrating a state in which the first housing and the second housing are completely assembled.

Fig. 2 is a schematic view showing a state where the pivot arm is aligned with the relief groove.

Fig. 3 shows a schematic structural view of the tumbler.

Fig. 4 is a view showing an internal structure of the concession groove.

Fig. 5 shows a longitudinal sectional view of fig. 1.

Fig. 6 shows a partial enlarged view of fig. 5.

Detailed Description

Referring to fig. 1 to 6, a preferred embodiment of a quick-assembly structure of a printer housing includes a first housing 10 and a second housing 20, in which the first housing 10 and the second housing 20 may be an upper housing and a lower housing, or a left housing and a right housing, respectively, and the rotation direction is not limited thereto. In the present embodiment, the first casing 10 and the second casing 20 represent an upper casing and a lower casing, respectively.

First casing 10 is equipped with rocking arm 11, rocking arm 11 is equipped with pivot 12, second casing 20 is equipped with the groove of stepping down 21, the groove of stepping down 21 has opening 211 and is equipped with axle sleeve 22 in it, axle sleeve 22 is equipped with can with pivot 12 looks normal running fit's shaft hole 23, rocking arm 11 stretches into from the groove opening 211 of stepping down and steps down in the groove 21 and through rocking arm 11 self elastic deformation in order to go into shaft hole 23 with pivot 12 card. As shown in fig. 2, the rotation arms 11 are located on the lower end surface of the first housing 10, and are provided with two and spaced left and right, and correspondingly, the two abdicating slots 21 are also provided and correspond to the rotation arms 11 one to one. The rotation arm 11 and the abdicating groove 21 may be respectively provided with one, three or four different parts, if necessary, but not limited thereto. The rotating shaft 12 is located on the inner side surface of the rotating arm 11, and the receding groove opening 211 is located on the top end surface of the second shell 20; the rotation shaft 12 may be disposed on an outer side surface of the rotation arm 11, and the receding groove opening 211 may be disposed on a side surface of the second housing 20, but not limited thereto.

In this embodiment, the rotating arm 11 and the abdicating groove 21 are in clearance fit, so that the clearance between the rotating arm 11 and the abdicating groove 21 is small, and the appearance is more beautiful.

In this embodiment, the swivel arm 11 is provided with a relief recess 13 for ensuring that the swivel arm 11 can be deformed. Since the clearance between the rotating arm 11 and the abdicating groove 21 is small, the rotating arm 11 is provided with the abdicating recess 13, so that the rotating arm 11 has enough space to perform elastic deformation, and the smooth performance of the elastic deformation of the rotating arm 11 is ensured. As shown in FIG. 6, the width W1 of the relief groove 21 is slightly larger than the thickness W2 of the pivot arm 11 so that the pivot arm 11 can be inserted into the relief groove 21.

In this embodiment, the rotating shaft 12 and the abdicating recess 13 are respectively located at two sides of the rotating arm 11. As shown in fig. 2, the relief recess 13 is located on the outer side surface of the pivot arm 11.

In this embodiment, the depth W3 of the offset recess 13 depends on the space required for the elastic deformation of the rotating arm 11, and is determined by actual requirements, such as: when the length of the rotating shaft 12 is longer, the space required for the elastic deformation of the rotating arm 11 needs to be larger, and at this time, the depth W3 of the offset recess 13 needs to be larger.

In this embodiment, the depth L1 of the shaft 12 being inserted into the shaft hole 23 is greater than or equal to 3 mm, so that the shaft 12 is not easily pulled out from the shaft hole 23.

In this embodiment, still be equipped with first direction muscle 24 in the groove of stepping down 21, first direction muscle 24 one end links to each other with axle sleeve 22 outer wall, and the other end extends to the groove of stepping down opening 211 direction.

In this embodiment, as shown in fig. 4, two first guide ribs 24 are provided and are oppositely arranged, and a guide channel 25 is formed between the two first guide ribs 24.

In this embodiment, the inlet of the guiding channel 25 is in a shape of a throat, so as to ensure that the rotating shaft 12 can smoothly enter the guiding channel 25, thereby achieving a good guiding effect.

In this embodiment, a second guiding rib 26 is further disposed in the abdicating groove 21, the second guiding rib 26 is located in the guiding channel 25, one end of the second guiding rib 26 is connected with the outer wall of the shaft sleeve 22, the other end of the second guiding rib extends towards the entrance of the guiding channel 25, and the outer side surface of the second guiding rib 26 is a guiding surface for guiding the rotating shaft 12. And, the length of the abdicating recess 13 is greater than or equal to the stroke of the rotating shaft 12 from the top end of the wedge-shaped guide surface of the second guide rib 26 to the shaft hole 23, so as to ensure that the rotating shaft 12 can be smoothly clamped into the shaft hole 23 from the second guide rib 26.

In this embodiment, the second guiding rib 26 has a wedge shape. Specifically, as shown in fig. 4, the outer side of the second guiding rib 26 is obliquely arranged, one end of the outer side extends to the outer wall of the shaft sleeve 22, the other end of the outer side is connected with the bottom wall of the guiding channel 25, and two sides of the second guiding rib 26 are triangular to enclose the second guiding rib 26 into a wedge shape. Preferably, the second guide rib 26 is located at the center of the guide passage 25.

In this embodiment, the rotating arm 11 is further provided with a toggle part 14 for facilitating the toggling of fingers. As shown in fig. 2, the toggle part 14 is located below the rotating arm 11, and when the first housing 10 needs to be detached, the toggle part 14 is manually pulled outward from the opening below the abdicating slot 21 and the first housing 10 is pulled upward to separate the first housing 10 from the second housing 20, which is convenient for detachment.

In this embodiment, the rotating arm 11 is further provided with a reinforcing rib 15 for increasing the strength of the rotating arm 11, so as to increase the service life of the rotating arm 11.

The assembling steps of the assembling structure are as follows: the rotating arm 11 corresponds to the abdicating groove 21, and then the rotating arm 11 extends into the abdicating groove 21 from the abdicating groove opening 211, at this time, the rotating shaft 12 is just located in the guiding channel 25, the first shell 10 is continuously pushed downwards to make the rotating shaft 12 move downwards along the wedge-shaped guiding surface of the second guiding rib 26, the rotating arm 11 of the first shell 10 generates elastic deformation, so that the rotating shaft 12 moves outwards along the central axial direction of the shaft hole 23 and then is clamped into the shaft hole 23. The assembly structure is convenient and quick to assemble, is suitable for the machine shell of any size, requires a small installation space, and is particularly suitable for the machine shell of a small size.

The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.

Claims

1. The utility model provides a quick-assembly structure of printing casing, the casing includes first casing and second casing, its characterized in that: the first casing is equipped with the rocking arm, the rocking arm is equipped with the pivot, the second casing is equipped with the groove of stepping down, the groove of stepping down has the opening and is equipped with the axle sleeve in it, the axle sleeve is equipped with ability and pivot looks normal running fit's shaft hole, the rocking arm stretches into from the groove opening part of stepping down and steps down the inslot and through the self elastic deformation of rocking arm in order to go into the shaft hole with the pivot card.

2. A quick-fit arrangement for a printer housing as claimed in claim 1, wherein: the rotating arm and the abdicating groove are in small clearance fit.

3. A quick-fit structure for a printer housing as claimed in claim 2, wherein: the tumbler is equipped with and is used for guaranteeing that the tumbler can carry out the sunken of stepping down of warping.

4. A quick-fit arrangement for a printer housing as claimed in claim 3, wherein: the rotating shaft and the abdicating recess are respectively positioned at two sides of the rotating arm.

5. A quick-fit arrangement for a printer housing as claimed in claim 3, wherein: the abdicating groove is also internally provided with a first guide rib, one end of the first guide rib is connected with the outer wall of the shaft sleeve, and the other end of the first guide rib extends towards the opening direction of the abdicating groove.

6. A quick-fit arrangement for a printer housing as claimed in claim 5, wherein: the number of the first guide ribs is two, the first guide ribs are arranged oppositely, and a guide channel is formed between the two first guide ribs.

7. A quick-fit arrangement for a printer housing as claimed in claim 6, wherein: the abdicating groove is also internally provided with a second guide rib which is positioned in the guide channel, one end of the second guide rib is connected with the outer wall of the shaft sleeve, the other end of the second guide rib extends towards the entrance of the guide channel, and the outer side surface of the second guide rib is a guide surface for guiding the rotating shaft.

8. A quick-fit arrangement for a printer housing as claimed in claim 7, wherein: the length of the abdicating recess is larger than or equal to the stroke of the rotating shaft from the second guide rib to the shaft hole.

9. A quick-fit arrangement for a printer housing as claimed in claim 7, wherein: the second guide rib is wedge-shaped.

10. A quick-fit arrangement for a printer housing as claimed in claim 1, wherein: the rotating arm is also provided with a shifting part which is convenient for a finger to shift.