CN210617605U - Liquid supply unit and printer - Google Patents
Liquid supply unit and printer Download PDFInfo
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- CN210617605U CN210617605U CN201921098542.1U CN201921098542U CN210617605U CN 210617605 U CN210617605 U CN 210617605U CN 201921098542 U CN201921098542 U CN 201921098542U CN 210617605 U CN210617605 U CN 210617605U
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- supply unit
- liquid supply
- electrode
- elastic
- printer body
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Abstract
The utility model provides a liquid supply unit and a printer, wherein, the liquid supply unit comprises a shell, an elastic bulge is arranged on the outer wall of the shell, and the elastic bulge is used for being clamped in a concave part on the side wall of a mounting groove; the tail end of the elastic bulge part is provided with a conductive part which is used for being in contact with a first electrode and a second electrode on the printer body; during the installation, be equipped with the relative lopsidedness of elasticity bulge with liquid supply unit earlier and place in the mounting groove, press in the mounting groove with one side that liquid supply unit was equipped with the elasticity bulge again, when the elasticity bulge was inserted and is established the depressed part, the conductive part contacts with first electrode and second electrode, first electrode and second electrode are switched on, the printer body detects liquid supply unit, and the second ink supply system intercommunication on first ink supply system on the liquid supply unit and the printer body, the printer during operation, the air can not enter into in the second ink supply system, the printer body damage has been avoided.
Description
Technical Field
The utility model relates to a print the imaging technology field, especially relate to a liquid supply unit and printer.
Background
With the development of printing technology, printers have been widely used for printing books, newspapers, and the like. The printer comprises a printer body and a liquid supply unit, wherein the liquid supply unit is detachably connected with the printer body so as to replace a new liquid supply unit after ink in the liquid supply unit is used up; therefore, how to realize the connection between the liquid supply unit and the printer body has become a hot point of research.
In the prior art, a protrusion is provided on a side wall of a liquid supply unit, the protrusion is integrally formed with the liquid supply unit, and a conductive portion is provided at a distal end of the protrusion; the printer comprises a printer body, a mounting groove and a mounting cavity, wherein the side wall of the mounting groove is provided with a depressed part; when the installation is carried out, the convex part is inserted into the concave part, then the liquid supply unit is pressed into the installation groove so as to install the liquid supply unit in the installation groove, and further, a first ink supply system on the liquid supply unit is communicated with a second ink supply system on the printer body so as to supply ink to the printer body. When the protruding part extends into the concave part, the conductive part in the protruding part is contacted with the first electrode and the second electrode, and the printer body detects the liquid supply unit; the printer can print only after detecting the liquid supply unit.
However, during the installation process, when the protruding portion is inserted into the recessed portion, the printer body detects the liquid supply unit as soon as the conductive portion contacts the first electrode and the second electrode, and the first ink supply system and the second ink supply system are not communicated, so that air is likely to enter the second ink supply system, and the printer body is prone to malfunction.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a liquid supply unit and printer for when solving the bulge and inserting and establishing the depressed part, conductive part and first electrode and second electrode contact, the printer body just detects liquid supply unit, and first ink supply system and second ink supply system do not feed through this moment, and the air causes the technical problem of printer body trouble in entering into the second ink supply system easily.
On the one hand, the embodiment of the utility model provides a liquid supply unit, include:
the shell is used for being accommodated in the mounting groove of the printer body; an elastic bulge is arranged on the outer wall of the shell and is clamped in a concave part on the side wall of the mounting groove; the tail end of the elastic protruding portion is provided with a conductive portion, and the conductive portion is used for being in contact with a first electrode and a second electrode on the printer body.
As the liquid supply unit described above, the elastic projection includes an elastic terminal or a flexible substrate.
The liquid supply unit as described above, wherein the elastic projection is a rubber portion; or the elastic bulge is a soft plastic part.
In the liquid supply unit, the elastic protrusion includes a first spring and an abutting block, one end of the first spring is connected to the housing, and the other end of the first spring is connected to the abutting block; the first spring is used for abutting the abutting block in the concave part.
In the liquid supply unit, the bottom of the housing is provided with a first positioning portion, and the first positioning portion is used for matching with a second positioning portion at the bottom of the mounting groove to limit the position of the housing.
In the liquid supply unit, the first positioning portion includes a positioning column disposed at the bottom of the housing, and the second positioning portion includes a positioning groove disposed at the bottom of the mounting groove.
As above, in the liquid supply unit, the positioning column is in interference fit with the positioning groove.
In the liquid supply unit as described above, the length of the positioning column is less than or equal to the depth of the positioning groove.
As above liquid supply unit, be provided with joint portion on the lateral wall of casing, joint portion with the elasticity bulge sets up relatively, joint portion be used for with block portion joint on the printer body.
On the other hand, the embodiment of the utility model provides a still provide a printer, including printer body and arbitrary the liquid supply unit
In the liquid supply unit provided by the embodiment of the utility model, the outer wall of the shell is provided with the elastic bulge which is clamped in the concave part on the side wall of the mounting groove; the tail end of the elastic bulge part is provided with a conductive part which is used for being in contact with a first electrode and a second electrode on the printer body; when the printer is installed, the side, opposite to the elastic protruding part, of the liquid supply unit is obliquely placed in the installation groove, then the side, provided with the elastic protruding part, of the liquid supply unit is pressed into the installation groove, and when the elastic protruding part is inserted into the recessed part, a first ink supply system on the liquid supply unit is communicated with a second ink supply system on the printer body; at the same time, the conductive part is contacted with the first electrode and the second electrode, the first electrode and the second electrode are conducted, and the printer body detects the liquid supply unit; compared with the prior art that the protruding portion is clamped in the recessed portion and then the opposite side of the protruding portion is pressed to install the liquid supply unit, the conductive portion is in contact with the first electrode and the second electrode, the first ink supply system is communicated with the second ink supply system, and when the printer works, air cannot enter the second ink supply system, so that the printer body is prevented from being damaged.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a sectional view of a liquid supply unit according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a printer according to an embodiment of the present invention in a normal installation state;
fig. 3 is a cross-sectional view of a printer body according to an embodiment of the present invention;
fig. 4 is a schematic perspective view of a first electrode and a second electrode in a printer body according to an embodiment of the present invention.
Description of reference numerals:
1: a printer;
11: a liquid supply unit;
12: a printer body;
111: a housing;
112: a liquid containing section;
113: a clamping part;
114: a first positioning portion;
115: an elastic projection;
1151: a conductive portion;
121: a recessed portion;
122: mounting grooves;
123: a clamping arm;
1231: a fastening part;
124: a second positioning portion;
125: installing a cavity;
126: a first electrode;
1261: a first fixed part;
1262: a first curved portion;
127: a second electrode;
1271: a second fixed part;
1272: a second curved portion;
c1: a first side surface;
c2: a second side.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
Fig. 1 is a sectional view of a liquid supply unit according to an embodiment of the present invention; fig. 2 is a cross-sectional view of a printer according to an embodiment of the present invention in a normal installation state; fig. 3 is a cross-sectional view of a printer body according to an embodiment of the present invention; fig. 4 is a schematic perspective view of a first electrode and a second electrode in a printer body according to an embodiment of the present invention.
Referring to fig. 1 to 4, the present embodiment provides a liquid supply unit 11 including: a housing 111, the housing 111 being adapted to be received in a mounting groove 122 of the printer body 12; an elastic protruding part 115 is arranged on the outer wall of the shell 111, and the elastic protruding part 115 is used for being clamped in a concave part 121 on the side wall of the mounting groove 122; the end of the elastic projecting portion 115 is provided with a conductive portion 1151, and the conductive portion 1151 is used for contacting the first electrode 126 and the second electrode 127 on the printer body 12.
Specifically, the printer body 12 is provided with a mounting groove 122, the liquid supply unit 11 is accommodated in the mounting groove 122, and the recess 121 is provided on a side wall of the mounting groove 122.
Specifically, the printer body 12 is further provided with a mounting cavity 125, the recess 121 penetrates through the mounting cavity 125, and the first electrode 126 and the second electrode 127 are arranged in the mounting cavity 125 at intervals; and the first electrode 126 and the second electrode 127 are disposed facing the recess 121 so that the conductive portion 1151 at the end of the elastic projection 115 comes into contact with the first electrode 126 and the second electrode 127 when the elastic projection 115 is inserted in the recess 121.
Further, the first electrode 126 includes a first fixing portion 1261 and a first bent portion 1262 on the first fixing portion 1261, and the second electrode 127 includes a second fixing portion 1271 and a second bent portion 1272 on the second fixing portion 1271, the first bent portion 1262 and the second bent portion 1272 being disposed opposite to the recess 121, and the conductive portion 1151 is in contact with the first bent portion 1262 and the second bent portion 1272.
Taking the orientation shown in fig. 2 as an example, the first electrode 126 has the same structure as the second electrode 127, the first fixing portion 1261 and the second fixing portion 1271 extend from the bottom of the mounting cavity 125 in the positive direction of the Z axis, and the first bent portion 1262 and the second bent portion 1272 are bent in the positive direction of the X axis toward the recessed portion 121, so that the conductive portion 1151 can be in contact with the first bent portion 1262 and the second bent portion 1272. An XYZ coordinate system is established in the space where the printer 1 is located, the positive direction of the X axis is the horizontal right direction, the positive direction of the Y axis is the direction perpendicular to the paper surface, and the positive direction of the Z axis is the vertical upward direction.
In this embodiment, the elastic protrusion 115 may be an elastic terminal or a flexible substrate. The elastic terminal may be in a regular shape such as a hemisphere, a cylinder, or a prism, or may be in other irregular shapes; the elastic terminal may be connected to the housing 111 by means of bolts or clamping, and of course, the elastic terminal may also be connected to the housing 111 by means of adhesive. The flexible substrate is plate-shaped, and can be perpendicular to the depth direction of the mounting groove 122; similarly, the flexible substrate may be connected to the housing 111 by bolts or clamping, and of course, the flexible substrate may also be connected to the housing 111 by adhesive.
In this embodiment, the elastic protrusion 115 is a flexible substrate, and compared with the elastic terminal, the flexible substrate is in a sheet shape, has good elasticity and small thickness, and can be bent and attached to the second side surface C2 under the pressing action of the side wall of the mounting groove 122 in the process of pressing the liquid supply unit 11 into the printer body 12, so as to reduce the distance between the side wall of the mounting groove 122 and the second side surface C2, and improve the assembly accuracy.
In this embodiment, the elastic protrusion 115 may be a rubber portion; or the resilient projections 115 may be soft plastic portions. The elastic protrusion 115 made of rubber or soft plastic has a certain elasticity and low hardness, so that abrasion of the elastic protrusion 115 to the side wall of the mounting groove 122 can be reduced, and the service life of the printer 1 can be further prolonged.
In this embodiment, the elastic protrusion 115 may be disposed at the top end of the sidewall of the housing 111 along the direction parallel to the Z axis, or may be disposed at the bottom end of the sidewall of the housing 111 along the direction parallel to the Z axis, and of course, the elastic protrusion 115 may also be disposed at the middle of the sidewall of the housing 111 along the direction parallel to the Z axis; the position of the recess 121 is properly set so that the elastic projection 115 can be brought into contact with the first electrode 126 and the second electrode 127 after being inserted into the recess 121 while the liquid supply unit 11 is completely mounted in the mounting groove 122.
Specifically, the housing 111 encloses a liquid containing portion 112, and the liquid containing portion 112 is for containing ink.
In this embodiment, the conductive portion 1151 is disposed at the end of the elastic protruding portion 115, and the conductive portion 1151 may be a metal sheet attached to the end of the elastic protruding portion 115, or may be a graphite plate disposed at the end of the elastic protruding portion 115, as long as the conductive portion 1151 can conduct electricity, which is not limited in this embodiment.
The installation process of the liquid supply unit 11 provided in the present embodiment is:
taking the orientation shown in fig. 2 as an example, the liquid supply unit 11 is tilted rightward and placed in the mounting groove 122, and the first side surface C1 is first engaged with the right side wall of the mounting groove 122; then, the left end of the liquid supply unit 11 is continuously pressed downwards, and when the elastic protrusion 115 contacts the left side wall of the mounting groove 122 downwards, the elastic protrusion starts to be pressed by the left side wall to deform; the liquid supply unit 11 continues to move downwards, and when the liquid supply unit moves to a position where the elastic protrusion 115 faces the recess 121, the elastic protrusion 115 extends outwards under the action of the elastic force and is clamped in the recess 121, and meanwhile, the bottom of the liquid supply unit 11 contacts with the bottom surface of the mounting groove 122, and the mounting is completed. When the elastic projection 115 is engaged with the recess 121, the conductive portion 1151 of the end of the elastic projection 115 comes into contact with the first electrode 126 and the second electrode 127, the printer body 12 detects the liquid supply unit 11, and the printer 1 starts operating.
It is to be noted that when the bottom of the liquid supply unit 11 contacts the bottom surface of the mounting groove 122, the first ink supply system on the liquid supply unit 11 communicates with the second ink supply system on the printer body 12, and the liquid supply unit 11 supplies ink to the printer body 12 through the first ink supply system and the second ink supply system.
In the liquid supply unit 11 provided by the present embodiment, the outer wall of the housing 111 is provided with an elastic protrusion 115, and the elastic protrusion 115 is used for being clamped in the recess 121 on the side wall of the mounting groove 122; the end of the elastic projecting portion 115 is provided with a conductive portion 1151, the conductive portion 1151 being for contacting the first electrode 126 and the second electrode 127 on the printer body 12; when the ink supply device is installed, the side of the liquid supply unit 11 opposite to the side provided with the elastic protruding part 115 is obliquely placed in the installation groove 122, the side of the liquid supply unit 11 provided with the elastic protruding part 115 is pressed into the installation groove 122, and when the elastic protruding part 115 is inserted into the concave part 121, a first ink supply system on the liquid supply unit 11 is communicated with a second ink supply system on the printer body 12; at the same time, the conductive portion 1151 contacts the first electrode 126 and the second electrode 127, the first electrode 126 and the second electrode 127 are electrically connected, and the printer body 12 detects the liquid supply unit 11; compared with the method of clamping the protruding portion in the recessed portion 121 and then pressing the opposite side of the protruding portion to mount the liquid supply unit 11, the conductive portion 1151 contacts the first electrode 126 and the second electrode 127, and meanwhile, the first ink supply system and the second ink supply system are communicated, so that air cannot enter the second ink supply system when the printer 1 works, and the printer body 12 is prevented from being damaged.
In the liquid supply unit 11 provided in this embodiment, the elastic protrusion 115 may further include a first spring and an abutting block, one end of the first spring is connected to the housing 111, and the other end of the first spring is connected to the abutting block; the first spring is used for abutting the abutting block in the recess 121. During installation, the first spring contracts to enable the abutting block to be close to the liquid supply unit 11, and when the abutting block is opposite to the concave part 121, the first spring extends to enable the abutting block to be clamped in the concave part 121; the spring has better compression properties and is less likely to break than the elastic projections 115, which are made of rubber or plastic, to improve the service life. Preferably, a mounting channel may be provided on the second side C2 of the housing 111, and one end of the first spring is fixed at the bottom of the mounting channel, and when the first spring is in the original state, part of the abutting block is in the mounting channel; so that the abutting block can be retracted into the mounting channel when the abutting block contacts the mounting groove 122.
Specifically, the abutting block may have a regular shape such as a cylindrical shape or a prismatic shape, and of course, the abutting block may have other irregular shapes. Preferably, a first guide portion is arranged at the end of the abutting block, which is away from the liquid supply unit 11, and the first guide portion may be in a hemispherical shape, but of course, the first guide portion may also be an inclined surface arranged at the end of the abutting block, so that during installation, the first guide portion first contacts with the side wall of the installation groove 122, so that the first guide portion slides relative to the side wall of the installation groove 122, and at the same time, the side wall of the installation groove 122 pushes the abutting block towards the liquid supply unit 11. By such arrangement, when the liquid supply unit is installed, the abutting block abuts against the top end of the side wall of the installation groove 122 to prevent the liquid supply unit 11 from moving into the installation groove 122.
Preferably, the sum of the length of the first spring and the length of the abutting block is greater than or equal to the sum of the length of the installation channel and the distance from the first electrode 126 or the second electrode 127 to the recess 121, so that the ejected abutting block can be ensured to be in contact with the first electrode 126 and the second electrode 127 during installation.
Preferably, the connection mode of the first spring and the abutting block may be welding or bonding, and this embodiment does not limit this.
Specifically, the printer body 12 is provided with a controller, the first electrode 126 and the second electrode 127 are both electrically connected to the controller, when the elastic protruding portion 115 is clamped in the recess 121, the conductive portion 1151 contacts the first electrode 126 and the second electrode 127, so that the first electrode 126 and the second electrode 127 are conducted to generate a detection signal, and the controller receives the detection signal, thereby detecting that the liquid supply unit 11 is mounted on the printer body 12.
The installation process of the liquid supply unit 11 provided in the present embodiment is:
taking the orientation shown in fig. 2 as an example, the liquid supply unit 11 is tilted rightward and placed in the mounting groove 122, and the first side surface C1 is first engaged with the right side wall of the mounting groove 122; then, the left end of the liquid supply unit 11 is continuously pressed downwards, when the abutting block contacts the left side wall of the installation groove 122, the abutting block starts to be pressed by the left side wall and shrinks towards the inside of the installation channel, and along with the downward movement of the liquid supply unit 11, until the abutting block completely retracts to the inside of the installation channel, the second side surface C2 is attached to the left side wall of the installation groove 122; the liquid supply unit 11 continues to move downwards, when the liquid supply unit moves to a position where the elastic protruding portion 115 faces the recessed portion 121, the abutting block is ejected out of the installation channel under the elastic force of the first spring, so that the abutting block is clamped in the recessed portion 121, the conductive portion 1151 is in contact with the first electrode 126 and the second electrode 127, the first electrode 126 and the second electrode 127 are conducted, the printer body 12 detects that the liquid supply unit 11 is installed, meanwhile, the first ink supply system on the liquid supply unit 11 is communicated with the second ink supply system on the printer body 12, and the printer 1 can operate normally.
On the basis of the above embodiment, the bottom of the housing 111 is provided with the first positioning portion 114, and the first positioning portion 114 is used for cooperating with the second positioning portion 124 at the bottom of the mounting groove 122 to limit the position of the housing 111.
By the cooperation of the first positioning portion 114 and the second positioning portion 124, the position between the liquid supply unit 11 and the printer body 12 can be restricted to improve the positional accuracy between the liquid supply unit 11 and the printer body 12.
In one implementable manner: the first positioning portion 114 includes a positioning slot disposed at the bottom of the housing 111, and the second positioning portion 124 includes a positioning post disposed at the bottom of the mounting slot 122.
In other implementations: the first positioning portion 114 includes a positioning column disposed at the bottom of the housing 111, and the second positioning portion 124 includes a positioning slot disposed at the bottom of the mounting groove 122.
The first positioning portion 114 is provided as a positioning column, and can prevent the strength of the liquid supply unit 11 from being reduced due to the groove formed therein.
In this embodiment, the first positioning portion 114 may also be in a circular truncated cone or a truncated pyramid shape, or the first positioning portion 114 may be in a conical shape or a pyramid shape; accordingly, the second positioning portion 124 may be a taper hole matched with the first positioning portion 114, and the first positioning portion 114 is matched with the taper hole, so that the positioning accuracy may be improved.
Preferably, reasonable setting reference column and constant head tank cross sectional dimension for the reference column satisfies interference fit with the constant head tank, with the further position precision that improves between liquid supply unit 11 and printer body 12.
Preferably, in order to facilitate the positioning column to be inserted into the positioning groove, a second guide portion is disposed at the head of the positioning column, and the second guide portion may be a hemisphere or a prism with a chamfer.
Preferably, the length of the positioning column is less than or equal to the depth of the positioning groove. The positioning column can be completely embedded into the positioning groove, so that the positioning groove is prevented from providing supporting force for the positioning column in the positive direction of the Z axis, and poor connection between the first ink supply system and the second ink supply system is avoided.
In the liquid supply unit 11 provided in this embodiment, the sidewall of the housing 111 is provided with a clamping portion 113, the clamping portion 113 is disposed opposite to the elastic protrusion 115, and the clamping portion 113 is used for clamping with the clamping portion 1231 on the printer body 12. The engagement portion 1231 engages with the engagement portion 113 to prevent relative movement between the liquid supply unit 11 and the printer body 12, thereby improving the reliability of connection between the liquid supply unit 11 and the printer body 12.
The clamping portion 1231 is disposed on the clamping arm 123, and the clamping arm 123 is hinged to the printer body 12 and disposed on the side wall of the mounting groove 122.
Preferably, the engaging portion 1231 is step-shaped and extends along the X-axis direction, so that the engaging portion 113 of the liquid supply unit 11 is smoothly engaged with the engaging portion 1231 and is not easily separated therefrom after the engagement.
Preferably, the clamping arm 123 is provided with a second spring, one end of the second spring is connected to the clamping arm 123, the other end of the second spring is fixed to the printer body 12, and the elastic force of the second spring can drive the clamping arm 123 to rotate, so that the end of the clamping arm 123 having the clamping portion 1231 extends into the mounting groove 122, and the clamping portion 1231 is prevented from being separated from the clamping portion 113.
When the printer 1 is in a non-installation state, the installation groove 122 of the printer 1 is empty, the second spring is in an original state, and the clamping arm 123 is located at an initial position; when the printer 1 is in the installation state, the liquid supply unit 11 is installed in the installation groove 122, the clamping portion 113 is clamped with the clamping portion 1231, the second spring is extruded to drive the clamping arm 123 to rotate, and the second spring is in a compressed state; when the liquid supply unit 11 is removed from the mounting groove 122, the second spring is restored to the original state, and the elastic force of the second spring may drive the catching arm 123 to be restored to the original position.
The embodiment of the present invention further provides a printer 1, which includes a printer body 12 and a liquid supply unit 11, wherein the structure and function of the liquid supply unit 11 have been described in detail in the above embodiments, and are not described again here.
The embodiment of the utility model provides a printer 1, including printer body 12 and liquid supply unit 11. Wherein, the liquid supply unit 11 is provided with an elastic projection 115 on the outer wall of the housing 111, and the elastic projection 115 is used for being clamped in a recess 121 on the side wall of the mounting groove 122; the end of the elastic projecting portion 115 is provided with a conductive portion 1151, the conductive portion 1151 being for contacting the first electrode 126 and the second electrode 127 on the printer body 12; when the ink supply device is installed, the side of the liquid supply unit 11 opposite to the side provided with the elastic protruding part 115 is obliquely placed in the installation groove 122, the side of the liquid supply unit 11 provided with the elastic protruding part 115 is pressed into the installation groove 122, and when the elastic protruding part 115 is inserted into the concave part 121, a first ink supply system on the liquid supply unit 11 is communicated with a second ink supply system on the printer body 12; at the same time, the conductive portion 1151 contacts the first electrode 126 and the second electrode 127, the first electrode 126 and the second electrode 127 are electrically connected, and the printer body 12 detects the liquid supply unit 11; compared with the method of clamping the protruding portion in the recessed portion 121 and then pressing the opposite side of the protruding portion to mount the liquid supply unit 11, the conductive portion 1151 contacts the first electrode 126 and the second electrode 127, and meanwhile, the first ink supply system and the second ink supply system are communicated, so that air cannot enter the second ink supply system when the printer 1 works, and the printer body 12 is prevented from being damaged.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A liquid supply unit, comprising: the shell is used for being accommodated in the mounting groove of the printer body; an elastic bulge is arranged on the outer wall of the shell and is clamped in a concave part on the side wall of the mounting groove; the tail end of the elastic protruding portion is provided with a conductive portion, and the conductive portion is used for being in contact with a first electrode and a second electrode on the printer body.
2. The liquid supply unit according to claim 1, wherein the elastic projection includes an elastic terminal or a flexible substrate.
3. The liquid supply unit according to claim 1, wherein the elastic projection is a rubber portion; or the elastic bulge is a soft plastic part.
4. The liquid supply unit according to claim 1, wherein the elastic projection includes a first spring and an abutting block, one end of the first spring is connected to the housing, and the other end of the first spring is connected to the abutting block; the first spring is used for abutting the abutting block in the concave part.
5. The liquid supply unit according to any one of claims 1 to 4, wherein a bottom of the housing is provided with a first positioning portion for cooperating with a second positioning portion of a bottom of the mounting groove to restrict a position of the housing.
6. The liquid supply unit according to claim 5, wherein the first positioning portion includes a positioning column provided at a bottom of the housing, and the second positioning portion includes a positioning groove provided at a bottom of the mounting groove.
7. The liquid supply unit of claim 6, wherein the positioning post is in interference fit with the positioning slot.
8. The liquid supply unit of claim 6, wherein the positioning column length is less than or equal to the depth of the positioning slot.
9. The liquid supply unit according to any one of claims 1 to 4, wherein a clamping portion is provided on a side wall of the housing, the clamping portion is disposed opposite to the elastic protruding portion, and the clamping portion is used for clamping with a clamping portion on the printer body.
10. A printer characterized by comprising a printer body and a liquid supply unit as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921098542.1U CN210617605U (en) | 2019-07-15 | 2019-07-15 | Liquid supply unit and printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921098542.1U CN210617605U (en) | 2019-07-15 | 2019-07-15 | Liquid supply unit and printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210617605U true CN210617605U (en) | 2020-05-26 |
Family
ID=70749046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921098542.1U Active CN210617605U (en) | 2019-07-15 | 2019-07-15 | Liquid supply unit and printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210617605U (en) |
-
2019
- 2019-07-15 CN CN201921098542.1U patent/CN210617605U/en active Active
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Address after: 519060 1st floor, 3rd floor, 4th floor, 5th floor, 6th floor, 7th floor, 8th floor, building 01, 83 Guangwan street, Xiangzhou District, Zhuhai City, Guangdong Province Patentee after: Jihai Microelectronics Co.,Ltd. Address before: 519060 1st floor, 3rd floor, 4th floor, 5th floor, 6th floor, 7th floor, 8th floor, building 01, 83 Guangwan street, Xiangzhou District, Zhuhai City, Guangdong Province Patentee before: APEX MICROELECTRONICS Co.,Ltd. |
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