WO2009146628A1

WO2009146628A1 - Ink supply pipe supporting device and continuous ink supply system

Info

Publication number: WO2009146628A1
Application number: PCT/CN2009/071891
Authority: WO
Inventors: 萧庆国; 金本友; 王峰
Original assignee: 珠海天威技术开发有限公司
Priority date: 2008-06-05
Filing date: 2009-05-21
Publication date: 2009-12-10

Abstract

An ink supply pipe supporting device comprises a bracket (3) and a swing member (4). The bracket (3) has a connecting section for connecting to a housing (6) of a printer. An upper end of the swing member (4) is pivotally connected to the bracket (3). An elastic member (7) is provided between the swing member (4) and the bracket (3). The swing member (4) can be swung to a first extreme position about a pivot joint by a restoring force of the elastic member (7). The supporting device has simple structure and lower cost; it is suitably used in a broad-width printer.

Description

Ink supply tube support device and continuous ink supply system

BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to an ink supply system for an ink jet printer, and more particularly to a continuous ink supply system for a table ink jet printer and a support device for the ink supply tube in the system. The invention is based on the application date being February 04, 2009, the application number is 200920051030. X and the application date is June 18, 2008, the application number is 200820049573. 3 and the application date is June 05, 2008, and the application number is 200820048993. Three Chinese utility model patent applications for X, the contents of which are incorporated herein by reference. Background technique

The continuous ink supply system is widely used in inkjet printers because of its excellent economy, especially table-type inkjet printers. The continuous ink supply system mainly consists of a large-capacity ink supply container, an ink cartridge adapted to the printing vehicle, and a connection. The ink container is composed of an ink supply tube of the ink cartridge. For the color inkjet printer, a plurality of independent ink supply containers and corresponding ink cartridges are respectively connected by an ink supply tube, and the ink cartridge is loaded into the printing car on the carriage to supply ink. The container is placed outside the printer, and the ink supply tube near one end of the ink cartridge needs to be supported on the printer housing to prevent interference with the normal operation of the printer. The common way of supporting the ink supply tube is to fix it directly on the printer housing through a gasket or to support it above the printer housing by means of a bracket. For example, the utility model patent publication number CN2573231Y discloses a continuous ink supply device for an inkjet printer, the device comprising an ink cartridge disposed in the printing vehicle, a fixed retaining clip for fixing the ink cartridge, an ink supply tube, and The ink supply tube support frame and the ink supply container supporting the ink supply tube, the base of the ink supply tube support frame is fixed on the printer housing, and the ink supply tube support frame has a support beam horizontally extending to the middle of the movement space of the carriage. A section of the middle of the ink supply tube is fixed to the support beam by a plurality of pipe clamps; one end of the ink supply pipe passes through the bundle tube plate at the top of the ink cartridge, is inserted into the ink injection port of the ink cartridge and sealed, and the other end is inserted into the bottom of the ink storage bottle. The above ink supply tube support method is feasible on a narrow-width printer, but when used on a wide-format printer, problems such as poor movement of the carriage, easy jamming, and rapid wear of the ink supply tube may occur. This is mainly due to the large moving distance of the wide-format printer's carriage. To match the movement, it is necessary to set a long ink supply tube: When the printing cart moves to the left side of the printer, the ink supply tube near the built-in ink cartridge is easy. Arching up, often touching the printer housing, causing the carriage movement to be blocked, affecting the print quality and the wear of the ink supply tube; When the printing car is moved to the right side of the printer, the long ink supply tube tends to sag and curl, which affects the movement of the carriage and even jams the carriage. Summary of the invention

The main object of the present invention is to provide an ink supply tube supporting device capable of avoiding friction between the ink supply tube and the printer housing and avoiding interference of the ink supply tube with the operation of the printing vehicle;

Another object of the present invention is to provide an ink supply tube supporting device which is simple in structure and low in manufacturing cost;

It is still another object of the present invention to provide a continuous ink supply system using the above-described ink supply tube supporting device. In order to achieve the above object, an ink supply tube supporting device provided by the present invention comprises a bracket and a swinging member, wherein the bracket has a connecting portion connected to the printer housing; the upper end of the swinging member is hinged on the bracket, and the elasticity between the swinging member and the bracket is set. And a restoring force causes the swinging member to swing toward the hinge point to the first extreme position.

A further solution is that the bracket includes a top portion of the suspension swinging member and a side portion supporting the top portion, and a second tube fixing portion for fixing the ink supply tube is further provided at the top portion or the side portion. Through the swinging of the oscillating member, during the operation of the printer, there is no relative sliding between the ink supply tube and the printer housing, and the movement is smooth, thereby avoiding the problem of wear of the ink supply tube.

A further solution is that a limiting member for limiting the swinging angle of the swinging member is disposed between the top portion and the upper end of the swinging member. When the swinging member swings to the first limit position, the first angle formed with the vertical direction is smaller than the swinging member swings to the first position. The second angle formed by the second extreme position and the vertical direction. By limiting the amplitude of the swing of the oscillating member toward the first side, it is possible to avoid the problem that the ink supply tube is arched upward and rubbed against the printer casing to cause the ink supply tube to wear.

A further solution is that the first tube fixing portion and the second tube fixing portion contain slits through which the ink supply tube can pass, and there is no relative movement between the ink supply tube and the slit during operation of the printer. The swinging member may be a swinging plate, a swinging lever or a swinging disc or the like. The bottom surface of the connecting portion is provided with a sponge glue for attaching and fixing the bracket to the printer casing. The bracket can be a gantry or other type of bracket that can support the swinging of the swinging member. The bracket and the swinging member may be integrally formed, and the upper end of the swinging member has a flange as a hinge, and the flange is formed by directly forming a groove on the body of the swinging member, so that the manufacturing is relatively simple and the cost can be saved. An elastic element may be disposed between the bracket and the oscillating member, and the elastic member may be located at the hinge. The elastic member may be a torsion spring, or may be a compression spring, a coil spring, a tension spring or other forms of elastic members. Its position is also not limited to the hinge of the top and the upper end of the swinging member. Of course, it is also possible to realize the elastic oscillation of the oscillating member by utilizing the resilience of the bracket and the oscillating member material itself without separately providing an elastic member.

Another further solution is that the oscillating member is composed of a first oscillating rod and a second oscillating rod, the second oscillating rod is shorter than the first oscillating rod, and the elastic member is a torsion spring disposed at the hinge of the first oscillating rod and the bracket. The tube fixing portion is two tube clamps for clamping and fixing the ink supply tube, and each tube holder is respectively connected to the first swing rod and the second swing rod. The ink supply tube supporting device provided by the present invention may further comprise a bracket and a swinging member, the bracket has a connecting portion connected to the printer housing, the upper end of the swinging member is hinged to the bracket, and the lower end is provided with a tube fixing portion for fixing the ink supply tube, and the swinging member is swingable between the first extreme position and the second extreme position .

A further solution is that the oscillating member is composed of two pendulum rods respectively hinged to the bracket, and one closer to the second extreme position side is shorter than the other.

A further solution is that the tube fixing portion is two tube fixing members, and each tube fixing member is hinged to the free end of a pendulum rod.

A further solution is that the bracket comprises a base and a support beam, the base has a passage for passing the ink supply tube and a support member for supporting the ink supply tube, at least one end of the support beam is fixed to the base, and the swinging member is suspended from the support Below the beam.

The continuous ink supply system provided by the present invention includes an ink cartridge, an ink supply container, an ink supply tube, and an ink supply tube supporting device. The ink cartridge is for supplying ink to the printer, the ink supply container is for supplying ink to the ink cartridge, and the ink supply tube is connected to the ink cartridge and the ink supply container for conveying ink in the ink supply container to the ink cartridge. The ink supply tube supporting device comprises a bracket and a swinging member, wherein the bracket has a connecting portion connecting the printer housing; the upper end of the swinging member is hinged on the bracket, and an elastic member is disposed between the swinging member and the bracket, and the restoring force causes the swinging The piece swings about the hinge point to the first extreme position.

A further solution is that the bracket includes a top portion of the hinged oscillating member and a side portion supporting the top portion, and a second tube fixing portion for fixing the ink supply tube is further provided at the top portion or the side portion.

A further solution is that a limiting member for limiting the swinging angle of the swinging member is disposed between the top portion and the upper end of the swinging member. When the swinging member swings to the first extreme position, the first angle formed with the vertical direction is smaller than the swinging member swings to the swinging member. The second angle formed by the second extreme position with the vertical direction.

A further solution is that the oscillating member comprises a first oscillating rod and a second oscillating rod, the second oscillating rod is shorter than the first oscillating rod, and the elastic member is a torsion spring disposed at the hinge of the first oscillating rod and the bracket, the tube The fixing part is used for clamping Two tube clamps for fixing the ink supply tube, each tube clip being respectively connected to the free ends of the first swing rod and the second swing rod. DRAWINGS

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic view showing the structure of a first embodiment of a continuous ink supply system according to the present invention, in which the printing carriage of Figure 1 is in an intermediate position;

Figure 2 is a schematic view of the continuous ink supply system when the printing vehicle is moved to the left position of the printer; Figure 3 is a schematic view of the continuous ink supply system when the printing vehicle is moved to the right position of the printer; 1 is a schematic view showing another arrangement of the ink supply tube of the continuous ink supply system; FIG. 5 is a schematic structural view of the first embodiment of the ink supply tube supporting device of the present invention;

Figure 6 is a schematic view showing the swinging limit position of both sides of the ink supply tube supporting device;

Figure 7 is a schematic view showing the structure of the second embodiment of the ink supply tube supporting device of the present invention, showing the open state of the lower end clip of the swinging member;

Figure 8 is a view showing the engaged state of the lower end of the swinging member of the ink supply tube supporting device of Figure 7; Figure 9 is a schematic view showing the second embodiment of the continuous ink supply system of the third embodiment of the ink supply tube supporting device of the present invention. ;

Figure 10 is a state diagram of the continuous ink supply system when the printing vehicle is operated to the left position of the printer; Figure 11 is a state diagram of the continuous ink supply system when the printing vehicle is operated from the left side of the printer to the right side;

Figure 12 is a view showing the state of the continuous ink supply system when the printing carriage is operated to the right position of the printer; Figure 13 is a view showing the structure of the third embodiment of the continuous ink supply system using the fourth embodiment of the ink supply tube supporting device of the present invention; Schematic diagram

Figure 14 is a view showing the state of the continuous ink supply system when the carriage is moved to the right position of the printer;

Figure 15 is a view showing the state of the continuous ink supply system when the printing carriage is operated from the right side of the printer to the left side;

Figure 16 is a view showing the state of the continuous ink supply system when the carriage is moved to the left position of the printer.

The present invention will be further described below in conjunction with the accompanying drawings and embodiments. detailed description

1 to 4 show a continuous ink supply system of an ink supply tube supporting device according to the present invention, the continuous supply The ink system mainly includes an ink cartridge 1, an ink storage container (not shown), an ink supply tube 2, an ink supply tube supporting device, and the like, wherein the ink cartridge 1 is mounted in a printing cart (not shown), and the printing vehicle is mounted on the carriage. Moving left and right, the ink supply tube 2 is a tube composed of a plurality of parallel single tubes.

Referring to Fig. 5, an ink supply tube supporting device 10 as a first embodiment of the ink supply tube supporting device of the present invention is constituted by an integrally injection molded bracket 3 and a swinging member 4. In the present embodiment, the upper end of the swinging member 4 has a folded edge 5 The flange 5 serves as a plastic hinge for connecting the bracket 3 and the swinging member 4, so that the manufacturing is relatively simple, and the cost of mold opening can be saved. The bracket 3 is in the form of a gantry that includes a top portion 31 of the suspension swinging member 4 and two side portions 32 that support the top portion 31. The bottom ends 34 of the two side portions 32 respectively support the bracket 3 through a connector such as sponge rubber. Attached to the opening 61 of the printer housing 6, as shown in FIG.

Referring to Fig. 5, the upper end of the oscillating member 4 is elastically hinged to the top 31 of the bracket, and the hinge is provided with a torsion spring 7. The lower end of the oscillating member 4 is provided with a first tube fixing portion for fixing the ink supply tube, and the first tube fixing portion includes a slit 41 through which the ink supply tube 2 can pass. In the embodiment, the slit 41 is A strip hole formed directly on the body of the oscillating member 4. The height of the slit 41 is lower than the height of the bottom end 34 of the side portion 32, so that the swinging member 4 can sufficiently press down the ink supply tube to prevent the ink supply tube from rubbing against the printer housing. The slit 41 can be adjusted at a fixed position on the ink supply tube, but during the operation of the printer, the ink supply tube and the slit

There is no relative movement between 41. In order to prevent the ink supply tube from being worn relative to the surface of the printer housing during the operation of the printer, the top portion 31 of the bracket 3 is further provided with a second tube fixing portion for fixing the ink supply tube, and the second tube fixing portion has The U-shaped pipe clamp 33 of the slit 35 has an opening at one end thereof through which the ink supply tube can be inserted into the slit 35. The tube clamp 33 can be adjusted in a fixed position on the ink supply tube, but there is no relative movement between the ink supply tube and the tube holder 33 during operation of the printer. The pipe clamp 33 may be integrally formed on the bracket 3, or may be fixed to the bracket 3 by means of bonding, splicing or the like.

Referring to Figures 5 and 6, a stopper 8 for restricting the swing angle of the swinging member 4 is provided between the top portion 31 of the bracket 3 and the upper end of the swinging member 4. When the oscillating member 4 is swung to the first extreme position on the left side, it forms a first angle α with the vertical direction; when the oscillating member 4 is swung to the second extreme position on the right side, it forms a second angle β with the vertical direction. In order to prevent the ink supply tube from arching upward and rubbing against the inside of the printer casing 6 to cause wear of the ink supply tube, the first angle α is made smaller than the second angle β to limit the amplitude of the swinging member 4 to the left side.

7 and 8 show an ink supply tube supporting device 11 as a second embodiment of the ink supply tube supporting device of the present invention, which is also constituted by a bracket 3 and a swinging member 4, which is identical to the first The main difference of the embodiment ink supply tube supporting device 10 is that the second tube fixing portion on the bracket 3 includes the setting. The tube clamp 37 on the top portion 31 and the tube clamp 36 disposed on the inside of the side portion 32 have a structure similar to that of the tube clamp 33 in the ink supply tube support device 10. For the bracket 3 of this structure, the tube clamp 37 or the tube clamp 36 can be selected as needed to fix the ink supply tube, and the state of the ink supply tube 2 is fixed by the tube clamp 37. As shown in FIG. 1, the tube clamp 36 is used to fix the ink supply. The state of the tube 2 is as shown in FIG. Of course, the second tube fixing portion on the bracket 3 may be only the tube clamp 36 disposed inside the side portion 32, that is, the tube clamp 37 is not provided. Additionally, the tube clamp 36 can also be located on the outside of the side portion 32 or on the other side 32 of the bracket 3. Another major difference between the ink supply tube supporting device 11 and the ink supply tube supporting device 10 is that the first tube fixing portion at the lower end of the oscillating member 4, although also including the slit 42 through which the ink supply tube 2 can pass, the slit 42 is formed by the body of the swinging member 4 and the elastic clip 43 below the body. In Fig. 7, the clip 43 is released from the body of the swinging member 4, and the slit 42 is enlarged to facilitate the insertion of the ink supply tube. After the ink supply tube is placed, the clip 43 is buckled into the corresponding buckle on the body of the swinging member 4, and the ink supply tube is clamped and fixed.

The ink supply tube passes through the second tube fixing portion on the top 31 or the side portion 32 of the bracket 3 and the first tube fixing portion at the lower end of the swinging member 4, respectively, and then passes through the bundle tube plate located at the top of the ink cartridge (not shown). ), inserted into the ink filling port of the ink cartridge and sealed, the rear end of the entire ink supply tube is inserted into the ink storage container, thereby forming the continuous ink supply system of the present invention.

Referring to FIG. 2 and FIG. 6, when the printing cart (not shown) carrying the ink cartridge 1 is moved to the leftmost side of the printer, the ink cartridge 1 pulls the first tube fixing portion of the lower end of the swinging member 4 to the left through the ink supply tube 2. At this time, the swinging member 4 swings to the left against the torsion of the torsion spring to reach a first extreme position which forms a first angle α with the vertical direction, and the swinging member 4 presses the portion of the ink supply tube close to the ink cartridge 1 with its own length to avoid The portion of the ink supply tube is arched upward to rub against the printer casing 6 to cause the ink supply tube to wear. At the same time, the swinging member 4 maintains the tension of the ink supply tube by the restoring force provided by the torsion spring 7 to prevent the ink supply tube from excessively sagging and curly.

Referring to Fig. 1, when the ink cartridge 1 is moved from the left side of the printer to the right side along the slide rail inside the printer, the swinging member 4 swings back to the right by the restoring force released from the torsion spring 7.

Referring to FIGS. 3 and 6, when the ink cartridge 1 is moved to the rightmost side of the printer, the oscillating member 4 reaches a second extreme position which forms a second angle β with the vertical direction, and the ink supply tube 2 near the ink cartridge is partially raised to avoid the Part of the ink supply tube affects the movement of the printing car due to excessive sagging, stacking or curling, and even jams the printing car.

The second embodiment of the continuous ink supply system of the present invention and the third embodiment of the ink supply tube supporting device will be described below with reference to the accompanying drawings.

Referring to FIG. 9 to FIG. 12, the structure and working principle of the second embodiment of the continuous ink supply system using the third embodiment of the ink supply tube supporting device of the present invention are as follows. The continuous ink supply system mainly includes the ink cartridge 101 (see 2), an ink storage container (not shown), an ink supply tube 102, an ink supply tube supporting device, and the like, wherein the ink cartridge 101 is fixed in a printer cart 103 of the printer, and the printing cart 103 can be along a slide rail in the printer. (not shown) Slides back and forth in a certain range. The ink supply tube supporting device has a bracket formed by a base 104 and a cantilever beam 105 horizontally disposed above the printing carriage 103. The fixed end of the cantilever beam 105 is fixed on the top of the base 104, and the bottom of the base 104 is fixed at On the printer housing 106. A first swinging bar 107 and a second swinging bar 108 are respectively suspended from the cantilever beam 105. The upper end of the first swinging bar 107 is hinged to the free end of the cantilever beam 105. The hinge is provided with a torsion spring 109 (see 2), the torsion spring 109 is sleeved on the hinge shaft, and the two force arms abut against the cantilever beam 105 and the first swing rod 107 respectively; the upper end of the second swing rod 108 is hinged to the middle of the cantilever beam 105, and the second pendulum The length of the rod 108 is shorter than the first swing rod 107.

The ink supply tube 102 is a discharge tube composed of a plurality of parallel single tubes which pass through the passage 110 in the middle of the base 104 along the extending direction of the cantilever beam 105, and the ink supply in the passage 110 The tube portion is supported by a plurality of freely rotatable rollers 111. Since the printing cart 103 is reciprocating in the right and left, the ink supply tube 102 is caused to reciprocate in the channel 110, and the roller 111 is supported to effectively reduce the abrasion of the ink supply tube 102.

The ink supply tube 102 passing through the susceptor 104 is further inserted through a tube tube plate (not shown) located at the top of the ink cartridge 101, inserted into the ink filling port of the ink cartridge 101, and sealed, and the rear end of the entire ink supply tube 102 is inserted. Ink storage container. A first tube clamp 112 and a second tube clamp 113 are fixed to the ink supply tube portion between the base 104 and the ink cartridge 101, and their fixed positions on the ink supply tube 102 can be adjusted. The first pipe clamp 112 is rotatably coupled to the free end of the first rocker 107, and the second pipe clamp 113 is rotatably coupled to the free end of the second rocker 108.

Referring to FIG. 10, when the print carriage 103 carrying the ink cartridge 101 moves to the left side of the printer, the ink cartridge 101 pulls the first pipe clamp 112 to the left by the ink supply tube 102, and at this time, the first swing lever 107 overcomes the restoring force of the torsion spring 109 to the left. Swinging to the first extreme position of the vertical state, the first swing lever 107 presses the ink supply tube portion close to the ink cartridge 101 by its own length to prevent the portion of the ink supply tube from arching upward and rubbing against the printer housing 106. The ink supply tube is worn, and the shorter second swing rod 108 lifts the ink supply tube portion between the first tube clamp 112 and the base 104 to prevent friction with the internal mechanism of the printer; meanwhile, the first swing rod 107 The tension of the ink supply tube is maintained by the restoring force of the torsion spring 109 to prevent the ink supply tube from drooping and curling excessively.

Referring to FIG. 11, when the carriage 103 moves from the left side of the printer to the right along the slide rail inside the printer, the first swing lever 107 swings back to the right by the restoring force released by the torsion spring 109, and passes through the second swing lever 108. Cooperating to transfer the excessively long ink supply tube portion outward through the passage 110 of the base 104 to prevent the ink supply tube portion close to the ink cartridge 101 from affecting the movement of the printing carriage 103 due to excessive sag, stacking or curling, or even to print the vehicle. 103 cards died.

Referring to Fig. 12, when the carriage 103 is moved to the right side of the printer, the length of the ink supply tube portion from the base 104 to the ink cartridge 101 is the shortest, and the first swing link 107 and the second swing link 108 are also swung rightward to the second limit. position.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a third embodiment of the continuous ink supply system of the present invention and a fourth embodiment of the ink supply tube supporting device will be described with reference to the accompanying drawings.

Referring to Fig. 13, a third embodiment of a continuous ink supply system using a fourth embodiment of the ink supply tube supporting device of the present invention, the continuous ink supply system mainly comprises an ink cartridge 201 (see Fig. 14) and an ink storage container (not shown). The ink supply tube 202 and the ink supply tube supporting device and the like, wherein the ink cartridge 201 is fixed in the printing cart 203 of the printer, and the printing cart 203 can reciprocate in a certain range along a sliding rail (not shown) in the printer. Sliding on the ground. The ink supply tube supporting device has a bracket formed by a base 204 and a cantilever beam 205 horizontally disposed above the printing carriage 203. The fixed end of the cantilever beam 205 is fixed on the top of the base 204, and the bottom of the base 204 is fixed to the printer. On the housing 206. A first suspension seat 207 and a second suspension seat 208 are respectively fixed on the cantilever beam 205. The first suspension seat 207 is closer to the free end of the cantilever beam 205, and the two suspension seats are in the extension direction of the cantilever beam 205. Form a certain spacing on the top. The upper end of a first swinging rod 209 is hinged to the first suspension seat 207 as its suspension end 210, and is suspended below the cantilever beam 205; the upper end of a second swinging rod 211 is hinged to the suspension end 212 as a suspension end 212. The two suspension seats 208 are also suspended below the cantilever beam 205. The length of the second rocker 211 is shorter than that of the first rocker 209.

The ink supply tube 202 is a discharge tube composed of a plurality of parallel single tubes which pass through the passage 213 in the middle of the base 204 along the extending direction of the cantilever beam 205, and the ink supply in the passage 213 The tube portion is supported by a plurality of freely rotatable rollers 214. Since the printing cart 203 is reciprocating in the right and left, the ink supply tube 202 is caused to reciprocate in the channel 213, and the roller 214 is used for supporting, so that the wear of the ink supply tube 202 can be effectively reduced.

The ink supply tube 202 passing through the susceptor 204 is further inserted through a tube tube plate (not shown) located at the top of the ink container 201, inserted into the ink filling port of the ink container 201, and sealed, and the rear end of the entire ink supply tube 202 is inserted. Ink storage container. A first tube clamp 215 and a second tube clamp 216 are fixed to the ink supply tube portion between the base 204 and the ink cartridge 201, and their fixed positions on the ink supply tube 202 can be adjusted. The first pipe clamp 215 is hinged to the free end of the first rocker 209, and the second pipe clamp 216 is hinged to the free end of the second rocker 211.

Referring to FIGS. 14 to 16, the ink supply tube supporting device pulls the ink supply tube 202 through the swing lever mechanism, so that The ink supply tube 202 generates a retracting and retracting reciprocating motion corresponding to the right and left reciprocating operation of the carriage 203 to adjust the length of the ink supply tube portion from the susceptor 204 to the ink cartridge 201 at any time. When the carriage 203 carrying the ink cartridge 201 moves to the right side of the printer, the length of the ink supply tube portion from the susceptor 204 to the ink cartridge 201 is the shortest, and the first swing lever 209 and the second swing lever 211 also swing to the right to the second. Limit position; when the carriage 203 moves from the right side of the printer to the left along the slide rail inside the printer, the first swing lever 209 and the second swing lever 211 swing to the left to supplement the ink supply tube from the base 204 to the ink cartridge 201 Part of the length, to avoid the movement of the printing cart 203 due to insufficient length of the portion of the ink supply tube; when the printing cart 203 moves to the left side of the printer, the length of the ink supply tube portion from the base 204 to the ink cartridge 201 is the longest. The first swinging lever 209 and the second swinging lever 211 are also swung to the left to the first extreme position; when the printing carriage 203 is moved to the right from the left side of the printer, the first swinging lever 209 and the second swinging lever 211 are swung right to absorb The long ink supply tube prevents the ink supply tube portion from the susceptor 204 to the ink cartridge 201 from being drooped, stacked or curled, which affects the movement of the printing cart 203 and even jams the printing cart 203, thereby improving the printing cart 203. Running stability, solved the problem caused by the ink supply tube 202 printing 203 run instability generated print quality problems. Such an ink supply tube support device is particularly suitable for use on wide format printers. Industrial applicability

The oscillating member of the ink supply tube supporting device fixes the ink supply tube through the first tube fixing portion of the lower portion thereof, the height of the first tube fixing portion is lower than the height of the connecting portion of the bracket, and the upper end of the oscillating member is elastically hinged to the bracket, when the printer is inside When the printing carriage for supporting the ink cartridge moves to the first side position, the swinging member is pulled by the ink supply tube to swing toward the first extreme position, and the ink supply tube portion close to the built-in ink cartridge is pressed down to avoid the portion of the ink supply portion. The tube is arched upward to rub against the printer casing to cause wear of the ink supply tube. At the same time, the swinging member applies a force opposite to the direction of movement of the carriage to the ink supply tube to tighten the ink supply tube by utilizing the elasticity of the hinge portion thereof, thereby avoiding The ink supply tube is excessively drooped and curled; when the printing vehicle moves to the second side, the swinging member raises the portion of the ink supply tube close to the ink cartridge under the action of the restoring force generated by the elastic member, thereby avoiding the portion of the ink supply tube Long drooping, stacking or curling affects the movement of the carriage, and even the printer is stuck, thereby improving the running stability of the printing vehicle and solving the problem that the ink supply tube does not affect the operation of the printing vehicle. Steady print quality issues. The ink supply tube support device has a simple structure and a low manufacturing cost, and is particularly suitable for use on a wide format printer.

Claims

Claim

1. Ink supply tube support device, including

a bracket having a connection portion connected to the printer housing;

It is characterized by:

The swinging member has an upper end hinged to the bracket, and a lower end is provided with a tube fixing portion for fixing the ink supply tube, and the swinging member is swingable between the first extreme position and the second extreme position;

The elastic member is disposed between the swinging member and the bracket, and the restoring force causes the swinging member to swing about the hinge point to the second extreme position.

2. The ink supply tube supporting device according to claim 1, wherein:

The bracket includes a top portion that hinges the swinging member and a side portion that supports the top portion, and a second tube fixing portion that fixes the ink supply tube is further disposed at the top portion or the side portion.

3. The ink supply tube supporting device according to claim 1 or 2, wherein:

a limiting member for limiting a swinging angle of the swinging member is disposed between the top portion and the upper end of the swinging member, and the first angle formed by the swinging member when swinging to the first limit position is smaller than the swinging member swings to the swinging member The second angle formed by the second extreme position with the vertical direction.

4. The ink supply tube supporting device according to claim 3, wherein:

The bracket and the swinging member are integrally formed.

5. The ink supply tube supporting device according to claim 4, wherein:

The elastic member is a plastic hinge of an upper end of the swinging member and a top of the bracket.

6. The ink supply tube supporting device according to claim 3, wherein:

The elastic member is a torsion spring, a compression spring, a coil spring or a tension spring.

7. The ink supply tube supporting device according to claim 1, wherein:

The swinging member includes at least one swinging lever.

8. The ink supply tube supporting device according to claim 7, wherein:

The swinging member includes a first swinging lever and a second swinging lever, and the second swinging lever is shorter than the first swinging lever.

9. The ink supply tube supporting device according to claim 8, wherein: the elastic member is a torsion spring disposed at a hinge of the first swinging rod and the bracket.

The ink supply tube supporting device according to claim 8 or 9, wherein: the tube fixing portion is two tube clamps for clamping and fixing to the ink supply tube, and each tube holder is respectively connected to the The free end of a pendulum and a second pendulum.

11. Ink supply tube support device, including

a bracket having a connection portion connected to the printer housing;

It is characterized by:

The swinging member has an upper end hinged to the bracket, and a lower end is provided with a tube fixing portion for fixing the ink supply tube; the swinging member is swingable between the first extreme position and the second extreme position.

12. The ink supply tube supporting device according to claim 11, wherein:

The oscillating member is composed of two pendulum rods respectively hinged to the bracket, and one closer to the second extreme position side is shorter than the other.

13. The ink supply tube supporting device according to claim 12, wherein:

The tube fixing portion is two tube fixing members, and each tube fixing member is respectively hinged to a swing rod

14. An ink supply tube holder according to claim 12 or 13, wherein:

The bracket includes

a pedestal having a passage for the ink supply tube to pass through and a support member for supporting the ink supply tube; a support beam having at least one end fixed to the base;

The swinging member is suspended below the support beam.

15. Continuous ink supply system, including

Ink cartridge for supplying ink to the printer;

An ink supply container for supplying ink to the ink cartridge;

An ink supply tube connecting the ink cartridge and the ink supply container for conveying ink in the ink supply container to the ink cartridge; It is characterized by:

Ink supply support device, including

a bracket having a connection portion connected to the printer housing;

16. The continuous ink supply system of claim 15 wherein:

17. A continuous ink supply system according to claim 15 or claim 16 wherein:

18. The continuous ink supply system of claim 15 wherein:

The oscillating member includes a first oscillating weight and a second oscillating rod, and the second oscillating rod is shorter than the first oscillating rod; the elastic member is a torsion spring disposed at a hinge of the first oscillating rod and the bracket ;

The tube fixing portion is two tube clamps for clamping and fixing to the ink supply tube, and each tube clip is respectively connected to the free ends of the first swing rod and the second swing rod.

19. Continuous ink supply system, including

Ink cartridge for supplying ink to the printer;

An ink supply container for supplying ink to the ink cartridge;

An ink supply tube connecting the ink cartridge and the ink supply container for conveying ink in the ink supply container to the ink cartridge;

It is characterized by: The swinging member has an upper end hinged to the bracket, and a lower end is provided with a tube fixing portion for fixing the ink supply tube; the swinging member is swingable between the first extreme position and the second extreme position.

20. The continuous ink supply system of claim 19, wherein:

The oscillating member is composed of two swinging rods respectively hinged to the bracket, and one near the second extreme position side is shorter than the other;

3⁄4 ;

The bracket includes

The swinging member is suspended below the support beam.