CN212400648U

CN212400648U - Sealing ring and ink box

Info

Publication number: CN212400648U
Application number: CN202020848206.0U
Authority: CN
Inventors: 王海权; 余青松
Original assignee: Zhuhai Dinglong Huijie Technology Co ltd
Current assignee: Zhuhai Dinglong Huijie Technology Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2021-01-26
Anticipated expiration: 2030-05-19

Abstract

The utility model provides a sealing ring, including roughly being columniform main part, the main part includes first terminal surface and second terminal surface, and first terminal surface and second terminal surface are equipped with the same first end hole and the second end hole of shape structure respectively, have the sealing washer and the ink horn of above-mentioned structure, and the sealing washer is when the installation both ends interchangeable position installation and simple structure.

Description

Sealing ring and ink box

[ technical field ] A method for producing a semiconductor device

The utility model relates to a printing consumables field, concretely relates to sealing washer and ink horn including this sealing washer.

[ background of the invention ]

Ink cartridges are widely used in ink jet printers, and typically ink is supplied in liquid form and stored in a housing of the ink cartridge. The ink cartridge is provided with an ink outlet for fluid connection with a printhead of the printer to enable ink in the ink cartridge to flow to the printer. At present, there are various ways for supplying ink to an inkjet printer by an ink cartridge, and one way is to provide an ink supply needle on a print head of the printer, as shown in fig. 3, the ink supply needle 20 includes a tapered portion 202 and an ink supply needle rod 204, the tapered portion 202 of the ink supply needle 20 is provided with an ink introduction hole 206, the ink supply needle 20 is inserted into an ink outlet of the ink cartridge, and the ink in the ink cartridge is introduced into the printer through the ink introduction hole 206. A seal ring is usually installed at the ink outlet to prevent the ink from flowing out.

The sealing ring accessory of the existing ink box is provided with two end faces, wherein one end face is configured to be close to ink in the ink box when the sealing ring is installed on the ink box, the other end face is far away from the ink in the ink box, two ends of the sealing ring can not be installed in an interchangeable position, the structure is complex, and the quality is poor after the sealing ring is repeatedly installed.

[ Utility model ] content

The utility model provides a when installation both ends interchangeable position's sealing washer and have ink horn of this sealing washer, its simple structure, stable in quality effectively solve exist among the prior art not enough.

In order to solve the technical problem, the utility model provides a technical scheme is:

a sealing ring comprises a main body which is approximately cylindrical, wherein the main body comprises a first end face and a second end face, and the first end face and the second end face are respectively provided with a first end hole and a second end hole which are the same in shape and structure.

According to the scheme, the first end hole and the second end hole which are identical in shape and structure are arranged on the two end faces of the sealing part, the two ends of the sealing ring can be installed at interchangeable positions during installation, and the structure is simple.

Preferably, the sealing ring is matched with an ink supply needle with an ink leading-in hole, the ink supply needle comprises an ink supply needle rod, and at least one part of the diameter of the first end hole and the second end hole is smaller than that of the ink supply needle rod.

According to the scheme, at least one part of the diameter of the first end hole and the diameter of the second end hole are smaller than that of the ink supply needle rod, and the ink supply needle rod can be in sealing contact with and fixed on the ink supply needle.

Preferably, the shape and structure of both ends of the sealing ring in the length direction are the same.

The advantage of the solution is that the two ends of the sealing ring can be exchanged during installation.

Preferably, the first end hole and the second end hole are respectively arranged at the center of the first end surface and the second end surface.

Preferably, the first end hole and the second end hole are respectively provided with a guide portion at one end close to the first end face and the second end face.

Preferably, a separation layer is arranged between the first end hole and the second end hole.

Preferably, a sealing ring is provided on the outer circumferential surfaces of both ends of the body, respectively.

According to the scheme, the sealing ring enables the sealing ring to be connected with the ink outlet in a sealing mode.

Preferably, an outer circumferential surface of the middle portion of the body is provided with a concave portion in a length direction of the body.

According to the scheme, the concave part is arranged on the peripheral surface of the middle part of the main body, and the ink box sealing ring has the advantages that the concave part can give way to the interference part of the sealing ring when the sealing ring is matched with the ink supply needle, so that the sealing fit of the ink box sealing ring and the ink supply needle is ensured, and the elastic recovery of the ink box sealing ring after the assembly deformation is also ensured.

The utility model provides an ink box, detachably install in ink jet printer, ink jet printer is including supplying black needle, the ink box is including holding ink chamber, leading gas port and ink outlet, ink outlet is equipped with as above-mentioned a sealing washer.

[ description of the drawings ]

Fig. 1 is a schematic perspective view of a seal ring according to the present invention;

fig. 2 is a cross-sectional view of a seal ring according to the present invention;

FIG. 3 is a cross-sectional view of one of the ink supply needles for which the present invention is applicable;

FIG. 4 is a cross-sectional view of the seal ring of the present invention assembled with an ink cartridge;

FIG. 5 is a schematic view showing the state of the ink supply needle and the seal ring before the ink supply needle is inserted into the seal ring;

fig. 6 is a schematic view showing a state of the ink supply needle and the seal ring after the ink supply needle is inserted into the seal ring.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

[ detailed description ] embodiments

Example 1

As shown in fig. 1 and 2, the two ends of the seal ring 10 in the length direction are structurally symmetrical, and include a substantially cylindrical main body 11, the cylindrical main body 11 includes a first end surface 12 and a second end surface 13 having the same shape, a seal ring 111 is respectively disposed on the outer peripheral surfaces of the two ends of the main body 11, the two seal rings 111 are respectively close to the first end surface 12 and the second end surface 13, and the two seal rings 111 can make the seal ring 10 and the ink outlet be connected in a sealing manner.

As shown in fig. 3, which is a cross-sectional view of one of the supply needles 20, the supply needle 20 is a hollow needle having an ink passage 201 formed therein, and includes a tapered portion 202 which gradually expands from a distal end to a proximal end, a needle-like tip 203 of the tapered portion 202, a cylindrical supply needle stem 204, and a skirt-like enlarged diameter portion 205. An ink introduction hole 206 communicating the external space and the ink passage 201 is provided in the tapered portion 202 on the tip side.

Fig. 4 is a cross-sectional view of the sealing ring 10 and the ink cartridge 30 of the present invention after being assembled, the ink cartridge is provided with an ink outlet 31, an ink storage chamber 32 and an air guide opening 33, and the sealing ring 10 is assembled in the ink outlet 31.

As shown in fig. 1 to 4, the first end surface 12 and the second end surface 13 of the seal ring 10 are provided with a first end hole 14 and a second end hole 15 having the same shape and structure at the center position, at least a part of the first end hole 14 and the second end hole 15 has a diameter smaller than the diameter of the ink supply needle bar 204 of the ink supply needle 20, in this embodiment, the diameter of the first end hole 14 and the second end hole 15 is smaller than the diameter of the ink supply needle bar 204 of the ink supply needle 20, and since the diameter of the first end hole 14 and the second end hole 15 is smaller than the diameter of the ink supply needle bar 204 of the ink supply needle 20, the ink cartridge 30 is installed in the printer, the first end hole 14 and the second end hole 15 can be in sealing contact with the ink supply needle 20 and play a role in fixing the ink supply needle bar 204, and the ink supply needle 20 is prevented from bending, shifting or shaking during the. The first end hole 14 and the second end hole 15 are respectively provided with a first guide part 141 and a second guide part 142 at one end close to the first end surface 12 and the second end surface 13, the first guide part 141 and the second guide part 142 are the same in shape and structure, and the arrangement of the guide parts can play a role of guiding the matching of the sealing ring 10 and the ink supply needle 20, so that the ink box 30 can be more conveniently assembled to an ink jet printer. A separation layer 16 is disposed between the first end hole 14 and the second end hole 15 of the sealing ring 10, and the separation layer 16 is made of soft material, such as silica gel, rubber, etc. The separating layer 16 can pierce the break by external force when the sealing ring 10 is assembled into the ink outlet 31 of the ink cartridge 30, the ink supply needle 20 can penetrate the break of the separating layer 16 to contact the ink in the ink storage cavity 32, the separating layer 16 can seal the ink supply needle 20 when the ink supply needle is inserted into the ink outlet 31, the separating layer is automatically closed to form a sealing state after the ink supply needle 20 is drawn out, the ink is prevented from leaking, and the quality of the ink cartridge 30 is ensured not to be influenced when the ink supply needle is repeatedly assembled. In this embodiment, in the length direction of the main body 11, a concave portion 17 is circumferentially disposed on the outer peripheral surface of the middle portion of the main body 11, the concave portion 17 is located between two sealing rings 111, when the ink supply needle 20 is inserted into the sealing ring 10, the sealing ring 10 is in interference fit with the ink supply needle 20, and the concave portion 17 can give way to the interference portion of the sealing ring 10 in the process of matching the sealing ring 10 with the ink supply needle 20, that is, a certain moving space is provided for the portion of the sealing ring 10 extruded by the ink supply needle 20, which not only ensures the sealing fit between the sealing ring 10 and the ink supply needle 20, but also ensures the elastic recovery after the assembly deformation of the sealing ring 10. Comparing fig. 5 and 6, when the ink cartridge 30 is mounted in the printer, the seal ring 10 is deformed by being pressed by the ink supply needle 20, and the concave portion 17 is deformed by the deformation of the seal ring 10.

As shown in fig. 4, in the present embodiment, after the seal ring 10 is assembled at the ink outlet 31, the end surface located near the ink in the ink storage chamber 32 is the first end surface 12, and alternatively, the second end surface 13 may be assembled near the ink in the ink storage chamber 32 when the seal ring 10 is assembled, that is, the first end surface 12 and the second end surface 13 may be assembled at interchangeable positions.

The process of fitting the seal ring 10 to the ink supply needle 20 in the process of mounting the ink cartridge to an ink jet printer (not shown) will be described below with reference to fig. 4 to 6.

In the process of mounting the ink cartridge 30 to an ink jet printer (not shown), first, the ink supply needle 20 pierces the welded film at the ink outlet 31, the tapered portion 202 of the ink supply needle 20 enters the second end hole 15 of the sealing ring 10, the outer surface of the tapered portion 202 is close to the partition layer 16, and the ink cartridge 30 is continuously pressed, as shown in fig. 6, the needle-shaped tip 203 of the ink supply needle 20 penetrates through the partition layer 16, the broken partition layer 16 tightly fixes and seals the ink supply needle stem 204 of the ink supply needle 20, the needle-shaped tip 203 penetrates through the first end hole 14 to be connected with the fluid in the ink storage chamber 32, at this time, as shown in fig. 6, the inner walls of the first end hole 14 and the second end hole 15 are in sealing contact with the ink supply needle stem 204 and fasten the ink supply needle stem 204, the concave portion 17 is deformed, and the second guide portion 142 abuts. When the ink cartridge 30 is removed from the printer, the ink supply needle 20 is gradually drawn out of the ink outlet 31, the partition layer 16 elastically contracts, the part pierced by the ink supply needle 20 is automatically closed, the ink outlet 31 is sealed, ink is prevented from flowing out of the ink outlet 31, and the ink remained around the tapered part 202 of the ink supply needle 20 is blocked by the partition layer 16, so that the ink does not leak outwards, and the pollution is reduced.

The above embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited thereto. According to the utility model discloses a shape, structure and principle have a great deal of transform yet. Therefore, any changes and modifications made without departing from the spirit and scope of the present invention should be covered by the protection scope of the present invention.

Claims

1. A seal ring comprising a generally cylindrical body including a first end face and a second end face, wherein:

the first end face and the second end face are respectively provided with a first end hole and a second end hole which are the same in shape and structure.

2. A seal ring according to claim 1, wherein:

the sealing ring is matched with an ink supply needle with an ink leading-in hole, the ink supply needle comprises an ink supply needle rod, and at least one part of the diameter of the first end hole and the diameter of the second end hole are smaller than that of the ink supply needle rod.

3. A seal ring according to claim 1, wherein:

the two ends of the sealing ring in the length direction are same in shape and structure.

4. A seal ring according to claim 1, wherein:

the first end hole and the second end hole are respectively arranged in the centers of the first end face and the second end face.

5. A seal ring according to claim 1, wherein:

the first end hole and the second end hole are respectively provided with a guide part at one end close to the first end surface and the second end surface.

6. A seal ring according to claim 1, wherein:

a separation layer is arranged between the first end hole and the second end hole.

7. A seal ring according to claim 1, wherein:

and sealing rings are respectively arranged on the peripheral surfaces of the two ends of the main body.

8. A seal ring according to any one of claims 1 to 7, wherein:

in the length direction of the main body, the outer peripheral surface of the middle part of the main body is provided with a concave part.

9. The ink horn, detachably installs in ink jet printer, ink jet printer is including supplying the ink needle, the ink horn is including holding ink chamber, leading gas port and ink outlet, its characterized in that: the ink outlet is provided with a sealing ring according to any one of claims 1-8.