CN219214537U

CN219214537U - Combined pen convenient for changing ink bag

Info

Publication number: CN219214537U
Application number: CN202221366080.9U
Authority: CN
Inventors: 甘洪磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2023-06-20
Anticipated expiration: 2032-06-02

Abstract

The utility model provides a combination pen convenient to change ink sac, includes pen-holder (1), its characterized in that: the pen is characterized in that the pen holder (1) is of a tubular structure with two open ends, a telescopic inner rod (3) is movably arranged in the pen holder (1), an upper end head (2) is arranged at one end of the pen holder (1), the upper end head (2) is fixed with one end of the telescopic inner rod (3), the other end of the pen holder (1) is movably connected with a writing brush head (4) or a pen head (5), an ink inlet connecting port (6) is arranged at the upper ends of the writing brush head (4) and the pen head (5), an ink bag device is arranged on the ink inlet connecting port (6), an ink outlet (12) on the ink bag device is in butt joint and communication with the ink inlet connecting port (6), and an anti-seepage connecting structure is arranged between the ink outlet (12) and the ink inlet connecting port (6).

Description

Combined pen convenient for changing ink bag

Technical Field

The utility model relates to a combined pen, in particular to a combined pen convenient for changing ink bags, and belongs to the technical field of stationery.

Background

The existing pen and writing brush are worn and damaged more, the pen holder and the pen point are fixed into a whole, the pen holder and the pen point can be replaced together when being replaced, and great waste exists. In addition, the pen holders of the existing pens and writing brushes cannot be used universally, the pen holders of the pens are short, the pen holders of the writing brushes are long, the anti-seepage performance of the connecting parts of the ink bags of the traditional pens is poor, the situation of ink leakage is easy to occur, and the combined pen structure which is reasonable in structure and convenient for replacing the ink bags and the pen heads is lacking for a long time so as to solve the technical problems.

Disclosure of Invention

Aiming at the defects that the pen holder of the traditional pen and the writing brush cannot be commonly used, and the connecting part of the traditional ink bag is poor in seepage prevention performance and easy to cause ink leakage, the utility model provides the combined pen which is reasonable in structure, convenient to install and replace a brush head or a pen head, good in seepage prevention performance, capable of effectively avoiding the ink leakage and convenient to use and is convenient to replace.

In order to achieve the above object, the technical solution of the present utility model is: the utility model provides a combination formula pen convenient to change ink sac, includes pen-holder, its characterized in that: the pen holder is a tubular structure with two open ends, a telescopic inner rod is movably arranged in the pen holder, an upper end head is arranged at one end of the pen holder and is fixed with one end of the telescopic inner rod, the other end of the pen holder is movably connected with a brush head or a pen head, the upper ends of the brush head and the pen head are provided with ink inlet connectors, ink bag devices are arranged on the ink inlet connectors and comprise ink storage cavities, pistons, rotary rods and rotary rod mounting seats, the pistons are arranged in the ink storage cavities in a matched mode, the rotary rod mounting seats are fixedly arranged at the upper ends of the ink storage cavities, ink outlet openings are formed in the lower ends of the ink storage cavities, rotary rods extending into the ink storage cavities are arranged on the rotary rod mounting seats, the end portions of the rotary rods are coaxially fixed with the pistons, the ink outlet openings on the ink bag devices are in butt joint and are communicated with the ink inlet connectors, and an anti-seepage connection structure is arranged between the ink outlet openings and the ink inlet connectors.

Further, the outer diameter of the penholder is the same as the inner diameter of the telescopic inner rod, and a stop protrusion or an annular boss is arranged at the end part of the inner cylinder at one end of the penholder, which is close to the upper end head.

Further, the anti-seepage connection structure comprises an annular clamping groove, clamping protrusions, a compression spring and an annular rubber ring, wherein the annular clamping groove is formed in the outer circumference of the ink inlet connection port or the ink outlet, the compression spring is installed at the bottom of the annular clamping groove, the annular rubber ring is installed on the upper portion of the annular clamping groove, the annular rubber ring is fixedly connected with the compression spring, and the clamping protrusions matched with the annular clamping groove are arranged on the flange of the connection port of the ink inlet connection port or the ink outlet.

Furthermore, the annular clamping groove is provided with an L-shaped clamping notch, and the ink inlet connector is in butt joint fit with the ink outlet.

Further, the outer diameter of the ink sac device is smaller than the inner diameter of a tube cavity of the penholder near one end of the writing brush head or the pen head.

The beneficial effects of the utility model are as follows:

1. the pen holder is provided with the telescopic inner rod, so that the pen holder is not only suitable for being used as a pen holder of a writing brush, but also suitable for being used as a pen holder of a pen, and an anti-seepage connection structure is adopted between the ink outlet and the ink inlet connection port, so that the connection is reliable and the sealing is tight.

2. The utility model has reasonable structure, can conveniently install and replace the brush head or the pen head, is convenient to replace the ink bag, has good seepage resistance at the connecting part of the ink bag, effectively avoids the condition of ink leakage, and is convenient to use.

Drawings

Fig. 1 is a schematic structural view of a first embodiment of the present utility model.

Fig. 2 is a schematic structural view of a second embodiment of the present utility model.

Fig. 3 is a schematic view of the structure of the ink bag apparatus of the present utility model.

FIG. 4 is a schematic structural view of the barrier connection of the present utility model.

In the figure: the pen comprises a pen holder 1, an upper end head 2, a telescopic inner rod 3, a writing brush head 4, a pen head 5, an ink inlet connection port 6, an annular clamping groove 7, an ink storage cavity 8, a piston 9, a rotary rod 10, a rotary rod mounting seat 11, an ink outlet 12, a clamping protrusion 13, a compression spring 14 and an annular rubber ring 15.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings and detailed description.

Referring to fig. 1 to 4, the combined pen convenient for replacing ink bags of the present utility model comprises a pen holder 1, and is characterized in that: the pen holder 1 is of a tubular structure with two open ends, a telescopic inner rod 3 is movably arranged in the pen holder 1, an upper end head 2 is arranged at one end of the pen holder 1, the upper end head 2 is fixed with one end of the telescopic inner rod 3, the other end of the pen holder 1 is movably connected with the writing brush head 4 or the pen head 5, the upper ends of the writing brush head 4 and the pen head 5 are provided with ink inlet connectors 6, ink bag devices are arranged on the ink inlet connectors 6 and comprise ink storage cavities 8, pistons 9, rotary rods 10 and rotary rod mounting seats 11, pistons 9 are arranged in the ink storage cavities 8 in a matched mode, the upper ends of the ink storage cavities 8 are fixedly provided with the rotary rod mounting seats 11, ink outlet 12 are arranged at the lower ends of the ink storage cavities 8, the rotary rod 10 extending into the ink storage cavities 8 are coaxially fixed with the pistons 9, the ink outlet 12 on the ink bag devices are in butt joint and communication with the ink inlet 6, and an anti-seepage connection structure is arranged between the ink outlet 12 and the ink inlet connectors 6.

The outer diameter of the penholder 1 is the same as the inner diameter of the telescopic inner rod 3, and a stop bulge or an annular boss is arranged at the end part of the inner cylinder of one end of the penholder 1, which is close to the upper end head 2.

The anti-seepage connecting structure comprises an annular clamping groove 7, a clamping protrusion 13, a compression spring 14 and an annular rubber ring 15, wherein the annular clamping groove 7 is arranged on the outer circumference of the ink inlet connecting port 6 or the ink outlet 12, the compression spring 14 is arranged at the bottom of the annular clamping groove 7, the annular rubber ring 15 is arranged on the upper portion of the annular clamping groove 7, the annular rubber ring 15 is fixedly connected with the compression spring 14, and the clamping protrusion 13 matched with the annular clamping groove 7 is arranged on the flange of the connecting port of the ink inlet connecting port 6 or the ink outlet 12.

The annular clamping groove 7 is provided with an L-shaped clamping notch, and the ink inlet connection port 6 is in butt joint fit with the ink outlet 12.

The outer diameter of the ink sac device is smaller than the inner diameter of a tube cavity of one end of the pen holder 1, which is close to the writing brush head 4 or the pen head 5.

As shown in figure 1, the holding part of the pen holder is a pen holder 1, the pen holder 1 is of a tubular structure with two open ends, the lower end of the pen holder 1 is movably connected with a writing brush head 4 or a pen head 5, the writing brush head 4 or the pen head 5 can be arranged at the lower end of the pen holder 1 according to requirements, and the lower end of the pen holder 1 is in threaded connection with the writing brush head 4 and the pen head 5. Because the pen holder of the writing brush needs to be longer, the telescopic inner rod 3 is movably arranged in the pen holder 1, the outer diameter of the pen holder 1 is the same as the inner diameter of the telescopic inner rod 3, the telescopic inner rod 3 can slide and stretch, and the end part of the inner cylinder of one end, close to the upper end 2, of the pen holder 1 is provided with a stop bulge or an annular boss. The outer end of the telescopic inner rod 3 is fixedly provided with an upper end head 2, the upper end head 2 is positioned at the outer end of the penholder 1, and the outer diameter of the upper end head 2 is larger than the diameter of the inner cylinder of the penholder 1.

The upper ends of the writing brush head 4 and the pen head 5 are respectively provided with an ink inlet connector 6, and an ink bag device is arranged on the ink inlet connector 6. The ink bag device comprises an ink storage cavity 8, a piston 9, a rotary rod 10 and a rotary rod mounting seat 11, wherein the piston 9 is arranged in the ink storage cavity 8 in a matched manner, the rotary rod mounting seat 11 is fixedly arranged at the upper end of the ink storage cavity 8, an ink outlet 12 is formed in the lower end of the ink storage cavity 8, the rotary rod 10 extending into the ink storage cavity 8 is arranged on the rotary rod mounting seat 11, the end part of the rotary rod 10 is coaxially fixed with the piston 9, the rotary rod 10 can drive the piston 9 to slide in the ink storage cavity 8 while rotating, and further ink is sucked into the ink storage cavity 8.

An ink outlet 12 on the ink bag device is butted and communicated with the ink inlet connector 6, and an anti-seepage connection structure is arranged between the ink outlet 12 and the ink inlet connector 6. The anti-seepage connection structure comprises an annular clamping groove 7, a clamping protrusion 13, a compression spring 14 and an annular rubber ring 15, wherein the annular clamping groove 7 is arranged on the outer circumference of the ink inlet connector 6 or the ink outlet 12, the compression spring 14 is arranged at the bottom of the annular clamping groove 7, the annular rubber ring 15 is arranged on the upper portion of the annular clamping groove 7, the annular rubber ring 15 is fixedly connected with the compression spring 14, when the ink bag device is fixedly connected in a butt joint mode, the ink inlet connector 6 or the ink outlet 12 extrudes the annular rubber ring 15, the compression spring 14 is compressed, the annular rubber ring 15 is compressed, a good sealing effect is achieved, and leakage of ink from a connecting position between the ink outlet 12 and the ink inlet connector 6 is effectively avoided. The flange of the ink inlet connector 6 or the ink outlet 12 is provided with a clamping protrusion 13 matched with the annular clamping groove 7, the annular clamping groove 7 is provided with an L-shaped clamping notch, and the ink inlet connector 6 is in butt joint fit with the ink outlet 12. In addition, the annular clamping groove 7 can be provided with a conical cylindrical structure, the ink outlet 12 is also provided with a conical cylindrical structure corresponding to the annular clamping groove, and sealing is realized through cooperation of conical surfaces, so that a very good using effect can be achieved.

The foregoing is a further detailed description of the present utility model in connection with the specific embodiments, and it is not intended to limit the practice of the utility model to such descriptions, but rather it is intended to cover all such alternatives, modifications, and variations as may be included within the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a combination pen convenient to change ink sac, includes pen-holder (1), its characterized in that: the pen holder (1) is of a tubular structure with two open ends, a telescopic inner rod (3) is movably arranged in the pen holder (1), an upper end head (2) is arranged at one end of the pen holder (1), the upper end head (2) is fixed with one end of the telescopic inner rod (3), the other end of the pen holder (1) is movably connected with a writing brush head (4) or a pen head (5), an ink inlet connecting port (6) is arranged at the upper end of the writing brush head (4) and the upper end of the pen head (5), an ink bag device is arranged on the ink inlet connecting port (6), the ink bag device comprises an ink storage cavity (8), a piston (9), a rotary rod (10) and a rotary rod mounting seat (11), the piston (9) is arranged in the ink storage cavity (8) in a matched mode, an ink outlet (12) is fixedly arranged at the upper end of the ink storage cavity (8), a rotary rod (10) is arranged on the rotary rod mounting seat (11), the end of the pen holder (1) and extends into the rotary rod (10) inside the ink storage cavity, the end of the rotary rod (10) is coaxially fixed with the piston (9), and the ink bag device is connected with the ink inlet connecting port (6) in a seepage-proof mode, and the ink inlet connecting port (12) is connected with the ink inlet connecting port (6).

2. A combination pen for facilitating replacement of ink bags as defined in claim 1, wherein: the outer diameter of the penholder (1) is the same as the inner diameter of the telescopic inner rod (3), and a stop bulge or an annular boss is arranged at the end part of the inner cylinder of one end, close to the upper end (2), of the penholder (1).

3. A combination pen for facilitating replacement of ink bags as defined in claim 1, wherein: the anti-seepage connecting structure comprises an annular clamping groove (7), clamping protrusions (13), a compression spring (14) and an annular rubber ring (15), wherein the annular clamping groove (7) is formed in the outer circumference of an ink inlet connecting port (6) or an ink outlet (12), the compression spring (14) is arranged at the bottom of the annular clamping groove (7), the annular rubber ring (15) is arranged on the upper portion of the annular clamping groove (7), the annular rubber ring (15) is fixedly connected with the compression spring (14), and the clamping protrusions (13) matched with the annular clamping groove (7) are arranged on the connecting port flange of the ink inlet connecting port (6) or the ink outlet (12).

4. A combination pen for facilitating replacement of ink bags according to claim 3, wherein: the annular clamping groove (7) is provided with an L-shaped clamping notch, and the ink inlet connection port (6) is in butt joint fit with the ink outlet port (12).

5. A combination pen for facilitating replacement of ink bags as defined in claim 1, wherein: the outer diameter of the ink bag device is smaller than the inner diameter of a tube cavity of one end of the pen holder (1) close to the writing brush head (4) or the pen head (5).