pen

Abstract

The utility model discloses a kind of pens, including shell, reset member, refill and locking member;Refill has nib, shell is equipped with the accommodating cavity matched with refill in, the upper and lower ends of shell are equipped with first opening and second opening respectively, and the lateral wall of shell is equipped with locking port;Refill is loaded into accommodating cavity from first opening, reset member is connected shell and refill respectively, and reset member makes that refill has the tendency of moving away from shell;The side of locking member is equipped with clamping block and locking port joint, to realize locking. This pen when using, when refill is used up, only need to abut clamping block in locking port with arbitrary object, make clamping block move inwards, make locking member and locking port unlock, reset member drives refill to move in the direction of moving away from shell at this time, new refill and locking member are loaded into accommodating cavity from first opening again, clamping block and locking port joint, to realize locking, locking member, shell and refill are locked together, complete the replacement of refill.

Description

Technical Field

[0001] This utility model relates to a pen. Background Technology

[0002] As a basic writing tool, the basic structure of a pen includes a casing and a refill inside the casing.

[0003] Traditional pens require disassembling the casing to replace the refill when it runs out, which is inconvenient. Utility Model Content

[0004] Therefore, it is necessary to provide a pen that can solve the above problems.

[0005] A pen includes a housing, a reset component, a pen refill, and a locking component mounted on the upper end of the pen refill;

[0006] The pen refill has a pen tip, and the outer shell has a receiving cavity that matches the pen refill. The upper and lower ends of the outer shell are respectively provided with a first opening and a second opening that matches the pen tip. The side wall of the outer shell is provided with a locking port. The first opening, the second opening and the locking port are all in communication with the receiving cavity.

[0007] The pen refill is inserted into the receiving cavity through the first opening. The reset member connects the outer shell and the pen refill respectively, and the reset member causes the pen refill to tend to move away from the outer shell.

[0008] The locking component has a locking block on its side. When the pen refill is inserted into the receiving cavity, the upper end of the locking block on the side of the locking component engages with the upper side wall of the locking opening, thereby achieving locking.

[0009] In one embodiment, the locking member has a spring tab on its side, and the locking block is disposed on the side of the spring tab facing outward;

[0010] When the pen refill is inserted into the receiving cavity, the elastic deformation of the spring causes the locking block to engage with the locking slot, thereby achieving locking.

[0011] In one embodiment, the locking member includes a connecting part fixedly connected to the upper end of the pen refill and a locking part. The locking part includes the spring piece and a cylindrical sidewall with a notch. The spring piece is disposed at the notch. One end of the spring piece is connected to the cylindrical sidewall, and the other end of the spring piece and both sides of the spring piece are separated from the cylindrical sidewall.

[0012] In one embodiment, the locking member further includes a first pressing part, the first pressing part, the locking part and the connecting part are connected in sequence, and the locking member is integrally formed.

[0013] In one embodiment, the pen further includes an unlocking member movably disposed at the locking port, wherein when the upper end of the latch block on the side of the locking member engages with the upper sidewall of the locking port, the unlocking member is used to abut against the latch block.

[0014] In one embodiment, the unlocking element is slidably disposed at the locking port;

[0015] The unlocking component includes a second pressing part and a locking part. The second pressing part extends through the locking port from the receiving cavity and is partially exposed outside. The locking part is disposed in the receiving cavity and engages with the side wall of the locking port.

[0016] In one embodiment, the outer surface of the card block is curved or inclined, and the thickness of the card block gradually decreases from top to bottom.

[0017] In one embodiment, the housing includes a cylindrical body, a cylindrical pressing element, and a pressing telescopic assembly;

[0018] The cylindrical pressing member is slidably sleeved with the upper end of the cylindrical body, and part of the cylindrical pressing member is exposed outside the outer shell;

[0019] The first opening is located at the upper end of the cylindrical pressing member, the second opening is located at the lower end of the cylindrical body, the locking port is located on the side wall of the cylindrical pressing member, the interior of the cylindrical pressing member and the interior of the cylindrical body together form the receiving cavity, and the pen tip of the pen refill penetrates the cylindrical pressing member and is inserted into the cylindrical body;

[0020] The press-and-extend assembly is disposed between the upper end of the cylindrical press member and the cylindrical body. The cylindrical body, the cylindrical press member, the press-and-extend assembly, and the reset member cooperate to realize the press-and-extend of the pen refill.

[0021] In one embodiment, the cylindrical pressing member is sleeved outside the upper end of the cylindrical body, and the pressing telescopic assembly includes a driving block disposed on the outer side of the upper end of the cylindrical body and a pressing telescopic structure disposed on the inner side of the cylindrical pressing member.

[0022] In one embodiment, the cylindrical pressing member is sleeved inside the upper end of the cylindrical body, and the pressing telescopic assembly includes a driving block disposed on the outside of the cylindrical pressing member and a pressing telescopic structure disposed on the inside of the upper end of the cylindrical body.

[0023] When this pen is in use, once the pen tip is used up, simply place any object (e.g., a fingernail, a needle, etc.) against the locking block inside the locking slot to move the locking block inward, thereby unlocking the locking member and the locking slot. At this time, the reset member drives the pen tip to move away from the outer casing, allowing a new pen tip and the locking member to be inserted back into the receiving cavity through the first opening. The upper end of the locking block on the side of the locking member engages with the upper side wall of the locking slot, thereby locking the pen tip. The locking member, the outer casing, and the pen tip are locked together, completing the replacement of the pen tip.

[0024] Compared with traditional pens, the pen of this invention allows for replacement of the pen refill without disassembling the outer casing after the refill is used up, making it more convenient to use. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the pen in one direction according to the first embodiment.

[0026] Figure 2 For example Figure 1 The diagram shows a partial exploded view of the pen in one direction.

[0027] Figure 3 For example Figure 1 The diagram shows a further breakdown of the pen's structure in one direction.

[0028] Figure 4 For example Figure 1 A schematic diagram of the cylindrical body of the pen from another direction.

[0029] Figure 5 This is a schematic diagram of the pen in one direction according to the second embodiment.

[0030] Figure 6 For example Figure 5 The diagram shows a partial exploded view of the pen in one direction.

[0031] Figure 7 For example Figure 5 The diagram shows a further breakdown of the pen's structure in one direction.

[0032] Figure 8 For example Figure 5 The diagram shows the structure of the cylindrical pressing part of the pen from another direction. Detailed Implementation

[0033] To make the objectives, technical solutions and advantages of this utility model clearer, the embodiments of this utility model will be further described below with reference to the accompanying drawings.

[0034] like Figure 1, Figure 2 and Figure 3 The pen 100 of the first embodiment shown includes a housing 120, a reset member 140, a pen refill 160, and a locking member 180 mounted on the upper end of the pen refill 160.

[0035] The pen refill 160 has a pen tip 162. The outer shell 120 has a receiving cavity that matches the pen refill 160. The upper and lower ends of the outer shell 120 are respectively provided with a first opening 101 and a second opening 102 that matches the pen tip 162. The side wall of the outer shell 120 is provided with a locking port 103. The first opening 101, the second opening 102 and the locking port 103 are all in communication with the receiving cavity.

[0036] The pen refill 160 is inserted into the receiving cavity through the first opening 101. The reset member 140 is connected to the outer shell 120 and the pen refill 160 respectively, and the reset member 140 causes the pen refill 160 to tend to move away from the outer shell 120.

[0037] The locking member 180 has a locking block 182 on its side. When the pen refill 160 is inserted into the receiving cavity, the upper end of the locking block 182 on the side of the locking member 180 engages with the upper side wall of the locking port 103, thereby achieving locking.

[0038] When the pen 100 is in use, after the pen refill 160 is used up, any object (e.g., a fingernail, a needle, etc.) is placed against the locking block 182 inside the locking port 103, causing the locking block 182 to move inward, thereby unlocking the locking member 180 and the locking port 103. At this time, the reset member 140 drives the pen refill 160 to move away from the outer casing 120, so that the new pen refill 160 and the locking member 180 can be inserted into the receiving cavity again through the first opening 101. The upper end of the locking block 182 on the side of the locking member 180 engages with the upper side wall of the locking port 103, thereby achieving locking. The outer casing 120, the pen refill 160 and the locking member 180 are locked together, completing the replacement of the pen refill 160.

[0039] Compared with traditional pens, the pen 100 of this invention allows for replacement of the pen refill 160 without disassembling the outer casing 120 after the refill 160 is used up, making it more convenient to use.

[0040] Referring to the accompanying drawings, in this embodiment, the reset member 140 is a spring sleeved around the pen refill 160. After the pen refill 160 is inserted into the receiving cavity through the first opening 101, the reset member 140 is elastically compressed, thereby causing the pen refill 160 to tend to move away from the outer casing 120.

[0041] In other embodiments, the reset member 140 may also be other elastic structures or two mutually repulsive magnets.

[0042] Referring to the accompanying drawings, in a preferred embodiment, the locking member 180 has a spring piece 184 on its side, and the locking block 182 is located on the side of the spring piece 184 facing outward.

[0043] When the pen refill 160 is inserted into the receiving cavity, the spring 184 elastically deforms and the locking block 182 engages with the locking port 103, thereby achieving locking.

[0044] More preferably, in conjunction with the accompanying drawings, in this embodiment, the locking member 180 includes a connecting part 186 fixedly connected to the upper end of the pen refill 160 and a locking part 188. The locking part 188 includes the aforementioned spring piece 184 and a cylindrical sidewall 185 with a notch. The spring piece 184 is disposed at the notch. One end of the spring piece 184 is connected to the cylindrical sidewall 185, and the other end of the spring piece 184 and both ends of the spring piece 184 are separated from the cylindrical sidewall 185.

[0045] Specifically, in this embodiment, the locking member 180 further includes a first pressing part 189, and the first pressing part 189, the locking part 188 and the connecting part 186 are connected in sequence.

[0046] In this embodiment, the locking member 180 is a one-piece injection molded part. In other embodiments, the locking member 180 may also be of other types of structure.

[0047] Preferred, combined Figure 4 In this embodiment, the outer shell 120 includes a cylindrical body 122, a cylindrical pressing member 124, and a pressing telescopic assembly.

[0048] The cylindrical pressing member 124 is slidably sleeved with the upper end of the cylindrical body 122, and part of the cylindrical pressing member 124 is exposed outside the outer shell 120.

[0049] The first opening 101 is located at the upper end of the cylindrical pressing member 124, the second opening 102 is located at the lower end of the cylindrical body 122, the locking opening 103 is located on the side wall of the cylindrical pressing member 124, the interior of the cylindrical pressing member 124 and the interior of the cylindrical body 122 together form a receiving cavity, and the pen tip 162 of the pen refill 160 penetrates the cylindrical pressing member 124 and is inserted into the cylindrical body 122.

[0050] The press-and-extend assembly is located between the upper end of the cylindrical press member 124 and the cylindrical body 122. The cylindrical body 122, the cylindrical press member 124, the press-and-extend assembly and the reset member 140 work together to realize the press-and-extend of the pen refill 160.

[0051] Referring to the accompanying drawings, more preferably, in this embodiment, the cylindrical pressing member 124 is sleeved inside the upper end of the cylindrical body 122, and the pressing telescopic assembly includes a driving block 126 disposed on the outer side of the cylindrical pressing member 124 and a pressing telescopic structure 128 disposed on the inner side of the upper end of the cylindrical body 122.

[0052] The drive block 126 and the press-to-retract structure 128 cooperate to realize the press-to-retract mechanism of the pen refill 140. At this time, the pen 100 of this invention is a press-to-retract pen.

[0053] Specifically, referring to the accompanying drawings, the press-and-telescopic assembly also includes a rotating ring 125 rotatably sleeved on the outside of the cylindrical press member 124, and a drive block 126 is disposed on the rotating ring 125.

[0054] Since the specific principle of the press-and-retract component has been disclosed in the applicant's prior patent application, it will not be repeated in this utility model.

[0055] like Figure 5 , Figure 6 and Figure 7 The pen 200 of the second embodiment shown includes a housing 220, a reset member 240, a pen refill 260, and a locking member 280 mounted on the upper end of the pen refill 260.

[0056] The pen refill 260 has a pen tip 262. The outer shell 220 has a receiving cavity that matches the pen refill 260. The upper and lower ends of the outer shell 220 are respectively provided with a first opening 201 and a second opening 202 that matches the pen tip 262. The side wall of the outer shell 220 is provided with a locking port 203. The first opening 201, the second opening 202 and the locking port 203 are all in communication with the receiving cavity.

[0057] The pen refill 260 is inserted into the receiving cavity through the first opening 201. The reset member 240 is connected to the outer shell 220 and the pen refill 260 respectively, and the reset member 240 makes the pen refill 260 tend to move away from the outer shell 220.

[0058] The locking member 280 has a locking block 282 on its side. When the pen refill 260 is inserted into the receiving cavity, the upper end of the locking block 282 on the side of the locking member 280 engages with the upper side wall of the locking port 203, thereby achieving locking.

[0059] When this pen 200 is in use, after the pen refill 260 is used up, any object (e.g., a fingernail, a needle, etc.) is placed against the locking block 282 inside the locking port 203, causing the locking block 282 to move inward, thereby unlocking the locking member 280 and the locking port 203. At this time, the reset member 240 drives the pen refill 260 to move away from the outer casing 220, so that the new pen refill 260 and the locking member 280 can be inserted into the receiving cavity again through the first opening 201. The upper end of the locking block 282 on the side of the locking member 280 engages with the upper side wall of the locking port 203, thereby achieving locking. The outer casing 220, the pen refill 260 and the locking member 280 are locked together, completing the replacement of the pen refill 260.

[0060] Compared with traditional pens, the pen 200 of this invention allows for replacement of the pen refill 260 without disassembling the outer casing 220 after the refill 260 is used up, making it more convenient to use.

[0061] Referring to the accompanying drawings, in this embodiment, the reset member 240 is a spring sleeved around the pen refill 260. After the pen refill 260 is inserted into the receiving cavity through the first opening 201, the reset member 240 is elastically compressed, thereby causing the pen refill 260 to tend to move away from the outer casing 220.

[0062] In other embodiments, the reset member 240 may also be other elastic structures or two mutually repulsive magnets.

[0063] Preferably, in this embodiment, the locking member 280 includes a first pressing part 284, a locking part 286 and a connecting part 288 connected in sequence, and a latch 282 is disposed on the side of the locking part 286.

[0064] Specifically, in this embodiment, the locking member 280 is an integrally molded injection molded part.

[0065] Preferably, in this embodiment, the pen 200 further includes an unlocking member 290 movably disposed at the locking port 203. When the upper end of the locking block 282 on the side of the locking member 280 is engaged with the upper side wall of the locking port 203, the unlocking member 290 is used to abut against the locking block 282.

[0066] When unlocking, the unlocking component 290 moves at the locking port 203, thereby abutting against the locking block 282, causing the locking block 282 to move inward, thus unlocking the locking component 280 and the locking port 203.

[0067] More preferably, in this embodiment, the unlocking member 290 is slidably disposed at the locking port 203.

[0068] Specifically, in this embodiment, the unlocking member 290 includes a second pressing part 292 and a locking part 294. The second pressing part 292 extends through the locking port 203 from the receiving cavity and is partially exposed outside. The locking part 294 is disposed in the receiving cavity and locks against the side wall of the locking port 203.

[0069] Specifically, in this embodiment, the outer surface of the card block 282 is a curved surface or an inclined surface, and the thickness of the card block 282 gradually decreases from top to bottom.

[0070] The outer surface of the locking block 282 is curved or inclined, and the thickness of the locking block 282 gradually decreases from top to bottom, which makes it easier for the pen refill 260 and the locking member 280 to be inserted into the receiving cavity through the first opening 101, so that the upper end of the locking block 282 is engaged with the upper side wall of the locking port 203.

[0071] Preferred, combined Figure 8 In this embodiment, the outer shell 220 includes a cylindrical body 222, a cylindrical pressing member 224, and a pressing telescopic assembly.

[0072] The cylindrical pressing member 224 is slidably sleeved with the upper end of the cylindrical body 222, and part of the cylindrical pressing member 224 is exposed outside the outer shell 220.

[0073] The first opening 201 is located at the upper end of the cylindrical pressing member 224, the second opening 202 is located at the lower end of the cylindrical body 222, the locking opening 203 is located on the side wall of the cylindrical pressing member 224, the interior of the cylindrical pressing member 224 and the interior of the cylindrical body 222 together form a receiving cavity, and the pen tip 262 of the pen refill 260 penetrates the cylindrical pressing member 224 and is inserted into the cylindrical body 222.

[0074] The press-and-extend assembly is located between the upper end of the cylindrical press member 224 and the cylindrical body 222. The cylindrical body 222, the cylindrical press member 224, the press-and-extend assembly and the reset member 240 work together to realize the press-and-extend of the pen refill 260.

[0075] Referring to the accompanying drawings, more preferably, in this embodiment, the cylindrical pressing member 224 is sleeved on the upper end of the cylindrical body 222, and the pressing telescopic assembly includes a driving block 226 disposed on the outer side of the upper end of the cylindrical body 222 and a pressing telescopic structure 228 disposed on the inner side of the cylindrical pressing member 224.

[0076] The drive block 226 and the press-to-retract structure 228 cooperate to realize the press-to-retract mechanism of the pen refill 240. At this time, the pen 200 of this invention is a press-to-retract pen.

[0077] Specifically, referring to the accompanying drawings, the press-and-telescopic assembly also includes a rotating ring 225 rotatably fitted on the outer side of the upper end of the cylindrical body 222, and a drive block 226 is disposed on the rotating ring 225.

[0078] Since the specific principle of the press-and-retract component has been disclosed in the applicant's prior patent application, it will not be repeated in this utility model.

[0079] In the description of the embodiments of the present invention, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of the present invention. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0080] In the description of the embodiments of the present invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of the present invention based on the specific circumstances.

[0081] In embodiments of the present invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0082] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0083] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A pen, characterized in that, It includes a housing, a reset component, a pen refill, and a locking component mounted on the upper end of the pen refill; The pen refill has a pen tip, and the outer shell has a receiving cavity that matches the pen refill. The upper and lower ends of the outer shell are respectively provided with a first opening and a second opening that matches the pen tip. The side wall of the outer shell is provided with a locking port. The first opening, the second opening and the locking port are all in communication with the receiving cavity. The pen refill is inserted into the receiving cavity through the first opening. The reset member connects the outer shell and the pen refill respectively, and the reset member causes the pen refill to tend to move away from the outer shell. The locking component has a locking block on its side. When the pen refill is inserted into the receiving cavity, the upper end of the locking block on the side of the locking component engages with the upper side wall of the locking opening, thereby achieving locking.

2. The pen according to claim 1, characterized in that, The locking member has a spring piece on its side, and the locking block is located on the side of the spring piece facing outward; When the pen refill is inserted into the receiving cavity, the elastic deformation of the spring causes the locking block to engage with the locking slot, thereby achieving locking.

3. The pen according to claim 2, characterized in that, The locking component includes a connecting part fixedly connected to the upper end of the pen refill and a locking part. The locking part includes the spring piece and a cylindrical sidewall with a notch. The spring piece is disposed at the notch. One end of the spring piece is connected to the cylindrical sidewall, and the other end of the spring piece and both ends of the spring piece are separated from the cylindrical sidewall.

4. The pen according to claim 3, characterized in that, The locking component further includes a first pressing part, the first pressing part, the locking part and the connecting part are connected in sequence, and the locking component is integrally formed.

5. The pen according to any one of claims 1 to 4, characterized in that, The pen also includes an unlocking component movably disposed at the locking port. When the upper end of the latch block on the side of the locking component engages with the upper side wall of the locking port, the unlocking component is used to abut against the latch block.

6. The pen according to claim 5, characterized in that, The unlocking component is slidably disposed at the locking port; The unlocking component includes a second pressing part and a locking part. The second pressing part extends through the locking port from the receiving cavity and is partially exposed outside. The locking part is disposed in the receiving cavity and engages with the side wall of the locking port.

7. The pen according to claim 6, characterized in that, The outer surface of the card block is curved or inclined, and the thickness of the card block gradually decreases from top to bottom.

8. The pen according to any one of claims 1 to 4, characterized in that, The outer shell includes a cylindrical body, a cylindrical pressing element, and a pressing telescopic assembly; The cylindrical pressing member is slidably sleeved with the upper end of the cylindrical body, and part of the cylindrical pressing member is exposed outside the outer shell; The first opening is located at the upper end of the cylindrical pressing member, the second opening is located at the lower end of the cylindrical body, the locking port is located on the side wall of the cylindrical pressing member, the interior of the cylindrical pressing member and the interior of the cylindrical body together form the receiving cavity, and the pen tip of the pen refill penetrates the cylindrical pressing member and is inserted into the cylindrical body; The press-and-extend assembly is disposed between the upper end of the cylindrical press member and the cylindrical body. The cylindrical body, the cylindrical press member, the press-and-extend assembly, and the reset member cooperate to realize the press-and-extend of the pen refill.

9. The pen according to claim 8, characterized in that, The cylindrical pressing member is sleeved on the upper end of the cylindrical body, and the pressing telescopic assembly includes a driving block disposed on the outer side of the upper end of the cylindrical body and a pressing telescopic structure disposed on the inner side of the cylindrical pressing member.

10. The pen according to claim 8, characterized in that, The cylindrical pressing member is sleeved inside the upper end of the cylindrical body, and the pressing telescopic assembly includes a driving block disposed on the outside of the cylindrical pressing member and a pressing telescopic structure disposed on the inner side of the upper end of the cylindrical body.

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