Assembling assembly and pen

Abstract

The utility model relates to the technical field of stationery, in particular to an assembling assembly and a pen. The assembling assembly comprises a first part and a second part, the first part is provided with a first positioning piece and a second positioning piece, the first positioning piece and the second positioning piece are arranged in a spaced mode in the first direction to form an inserting groove, and the inserting groove extends in the second direction; the second part is provided with an insertion part, a first clamping part and a second clamping part are arranged on the two sides of the insertion part in the third direction respectively, a first clamping space and a second clamping space are formed between the first clamping part and the second clamping part, and the first clamping space and the second clamping space are arranged on the two sides of the insertion part in the first direction at intervals; the inserting part is inserted and fixed in the inserting groove, the first positioning piece is limited in the first clamping space, the second positioning piece is limited in the second clamping space, the first component and the second component can be limited in the first direction, the second direction and the third direction, and therefore the assembly firmness between the first component and the second component can be effectively improved.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to the technical field of stationery, in particular to an assembly component and a pen. BACKGROUND

[0002] In the related art, when two or more small parts are matched, they are prone to come off due to loose assembly, falling or separation during use by consumers. The small parts that fall off are easy to be lost and mistaken for food by children, affecting the use experience and safety of consumers. CONTENT OF THE UTILITY MODEL

[0003] The purpose of the present disclosure is to provide an assembly component and a pen to improve the assembly firmness between different parts.

[0004] To achieve the above purpose, the present disclosure provides an assembly component, comprising a first component and a second component, the first component is provided with a first positioning member and a second positioning member, the first positioning member and the second positioning member are arranged along a first direction to form a slot, the slot extends along a second direction; the second component is provided with an insertion part, the insertion part is provided with a first clamping part and a second clamping part on both sides along a third direction, respectively, the first clamping part and the second clamping part form a first clamping space and a second clamping space, the first clamping space and the second clamping space are arranged on both sides of the insertion part along the first direction; the insertion part is inserted and fixed in the slot, the first positioning member is limited in the first clamping space, and the second positioning member is limited in the second clamping space, wherein the first direction, the second direction and the third direction are perpendicular to each other.

[0005] In an embodiment of the present disclosure, the surface of the first positioning member facing the second positioning member is provided with a first protruding part, and the surface of the second positioning member facing the first positioning member is provided with a second protruding part; the insertion part is provided with a first hook part and a second hook part on both sides along the first direction, respectively, the first protruding part can abut against the first hook part, and the second protruding part can abut against the second hook part to limit the movement of the second component relative to the first component along the second direction.

[0006] In an embodiment of the present disclosure, the surface of the first positioning member facing the second positioning member is provided with a first inclined surface, and the surface of the second positioning member facing the first positioning member is provided with a second inclined surface, so that the slot of the slot is formed as an expanded part.

[0007] In one embodiment of the present disclosure, the insertion portion is provided with a first guide slope and a second guide slope on both sides of the first direction, the first guide slope is provided obliquely from the first hook portion to the free end of the insertion portion, the second guide slope is provided obliquely from the second hook portion to the free end of the insertion portion, and the minimum distance between the first guide slope and the second guide slope gradually decreases from the end of the first guide slope close to the first hook portion to the free end of the insertion portion.

[0008] In one embodiment of the present disclosure, the first positioning member is in interference fit with the first clamping space, and the second positioning member is in interference fit with the second clamping space.

[0009] In one embodiment of the present disclosure, the first component includes a housing provided with an opening having a bottom wall, a first side wall and a second side wall, the first side wall and the second side wall being oppositely arranged at both ends of the bottom wall along the first direction; the inner surface of the housing is provided with a boss, the first positioning member and the second positioning member are arranged on the boss; and at least part of the second component is limited in the opening.

[0010] In one embodiment of the present disclosure, the first clamping portion is in abutment with the bottom wall, and a gap is provided between the second clamping portion and the boss.

[0011] In one embodiment of the present disclosure, the distance between the bottom wall and the upper surface of the first positioning member is smaller than the distance between the boss and the first positioning member.

[0012] In one embodiment of the present disclosure, the housing has an axial direction, the number of bosses is two, the first positioning member and the second positioning member are arranged on each boss; the second component is a structure of axial symmetry, the symmetry axis of the second component is parallel to the axial direction of the housing; and the insertion portion is arranged on both sides of the symmetry axis of the second component.

[0013] Based on the above purpose, the present disclosure further provides a pen including a pen barrel and the assembly component, and the pen barrel is connected with the first component.

[0014] The present disclosure has the following beneficial effects:

[0015] The assembly component provided by the present disclosure can realize the limiting of the first component and the second component in the second direction by inserting the insertion portion into the insertion slot, the first positioning member is limited in the first clamping space, the second positioning member is limited in the second clamping space, and the limiting of the first component and the second component in the first direction and the third direction can be realized, so that the assembly firmness between the first component and the second component can be effectively improved, and the risk of the first component separating from the second component can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the specific embodiments or the prior art of the present disclosure, the drawings needed to be used in the specific embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present disclosure, and other drawings can be obtained by a person of ordinary skill in the art without creative effort on the basis of these drawings.

[0017] Figure 1 A perspective view of an assembly provided by an embodiment of the present disclosure is shown in FIG. 1.

[0018] Figure 2 A side view of the assembly provided by the embodiment of the present disclosure is shown in FIG. 2.

[0019] Figure 3 A perspective view of a first component in the assembly provided by the embodiment of the present disclosure is shown in FIG. 3. Figure 2 A sectional view of the assembly along line A-A is shown in FIG. 4.

[0020] Figure 4 A sectional view of the assembly along line B-B is shown in FIG. 5. Figure 2 A perspective view of a second component in the assembly provided by the embodiment of the present disclosure is shown in FIG. 6.

[0021] Figure 5 A perspective view of the first component in the assembly provided by the embodiment of the present disclosure is shown in FIG. 7.

[0022] Figure 6 A side view of the first component in the assembly provided by the embodiment of the present disclosure is shown in FIG. 8. Figure 1

[0023] Figure 7 An enlarged view of a portion of the assembly at C is shown in FIG. 9. Figure 6

[0024] A side view of the first component in the assembly provided by the embodiment of the present disclosure is shown in FIG. 10. Figure 8 Figure 2 A sectional view of the assembly along line D-D is shown in FIG. 11.

[0025] Figure 9 Figure 8 A perspective view of the second component in the assembly provided by the embodiment of the present disclosure is shown in FIG. 12.

[0026] Figure 10 A bottom view of the second component in the assembly provided by the embodiment of the present disclosure is shown in FIG. 13.

[0027] Figure 11 A front view of the second component in the assembly provided by the embodiment of the present disclosure is shown in FIG. 14.

[0028] Figure 12 A front view of the second component in the assembly provided by the embodiment of the present disclosure is shown in FIG. 15.

[0029] Figure 13 A front view of the second component in the assembly provided by the embodiment of the present disclosure is shown in FIG. 16.​​​Figure 12 A cross-sectional view along the EE line;

[0030] Figure 14 Schematic diagram of the internal structure of the assembly component provided in the embodiments of this disclosure in the assembled state. Figure 1 ;

[0031] Figure 15 Schematic diagram of the internal structure of the assembly component provided in the embodiments of this disclosure in the assembled state. Figure 2 ;

[0032] Figure 16 for Figure 15 A magnified view of a section at point F.

[0033] The annotations in the attached figures are explained as follows:

[0034] 10-First component; 11-First positioning element; 111-First protrusion; 112-First inclined surface; 12-Second positioning element; 121-Second protrusion; 122-Second inclined surface; 13-Slot; 14-Housing shell; 141-Opening; 1411-Bottom wall; 1412-First side wall; 1413-Second side wall; 142-Boss; 143-Window; 20-Second component; 21-Insertion part; 211-First hook part; 2111-First stop surface; 212-Second hook part; 2121-Second stop surface; 213-First guide inclined surface; 214-Second guide inclined surface; 22-First clamping part; 23-Second clamping part; 231-Reinforcing rib; 241-First clamping space; 242-Second clamping space; 25-Bent plate; 26-Decorative structure. Detailed Implementation

[0035] The technical solutions of this disclosure will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this disclosure, not all embodiments. Based on the embodiments of this disclosure, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this disclosure.

[0036] In the description of this disclosure, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this disclosure 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, and therefore should not be construed as a limitation of this disclosure. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0037] In the description of the present disclosure, it should be explained that, unless otherwise explicitly specified and limited, the terms such as "mounting", "connection", "connecting" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present disclosure can be understood according to the specific circumstances.

[0038] Referring to Figures 1 to 16 As shown in the figure, the embodiment provides an assembly component, which comprises a first component 10 and a second component 20, the first component 10 is provided with a first positioning member 11 and a second positioning member 12, the first positioning member 11 and the second positioning member 12 are arranged along a first direction to form a slot 13, the slot 13 extends along a second direction; the second component 20 is provided with an insertion part 21, the insertion part 21 is provided with a first clamping part 22 and a second clamping part 23 on both sides along a third direction, respectively, the first clamping part 22 and the second clamping part 23 form a first clamping space 241 and a second clamping space 242, the first clamping space 241 and the second clamping space 242 are arranged on both sides of the insertion part 21 along the first direction; the insertion part 21 is inserted and fixed in the slot 13, the first positioning member 11 is limited in the first clamping space 241, and the second positioning member 12 is limited in the second clamping space 242; wherein, referring to Figures 2 to 4 As shown in the figure, the arrow direction D1 represents the first direction, the arrow direction D2 represents the second direction, and the arrow direction D3 represents the third direction. The first direction, the second direction and the third direction are perpendicular to each other.

[0039] The assembly component provided by the embodiment can realize the limiting of the first component 10 and the second component 20 in the second direction by inserting and fixing the insertion part 21 in the slot 13, the first positioning member 11 is limited in the first clamping space 241, and the second positioning member 12 is limited in the second clamping space 242, which can realize the limiting of the first component 10 and the second component 20 in the first direction and the third direction, thereby effectively improving the assembly firmness between the first component 10 and the second component 20, and reducing the risk of the first component 10 separating from the second component 20.

[0040] For example, the first component 10 can be a main body, and the second component 20 can be a decorative part. The first component 10 and the second component 20 are separately manufactured and then assembled together, which can enhance the diversity of the decorative part to provide more decorative parts with different shapes and colors.

[0041] In some embodiments, the materials of the first component 10 and the second component 20 can both be plastic, which are respectively formed by injection molding.

[0042] In one embodiment, the first positioning member 11 is provided with a first protruding part 111 on the surface facing the second positioning member 12, and the second positioning member 12 is provided with a second protruding part 121 on the surface facing the first positioning member 11; the insertion part 21 is provided with a first hook part 211 and a second hook part 212 on both sides along the first direction, the first protruding part 111 can abut against the first hook part 211, and the second protruding part 121 can abut against the second hook part 212, so as to limit the movement of the second component 20 relative to the first component 10 along the second direction.

[0043] For example, as shown in Figures 5 to 7 The facing surfaces of the first protruding part 111 and the second protruding part 121 are arc surfaces, which facilitates assembly. For example, as shown in Figure 13 and Figure 16 The first hook part 211 has a first stop surface 2111, and the second hook part 212 has a second stop surface 2121; when the insertion part 21 is inserted into the insertion slot 13, the first protruding part 111 can abut against the first stop surface 2111, and the second protruding part 121 can abut against the second stop surface 2121, so as to limit the movement of the second component 20 away from the first component 10.

[0044] For example, along the first direction, the size of the first protruding part 111 protruding from the first positioning member 11 can be 0.07-0.1 mm, the size of the second protruding part 121 protruding from the second positioning member 12 can be 0.07-0.1 mm, and the distance between the two ends of the arc surface can be 1.2 mm.

[0045] For example, the size of the first protruding part 111 protruding from the first positioning member 11 is 0.07 mm, the size of the second protruding part 121 protruding from the second positioning member 12 is 0.07 mm, and the distance between the two ends of the arc surface is 1.2 mm, and accordingly the radius of the arc surface is 2.04 mm.

[0046] In one embodiment, as shown in Figure 6 and Figure 16 The first positioning member 11 is provided with a first inclined surface 112 on the surface facing the second positioning member 12, and the second positioning member 12 is provided with a second inclined surface 122 on the surface facing the first positioning member 11; the first inclined surface 112 is located at the free end of the first positioning member 11, and the second inclined surface 122 is located at the free end of the second positioning member 12, so as to form a flared part at the opening of the insertion slot 13. In this way, the insertion part 21 can be inserted into the insertion slot 13.

[0047] For example, the first inclined surface 112 is located at the end of the first protrusion 111 away from the first hook 211, and the second inclined surface 122 is located at the end of the second protrusion 121 away from the second hook 212. During assembly, the insertion part 21 is aligned with the slot 13. As the insertion part 21 is inserted into the slot 13, the first hook 211 passes through the first protrusion 111, and at the same time, the second hook 212 passes through the second protrusion 121, until the first hook 211 is located on the side of the first protrusion 111 away from the first inclined surface 112, and the second hook 212 is located on the side of the second protrusion 121 away from the second inclined surface 122.

[0048] In one embodiment, see Figure 10 , Figure 13 and Figure 16 As shown, the insertion part 21 is provided with a first guide slope 213 and a second guide slope 214 on both sides along the first direction. The first guide slope 213 is inclined from the first hook part 211 toward the free end of the insertion part 21, and the second guide slope 214 is inclined from the second hook part 212 toward the free end of the insertion part 21. The minimum distance W between the first guide slope 213 and the second guide slope 214 gradually decreases from the end of the first guide slope 213 near the first hook part 211 toward the free end of the insertion part 21. This makes the cross-sectional area of ​​the free end of the insertion part 21 smaller. At the same time, the first guide slope 213 and the second guide slope 214 are adapted to the first slope 112 and the second slope 122, respectively. When the insertion part 21 is inserted into the slot 13, it can play a guiding role, making it easy for the insertion part 21 to be smoothly inserted into the slot 13.

[0049] In one embodiment, see Figure 3 As shown, the first positioning member 11 is interference-fitted with the first clamping space 241, and the second positioning member 12 is interference-fitted with the second clamping space 242. For example, the interference on one side between the first positioning member 11 and the first clamping space 241 is 0.07mm, and the interference on one side between the second positioning member 12 and the second clamping space 242 is 0.07mm.

[0050] In this embodiment, see Figure 11As shown, the insertion portion 21, the first clamping portion 22 and the second clamping portion 23 jointly form a I-shaped structure, in the field of view, the right side surface of the insertion portion 21 and the mutually close surfaces of the first clamping portion 22 and the second clamping portion 23 enclose a first clamping space 241, the left side surface of the insertion portion 21 and the mutually close surfaces of the first clamping portion 22 and the second clamping portion 23 enclose a second clamping space 242, and the right side surface and the left side surface of the insertion portion 21 and the mutually close surfaces of the first clamping portion 22 and the second clamping portion 23 all have slopes, so that the entrances of the first clamping space 241 and the second clamping space 242 are in an open state, facilitating assembly, and when the first positioning member 11 and the second positioning member 12 are inserted into position, interference fit can be achieved. At the same time, the cooperation of the first protruding portion 111 and the first hook portion 211 and the cooperation of the second protruding portion 121 and the second hook portion 212 also obviously improve the tightness of the cooperation of the first component and the second component.

[0051] The tensile meter is used for measurement, and when the tensile force is about 4 kg, the first component 10 and the second component 20 still will not be loose, indicating that the assembly structure provided by the embodiment has strong assembly firmness and can meet the use requirements of consumers.

[0052] In one embodiment, referring to Figures 5 to 9 As shown, the first component 10 includes a shell 14, the shell 14 is provided with an opening 141, the opening 141 has a bottom wall 1411, a first side wall 1412 and a second side wall 1413, the first side wall 1412 and the second side wall 1413 are oppositely arranged at both ends of the bottom wall 1411 along a first direction; the inner surface of the shell 14 is provided with a boss 142, the first positioning member 11 and the second positioning member 12 are arranged on the boss 142; at least part of the second component 20 is limited in the opening 141.

[0053] For example, the shell 14 is generally spherical, and the opening 141 can be an arc-shaped or U-shaped opening. The second component 20 includes a bent plate 25, the contour of the bent plate 25 is matched with the shape of the opening 141, so as to ensure that the bent plate 25 can be limited in the opening 141. The upper surface of the boss 142 is below the bottom wall 1411.

[0054] It should be understood that, referring to Figure 10 As shown, the second component 20 can also include a decorative structure 26, the decorative structure 26 is connected with the bent plate 25, and the decorative structure 26 is located outside the shell 14. For example, the decorative structure 26 is integrally formed with the bent plate 25.

[0055] It should be noted that the shape of the shell 14 is not limited to the above, and the decorative structure 26 is also not limited to Figure 10 the structure shown.

[0056] Exemplarily, the bottom wall 1411 and the first side wall 1412 are smoothly connected, and the bottom wall 1411 and the second side wall 1413 are smoothly connected.

[0057] In one embodiment, referring to Figure 14 As shown, the first clamping part 22 abuts against the bottom wall 1411, and the second clamping part 23 is arranged in a gap with the boss 142. In this way, the assembly can be facilitated, specifically, during the process of inserting the insertion part 21 into the insertion slot 13, the insertion speed can be improved until the first clamping part 22 abuts against the bottom wall 1411, and then the assembly can be stopped, so as to avoid the phenomenon that the shell 14 and the outer surface of the bent plate 25 are obviously misaligned due to excessive insertion. At the same time, the second clamping part 23 is arranged in a gap with the boss 142, which can also reduce the risk of assembly failure caused by dimensional errors.

[0058] Exemplarily, the free end of the first clamping part 22 is arc-shaped and matches the contour of the bottom wall 1411, so that a substantially continuous outer surface can be formed after assembly, with small gaps and better aesthetics; the free end of the second clamping part 23 can also be arc-shaped. The surface of the boss 142 abutting against the second clamping part 23 can be a plane or an arc surface matching the free end of the second clamping part 23.

[0059] In one embodiment, the distance between the bottom wall 1411 and the upper surface of the first positioning member 11 is less than the distance between the boss 142 and the first positioning member 11. In this way, the first clamping part 22 can abut against the bottom wall 1411, the second clamping part 23 can be arranged in a gap with the boss 142, and the contact area between the second clamping part 23 and the first positioning member 11 can be large, which, in combination with the interference fit between the first positioning member 11 and the first clamping space 241, can further enhance the tightness.

[0060] Referring to Figure 10 As shown, the second clamping part 23 is provided with a reinforcing rib 231, and the reinforcing rib 231 is integrally formed with the insertion part 21.

[0061] In one embodiment, referring to Figure 5 As shown, the shell 14 has an axial direction, the number of the bosses 142 is two, each of the bosses 142 is provided with the first positioning member 11 and the second positioning member 12, and the first positioning member 11 and the second positioning member 12 on each of the bosses 142 form the insertion slot 13; the second component 20 is a structure symmetrical about an axis, the axis of symmetry of the second component 20 is parallel to the axial direction of the shell 14; and the insertion part 21 is arranged on both sides of the axis of symmetry of the second component 20.

[0062] The axial direction of the shell 14 is consistent with the second direction. When the second component 20 is connected with the first component 10, the two insertion portions 21 of the second component 20 are respectively inserted into the slots 13 in the corresponding positions of the first component 10, thereby further enhancing the assembly firmness.

[0063] The second component 20 has an axial symmetry structure, which can improve the assembly efficiency, and the direction does not need to be confirmed during assembly, and the phenomenon of product damage caused by improper assembly can be avoided, thereby improving the yield.

[0064] It should be noted that the second component can also have an asymmetric structure, and at this time, an anti-error structure can be provided to prevent misassembly.

[0065] The assembly component provided in the embodiment can be applied to stationery, such as a pen or a lead box.

[0066] The embodiment further provides a pen including a pen barrel and the assembly component provided in the embodiment, and the pen barrel is connected with the first component 10.

[0067] The pen provided in the embodiment further includes a lead (not shown in the figure), and the lead is installed in the pen barrel. One end of the pen barrel is connected with the first component 10, and the other end of the pen barrel is detachably provided with a tail plug, for example, the tail plug is threadedly connected with the pen barrel and is used for fixing the lead; when the lead needs to be replaced, the tail plug can be removed, and after the lead is replaced, the tail plug is installed on the pen barrel.

[0068] For example, the pen provided in the embodiment can be a rollerball pen. The rollerball pen further includes an inner liner (not shown in the figure), and the inner liner is installed in the first component 10 and can rotate relative to the first component 10, but the inner liner does not separate from the first component during normal use. The pen barrel and the inner liner can be connected in a plug-in manner, and when the inner liner is sleeved on the pen barrel, one end of the pen barrel can rotate relative to the first component 10, thereby driving the inner liner to rotate. When the inner liner separates from the pen barrel, writing can be performed.

[0069] When the pen is a rollerball pen, the shell 14 of the first component 10 is provided with a window 143, and the outer surface of the inner liner is provided with different patterns or colors. With the rotation of the pen barrel relative to the first component 10, the inner liner is driven to rotate, and the patterns or colors seen from the window 143 are different, which facilitates the user to identify and increases the aesthetic and interesting nature.

[0070] It should be noted that the structures of the inner liner, the lead and the rollerball pen should be understood by those skilled in the art, and are well known and easy to implement for those skilled in the art, and therefore the embodiment will not be described in detail.

[0071] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present disclosure, and are not intended to limit the present disclosure; although the present disclosure has been described in detail with reference to the above embodiments, those skilled in the art should understand that the technical solutions recorded in the above embodiments can still be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present disclosure.

Claims

1. An assembly, comprising: The first component is provided with a first positioning member and a second positioning member, the first positioning member and the second positioning member are spaced apart along a first direction to form a slot, the slot extends along a second direction; the second component is provided with an insertion part, the insertion part is provided with a first clamping part and a second clamping part on both sides along a third direction, the first clamping part and the second clamping part form a first clamping space and a second clamping space, the first clamping space and the second clamping space are spaced apart on both sides of the insertion part along the first direction; the insertion part is inserted and fixed in the slot, the first positioning member is limited in the first clamping space, and the second positioning member is limited in the second clamping space, wherein the first direction, the second direction and the third direction are perpendicular to each other.

2. The assembly of claim 1, wherein, The surface of the first positioning member facing the second positioning member is provided with a first protruding part, and the surface of the second positioning member facing the first positioning member is provided with a second protruding part; the insertion part is provided with a first hook part and a second hook part on both sides along the first direction, the first protruding part can abut against the first hook part, and the second protruding part can abut against the second hook part, so as to limit the movement of the second component relative to the first component along the second direction.

3. The assembly of claim 1, wherein, The surface of the first positioning member facing the second positioning member is provided with a first inclined surface, and the surface of the second positioning member facing the first positioning member is provided with a second inclined surface, so that the slot opening of the slot forms a flared part.

4. The assembly of claim 2, wherein, The insertion part is provided with a first guide inclined surface and a second guide inclined surface on both sides along the first direction, the first guide inclined surface is inclinedly arranged from the first hook part to the free end of the insertion part, the second guide inclined surface is inclinedly arranged from the second hook part to the free end of the insertion part, and the minimum distance between the first guide inclined surface and the second guide inclined surface gradually decreases from the end of the first guide inclined surface close to the first hook part to the free end of the insertion part.

5. The assembly of claim 1, wherein, The first positioning member is in interference fit with the first clamping space, and the second positioning member is in interference fit with the second clamping space.

6. The assembly of any one of claims 1 to 5, wherein, The first component includes a shell, the shell is provided with an opening, the opening has a bottom wall, a first side wall and a second side wall, the first side wall and the second side wall are oppositely arranged on both ends of the bottom wall along a first direction; The inner surface of the shell is provided with a boss, and the first positioning member and the second positioning member are arranged on the boss; at least part of the second component is limited in the opening.

7. The assembly of claim 6, wherein, The first clamping part abuts against the bottom wall, and the second clamping part is provided with a gap between the boss.

8. The assembly of claim 6, wherein, The distance between the bottom wall and the upper surface of the first positioning member is smaller than the distance between the boss and the first positioning member.

9. The assembly of claim 6, wherein, The shell has an axial direction, the number of bosses is two, the first positioning member and the second positioning member are arranged on each boss; the second component is a symmetrical structure, the symmetry axis of the second component is parallel to the axial direction of the shell; the symmetry axis of the second component is provided with the insertion part on both sides.

10. A pen characterized by comprising a pen barrel and the assembly of any of claims 1 to 9, the pen barrel being connected with the first component.

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