Projection lamp
By setting up isolation parts on the base of the projection lamp to isolate the lamp beads, the problem of scald risk and shortened service life during the use of the projection lamp is solved, and safety and reliability are improved.
Patent Information
- Application Number
- CN202421089205.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-05-17
AI Technical Summary
When existing projector lamps are used for a long time, the heating of the lamp beads causes the service life of the cover and projector film to be shortened, and the risk of accidentally touching and burning when replacing the projector film.
A projection lamp is designed to isolate the lamp beads to prevent the risk of scalding by providing isolation on the base. The isolating portion of the isolator is located above the light source assembly to prevent the user from touching the light source assembly.
It effectively avoids the risk of scalding caused by touching the lamp beads when changing the projector film, and extends the service life of the projector lamp.
Smart Images

Figure CN222543790U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lamps, in particular to a projection lamp. Background Art
[0002] Existing projection lamps are usually composed of lamp beads and a cover with a slide, and their working principle is: the light emitted by the lamp beads is projected onto the cover, and then the light can pass through the slide on the cover to project a preset projection pattern outward. However, the lamp beads currently used are high-brightness light-emitting bodies, which cause the lamp beads to continue to heat up during use, and to avoid light leakage, the cover is usually sealed outside the lamp beads. Therefore, if the projection lamp is used for a long time, the heat generated by the lamp beads will be transferred to the cover, which not only affects the service life of the cover and the slide, but also increases the risk of burns caused by accidentally touching the lamp beads or the cover when the user changes the slide. Therefore, it is necessary to design a new projection lamp to overcome the above problems. Utility Model Content
[0003] The present application aims to at least solve the technical problems existing in the background technology. To this end, the present application proposes a projection lamp, which can isolate the lamp beads through an isolation piece to prevent the risk of burns caused by replacing the projection film or touching the lamp beads.
[0004] In order to achieve the above purpose, the utility model adopts the following technical means:
[0005] A projection lamp comprises: a base, a light source assembly fixedly connected to the base; a cover body and a projection sheet arranged on the cover body, the cover body covering the top of the light source assembly; an isolating member, the isolating member is fixedly connected to the base and has an isolating portion, the isolating portion is located above the light source assembly, the isolating portion prevents the light source assembly from being touched when the projection sheet is replaced.
[0006] Furthermore, the isolation member also includes a base, wherein the isolation portion is plate-shaped and is located above the light source assembly, the base is connected to the edge of the isolation portion and extends toward the light source assembly, and the isolation portion and the base form a cavity for accommodating the light source assembly.
[0007] Furthermore, the isolation portion is made of a light-transmitting material and covers the light source assembly. A first fixing member is fixed on the base. The first fixing member has a protruding fixing portion. The isolation portion is fixedly connected to the first fixing member through a mounting member.
[0008] Furthermore, the isolation portion is provided with an opening through which the light source of the light source assembly is emitted; a second fixing member is fixed on the base, and a snap-fitting portion protrudes from the second fixing member, and the snap-fitting portion passes through the light source assembly to be snap-fitted and connected with the isolation portion.
[0009] Furthermore, the isolation member is columnar, the isolation portion is plate-shaped and is located above the light source assembly, a convex portion extends from the isolation portion toward the light source assembly, an axis portion is fixed on the base, and the axis portion passes through the light source assembly to be fixedly connected to the convex portion.
[0010] Furthermore, a rotating assembly is fixed on the base, the rotating assembly includes a motor, the shaft is located on the motor, and the protrusion is fixedly connected to the shaft via a mounting member.
[0011] Furthermore, it also includes a connector disposed in the base and a power supply component electrically connected to the rotating component. The connector includes a connecting portion that is fixed to the base and through which the rotating component passes. The connector also includes a bending portion that is bent downward and fixed to the power supply component.
[0012] Furthermore, the slide is arranged in the inner cavity of the isolation member and also includes a third fixing member fixed on the base. The third fixing member is covered on the light source assembly and has an installation space for partially accommodating the isolation member. The installation space is provided with a light-transmitting hole for the light source of the light source assembly to emit.
[0013] Furthermore, it also includes a power supply component, a rotating component and a fixing component arranged in the base, the rotating component includes a motor and a rotating seat, the motor has a protruding shaft portion to engage with a preset gear ring of the rotating seat to drive the rotating seat to rotate, the fixing component is connected and fixed to the base through a preset fixing column of the base, the fixing component is recessed downward to accommodate an installation space for accommodating the rotating disk, the isolating component and the light source component are located in a preset groove of the rotating seat, and the isolating component is fixedly connected to the fixing component.
[0014] Furthermore, the cover body is fixed on the rotating seat, wherein a plurality of limiting parts protrude from the lower edge of the cover body, and the plurality of limiting parts include a vertical section extending vertically downward, and a horizontal section extending horizontally from the end of the vertical section, and the surface of the rotating seat is provided with corresponding slots for accommodating the plurality of limiting parts, wherein a plurality of corresponding slots are opened for the plurality of horizontal sections to pass through.
[0015] The beneficial effect of this solution is as follows: by arranging an isolating member on the base of the projection lamp, wherein the isolating portion of the isolating member is arranged above the light source assembly to separate the light source assembly, thereby preventing the user from touching the light source assembly when replacing the projection film, and effectively avoiding the risk of burns caused by easily touching the lamp beads when replacing parts. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The present application is further described below with reference to the accompanying drawings and embodiments, wherein:
[0017] Figure 1 This is a front view of the first embodiment of the present application;
[0018] Figure 2 for Figure 1 Section view along line AA;
[0019] Figure 3 It is a top view of the combination of the rotating seat, the first fixing member and the isolating member in the first embodiment;
[0020] Figure 4 for Figure 3 Sectional view along line DD;
[0021] Figure 5 for Figure 3 3D exploded view of
[0022] Figure 6 for Figure 1 3D exploded view of
[0023] Figure 7 It is a bottom view of the rotating seat;
[0024] Figure 8 This is a front view of the second embodiment of the present application;
[0025] Fig. 9 for Figure 8 Sectional view along line BB;
[0026] Fig.10 It is a top view of the assembly of the rotating seat, the first fixing member and the isolating member in the second embodiment;
[0027] Fig.11 for Fig.10 3D exploded view of
[0028] Fig.12 for Fig.11 Another perspective of the three-dimensional exploded view;
[0029] Fig.13 for Figure 8 3D exploded view of
[0030] Fig.14 This is a front view of the third embodiment of the present application;
[0031] Fig.15 for Fig.14 Sectional view along line CC;
[0032] Fig.16 for Fig.14 3D exploded view of
[0033] Fig.17 It is a combination diagram of the isolation part, light source assembly and connecting parts.
[0034] Description of the accompanying drawings of the specific embodiments:
[0035] DETAILED DESCRIPTION
[0036] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.
[0037] In the description of the present application, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.
[0038] The following is an introduction to the embodiments of the present application in conjunction with the accompanying drawings:
[0039] refer to Figures 1 to 13 , are the first embodiment and the second embodiment of the projection lamp 100 of the present application, wherein Figure 1-Figure 7This is the first embodiment of the present application. The projection lamp 100 of the present application mainly includes a base 1, a light source assembly 4 fixedly connected to the base 1, a cover body 6, a fixing member, an isolating member 5 and a projection film 7 arranged on the cover body 6; in this embodiment, the fixing member is a first fixing member 2, the base 1 and the first fixing member 2 form a cavity a, the first fixing member 2 is connected and fixed to the base 1 through a fixing column (not marked in the figure) preset in the base 1, wherein the first fixing member 2 includes an installation space b recessed downward from the middle thereof, an opening 21 penetrating the bottom wall of the first fixing member 2 from top to bottom and a through-hole 22 located on one side of the opening 21 are provided in the installation space b, wherein the opening 21 is located in the middle of the installation space b and the diameter of the opening 21 is larger than the diameter of the through-hole 22, and the installation space b is connected and arranged with the cavity a; the first fixing member 2 also includes a plurality of clamping portions 23, a plurality of protruding portions 24 and a plurality of fixing portions 25 extending upward from the bottom wall of the first fixing member 2, and the plurality of the clamping portions 23 and the fixing portions 25 are provided. 25 is located in the installation space b and is axially spaced around the opening 21, and the connecting line between the plurality of the clamping portions 23 is triangular, wherein the plurality of the clamping portions 23 are elastic hooks, and the bottom wall of the first fixing member 2 is provided with a clearance groove 26 for elastic deformation of the clamping portion 23 at the connection position corresponding to the clamping portion 23; in addition, the first fixing member 2 also includes a limiting portion 27 protruding from the bottom of the installation space b, and the limiting portion 27 is an annular structure in this embodiment, and surrounds the clamping portion 23 and the protruding portion 24 is provided, the through opening 22 is located outside the limiting portion 27, the extension height of the limiting portion 27 is lower than the extension height of the holding portion 23, wherein a plurality of elastic blocks 28 are arranged at intervals along the circumferential direction of the limiting portion 27, in other embodiments, the elastic blocks 28 may also be provided with other abutment structures such as convex humps as needed, the first fixing member 2 is recessed along the circumferential direction from its outer surface to form a plurality of buckling portions 29, in addition, in other embodiments, the base 1 and the fixing member may be designed as a whole as needed, which is not limited here.
[0040] refer to Figure 2-Figure 7As shown, it also includes a rotating component 3 and a power supply component (not marked in the figure) electrically connected to the rotating component 3, the power supply component is arranged in the cavity a, the rotating component 3 includes a motor 31 and a rotating seat 32, the rotating seat 32 includes a slot 321 running through the upper and lower surfaces thereof and a multi-step portion 322 extending upward around the slot 321, a ring portion 323 protrudes downward from the bottom of the rotating seat 32, the rotating seat 32 is located in the installation space b, a plurality of the clamping portions 23 and the protruding portions 24 protrude from the slot 321, and a plurality of the clamping portions 23 are clamped on the surface of the step portion 322, the limiting portion 27 accommodates the ring portion 323, and the elastic block 28 is fixedly abutted against the outer wall of the ring portion 323, The holding portion 23 and the limiting portion 27 jointly restrict the rotating seat 32 from being separated from the first fixing member 2. The top surface of the rotating seat 32 is not higher than the top surface of the first fixing member 2. In addition, a gear ring 324 protrudes downward from the bottom of the rotating seat 32 and is arranged around the periphery of the ring portion 323. The motor 31 is provided with a shaft portion 311 with a gear. The shaft portion 311 protrudes out of the through opening 22 and meshes with the gear ring 324, so that the motor 31 drives the rotating seat 32 to rotate. In addition, a plurality of slots are provided on the surface of the rotating seat 32 around the slot 321, and the slots include a first slot 325 extending vertically and a second slot 326 connected to the end of the first slot 325 and extending laterally.
[0041] like Figure 5 As shown, the light source assembly 4 is electrically connected to a main board 41, and the light source assembly 4 includes a lamp board 42 and a plurality of lamp beads 43 fixed on the lamp board 42. The lamp board 42 is located in the slot 321 and is fixedly connected to the protruding portion 24 by screws. The lamp board 42 is arranged not higher than the upper surface of the rotating seat 32. In this embodiment, the protruding portion 24 is columnar and has an internal thread for screw matching (not shown). In other embodiments, the protruding portion 24 can be designed to be fixed to the lamp board 42 by other means such as snap-fitting, which will not be described here.
[0042] The light source 42 further comprises an isolating member 5 fixedly connected to the base 1. In the present embodiment, the isolating member 5 is covered on the light board 42. The isolating member 5 comprises an isolating portion 51 and a base 52. The isolating portion 51 is plate-shaped and is located above the light board 42. In the present embodiment, the isolating portion 51 is preferably adapted to the shape of the light board 42 so as to be completely shielded above the light board 42. The base 52 is connected to the edge of the isolating portion 51 and extends toward the direction close to the light board 42. The base 52 is engaged with the edge of the light board 42 and the isolating portion 51 is fixed to the fixing portion 25 through the mounting member. Fixed connection, in this embodiment, the fixing portion 25 is a column with an internal thread, and the mounting member is a screw. In other embodiments, the fixing portion 25 and the mounting member may also be other structures, which are not described here; preferably, in this embodiment, the isolating portion 51 is made of a light-transmitting material, so that the light source of the lamp bead 43 can be emitted through the isolating portion 51, and the isolating portion 51 and the base 52 form a cavity 53 for accommodating the lamp board 42, and the isolating member 5 is used to isolate the lamp bead 43 from the outside world, thereby preventing the user from accidentally touching the lamp bead 43 when replacing parts and causing the risk of burns.
[0043] like Figure 3 , 4 and Fig.13 As shown, the cover body 6 includes a cover portion 61 and a cover body 62 covering the cover portion 61. In the present embodiment, the cover portion 61 and the cover body 62 are both transparent rubber ring structures, wherein the cover portion 61 is covered on the light board 42 and the isolation member 5, and a plurality of limiting portions 63 protrude from the lower edge of the cover portion 61, and the plurality of limiting portions 63 include a vertical section 631 extending vertically downward, and a horizontal section 632 extending horizontally from the end of the vertical section 631, and the plurality of limiting portions 63 are correspondingly inserted into the plurality of slots, wherein each of the vertical sections 631 is provided with a plurality of stoppers, and each of the stoppers 63 ... The segment 631 is correspondingly located in each of the first card slots 325, and each of the horizontal segments 632 passes through each of the second card slots 326; it also includes two slide films 7 respectively arranged on the cover portion 61 and the cover body 62, wherein the slide film 7 arranged on the cover portion 61 is enclosed to form a column to fit the inner side of the cover portion 61, and the other slide film 7 is arranged above the cover portion 61 and is pressed and fixed by the cover body 62, so that the light source emitted by the lamp bead 43 is irradiated on the two slide films 7 through the isolation member 5 to illuminate the desired projection pattern.
[0044] like Fig.13 and Fig.16As shown, it also includes an upper cover 8 that is covered on the outside of the cover body 6. The upper cover 8 has a plurality of locking portions 81 extending downward from its lower edge to be correspondingly engaged and fixed with the plurality of the buckling portions 29, thereby preventing the upper cover 8 from detaching from the base 1. In this embodiment, the locking portion 81 is L-shaped and has a guiding slope at the outer corner. The plurality of locking portions 81 are partially exposed outside the plurality of the buckling portions 29. The upper cover 8 is a translucent frosted cover. When power is turned on, the light will project the pattern through the two slides 7 and the upper cover 8.
[0045] During assembly, first install the power supply assembly and the main board 41 on the base 1, then fix the motor 31 on the first fixing member 2 or the base 1, and fix the first fixing member 2 to the base 1; then install the rotating seat 32 on the first fixing member 2, and then fix the lamp board 42 in the rotating seat 32, and then cover the lamp board 42 and fix it on the first fixing member 2, and then rotate the cover body 6 relative to the rotating seat 32 so that the limiting portion 63 is snapped into the slot, and finally rotate the upper cover 8 to snap into the base 1.
[0046] like Figure 8-Figure 13 As shown, it is a second embodiment of the utility model, which is different from the first embodiment in that the fixing member is a second fixing member 9, wherein the second fixing member 9 has a plurality of snap-fitting portions 91 protruding upward from the inner edge of the opening 21, and the snap-fitting portions 91 pass through the lamp board 42 to engage with the preset snap-fitting portions 54 of the isolation portion 51, so that the isolation portion 5 is fixed on the second fixing member 9. In addition, the isolation portion 51 is provided with an opening 55 corresponding to the lamp bead 43 so that the light source can be emitted through the opening 55. In addition, the slide film 7 arranged on the cover portion 61 is enclosed to form a columnar shape and covers the outer side of the cover portion 61, so as to further facilitate the replacement of the slide film 7.
[0047] like Figure 14-17As shown, it is the third embodiment of the utility model, which is different from the first and second embodiments in that the cover body 6 and the rotating seat 32 are removed, the isolation member 5 is made of a light-transmitting material and is columnar, the isolation portion 51 is plate-shaped and is located above the light source assembly 4, a convex portion 56 extends from the isolation portion 51 toward the direction close to the light board 42, one of the slide sheets 7 is enclosed to form a column and is attached to the inner side of the cover portion 61, and the other slide sheet 7 is arranged above the isolation member 5 and is pressed and fixed by the cover body 62, and the motor 31 The shaft portion 311 passes through the lamp board 42 to be fixed to the protrusion 56 by screw threads, and also includes a connecting member 103 arranged in the base 1, the connecting member 103 includes a connecting portion 104 fixed to the base 1 by screws and for the shaft portion 311 to pass through, the connecting member 103 also includes a bending portion 105 bent downward and fixed on the power supply component, the fixing member is a third fixing member 10, and on the lamp board 42 of the third fixing member 10, a light-transmitting hole 101 is opened at the bottom of the installation space b corresponding to the position of the lamp bead 43.
[0048] In summary, the projection lamp 100 of the present invention has the following beneficial effects:
[0049] 1. An isolating member 5 is provided on the base 1 of the projection lamp 100, wherein an isolating portion 51 of the isolating member 5 is provided above the light source assembly 4 to separate the light source assembly 4, thereby preventing a user from touching the light source assembly 4 when replacing the projection film 7, and effectively avoiding the risk of burns caused by easily touching the lamp beads 43 when replacing parts.
[0050] 2. The isolating member 5 also includes a base 52, wherein the isolating portion 51 is plate-shaped and is located above the light source assembly 4, the base 52 is connected to the edge of the isolating portion 51 and extends toward the light source assembly 4, the isolating portion 51 and the base 52 form a cavity 53 for accommodating the light source assembly 4, so that there is a certain distance between the isolating portion 51 and the lamp beads 43, which not only makes the isolating member 5 isolate all the lamp beads 43 from the cover body 6, but also makes it difficult for the heat emitted by the lamp beads 43 to be transferred to the isolating member 5, which is beneficial to the replacement of parts of the projection lamp 100.
[0051] 3. In the first embodiment, the isolation portion 51 can be made of a light-transmitting material and completely covers the top of the lamp board 42, so that the light source of the lamp bead 43 can be directly emitted through the isolation portion 51, wherein the isolation portion 51 is fixedly connected to the first fixing member 2 through a mounting member, thereby further preventing the lamp board 42 from detaching from the base 1.
[0052] 4. In addition, in the second embodiment, the isolation portion 51 can also be made of opaque material and be provided with an opening 55 corresponding to the position of the lamp bead 43, so that the light source is emitted through the opening 55, thereby reducing the influence of light source scattering. The isolation portion 51 and the protruding snap-fit portion 91 of the second fixing member 9 are snap-fitted and connected, which not only facilitates the replacement of the isolation member 5, but also prevents the lamp board 42 from detaching from the base 1.
[0053] 5. Furthermore, in the third embodiment, the isolation member 5 can also be designed to be columnar, so as to facilitate the accommodation of the slide film 7 to save the cover body 6 for installing the slide film 7. The isolation portion 51 is plate-shaped and is located above the light board 42. A protrusion 56 extends from the isolation portion 51 toward the light board 42 and is fixedly connected to the shaft portion 311 of the motor 31, so that the motor 31 directly drives the isolation member 5 to rotate, so that the light source directly projects a pattern through the slide film 7 of the isolation member 5, effectively saving component costs and installation space b.
[0054] 6. In the third embodiment, it also includes a connector 103 arranged in the base 1 and a power supply component electrically connected to the rotating component 3. The connector 103 includes a connecting portion 104 fixed on the base 1 and for the rotating component 3 to pass through. The connector 103 also includes a bending portion 105 bent downward and fixed on the power supply component, so that the power supply component and the rotating component 3 are fixed at the same height, effectively saving the installation space b of the components.
[0055] 7. The cover body 6 is fixed on the rotating seat 32, wherein a plurality of limiting parts 63 protrude from the lower edge of the cover body 6, and the plurality of limiting parts 63 include a vertical section 631 extending vertically downward, and a horizontal section 632 extending horizontally from the end of the vertical section 631. The surface of the rotating seat 32 is provided with corresponding slots for accommodating the plurality of limiting parts 63, wherein the plurality of slots correspond to a first slot 325 for accommodating the vertical section 631 and a second slot 326 for accommodating the horizontal section 632, and the second slot 326 is for the horizontal section 632 to pass through, so that when installing the cover body 6, it only needs to be aligned and placed in the first slot 325 and the second slot 326, and then rotated until the horizontal section 632 passes through the corresponding second slot 326 to complete the installation of the cover body 6 on the rotating seat 32. Similarly, when disassembling, it is only necessary to rotate the horizontal section 632 of the cover body 6 in the opposite direction to move away from the second slot 326.
[0056] The embodiments of the present application are described in detail above in conjunction with the accompanying drawings, but the present application is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in the relevant technical field without departing from the purpose of the present application. In addition, the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
Claims
1. A projection lamp, characterized in that: include: A base, a light source assembly fixedly connected to the base; A cover body and a slide sheet arranged on the cover body, wherein the cover body is arranged above the light source assembly; The isolating member is fixedly connected to the base and has an isolating portion, the isolating portion is located above the light source assembly, and the isolating portion prevents the light source assembly from being touched when the slide is replaced.
2. The projection lamp according to claim 1, wherein: The isolation member also includes a base, wherein the isolation portion is plate-shaped and located above the light source assembly, the base is connected to the edge of the isolation portion and extends toward the light source assembly, and the isolation portion and the base form a cavity for accommodating the light source assembly.
3. The projection lamp according to claim 2, wherein: The isolation part is made of a light-transmitting material and covers the light source assembly. A first fixing member is fixed on the base. The first fixing member has a protruding fixing portion. The isolation part is fixedly connected to the first fixing member through a mounting member.
4. The projection lamp according to claim 2, wherein: The isolation part is provided with an opening through which the light source of the light source assembly is emitted. A second fixing member is fixed on the base. The second fixing member protrudes with a clamping portion, which passes through the light source assembly to be clamped and connected with the isolation part.
5. The projection lamp according to claim 1, wherein: The isolating member is columnar, the isolating portion is plate-shaped and is located above the light source assembly, a convex portion extends from the isolating portion toward the light source assembly, an axis portion is fixed on the base, and the axis portion passes through the light source assembly to be fixedly connected to the convex portion.
6. The projection lamp according to claim 5, characterized in that: A rotating assembly is fixed on the base, the rotating assembly includes a motor, the shaft is located on the motor, and the protrusion is fixedly connected to the shaft via a mounting member.
7. The projection lamp according to claim 6, wherein: It also includes a connector arranged in the base and a power supply component electrically connected to the rotating component. The connector includes a connecting portion fixed on the base and through which the rotating component passes. The connector also includes a bending portion bent downward and fixed on the power supply component.
8. The projection lamp according to claim 5, characterized in that: The slide film is arranged in the inner cavity of the isolation member, and also includes a third fixing member fixed on the base. The third fixing member is covered on the light source assembly and has an installation space for partially accommodating the isolation member. The installation space is provided with a light-transmitting hole for the light source of the light source assembly to emit.
9. The projection lamp according to claim 2, wherein: It also includes a power supply component, a rotating component and a fixing component arranged in the base, the rotating component includes a motor and a rotating seat, the motor has a protruding shaft portion to engage with a preset gear ring of the rotating seat to drive the rotating seat to rotate, the fixing component is connected to the base through a preset fixing column of the base, the fixing component is recessed downward to provide an installation space for accommodating the rotating disk, the isolating component and the light source component are located in a preset groove of the rotating seat, and the isolating component is fixedly connected to the fixing component.
10. The projection lamp according to claim 9, wherein: The cover body is fixed on the rotating seat, wherein a plurality of limiting parts protrude from the lower edge of the cover body, and the plurality of limiting parts include a vertical section extending vertically downward, and a horizontal section extending horizontally from the end of the vertical section, and the surface of the rotating seat is provided with corresponding slots for accommodating the plurality of limiting parts, wherein the plurality of slots correspond one to one for the plurality of horizontal sections to pass through.