CN215301164U

CN215301164U - Buckling structure of heating instrument shell

Info

Publication number: CN215301164U
Application number: CN202121550335.2U
Authority: CN
Inventors: 廖金新
Original assignee: Dongguan Hengfeng Medical Technology Co ltd
Current assignee: Dongguan Hengfeng Medical Technology Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-12-24
Anticipated expiration: 2031-07-08

Abstract

The utility model relates to a buckling structure of a warmer shell, which comprises an upper shell and a lower shell, wherein the upper shell and the lower shell form the warmer shell, the upper shell and the lower shell are assembled and fixed through a fastener, the fastener comprises a first slotted hole and a second slotted hole, the lower shell is integrally formed with a first cylinder, the periphery of the first cylinder is provided with a spherical surface, a hole site matched with the spherical surface in shape is arranged in the first slotted hole, the fastener is clamped on the first cylinder through the first slotted hole, the fastener can rotate by taking the first cylinder as the center, the upper shell is integrally formed with a second cylinder, the second slotted hole is provided with an side opening, and a convex edge is arranged on the common wall between the side opening and the second slotted hole; the second column is in a tripping state at the outer side of the convex edge, and the second column is in a locking state at the inner side of the convex edge. The utility model discloses a configuration is detained soon on casing down to carry out interference fit's hasp to last casing through this knot soon and realize opening and shutting fast of casing, simplified the spiral shell dress structure of heating appearance casing, assembly process reduces, has reduced manufacturing cost.

Description

Buckling structure of heating instrument shell

Technical Field

The utility model relates to a heating instrument technical field especially relates to a spiral-lock structure of heating instrument casing.

Background

The commonly used opening and closing structure of the shell of the existing heating instrument is as follows: two buckles are arranged on the shell, two blocking pieces which can move up and down are arranged at the positions corresponding to the opening and closing positions of the shell, and springs are arranged at the bottoms of the blocking pieces. When the opening and closing position of the shell is not closed, the blocking piece is in the upper position under the action of elastic force, when the opening and closing position of the shell is closed, the blocking piece moves downwards under the extrusion of the buckle, and when the buckle is completely in place, the blocking piece moves upwards under the action of the elastic force to block the buckle. Therefore, the opening and closing of the opening and closing position of the shell are completed, when the opening and closing position of the shell is to be opened, the snap spring is not blocked as long as the blocking piece is pressed down by the handle, and the opening and closing position of the shell is opened under the action of the torsion spring on the shaft. However, the scheme has the advantages of complex structure effect, more assembly processes and optimized production cost.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to above-mentioned prior art not enough, provide a spiral-lock structure of heating appearance casing.

The embodiment of the utility model provides a buckling structure of heating instrument casing, it includes upper casing and the lower casing that constitutes the heating instrument casing, upper casing and lower casing are the plastics material, upper casing and lower casing pass through the fastener assembly fixed, the fastener includes first slotted hole and second slotted hole, lower casing integrated into one piece has the first cylinder, the periphery of first cylinder has spherical surface, the hole site that has the shape that matches with spherical surface in the first slotted hole, the fastener clamps on the first cylinder through the first slotted hole, and the fastener is rotatable with the first cylinder as the center, upper casing integrated into one piece has the second cylinder, the second slotted hole has the side opening, and the wall altogether between side opening to the second slotted hole is equipped with protruding edge; the second column is in a tripping state at the outer side of the convex edge, and the second column is in a locking state at the inner side of the convex edge.

In some of these embodiments, on the first cylinder, the upper portion of the spherical surface has an upper cylinder and the lower portion of the spherical surface has a lower cylinder; in the first slotted hole, the upper part of the hole site is provided with an upper hole site matched with the upper column body, and the lower part of the hole site is provided with a lower hole site matched with the lower column body; the outer diameters of the upper cylinder and the lower cylinder are smaller than the outer diameter of the spherical surface, and the inner diameters of the upper hole site and the lower hole site are smaller than the inner diameter of the hole site.

In some of these embodiments, the outer diameter of the upper cylinder is smaller than the outer diameter of the lower cylinder, and the inner diameter of the upper bore is smaller than the inner diameter of the lower bore.

In some embodiments, the root of the second column is lower than the root of the first column, the top of the second column is lower than the top of the first column, and when the fastener is fastened on the second column, a gap is reserved between the top of the second column and the fastener.

In some embodiments, the depth of the first slot is smaller than the height of the first pillar.

In some embodiments, the fastener is provided with a first slot at one end and a third slot at the other end on the same side of the fastener, the outer wall of the third slot forms a second slot, a side opening is formed between the second slot and the third slot, and a reinforcing rib is arranged in the third slot, one end of the reinforcing rib is connected to the inner wall opposite to the outer wall, and the other end of the reinforcing rib is connected to the inner wall opposite to the outer wall.

Compared with the prior art, the embodiment of the utility model provides a buckling structure of heating appearance casing, it is including the last casing and the lower casing that constitute the heating appearance casing, it is the plastics material with lower casing to go up the casing, it is fixed through the fastener assembly with lower casing to go up the casing, the fastener includes first slotted hole and second slotted hole, lower casing integrated into one piece has the first cylinder, the periphery of first cylinder has spherical surface, the hole site that has the shape that matches with spherical surface in the first slotted hole, the fastener clamps on the first cylinder through the first slotted hole, and the fastener is rotatable with the first cylinder as the center, it has the second cylinder to go up casing integrated into one piece, the second slotted hole has the side opening, and the wall is equipped with protruding edge altogether between side opening to the second slotted hole; the second column is in a tripping state at the outer side of the convex edge, and the second column is in a locking state at the inner side of the convex edge. The utility model discloses a configuration is detained soon on casing down to carry out interference fit's hasp through this knot soon and realize going up casing and the quick opening and shutting of casing down to last casing, simplified the spiral shell dress structure of heating appearance casing, assembly process reduces, has reduced manufacturing cost.

The details of one or more embodiments of the invention are set forth in the accompanying drawings and the description below to provide a more concise and understandable description of other features, objects, and advantages of the invention.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a sectional structure view of a fastening structure according to an embodiment of the present invention.

Fig. 2 is an exploded sectional structure view of the fastening structure according to the embodiment of the present invention.

Fig. 3 is a structural view of a fastener according to an embodiment of the present invention.

In the figure, 1, an upper shell; 2. a lower housing; 3. a fastener; 4. a first slot; 5. a second slot; 6. a first column; 7. a spherical surface; 8. hole site; 9. a second cylinder; 10. opening the side; 11. a convex edge; 12. an upper column; 13. a lower column; 14. an upper hole position; 15. a lower hole position; 16. a root portion; 17. a root portion; 18. a top portion; 19. a top portion; 20. a third slot; 21. an outer wall; 22. and (5) reinforcing ribs.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described and illustrated with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Based on the embodiments provided by the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention. Moreover, it will be appreciated that in the development of any such actual embodiment, as in any specific implementation, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which will vary from one implementation to another.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one of ordinary skill in the art that the described embodiments of the present invention can be combined with other embodiments without conflict.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as is commonly understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" and "an" and "the" and similar referents in the context of describing the invention are not to be construed as limiting the number, but may be construed to cover both the singular and the plural. The present invention relates to the terms "comprises," "comprising," "includes," "including," "has," "having" and any variations thereof, which are intended to cover non-exclusive inclusions; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to the listed steps or elements, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. The terms "connected," "coupled," and the like in the description may not be limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The utility model relates to a "a plurality of" means more than or equal to two. "and/or" describes an association relationship of associated objects, meaning that three relationships may exist, for example, "A and/or B" may mean: a exists alone, A and B exist simultaneously, and B exists alone. The terms "first," "second," "third," and the like in the description of the invention are used merely to distinguish between similar objects and not necessarily to represent a particular ordering for the objects.

As shown in fig. 1-3, a fastening structure of a warmer shell comprises an upper shell 1 and a lower shell 2 which form the warmer shell, wherein the upper shell 1 and the lower shell 2 are made of plastic materials, the upper shell 1 and the lower shell 2 are assembled and fixed through a fastener 3, the fastener 3 comprises a first slot 4 and a second slot 5, the lower shell 2 is integrally formed with a first cylinder 6, the periphery of the first cylinder 6 is provided with a spherical surface 7, a hole site 8 with a shape matched with the spherical surface 7 is arranged in the first slot 4, the fastener 3 is fastened on the first cylinder 6 through the first slot 4, the fastener 3 can rotate by taking the first cylinder 6 as a center, the upper shell 1 is integrally formed with a second cylinder 9, the second slot 5 is provided with an opening 10, and a convex edge 11 is arranged on the common wall between the opening 10 and the second slot 5; the outside that the second cylinder 9 is located protruding edge 11 is the dropout state, and the inboard that the second cylinder 9 is located protruding edge 11 is the hasp state.

In the present embodiment, on the first cylinder 6, the upper part of the spherical surface 7 has an upper cylinder 12 coaxial with it, and the lower part of the spherical surface has a lower cylinder 13 coaxial with it; in the first slot 4, the upper part of the hole 8 is provided with an upper hole 14 matched with the upper column 12, and the lower part of the hole 8 is provided with a lower hole 15 matched with the lower column 13; the outer diameters of upper cylinder 12 and lower cylinder 13 are smaller than the outer diameter of spherical surface 7, and the inner diameters of upper hole site 14 and lower hole site 15 are smaller than the inner diameter of hole site 8. The upper column body 12 is used for matching and positioning the upper part of the first column body 6 with the upper hole position 14 in the first slotted hole 4, the lower column body 13 is used for matching and positioning the lower part of the first column body 6 with the lower hole position 15 in the first slotted hole 4, the spherical surface 7 can rotate towards a relatively stable axis in the hole position 8 of the first slotted hole 4, the defects that the buckling is out of position and the like due to too much deviation of the buckle 3 when the buckle is rotated on the first column body 6 are avoided, and accurate buckling is realized.

In this embodiment, upper cylinder 12 has an outer diameter smaller than that of lower cylinder 13, and upper hole site 14 has an inner diameter smaller than that of lower hole site 15. In order to make the spherical surface 7 have enough arc surface to match with the hole site 8 to realize stable and reliable rotation, the upper column 12 with the outer diameter equal to or smaller than that of the lower column 13 is configured to have the outer diameter smaller than that of the lower column 13, so that the smoothness of the rotation of the fastener 3 on the first column 6 is improved.

In this embodiment, reference is made to the same horizontal plane, the root 16 of the second cylinder 9 is lower than the root 17 of the first cylinder 6, the top 18 of the second cylinder 9 is lower than the top 19 of the first cylinder 6, when the fastener 3 is buckled on the second cylinder 9, a gap is left between the top 18 of the second cylinder 9 and the fastener 3, the friction between the fastener 3 and the shell in the rotating process is avoided, the service life of the fastener 3 is effectively prolonged, and the structure can be formed at one time when the lower shell 2 and the upper shell 1 are subjected to injection molding, and the structure is formed without post-processing and has the advantages of simple structure and strong reliability.

In this embodiment, the depth of the first slot 4 is smaller than the height of the first column 6, so that the end surface of the first slot 4 will not contact with the root 17 of the first column 6 after being clamped, so that a gap is left between the surface of the fastener 3 and the outer surface of the lower shell 2, the smooth rotation of the fastener 3 is ensured, the friction between the surface of the fastener 3 and the outer surface of the lower shell is reduced, and the service life of the fastener 3 is prolonged.

In this embodiment, a first slot 4 is formed at one end and a third slot 20 is formed at the other end of the same side of the fastener 3, an outer wall 21 of the third slot 20 forms a second slot 5, a side opening 10 is formed between the second slot 5 and the third slot 20, and a reinforcing rib 22 is arranged in the third slot 20, one end of the reinforcing rib is connected to the inner wall opposite to the outer wall 21, and the other end of the reinforcing rib is connected to the inner wall opposite to the outer wall; the structure of the fastener 3 is simplified, the reliability of the fastener 3 is enhanced, and the material of the fastener 3 is reduced by adopting the reinforcing ribs 22 without weakening the strength.

The utility model discloses theory of operation of embodiment: aligning the first slot 4 of the fastener 3 with the first column 6 of the lower shell 2, and clamping the first column 6 into the first slot 4, wherein a certain external force is required to be applied in the clamping process to realize interference fit, and the shell and the fastener 3 are both made of plastic materials, so that the shell has a certain elastic deformation characteristic, and the first column 6 is not easy to be separated out due to the relation of the spherical surface 7 after being clamped into the first slot 4; when the upper shell 1 and the lower shell 2 need to be closed, the fastener 3 is rotated by using positive external force, so that the second column 9 positioned outside the convex edge 11 enters from the side opening 10 and is screwed into the inner side of the convex edge 11 to reach the second slotted hole 5 after overcoming the resistance of the convex edge 11 through interference fit, and the lock catch is completed; when the upper shell 1 and the lower shell 2 need to be opened, the fastener 3 is rotated by using reverse external force, so that the second column body 9 positioned on the inner side of the convex edge 11 is screwed out to the outer side of the convex edge 11 to reach the side opening 10 from the outer side of the convex edge 11 after overcoming the resistance of the convex edge 11 from the second slotted hole 5 through interference fit, and tripping is completed.

Compared with the prior art, the embodiment of the utility model provides a buckling structure of heating appearance casing, it is including the last casing 1 and the lower casing 2 that constitute the heating appearance casing, it is the plastics material to go up casing 1 and lower casing 2, it is fixed that last casing 1 and lower casing 2 pass through fastener 3 assembly, fastener 3 includes first slotted hole 4 and second slotted hole 5, lower casing 2 integrated into one piece has first cylinder 6, the periphery of first cylinder 6 has spherical face 7, have hole site 8 with spherical face 7 matching shape in the first slotted hole 4, fastener 3 clamps on first cylinder 6 through first slotted hole 4, and fastener 3 is rotatable with first cylinder 6 as the center, go up casing 1 integrated into one piece has second cylinder 9, second slotted hole 5 has side opening 10, and the wall is equipped with protruding edge 11 altogether between side opening 10 to second slotted hole 5; the outside that the second cylinder 9 is located protruding edge 11 is the dropout state, and the inboard that the second cylinder 9 is located protruding edge 11 is the hasp state. The utility model discloses a configuration is detained soon on casing 2 down to carry out interference fit's hasp through this knot soon and realize casing 1 and casing 2's quick opening and shutting down to last casing 1, simplified the spiral shell dress structure of heating appearance casing, assembly process reduces, has reduced manufacturing cost.

It should be understood by those skilled in the art that various features of the above-described embodiments can be combined in any combination, and for the sake of brevity, all possible combinations of features in the above-described embodiments are not described in detail, but rather, all combinations of features which are not inconsistent with each other should be construed as being within the scope of the present disclosure.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A buckling structure of a warmer shell is characterized by comprising an upper shell (1) and a lower shell (2) which form the warmer shell, wherein the upper shell (1) and the lower shell (2) are made of plastic materials, the upper shell (1) and the lower shell (2) are assembled and fixed through a fastener (3), the fastener (3) comprises a first slotted hole (4) and a second slotted hole (5), the lower shell (2) is integrally formed with a first cylinder (6), the periphery of the first cylinder (6) is provided with a spherical surface (7), a hole site (8) matched with the spherical surface (7) in shape is arranged in the first slotted hole (4), the fastener (3) is clamped on the first cylinder (6) through the first slotted hole (4), the fastener (3) can rotate by taking the first cylinder (6) as a center, the upper shell (1) is integrally formed with a second cylinder (9), the second slot (5) has a side opening (10), and a convex edge (11) is arranged on the common wall between the side opening (10) and the second slot (5); the second column body (9) is located the outside of protruding edge (11) is the dropout state, second column body (9) is located the inboard of protruding edge (11) is the hasp state.

2. A fastening structure of a warmer shell according to claim 1, wherein on the first cylinder (6), the upper part of the spherical surface (7) has an upper cylinder (12), and the lower part of the spherical surface has a lower cylinder (13); in the first slotted hole (4), an upper hole site (14) matched with the upper column (12) is arranged at the upper part of the hole site (8), and a lower hole site (15) matched with the lower column (13) is arranged at the lower part of the hole site (8); the outer diameters of the upper cylinder (12) and the lower cylinder (13) are smaller than the outer diameter of the spherical surface (7), and the inner diameters of the upper hole site (14) and the lower hole site (15) are smaller than the inner diameter of the hole site (8).

3. A fastening structure of a warmer shell according to claim 2, wherein the outer diameter of the upper cylinder (12) is smaller than the outer diameter of the lower cylinder (13), and the inner diameter of the upper hole (14) is smaller than the inner diameter of the lower hole (15).

4. A fastening structure of a warmer shell according to claim 1, wherein the root (16) of the second column (9) is lower than the root (17) of the first column (6), the top (18) of the second column (9) is lower than the top (19) of the first column (6), and when the fastener (3) is fastened to the second column (9), a gap is left between the top (18) of the second column (9) and the fastener (3).

5. A fastening structure of a warmer shell according to claim 1, wherein the depth of the first slot (4) is smaller than the height of the first post (6).

6. A fastening structure of a warmer housing according to claim 1, wherein the first slot (4) is formed at one end and the third slot (20) is formed at the other end of the fastener (3), the outer wall (21) of the third slot (20) forms the second slot (5), the side opening (10) is formed between the second slot (5) and the third slot (20), and a reinforcing rib (22) having one end connected to the inner wall opposite to the outer wall (21) and the other end connected to the inner wall opposite to the outer wall (21) is provided in the third slot (20).