CN211092212U

CN211092212U - Unfolding structure

Info

Publication number: CN211092212U
Application number: CN201921770490.8U
Authority: CN
Inventors: 龚平川; 龚蕊
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-07-28
Anticipated expiration: 2029-10-21

Abstract

The utility model discloses an expansion structure, expansion structure includes: the unfolding surface is used for bearing the lower base of the unfolding year, the supporting rod is used for fixing and supporting the unfolding surface, and the upper base is arranged on the upper side of the unfolding surface and connected with the supporting rod; the utility model discloses a take out base, including base, bracing piece stiff end, upper base, lower base upper portion is provided with the pinhole, the bracing piece stiff end be provided with the rotating pin that the pinhole is mutually supported, the upper base downside is provided with the cooperation structure, the cooperation structure is used for restricting the bracing piece is fixed in preset position, so that the expansion face expandes. The utility model discloses a set up the cooperation structure, innovate prior art, through the limiting displacement of cooperation structure, make the folding or concertina movement of expansion structure part turn into the slip motion location among the conventional art to effectively avoid the material to produce and use fatigue, greatly prolong expansion structure's life.

Description

Unfolding structure

Technical Field

The utility model relates to the field of mechanical structures, what especially relate to is an expansion structure.

Background

The unfolding structure is a simple mechanical structure, and has high practicability in daily life, such as rain gears, fans and the like with storage functions, so that the unfolding structure is continuously enriched along with the development of times so as to meet the increasingly diversified requirements of users.

Among the prior art, the expansion structure mostly takes in with folding or flexible accomodating as main design thinking, but folding accomodating or flexible accomodating have structural design complicacy, cause the tired condition production of material use easily, and life reduces greatly.

Therefore, the prior art has yet to be improved.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to prior art's above-mentioned defect, provide an expansion structure, aim at solving among the prior art expansion structure and easily produce the condition of using fatigue, life-span shortening.

The utility model provides a technical scheme that technical problem adopted as follows:

a deployment structure, wherein the deployment structure comprises: the device comprises an expansion surface, a lower base for bearing the expansion surface, a supporting rod for fixing and supporting the expansion surface, and an upper base which is arranged on the upper side of the expansion surface and connected with the supporting rod;

the utility model discloses a take out base, including base, bracing piece stiff end, upper base, lower base upper portion is provided with the pinhole, the bracing piece stiff end be provided with the rotating pin that the pinhole is mutually supported, the upper base downside is provided with the cooperation structure, the cooperation structure is used for restricting the bracing piece is fixed in preset position, so that the expansion face expandes.

The unfolding structure is characterized in that the number of the pin holes in the lower base is the same as that of the support rods, and the pin holes correspond to the positions of the matching structures.

The unfolding structure is characterized in that the number of the supporting rods is more than or equal to 3.

The unfolding structure is further provided with a spring, and the spring is arranged in a clamping groove between the lower base and the upper base.

The unfolding structure, wherein, the draw-in groove is divided into two parts, includes: the spring clamping device comprises a first spring clamping groove arranged on the upper side of the lower base and a second spring clamping groove arranged on the lower side of the upper base.

The deployed configuration, wherein the diameter of the first spring catch and the second spring catch is larger than the diameter of the spring.

The unfolding structure is characterized in that the unfolding structure is further provided with a fixing bolt, the fixing bolt is provided with threads, a screw hole matched with the fixing bolt is formed in the center of the lower base, and when the fixing bolt is matched and connected with the screw hole, the lower base is fixed with the upper base.

The unfolding structure, wherein, gim peg upper portion is provided with the hand wheel, through the hand wheel control lower base and upper base's combination elasticity degree.

The unfolding structure, wherein, the diameter of through-hole is greater than the diameter of screw.

The unfolding structure is characterized in that a plurality of installation parts are further arranged on the lower base, and the installation parts are installed with other components in a matched mode to fix the unfolding structure.

The utility model has the advantages that: the utility model discloses a set up the cooperation structure, innovate prior art, through the limiting displacement of cooperation structure, make the folding or concertina movement of expansion structure part turn into sliding motion among the traditional art to effectively avoid the material to produce and use fatigue, greatly prolong expansion structure's life.

Drawings

Fig. 1 is a schematic view of the structure assembly of the first embodiment of the unfolding structure of the present invention.

Fig. 2 is a development view of a first embodiment of the development structure of the present invention.

Fig. 3 is a drawing of the first embodiment of the unfolding structure of the present invention.

Fig. 4 is a lower base structure diagram of a first embodiment of the unfolding structure of the present invention.

Fig. 5 is a structural view of an upper base according to a first embodiment of the present invention.

Fig. 6 is a perspective view of a fitting headgear according to a first embodiment of the deployment structure of the present invention.

Fig. 7 is a schematic view of the structure assembly of the second embodiment of the unfolding structure of the present invention.

Fig. 8 is a development view of a second embodiment of the development structure of the present invention.

Fig. 9 is a drawing of the second embodiment of the unfolding structure of the present invention.

Fig. 10 is a top base structure view of a second embodiment of the unfolding structure of the present invention.

Fig. 11 is a fan-like expanded view of another embodiment of the expanded structure of the present invention.

Figure 12 is an expanded view of another type of sector of other embodiments of the deployment structure of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

In prior art's expansion structure, expansion structure mostly takes in with folding or flexible accomodating as main design thinking, but folding accomodating or flexible accomodating have structural design complicacy, cause the tired condition of material use to produce easily, life reduces greatly.

Based on the above problem, the utility model provides an expansion structure, its each part constitutes as shown in figure 1: an unfolded surface 100 (as shown in fig. 2), a lower base 200 for receiving the unfolded surface, a support rod 400 for fixing and supporting the unfolded surface 100, and an upper base 300 disposed on the upper side of the unfolded surface 100 and connected to the support rod 100.

Example one

This application embodiment is the umbrella that has the structure of expanding, through setting up rotation pin 410 and sliding pin 420 with bracing piece 400 in this embodiment, makes the expansion of umbrella and receipts to realize through sliding pin 420 and the spout 310 cooperation on the upper base 300, has replaced prior art to use folding or flexible structure, produces after avoiding repetitious usage and uses fatigue to reach extension umbrella life's effect.

In specific implementation, as shown in fig. 1, the pin hole 210 is disposed on the upper portion of the lower base 200, the fixing end of the supporting rod 400 is provided with a rotation pin 410 which is matched with the pin hole 210, in practical application, the rotation pin 410 is combined with the pin hole 210 in the direction indicated by the arrow in fig. 1, the rotation pin 410 is a cylindrical pin body, the corresponding pin hole 210 is also the same cylindrical hole, and meanwhile, the diameter of the pin hole 210 is slightly larger than that of the rotation pin 410, so that the rotation pin 410 can freely rotate in the pin hole 210.

Further, the upper side of the supporting rod 400 is further provided with a sliding pin 420, the sliding pin 420 is matched with the sliding groove 310 arranged at the lower side of the upper base 300, in this embodiment, the sliding groove 310 is specifically shaped as an arc-shaped sliding way (as shown in fig. 5), in the case that the rotating pin 410 at the fixed end of the supporting rod 400 is combined with the pin hole 210 of the lower base 200, the sliding pin 420 is correspondingly combined with the sliding groove 310, and meanwhile, in the rotating process of the supporting rod, the sliding pin 420 is displaced in the sliding groove 410, and since the sliding groove 310 has a certain range, the sliding groove 310 can limit the moving range of the supporting rod 400.

Further, as shown in fig. 5, the sliding groove 310 has two limit points, namely two circular end points of each arc-shaped sliding way, when the sliding pin 420 on the supporting rod 400 is located at a first limit point, the supporting rod is located at the unfolding position, as shown in fig. 2, the umbrella cover is in the unfolding state in fig. 2, the sliding pins 420 on the 4 supporting rods 400 at the left half part of the umbrella cover are located at the lower left of the sliding groove 310, namely for the four sliding grooves 310 at the left side of the umbrella cover, the end point at the lower left is the first limit end point, and when the sliding pins 420 on the four supporting rods 400 at the left part are located at the first limit point, the supporting rod 400 is located at the unfolding position; the sliding pins 420 of the 4 support rods 400 on the right half of the canopy are located at the right lower side of the sliding slots 310, that is, for the four sliding slots 310 on the right side of the canopy, the right lower end point is the first limit end point, and when the sliding pins 420 of the four support rods 400 on the right half are located at the first limit point, the support rods 400 are located in the unfolding state.

Further, as shown in fig. 3, the umbrella surface is in a folded state, the sliding pins 420 on the 4 supporting rods 400 at the left half part of the umbrella surface are located at the upper right of the sliding slots 310, that is, for the four sliding slots 310 at the left side of the umbrella surface, the upper right end point is a second limit end point, and when the sliding pins 420 on the four supporting rods 400 at the left part are located at the second limit point, the supporting rods 400 are located at the folded position; the sliding pins 420 on the 4 support rods 400 on the right half of the canopy are located at the upper left of the sliding slots 310, i.e. for the four sliding slots 310 on the right side of the canopy, the upper left end point is the second limit end point, and when the sliding pins 420 on the four support rods 400 on the right half are located at the second limit point, the support rods 400 are located at the retracted position.

Further, the pin holes 210 of the lower base 200 and the sliding grooves 310 of the upper base 300 are the same in number as the supporting rods 400, that is, the pin holes 210, the sliding grooves 310 and the supporting rods 400 are in a one-to-one correspondence, and the positions of the above components are also in correspondence, so that the components can be combined together according to the correspondence when combined, and the number of the supporting rods 400 is greater than or equal to 3, because when the number of the supporting rods 400 is less than 3, it is difficult to form a stable support for the main body of the unfolding surface 100, thereby affecting the use effect.

Further, as shown in fig. 1, a spring 500 is further disposed in the unfolding structure, the spring 500 is disposed in a clamping groove between the lower base 200 and the upper base 300, when the assembly is performed, the lower base 200 and the upper base 300 extrude the spring 500 to complete the assembly, and after the assembly of the lower base 200 and the upper base 300 is completed, the spring 500 always elastically extrudes the upper base 200 and the lower base 300 to ensure a certain space, so that the influence of the over-tight assembly of the upper base 200 and the lower base 300 on the free movement of the supporting rod 400 is avoided.

Preferably, the slot for placing the spring 500 may be provided in two parts, including: the spring clamping device comprises a first spring clamping groove 220 arranged on the upper side of the lower base 200 and a second spring clamping groove 320 arranged on the lower side of the upper base, wherein the first spring clamping groove 220 and the second spring clamping groove 320 correspond to each other and are cylindrical groove holes, and meanwhile, the diameters of the first spring clamping groove 220 and the second spring clamping groove 320 are slightly larger than the diameter of the spring 500, so that the spring 500 can be effectively fixed, the spring is prevented from being displaced or laterally deviated, and the stability of the whole structure is guaranteed.

Further, as shown in fig. 1, the unfolding structure is further provided with a fixing bolt 600, the fixing bolt 600 is provided with threads to be matched with a screw hole 230 arranged at the central position of the lower base, the screw hole 230 is provided with threads matched with the fixing bolt 600, meanwhile, the central position of the upper base 300 is provided with a through hole 330, the central point of the through hole is aligned with the central point of the screw hole 230, and the diameter of the through hole 330 is slightly larger than that of the screw hole, so that the fixing bolt can smoothly pass through the through hole 330.

In specific implementation, the fixing bolt 600 passes through the through hole 320 of the upper base 300 along the direction indicated by the arrow, and then passes through the center of the spring 500 along the direction indicated by the arrow, even though the spring 500 is sleeved on the fixing bolt 600, so as to ensure that the spring 500 does not tilt or shift, finally, the lower base 200 is screwed with the fixing bolt 600 along the direction indicated by the arrow, so as to complete the fixing of the lower base 200 and the upper base 300, and meanwhile, the rotating pin 410 is inserted into the pin hole 210, and the sliding pin 420 is inserted into the sliding groove 310, so as to achieve the installation of the overall unfolding structure.

Further, the upper portion of the fixing bolt 600 is further provided with a hand wheel, the shape of the hand wheel is the same as that of a valve rotating wheel commonly used in life, and manual rotation of a user is facilitated by arranging a plurality of concave-convex structures matched with hand shapes, so that tightness of the lower base 200 and the upper base 300 of the unfolding structure can be manually adjusted, and the unfolding structure is easier to operate in the unfolding or folding process.

Further, as shown in fig. 4, a plurality of mounting portions 700 are further disposed on the lower base, the mounting portions 700 are in the shape of an arc-shaped buckle, and the mounting portions 700 can be matched with a plurality of preset structures, so as to fix the unfolding structure application entity (in this embodiment, an umbrella).

Preferably, this embodiment is by way of a cap fixed knot structure, as shown in fig. 6, cap fixed knot structure has two detachable buckling parts, through with the fixed band that the buckling part links to each other passes installation department 700 can realize cap fixed knot structure with the fixed of expansion structure, thereby makes expansion structure (umbrella) can be dressed at user's head through cap fixed knot structure to the actual effect of realizing liberation user's both hands.

Preferably, the present embodiment can also be installed with the installation part 700 through a link structure having a cross joint, so that the unfolding structure (umbrella) can be fixed on the ground through the link structure, thereby achieving the practical effect of releasing both hands of the user.

Example two

This application embodiment is the umbrella that has expansion structure, through setting up rotation pin 410 and sliding pin 420 with bracing piece 400 in this embodiment, through setting up fixed slot 350 of last base face 300 downside, makes during the expansion of umbrella bracing piece 400 block is in the fixed slot 350, thereby realize bracing piece 400's fixing, the utility model discloses replaced prior art and used folding or flexible structure, produced after avoiding repetitious usage and used fatigue to reach extension umbrella life's effect.

In specific implementation, as shown in fig. 7, the pin hole 210 is disposed on the upper portion of the lower base 200, the fixing end of the supporting rod 400 is provided with a rotation pin 410 which is matched with the pin hole 210, in practical application, the rotation pin 410 is combined with the pin hole 210 in the direction indicated by the arrow in fig. 7, the rotation pin 410 is a cylindrical pin body, the corresponding pin hole 210 is also the same cylindrical hole, and meanwhile, the diameter of the pin hole 210 is slightly larger than that of the rotation pin 410, so that the rotation pin 410 can freely rotate in the pin hole 210.

Further, as shown in fig. 10, a plurality of rectangular slots 340 are disposed at the lower end of the upper base 300, the width of each rectangular slot 340 is slightly larger than the diameter of the corresponding support rod 400, and when the umbrella of this embodiment is unfolded, the support rod 400 corresponds to the rectangular slot 340 (as shown in fig. 8) and is wedged into the rectangular slot 340, so that the support rod 400 is fixed and is not deformed by external factors such as wind force, and when the umbrella of this embodiment is folded (as shown in fig. 9), the support rod 400 is folded to the same direction, so as to reduce the space occupied by the umbrella of this embodiment.

Further, the number of the pin holes 210 on the lower base 200 and the rectangular slots 340 on the upper base 300 is the same as that of the support rods 400, that is, the pin holes 210, the rectangular slots 340 and the support rods 400 are in a one-to-one correspondence relationship, and the positions of the above components are also corresponding to each other, so that the corresponding components can be combined together tightly when combined, and meanwhile, the number of the support rods 400 is greater than or equal to 3, because when the number of the support rods 400 is less than 3, it is difficult to form a stable support for the main body of the expansion surface 100, thereby affecting the use effect.

Further, as shown in fig. 7, the unfolding structure is further provided with a fixing bolt 600, the fixing bolt 600 is provided with threads to be matched with a screw hole 230 provided at the central position of the lower base, the screw hole 230 is provided with threads matched with the fixing bolt 600, meanwhile, the central position of the upper base 300 is provided with a through hole 330, the central point of the through hole is aligned with the central point of the screw hole 230, and the diameter of the through hole 330 is slightly larger than that of the screw hole, so that the fixing bolt can smoothly pass through the through hole 330.

Preferably, the present embodiment is additionally provided with a cap-shaped fixing structure, as shown in fig. 6, the cap-shaped fixing structure has two detachable fastening portions, and the fixing of the cap-shaped fixing structure and the unfolding structure can be realized by passing a fixing band connected to the fastening portions through the mounting portion 700, so that the unfolding structure (umbrella) can be worn on the head of the user through the cap-shaped fixing structure, thereby realizing the practical effect of releasing both hands of the user; similarly, the present embodiment can be further installed with the installation part 700 through a link structure having a cross joint, so that the unfolding structure (umbrella) is fixed on the ground through the link structure, thereby achieving the practical effect of releasing both hands of the user. Of course, the present embodiment can also directly open the unfolding structure at a preset angle according to the user to form a shape of a display, so as to facilitate the user to use.

In other embodiments of the present application, the unfolding structure can also be applied to a sector structure (as shown in fig. 11 and fig. 12), and meanwhile, a user can apply a similar structure based on the same principle as the unfolding structure to a product in actual need according to his own needs, and all structures based on the same features of the present invention should belong to the protection scope of the present application.

In summary, the present utility model discloses an unfolding structure, the unfolding structure includes: the unfolding surface is used for bearing the lower base of the unfolding year, the supporting rod is used for fixing and supporting the unfolding surface, and the upper base is arranged on the upper side of the unfolding surface and connected with the supporting rod; the utility model discloses a take out base, including base, bracing piece stiff end, upper base, lower base upper portion is provided with the pinhole, the bracing piece stiff end be provided with the rotating pin that the pinhole is mutually supported, the upper base downside is provided with the cooperation structure, the cooperation structure is used for restricting the bracing piece is fixed in preset position, so that the expansion face expandes. This use is novel through setting up the cooperation structure, innovates prior art, through the limiting displacement of cooperation structure, makes the folding or concertina movement of development structure part turn into the slip motion location among the traditional art to effectively avoid the material to produce and use fatigue, greatly prolong development structure's life.

It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims

1. A deployment structure, characterized in that it comprises: the device comprises an expansion surface, a lower base for bearing the expansion surface, a supporting rod for fixing and supporting the expansion surface, and an upper base which is arranged on the upper side of the expansion surface and connected with the supporting rod;

2. The deployment structure of claim 1, wherein the pin holes on the lower base are the same number as the support rods and correspond to the engagement structure positions.

3. The deployment structure of claim 2, wherein the number of support bars provided is greater than or equal to 3.

4. The deployment structure of claim 1, wherein said one deployment structure is further provided with a spring disposed within a slot between said lower base and said upper base.

5. The deployment structure of claim 4, wherein the card slot is in two parts, comprising: the spring clamping device comprises a first spring clamping groove arranged on the upper side of the lower base and a second spring clamping groove arranged on the lower side of the upper base.

6. The deployment structure of claim 5, wherein the first and second spring catch grooves have a diameter greater than a diameter of the spring.

7. The unfolding structure of claim 1, wherein a fixing bolt is further provided, the fixing bolt is provided with threads, a screw hole matched with the fixing bolt is formed in the central position of the lower base, and when the fixing bolt is matched and connected with the screw hole, the lower base is fixed with the upper base.

8. The unfolding structure of claim 7, wherein a hand wheel is arranged at the upper part of the fixing bolt, and the degree of tightness of combination of the lower base and the upper base is controlled through the hand wheel.

9. The unfolding structure of claim 8, wherein a through hole is formed in the upper base at a central position, and the diameter of the through hole is larger than that of the screw hole.

10. The unfolding structure of claim 1, wherein a plurality of mounting parts are further arranged on the lower base, and the mounting parts are mounted by being matched with other components to realize the fixation of the unfolding structure.