Sunshade shed top folding mechanism and shade shed frame

Abstract

The utility model discloses a shade-shed top folding mechanism and a shade-shed frame. The shade-shed top folding mechanism comprises an upper connecting seat, a lower connecting seat and a connecting mechanism. The upper connecting seat is rotationally connected with a plurality of first supporting rods; the lower connecting seat is rotationally connected with a plurality of connecting rods which are rotationally connected with a plurality of first supporting rods respectively; the connecting mechanism comprises an inserting part fixedly arranged on the lower connecting seat, an inserting groove formed in the upper connecting seat, a sliding part capable of sliding up and down relative to the inserting part and a bolt transversely connected to the upper connecting seat in a sliding mode, the inserting part and the inserting groove are matched and form a pluggable structure, and a locking groove is formed in the side wall of the sliding part in a concave mode. The inserting end of the plug pin can stretch into the inserting groove and be inserted into the locking groove of the sliding part, a first sliding guiding face is arranged on the groove wall of the locking groove, and the sliding part slides downwards to drive the plug pin to slide outwards to retreat from the locking groove through cooperation of the first sliding guiding face and the plug pin end of the plug pin. The locking device has the advantages of being firm, stable and reliable in locking, convenient to unlock and convenient to fold and unfold.

Description

Technical Field

[0001] The utility model relates to camping supplies, in particular to a folding mechanism for the top of a pergola and a pergola frame. Background Art

[0002] Existing pergolas, such as CN218522391U announced in the Chinese Patent Database, are a kind of fast-folding pergolas, in which the pergola frame includes a plurality of supporting feet, a plurality of hinged frames, a plurality of folding rod groups, a top support plate and a quick switch mechanism, wherein two adjacent supporting feet are pivotally connected by a hinged frame, the bottom end of each folding rod group is pivotally connected to the top of the corresponding supporting foot, and the top end of each folding rod group is pivotally connected to the top support plate, and the quick switch mechanism includes a fixed rod, a sliding seat, a plurality of connecting rods and a switch assembly, wherein the fixed rod is fixed to the bottom end of the top support plate, and the sliding seat can slide up and down along the fixed rod, one end of the connecting rod is hingedly connected to the corresponding folding rod group, and the other end of the connecting rod is pivotally connected to the sliding seat, and the switch assembly can cooperate with the sliding seat and the fixed rod to lock or unlock the sliding seat and the fixed rod. The locking firmness and convenience of the above-mentioned quick switch mechanism need to be strengthened, so there is a demand for further improvement. Utility Model Content

[0003] The utility model provides a folding mechanism for the top of a pergola and a pergola frame, which overcome the shortcomings of the pergola in the background technology.

[0004] One of the technical solutions adopted by the utility model to solve the technical problem is: a folding mechanism for the top of the pergola, comprising:

[0005] An upper connecting seat, the upper connecting seat being rotatably connected to a plurality of first supporting rods;

[0006] A lower connecting seat, the lower connecting seat is rotatably connected to a plurality of connecting rods, and the plurality of connecting rods are rotatably connected to a plurality of first supporting rods respectively;

[0007] The connecting mechanism includes an inserting part fixedly mounted on the lower connecting seat, a slot provided on the upper connecting seat, a sliding part that can slide up and down relative to the inserting part, and a latch that is laterally slidably connected to the upper connecting seat. The inserting part and the slot cooperate to form a pluggable structure. A locking groove is recessed on the side wall of the sliding part. The plugging end of the latch can extend into the slot and be inserted into the locking groove of the sliding part. The groove wall of the locking groove is provided with a first guide sliding surface. Through the cooperation of the first guide sliding surface and the latch end of the latch, the sliding part slides downward to drive the latch to slide outward and exit the locking groove.

[0008] In one embodiment: a second guide sliding surface is provided at the top of the plug part, and the second guide sliding surface cooperates with the plug end of the plug so that the lower connecting seat drives the plug pin to slide outward and exit the slot during the upward movement of the plug part.

[0009] In one embodiment, a first elastic body is disposed between the latch and the upper connecting seat to generate elastic force to drive the latch to slide inward.

[0010] In one embodiment: the upper connecting seat includes a fixed plate, a first tube and a plurality of first connecting nests distributed outside the first tube are fixedly arranged under the fixed plate, the first tube forms the above-mentioned slot, and a plurality of first support rods are rotatably connected to the plurality of first connecting nests respectively; a mounting seat is fixedly arranged outside the first tube, the mounting seat is provided with a first through hole leading to the slot, the pin and the first elastic body are arranged in the mounting seat, and under the elastic force of the first elastic body, the plug-in end of the pin passes through the first through hole and extends into the slot.

[0011] In one embodiment: the inserting portion includes a second tube and a plug fixedly mounted on the top of the second tube, and the plug is provided with the above-mentioned second guide sliding surface.

[0012] In one embodiment: the inserting portion includes a second tube, the second tube is provided with a second through hole that runs through the inside and outside, the sliding portion is connected to the second tube by sliding up and down and slides between an upper position and a lower position relative to the second tube, the locking groove of the sliding portion located at the upper position corresponds to the second through hole of the second tube, the plug-in end of the pin extends into the slot, the second through hole and is inserted into the locking groove of the sliding portion.

[0013] In one embodiment: a guide post is fixedly provided in the second tube, the sliding portion is provided with a guide groove in the up-and-down direction, and the guide post is adapted to be connected in the guide groove.

[0014] In one embodiment, a second elastic body is disposed between the sliding portion and the inserting portion to generate elastic force to drive the sliding portion to slide upward.

[0015] In one embodiment: a pull handle is fixedly provided under the inserting portion, the sliding portion has an extending portion extending from under the second tube, and a grip is fixedly provided on the extending portion.

[0016] In one embodiment, the handle comprises a hand-gripping portion and fixing portions extending upward from two ends of the hand-gripping portion and fixedly connected to the inserting portion, and the handle is located in a space enclosed by the handle.

[0017] In one embodiment: the lower connecting seat includes a third tube and a plurality of second connecting nests distributed and fixedly connected to the outside of the third tube, a plurality of connecting rods are rotatably connected to the plurality of second connecting nests respectively; the inserting portion is fixedly connected to the inside of the third tube.

[0018] In one embodiment: the first guide sliding surface is arranged on the upper groove wall of the locking groove.

[0019] The second technical solution adopted by the utility model to solve its technical problem is: a pergola frame, including the pergola top folding mechanism and a plurality of columns; a fixed seat is fixedly provided on the top of each column, a sliding seat is slidably provided on each column, and a scissor-type folding mechanism is rotatably connected between the fixed seat and the sliding seat of each two adjacent columns among the plurality of columns; the end of the first support rod is rotatably connected to the second support rod, and the end of the second support rod is rotatably connected to the fixed seat; a support rod is rotatably connected to the sliding seat, and the end of the support rod is rotatably connected to the second support rod.

[0020] Compared with the background technology, this technical solution has the following advantages:

[0021] The top folding mechanism includes a connecting mechanism, which includes an inserting part, a slot, a sliding part and a latch. The inserting part and the slot cooperate to form a pluggable structure. The plugging end of the latch can extend into the slot and be inserted into the lock slot of the sliding part. The locking is achieved through the cooperation of the "plugging structure" and the "plugging of the latch and the lock slot". The locking is firm, stable and reliable. Moreover, when the latch and the lock slot are unlocked, the plugging structure is still in the plugging structure, which improves the stability during unlocking. The first guide surface and the latch end of the latch are cooperated to make the sliding part slide downward to drive the latch to slide outward and exit the lock slot, which is convenient for unlocking and improves the convenience of folding.

[0022] A second guide sliding surface is provided at the top of the plug-in part. Through the cooperation between the second guide sliding surface and the pin end of the pin, the lower connecting seat drives the pin to slide outward and exit the slot during the upward movement of the plug-in part, thereby improving the convenience of construction.

[0023] The upper connecting seat includes a fixed plate, a first tube and a plurality of first connecting nests are fixedly arranged under the fixed plate, the first tube forms the above-mentioned slot, a mounting seat is fixedly arranged outside the first tube, the mounting seat is provided with a first through hole leading to the slot, a latch and a first elastomer are arranged in the mounting seat, and under the elastic force of the first elastomer, the plug-in end of the latch passes through the first through hole and extends into the slot, and the structure is compact.

[0024] The inserting part includes a second tube, which is provided with a second through hole running through the inside and outside of the tube. The sliding part is connected in the second tube by sliding up and down and slides between an upper position and a lower position relative to the second tube. The locking groove of the sliding part located in the upper position corresponds to the second through hole of the second tube. The plug-in end of the pin extends into the slot, the second through hole and is inserted into the locking groove of the sliding part, which is convenient for construction and folding.

[0025] The pull handle comprises a hand-gripping portion and fixing portions extending upward from two ends of the hand-gripping portion and fixedly connected to the inserting portion. The gripping handle is located in a space surrounded by the pull handle, has a compact structure, and is convenient for users to use.

[0026] The lower connecting seat comprises a third tube and a plurality of second connecting nests distributed and fixedly connected to the outside of the third tube, a plurality of connecting rods are rotatably connected to the plurality of second connecting nests respectively, and the inserting part is fixedly connected to the inside of the third tube, so the structure is firm. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0028] Figure 1 It is a three-dimensional structural schematic diagram of a pergola frame according to a specific implementation method.

[0029] Figure 2 It is a schematic diagram of a three-dimensional partial exploded structure of a pergola frame according to a specific implementation method.

[0030] Figure 3 It is one of the three-dimensional schematic diagrams of the folding mechanism of the pergola top in the open state according to the specific implementation method.

[0031] Figure 4 This is the second three-dimensional schematic diagram of the folding mechanism of the pergola top in the open state according to the specific implementation method.

[0032] Figure 5 It is a three-dimensional exploded schematic diagram of a folding mechanism of a pergola top in an open state according to a specific implementation method.

[0033] Figure 6 It is a cross-sectional schematic diagram of a specific implementation method of a folding mechanism of a pergola top in an open state.

[0034] Figure 7 It is a cross-sectional schematic diagram of a folding mechanism for a pergola top in a specific implementation manner in a folding step.

[0035] Figure 8 It is a cross-sectional schematic diagram of a folding mechanism for the top of a pergola in a specific implementation manner in the second folding step.

[0036] Fig. 9 It is a cross-sectional schematic diagram of a folding mechanism for the top of a pergola in a specific implementation manner in the third folding step.

[0037] Fig.10 It is a cross-sectional schematic diagram of a folding mechanism for a pergola top in a specific implementation manner in a folding step four.

[0038] Fig.11 It is a cross-sectional schematic diagram of a folding mechanism for the top of a pergola in a specific implementation manner in the fifth folding step.

[0039] Fig.12 It is a three-dimensional schematic diagram of a folding mechanism for the top of a pergola in a specific implementation manner in the fifth folding step.

[0040] Fig.13 It is a cross-sectional schematic diagram of a folding mechanism of a pergola top in a folded state according to a specific implementation method.

[0041] Fig.14 It is a three-dimensional schematic diagram of a folding mechanism of a pergola top in a folded state according to a specific implementation method.

[0042] Description of labels:

[0043] A folding mechanism 1 for the top of the pergola, an upper connecting seat 11, a lower connecting seat 12, a connecting mechanism 13, a first supporting rod 14, a second supporting rod 15, a supporting rod 16, and a connecting rod 17;

[0044] The slot 111, the latch 112, the first elastic body 113, the fixing plate 114, the first tube 115, the first connection nest 116, the mounting seat 1151, the first through hole 1152, and the cover plate 1153;

[0045] Insertion portion 121, second guide sliding surface 1211, pull handle 1212, slide portion 122, guide groove 1221, grip 1222, outer sleeve 1223, slide rod 1224, lock groove 123, first guide sliding surface 1231, second elastic body 124, second tube 125, second through hole 1251, guide column 1252, plug 126, third tube 127, second connection nest 128;

[0046] Column 2, fixed seat 21, sliding seat 22;

[0047] Scissor-type folding mechanism3. DETAILED DESCRIPTION

[0048] Pergola, please see Figure 1 and Figure 2 , including a folding mechanism 1 for the top of the pergola and a plurality of columns 2; a fixed seat 21 is fixedly provided at the top of each column 2, a sliding seat 22 is slidably provided on each column 2, a scissor-type folding mechanism 3 is rotatably connected between the fixed seat 21 and the sliding seat 22 of each two adjacent columns 2 among the plurality of columns 2, and the scissor-type folding mechanism 3 includes a scissor-shaped connecting rod hinged in series; the folding mechanism 1 for the top of the pergola includes an upper connecting seat 11, a lower connecting seat 12 and a connecting mechanism 13, the upper connecting seat 11 is rotatably connected to a plurality of first supporting rods 14, the end of the first supporting rod 14 is rotatably connected to a second supporting rod 15, and the end of the second supporting rod 15 is rotatably connected to the fixed seat 21; a support rod 16 is rotatably connected to the sliding seat 22, and the end of the support rod 16 is rotatably connected to the middle of the second supporting rod 15; the lower connecting seat 12 is rotatably connected to a plurality of connecting rods 17, and the plurality of connecting rods 17 are rotatably connected to the middle of a plurality of first supporting rods 14 respectively.

[0049] Please refer to Figures 1 to 14The connecting mechanism 13 includes an inserting portion 121 fixedly mounted on the lower connecting seat 12, a slot 111 provided on the upper connecting seat 11, a sliding portion 122 capable of sliding up and down relative to the inserting portion 121, and a latch 112 slidably connected to the upper connecting seat 11 transversely; the inserting portion 121 and the slot 111 cooperate to form a pluggable structure; a locking groove 123 is recessed on the side wall of the sliding portion 122, and the plugging end of the latch 112 can extend into the slot 111 and be inserted into the locking groove 123 of the sliding portion 122, and the groove wall of the locking groove 123 is provided with a first guide slide The first guide sliding surface 1231 is arranged on the upper groove wall of the lock groove 123 and has an inclined surface structure. The first guide sliding surface 1231 cooperates with the pin end of the pin 112 to make the sliding part 122 slide downward and drive the pin 112 to slide outward and exit the lock groove 123; the top of the plug part 121 is provided with a second guide sliding surface 1211. The second guide sliding surface 1211 cooperates with the pin end of the pin 112 to make the lower connecting seat 12 drive the plug part 121 to slide outward and exit the slot 111 during the upward movement. A first elastic body 113 that generates elastic force to drive the pin 112 to slide inward is arranged between the pin 112 and the upper connecting seat 11. A second elastic body 124 that generates elastic force to drive the sliding part 122 to slide upward is arranged between the sliding part 122 and the plug part 121.

[0050] Furthermore, the sliding part 122 includes a jacket 1223 and a sliding rod 1224 fixed in the jacket. If the sliding part is made of plastic and the sliding rod is made of metal, it can not only ensure strength but also reduce friction.

[0051] The upper connecting seat 11 comprises a fixing plate 114, under which a first tube 115 and a plurality of first connecting nests 116 distributed outside the first tube 115 are fixedly arranged, wherein the first tube 115 forms the above-mentioned slot 111, and a plurality of first supporting rods 14 are rotatably connected to the plurality of first connecting nests 116 respectively; a mounting seat 1151 is fixedly arranged outside the first tube 115, wherein the end surface of the mounting seat 1151 is concavely provided with a mounting groove, and the bottom of the mounting groove is provided with a first through hole 115 connected to the slot 111 2. The latch 112 and the first elastic body 113 are arranged in the mounting seat 1151, and a cover plate 1153 is provided to fix and cover the notch of the mounting slot. The latch 112 is provided with a convex ring. The first elastic body 113 is a spring. The spring is sleeved outside the latch 112 and abuts between the convex ring and the cover plate. The front end of the latch 112 is adapted to connect the first through hole 1152. Then, under the elastic force of the first elastic body 113, the plug end of the latch 112 passes through the first through hole 1152 and extends into the slot 111.

[0052] The inserting part 121 includes a second tube 125 and a plug 126 fixed on the top of the second tube 125. The plug 126 is provided with the second guide sliding surface 1211. If the cross section of the second tube is rectangular, the top of the plug is a cone structure, and the guide sliding surface 1211 is an inclined surface. The second tube 125 is provided with a second through hole 1251 that penetrates inside and outside. The sliding part 122 is connected to the second tube 125 by sliding up and down and slides between the upper position and the lower position relative to the second tube 125. The locking groove 123 of the sliding part 122 located at the upper position corresponds to the second through hole 1251 of the second tube 125. The plugging end of the latch 112 extends into the slot 111, the second through hole 1251 and is inserted into the locking groove 123 of the sliding part. In order to provide guidance for the sliding of the sliding part 122 , a guide post 1252 is fixedly disposed in the second tube 125 . The sliding part 122 is provided with a guide groove 1221 in the up-and-down direction. The guide post 1252 is adapted to be connected in the guide groove 1221 .

[0053] A handle 1212 is fixedly provided under the inserting portion 121. The handle 1212 has a triangular structure and comprises a hand-gripping portion and a fixing portion extending upward from both ends of the hand-gripping portion and fixedly connected to the bottom of the inserting portion 121. The sliding portion 122 has an extending portion extending from under the second tube 125. A handle 1222 is fixedly provided on the extending portion. The handle 1222 is located in the space surrounded by the handle 1212.

[0054] The lower connection seat 12 includes a third tube 127 and a plurality of second connection nests 128 distributed and fixedly connected to the outside of the third tube, and a plurality of connecting rods are rotatably connected to the plurality of second connection nests respectively; the inserting portion 121 is fixedly connected to the inside of the third tube 127. A second convex ring is convexly provided on the outside of the sliding portion 122, and the second elastic body 124, such as a spring, is sleeved on the outside of the sliding portion 122 and abuts between the second convex ring and the top of the pull handle 1212.

[0055] Please refer to Figures 3 to 7 At this time, the top folding mechanism is in an open state, and the downward angle of the two symmetrically arranged connecting rods is less than 180 degrees, so that the top folding mechanism is in a dead angle state, which improves the firmness. In addition, the inserting portion 121 of the lower connecting seat 12 is inserted into the slot 111 of the upper connecting seat 11. The latch 112 passes through the first through hole and extends into the slot under the elastic force of the first elastic body, and passes through the second through hole and is inserted into the locking groove. Under the elastic force of the second elastic body, the sliding portion is maintained in the upper position, and is inserted into the locking groove under the elastic force of the first elastic body, which improves the locking firmness and the convenience of construction. Please refer to Figure 8 , the user's palm and thumb hold the handle, and the other four fingers hold the handle tightly. The handle drives the pull rod to move downward, and the first guide surface on the pull rod pushes the pin outward, so that the pin is out of the lock slot. Please refer to Fig. 9 , continue to move downward, the mechanism unlocks. Fig.10, continue to move downward, the plug part is out of the slot, the mechanism is completely unlocked, and the latch is reset under the action of the first elastic body. This can achieve the structure of unlocking the latch and the lock slot when the plug-in structure is in the plugged state, improving the stability of unlocking. Please refer to Figures 11 to 14 After the mechanism is unlocked, the handle can be released, and under the action of the second elastic body, the sliding part will reset and continue to move downward until it is in the folded state. During the opening process, the upward movable plug-in part is inserted into the slot through the lower connecting seat, and the two elastic bodies can be used to achieve plug-in and lock connection during the upward movement.

[0056] The above description is only a preferred embodiment of the present invention, and therefore cannot be used to limit the scope of implementation of the present invention. That is, equivalent changes and modifications made according to the patent scope of the present invention and the contents of the specification should still fall within the scope covered by the present invention.

Claims

1. A folding mechanism for the top of a pergola, comprising: An upper connecting seat, the upper connecting seat being rotatably connected to a plurality of first supporting rods; A lower connecting seat, the lower connecting seat is rotatably connected to a plurality of connecting rods, and the plurality of connecting rods are rotatably connected to a plurality of first supporting rods respectively; It is characterized by: also including: The connecting mechanism includes an inserting part fixedly mounted on the lower connecting seat, a slot provided on the upper connecting seat, a sliding part that can slide up and down relative to the inserting part, and a latch that is laterally slidably connected to the upper connecting seat. The inserting part and the slot cooperate to form a pluggable structure. A locking groove is recessed on the side wall of the sliding part. The plugging end of the latch can extend into the slot and be inserted into the locking groove of the sliding part. The groove wall of the locking groove is provided with a first guide sliding surface. Through the cooperation of the first guide sliding surface and the latch end of the latch, the sliding part slides downward to drive the latch to slide outward and exit the locking groove.

2. The folding mechanism for the top of the pergola according to claim 1, characterized in that: The top of the plug part is provided with a second guide sliding surface, and the second guide sliding surface cooperates with the plug end of the plug so that the lower connecting seat drives the plug pin to slide outwards and exit the slot during the upward movement of the plug part.

3. A folding mechanism for the top of a pergola according to claim 1 or 2, characterized in that: A first elastic body is arranged between the latch pin and the upper connecting seat to generate elastic force to drive the latch pin to slide inwards.

4. The folding mechanism for the top of the pergola according to claim 3, characterized in that: The upper connecting seat includes a fixing plate, a first tube and a plurality of first connecting nests distributed outside the first tube are fixedly arranged under the fixing plate, the first tube forms the above-mentioned slot, and a plurality of first support rods are rotatably connected to the plurality of first connecting nests respectively; a mounting seat is fixedly arranged outside the first tube, the mounting seat is provided with a first through hole leading to the slot, the latch and the first elastic body are arranged in the mounting seat, and the plug end of the latch passes through the first through hole and extends into the slot under the elastic force of the first elastic body.

5. The folding mechanism for the top of the pergola according to claim 2, characterized in that: The inserting part comprises a second tube and a plug fixedly arranged on the top of the second tube, and the plug is provided with the above-mentioned second guide sliding surface.

6. The folding mechanism for the top of the pergola according to claim 1, characterized in that: The inserting part comprises a second tube, which is provided with a second through hole which penetrates inside and outside. The sliding part is connected in the second tube for sliding up and down movement and slides between an upper position and a lower position relative to the second tube. The locking groove of the sliding part at the upper position corresponds to the second through hole of the second tube. The plugging end of the latch extends into the slot, the second through hole and is inserted into the locking groove of the sliding part.

7. The folding mechanism for the top of the pergola according to claim 6, characterized in that: A guide column is fixedly arranged in the second tube, and the sliding part is provided with a guide groove in the up-and-down direction, and the guide column is adapted to be connected in the guide groove.

8. The folding mechanism for the top of the pergola according to claim 1, characterized in that: A second elastic body is arranged between the sliding part and the inserting part to generate elastic force to drive the sliding part to slide upward.

9. The folding mechanism for the top of the pergola according to claim 6, characterized in that: A pull handle is fixedly arranged under the inserting part, and the sliding part has an extending part extending from under the second tube, and a grip is fixedly arranged on the extending part.

10. The folding mechanism for the top of the pergola according to claim 9, characterized in that: The pull handle comprises a hand-gripping portion and fixing portions extending upward from two ends of the hand-gripping portion and fixedly connected to the inserting portion. The gripping handle is located in a space surrounded by the pull handle.

11. The folding mechanism for the top of the pergola according to claim 1, characterized in that: The lower connecting seat comprises a third tube and a plurality of second connecting nests distributed and fixedly connected outside the third tube, a plurality of connecting rods are rotatably connected to the plurality of second connecting nests respectively; the inserting part is fixedly connected inside the third tube.

12. The folding mechanism for the top of the pergola according to claim 1, characterized in that: The first guide sliding surface is arranged on the upper groove wall of the locking groove.

13. A pergola, characterized in that: It comprises a folding mechanism for the top of a pergola and a plurality of columns according to claim 1; a fixed seat is fixedly provided on the top of each column, a sliding seat is slidably provided on each column, and a scissor-type folding mechanism is rotatably connected between the fixed seat and the sliding seat of each two adjacent columns among the plurality of columns; the end of the first support rod is rotatably connected to the second support rod, and the end of the second support rod is rotatably connected to the fixed seat; a support rod is rotatably connected to the sliding seat, and the end of the support rod is rotatably connected to the second support rod.

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