A top and bottom connecting member

Abstract

The utility model provides a kind of upper and lower connecting components, including upper connecting piece and lower connecting piece, the upper connecting piece is installed on the lower connecting piece, the upper connecting piece and lower connecting piece are provided with the butt joint of the upper connecting piece and lower connecting piece for butt joint, the lower connecting piece is provided with the abutment portion for locking butt joint state after the butt joint of the upper connecting piece and lower connecting piece, locking butt joint state, the upper connecting piece and lower connecting piece are fixedly connected.The upper connecting piece and lower connecting piece of the utility model are fixed on two articles to be connected respectively, after the butt joint of the upper connecting piece and lower connecting piece, the abutment portion is pressed against the upper connecting piece or lower connecting piece, so that the two are kept in butt joint state and fixed.It can be used for upper and lower connection, also can be used for left and right connection, also can be used for front and rear connection.The utility model is simple in structure, can be connected quickly, and has higher carrying capacity.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of connecting accessories, especially to an upper and lower connecting component. BACKGROUND

[0002] In products such as seats and sofas, in order to facilitate transportation, they are often not transported in a fully assembled form, but are divided into several parts, which are delivered to the destination and then installed on site by the user or an installer. Therefore, the demand for quick connectors in such products has increased, such as quick connection and installation between the seat surface and the seat leg (support structure), quick connection and installation between the backrest and the seat surface, and quick connection and installation between the seat surface and the armrest. The utility model aims to provide a connecting component for quick assembly and connection between two parts. SUMMARY

[0003] In view of the technical needs of the prior art described above, the utility model aims to provide an upper and lower connecting component.

[0004] To achieve the above technical purposes, the utility model adopts the following technical solutions:

[0005] The utility model provides an upper and lower connecting component, which comprises an upper connecting piece and a lower connecting piece, the upper connecting piece is installed on the lower connecting piece, the upper connecting piece and the lower connecting piece are provided with a butt joint part for butt joint of the upper connecting piece and the lower connecting piece, the lower connecting piece is provided with an abutting part for locking the butt joint state after the butt joint part of the upper connecting piece and the lower connecting piece is butt jointed, and the upper connecting piece and the lower connecting piece are fixedly connected in the locked butt joint state.

[0006] In a preferred embodiment, the upper and lower connecting component, the abutting part comprises a fixing seat and a pushing seat, the pushing seat is slidably installed on the fixing seat, a pushing piece for adjusting the relative position of the pushing seat and the fixing seat on the fixing seat is arranged between the fixing seat and the pushing seat, the pushing piece pushes the pushing seat and the upper connecting piece to abut and cooperate, and locks the butt joint state of the upper connecting piece and the lower connecting piece after butt joint.

[0007] Specifically, the upper and lower connecting component, the pushing piece comprises a bolt and a nut, the bolt is rotatably installed on the fixing seat, the nut is fixed on the pushing seat, the bolt is threadedly connected with the nut, the relative position of the bolt and the fixing seat is unchanged, and the bolt is rotated to drive the pushing seat to move.

[0008] Further, the upper and lower connecting component is provided with a fixed seat, a fixed arm is arranged on the fixed seat, a through hole is arranged on the fixed arm, the bolt is connected with the nut through the through hole, an abutting arm is arranged on the lower connecting piece, the fixed seat is located on the inner side of the abutting arm, the screw head is clamped between the abutting arm and the fixed arm, and a through hole exposing the inner hole of the screw head is further arranged on the abutting arm.

[0009] In a preferred embodiment, the upper and lower connecting component is provided with a limiting part between the fixed seat and the pushing seat to limit the sliding range of the pushing seat.

[0010] Specifically, the upper and lower connecting component is provided with a sliding channel between the fixed seat and the lower connecting piece, the pushing seat is arranged in the sliding channel and slides in the sliding channel, the limiting part includes a limiting protrusion and a limiting groove, the limiting protrusion is fixedly connected with the fixed seat, the limiting groove is arranged on the pushing seat, and the limiting protrusion is located on the fixed seat; or the limiting groove is arranged on the fixed seat, and the limiting protrusion is located on the pushing seat.

[0011] In a preferred embodiment, the upper and lower connecting component is provided with an abutting part including an upper front abutting tooth and a lower front abutting hole, the upper front abutting tooth is arranged on one side of the upper connecting piece, the lower front abutting hole is arranged on one side of the lower connecting piece, and the upper front abutting tooth is in abutting cooperation with the lower front abutting hole.

[0012] Specifically, the upper and lower connecting component is further provided with an upper rear abutting hole and a lower rear abutting tooth, the upper rear abutting hole is arranged on the other side of the upper connecting piece, the lower rear abutting tooth is arranged on the other side of the lower connecting piece, and the upper rear abutting hole is in abutting cooperation with the lower rear abutting tooth.

[0013] Further, the upper and lower connecting component is provided with an inner cavity in the lower connecting piece, the abutting part is located in the inner cavity, the upper connecting piece is arranged on the lower connecting piece, the upper front abutting tooth is located in the front lower part of the upper connecting piece, the upper rear abutting hole is located in the rear upper part of the upper connecting piece, the lower front abutting hole is located in the front lower part of the lower connecting piece, and the lower rear abutting tooth is located in the rear upper part of the lower connecting piece.

[0014] In a preferred embodiment, the upper and lower connecting component is provided with a sunken part in the upper connecting piece, the upper front abutting tooth is arranged on the front end of the sunken part, the abutting part is provided with a wedge-shaped abutting end, and the abutting end abuts with the sunken part from the lower rear side of the sunken part.

[0015] Compared with the prior art, the utility model provides an upper and lower connecting part, including upper connecting piece and lower connecting piece, the upper connecting piece is installed on the lower connecting piece, the upper connecting piece and lower connecting piece are provided with the butt joint part for the butt joint of upper connecting piece and lower connecting piece, the lower connecting piece is provided with the abutment part for locking the butt joint state after the butt joint of upper connecting piece and lower connecting piece, under the locking butt joint state, the upper connecting piece and lower connecting piece fixed connection, the upper connecting piece and lower connecting piece of the utility model are fixed on two articles needing to be connected respectively, after the butt joint of upper connecting piece and lower connecting piece, the abutment part is kept against upper connecting piece or lower connecting piece, and the butt joint state is kept fixed. It is not only limited to the connection of upper and lower orientation, can be used to upper and lower connection, also can be used to left and right connection, can be used to front and back connection, and other orientation connection is also within the range of the utility model. The utility model structure is simple, can connect fast, and has higher carrying capacity. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The structure schematic view of the upper and lower connecting part provided by the utility model.

[0017] Figure 2 The angle structure schematic view of the upper connecting piece and lower connecting piece separation of the upper and lower connecting part provided by the utility model.

[0018] Figure 3 The angle structure schematic view of the upper connecting piece and lower connecting piece separation of the upper and lower connecting part provided by the utility model.

[0019] BRIEF DESCRIPTION OF DRAWINGS:

[0020] Upper connecting piece 100

[0021] Lower connecting piece 200

[0022] Butt joint part 300

[0023] Abutment part 400

[0024] Upper front butt joint tooth 101

[0025] Lower front butt joint interface 201

[0026] Upper rear butt joint interface 102

[0027] Lower rear butt joint tooth 202

[0028] Inner cavity 203

[0029] Sunken part 103

[0030] Abutment end 421

[0031] Fixed seat 410

[0032] pushing seat 420

[0033] pushing member 430

[0034] screw 431

[0035] nut 432

[0036] fixed arm 411

[0037] via hole 412

[0038] abutting arm 210

[0039] through hole 211

[0040] limiting portion 440

[0041] slide 450

[0042] limiting block 441

[0043] limiting groove 442 DETAILED DESCRIPTION

[0044] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail by combining with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0045] It should be noted that when a component is referred to as "mounted on", "fixed on" or "disposed on" another component, it can be directly on another component or there can be a middle component. When a component is referred to as "connected to" another component, it can be directly connected to another component or there can be a middle component.

[0046] It should also be noted that the left, right, up, down and other orientation terms in the embodiments of the utility model are only relative concepts or are with reference to the normal use state of the product, and should not be considered as limiting.

[0047] As Figure 1 , Figure 2 and Figure 3The utility model provides a kind of upper and lower connecting parts, including upper connecting piece 100 and lower connecting piece 200, the upper connecting piece 100 is equipped on the lower connecting piece 200, the upper connecting piece 100 and lower connecting piece 200 are provided with the butt joint part 300 for the butt joint of the upper connecting piece 100 and lower connecting piece 200, the lower connecting piece 200 is provided with the abutment part 400 for locking butt joint state after the butt joint of the upper connecting piece 100 and lower connecting piece 200, locking butt joint state, the upper connecting piece 100 and lower connecting piece 200 are fixedly connected.The upper connecting piece 100 and lower connecting piece 200 of the utility model are fixed on the two articles needing to be connected respectively, after the butt joint of the upper connecting piece 100 and lower connecting piece 200, the abutment part 400 is kept in butt joint state by being pressed against the upper connecting piece 100 or lower connecting piece 200, and the utility model structure is simple, can be connected fast, and have higher carrying capacity.It needs to be noted that the utility model is not limited to the connection of upper and lower directions, can be used for upper and lower connection, also can be used for left and right connection, also can be used for front and rear connection, and other directions connection is also within the scope of the utility model.

[0048] Preferably, the upper and lower connecting parts provided by the utility model, the butt joint part 300 includes upper front butt joint tooth 101 and lower front butt joint interface 201, the upper front butt joint tooth 101 is arranged on one side of the upper connecting piece 100, the lower front butt joint interface 201 is arranged on one side of the lower connecting piece 200, and the upper front butt joint tooth 101 is butt jointed with the lower front butt joint interface 201.This embodiment is by the upper front butt joint tooth 101 into the lower front butt joint interface 201, so that the upper connecting piece 100 and lower connecting piece 200 complete butt joint, in this embodiment, after front and rear butt joint, the upper connecting piece 100 and lower connecting piece 200 are constrained to move up and down and left and right, that is, the freedom degree perpendicular to butt joint direction is limited.Then, by the abutment part 400 along butt joint direction, locking butt joint state is locked, and the fixation of the upper connecting piece 100 and lower connecting piece 200 is kept.Specifically, the upper and lower connecting parts provided by the utility model, the butt joint part 300 also includes upper rear butt joint interface 102 and lower rear butt joint tooth 202, the upper rear butt joint interface 102 is arranged on the other side of the upper connecting piece 100, the lower rear butt joint tooth 202 is arranged on the other side of the lower connecting piece 200, and the upper rear butt joint interface 102 is butt jointed with the lower rear butt joint tooth 202.More specifically, the upper rear butt joint interface 102 and lower rear butt joint tooth 202, upper front butt joint tooth 101 and lower front butt joint interface 201 are a pair.

[0049] Further, the upper and lower connecting component, the lower connecting piece 200 has an inner cavity 203, the abutment portion 400 is located in the inner cavity 203, the upper connecting piece 100 is covered on the lower connecting piece 200, the upper front butt joint tooth 101 is located in the front lower part of the upper connecting piece 100, the upper rear butt joint 102 is located in the upper rear part of the upper connecting piece 100, the lower front butt joint 201 is located in the front lower part of the lower connecting piece 200, and the lower rear butt joint tooth 202 is located in the rear upper part of the lower connecting piece 200. Preferably, the upper and lower connecting component, the upper connecting piece 100 has a sunken part 103, the upper front butt joint tooth 101 is arranged at the front end of the sunken part 103, the abutment portion 400 has a wedge-shaped abutment end 421, and the abutment end 421 abuts against the sunken part 103 from the lower rear of the sunken part 103. Under this structure, the abutment end 421 not only abuts against the sunken part 103 forwardly, but also abuts against the sunken part 103 upwardly, so that the upper front butt joint tooth 101 is lifted up, and correspondingly, the upper rear butt joint 102 is pressed down, so that the fastening of the butt joint part 300 can be ingeniously increased, thereby ensuring the stability of the upper and lower connecting component. Moreover, the sunken part 103 and the upper connecting piece 100 have a transition inclined surface, and the wedge-shaped abutment end 421 is matched, so that the structure can quickly slide to the butt joint direction during butt joint, thereby facilitating butt joint.

[0050] Preferably, the upper and lower connecting component comprises an abutting part 400, the abutting part 400 comprises a fixed seat 410 and a pushing seat 420, the pushing seat 420 is slidably arranged on the fixed seat 410, a pushing piece 430 is arranged between the fixed seat 410 and the pushing seat 420, the pushing piece 430 adjusts the relative position of the pushing seat 420 and the fixed seat 410 on the fixed seat 410, the pushing piece 430 pushes the pushing seat 420 and the upper connecting piece 100 to abut and cooperate, and locks the abutting state of the upper connecting piece 100 and the lower connecting piece 200 after abutting. Specifically, the upper and lower connecting component comprises a bolt 431 and a nut 432, the bolt 431 is rotatably arranged on the fixed seat 410, the nut 432 is fixed on the pushing seat 420, the bolt 431 is threadedly connected with the nut 432, the relative position of the bolt 431 and the fixed seat 410 is unchanged, the pushing seat 420 is driven to move by rotating the bolt 431, and thus the structure is relatively simple, which is helpful to reduce the cost. Further, the fixed seat 410 is provided with a fixed arm 411, the fixed arm 412 is provided with a through hole 412, the bolt 431 passes through the through hole 412 and is connected with the nut 432, the lower connecting piece 200 is provided with an abutting arm 210, the fixed seat 410 is located on the inner side of the abutting arm 210, the screw head of the bolt 431 is clamped between the abutting arm 210 and the fixed arm 411, thus the bolt 431 can be prevented from falling off simply, and the abutting arm 210 is further provided with a through hole 211 of the inner hole of the exposed screw head. Thus, the bolt 431 can be directly locked or unlocked by using a screwdriver through the through hole. The structure of the abutting part 400 not only has high fastening property and is not easy to loosen, but also has very low cost. Of course, the abutting part 400 can also adopt other forms, such as abutting through a crank, the crank has an abutting end 421 on the other side of the rotating center, and the abutting or disengaging is realized by rotating the abutting end 421 of the crank.

[0051] Preferably, the upper and lower connecting component is characterized in that a limiting portion 440 for limiting the sliding range of the push seat 420 is arranged between the fixing seat 410 and the push seat 420. Specifically, the upper and lower connecting component is characterized in that a sliding channel 450 is arranged between the fixing seat 410 and the lower connecting piece 200, the push seat 420 is arranged in the sliding channel 450 and slides in the sliding channel 450, the limiting portion 440 comprises a limiting protrusion 441 and a limiting groove 442, the limiting protrusion 441 is fixedly connected with the fixing seat 410, the limiting groove 442 is arranged on the push seat 420, and the limiting protrusion 441 is located on the fixing seat 410; or the limiting groove 442 is arranged on the fixing seat 410, and the limiting protrusion 441 is located on the push seat 420. More specifically, in the embodiment, the limiting groove 442 is arranged on the push seat 420, the limiting protrusion 441 is located on the fixing seat 410, the push seat 420 is a sliding plate that slides on the surface of the lower connecting piece 200, the limiting groove 442 is arranged on the left and right sides of the push seat 420, and the limiting protrusion 441 is correspondingly provided with two limiting protrusions. In this way, the parts can be better limited and protected, and the service life of the product can be improved.

[0052] In summary, the utility model has the advantages of simple structure, quick connection and high bearing capacity. It should be noted that the utility model is not limited to the connection in the up-down direction, and can be used for connection in the up-down direction, left-right direction and front-rear direction, and connection in other directions is also within the scope of the utility model. In addition to abutting against the sinking portion forwardly, the abutting end of the utility model also abuts against the sinking portion upwardly, so that the front abutting teeth are lifted up, and the rear abutting interface is correspondingly pressed down, thereby the fastening of the abutting portion is cleverly increased, and the stability of the upper and lower connecting component is ensured. Moreover, the sinking portion and the upper connecting piece have a transition inclined surface, and the abutting end is wedge-shaped, so that the abutting portion can quickly slide to the abutting direction during abutting, and abutting is facilitated.

[0053] In addition, the utility model can directly use a screwdriver to adjust the bolt locking or unlocking through the through hole. The structure of the abutting portion has high fastening and is not easy to loosen, and the cost is very low. Of course, the abutting portion can also adopt other forms, such as abutting through a crank, and the crank has an abutting end on the other side of the rotation center, and the abutting or disengaging of the abutting end is realized by rotating the crank.

[0054] It can be understood that, for ordinary skilled persons in the art, equivalent replacement or change can be made according to the technical scheme and the utility model concept of the utility model, and all these changes or replacements shall belong to the protection scope of the claims attached to the utility model.

Claims

1. A connecting component for upper and lower parts, characterized in that, The device includes an upper connector (100) and a lower connector (200). The upper connector (100) is mounted on the lower connector (200). The upper connector (100) and the lower connector (200) are provided with a mating part (300) for mating. The lower connector (200) is provided with an abutment part (400) for locking the mating state after the mating parts (300) of the upper connector (100) and the lower connector (200) are mated. In the locked mating state, the upper connector (100) and the lower connector (200) are fixedly connected.

2. The upper and lower connecting components according to claim 1, characterized in that, The abutting part (400) includes a fixed seat (410) and a push seat (420). The push seat (420) is slidably mounted on the fixed seat (410). A push member (430) is provided between the fixed seat (410) and the push seat (420) to adjust the relative position of the push seat (420) and the fixed seat (410). The push member (430) pushes the push seat (420) to abut against the upper connector (100) to lock the docking state of the upper connector (100) and the lower connector (200) after docking.

3. The upper and lower connecting components according to claim 2, characterized in that, The pusher (430) includes a bolt (431) and a nut (432). The bolt (431) is rotatably mounted on the fixed seat (410), and the nut (432) is fixed on the pusher seat (420). The bolt (431) and the nut (432) are threadedly connected. The relative position of the bolt (431) and the fixed seat (410) remains unchanged. Rotating the bolt (431) drives the pusher seat (420) to move.

4. The upper and lower connecting components according to claim 3, characterized in that, The fixing base (410) is provided with a fixing arm, the fixing arm is provided with a through hole, the bolt (431) passes through the through hole and is connected to the nut (432), the lower connector (200) is provided with an abutment arm, the fixing base (410) is located inside the abutment arm, the screw head of the bolt (431) is clamped between the abutment arm and the fixing arm, and the abutment arm is also provided with a through hole with the inner hole of the screw head exposed.

5. The upper and lower connecting components according to claim 2, characterized in that, A limiting part (440) is provided between the fixed base (410) and the push base (420) to limit the sliding range of the push base (420).

6. The upper and lower connecting components according to claim 5, characterized in that, A slide (450) is provided between the fixed base (410) and the lower connector (200). The pusher (420) is installed in the slide (450) and slides along the slide (450). The limiting part (440) includes a limiting protrusion (441) and a limiting groove (442). The limiting protrusion (441) is fixedly connected to the fixed base (410). The limiting groove (442) is disposed on the pusher (420). The limiting protrusion (441) is located on the fixed base (410); or the limiting groove (442) is disposed on the fixed base (410). The limiting protrusion (441) is located on the pusher (420).

7. The upper and lower connecting components according to any one of claims 1-6, characterized in that, The docking part (300) includes an upper front docking tooth (101) and a lower front docking interface (201). The upper front docking tooth (101) is disposed on one side of the upper connector (100), and the lower front docking interface (201) is disposed on one side of the lower connector (200). The upper front docking tooth (101) and the lower front docking interface (201) are docked and engaged.

8. The upper and lower connecting components according to claim 7, characterized in that, The docking part (300) further includes an upper rear docking interface (102) and a lower rear docking tooth (202). The upper rear docking interface (102) is located on the other side of the upper connector (100), and the lower rear docking tooth (202) is located on the other side of the lower connector (200). The upper rear docking interface (102) and the lower rear docking tooth (202) are docked and engaged.

9. The upper and lower connecting components according to claim 8, characterized in that, The lower connector (200) has an inner cavity (203), the abutment portion (400) is located in the inner cavity (203), the upper connector (100) covers the lower connector (200), the upper front mating tooth (101) is located at the lower front part of the upper connector (100), the upper rear mating interface (102) is located at the upper rear part of the upper connector (100), the lower front mating interface (201) is located at the lower front part of the lower connector (200), and the lower rear mating tooth (202) is located at the upper rear part of the lower connector (200).

10. The upper and lower connecting components according to claim 9, characterized in that, The upper connector (100) has a recessed portion (103), the upper front mating tooth (101) is disposed at the front end of the recessed portion (103), and the abutting portion (400) has a wedge-shaped abutting end (421), the abutting end (421) abutting against the recessed portion (103) from the rear lower part.

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