CN216651644U

CN216651644U - Straight-pull turnover mechanism and folding table

Info

Publication number: CN216651644U
Application number: CN202120312963.0U
Authority: CN
Inventors: 陶声荣; 李晓刚
Original assignee: Jiangsu Jiete Intelligent Furniture Co ltd
Current assignee: Jiangsu Jiete Intelligent Furniture Co ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2022-06-03
Anticipated expiration: 2031-02-04

Abstract

The utility model relates to the technical field of turning and folding, in particular to a straight-pull type turning mechanism and a folding table, which comprise a first turning part and a second turning part, one end of the first turnover part and one end of the second turnover part are connected through a rotating shaft, the other end of the first turnover part is provided with a pull rod capable of moving transversely, the other end of the second turnover part is provided with a clamping groove, a reset structure which can provide tension to make the pull rod move towards the rotating shaft and be clamped in the clamping groove is connected between the rotating shaft and the pull rod, a pull ring is arranged on the outer side of the pull rod, the straight pull type turnover mechanism has simple structure and convenient operation, can be turned over only by pulling and unlocking by hands, therefore, the turnover efficiency can be improved, the use experience of the client is improved, the structure of the application is suitable for the folding table, it is as connecting elements, can make things convenient for folding between desktop and the table leg, is convenient for transportation and accomodate, and the customer uses and experiences well.

Description

Straight-pull type turnover mechanism and folding table

Technical Field

The utility model relates to the technical field of turnover folding, in particular to a straight-pull turnover mechanism and a folding table.

Background

In daily life, furniture such as tables and chairs are usually designed into a foldable structure so as to be convenient to store or transport. The folding structure in the prior art is usually complex and has high production cost; or the operation is inconvenient and the use experience is poor.

Chinese patent CN108302115B discloses a folding table, which comprises a table board and a table frame arranged below the table board, wherein the table board comprises a table top main board and a table top auxiliary board connected by a turnover mechanism; the turnover mechanism comprises a fixing piece, a connecting pin and a supporting piece which are positioned on the same axis, wherein one end of the connecting pin is connected with the fixing piece, the other end of the connecting pin is rotatably connected with the supporting piece, a spring and a sleeve are sleeved on the connecting pin, the spring is positioned in the sleeve and close to the fixing piece, a spring limiting part is arranged in the sleeve, and the sleeve is in threaded connection with the supporting piece; this folding table makes folding table realize the table folding function through turning over a mechanism, though can reduce to a certain extent and take up an area of the space to reduce the installation procedure, it is various that the mechanism also has the part to turn over, and folding and reset also have certain inconvenience.

SUMMERY OF THE UTILITY MODEL

Aiming at overcoming the defects, the utility model provides a straight-pull turnover mechanism and a folding table. The turnover mechanism has the characteristics of simple structure and convenience in operation, and can greatly reduce the manufacturing cost.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a straight-pull type tilting mechanism, characterized by contains upset portion one and upset portion two, the one end of upset portion one and upset portion two links to each other through the pivot, and the other end of upset portion one is provided with the pull rod that can lateral motion, and the other end of upset portion two is provided with the draw-in groove, be connected with between pivot and the pull rod and provide the pulling force and make the pull rod move to the pivot and make the reset structure of pull rod card in the draw-in groove, the pull ring is installed in the outside of pull rod.

According to another embodiment of the utility model, the reset structure is a tension spring, and two ends of the reset structure are respectively connected with the rotating shaft and the pull rod hook. The structure that resets can be for any structure that provides the restoring force, and this application adopts the extension spring, has simple structure, easily installation and advantage with low costs.

According to another embodiment of the utility model, it further comprises that the first turnover part and the second turnover part are each U-shaped in cross section, wherein the distance between the two inner side walls of the first turnover part is larger than the distance between the two outer side walls of the second turnover part.

According to another embodiment of the utility model, the turnover part is provided with a pull rod through a kidney-shaped groove. The kidney-shaped groove is transversely arranged, and the pull rod can transversely move in the kidney-shaped groove, so that a better limiting and guiding effect is formed.

According to another embodiment of the present invention, further comprising the card slot being n-shaped. Due to the tensile force effect of the reset structure, the pull rod can be close to the rotating shaft, so that the pull rod is clamped in the clamping groove, and the n-shaped structure is adopted, so that the pull rod can be clamped in the clamping groove and can be conveniently separated from the clamping groove.

According to another embodiment of the utility model, the clamping groove is provided with an extrusion bevel edge below. The arrangement of the extrusion bevel edge is convenient for the second overturning part to reset.

The application also provides a folding table, the table top and the table legs of the folding table are connected through the straight pull type turnover mechanism, wherein the first turnover part is connected with the table legs, and the second turnover part is connected with the table top. Of course, the first turnover part can be connected with the desktop, and the second turnover part is connected with the desk legs, and the same effect can be achieved, namely the connection positions of the straight-pull turnover mechanism can be interchanged, and the straight-pull turnover mechanism can be selected and applied according to installation requirements. Use straight pull formula tilting mechanism on folding table, only need hand power unblock alright upset folding, folding convenience, light, customer uses to experience well.

According to another embodiment of the utility model, the lower ends of the table legs are also connected with a bottom plate, and the table legs are connected with the bottom plate through the straight-pull turnover mechanism. Like this, also can easily fold between table leg and the bottom plate, further reduce the volume after folding to be convenient for transport or accomodate.

According to another embodiment of the utility model, the table leg is further provided with a lifting device. The height of the table can be adjusted by adopting the liftable table legs, so that the table is suitable for different user requirements.

According to another embodiment of the present invention, it is further comprised that the table legs are lifted and lowered by means of pneumatic rods.

The utility model has the advantages that when the connecting component is used as a normal connecting component, the second turnover part and the first turnover part are locked, the two parts do not act mutually, when the connecting component needs to be turned over, the pull ring is pulled manually, the resistance of the reset structure is overcome, the pull rod transversely moves towards the outer side, the pull rod is far away from the rotating shaft until the pull rod is separated from the clamping groove, the second turnover part and the first turnover part realize unlocking, and then the second turnover part and the first turnover part can rotate mutually and both use the rotating shaft as a rotating center; when needs reset, upset portion two or upset portion one use the pivot to rotate as rotation center, until upset portion two is located upset portion one, support the pull rod and extrude the pull rod lateral shifting to the outside when upset portion two, upset portion two falls into upset portion one completely, and afterwards, reset structure provides the pulling force, makes the pull rod move to the pivot and make the pull rod card in the draw-in groove, and upset portion two and upset portion one reply to the locking state, can not have the interact between the two. This kind of straight pull formula tilting mechanism, simple structure, convenient operation only needs the hand power unblock alright upset, consequently, can improve turnover efficiency, promotes the customer and uses experience.

The structure of this application is applicable to folding table, and it can make things convenient for folding between desktop and the table leg as connecting elements, is convenient for transport and accomodates, and the customer uses and experiences well.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is a front view of the structure of the present invention;

FIG. 4 is a schematic diagram one of the present invention after flipping;

FIG. 5 is a second schematic illustration of the present invention after flipping;

FIG. 6 is a schematic diagram of the recovery of the present invention;

FIG. 7 is a perspective view of the folding table;

FIG. 8 is a cross-sectional view of the folding table;

fig. 9 is a perspective view showing the folded table in a folded state.

In the figure, the device comprises a first turnover part 1, a second turnover part 2, a second turnover part 3, a rotating shaft 4, a pull rod 5, a clamping groove 6, a reset structure 7, a pull ring 8, a kidney-shaped groove 9, an extrusion bevel edge 10, a desktop 11, desk legs 12, a bottom plate 13 and a mounting plate.

Detailed Description

Fig. 1 to 6 are schematic structural diagrams of the present invention, and a straight pull type turnover mechanism is characterized by comprising a first turnover part 1 and a second turnover part 2, wherein one ends of the first turnover part 1 and the second turnover part 2 are connected through a rotating shaft 3, the other end of the first turnover part 1 is provided with a pull rod 4 capable of moving transversely, the other end of the second turnover part 2 is provided with a clamping groove 5, a reset structure 6 capable of providing a pulling force to enable the pull rod 4 to move towards the rotating shaft 3 and to enable the pull rod 4 to be clamped in the clamping groove 5 is connected between the rotating shaft 3 and the pull rod 4, and a pull ring 7 is installed on the outer side of the pull rod 4.

The specific principle is as follows: when being normal connecting elements, upset portion two 2 is located upset portion one 1, reset structure 6 provides pulling force and makes pull rod 4 block in the draw-in groove 5 of upset portion two 2, upset portion two 2 and the locking of upset portion one 1 position, there is not the interact between the two, when the needs upset, manual pull ring 7 that draws, overcome reset structure 6's resistance, make pull rod 4 outside lateral shifting, pull rod 4 keeps away from pivot 3 until breaking away from each other with draw-in groove 5, the unblock is realized to upset portion two 2 and upset portion one 1, afterwards, can there be mutual rotation between upset portion two 2 and the upset portion one 1, all use pivot 3 as rotation center. When needs reset, upset portion two 2 or upset portion one 1 use pivot 3 to rotate as rotation center, until upset portion two 2 is located upset portion one 1, support pull rod 4 and extrude pull rod 4 lateral transverse movement to the outside when upset portion two 2, upset portion two 2 falls into upset portion one 1 completely, afterwards, reset structure 6 provides the pulling force, make pull rod 4 move and make pull rod 4 block in draw-in groove 5 to pivot 3, upset portion two 2 and upset portion one 1 reply to the locking state, can not have the interact between the two.

This kind of straight pull formula tilting mechanism, simple structure, convenient operation only needs the hand power unblock alright upset, consequently, can improve turnover efficiency, promotes the customer and uses experience.

According to another embodiment of the utility model, the reset structure 6 is a tension spring, and two ends of the reset structure 6 are respectively connected with the rotating shaft 3 and the pull rod 4 in a hook manner. The reset structure 6 can be any structure that provides the restoring force, and this application adopts the extension spring, has simple structure, easily installs and advantage with low costs.

It is worth mentioning that the mounting plate 13 is penetrated on the pull rod 4, the through hole is arranged on the inner side of the mounting plate 13 and connected with the tension spring hook, and the pull ring 7 is penetrated on the outer side of the mounting plate 13, so that the use is convenient.

According to another embodiment of the present invention, the cross-sections of the first turning part 1 and the second turning part 2 are n-shaped, wherein the distance between the two inner side walls of the first turning part 1 is larger than the distance between the two outer side walls of the second turning part 2. The first overturning part 1 and the second overturning part 2 can be sheet metal parts, die castings or injection molding parts, the sheet metal parts are adopted in the application, and the sheet metal parts have the advantages of easiness in forming and easiness in batch production.

Specifically, the rotating shaft 3 respectively penetrates through two side walls of the first turning part 1 and the second turning part 2 to realize the hinge connection between the two, and the pull rod 4 penetrates through two side walls of the first turning part 1. The distance between two inner side walls of the first turnover part 1 is slightly larger than the distance between two outer side walls of the second turnover part 2, and a certain gap exists, so that the second turnover part 2 can be completely buckled in the first turnover part 1, and the whole body is of a cuboid structure and has better strength. The first turnover part 1 and the second turnover part 2 are made of sheet metal parts, and the sheet metal parts have the advantages of easiness in forming and batch production.

According to another embodiment of the utility model, it further comprises that the turning part I1 is provided with a pull rod 4 through a kidney-shaped groove 8. The kidney-shaped groove 8 is transversely arranged, and the pull rod 4 can transversely move in the kidney-shaped groove 8, so that a better limiting and guiding effect is formed.

According to another embodiment of the present invention, it is further included that the card slot 5 is n-shaped. Due to the tensile force of the reset structure 6, the pull rod 4 can be close to the rotating shaft 3, so that the pull rod 4 is clamped in the clamping groove 5, and the n-shaped structure is adopted, so that the pull rod 4 can be clamped in the clamping groove 5, and meanwhile, the pull rod 4 can be conveniently separated from the clamping groove 5.

According to another embodiment of the present invention, it further comprises that an extrusion bevel 9 is arranged below the card slot 5. The setting of extrusion hypotenuse 9 is convenient for upset portion two 2 to reset, specifically speaking, upset portion two 2 or upset portion one 1 use pivot 3 to rotate as rotation center, until upset portion two 2 is located upset portion one 1, at this moment, extrusion hypotenuse 9 supports pull rod 4 and extrudees pull rod 4 outside lateral shifting to be convenient for upset portion two 2 falls into in upset portion one 1 completely.

The present application also provides a folding table, as shown in fig. 7-9, in which a table top 10 and legs 11 are connected by the aforementioned vertical pulling type tilting mechanism, wherein a first tilting portion 1 is connected to the legs 11, and a second tilting portion 2 is connected to the table top 10. Of course, the first turnover part 1 can be connected with the desktop 10, and the second turnover part 2 can be connected with the desk legs 11, so that the same effect can be achieved, namely, the connection positions of the straight pull type turnover mechanism can be interchanged, and the straight pull type turnover mechanism can be selected and applied according to installation requirements. Use straight pull formula tilting mechanism at folding table, only need hand power unblock alright upset folding, it is folding convenient, light, customer uses and experiences well.

According to another embodiment of the present invention, the lower end of the table leg 11 is further connected to a bottom plate 12, and the table leg 11 and the bottom plate 12 are connected to each other by the aforementioned straight-pull type tilting mechanism. Thus, the legs 11 and the bottom plate 12 can be easily folded, and the size of the folded table is further reduced, thereby facilitating transportation or storage.

According to another embodiment of the present invention, it is further included that the table leg 11 is liftable. The height of the table can be adjusted by adopting the liftable table legs 11, so that the table is suitable for different user requirements.

According to another embodiment of the utility model, it is further included that the table leg 11 is lifted and lowered by a pneumatic rod. Particularly, table leg 11 contains flexible outer tube and the interior sleeve pipe that links to each other, wherein sets up the pneumatic rod in the interior sleeve pipe, the lower extreme of pneumatic rod and interior sheathed tube lower extreme fixed connection, the execution end of pneumatic rod is connected with the upper end of outer tube. The actuating end of the pneumatic rod stretches and retracts to drive the outer sleeve and the inner sleeve to move relatively, and then the folding table is driven to lift.

The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides a straight-pull tilting mechanism, characterized by contains upset portion one (1) and upset portion two (2), the one end of upset portion one (1) and upset portion two (2) links to each other through pivot (3), and the other end of upset portion one (1) is provided with pull rod (4) that can lateral motion, and the other end of upset portion two (2) is provided with draw-in groove (5), be connected with between pivot (3) and pull rod (4) and provide pulling force and make pull rod (4) to pivot (3) motion and make pull rod (4) block reset structure (6) in draw-in groove (5), pull ring (7) are installed in the outside of pull rod (4).

2. The vertical pulling type turnover mechanism as claimed in claim 1, wherein the reset structure (6) is a tension spring, and two ends of the reset structure (6) are respectively connected with the rotating shaft (3) and the pull rod (4) through hooks.

3. The vertically pulling turnover mechanism as claimed in claim 1, wherein the first turnover part (1) and the second turnover part (2) are each "n" shaped in cross section, and wherein the distance between the inner side walls of the first turnover part (1) is greater than the distance between the outer side walls of the second turnover part (2).

4. A vertically pulling turnover mechanism as claimed in claim 1, characterized in that the turnover unit (1) is provided with pull rods (4) via slots (8).

5. A vertically pulling tilting mechanism as claimed in claim 1, characterized in that the latching recess (5) is n-shaped.

6. A vertically pulling tilting mechanism as claimed in claim 1, characterized in that the slot (5) is provided with an extruded bevel (9) below it.

7. A folding table, characterized in that the table top (10) and the table legs (11) of the folding table are connected by a straight-pull turnover mechanism as claimed in any one of claims 1-6.

8. A folding table as claimed in claim 7, characterized in that the lower ends of the legs (11) are further connected to a base plate (12), and the legs (11) and the base plate (12) are connected by the straight-pull turnover mechanism.

9. A folding table as claimed in claim 7, characterized in that the legs (11) are liftable.

10. A folding table as claimed in claim 9, characterized in that the legs (11) are raised and lowered by means of pneumatic rods.