CN215603853U - Manual upset table frame - Google Patents

Abstract

The utility model discloses a manual turnover table frame, which belongs to the technical field of turnover tables and comprises a cross beam and a longitudinal beam which is rotatably connected to the cross beam and can turn over relative to the cross beam, wherein a socket piece is arranged on the cross beam, a socket is arranged on the socket piece, the turnover table frame comprises a use mode and a storage mode, the conversion between the use mode and the storage mode is realized through the turning over of the longitudinal beam on the cross beam, the longitudinal beam comprises an outer tube which is rotatably connected to the cross beam and a locking piece which is arranged on the outer tube and can stretch relative to the outer tube, when the turnover table frame is in the use mode, the longitudinal beam is horizontally arranged on the cross beam, and the locking piece is inserted into the socket to lock the longitudinal beam.

Description

Manual upset table frame

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of turnover tables, in particular to a manual turnover table frame.

[ background of the utility model ]

The table is common furniture, can eat, work, put things on it etc., and the table includes desktop board and table frame, and the desktop board of traditional table is fixed on the table frame, and is not convenient for accomodate, and to the people of living in the city, the room price increases at a rapid pace, and the living space is less, and the desk takes up space great, makes whole room seem crowded and narrow and small.

In order to solve the problems, a foldable table is also available in the market, a table frame of the foldable table is composed of crossed table legs, a table top plate is hinged with one of the crossed table legs, the table legs are folded when being folded, the table top plate is downwards folded and laterally arranged beside the table legs, the table legs are crosswise unfolded when being used, the table top plate is upwards folded and horizontally arranged on the table frame, but the table top plate is easy to move when being folded, the stability of the table legs is poor, the table top plate generally needs to lean against positions such as wall corners, and meanwhile, a fixing device is absent when the foldable table is used, so that the foldable table is easy to turn on and poor in stability.

[ Utility model ] content

The utility model aims to solve the technical problem of overcoming the defects in the prior art and designs a manual turnover table frame with simple structure and high stability.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a manual upset table frame, includes the crossbeam and rotates the longeron of connecting on the crossbeam and crossbeam upset relatively, be equipped with socket joint spare on the crossbeam, be equipped with the socket on the socket joint spare, upset table frame is including service mode and storage mode, through the conversion of service mode and storage mode is realized in the upset of longeron on the crossbeam, the longeron is including rotating the outer tube of connection on the crossbeam and establishing the locking piece that the outer tube is flexible relatively on the outer tube, and when upset table frame was in service mode, the longeron is arranged in flat on the crossbeam, the locking piece is locked in inserting the socket the longeron.

The beneficial effect of this scheme of adoption:

the turnover table uses the turnover table frame in the utility model, the table top plate is fixedly arranged on the longitudinal beam, when the turnover table is needed to be used, the outer tube is manually turned downwards, the locking piece on the outer tube is inserted into the socket to lock the longitudinal beam on the cross beam, the longitudinal beam is firmly locked on the cross beam through rotating the two fixing points of the connecting point and the locking point, and then the table top plate is locked, when the stress on one side of the table top plate is avoided in the using process, the table top plate drives the longitudinal beam to be lifted, the stability of the turnover table frame is improved, when the turnover table is used, the locking piece is pulled to be separated from the socket, after the locking is removed, the storage operation is carried out again, the turnover of the longitudinal beam on the cross beam is carried out, the conversion of the use mode and the storage mode is carried out, the turnover table frame is strong in functionality and convenient operation. And adopt above-mentioned locking piece and the locking mechanical system of socket grafting between crossbeam and the longeron, simple structure, spare part is few, and the operation degree of difficulty is little, and is with low costs, is convenient for install and use.

Preferably, the locking member is provided in the outer tube, the locking member being axially retractable with respect to the outer tube.

Preferably, the longitudinal beam further comprises a drawing piece driving the locking piece to stretch, and the drawing piece is connected with the locking piece through a transmission rod.

Preferably, a fixed block is arranged between the pulling piece and the locking piece, the fixed block is fixed on the outer tube, and the transmission rod penetrates through the fixed block.

Preferably, an elastic reset piece is arranged between the locking piece and the fixing block, and the elastic reset piece is sleeved on the transmission rod.

Preferably, the manual turnover table frame further comprises a limiting structure for limiting the telescopic stroke of the locking piece.

Preferably, the limiting structure comprises a limiting part arranged on the side wall of the locking part and a limiting hole arranged on the outer tube, the limiting part slides in the limiting hole, the limiting hole comprises a first limiting end and a second limiting end far away from the first limiting end, and the first limiting end and the second limiting end limit the limiting part.

Preferably, the cross beam is further provided with a connecting piece rotatably connected with the outer pipe, and when the turnover table frame is in a storage mode, the longitudinal beam side is arranged beside the cross beam side and locked.

Preferably, the lower end of the connecting piece is provided with a notch, and the limiting piece is elastically clamped in the notch to lock the longitudinal beam.

Preferably, a left longitudinal beam and a right longitudinal beam are arranged at the two ends of the cross beam respectively, a left pulling piece is arranged on the left longitudinal beam, a right pulling piece is arranged on the right longitudinal beam, and the left pulling piece and the right pulling piece are connected through a connecting rod to realize synchronous overturning of the left longitudinal beam and the right longitudinal beam.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The utility model is further described with the following drawings:

fig. 1 is a schematic perspective view of the manual turnover table frame of the present invention in a use mode.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic perspective view of the manual turnover table frame of the present invention in the use mode with the outer tube removed.

Fig. 4 is an enlarged view of fig. 3 at B.

Fig. 5 is a partial schematic view of the locking element of the present invention in locking engagement with the female member.

Fig. 6 is a cross-sectional view of the longitudinal beam locked on the cross beam in the use mode of the manual turnover table frame.

Fig. 7 is a schematic perspective view of the manual turnover table frame of the present invention in the storage mode.

Fig. 8 is an enlarged view at C in fig. 7.

Reference numerals: a cross beam 1; a longitudinal beam 2; an outer tube 201; a limit hole 2011; a locking member 202; a stopper 2021; a chute 2022; a first guide surface 202 a; a slider 203; drawer 204; a transmission rod 205; a pipe plug 206; a fixed block 207; a resilient return member 208; a socket 3; a fixed portion 301; a socket 302; a socket 302 a; a connecting piece 4; a notch 401; a stopper portion 402; a second guide surface 402 a; a connecting lug 403; a rotating shaft 5; a connecting rod 6; a lifting upright post 7; and a table leg 8.

[ detailed description ] embodiments

The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example (b):

as shown in fig. 1 to 8, a manual turnover table frame comprises a cross beam 1 and a longitudinal beam 2 which is rotatably connected to the cross beam 1 and can be turned relative to the cross beam 1, wherein a socket piece 3 is arranged on the cross beam 1, a socket 302a is arranged on the socket piece 3, the turnover table frame comprises a use mode and a storage mode, the use mode and the storage mode are switched by turning the longitudinal beam 2 on the cross beam 1, the longitudinal beam 2 comprises an outer tube 201 which is rotatably connected to the cross beam 1 and a locking piece 202 which is arranged on the outer tube 201 and can stretch relative to the outer tube 201, when the turnover table frame is in the use mode, the longitudinal beam 2 is horizontally arranged on the cross beam 1, and the locking piece 202 is inserted into the socket 302a to lock the longitudinal beam 2.

The turnover table uses the turnover table frame of the utility model, the table top board is fixedly arranged on the longitudinal beam 2, when in use, the outer pipe 201 is manually turned downwards, the locking piece 202 on the outer pipe 201 is inserted into the socket 302a to lock the longitudinal beam 2 on the cross beam 1, the longitudinal beam 2 is firmly locked on the cross beam 1 through two fixing points of a rotating connection point and a locking point, and then the table top board is locked, when one side of the table top board is stressed in the use process, the table top board drives the longitudinal beam 2 to be lifted, the stability of the turnover table frame is improved, when in use, the locking piece 202 is pulled to be separated from the socket 302a, after the locking is released, the storage operation is carried out again, the longitudinal beam 2 is turned over on the cross beam 1, the conversion between the use mode and the storage mode is carried out, the functionality is strong, and the operation is convenient. And the locking mechanism which is formed by splicing the locking piece 202 and the socket 302a between the cross beam 1 and the longitudinal beam 2 has the advantages of simple structure, few parts, small operation difficulty, low cost and convenience in installation and use.

As shown in fig. 3 to 6, the front and rear ends of the locking member 202 are respectively provided with a slider 203, the slider 203 slides in the outer tube 201, the slider 203 prevents the locking member 202 from directly contacting with the inner tube to reduce friction, and the locking member 202 is preferably a telescopic block that slides in the outer tube 201.

As shown in fig. 5, the socket 3 comprises a fixed portion 301 fixed on the beam 1 and a socket 302 engaged with the locking element 202, the socket 302 protrudes from the upper surface of the beam 1 and forms a socket 302a, the bottom wall of the outer tube 201 is provided with an opening near the locking element 202, and in the use mode, the socket 302 is inserted into the outer tube 201 through the opening to engage with the locking element 202.

In this embodiment, as shown in fig. 6, the locking element 202 is disposed in the outer tube 201, as shown in fig. 2 to 8, the longitudinal beam 2 further includes a drawer 204, the drawer 204 is connected to the locking element 202 through a transmission rod 205, the drawer 204 drives the locking element 202 to extend and retract relative to the outer tube 201, the drawer 204 is disposed at one end of the outer tube 201, at least a portion of the drawer 204 extends out of the outer tube 201, the drawer 204 axially slides along the outer tube 201, and a plug 206 is disposed at the other end of the outer tube 201.

As shown in fig. 3 to 5, a fixing block 207 is disposed between the drawer 204 and the locking element 202, the fixing block 207 is fixed on the outer tube 201, the transmission rod 205 penetrates through the fixing block 207, and in order to achieve automatic locking of the locking element 202, as shown in fig. 3 to 6, an elastic resetting element 208, preferably a spring, is disposed between the locking element 202 and the fixing block 207, the elastic resetting element 208 is sleeved on the transmission rod 205, the transmission rod 205 guides the elastic resetting element 208, two ends of the elastic resetting element 208 are respectively abutted to the locking element 202 and the fixing block 207, the elastic resetting element 208 is always in an extrusion state, is elastically deformed, and has a tendency of recovering elastic deformation, so as to provide forward thrust to the locking element 202, so that the locking element 202 cannot slide backwards from the socket 302a, and improve stability of the turnover table frame when in use.

Of course, the elastic restoring member 208 may also be made of elastic silica gel, rubber, a gas spring, or other elastic materials capable of realizing an automatic resilient function.

As shown in fig. 5 and 6, the front end of the locking element 202 is provided with a downward slope to form a first guide surface 202a, when in use, the longitudinal beam 2 is manually turned downwards and the outer tube 201 is pressed downwards, the first guide surface 202a at the front end of the locking element 202 slides downwards and backwards on the socket element 3 and presses the elastic resetting element 208 until the foremost end of the first guide surface 202a also passes over the socket element 3, the elastic resetting element 208 restores the deformation and generates forward thrust in the process of rebounding, and the locking element 202 is automatically inserted into the socket 302a under the action of the thrust to form self-locking.

When the longitudinal beam 2 needs to be stored, the pull-out piece 204 is pulled backwards, the pull-out piece 204 pulls the locking piece 202 through the transmission rod 205, the locking piece 202 moves towards the direction close to the fixing block 207, the elastic resetting piece 208 is squeezed until the locking piece 202 is released from the inserting opening 302a, and after the pull-out piece 204 is released, the longitudinal beam 2 is turned upwards.

Of course, in other embodiments of the utility model, a wrench or a pull wire may be used instead of drawer 204 to pull locking member 202 for unlocking.

In order to achieve the above-mentioned automatic locking and control the distance of drawing backward, the manual turnover table frame further comprises a limiting structure for limiting the telescopic stroke of the locking member 202.

In this embodiment, the limiting structure includes a limiting member 2021 disposed on the side wall of the locking member 202 and a limiting hole 2011 disposed on the outer tube 201, the limiting member 2021 slides in the limiting hole 2011, the limiting hole 2011 includes a first limiting end and a second limiting end far away from the first limiting end, the first limiting end and the second limiting end limit the limiting member 2021, the first limiting end and the second limiting end preferably select the front hole wall and the rear hole wall of the limiting hole 2011, the forward movement stroke of the locking member 202 is limited by the front hole wall to prevent the locking member 202 from sliding forward, the stability in the use mode is further improved, the position of the first guiding surface 202a of the locking member 202 is controlled, the rear end of the first guiding surface 202a of the locking member 202 can contact with the socket 3 at a position close to the flat position, so that when the outer tube 201 is pressed downward, the locking member 202 can smoothly slide into the socket 302a, of course, the locking element 202 can be limited to move forward by limiting the drawer 204 with the fixing block 207, and in the best condition, when the limiting element 2021 reaches the front hole wall, the drawer 204 just reaches the fixing block 207.

In order to improve the stability during rotation, preferably, the position opposite to the two sides of the locking element 202 is provided with a limiting element 2021, and the position on the sidewall of the outer tube 201 corresponding to the limiting element 2021 is provided with a corresponding limiting hole 2011, and the limiting element 2021 in this embodiment is preferably a pin.

The limiting piece 2021 is limited by the rear hole wall, the stroke of the locking piece 202 moving backwards is limited, and when the locking piece is prevented from being turned upwards, the limiting piece 2021 slides backwards under the action of gravity, so that the stability during turning is improved, and the use experience is improved.

Of course, the first and second limiting ends may also be two limiting protrusions disposed at two ends of the limiting hole 2011.

In order to improve the stability of the manual turnover table frame during storage, the cross beam 1 is further provided with a connecting piece 4 rotatably connected with the outer pipe 201, when the turnover table frame is in a storage mode, as shown in fig. 7 and 8, the side of the longitudinal beam 2 is arranged beside the side of the cross beam 1 and locked, the lower end of the connecting piece 4 is provided with a notch 401, and the limiting piece 2021 is elastically clamped into the notch 401 to lock the longitudinal beam 2. Specifically, the opening of the notch 401 is downward, a stopping portion 402 for preventing the limiting member 2021 from coming off from the notch 401 is formed on the side wall of the notch 401, an obliquely inward second guide surface 402a is arranged at the stopping portion 402, the limiting member 2021 is limited by the second limiting end, and the position of the limiting member 2021 is controlled, so that when the longitudinal beam 2 approaches the side of the cross beam 1, the limiting member 2021 approaches the upper end of the second guide surface 402a, when the outer tube 201 is laterally pressed, the limiting member 2021 moves forward and downward on the second guide surface 402a, and presses the elastic resetting member 208, after the limiting member passes through the vertex of the stopping portion 402, under the resilience of the elastic resetting member 208, the elastic clamping is performed in the notch 401 to realize locking during storage, and the stability of the whole manual turnover table frame during storage is improved.

After the turnover table adopting the manual turnover table frame in the embodiment is locked in the storage mode, the turnover table can be applied to application scenes such as board writing for conferences and vertical painting.

In order to enable the longitudinal beam 2 to be turned over to be horizontally placed on the cross beam 1, in this embodiment, the upper end of the connecting piece 4 is provided with a connecting lug 403 protruding out of the upper surface of the cross beam 1, the outer tube 201 is rotatably connected with the connecting lug 403 through a rotating shaft 5, the rotating shaft 5 sequentially penetrates through the outer tube 201 and the locking piece 202, the locking piece 202 is provided with a sliding groove 2022, the rotating shaft 5 slides in the sliding groove 2022, the sliding groove 2022 comprises a third limiting end and a fourth limiting end, and the third limiting end and the fourth limiting end limit the rotating shaft 5.

The rear groove wall and the front groove wall of the sliding groove 2022 are preferably selected by the third limiting end and the fourth limiting end, and the forward movement stroke of the locking piece 202 is limited by the limitation of the rear groove wall on the rotating shaft 5; the rearward travel of the locking member 202 is limited by the limit of the forward slot wall to the shaft 5.

Of course, the third limiting end and the fourth limiting end may also be two limiting protrusions disposed at two ends of the sliding groove 2022.

In order to improve the stability of connection and rotation, it is preferable that the outer tube 201 has a rotation shaft 5 at a position opposite to the inner sides of the two side walls, and the locking member 202 has a corresponding sliding groove 2022 at a position corresponding to the rotation shaft 5 on the side wall.

The limiting piece 2021 and the limiting hole 2011 form a first limiting structure, and the sliding groove 2022 and the rotating shaft 5 form a second limiting structure, so that the telescopic locking in the outer pipe 201 is better limited through a double limiting structure, and the stability during use and operation is improved.

In order to adopt the table frame that overturns manually in this embodiment's turnover table more stable when using, overturning and accomodating, as shown in fig. 1, fig. 3 and fig. 7, both ends are equipped with longeron 2 respectively about crossbeam 1, are equipped with pull 204 on the longeron 2 of both ends respectively, connect through connecting rod 6 between two pull 204 to realize two longerons 2 synchronous upsets, thereby drive the desktop board both ends of fixing on longeron 2 and overturn in step.

In order to improve the functionality of manual upset table frame, this embodiment crossbeam 1 below still is equipped with lift stand 7 as table leg 8, and is preferred, and lift stand 7 be two, is located the both ends of crossbeam 1 respectively, adjusts lift stand 7 through motor control mechanical device, and then adjusts the height of manual upset table frame to be applicable to the people of different heights, satisfy the conversion of sitting and standing official working simultaneously.

The lower part of the lifting upright post 7 is provided with table legs 8, and the table legs 8 ensure the integral stability of the lifting table frame.

The above embodiments are merely examples and do not limit the scope of the utility model. On the basis of this, a person skilled in the art can envision other embodiments that perform the same function within the scope of the claims of the present invention.

The above description is only for the embodiments of the present invention, but the scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the description in the above embodiments and the accompanying drawings. Any modification which does not depart from the functional and structural principles of the utility model is intended to be included within the scope of the claims.

Claims (10)

1. The utility model provides a manual upset table frame, includes the crossbeam and rotates the longeron of connecting on the crossbeam and crossbeam upset relatively, its characterized in that, be equipped with socket joint spare on the crossbeam, be equipped with the socket on the socket joint spare, upset table frame is including service mode and storage mode, through the conversion of service mode and storage mode is realized in the upset of longeron on the crossbeam, the longeron is including rotating the outer tube of connection on the crossbeam and establishing the locking piece that the outer tube is flexible relatively on the outer tube, and when upset table frame was in service mode, the longeron is arranged in horizontally on the crossbeam, the locking piece inserts and locks in the socket the longeron.

2. A hand-operated flipping table frame as claimed in claim 1 wherein said locking member is provided in said outer tube, said locking member being axially telescopic relative to the outer tube.

3. A manual turnover table frame as claimed in claim 2, wherein said longitudinal beam further comprises a pull member for driving said locking member to extend and retract, and said pull member and said locking member are connected by a transmission rod.

4. A manually reversible table frame as claimed in claim 3, wherein a fixed block is provided between said drawer and said locking member, said fixed block being fixed to said outer tube, said transmission rod passing through said fixed block.

5. A manually reversible table frame as claimed in claim 4, wherein an elastic return element is provided between said locking element and said fixed block, said elastic return element being fitted over said transmission rod.

6. A manual turnover table frame as claimed in claim 1 and further including a limit structure defining the extension and retraction stroke of said locking member.

7. A manual turnover table frame as claimed in claim 6, wherein said limiting structure includes a limiting member provided on a side wall of said locking member and a limiting hole provided on said outer tube, said limiting member sliding in said limiting hole, said limiting hole including a first limiting end and a second limiting end remote from said first limiting end, said first and second limiting ends limiting said limiting member.

8. A manually reversible table frame as claimed in claim 7, wherein said cross member is further provided with a connecting member for rotatably connecting with the outer tube, and when said reversible table frame is in the storage mode, said side members are positioned beside said cross member and locked.

9. A manually-operated turnover table frame as claimed in claim 8, wherein said connecting member is provided with a notch at its lower end, and said stopper is resiliently snapped into said notch to lock said longitudinal beam.

10. The manual turnover table frame as claimed in claim 3, wherein a left longitudinal beam and a right longitudinal beam are respectively arranged at two ends of the cross beam, a left pull-out piece is arranged on the left longitudinal beam, a right pull-out piece is arranged on the right longitudinal beam, and the left pull-out piece and the right pull-out piece are connected through a connecting rod so as to synchronously turn over the left longitudinal beam and the right longitudinal beam.

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