CN217851797U

CN217851797U - Sliding positioning mechanism

Info

Publication number: CN217851797U
Application number: CN202220932745.1U
Authority: CN
Inventors: 冷鹭浩
Original assignee: New Tec Integration Xiamen Co Ltd
Current assignee: New Tec Integration Xiamen Co Ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-11-22
Anticipated expiration: 2032-04-21
Also published as: WO2023202653A1

Abstract

The utility model discloses a sliding positioning mechanism, including guide bar, sliding seat and neck bush, be equipped with the elastic pin that upwards stretches out on the guide bar, the sliding seat middle part is equipped with the lockhole, the neck bush cup joints with linear movement on the guide bar, the neck bush include connection piece and symmetric connection in two of the connection piece left and right sides are bordured, be equipped with the trompil that the front end opened and extended to the connection piece middle part backward on the connection piece, the connection piece is connected with the pressfitting piece that can overturn at the rear end, the sliding seat cover is in connection piece and the outside of borduring, the elastic pin can upwards pass the trompil inserts in the middle of the lockhole. The inside lining cover sets up on the guide bar, and the sliding seat is connected on the inside lining cover to directly set up the pressing sheet on the inside lining cover, the operation pressing sheet can be pressed down the elastic pin and make it separate with the lockhole, when the assembly, only need the inside lining cover cup joint on the guide bar can, it is very convenient to assemble.

Description

Sliding positioning mechanism

Technical Field

The utility model relates to a slide positioning mechanism, in particular to a slide positioning mechanism used on a table board.

Background

Sliding positioning mechanisms are not uncommon in daily necessities, such as foldable tables, where the table legs support the table plate, but when not in use, the table legs can be folded, so that a sliding positioning mechanism is arranged between the table legs and the table plate. The sliding positioning mechanism is used for fixing the table legs after the table legs are opened so as to firmly support the table top and also fold the table legs as required. Sliding sleeve, guide arm and connecting rod are three essential parts of sliding positioning mechanism usually, and the sliding sleeve is connected on the guide arm, and the connecting rod is connected with the sliding sleeve and pulls the sliding sleeve at the in-process that warp the removal and move along the guide arm and remove, and some guide arms are the mounting, also have the guide arm to swing the piece.

The existing sliding positioning mechanism generally has the technical problems that the sliding connection between the sleeve and the guide rod is not smooth enough, the sliding sleeve and the guide rod are clamped together and then are clamped tightly, so that the releasing operation is inconvenient, technical personnel separately consider the two technical problems in the face of the sliding sleeve and the guide rod, even if the two technical problems can be overcome, the parts of the sliding positioning mechanism are increased, and the assembling process is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sliding positioning mechanism, simple structure is and the assembly is simple and convenient. The utility model provides a technical scheme that its technical problem adopted is:

slide positioning mechanism, including guide bar, sliding seat and neck bush, be equipped with the elastic pin that upwards stretches out on the guide bar, the sliding seat middle part be equipped with can with the lockhole that the elastic pin cooperation was pegged graft, its characterized in that: but the interior bush cup joints with rectilinear movement on the guide bar, the interior bush include connection piece and symmetric connection in two of the connection piece left and right sides are bordured, be equipped with the trompil that the front end opened and extended to the connection piece middle part backward on the connection piece, the connection piece is connected with the pressing sheet that can overturn at the rear end, the sliding seat cover is in connection piece and the outside of borduring, the elastic pin can upwards pass the trompil inserts in the middle of the lockhole, the pressing sheet is located on the lockhole, the sliding seat side is equipped with pin joint portion.

The inside lining cover sets up on the guide bar, and the sliding seat is connected on the inside lining cover to directly set up the pressing sheet on the inside lining cover, the operation pressing sheet can be pressed down the elastic pin and make it separate with the lockhole, when the assembly, only need the inside lining cover cup joint on the guide bar can, the assembly is very convenient, does not need to increase an operating element alone and also saves corresponding assembly step simultaneously, still has simple structure's advantage.

In a preferred embodiment: the sliding seat comprises a seat plate and two seat edges symmetrically connected to the left side and the right side of the seat plate, the seat plate is overlapped on the connecting sheet, and the seat edges on the same side are clamped with the covered edges. The sliding seat can be assembled on the inner lining directly by clamping the seat edge and the wrapping edge, the structure is simple, and the assembly is more convenient.

In a preferred embodiment: limiting bosses are arranged at the front end and the rear end of the wrapping edge and limit the seat edge from the front direction and the rear direction. The limiting boss can prevent the sliding seat from moving relative to the inner bushing, the inner bushing and the sliding seat are connected more firmly, the inner bushing and the sliding seat can be assembled together firstly during field assembly, and then the inner bushing is buckled on the guide rod.

In a preferred embodiment: the rear end face of the connecting sheet is provided with a root extending upwards, the pressing sheet is connected to the root, and the rear end of the seat board is propped against the root; the bottom surface of the pressing sheet is provided with a convex point corresponding to the elastic pin. The root withstands the bedplate, combines the spacing boss of both sides around to block the seat limit, connects more accurately, and the fastness is better.

In a preferred embodiment: the cross section of the guide rod is trapezoidal, the width of the lower side of the guide rod is smaller than that of the upper side of the guide rod, the widths of the inner bushing and the sliding seat are set to be gradually smaller downwards corresponding to the cross section of the guide rod, the covered edge is attached to the guide rod, and the seat edge is attached to the covered edge. The cross section of the guide rod adopts a trapezoidal shape, the inner bushing can be directly buckled on the guide rod, and the sliding seat can also be directly buckled on the inner bushing, so that the assembly is easy.

In a preferred embodiment: the guide rod is a fixed piece. Of course, the fixed part can also be a swinging part.

In a preferred embodiment: the pin joint part is arranged in the middle of the seat edge, and a pin joint hole is formed in the pin joint part. The pin joint hole on the pin joint part can be connected with the pull rod, and the pull rod is connected with the table leg, so that the slide seat and the inner lining sleeve can be driven to move by the pull rod in the table leg folding process.

In a preferred embodiment: the middle part of the front end of the seat board is provided with a conical guide groove corresponding to the elastic pin.

In a preferred embodiment: the bottom of the inner lining sleeve is open, and the inner lining sleeve can be sleeved on the guide rod from top to bottom through a structure with the open bottom during assembly. During assembly, the inner bushing and the sliding seat are directly pressed down from top to bottom, and the assembly is rapid.

In a preferred embodiment: the inner lining is a plastic part

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a perspective view of a slide positioning mechanism.

Fig. 2 is an enlarged view of the circle position in fig. 1 in an explosive state.

Fig. 3 is a perspective view of the inner hub of the slide positioning mechanism of fig. 1.

Fig. 4 is a perspective view of the sliding seat of the slide positioning mechanism shown in fig. 1.

Fig. 5 is a schematic cross-sectional view of the slide positioning mechanism of fig. 1 in the transverse direction.

FIG. 6 is a schematic longitudinal cross-sectional view of the slide positioning mechanism of FIG. 1.

Fig. 7 is a schematic view of the sliding positioning mechanism of fig. 1 applied to a folding table.

Detailed Description

Referring to fig. 1 to 6, the sliding positioning mechanism includes a guide rod 10, a sliding seat 20 and an inner bushing 30, the guide rod is provided with an elastic pin 12 extending upward, a lock hole 22 capable of being inserted into the elastic pin is disposed in the middle of the sliding seat 20, the inner bushing 30 is sleeved on the guide rod 10 in a linearly movable manner, and the sliding seat is connected to the inner bushing. The inner lining 30 comprises a connecting sheet 32 and two covered edges 34 symmetrically connected to the left side and the right side of the connecting sheet, an opening 322 with the front end open and extending backwards to the middle of the connecting sheet is arranged on the connecting sheet 32, and the connecting sheet is connected with a reversible pressing sheet 36 at the rear end. The sliding seat 20 is sleeved outside the connecting piece 32 and the covered edge 34, the elastic pin 12 can be inserted into the lock hole 22 through the opening 322 upwards, and the pressing piece 36 is positioned above the lock hole 22. The sliding seat 20 has a pivot 24 at its side, which can be connected to other components, such as a pull rod.

The sliding seat 20 is connected to the inner bushing 30 to avoid direct contact with the guide rod 10, and the inner bushing 30 is provided with the pressing piece 36 to conveniently and easily press the elastic pin 12, so that the sliding positioning mechanism has few parts and is simple in structure.

Preferably, the sliding seat 20 includes a seat plate 26 and two seat edges 28 symmetrically connected to the left and right sides of the seat plate, the seat plate 26 is stacked on the connecting piece 32, and the seat edge 28 and the covering edge 34 on the same side are clamped. Namely, the sliding seat is connected with the inner bushing through the clamping connection of the seat edge 28 and the wrapping edge 34.

Preferably, the front and rear ends of the wrapping edge 34 are provided with limiting bosses 341 for limiting the seat edge 28 from the front to the rear. Thus, the seat edge 28 cannot move linearly under the limit of the limit boss 341, and therefore, the movement relative to the guide bar 10 can only be generated by the inner bushing 30.

Preferably, the rear end surface of the connecting piece 32 is provided with a root portion 324 extending upward, the pressing piece 36 is connected to the root portion 324, and the rear end of the seat plate 26 abuts against the root portion 324.

Preferably, a protruding point 362 is provided on the bottom surface of the pressing piece 36 corresponding to the elastic pin 12.

Preferably, the cross section of the guide bar 10 is trapezoidal, the width of the lower side is smaller than that of the upper side, the width of the inner bush 30 and the sliding seat 20 is configured to be gradually reduced downwards corresponding to the cross section of the guide bar, the covered edge 34 abuts against the side surface of the guide bar 10, and the seat edge 28 abuts against the covered edge 34. Therefore, the inner bush 30 can be automatically fastened to the guide bar 10 without being separated from the guide bar in the up-down direction, and also, the sliding seat 20 can be automatically fastened to the inner bush 30 without being separated from the inner bush in the up-down direction.

Preferably, the guide bar 10 is a fixed member. For example, the guide rod is arranged on the bottom surface of the table plate and is fixed differently relative to the table plate.

Preferably, the pivot portion 24 is disposed in the middle of the seat edge 28, and a pivot hole is disposed on the pivot portion.

Preferably, the seat plate 26 is provided with a tapered guide groove 262 corresponding to the elastic pin 12 at the middle of the front end.

Preferably, the bottom of the inner bushing 30 is open, and the inner bushing 30 can be sleeved on the guide rod 10 from top to bottom in an open-bottom structure when being assembled.

Preferably, the inner liner 30 is a plastic piece.

Referring to fig. 7, which is a schematic view of the sliding positioning mechanism applied to a folding table, one end of a table leg a is rotatably connected to a table plate B, a guide rod 10 is installed on the table plate B, one end of a pull rod C is connected to the table leg a, and the other end of the pull rod C is connected to a pivot portion of a sliding seat 20, so that when the table leg a is opened, the pull rod C can pull the sliding seat and an inner bushing to slide along the guide rod 10 together until an elastic pin 12 is inserted into a lock hole, and the table leg is completely opened. Conversely, when the table leg A needs to be folded, the elastic pin 12 is pressed down, and the table leg A is rotated reversely to fold the table leg A.

The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.

Claims

1. Slide positioning mechanism, including guide bar, sliding seat and neck bush, be equipped with the elastic pin that upwards stretches out on the guide bar, the sliding seat middle part be equipped with can with the lockhole that the elastic pin cooperation was pegged graft, its characterized in that: but the inside bush cup joints with rectilinear movement on the guide bar, the inside bush includes connection piece and symmetric connection in two of the connection piece left and right sides are bordured, be equipped with the trompil that the front end opened and extended to the connection piece middle part backward on the connection piece, the connection piece is connected with the pressing piece that can overturn at the rear end, the sliding seat cover is in the connection piece and the outside of borduring, the elastic pin can upwards pass the trompil inserts in the middle of the lockhole, pressing piece is located on the lockhole, the sliding seat side is equipped with pin joint portion.

2. The slide positioning mechanism of claim 1, wherein: the sliding seat comprises a seat plate and two seat edges symmetrically connected to the left side and the right side of the seat plate, the seat plate is overlapped on the connecting sheet, and the seat edges on the same side are clamped with the covered edges.

3. The slide positioning mechanism of claim 2, wherein: limiting bosses are arranged at the front end and the rear end of the edge covering, and limit the seat edge from the front direction to the rear direction.

4. The slide positioning mechanism of claim 3, wherein: the rear end face of the connecting sheet is provided with a root part extending upwards, the pressing sheet is connected to the root part, and the rear end of the seat board is propped against the root part; the pressing sheet bottom surface corresponds the elastic pin is equipped with the bump.

5. The slide positioning mechanism of claim 2, wherein: the cross section of the guide rod is trapezoidal, the width of the lower side of the guide rod is smaller than that of the upper side of the guide rod, the widths of the inner bushing and the sliding seat are set to be gradually smaller downwards corresponding to the cross section of the guide rod, the covered edge is attached to the guide rod, and the seat edge is attached to the covered edge.

6. The slide positioning mechanism of claim 5, wherein: the guide bar is a fixed member.

7. The slide positioning mechanism of claim 2, wherein: the pin joint part is arranged in the middle of the seat edge, and a pin joint hole is formed in the pin joint part.

8. The slide positioning mechanism of claim 2, wherein: the middle part of the front end of the seat board is provided with a conical guide groove corresponding to the elastic pin.

9. The slide positioning mechanism of claim 1, wherein: the bottom of the inner lining sleeve is open, and the inner lining sleeve can be sleeved on the guide rod from top to bottom through a structure with the open bottom during assembly.

10. The slide positioning mechanism of claim 9, wherein: the inner lining is a plastic piece.