CN212250749U - Sliding fit connection structure - Google Patents

Abstract

The utility model discloses a sliding fit connection structure, including connecting piece A and connecting piece B, be equipped with the slot on the connecting piece A, have the portion of inserting that suits with the slot on the connecting piece B, the portion of inserting cross-section is "T" font, and the wherein one end of this portion of inserting has along the outside convex backstop portion of width direction, slot both ends and bottom are uncovered, work as back in the portion of inserting the slot, backstop portion butt is at the slot tip. Through special slot of limit structure cooperation and insertion portion structure, realize being connected the restriction of two multi-direction degrees of freedom of object to effectively prevent by the dislocation of connecting piece object in all directions deformation, or absorb the abnormal sound etc. of rocking that the tolerance brought, improved connection structure's stability greatly, be favorable to improving the connection effect.

Description

Sliding fit connection structure

Technical Field

The utility model relates to an article display device field, concretely relates to sliding fit connection structure.

Background

The sliding fit structure is widely applied to the assembled articles, is popularized due to the advantages of convenient detachment, packaging transportation, assembly and the like, but also is very large in fit gap between two connecting pieces due to factors such as flexible disassembly and assembly, the overall stability of the article is relatively poor, and even in the using process, the article is easy to bear force, pull, deform and dislocate or generate shaking abnormal sound and the like, and the connection reliability is relatively poor.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides a sliding fit connection structure can improve connection structure's stability, alleviates the atress and pulls deformation or rock abnormal sound etc..

The technical scheme is as follows:

the utility model provides a sliding fit connection structure, includes connecting piece A and connecting piece B, is equipped with the slot on the connecting piece A, has the portion of inserting that suits with the slot on the connecting piece B, and its key lies in: the cross section of the insertion part is T-shaped, one end of the insertion part is provided with a stopping part which protrudes outwards along the width direction, two ends and the bottom of the slot are open, and after the insertion part is inserted into the slot, the stopping part is abutted against the end part of the slot.

Structure more than adopting, insertion portion and slot cooperation through the T font, can realize connecting piece A and connecting piece B and grafting direction mutually perpendicular's spacing in the direction, if the two is pegged graft around promptly, can prevent to play and control and rock etc. in the direction of height, meanwhile, after insertion portion all inserted the slot, through the backstop portion of its distal end, then can restrict its degree of freedom in the direction of inserting, synthesize the restriction that realizes five directions, relative stability between two connecting pieces has been improved relatively, effectively alleviate the atress and pull the dislocation or rock abnormal sound etc..

Preferably, the method comprises the following steps: one end of the slot is provided with a clamping part matched with the stopping part, and the clamping part is positioned in the slot. By adopting the scheme, the stopping part can be embedded into the clamping part, so that the end face is kept flush, and the appearance quality of the connecting part is improved.

Preferably, the method comprises the following steps: the inserting part is provided with a clamping groove A arranged along the width direction and/or the thickness direction of the inserting part, and an elastic clip matched with the clamping groove is arranged in the inserting groove. Structure more than adopting, through draw-in groove and checkpost cooperation, to two pieces of interconnect, carry out the restriction with backstop portion opposite direction degree of freedom, all restrict around inserting the direction two connecting pieces promptly, after the cartridge was accomplished, insert portion then is difficult for withdrawing from the slot, synthesizes the restriction of realizing about, about and two direction degrees of freedom around, has further improved connecting piece reliability and stability.

Preferably, the method comprises the following steps: when the clamping groove is arranged along the width direction of the inserting part, the elastic clamp is horizontally arranged, the width of the elastic clamp is larger than the width of the opening at the lower part of the slot, and the bottom of the slot is provided with a through hole matched with the elastic clamp. The structure more than adopting is favorable to increasing the area of contact of checkpost and draw-in groove, guarantees the reliability of block limiting action, can not hinder elastic clip's normal action yet.

Preferably, the method comprises the following steps: the stopping part is positioned at the front end of the inserting part, the projection of the clamping groove is in a right trapezoid shape, and the straight waist part of the projection of the clamping groove corresponds to the end face of the rear end of the clamping groove. Scheme more than adopting, during the elastic clip got into the draw-in groove of being convenient for, and support tightly through vertical terminal surface and elastic clip, be favorable to improving the restriction effect, great area of contact also can further reduce and rock the abnormal sound.

Compared with the prior art, the beneficial effects of the utility model are that:

the sliding fit connection structure adopting the technical scheme realizes two limits of multi-direction freedom degrees of the connecting piece by matching the special slot and the insertion part structure through the limiting structure, thereby effectively preventing the dislocation deformation of the object of the connecting piece in each direction or the shaking abnormal sound caused by tolerance absorption and the like, greatly improving the stability of the connection structure and being beneficial to improving the connection effect.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a diagram illustrating a socket structure according to the embodiment shown in FIG. 1;

FIG. 3 is a schematic view of a mating structure of the socket and the insertion portion in FIG. 1;

fig. 4 is a schematic structural diagram of a second embodiment of the present invention;

FIG. 5 is a bottom view of FIG. 4;

FIG. 6 is a schematic view of the slot and the insertion portion of FIG. 4;

FIG. 7 is a diagram illustrating a socket structure according to the embodiment shown in FIG. 4;

FIG. 8 is a schematic view of the structure of the insertion portion;

fig. 9 is an isometric view of fig. 8.

Detailed Description

The present invention will be further described with reference to the following examples and accompanying drawings.

Referring to fig. 1 to 9, the sliding fit connection structure of the present invention mainly includes a connection member A3 and a connection member B5, the two can be connected by a sliding fit structure matching with each other, the sliding fit structure mainly includes a slot 30 disposed on the connection member A3 and an insertion portion 51 disposed on the connection member B5, in this embodiment, the cross-section of the insertion portion 51 is "T" shaped, and any end of the insertion portion has a stop portion 510 protruding to both sides along the width direction, the slot 30 is a through slot structure with two open ends, so that the connection member B5 is located below the connection member A3 when the two embodiments of the present invention are connected, referring to the position, the bottom of the slot 30 is open, when the insertion portion 51 is inserted into the slot 30 and slides to the end, the stop portion 510 is inevitably blocked by the end of the slot 30, thus combining the shape of the slot 30, it is possible to realize that the two connection members are vertically connected, The restriction of five direction degrees of freedom about and in front and back, the stability and the reliability of connecting piece are improved greatly, effectively alleviate the noise that the clearance caused.

Considering the appearance quality of the insertion exposed end part, the clamping part 31 matched with the stop part 510 is arranged at one end of the insertion groove 30, and the stop part 31 is arranged at the front end of the insertion part 51, so that when the connection is carried out, the rear end of the insertion part 51 can be inserted into the front end of the insertion groove 30 in a positive mode until the stop part 510 is embedded into the clamping part 31 and flush with the front end face of the insertion groove 30, the appearance smoothness of the front end part of the insertion groove 30 is greatly guaranteed, and the length of the insertion part 51 does not need to be designed to be as long as that of the insertion groove 30.

For further improving the stability of the two connections, in order to reduce and rock, be equipped with draw-in groove 52 on insertion portion 51 in this embodiment, draw-in groove 52 can set up along insertion portion 51's width direction, also can set up along its thickness direction, certainly also can set up the draw-in groove 52 of two kinds of not equidirectionals on insertion portion 51 simultaneously, go into the structure in order to adapt to different card, improve its assembling nature, correspondingly, have the elastic clip 32 that matches with draw-in groove 52 in the slot 30, in the connection process, when backstop portion 510 embedding block portion 31, elastic clip 32 can just block in the draw-in groove 52 that corresponds, realize the spacing to two directions around insertion portion 51 jointly.

As shown in the drawings, the insertion portion 51 of the present application is provided with two clamping grooves 52, one of which is arranged along the width direction and the other is arranged along the thickness direction thereof, so as to accommodate two different connecting pieces a3, as shown in fig. 1 to 3, the elastic clip 32 of the first embodiment is different from the elastic clip 32 of the second embodiment in the arrangement position, in which the elastic clip 32 is located inside the slot 30 and arranged along the thickness direction of the slot 30, so that during the connection process, the elastic clip 32 is clamped into the corresponding clamping groove 52 from the side.

In the second embodiment, the elastic clip 32 of the slot 30 of the connector a3 is horizontally disposed and located at a position near the upper portion of the slot 30, during the connection process, the free clamping end of the elastic clip 31 is initially adhered to the upper surface of the inserting portion 51 until the stopping portion 510 is embedded into the clamping portion 31, the elastic clip 31 is clamped into the horizontally disposed slot 52, and when the elastic clip 31 is horizontally disposed, in order to increase the contact area between the elastic clip 31 and the slot 52 and facilitate the forming, the bottom of the slot 30 corresponding to the elastic clip 32 is provided with the through hole 33, and the size of the through hole 33 is adapted to the elastic clip 32.

In the present application, in order to ensure the reliability of the fit and fixation of the elastic clip 32 and the slot 52, the front end of the elastic clip 32 is a fixed end and extends backwards along the length direction of the slot 3, and the rear end thereof is a free end, that is, the portion thereof engaged with the catching groove 52 is located at the rear end of the spring clip 32, and in consideration of the convenience of assembly, the catching groove 52 is formed in a trapezoidal groove shape, the projection of the groove is in a right trapezoid shape, the straight waist part of the projection corresponds to the rear end wall of the clamping groove 52, i.e. the end surface far from the stopping portion 510, when the stopping portion 510 is embedded into the engaging portion 31 during the connection process, the engaging portion of the rear free end of the elastic clip 32 is just in the engaging groove 52, and abuts against the rear end wall of the slot 52, at this time, the elastic clip 32 can limit the forward movement of the connecting piece B5 relative to the connecting piece A3, and the stopping part 510 can limit the backward movement of the connecting piece B5 relative to the connecting piece A3.

Referring to the sliding fit connection structure shown in fig. 1 to 9, a special slot 30 structure is mainly used to fit a correspondingly arranged clamping structure, so as to achieve the limitation of two connecting pieces with multiple degrees of freedom, and on the premise of ensuring good assembly efficiency, the assembly stability is greatly improved, the disengagement is effectively prevented, a certain fit clearance can be absorbed, the shaking abnormal sound of the connecting piece components is reduced, and the like, and it should be noted that the specific shapes of the positions of the slot 30 and the insertion portion 51, and the positions of the elastic clamp 32 and the clamping groove 52 are not limited to those described in the above embodiments.

Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.

Claims (5)

1. The utility model provides a sliding fit connection structure, includes connecting piece A (3) and connecting piece B (5), is equipped with slot (30) on connecting piece A (3), has insert portion (51) that suit with slot (30) on connecting piece B (5), its characterized in that: the cross section of the insertion part (51) is T-shaped, one end of the insertion part (51) is provided with a stopping part (510) which protrudes outwards along the width direction, two ends and the bottom of the insertion groove (30) are open, and after the insertion part (51) is inserted into the insertion groove (30), the stopping part (510) is abutted to the end part of the insertion groove (30).

2. The slip fit connection structure of claim 1, wherein: one end of the slot (30) is provided with an engaging part (31) matched with the stopping part (510), and the engaging part (31) is positioned in the slot (30).

3. The slide-fit connection structure according to claim 1 or 2, wherein: the insertion part (51) is provided with a clamping groove (52) arranged along the width direction and/or the thickness direction of the insertion part, and the insertion groove (30) is internally provided with an elastic clamp (32) matched with the clamping groove (52).

4. The slip fit connection structure of claim 3, wherein: when the clamping groove (52) is arranged along the width direction of the inserting part (51), the elastic clamp (32) is horizontally arranged, the width of the elastic clamp is larger than the width of the opening at the lower part of the slot (30), and the bottom of the slot (30) is provided with a through hole (33) matched with the elastic clamp (32).

5. The slip fit connection structure of claim 3, wherein: the stopping part (510) is located at the front end of the inserting part (51), the projection of the clamping groove (52) is in a right trapezoid shape, and the straight waist part of the projection corresponds to the end face of the rear end of the clamping groove (52).

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