CN219523477U

CN219523477U - Dovetail-shaped clamping structure with high stability

Info

Publication number: CN219523477U
Application number: CN202320527578.7U
Authority: CN
Inventors: 李照初; 李开培
Original assignee: Foshan Jjl Hardware Stationery Co ltd
Current assignee: Foshan Jjl Hardware Stationery Co ltd
Priority date: 2023-03-16
Filing date: 2023-03-16
Publication date: 2023-08-15
Anticipated expiration: 2033-03-16

Abstract

The utility model relates to a dovetail-shaped clamping structure with high stability, which comprises the following components: one edge of each clamping piece is attached to form a clamping part, and the other edge is mutually separated to form an opening part; the two ends of the elastic limiting piece are respectively provided with an elastic bending piece, the two elastic bending pieces are folded towards the middle part and have inward folding elasticity, an elastic clamping space is formed between the two elastic bending pieces, and when external force makes the two elastic bending pieces outwards separate, the elastic clamping space is increased; the two elastic bending pieces are respectively connected with the two clamping pieces; the pair of pressing pieces are respectively arranged at the back parts of the two clamping pieces, one end of each pressing piece is connected to the back part of the clamping part, the other side of each pressing piece extends out of the edge of the opening part, the extending parts form a handheld part, and pressure is applied to the handheld parts of the two pressing pieces in the same direction to open the clamping part and the elastic clamping space; the back of the clamping piece is provided with a rib pressing groove, and the shape of the rib pressing groove is matched with that of the pressing piece.

Description

Dovetail-shaped clamping structure with high stability

Technical Field

The utility model relates to the technical field of stationery, in particular to a dovetail-shaped clamping structure with high stability.

Background

The dovetail clamp is a clamp type stationery and made of metal and is used for integrating a stack of files into a whole, so that the files can be conveniently tidied and saved. The paper is clamped tightly, and is not easy to fall off; the pure metal material is convenient to detach, can be recycled, and is environment-friendly and durable. At present, the dovetail clamp has the advantages that the pressing handle is of a movable structure, when the pressing force is applied to the pressing handle, the pressing handle moves to slip, the stress is unbalanced, and the use is inconvenient.

Disclosure of Invention

In order to overcome the problems, the utility model provides a dovetail-shaped clamping structure with high stability, stable and balanced stress, no shaking and slipping left and right and reliable use.

The technical scheme adopted for solving the technical problems is as follows: a high stability dovetail clamp structure comprising:

one edge of each clamping piece is attached to form a clamping part, and the other edge is mutually separated to form an opening part;

the two ends of the elastic limiting piece are respectively provided with an elastic bending piece, the two elastic bending pieces are folded towards the middle part and have inward folding elasticity, an elastic clamping space is formed between the two elastic bending pieces, and when external force makes the two elastic bending pieces outwards separate, the elastic clamping space is increased; the two elastic bending pieces are respectively connected with the two clamping pieces, and the clamping parts of the two clamping pieces are elastically clung;

the pair of pressing pieces are respectively arranged at the back parts of the two clamping pieces, one end of each pressing piece is connected to the back part of the clamping part, the other side of each pressing piece extends out of the edge of the opening part, the extending parts form a handheld part, pressure is applied to the handheld parts of the two pressing pieces in the same direction, so that the clamping parts and the elastic clamping space are opened, and the elasticity of the elastic bending piece is increased; the back of centre gripping piece is provided with the cramp groove, cramp groove appearance and press piece adaptation, press piece card income cramp inslot.

Preferably, the pressing piece is in a rod-shaped structure, the tail end of the pressing piece is a closed handheld part, and the head ends of the two sides of the pressing piece are respectively provided with a transverse bending part to form a hinge shaft; the back of the clamping part is provided with a corresponding hinged support.

Preferably, the pressing piece is a metal rod, and two sides of the pressing piece are bent towards the middle part to be folded.

Preferably, the rib pressing groove is in a concave structure on the back surface of the clamping piece, and is in a convex structure on the inner side of the clamping piece, so that the reinforcing rib is formed.

Preferably, the clamping piece is provided with a slot matched with the elastic bending piece; the elastic bending piece is inserted into the slot and fixedly connected with the clamping piece.

Preferably, the middle part of the clamping piece is provided with a concave part, the upper end surface of the concave part is of an opening structure, the slot is formed, and the side wall of the slot is concave inwards.

Preferably, the slot is provided with a positioning convex point; the elastic bending piece is provided with a corresponding clamping hole, and after the elastic bending piece is inserted into the slot, the convex point is clamped into the clamping hole.

Preferably, the elastic bending piece comprises an introduction part, an insertion part and a limiting part; the guide-in part is bent in an arc shape and is bent outwards; the insertion part protrudes outwards, and the insertion part is clung to the outer side wall of the slot after installation; the limiting part is tightly attached to the inner surface of the clamping piece.

Preferably, the inner surface of the clamping piece is provided with a limiting groove matched with the limiting part, the limiting part is clamped into the limiting groove, the limiting part is prevented from shaking left and right, and the stability of the structure is further improved.

Preferably, the two facing surfaces in the clamping part are respectively provided with a clamping rack.

The beneficial effects of the utility model are as follows: the dovetail-shaped clamping structure with high stability is characterized in that the clamping piece is provided with the rib pressing groove, the pressing piece is clamped into the rib pressing groove, when pressing force is applied, the pressing piece is stressed stably and uniformly, the condition of shaking and slipping left and right is avoided, and the dovetail-shaped clamping structure is reliable to use and does not hurt hands; when the pressing force is applied to the pressing piece, the elastic clamping space between the elastic bending pieces is increased, namely the distance between the clamping parts of the two clamping pieces is increased, the device is suitable for files with different thicknesses, and the device is flexible to use.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic view of the overall structure of a dovetail-type clamping structure of high stability according to the present utility model;

FIG. 2 is a schematic view of another morphology of FIG. 1 according to the present utility model;

FIG. 3 is an exploded view of a high stability dovetail clamp according to the present utility model;

FIG. 4 is a schematic view of a clamping plate of a dovetail-type clamping structure with high stability according to the present utility model;

fig. 5 is a schematic view of an elastic limiting plate of the dovetail-shaped clamping structure with high stability.

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.

As shown in fig. 1, 2 and 3, the dovetail-shaped clamping structure with high stability is convenient to operate, stable in clamping operation and anti-sliding. Consists of a pair of clamping pieces, an elastic limiting piece and a pressing piece.

In the present embodiment, one edge of the two clamping pieces 1 is attached to form a clamping portion, and the other edge is separated from each other to form an opening portion; the two facing surfaces in the clamping part are respectively provided with a clamping rack 14, and the clamping part has the functions of skid resistance and improving the clamping stability.

Referring to fig. 5, at least one elastic limiting piece 2, two ends of the elastic limiting piece 2 are respectively provided with an elastic bending piece 21, the two elastic bending pieces 21 are folded towards the middle, an elastic clamping space is formed between the two elastic bending pieces 21, when an external force causes the two elastic bending pieces 21 to separate outwards, the elastic clamping space is increased, the elastic force of the elastic bending pieces 21 is increased, the two elastic bending pieces 21 are respectively connected with the two clamping pieces 1, and the clamping parts of the two clamping pieces 1 are elastically clung. In this embodiment, two elastic limiting pieces 2 are used.

Referring to fig. 3, a pair of pressing members 3 are respectively mounted on the back of two clamping pieces 1, one end of each pressing member 3 is connected to the back of the clamping part, the other end of each pressing member extends out of the edge of the opening part, the extending parts form a holding part 31, and pressure is applied to the holding parts of the two pressing members in the same direction to open the clamping parts and the elastic clamping space, so that the elastic force of the elastic bending piece 21 is increased; the back of centre gripping piece 1 is provided with the cramp groove 11, cramp groove 11 appearance and press piece 3 adaptation, press piece 3 card go into cramp groove 11. When the pressing piece 3 is stressed, the pressing piece 3 is clamped into the rib pressing groove 11, so that the stress is stable and balanced, and the situation of shaking and slipping left and right is avoided.

Wherein, the pressing piece 3 is in a rod-shaped structure, the tail end of the pressing piece 3 is a closed hand-held part 31, and the head ends of the two sides of the pressing piece 3 are respectively provided with a transverse bending part to form a hinge shaft 32; the back of the clamping part is provided with a corresponding hinge seat 12. The pressing piece 3 is a metal rod, two sides of the pressing piece 3 are bent towards the middle to be folded, the hinge shafts 32 at two ends are on a straight line and have elastic force for outwards expanding, so that the hinge shafts 32 are outwards expanded, inserted into the hinge support 12 and tightly pressed at the edge of the hinge support 12, and the structure is stable.

Referring to fig. 4, the rib pressing groove 11 is in a concave structure on the back of the clamping piece 1, and is in a convex structure on the inner side of the clamping piece 1, so that the rib pressing groove has a reinforcing rib function and has higher structural strength.

Referring to fig. 4, a slot 4 adapted to the elastic bending piece 21 is provided on the clamping piece 1; the elastic bending piece 21 is inserted into the slot 4 and fixedly connected with the clamping piece 1. The slot 4 is provided with a positioning convex point 41; the elastic bending piece 21 is provided with a corresponding clamping hole 211, and after the elastic bending piece 21 is inserted into the slot 4, the convex point 41 is clamped into the clamping hole 211.

The middle part of the clamping piece 1 is provided with a concave part, the upper end face of the concave part is of an opening structure, the slot 4 is formed, the side wall of the slot 4 is concave inwards, and the elastic bending piece 21 can be inserted into the slot 4, so that the structure is stable.

Referring to fig. 5, the elastic bending piece 21 includes an introduction portion 212, an insertion portion 213, and a limiting portion 214; the leading-in part 212 is bent in an arc shape and is bent outwards, so that the elastic bending piece 21 is easy to be installed; the insertion part 213 protrudes outwards, the insertion part 213 is clung to the outer side wall of the slot 4 after installation, and elastic pressure is applied to the side wall of the slot 4; the limit part 214 is tightly attached to the inner surface of the clamping piece 1, and the structure is stable to install.

The clamping piece 1 inner face sets up the spacing groove 13 with spacing portion 214 adaptation, and spacing portion 214 card goes into spacing inslot 13, prevents spacing portion 214 from rocking about, further improves the stability of structure.

The bottom surfaces of the limiting part 214 and the elastic limiting piece 21 provide supporting force for the clamping pieces 1, so that the upper edges of the two clamping pieces 1 are of mutually separated open structures.

According to the dovetail-shaped clamping structure with high stability, the clamping piece is provided with the rib pressing groove, the pressing piece is clamped into the rib pressing groove, when pressing force is applied, the pressing piece is stable and balanced in stress, the situation of shaking and slipping left and right is avoided, and the dovetail-shaped clamping structure is reliable in use and does not hurt hands; when the pressing force is applied to the pressing piece, the elastic clamping space between the elastic bending pieces is increased, namely the distance between the clamping parts of the two clamping pieces is increased, the device is suitable for files with different thicknesses, and the device is flexible to use.

With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims

1. A dovetail clamping structure of high stability, comprising:

one edge of the clamping sheets (1) is attached to form a clamping part, and the other edge is separated from the other edge to form an opening part;

the elastic bending device comprises at least one elastic limiting piece (2), wherein elastic bending pieces (21) are respectively arranged at two ends of the elastic limiting piece (2), the two elastic bending pieces (21) are folded towards the middle part and have elastic force for inward folding, an elastic clamping space is formed between the two elastic bending pieces (21), and when external force causes the two elastic bending pieces (21) to be separated outwards, the elastic clamping space is increased; the two elastic bending pieces (21) are respectively connected with the two clamping pieces (1) and enable the clamping parts of the two clamping pieces (1) to be elastically clung;

the pair of pressing pieces (3) are respectively arranged at the back parts of the two clamping pieces (1), one end of each pressing piece (3) is connected to the back part of the clamping part, the other end of each pressing piece extends out of the edge of the open part, the extending part forms a handheld part (31), the handheld parts of the two pressing pieces are subjected to pressure in the same direction, the clamping parts and the elastic clamping space are opened, and the elastic force of the elastic bending piece (21) is increased; the back of centre gripping piece (1) is provided with cramp groove (11), cramp groove (11) appearance and press fitting (3) adaptation, press fitting (3) card go into cramp groove (11).

2. The high stability dovetail clip construction of claim 1, wherein: the pressing piece (3) is of a rod-shaped structure, the tail end of the pressing piece (3) is a closed handheld part (31), and transverse bending parts are respectively arranged at the head ends of the two sides of the pressing piece (3) to form a hinge shaft (32); the back of the clamping part is provided with a corresponding hinged support (12).

3. The high stability dovetail clip construction of claim 2, wherein: the pressing piece (3) is a metal rod, and two sides of the pressing piece (3) are bent towards the middle part to be folded.

4. A high stability dovetail clip construction according to claim 3, wherein: the rib pressing groove (11) is of a concave structure on the back surface of the clamping piece (1), and is of a convex structure on the inner side surface of the clamping piece (1) to form a reinforcing rib.

5. The high stability dovetail clip construction of claim 4, wherein: the clamping piece (1) is provided with a slot (4) which is matched with the elastic bending piece (21); the elastic bending piece (21) is inserted into the slot (4) and is fixedly connected with the clamping piece (1).

6. The high stability dovetail clip construction of claim 5, wherein: the middle part of the clamping piece (1) is provided with a concave part, the upper end face of the concave part is of an opening structure, the slot (4) is formed, and the side wall of the slot (4) is concave inwards.

7. The high stability dovetail clip construction of claim 6, wherein: positioning convex points (41) are arranged on the slots (4); the elastic bending piece (21) is provided with a corresponding clamping hole (211), and after the elastic bending piece (21) is inserted into the slot (4), the salient point (41) is clamped into the clamping hole.

8. The high stability dovetail clip construction of claim 7, wherein: the elastic bending piece (21) comprises an introduction part (212), an insertion part (213) and a limit part (214); the leading-in part (212) is bent in an arc shape and is bent outwards; the insertion part (213) protrudes outwards, and the insertion part (213) is tightly attached to the outer side wall of the slot (4) after installation; the limiting part (214) is tightly attached to the inner surface of the clamping piece (1).

9. The high stability dovetail clip construction of claim 8, wherein: the inner surface of the clamping piece (1) is provided with a limiting groove (13) matched with the limiting part (214), the limiting part (214) is clamped into the limiting groove (13), the limiting part (214) is prevented from shaking left and right, and the stability of the structure is further improved.

10. The high stability dovetail clip construction of claim 1, wherein: two facing surfaces in the clamping part are respectively provided with a clamping rack (14).