Single-tongue type saddle drawer front connector

Abstract

The utility model relates to a single tongue type drawer front connector, which comprises a lock part used for being installed on a drawer side plate and a lock pin part used for being installed on a drawer panel, the lock part is provided with a lock cavity, a locking part is arranged in the lock cavity, the locking part is provided with a lock hole, and the lock pin part is provided with a lock pin. The lock pin part comprises a connecting arm and a lock tongue transversely arranged on one side of the connecting arm, the lock tongue comprises two lock plates transversely arranged on the connecting arm in parallel and a lock pin connected with the front ends of the two lock plates, and the lock tongue is used for being inserted into the lock cavity and clamped into the lock hole through the lock pin at the front end of the lock tongue. According to the utility model, the lock part is only provided with a single lock cavity, the lock pin part is also only provided with a single lock tongue, and the lock part and the lock pin part can be made to be lower so as to meet the assembly requirement of the shallow saddle drawer.

Description

Technical Field

[0001] The utility model relates to a horse-drawer, in particular to a connector on a horse-drawer for connecting a drawer side plate and a drawer panel. Background Art

[0002] The front connector of a horse drawer includes a lock portion for installation on the side panel of the horse drawer and a lock pin portion for installation on the panel of the horse drawer. The lock portion of a traditional horse drawer front connector is provided with two lock cavities spaced apart, and the lock portion is provided with two lock tongues, so the height is relatively large, which is more suitable for deeper horse drawers, but not very suitable for shallower horse drawers. Utility Model Content

[0003] The utility model aims to provide a front connector suitable for a shallow saddle drawer.

[0004] The utility model adopts the following technical solutions:

[0005] A single-tongue front connector for a horse-drawn drawer includes a lock portion for installation on a side panel of the horse-drawn drawer and a lock pin portion for installation on a panel of the horse-drawn drawer. The lock portion is provided with a lock cavity, a locking portion is provided in the lock cavity, and a lock hole is provided in the lock pin portion. The lock pin portion includes a connecting arm and a lock tongue transversely arranged on one side of the connecting arm. The lock tongue includes two lock plates transversely arranged on the connecting arm in parallel and a lock pin connecting the front ends of the two lock plates. The lock tongue is used to be inserted into the lock cavity and is clamped into the lock hole through the lock pin at its front end.

[0006] As a preferred embodiment, the lock portion includes a fixed plate and a lifting plate, a locking plate and a surface cover which are arranged on the same surface of the fixed plate from the inside to the outside and fixed to each other; a U-shaped groove is provided at the front end of the lifting plate, and a U-shaped convex groove is correspondingly provided on the surface cover, and a lock cavity is formed between the U-shaped convex groove and the two grooves.

[0007] As a preferred solution, the locking portion is arranged at the front end of the lock plate and partially extends into the lock cavity from above, and the lock hole is L-shaped and arranged at the bottom edge of the locking portion.

[0008] As a preferred solution, the lifting plate is respectively clamped to two pairs of L-shaped slide buckles arranged on the surface of the fixed plate at a distance from each other via its front longitudinal edge and two first longitudinal long holes arranged on its surface at a distance from each other, thereby being movably connected to the fixed plate up and down; a height adjustment mechanism for fine-tuning the height of the lifting plate and a locking device for fixing the lifting plate at a desired height are provided between the fixed plate and the lifting plate.

[0009] As a preferred embodiment, the height adjustment mechanism includes a first through hole, a second through hole and an adjuster. The first through hole is arranged at the middle position of the bottom of the lifting plate, and the second through hole is arranged on the fixed plate inside the first through hole. The adjuster includes a cylindrical cap, a circular boss centrally arranged on the inner surface of the cylindrical cap, and an eccentric shaft arranged on the surface of the circular boss. The circular boss is rotatably arranged in the first through hole, and the eccentric shaft is arranged in the second through hole. The first through hole is exposed outside the cylindrical cap and a first screwdriver groove is arranged on its outer end face.

[0010] As a preferred embodiment, the locking device includes a second longitudinal long hole, a screw hole column and a locking bolt. The second longitudinal long hole is arranged in the middle of the lifting plate, and the screw hole column is arranged on the fixed plate inside the second longitudinal long hole. The outer diameter of the nut of the locking bolt is larger than the width of the second longitudinal long hole. The screw rod of the locking bolt is screwed to the screw hole column, and the nut is rotatably arranged in the second longitudinal long hole so that the lifting plate is locked to the fixed plate by its nut. A second screwdriver groove is provided on the outer end face of the nut of the locking bolt, and the second screwdriver groove is exposed along the fourth long hole correspondingly arranged on the surface cover.

[0011] As a preferred solution, a plurality of third long holes are further provided on the lock plate, and a first screw hole is correspondingly provided on the surface cover outside each third long hole, and a second screw hole is correspondingly provided on the inner lifting plate. A screw that can movably pass through the corresponding third long hole is screwed into each pair of first screw holes and second screw holes. The screws fix the surface cover to the lifting plate, and movably set the lock plate on the lifting plate and the surface cover.

[0012] As a preferred solution, a tension spring is provided between the lifting plate and the locking plate, the bottom end of the tension spring is connected to a lower spring buckle provided at the rear bottom of the lifting plate, and the top end is connected to an upper spring buckle provided on the locking plate directly above the lower spring buckle, so as to pull the locking plate down and move the two locking parts down to a locked position.

[0013] As a preferred embodiment, the connector also includes an unlocking knob for driving the locking plate to move up to unlock the two locking parts, the unlocking knob includes a cam with one end being thick and the other end being thin, the inner surface of the thin part of the cam is provided with an axle, the outer surface of the thick part is provided with a round convex column, the top surface of the round convex column is provided with a third screwdriver groove, the unlocking knob is arranged inside the U-shaped convex groove located below, its axle is arranged in the axial hole provided on the locking plate, and its round convex column is rotatably arranged in the third through hole provided on the top outside the U-shaped convex groove.

[0014] The lock part of the utility model is only provided with a single lock cavity, and the lock pin part is also only provided with a single lock tongue. Therefore, the lock part and the lock pin part can be made lower to meet the assembly requirements of the shallow saddle drawer. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0016] Figure 2An exploded view of the lock structure of an embodiment of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of a regulator according to an embodiment of the utility model;

[0018] Figure 4 This is a schematic diagram of the unlocking knob structure of an embodiment of the utility model;

[0019] Figure 5 It is a schematic diagram of the connection structure between the embodiment of the utility model and the horse drawer. DETAILED DESCRIPTION

[0020] The utility model is described below in conjunction with the accompanying drawings and specific embodiments.

[0021] Reference Figure 1-5 :

[0022] A single-tongue front connector for a horse drawer comprises a lock portion 10 for mounting on a side panel of the horse drawer and a lock pin portion 20 for mounting on a panel of the horse drawer.

[0023] The lock part 10 includes a fixed plate 11 and a lifting plate 12, a locking plate 13 and a panel 14 which are sequentially arranged on the same side of the fixed plate 11 from the inside to the outside.

[0024] Both ends of the top and bottom of the fixing plate 11 are provided with folded edges 11.4, and mounting holes are provided on the folded edges at one or both ends.

[0025] The lifting plate 12 is arranged on the fixed plate 11, and is respectively clamped to two pairs of L-shaped sliding buckles 11.1 arranged on the surface of the fixed plate 11 at a distance from each other through its front longitudinal edge and two first longitudinal long holes 12.1 arranged on its plate surface at a distance from each other, so as to be connected to the fixed plate 11 in a height-adjustable manner.

[0026] A height adjustment mechanism for adjusting the height of the lifting plate 12 is provided between the fixed plate 11 and the lifting plate 12, and the height adjustment mechanism includes a first through hole 12.2, a second through hole 11.2 and an adjuster 15. The first through hole 12.2 is provided at the middle position of the bottom of the lifting plate 12, and the second through hole 11.2 is provided on the fixed plate 11 inside the first through hole 12.2. The adjuster 15 includes a cylindrical cap 15.1, a circular boss 15.2 centrally provided on the inner surface of the cylindrical cap 15.1, and an eccentric shaft 15.3 provided on the surface of the circular boss 15.2. The circular boss 15.2 is rotatably provided in the first through hole 12.2, the eccentric shaft 15.3 is provided in the second through hole 11.2, the cylindrical cap 15.1 is exposed to the first through hole 12.2 and a first screwdriver groove 15.4 is provided on its outer end surface.

[0027] A locking device for locking the lifting plate 12 to the fixed plate 11 is also provided between the fixed plate 11 and the lifting plate 12, the locking device comprising a second longitudinal long hole 12.3, a screw hole column 11.3 and a locking bolt 16, the second longitudinal long hole 12.3 is provided in the middle of the lifting plate 12, the screw hole column 11.3 is provided on the fixed plate 11 inside the second longitudinal long hole 12.3, the outer diameter of the nut of the locking bolt 16 is greater than the width of the second longitudinal long hole 12.3, the screw rod of the locking bolt 16 is screwed to the screw hole column 11.3, the nut is rotatably provided in the second longitudinal long hole 12.3, so that the lifting plate 12 is locked to the fixed plate 11 by its nut, the outer end surface of the nut of the locking bolt 16 is provided with a second screwdriver groove 16.1, and the second screwdriver groove 16.1 is exposed along the fourth long hole 14.3 correspondingly provided on the surface cover 14.

[0028] A U-shaped groove 12.4 is formed at the front end of the lifting plate 12, and a U-shaped convex groove 14.1 is formed on the cover to protrude outward. The U-shaped convex groove 14.1 is connected with the U-shaped groove 12.4 to form a locking cavity 110.

[0029] The upper and lower banks of the U-shaped groove 12.4 are both provided with partitions 12.5 protruding toward the outer plate surface of the lifting plate 12, and the locking plate 13 is arranged on the partition 12.5; the front end of the locking plate 13 is provided with a locking portion 13.1 that partially penetrates into the U-shaped locking groove 13.1 from the top, and the bottom edge of the locking portion 13.1 is provided with an L-shaped locking hole 13.2 inclined backward and upward.

[0030] The lock plate 13 is also provided with a plurality of third long holes 13.3, and each third long hole 13.3 is correspondingly provided with a first screw hole 14.2 on the outer surface cover 14, and a second screw hole 12.6 is correspondingly provided on the inner lifting plate 12. A screw 17 that movably passes through the corresponding third long hole 13.3 is screwed into each pair of the first screw holes 14.2 and the second screw holes 12.6. The screw 17 fixes the surface cover 14 to the lifting plate 12, and movably sets the lock plate 13 on the lifting plate 12 and the surface cover 14 up and down.

[0031] A tension spring 18 is provided between the lifting plate 12 and the locking plate 13, the bottom end of which is connected to a lower spring buckle 12.7 provided at the rear bottom of the lifting plate 12, and the top end is connected to an upper spring buckle 13.4 provided on the locking plate 13 just above the lower spring buckle 12.7, so as to pull the locking plate 13 downward and put the two locking parts 13.2 in the locked position.

[0032] The connector also includes an unlocking knob 19 for driving the lock plate 13 to move upward to unlock the two locking parts 13.2. The unlocking knob 19 includes a cam 19.1 with a thick end and a thin end. The inner surface of the thin part of the cam 19.1 is provided with a wheel shaft 19.2, and the outer surface of the thick part is provided with a round convex column 19.3. The top surface of the round convex column 19.3 is provided with a third screwdriver groove 19.31. The unlocking knob 19 is arranged inside the U-shaped convex groove 14.1 located below, and its wheel shaft 19.2 is arranged in the shaft hole 13.5 provided on the lock plate 13, and its round convex column 19.3 is rotatably arranged in the third through hole 14.11 provided on the top of the U-shaped convex groove 14.1.

[0033] The lock pin portion 20 includes a connecting arm 21 and a lock tongue 22 transversely arranged on one side of the connecting arm 21. The lock tongue 22 includes two lock plates 22.1 transversely arranged in parallel on the connecting arm 21 and a lock pin 22.2 connecting the front ends of the two lock plates 22.1. The lock tongue 22 can be inserted into the lock cavity 110 of the lock portion 10 and is inserted into the L-shaped lock hole 13.2 on the lock plate 13 through the lock pin 22.2 at its front end.

[0034] During installation, the lock part 10 is arranged in the installation groove provided at the end of the drawer side plate 30 with the lock cavity 110 facing outward, and the fixing plate 11 is fixed to the drawer side plate 30 by screws, the lock pin part 20 is arranged in the installation groove provided at the inner end of the drawer panel 40 with the lock tongue 22 exposed, and the connecting arm 21 is fixedly connected to the drawer panel 40 by screws, and the lock tongue 22 of the lock pin part 20 is inserted into the lock cavity 110 of the lock part, and the lock pin 22.1 at the front end of the lock tongue 22 overcomes the resistance of the tension spring 18 to push the lock plate 13 upward and get stuck in the two L-shaped lock holes 13.2, and then the tension spring 18 is reset to pull the lock plate 13 down to lock the lock tongue 22 in the lock cavity 110, thereby completing the fixed connection between the drawer side plate 30 and the drawer panel 40.

[0035] When the drawer side panel 30 and the drawer front panel 40 are separated, the thick part of the cam of the unlocking knob 19 is rotated by a screwdriver, and the thin part of the cam can drive the lock plate 13 to move upward, and the lock pin 22.1 is unlocked from the L-shaped lock hole 13.2, so that the lock pin part 20 can be pulled out from the lock part 10.

[0036] If it is necessary to adjust the height of the drawer panel 40 relative to the drawer side panel 30, first loosen the locking bolt 16 with a screwdriver to unlock the lifting plate 12, and then rotate the adjuster 15 with a screwdriver. The adjuster 15 can drive the lifting plate 12 to move up and down, thereby driving the locking plate 13, the cover 14 and the drawer panel 40 to move up and down to a suitable height. Tighten the locking bolt 16 to fix the drawer panel 40 at this height.

Claims

1. A single-tongue type saddle-drawn front connector, characterized in that: The utility model comprises a lock part for being installed on the side panel of the horse-drawn drawer and a lock pin part for being installed on the panel of the horse-drawn drawer. The lock part is provided with a lock cavity, a locking part is provided in the lock cavity, and a lock hole is provided in the lock pin part. The lock pin part comprises a connecting arm and a lock tongue horizontally arranged on one side of the connecting arm. The lock tongue comprises two lock plates horizontally arranged in parallel on the connecting arm and a lock pin connecting the front ends of the two lock plates. The lock tongue is used to be inserted into the lock cavity and is clamped into the lock hole through the lock pin at its front end.

2. The single-tongue type saddle-draw front connector according to claim 1, characterized in that: The lock part includes a fixed plate and a lifting plate, a locking plate and a surface cover which are arranged on the same surface of the fixed plate from the inside to the outside and fixed to each other; a U-shaped groove is arranged at the front end of the lifting plate, and a U-shaped convex groove is correspondingly arranged on the surface cover, and a lock cavity is formed between the U-shaped convex groove and the two grooves.

3. The single-tongue type saddle-draw front connector according to claim 2, characterized in that: The locking portion is arranged at the front end of the locking plate and partially penetrates into the lock cavity from the upper part; the locking hole is L-shaped and arranged at the bottom edge of the locking portion.

4. The single-tongue type saddle-draw front connector according to claim 1, characterized in that: The lifting plate is respectively connected to two pairs of L-shaped slide buckles arranged on the surface of the fixed plate at a distance from each other via its front longitudinal edge and two first longitudinal long holes arranged on its surface at a distance from each other, thereby being movably connected to the fixed plate up and down; a height adjustment mechanism for fine-tuning the height of the lifting plate and a locking device for fixing the lifting plate at a desired height are provided between the fixed plate and the lifting plate.

5. The single-tongue type saddle-draw front connector according to claim 4, characterized in that: The height adjustment mechanism includes a first through hole, a second through hole and an adjuster. The first through hole is arranged at the middle position of the bottom of the lifting plate, and the second through hole is arranged on the fixed plate inside the first through hole. The adjuster includes a cylindrical cap, a circular boss centrally arranged on the inner surface of the cylindrical cap, and an eccentric shaft arranged on the surface of the circular boss. The circular boss is rotatably arranged in the first through hole, and the eccentric shaft is arranged in the second through hole. The first through hole is exposed outside the cylindrical cap and a first screwdriver groove is arranged on its outer end surface.

6. The single-tongue type saddle-draw front connector according to claim 4, characterized in that: The locking device includes a second longitudinal long hole, a screw hole column and a locking bolt. The second longitudinal long hole is arranged in the middle of the lifting plate, and the screw hole column is arranged on the fixed plate inside the second longitudinal long hole. The outer diameter of the nut of the locking bolt is larger than the width of the second longitudinal long hole. The screw rod of the locking bolt is screwed to the screw hole column, and the nut is rotatably arranged in the second longitudinal long hole so that the lifting plate is locked to the fixed plate by the nut. A second screwdriver groove is arranged on the outer end face of the nut of the locking bolt, and the second screwdriver groove is exposed along the fourth long hole correspondingly arranged on the surface cover.

7. The single-tongue type saddle-draw front connector according to claim 1, characterized in that: The lock plate is also provided with a plurality of third long holes, and a first screw hole is correspondingly provided on the surface cover outside each third long hole, and a second screw hole is correspondingly provided on the inner lifting plate. A screw that can movably pass through the corresponding third long hole is screwed into each pair of the first screw hole and the second screw hole. The screws fix the surface cover to the lifting plate, and movably set the lock plate on the lifting plate and the surface cover.

8. The single-tongue type saddle-draw front connector according to claim 7, characterized in that: A tension spring is provided between the lifting plate and the locking plate. The bottom end of the tension spring is connected to a lower spring buckle provided at the rear bottom of the lifting plate, and the top end is connected to an upper spring buckle provided on the locking plate just above the lower spring buckle, so as to pull the locking plate down and move the two locking parts down to a locked position.

9. The single-tongue type saddle-draw front connector according to claim 8, characterized in that: The connector also includes an unlocking knob for driving the lock plate to move up to unlock the two locking parts. The unlocking knob includes a cam with one end being thick and the other end being thin. The inner surface of the thin part of the cam is provided with an axle, and the outer surface of the thick part is provided with a round convex column. The top surface of the round convex column is provided with a third screwdriver groove. The unlocking knob is arranged inside the U-shaped convex groove located below, and its axle is arranged in the axial hole arranged on the lock plate, and its round convex column is rotatably arranged in the third through hole arranged on the top outside the U-shaped convex groove.

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