CN210289483U

CN210289483U - Rebound device for furniture

Info

Publication number: CN210289483U
Application number: CN201920342368.4U
Authority: CN
Inventors: 伍贤文
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-18
Filing date: 2019-03-18
Publication date: 2020-04-10
Anticipated expiration: 2029-03-18

Abstract

The utility model discloses a rebound device for furniture, which comprises a shell, a cover body and an elastic expansion piece arranged on the shell in a sliding way, wherein the elastic expansion piece comprises a spring, a guide slide rod, an expansion head and a clamping hook; the sliding groove on the telescopic head comprises an inlet, a linear groove communicated with the inlet, an annular island groove positioned at the tail end of the linear groove and an annular island arranged in the annular island groove, a clamping hook position for a clamping hook to hook is arranged on the surface of the annular island, which faces the tail end of the sliding groove, and a sliding shaft of the clamping hook slides into the linear groove of the sliding groove from the inlet of the sliding groove; pressing the telescopic head, sliding the sliding shaft into the rotary island groove from the linear groove, and sliding the sliding shaft into the clamping hook position from the position below the rotary island to hook and position, so that the telescopic head is in a retraction state; pressing the telescopic head again, sliding the sliding shaft out of the clamping hook position from the upper position of the rotary island, and sliding the sliding shaft back to the linear groove under the elastic force of the spring to enable the telescopic head to be in an extending state; thereby realizing the function of pressing and stretching the rebounder. The problem that the hook slides down is thoroughly solved, so that the hook slides stably and is more reliable to use.

Description

Rebound device for furniture

Technical Field

The utility model relates to a furniture accessory field, in particular to bounce-back ware for furniture.

Background

The rebounder is a switch used for furniture such as cabinets, drawers and the like, is a small hardware fitting, is small in size, and has a very large function. The most remarkable effects are as follows: after the door is installed, the door is opened and closed without a handle, namely the handle is not needed. The door is opened by pressing the door plate, and then closed by pressing the door plate. The inside of the rebounder is mainly combined by a spring, an iron hook, a magnetic head, a rubber head and a plastic sleeve, and the quality of materials and the combination degree influence the service life and the smoothness of the rebounder.

Patent publication No. CN106121424A, entitled rebound device for furniture, discloses that the position of a sliding part is limited by different sliding positions of a hook in a closed-loop chute, so as to achieve the purpose of pressing the rebound device to open and close. The disadvantages are that: the front end of the closed loop sliding groove is provided with two communicated grooves, namely a corresponding loop groove when retracting and a corresponding ejection groove when extending, when in use, one end of the clamping hook is arranged at the front ends of the two grooves, when in compression and contraction, the clamping hook slides from the loop groove, but the problem that the clamping hook enters the ejection groove by mistake can occur, so that the compression is ineffective. How to solve the technical problem is the main purpose of the utility model.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a furniture is with bounce-back ware that the assembly is simple and convenient, mechanical properties is stable, the use is reliable.

The utility model provides a rebound device for furniture, which comprises a shell with an opening at one end, an elastic expansion piece arranged on the shell in a sliding way, and a cover body matched with the shell, the shell is provided with an installation slot position matched with the elastic expansion piece, the elastic expansion piece is installed in the installation slot position, the telescopic end of the elastic telescopic piece extends out of the opening at the end part of the shell, the cover body is covered on the shell, corresponding to the installation slot position, the elastic expansion piece is covered in the installation slot position, the elastic expansion piece comprises a spring, a guide sliding rod, an expansion head and a clamping hook, the rear end of the telescopic head is provided with a guide sliding hole for inserting the guide sliding rod, the wall surface of one end of the shell opposite to the opening of the shell is provided with an insertion hole matched with the end part of the guide sliding rod, one end of the guide sliding rod is positioned in the insertion hole, and the other end of the guide sliding rod is inserted into the guide sliding hole; the inner diameter of the front section of the slide guide hole is larger than that of the rear section of the slide guide hole, the inner diameter of the front section of the slide guide hole is matched with the size of the spring, a spring abutting surface matched with the diameter of the spring is formed between the front section of the slide guide hole and the rear section of the slide guide hole, the spring is arranged on the slide guide rod, one end of the spring abuts against the wall surface where the jack is located, and the other end of the spring abuts against the spring abutting surface;

the outer wall surface of one side of the telescopic head in the telescopic direction is provided with a sliding chute, one side of the shell opposite to the sliding chute is provided with a clamping hook mounting position, the sliding chute comprises an inclined opening inlet positioned at the front end, a linear groove which is communicated with the inlet and is arranged towards the telescopic direction, a rotary island groove which is communicated with the linear groove and is positioned at the tail end of the linear groove, and a rotary island which is arranged in the rotary island groove, and the surface of the rotary island which faces towards the tail end of the sliding chute is provided with a clamping hook position for the clamping hook to hook; the clamping hook comprises a rotating shaft rotatably arranged on the clamping hook mounting position, a sliding shaft sliding in the sliding groove and a connecting shaft connected between the rotating shaft and the sliding shaft, and the sliding shaft slides into the linear groove of the sliding groove from the sliding groove inlet; pressing the telescopic head to extrude the spring, wherein the sliding shaft slides into the rotary island groove from the linear groove and slides into the clamping hook position from the position below the rotary island to be hooked and positioned, so that the telescopic head is in a retraction state; and pressing the telescopic head again, sliding the sliding shaft out of the clamping hook position from the upper position of the rotary island, and sliding the sliding shaft back to the linear groove under the elastic force action of the spring to enable the telescopic head to be in an extending state.

Preferably, two rebounding grooves for preventing the sliding shaft from rebounding are arranged on the surface of the rotary island groove opposite to the hook position, one rebounding groove is higher than the hook position, and the other rebounding groove is lower than the hook position.

Preferably, a limiting hole matched with the sliding shaft is formed in the front end of the linear groove.

Preferably, the hook mounting position comprises a hook positioning wall recessed in the outer side wall of the shell and an open slot positioned in front of the hook positioning wall, and a rotating shaft mounting hole is formed in the hook positioning wall; the axis of rotation with the sliding shaft is parallel and stretches out towards same direction, the connecting axle is for following trip location wall position passes through the open slot changes over to the turning shaft in the installation trench of casing, the axis of rotation is followed the casing outside is inserted in the rotating shaft mounting hole, the connecting axle is followed the open slot stretches into the installation trench, the sliding shaft is followed the spout entry slides in the straight line groove.

Preferably, the outer wall surface of the other side of the telescopic head in the telescopic direction is provided with an exhaust silencing hole.

Preferably, the outer wall surfaces of two sides of the telescopic head in the telescopic direction are provided with guide sliding strips for reducing the friction force between the guide sliding strips and the two side wall surfaces of the installation slot position.

Preferably, the length direction's of lid both sides limit is equipped with the joint limit of inside book, the length direction's of casing bottom both sides concave yield be equipped with the draw-in groove of joint limit adaptation, the lid is detained on the casing, and through the joint limit card goes into to correspond in the draw-in groove, make the lid with the casing is connected fixedly.

Preferably, a positioning block is arranged at one end of the cover in a protruding mode, a positioning slot matched with the positioning block is formed in one end of the shell, and the positioning block is inserted into the positioning slot.

Preferably, the front end of the telescopic head is provided with an adjusting head through threads, and the outer wall surface of the adjusting head is provided with anti-skid threads.

Preferably, a base plate is snap-connected to the bottom of the housing.

The utility model has the advantages that:

the sliding chute on the telescopic head of the rebound device comprises an inlet positioned at the front end and provided with a downward inclined opening, a linear groove communicated with the inlet and arranged towards the telescopic direction, a rotary island groove communicated with the linear groove and positioned at the tail end of the linear groove, and a rotary island arranged in the rotary island groove, wherein a hook position for hooking a hook is arranged on the surface of the rotary island towards the tail end of the sliding chute, and a sliding shaft of the hook slides into the linear groove of the sliding chute from the inlet of the sliding chute; when the telescopic head is pressed, the sliding shaft slides into the rotary island groove from the linear groove and slides into the clamping hook position from the position below the rotary island to be hooked and positioned, so that the telescopic head is in a retraction state, and the spring is extruded at the moment; pressing the telescopic head again, sliding the sliding shaft out of the clamping hook position from the upper position of the rotary island, and sliding the sliding shaft back to the linear groove under the elastic force of the spring to enable the telescopic head to be in an extending state; thereby realizing the function of pressing and stretching the rebounder. Only set up a straight line groove in the spout, be used for the trip switching-over with the roundabout groove setting at the end at the trip, the trip is from up going down in the roundabout groove, thoroughly solves the problem that the trip slided, makes the trip slide stably, uses more reliably.

The clamping hook mounting position comprises a clamping hook positioning wall recessed in the outer side wall of the shell and an open slot positioned in front of the clamping hook positioning wall, and a rotating shaft mounting hole is formed in the clamping hook positioning wall; the rotation axis is parallel with the sliding shaft and stretches out towards the same direction, and the connecting axle is for following trip location wall position and turning the axle in the installation trench of casing through the open slot commentaries on classics, and the rotation axis inserts in the rotation axis mounting hole from the casing outside, and the connecting axle stretches into the installation trench from the open slot, and the sliding shaft enters the slip-in straight line groove from the spout, simple to operate, and stable in structure is difficult for becoming flexible and droing.

Drawings

Fig. 1 is an exploded view of the furniture rebounding device of the present invention;

fig. 2 is a schematic side view of the telescopic head of the furniture rebounding device of the present invention;

fig. 3 is another schematic side view of the telescopic head of the furniture rebounding device of the present invention;

fig. 4 is a schematic structural view of a hook of the rebounding device for furniture of the present invention;

fig. 5 is a schematic cross-sectional view of the cover of the furniture rebounding device of the present invention.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 5, an embodiment of a furniture rebounding device of the present invention is provided:

a rebound device for furniture comprises a shell 1 with an opening at one end, an elastic expansion piece arranged on the shell 1 in a sliding way, a cover body 3 matched with the shell 1 and a base plate 4 arranged at the bottom of the shell 1 in a buckling way. Casing 1 is the plastics material, is equipped with the installation trench 10 with the adaptation of elastic expansion piece on casing 1, and elastic expansion piece installs in installation trench 10, and elastic expansion piece's flexible end stretches out from the tip opening of casing 1. The cover body 3 is covered on the shell body 1, corresponds to the installation slot position, and covers the elastic expansion piece.

The elastic expansion piece comprises a spring 6, a slide guiding rod 5, an expansion head 2 and a clamping hook 7. The rear end of the telescopic head 2 is provided with a slide guide hole 20 for inserting the slide guide rod 5, one end wall surface of the shell 1 opposite to the opening is provided with an insertion hole matched with the end part of the slide guide rod 5, one end of the slide guide rod 5 is positioned in the insertion hole, and the other end of the slide guide rod 5 is inserted into the slide guide hole 20. The internal diameter of the front section of the slide guiding hole 20 is larger than that of the rear section thereof, the internal diameter of the front section thereof is matched with the size of the spring 6, a spring abutting surface matched with the diameter of the spring 6 is formed between the front section and the rear section thereof, the spring 6 is arranged on the slide guiding rod 5, one end of the spring 6 abuts against the wall surface where the jack is located, and the other end abuts against the spring abutting surface. The elastic force of the spring 6 acts on the telescopic head 2 to extend the telescopic head 2; when the retractable head 2 is pressed, the spring 6 is extruded, and the slide guide rod 5 slides into the rear section of the slide guide hole 20, so that the retractable head 2 retracts.

The outer wall surface of one side of the telescopic head 2 in the telescopic direction is provided with a sliding chute, and the outer wall surface of the other side is provided with an exhaust silencing hole 28. A clamping hook mounting position is arranged on one side of the shell 1 opposite to the sliding groove. The chute comprises an inlet 21 with an upward inclined opening at the front end, a linear groove 22 communicated with the inlet 21 and arranged towards the telescopic direction, an island groove 23 communicated with the linear groove 22 and arranged at the tail end of the linear groove 22, and an island 24 arranged in the island groove 23, wherein the linear groove 22 is arranged below the inlet 21. The surface of the rotary island 24 facing the end of the sliding chute is provided with a hook position 25 for hooking the hook 7. The hook 7 is made by bending a metal wire, and comprises a rotating shaft 71 rotatably mounted on a hook mounting position, a sliding shaft 73 sliding in the sliding groove, and a connecting shaft 72 connected between the rotating shaft 71 and the sliding shaft 73, wherein the sliding shaft 73 slides into the linear groove 22 of the sliding groove from the sliding groove inlet 21.

When the telescopic head is used, the telescopic head 2 is pressed, the sliding shaft 73 slides into the rotary island groove 23 from the linear groove 22 and slides into the hook position 25 from the position below the rotary island 24 to be hooked and positioned, so that the telescopic head 2 is in a retraction state, and the spring 6 is extruded at the moment; when the telescopic head 2 is pressed again, the sliding shaft 73 slides out of the hook position 25 from the upper position of the rotary island 24 and slides back to the linear groove 22 under the elastic force of the spring 6, so that the telescopic head 2 is in an extending state; thereby realizing the function of pressing and stretching the rebounder. Only set up a straight line groove 22 in the spout, set up ring island groove 23 and be used for trip reversing of trip 7 at the end, trip 7 is from up going down in ring island groove 23, compares with the structure that current trip 7 all is from the upper portion of spout back gliding down, and the problem that trip 7 slided has thoroughly been solved to this product, makes trip 7 slide stably, uses more reliably. The hook 7 slides in from the entrance 21 of the chute, which is convenient for installation.

Preferably, a limiting hole 27 matched with the sliding shaft 73 is arranged at the front end position of the linear groove 22, and when the telescopic head 2 is ejected, the sliding shaft 73 of the clamping hook 7 is positioned in the limiting hole 27, so that the sliding shaft 73 is prevented from moving upwards, and dislocation is avoided.

Preferably, two rebounding grooves 26 for preventing the rebounding of the sliding shaft 73 are provided on the surface of the island groove 23 opposite to the hooking position 25, one rebounding groove 26 being higher than the hooking position 25 and the other rebounding groove 26 being lower than the hooking position 25.

Preferably, the hook mounting position comprises a hook positioning wall 11 recessed in the outer side wall of the shell 1 and an open slot 12 located in front of the hook positioning wall 11, and a rotating shaft mounting hole is formed in the hook positioning wall 11; the rotating shaft 71 and the sliding shaft 73 are parallel and extend in the same direction, and the connecting shaft 72 is a turning shaft which turns into the mounting slot 10 of the housing 1 from the position of the hook positioning wall 11 through the open slot 12. The rotating shaft 71 is inserted into the rotating shaft mounting hole from the outer side of the shell 1, the connecting shaft 72 extends into the mounting groove position 10 from the open groove 12, and the sliding shaft 73 slides into the linear groove 22 from the sliding groove inlet 21, so that the installation is convenient, the structure is stable, the clamping hook 7 is protected in positioning in the vertical and horizontal directions, and the clamping hook is not easy to shift and loosen and fall off.

Preferably, the outer wall surfaces of the two sides of the telescopic head 2 in the telescopic direction are provided with a plurality of guide sliding strips 29 for matching with the side walls of the two sides of the installation slot 10 of the shell 1, so as to better position and prevent the elastic telescopic piece from swinging left and right. Moreover, the clearance between the slide guides 29 reduces the contact area with the wall surface of the housing 1, thereby reducing the friction force during sliding and the noise generated by friction.

Lid 3 is made for steel, and the length direction's of lid 3 both sides limit is equipped with the joint limit 31 of inside book, and the length direction's of casing 1 bottom both sides concave yield be equipped with the draw-in groove of joint limit 31 adaptation, lid 3 is detained on casing 1 to go into corresponding draw-in groove through joint limit 31 card, make lid 3 be connected fixedly with casing 1, simple installation.

Preferably, one end of the cover 3 is provided with a positioning block 32 in a protruding manner, one end of the housing 1 is provided with a positioning slot adapted to the positioning block 32, and the positioning block 32 is inserted into the positioning slot to position the cover 3, thereby preventing the cover 3 from walking and colliding.

Preferably, the front end of the telescopic head 2 is provided with an adjusting head 8 through threads, and the outer wall surface of the adjusting head 8 is provided with anti-skid threads 80, so that the adjusting head 8 can be conveniently adjusted.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structural changes made by the contents of the specification and the drawings, or the direct or indirect application in other related technical fields, are included in the same way in the protection scope of the present invention.

Claims

1. A rebound device for furniture comprises a shell with an opening at one end, an elastic expansion piece which is installed on the shell in a sliding way, and a cover body which is matched with the shell, the shell is provided with an installation slot position matched with the elastic expansion piece, the elastic expansion piece is installed in the installation slot position, the telescopic end of the elastic telescopic piece extends out of the end opening of the shell, the cover body is covered on the shell and corresponds to the mounting groove position, the elastic telescopic piece is covered in the cover body, it is characterized in that the elastic expansion piece comprises a spring, a guide sliding rod, an expansion head and a clamping hook, the rear end of the expansion head is provided with a guide sliding hole for the guide sliding rod to insert, an insertion hole matched with the end part of the guide sliding rod is formed in the wall surface of one end, opposite to the opening, of the shell, one end of the guide sliding rod is positioned in the insertion hole, and the other end of the guide sliding rod is inserted into the guide sliding hole; the inner diameter of the front section of the slide guide hole is larger than that of the rear section of the slide guide hole, the inner diameter of the front section of the slide guide hole is matched with the size of the spring, a spring abutting surface matched with the diameter of the spring is formed between the front section of the slide guide hole and the rear section of the slide guide hole, the spring is arranged on the slide guide rod, one end of the spring abuts against the wall surface where the jack is located, and the other end of the spring abuts against the spring abutting surface;

2. The furniture rebounding device according to claim 1, wherein two rebounding grooves for preventing the rebounding of the sliding shaft are provided on a surface of the rotary island groove opposite to the hook position, one rebounding groove is higher than the hook position, and the other rebounding groove is lower than the hook position.

3. The furniture rebounder according to claim 1 or 2, wherein a limiting hole adapted to said sliding shaft is provided at a front end position of said linear groove.

4. The rebound device for furniture according to claim 1 or 2, wherein the hook mounting portion comprises a hook positioning wall recessed on the outer side wall of the housing and an open slot located in front of the hook positioning wall, and the hook positioning wall is provided with a rotating shaft mounting hole; the axis of rotation with the sliding shaft is parallel and stretches out towards same direction, the connecting axle is for following trip location wall position passes through the open slot changes over to the turning shaft in the installation trench of casing, the axis of rotation is followed the casing outside is inserted in the rotating shaft mounting hole, the connecting axle is followed the open slot stretches into the installation trench, the sliding shaft is followed the spout entry slides in the straight line groove.

5. The furniture rebounder of claim 1, wherein an outer wall surface of the other side of the expansion head in the expansion direction is provided with an exhaust silencing hole.

6. The rebound device for furniture according to claim 1 or 5, wherein the outer wall surfaces of both sides of the telescopic head in the telescopic direction are provided with guide sliding strips for reducing friction with the two side wall surfaces of the mounting groove.

7. The rebounding device for furniture according to claim 1, wherein the two sides of the cover in the length direction are provided with clamping edges folded inwards, the two sides of the bottom of the housing in the length direction are recessed to form clamping grooves adapted to the clamping edges, the cover is fastened to the housing and is clamped into the corresponding clamping grooves through the clamping edges, so that the cover is fixedly connected to the housing.

8. The rebounding device for furniture according to claim 1 or 7, wherein a positioning block is protrudingly provided at one end of the cover, and a positioning insertion groove adapted to the positioning block is provided at one end of the housing, and the positioning block is inserted into the positioning insertion groove.

9. The rebound device for furniture according to claim 1, wherein the front end of the telescopic head is provided with an adjusting head through a screw thread, and the outer wall surface of the adjusting head is provided with anti-skid threads.

10. The furniture rebound of claim 1 wherein a base plate is snap-fit to a bottom of the housing.