CN106438613A - Hidden quick positioning lock head and combined frame - Google Patents

Abstract

A hidden quick positioning lock head comprises a hollow shell, a herringbone spring plate penetrates through the shell, a first claw hook and a second claw hook are respectively arranged at the end parts of the herringbone spring plate, a first through hole and a second through hole are respectively arranged on the side surface of the shell, a third through hole and a fourth through hole are oppositely arranged on the herringbone spring plate, an eccentric rotating shaft sequentially penetrates through the first through hole, the third through hole, the fourth through hole and the second through hole, an installation part is arranged at one end of the shell, the first claw hook and the second claw hook are respectively hooked on the installation part, a first extrusion part and a second extrusion part are respectively arranged on the inner wall of the shell, the herringbone spring plate moves in the shell by rotating the eccentric rotating shaft, when the herringbone spring plate is extruded by the first extrusion part and the second extrusion part, the opening of the herringbone spring plate is folded, the first claw hook and the second claw hook penetrate through a positioning hole of a universal connecting rod, the opening of the herringbone elastic sheet is opened and moves back at the same time, and the first claw hook and the second claw hook are tightly hooked on the positioning hole of the universal connecting rod.

Description

Hidden quick positioning lock head and combined frame

technical field

The invention relates to the technical field of lock heads, in particular to a hidden quick positioning lock head and a combined frame.

Background technique

The applicant has disclosed a Chinese utility model patent with the application number 201620036546.7 and the name "Smart Bar Table", which includes at least one basic unit cabinet, and there are side cabinets inside the basic unit cabinet. , the front panel, the rear panel and the basic universal rods, the basic universal rods are connected by quick corner connectors, the basic universal rods are provided with card slots, the bottom plate, the desktop board, the two side panels, the front panel, and the rear panel Card slot, the basic unit cabinet is equipped with a wine cabinet central processor, communication module and power supply unit, the basic unit cabinet is equipped with a temperature sensor, humidity sensor, cooling and/or heating device and temperature control device, the wine cabinet center The processor is connected with the communication module, temperature sensor, humidity sensor, cooling and/or heating device, and temperature control device.

However, after applying for further research and development, it was found that although the quick corner connector can be installed quickly, the quick corner connector is exposed to the outside. For many products, especially high-end products, such as bar counters, counters, etc., it will Affect the appearance of the product and reduce the added value of the product.

Therefore, there is an urgent need to provide a hidden quick positioning lock head and a combined frame to solve the deficiencies in the prior art.

Contents of the invention

One of the purposes of the present invention is to provide a hidden quick-positioning lock head with built-in lock head, more beautiful appearance, simple processing technology and high structural strength.

Another object of the present invention is to provide a combined frame, including several universal rods, the universal rods are connected and fixed by the above-mentioned hidden quick positioning lock head, the installation is fast and convenient, no screws can be seen outside, the appearance is more beautiful, and the The added value of the product.

To achieve the above object, the present invention adopts the following technical solutions:

Hidden fast positioning lock head, including a hollow shell, the shell is pierced with a herringbone shrapnel, the ends of the herringbone shrapnel are respectively provided with a first claw hook and a second claw hook, and the sides of the shell are respectively A first through hole and a second through hole are provided, and a third through hole and a fourth through hole are oppositely opened on the chevron-shaped shrapnel, and the eccentric shaft passes through the first through hole and the third through hole in sequence , the fourth through hole and the second through hole, one end of the housing is provided with a mounting part, and the first hook and the second hook are respectively hooked on the mounting part, so The inner wall of the housing is respectively provided with a first extruding part and a second extruding part, rotating the eccentric shaft makes the herringbone shrapnel move in the housing, when the first extruding part and the second extruding part When the two extrusion parts squeeze the chevron-shaped elastic piece, the opening of the chevron-shaped elastic piece is closed.

Preferably, the eccentric rotating shaft includes a rotating shaft, an eccentric boss and a knob, the eccentric boss is arranged on the rotating shaft, the knob is arranged at the end of the rotating shaft, and the eccentric boss passes through the the third through hole and the fourth through hole.

Preferably, the other end of the rotating shaft is provided with an annular groove, and a limiting piece is arranged in the annular groove.

Preferably, the chevron-shaped shrapnel is further provided with a first through slot and a second through slot, the first extrusion part is stuck in the first through slot, and the second extrusion part is stuck in the first through slot. in the second slot.

Preferably, the upper end and the lower end of the installation part are respectively provided with a first installation hole and a second installation hole, the first installation hole is pierced with a first fixing member, and the second installation hole is provided with a second installation hole. Two fixing parts.

The combined frame includes several universal mounting rods and several universal connecting rods, and the universal mounting rods and the universal connecting rods are connected through the above-mentioned hidden quick positioning lock head.

Preferably, a hollow cavity is provided inside the universal mounting rod, the top surface and the bottom surface of the cavity are respectively provided with a first slot and a second slot, and the hidden quick positioning lock head is installed on Both ends of the cavity are fixed on the first slot and the second slot, positioning holes are provided on the side of the end of the universal connecting rod, and the end of the universal mounting rod is connected to the universal The ends of the connecting rods are clamped, and the eccentric shaft is rotated to move the chevron-shaped shrapnel in the housing. When the chevron-shaped shrapnel moves to the corresponding positions of the first extrusion part and the second extrusion part on the inner wall of the housing, the first The extruding part and the second extruding part squeeze the shrapnel, so that the opening of the herringbone shrapnel is gathered and passed through the positioning hole, and the eccentric shaft is turned in the opposite direction, so that the opening of the herringbone shrapnel is opened, so that the first claw hook and the second hook are respectively hooked on the positioning holes.

Preferably, the universal mounting rod and the universal connecting rod are general aluminum profiles.

Compared with the prior art, the hidden quick positioning lock head and the combined frame of the present invention have the following beneficial effects: twist the eccentric shaft, and the eccentric shaft drives the herringbone shrapnel to move in the housing, when the herringbone shrapnel moves to the housing When the first extrusion part and the second extrusion part on the inner wall correspond to the position, the first extrusion part and the second extrusion part squeeze the shrapnel, so that the opening of the herringbone shrapnel is closed, and the eccentric shaft is twisted in the opposite direction, and then The opening of the herringbone shrapnel can be opened; when assembling, first install the hidden quick positioning lock head in the cavity of the universal installation rod, and the end of the universal installation rod is engaged with the end of the universal connecting rod Connect, turn the eccentric shaft, the opening of the herringbone shrapnel closes, the first hook and the second hook go through the positioning hole of the universal connecting rod, then turn the eccentric shaft in the opposite direction, the opening of the herringbone shrapnel opens at the same time Move back, the first claw hook and the second claw hook are tightly hooked on the positioning hole of the universal connecting rod, the connection is tight and firm, completely hidden installation, beautiful appearance, and easy to disassemble, and the universal mounting rod and universal mounting The rods are all standard parts with strong versatility.

Instructions attached

Accompanying drawing 1 is the structure schematic diagram of the concealed quick positioning lock head of the present invention.

Accompanying drawing 2 is the structure diagram of the housing of the present invention.

Accompanying drawing 3 is the structural representation of the herringbone shrapnel of the present invention.

Accompanying drawing 4 is the structure schematic diagram of the eccentric rotating shaft of the present invention.

Accompanying drawing 5 is the structure diagram of the combined frame of the present invention.

Accompanying drawing 6 is the schematic structural diagram of the universal mounting bar of the present invention.

Accompanying drawing 7 is the structural diagram of the assembly of the universal connecting rod and the hidden quick positioning lock head of the present invention.

Accompanying drawing 8 is the sectional view of the combined frame of the present invention.

detailed description

The present invention will be further described below in conjunction with the examples, which are preferred embodiments of the present invention.

Example 1

As shown in the accompanying drawings 1-4, the hidden quick positioning lock head 5 includes a hollow shell 1, and a herringbone shrapnel 2 is pierced inside the shell 1, and the ends of the herringbone shrapnel 2 are respectively provided with first The claw hook 21 and the second claw hook 22, the side of the housing 1 are respectively provided with a first through hole 11 and a second through hole 12, and the herringbone shrapnel 2 is oppositely provided with a third through hole 23 and a second through hole. Four through holes 24, the eccentric shaft 3 passes through the first through hole 11, the third through hole 23, the fourth through hole 24 and the second through hole 12 in sequence, and one end of the housing 1 is provided with The installation part 4, the first claw hook 21 and the second claw hook 22 are respectively hooked on the installation part 4, and the inner wall of the housing 1 is respectively provided with a first extrusion part 13 and a second extrusion part. The pressing part 14 rotates the eccentric shaft 3 to move the herringbone shrapnel 2 in the housing 1, when the first pressing part 13 and the second pressing part 14 press the herringbone When the shrapnel 2 is closed, the opening 25 of the herringbone shrapnel 2 is closed.

Please refer to accompanying drawing 4, described eccentric rotating shaft 3 comprises rotating shaft 31, eccentric boss 32 and knob 33, and described eccentric boss 32 is arranged on described rotating shaft 21, and described knob 33 is arranged at the end of described rotating shaft 31 , the eccentric boss 32 passes through the third through hole 23 and the fourth through hole 24 . The rotating shaft 31 drives the eccentric boss 32 to rotate, and the eccentric boss 32 drives the elastic piece 2 to move in the housing 1 at the third through hole 23 and the fourth through hole 24 .

Preferably, the other end of the rotating shaft 31 is provided with an annular groove 34 , and a limiting piece 35 is arranged in the annular groove 34 . The limiting piece 35 is used to limit the position of the rotating shaft 31 so that it will not fall off.

Please refer to accompanying drawing 4, said chevron-shaped shrapnel 2 is also provided with a first through groove 25 and a second through groove 26, and said first extrusion part 13 is stuck in said first through groove 25, said first through groove The two extrusion parts 14 are locked in the second through slot 26 . The first extruding portion 13 and the second extruding portion 14 play the role of extruding the herringbone elastic piece 2. After the first claw hook 21 and the second claw hook 22 of the herringbone elastic piece 2 are positioned, the first extruding portion 13 and the second extrusion part 14 respectively cooperate with the first through groove 25 and the second through groove 26 to realize positioning, so that the herringbone elastic piece 2 will not move left and right.

Please refer to accompanying drawing 2, the upper end and the lower end of described installation part 4 are respectively provided with first installation hole 41 and second installation hole 42, and described first installation hole 41 is penetrated with first fixing member 33, and described first A second fixing member 44 is disposed in the second mounting hole 42 . The housing 1 is installed through the first fixing part 33 and the second fixing part 44 .

Example 2

Please refer to the accompanying drawings 5-8, the combined frame includes several universal mounting rods 6 and several universal connecting rods 7, between the universal mounting rods 6 and the universal connecting rods 7 through the above hidden Type quick positioning lock head 5 connection.

The hidden quick positioning lock head 5 of Embodiment 1 is widely used, and can form a combined frame of the required shape according to needs, such as the combined frame of the seat body, the combined frame of the cabinet body, etc., and the hidden quick positioning The lock head 5 is built in the universal installation rod 6, the appearance is more beautiful and concise, and the installation and disassembly are all very convenient.

Preferably, the universal mounting rod 6 is provided with a hollow cavity 61, and the top surface and the bottom surface of the cavity 61 are respectively provided with a first card slot 62 and a second card slot 63, and the hidden fast The positioning lock head 5 is installed at both ends of the cavity 61 and fixed on the first slot 62 and the second slot 63, and the side of the end of the universal connecting rod 7 is provided with a positioning hole 71, the The end 64 of the universal mounting rod 6 is clamped with the end 72 of the universal connecting rod 7, and the eccentric shaft 3 is rotated to make the herringbone shrapnel 2 move in the housing 1. When the herringbone shrapnel 2 moves to the housing 1 When the first extruded part 13 and the second extruded part 14 on the inner wall correspond to the position, the first extruded part 13 and the second extruded part 14 extrude the herringbone elastic piece 2, so that the opening 25 of the herringbone elastic piece 2 Gather through the positioning hole 72, turn the eccentric shaft 3 in the opposite direction, and open the opening 25 of the herringbone shrapnel 2, so that the first claw hook 21 and the second claw hook 22 are respectively hooked on the positioning hole 71 . The eccentric rotating shaft 3 is a device for locking or releasing, and the operation is very simple.

Preferably, the universal mounting rod 6 and the universal connecting rod 7 are general aluminum profiles. Both the above-mentioned universal mounting rod 6 and the universal connecting rod 7 can be directly purchased from the market, of course. It can also be specially customized according to the shape and shape of the combined frame required, but all can be assembled through the hidden quick positioning lock head 5 of Embodiment 1, which is very simple.

Compared with the prior art, the hidden quick positioning lock head and the combined frame of the present invention have the following beneficial effects: twist the eccentric shaft, and the eccentric shaft drives the herringbone shrapnel to move in the housing, when the herringbone shrapnel moves to the housing When the first extrusion part and the second extrusion part on the inner wall correspond to the position, the first extrusion part and the second extrusion part squeeze the shrapnel, so that the opening of the herringbone shrapnel is closed, and the eccentric shaft is twisted in the opposite direction, and then The opening of the herringbone shrapnel can be opened; when assembling, first install the hidden quick positioning lock head in the cavity of the universal installation rod, and the end of the universal installation rod is engaged with the end of the universal installation rod Connect, turn the eccentric shaft, the opening of the herringbone shrapnel closes, the first hook and the second hook go through the positioning hole of the universal connecting rod, then turn the eccentric shaft in the opposite direction, the opening of the herringbone shrapnel opens at the same time Move back, the first claw hook and the second claw hook are tightly hooked on the positioning hole of the universal connecting rod, the connection is tight and firm, completely hidden installation, beautiful appearance, and easy to disassemble, and the universal mounting rod and universal mounting The rods are all standard parts with strong versatility.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting the protection scope of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand , the technical solution of the present invention may be modified or equivalently replaced without departing from the spirit and scope of the technical solution of the present invention.

Claims (8)

1. concealed quick positioning tapered end it is characterised in that:Including the housing of hollow, in described housing, it is equipped with herringbone bullet Piece, described herringbone shell fragment end is respectively equipped with the first claw hook and the second claw hook, and the side of described housing is respectively equipped with first and leads to Hole and the second through hole, described herringbone shell fragment relatively offer third through-hole and fourth hole, eccentrically weighted shaft sequentially passes through Described first through hole, described third through-hole, described fourth hole and described second through hole, one end of described housing is provided with installation Portion, described first claw hook and the second described claw hook hook respectively on described installation portion, and the inwall of described housing is respectively equipped with One press section and the second press section, rotating described eccentrically weighted shaft makes described herringbone shell fragment move in described housing, when described When first press section and described second press section extrude described herringbone shell fragment, draw at the opening of described herringbone shell fragment.

2. concealed quick positioning tapered end according to claim 1 it is characterised in that:Described eccentrically weighted shaft include rotating shaft, Eccentric boss and knob, in described rotating shaft, described knob is located at the end of described rotating shaft, described inclined for described bias boss Cardiac prominence platform is arranged at described third through-hole and described fourth hole.

3. concealed quick positioning tapered end according to claim 2 it is characterised in that:The other end of described rotating shaft is provided with ring Connected in star, is provided with banking stop in described annular groove.

4. concealed quick positioning tapered end according to claim 1 it is characterised in that:It is additionally provided with described herringbone shell fragment First groove and the second groove, described first press section is stuck in described first groove, and described second press section is stuck in described In two grooves.

5. concealed quick positioning tapered end according to claim 1 it is characterised in that:The top and bottom of described installation portion It is respectively equipped with the first installing hole and the second installing hole, described first installation in the hole is equipped with the first fixture, described second installation In the hole is provided with the second fixture.

6. combined frame, including several general installation members and several general connecting rods it is characterised in that:Described logical With passing through the concealed quick positioning tapered end described in any one of claim 1-5 between installation member and described general connecting rod Connect.

7. combined frame according to claim 6 it is characterised in that:It is provided with the type of hollow in described general installation member Chamber, the top surface of described die cavity and bottom surface are respectively equipped with the first draw-in groove and the second draw-in groove, and described concealed quick positioning tapered end is installed At described die cavity two ends and be fixed on described first draw-in groove and the second draw-in groove, the end sides of described general connecting rod are provided with The end clamping of location hole, the end of described general installation member and described general connecting rod, rotating eccentrically weighted shaft makes herringbone Shape shell fragment moves in housing, when the first press section on the inwall that herringbone shell fragment moves to housing and the second press section correspond to During position, the first press section and the second press section extrusion elastic are so that draw in through described positioning at the opening of herringbone shell fragment Hole, opposite direction turns eccentrically weighted shaft, opens so that the first claw hook and the second claw hook hook respectively at the opening making herringbone shell fragment On described location hole.

8. combined frame according to claim 6 it is characterised in that:Described general installation member and described general connection Rod member is general aluminium section bar.