CN217130040U - Hidden hasp of quick assembly disassembly - Google Patents

Abstract

The utility model provides a hidden hasp of quick assembly disassembly, relate to tool to lock technical field, it is including detaining the body and the connector, it includes the sleeve to detain the body, telescopic one end is connected with buckling part, buckling part includes a plurality of flexure strips that surround the setting along sleeve circumferencial direction, the flexure strip is kept away from sleeve one end and is connected with the fastening tooth, the flexure strip sets up towards sleeve axis slope, the connector is including the ejector pin that can extend to buckling part center, telescopic one end is kept away from to the ejector pin is provided with connecting portion, the same end of connecting buckling part on the sleeve still is connected with the supporting part, the supporting part includes a plurality of backing sheets that surround the setting along sleeve circumferencial direction, the backing sheet is kept away from sleeve one end and is connected with the piece that blocks, set up towards sleeve axis slope, the length of backing sheet is greater than the length of backing sheet, the complicated and the not pleasing to the eye problem of back furniture appearance after installing of the installation is complicated when the hasp among the prior art is used for connecting panel has been solved.

Description

Hidden hasp of quick assembly disassembly

Technical Field

The utility model belongs to the technical field of plate-type furniture connecting piece technique and specifically relates to a hidden hasp of quick assembly disassembly.

Background

With the development of furniture market, people have higher and higher aesthetic requirements on furniture. The furniture is formed by combining one wood board, in the connection process of the wood boards, the traditional mortise and tenon connection process is high in requirement, and for non-solid wood furniture, the mortise and tenon structure is difficult to process due to the fact that particles or multiple layers of wood materials are arranged inside the non-solid wood furniture, so that parts of the assembled furniture are flat plates one by one, and the assembled furniture is called as plate furniture. In order to reduce the content of harmful substances such as formaldehyde, the panel furniture is gradually abandoned to be connected by using glue in the process of connecting the panel furniture, but is connected by using a connecting piece, and the concealment of the connecting piece of the panel furniture directly determines the aesthetic property of the final integral furniture.

The connection of present plate fitment mainly adopts the trinity connecting piece of eccentric wheel + connecting rod + built-in fitting, and trinity connecting piece needs to use professional instrument to carry out burying of built-in fitting at the connection process, and the eccentric wheel still can expose in the outside, and is very pleasing to the eye, simultaneously, in the furniture installation, needs professional to use professional instrument to go on, can greatly increased cost of labor.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the utility model provides a hidden hasp of quick assembly disassembly aims at solving the hasp among the prior art and is difficult to carry out the problem of single face installation on panel.

In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows:

the utility model provides a hidden hasp of quick assembly disassembly, it includes matched with knot body and connector, wherein, the knot body includes the sleeve, telescopic one end is connected with clamping part, clamping part includes and surrounds a plurality of flexure strips that set up along sleeve circumferencial direction, the outside lateral buckling of sleeve one end is kept away from to the flexure strip is formed with the lock joint tooth, the flexure strip sets up towards sleeve axis slope, the connector is including the ejector pin that can insert in the clamping part, the one end that the ejector pin closes on the flexure strip is fixed with the top, and the other end is provided with connecting portion.

Furthermore, the same end of the sleeve, which is connected with the buckle part, is also connected with a supporting part, the supporting part comprises a plurality of supporting sheets which are arranged in a surrounding manner along the circumferential direction of the sleeve, the supporting sheets and the elastic sheets are arranged in a cross manner, one end of the supporting sheets, which is far away from the sleeve, is fixed with a blocking sheet, the supporting sheets are arranged in an inclined manner towards the axis of the sleeve, and the length of the elastic sheets is greater than that of the supporting sheets. When the connector is installed in the buckle body, the top head is located between the elastic sheet and the supporting sheet, and when the connector is separated from the buckle body, the blocking sheet on the supporting sheet can block the top head to block the top head, so that the connector is prevented from falling off from the buckle body.

Furthermore, one end of the sleeve, which is far away from the buckling part, is provided with a plurality of positioning sheets extending outwards in the radial direction. In the in-process of the installation knot body, need buckle the body embedding panel in, the spacer can play the effect of location to the degree of depth of buckle body embedding for the knot body can with panel parallel and level.

Furthermore, a protective shaft sleeve is sleeved on the ejector rod. In the process of installing the connector into the buckle body, scraping can be generated between the ejector rod and the sleeve, the ejector rod and the sleeve can be protected through the protection shaft sleeve, and the service life of the ejector rod and the sleeve is prolonged.

Furthermore, a plurality of strip-shaped grooves are formed in the protective shaft sleeve. After the connector was packed into in the buckle, the ejector pin can strut buckle portion to propping all around, and buckle portion can contract on the protection axle sleeve simultaneously, and the bar groove can increase the frictional force between buckle portion and the protection axle sleeve, prevents that the connector from droing from detaining the body.

Furthermore, the radius of the ejector head is larger than that of the ejector rod, and a step surface for the stop sheet to abut against is formed between the ejector head and the ejector rod. In the process of installing the connector into the buckle body, the ejector pin can make the ejector pin strut the buckling part more quickly, and simultaneously, because the radius of the ejector pin is greater than that of the ejector pin, the formed step surface is matched with the supporting part, and after the connector is successfully installed into the buckle body, the ejector pin can play a role of a buckle, so that the connector is more stable in connection with the buckle body.

Furthermore, the connecting part is in threaded connection with an expansion bolt, and the connecting body and the plate can be fixed more tightly and firmly through the expansion bolt; and a plurality of locked parts with threads can be connected through the expansion bolt, and the subsequent disassembly of the locked parts is also more convenient.

The utility model has the advantages that:

during respectively will detain body and connector pack into two blocks of panels that need to connect, insert the connector again and detain the body, prop open the flexure strip through the top on the connector, make in the embedding panel of lock joint tooth accomplish the fixed of knot body and panel, the top carries out the joint through blockking of supporting part on the connector simultaneously, realize detaining being connected of body and connector, thereby accomplish the connection of two panels, two fast boards of hasp connection through this scheme only need be to panel preprocessing hole before processing, the connection process is quick, and hookup location can shelter from each other after panel is connected, hole and hasp can not be seen from the outside, make furniture more pleasing to the eye, also more environmental protection, the content of harmful substance such as formaldehyde has been reduced.

Then the connecting body is arranged in the buckle body, in the process, the sleeve plays a role in guiding, so that the ejector rod can be accurately embedded into the buckle part, and in the process that the ejector rod is embedded into the buckle part, the ejector rod can prop the elastic sheet open to the periphery of the sleeve, so that the buckling teeth can be stably embedded into the plate; the ejector pin is kept away from telescopic one end and is provided with connecting portion, and is more convenient when can making this hasp buckle object through connecting portion, simultaneously, and is more convenient and quick at the in-process of dismantling object and hasp.

Drawings

Fig. 1 is a three-dimensional structure view of the quick-release concealed lock catch.

Fig. 2 is a structural view of the button body in fig. 1.

FIG. 3 is a structural view of the linker of FIG. 1.

Wherein, 1, the button body; 11. a sleeve; 12. a fastening part; 121. an elastic sheet; 122. buckling teeth; 13. a support portion; 131. a support sheet; 132. a blocking sheet; 14. positioning plates; 2. a linker; 21. a top rod; 22. a connecting portion; 23. a shaft sleeve; 231. a strip-shaped groove; 24. ejecting the head; 25. an expansion bolt; 251. a circular ring part; 252. an expansion section.

Detailed Description

For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the embodiments.

As shown in fig. 1 to 3, the quick-mounting/dismounting hidden latch includes a latch body 1 and a connector 2, which are matched with each other, the latch body 1 includes a sleeve 11, a latching portion 12 is fixed at one end of the sleeve 11, the latching portion 12 includes a plurality of elastic pieces 121 uniformly distributed along the circumferential direction of the sleeve 11, one end of the elastic piece 121, which is away from the sleeve 11, is bent outward to form a latch tooth 122, and one end of the elastic piece 121, which is provided with the latch tooth 122, is inclined toward the axial direction of the sleeve 11. The connector 2 includes a post rod 21 capable of being inserted into the fastening portion 12, wherein a head 24 is fixed at one end of the post rod 21 adjacent to the elastic piece 121, and a connecting portion 22 is fixed at the other end.

In this embodiment, the fastening teeth 122 are flanges extending outward along the radial direction of the sleeve 11, the flanges are configured to be triangular, when the supporting sheet 121 is expanded by the push rod 21, the fastening teeth 122 can be embedded into the sheet material, so that the fastening body 1 and the sheet material are connected more firmly.

The same end of the sleeve 11 connected to the snap-fit portion 12 is further fixed with a supporting portion 13, the supporting portion 13 includes a plurality of supporting pieces 131 uniformly distributed along the circumferential direction of the sleeve 11, the elastic pieces 121 and the supporting pieces 131 are arranged at intervals, in this embodiment, from the viewpoint of simplifying the structure of the snap-fit and reducing the volume of the snap-fit, preferably, the number of the supporting pieces 131 and the number of the elastic pieces 121 are two, and the two supporting pieces 131 and the two elastic pieces 121 are respectively arranged oppositely. The supporting piece 131 is connected to the end away from the sleeve 11 to form a blocking piece 132, the supporting piece 131 is inclined toward the axis of the sleeve 11, and the length of the elastic piece 121 is greater than that of the supporting piece 131. Through applying force to the ejector rod 21, after the ejector rod 21 is inserted into the buckling part 12, the ejection head 24 fixed at the end part of the ejector rod 21 stretches the buckling teeth 122, so that the buckling teeth 122 are embedded into the plates, at the moment, in the axial direction, the ejection head 24 is arranged between the buckling teeth 122 and the blocking piece 132, and through the abutting joint of the blocking piece 132 and the end part of the ejection head 24, the blocking piece 132 can play a role in blocking, so that the connecting body 2 can be prevented from being separated from the buckle body 1, and the reliability of connection of the two plates is improved.

One end that buckle portion 12 was kept away from to sleeve 11 is provided with a plurality of spacers 14, and spacers 14 inclines to the radial outside of sleeve 11, when going into buckle body 1 card in the hole of predetermineeing on the panel, can prevent to detain body 1 embedding too deeply through spacers 14 and the butt of predetermineeing the hole terminal surface, if detain body 1 embedding too deeply, when assembling another panel, because the butt of two panel terminal surfaces can lead to detaining body 1 and the unable lock joint of connector 2 to succeed.

The end surface of the end of the top head 24 of the connecting body 2 far away from the top rod 21 is provided with a cross-shaped groove for the rotation of a screwdriver. The radius of the top head 24 is larger than that of the mandril 21, and the buckling part 12 can be unfolded by depending on the outer side surface of the top head 24 in the process of installing the connecting body 2 into the buckle body 1; because the radius of top 24 is greater than the radius of ejector pin 21 for have between top 24 and the ejector pin 21 and supply the step face that blocks piece 132 butt, after connecting body 2 inserted into knot body 1, top 24 and the cooperation that blocks piece 132 can play the effect of buckle, make connecting body 2 and the connection of detaining body 1 more firm.

The connecting portion 22 is provided with an external thread for screwing with an expansion bolt 25. The expansion bolt 25 comprises a circular ring part 251 and an expansion part 252 fixed at one end of the circular ring part 251, wherein an external thread is processed on the expansion part 252, an internal thread matched with the connecting part 22 is processed on the inner wall of the circular ring part 251, and the internal thread extends to the middle part of the expansion part 252. Expansion portion 252 is evenly separated for a plurality of expansion pieces along the circumference, twists the back at connecting portion 22, and connecting portion 22 can strut the expansion piece for expansion portion 252 can cooperate inseparabler with the pore wall of predetermineeing of panel, thereby realizes being connected of connector 2 and another panel. The expansion bolt 25 is in threaded connection with the connecting part 22, so that the expansion bolts 25 with different sizes can be detachably mounted on the connecting part 22, and the practicability of the lock catch is improved; a plurality of screwed locked parts can also be connected by the expansion bolt 25, and the subsequent disassembly of the locked parts is also facilitated.

The middle part of the mandril 21 is sleeved with a protective shaft sleeve 23. The protection shaft sleeve 23 is arranged to be a conical body, one end close to the connecting portion 22 is a large-diameter end of the protection shaft sleeve 23, the protection shaft sleeve 23 is preferably made of vinyl chloride resin, scraping can be generated between the ejector rod 21 and the sleeve 11 in the process of installing the connecting body 2 into the buckle body 1, the effect of protecting the ejector rod 21 and the sleeve 11 can be achieved through the protection shaft sleeve 23, and the service life of the ejector rod 21 and the sleeve 11 is prolonged. Be provided with a plurality of bar grooves 231 on the protection axle sleeve 23, after the connector 2 inserted and detained in the body 1, ejector pin 21 can strut buckle portion 12 to all around, and buckle portion 12 can contract on protection axle sleeve 23 simultaneously, and bar groove 231 can increase the frictional force between buckle portion 12 and the protection axle sleeve 23, prevents that connector 2 from droing from detaining the body 1.

The utility model discloses a work flow does:

when two plates need to be connected, the buckle body 1 is arranged in a preset hole in one plate, the sleeve end 11 faces outwards, and the positioning piece 14 is clamped on the end face of the preset hole to position in the installation process, so that the buckle body 1 is prevented from being arranged too deeply; the connector 2 is packed into another panel, when the connector 2 is packed into, need at first with the inflation bolt 25 screw in the hole that predetermines on another panel, then with ejector pin 21 screw in inflation bolt 25 again, then hold the panel at connector 2 place, insert in the knot body 1 ejector pin 21 through exerting a great power, in this process, sleeve 11 plays the effect of direction, judge whether top 24 blocks into the terminal surface that blocks piece 132 and keep away from backing sheet 131 one end through the resistance size that returns, if the resistance is very big, then block into, accomplish the installation of two panels promptly.

It should be apparent to those skilled in the art that while the preferred embodiments of the present invention have been described, additional variations and modifications to these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the technical range equivalent to the machine of the claims, the present invention is also intended to include such modifications and variations.

Claims (7)

1. A quick-dismounting hidden lock catch is characterized by comprising a lock catch body (1) and a connecting body (2) which are matched with each other, wherein,

the buckle body (1) comprises a sleeve (11), one end of the sleeve (11) is connected with a buckle part (12), the buckle part (12) comprises a plurality of elastic pieces (121) which are arranged around the circumferential direction of the sleeve (11), one ends of the elastic pieces (121) far away from the sleeve (11) are bent towards the outer side to form buckle teeth (122), and the elastic pieces (121) are obliquely arranged towards the axis of the sleeve (11),

the connecting body (2) comprises an ejector rod (21) which can be inserted into the buckling part (12), an ejector head (24) is fixed at one end, close to the elastic piece (121), of the ejector rod (21), and a connecting part (22) is arranged at the other end of the ejector rod.

2. The hidden lock catch capable of being disassembled and assembled quickly as claimed in claim 1, wherein a supporting portion (13) is further connected to the same end of the sleeve (11) connected to the buckling portion (12), the supporting portion (13) comprises a plurality of supporting pieces (131) arranged around the sleeve (11) in the circumferential direction, the supporting pieces (131) and the elastic pieces (121) are arranged in a crossed manner, a blocking piece (132) is fixed to one end of the supporting pieces (131) far away from the sleeve (11), the supporting pieces (131) are arranged in an inclined manner towards the axis of the sleeve (11), and the length of the elastic pieces (121) is greater than that of the supporting pieces (131).

3. A snap-action hidden latch as claimed in claim 1, characterized in that the end of the sleeve (11) remote from the snap-in portion (12) is provided with a plurality of radially outwardly extending locating tabs (14).

4. A concealed snap close for quick release as claimed in claim 1, wherein said plunger (21) is sleeved with a protective sleeve (23).

5. A concealed snap close for quick release according to claim 4, wherein said protective sleeve (23) is provided with a plurality of grooves (231).

6. A quick release concealed latch according to claim 2, wherein the radius of said head (24) is larger than the radius of said carrier rod (21), and a step surface for said blocking piece (132) to abut against is formed between said head (24) and said carrier rod (21).

7. A quick release concealed latch according to claim 1, wherein an expansion bolt (25) is adjustably attached to said connecting portion (22).

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