CN209638178U - A kind of hidden connection mechanism - Google Patents

Abstract

The utility model relates to a kind of hidden connection mechanisms, including the first scarfing body, connecting rod, first scarfing body includes the first embedded block, first fastening block, first screw, first embedded block is equipped with the first recessed pockets, first guiding surface, plug-in opening, plug-in opening hole wall is equipped with the first barb, first fastening block is arranged in the first recessed pockets, first fastening block inner wall is tightly attached on the first guiding surface, first screw be set in first place on hole and with the first fastening block bolt, connecting rod one end is equipped with the second barb, connecting rod one end is inserted into plug-in opening, and set the second barb hook in the first barb.This bindiny mechanism fixes and connect to realize with fluking type locking mechanism using expansion is fixed, fastness is very high with reliability, it is not in the phenomenon that returning pine, fall off, crack, and after the bindiny mechanism uses, it is to hide between workpiece, do not show outside now, so do not interfere with the surface of product neatly with beauty.

Description

A kind of hidden connection mechanism

Technical field

The utility model relates to the assembly and connection fields between workpiece and workpiece, especially a kind of to be used for workpiece and workpiece The bindiny mechanism that assembly and connection one is reinstated.

Background technique

Currently, the assembly connection between workpiece and workpiece is fixed, substantially in the following way: the company of screw or bolt and nut It connects, the connection of glue bonding connection, mortise and tenon type.For example, wooden workpiece and wooden workpiece, generally use self-tapping screw to be fixed The phenomenon that connection, link position bursts, returns pine, loosens, be not connected firmly frequent occurrence, and screw terminal is now shown outside, is influenced To product it is clean and tidy with it is beautiful；It is attached alternatively, also generalling use Tenon between wooden workpiece and wooden workpiece, although without spiral shell Silk head is now shown the problem of outer, but its connection reliability is poor, is easy the phenomenon that returning pine, cracking.In another example metal works or modeling Expect workpiece, is fixedly connected using bolt and nut, although being connected firmly, bolt head and nut or bolt hole, nut The position in hole, be typically exposed to it is outer, influence product it is clean and tidy with it is beautiful；And it is generally necessary to which using two tools carries out both ends Operation, the efficiency of assembly and connection are lower.In another example also have and bonding connection is carried out using glue between workpiece and workpiece, this For kind mode when glue is unaged, the reliability of connection is feasible, but after longer using the time, glue is easy for occurring old Change, the connection between workpiece is easy for falling off, loosens, connects insecure phenomenon.

Thus, at this stage, assembly connection between workpiece and workpiece, there is also more deficiencies: be not connected firmly, Be easy to return pine, cracking, influence product appearance neatly with the deficiencies of beautiful, service life is shorter.So applicants contemplate that, ten Point necessity develop it is a kind of completely new, concealed, connect robust, will not influence product appearance neatly with it is beautiful, using the longevity Long bindiny mechanism is ordered, is linked and packed to meet workpiece and the workpiece of various products using needs.

Utility model content

Utility model aims to solve the above problems and deficiency, provide a kind of hidden connection mechanism, the connection Mechanism is fixed and is connect to realize with fluking type locking mechanism using expansion is fixed, and fastness is very high with reliability, will not go out The phenomenon that now returning pine, falling off, crack, and after bindiny mechanism utilization, it is to hide between workpiece, does not show outside now, and then not Influence the surface of product neatly with beauty；And have structure it is simple, it is easy to assembly it is quick, strong applicability, have a wide range of application The advantages that.

The technical solution of the utility model is achieved in that a kind of hidden connection mechanism, it is characterized in that including the One scarfing body, connecting rod, wherein the first scarfing body includes the first embedded block, the first fastening block, the first screw, wherein described Offering the first recessed pockets on first embedded block side, the slot bottom of first recessed pockets is equipped with the first guiding surface, and described the The top of one embedded block is equipped with and is through to the first of the first recessed pockets and places hole, is additionally provided with inserting at the top of the first embedded block Hole, the plug-in opening hole wall are equipped with several first barb, and make each first barb along the length of inserting centerline hole Direction is in be arranged side by side；First fastening block is arranged in the first recessed pockets, and the first fastening block outer wall is equipped with first Anti-skidding bump, the first fastening block inner wall are tightly attached on the first guiding surface；First screw is by the first limit Head, the first threaded rod are constituted, and first threaded rod one end is connected in the first spacing head, and the diameter of first spacing head is big In the diameter that the diameter that first places hole, the diameter of first threaded rod place hole less than first；First threaded rod is worn It sets and is placed on hole first, and make the first threaded rod and the first fastening block bolt, so that the first spacing head is located at first and be embedded in At the top of block, when screwing the first screw, to make the first fastening block under the guidance of the first guiding surface to the first recessed pockets It is mobile on the outside of notch；Described connecting rod one end outer wall is equipped with several second barb, and makes the second barb and the first barb Portion matches, and also makes each second barb along the length direction of connecting rod in being arranged side by side, described connecting rod one end is inserted into In plug-in opening, and set the second barb hook in the first barb；Second barb is in direction phase with the first barb Anti- setting.

To further increase the reliability and convenience that the connecting rod other end is connect with workpiece, outside the connecting rod other end Also there are several third barb on wall, and make each third barb along the length direction of connecting rod in being arranged side by side.

For the applicability for further increasing hidden connection mechanism, the hidden connection mechanism further includes the second interlocking Body, second scarfing body includes the second embedded block, the second fastening block, the second screw, on the second embedded block side The second recessed pockets are offered, the slot bottom of second recessed pockets is equipped with the second guiding surface, and the bottom of the second embedded block is set There is be through to the second recessed pockets second to place hole, second fastening block is arranged in the second recessed pockets, second tightening Block outer wall is equipped with the second anti-skidding bump, and the second fastening block inner wall is tightly attached on the second guiding surface, second tightening Screw is made of the second spacing head, the second threaded rod, and second threaded rod one end is connected in the second spacing head, and described second The diameter of spacing head is greater than the second diameter for placing hole, the diameter that the diameter of second threaded rod places hole less than second, institute It states the second threaded rod and is set in second and place on hole, and make the second threaded rod and the second fastening block bolt, also make the second limit Head is located at the second embedded block bottom, when screwing the second screw, to make the second fastening block in the guiding of the second guiding surface It is lower mobile to the second recessed pockets notch outside；The connecting rod other end is fixed on the bottom of the second embedded block.

For the convenience for further increasing connecting rod inserting, first barb is substituted with elastic limit block, the bullet Property limited block between two the second barb.

For the convenience for further increasing connecting rod installation, connecting rod other end end is equipped with fixinig plate, described Fixinig plate is equipped at least one perforation.

It is equipped with to further increase connecting rod installation fixed convenience and reliability, the connecting rod other end outer wall External screw thread.

To further increase the reliability that the first embedded block installation positions, third also is provided on the first embedded block outer wall Anti-skidding bump.

For the difficulty of processing that workpiece is hidden and reduced convenient for the first screw, described first places hole by macropore, aperture It constitutes, the macropore is provided at the top of the first embedded block, and the aperture is provided with macropore bottom hole, and it is recessed so that aperture is through to first Into on slot, first spacing head is arranged in macropore, and the diameter of first spacing head is greater than the diameter of aperture, and described first The diameter of threaded rod is less than the diameter of aperture.

To further increase the mobile Stability and dependability of the first fastening block, the first fastening block inner wall is equipped with and connects Inclined-plane is touched, and is tightly attached to contact inclined-plane on the first guiding surface.

The utility model has the beneficial effects that (1) by using by the first embedded block, the first fastening block, the first screw, The nested type expansion fixing mechanism and band barb is provided on the first embedded block that first recessed pockets, the first guiding surface are constituted Design has the structure of reversed barb on the plug-in opening and connecting rod in portion, in application, first in one of work of two workpiece One mounting hole is set on part, by expansion fixing mechanism in the hole, and is tightened by the first screw, is made first embedding Block and the first fastening block swelling are filled in the hole, and this expansion fixed form, is by the first screw around vertical rotation The coupling mechanism force turned is converted into laterally flared expansive force, realizes the steering of fixed strength, and then may insure to expand fixed machine Structure will not return pine or the unstable phenomenon of tightening, can effectively guarantee the fastness of its tightening in mounting hole with can By property；One end of connecting rod is fixedly connected on another workpiece of two workpiece, and the other end of the connecting rod inserts embedding into first In the plug-in opening for filling block, the barb in plug-in opening is mutually twisted together with the reversed barb in connecting rod, realizes locking Purpose, and since the barb in the barb and connecting rod in plug-in opening is designed in contrary structure, so that even Extension bar can not exit once being inserted into plug-in opening, and only can be more more slotting tighter, more more slotting more secured, because without returning Pine, the phenomenon that falling off.(2) after connecting two workpiece using the bindiny mechanism of the utility model, entire bindiny mechanism is complete It is placed among two workpiece, the concealment for not having any position now to show outside, and then can effectively ensuring to connect will not be to product The clean and tidy, beautiful of surface impacts.(3) expansion fixing mechanism and connecting rod are the assembly and connections of direct plug-in, without making Specialist tools are used, are assembled quick and easy, efficient.(4) mechanism of the utility model, can be widely applied to wooden workpiece, Assembly and connection between metal works, non-metal workpiece also can be applied to the group load between wooden workpiece and metal works It connects or the assembly and connection between the assembly and connection between non-metal workpiece and metal works, wooden workpiece and non-metal workpiece, Have many advantages, such as structure it is simple, it is easy to assembly it is quick, strong applicability, have a wide range of application.

Detailed description of the invention

Fig. 1 is the schematic perspective view of scheme one in the utility model.

Fig. 2 is the fractionation structural representation of scheme one in the utility model.

Fig. 3 is the enlarged structure schematic diagram of part A in the utility model Fig. 2.

Fig. 4 is the structural schematic diagram of the design scheme one of the first embedded block in the utility model.

Fig. 5 is the structural schematic diagram of the first fastening block in the utility model.

Fig. 6 is the structural schematic diagram of the design scheme one of connecting rod in the utility model.

Fig. 7 is the schematic cross-sectional view of scheme two in the utility model.

Fig. 8 is the fractionation structural representation of scheme two in the utility model.

Fig. 9 is the structural schematic diagram of the design scheme two of the first embedded block in the utility model.

Figure 10 is the structural schematic diagram of the design scheme two of connecting rod in the utility model.

Figure 11 is the schematic perspective view of scheme three in the utility model.

Figure 12 is the structural schematic diagram of the design scheme three of connecting rod in the utility model.

Figure 13 is the structural schematic diagram of the design scheme four of connecting rod in the utility model.

Figure 14 is the schematic perspective view of scheme four in the utility model.

Figure 15 is the fractionation structural representation of scheme four in the utility model.

Figure 16 is one of the application decomposition status diagram of hidden connection mechanism in the utility model.

Figure 17 is two of the application decomposition status diagram of hidden connection mechanism in the utility model.

Specific embodiment

As shown in Figure 1, a kind of hidden connection mechanism described in the utility model, including the first scarfing body 1, connecting rod 2, Wherein, as shown in Fig. 2 and Fig. 4, first scarfing body 1 includes the first embedded block 11, the first fastening block 12, the first screw 13；As shown in Fig. 2 and Fig. 4, the first recessed pockets 111, first recessed pockets 111 are offered on first embedded 11 side of block Slot bottom be equipped with the first guiding surface 112, the top of the first embedded block 11 is equipped with and is through to the first of the first recessed pockets 111 Place hole 113, the top of the first embedded block 11 is additionally provided with plug-in opening 114, and 114 hole wall of plug-in opening is equipped with several the One barb 115, and make each first barb 115 along the length direction of 114 center line of plug-in opening in being arranged side by side；Such as Fig. 2 With shown in Fig. 5, first fastening block 12 is arranged in the first recessed pockets 111, and 12 outer wall of the first fastening block is equipped with the One anti-skidding bump 121,12 inner wall of the first fastening block are tightly attached on the first guiding surface 112；As shown in Figures 1 and 2, institute It states the first screw 13 to be made of the first spacing head 131, the first threaded rod 132,132 one end of the first threaded rod connection In the first spacing head 131, the diameter of first spacing head 131 is greater than the first diameter for placing hole 113, first spiral shell The diameter that the diameter of rasp bar 132 places hole 113 less than first；As shown in Fig. 1 and Fig. 2, first threaded rod 132 is set in First places on hole 113, and makes 12 bolt of the first threaded rod 132 and the first fastening block, and the first spacing head 131 is also made to be located at the One embedded 11 top of block, when screwing the first screw 13, to make the first fastening block 12 in the guidance of the first guiding surface 112 It is lower mobile to 111 notch of the first recessed pockets outside；As shown in Fig. 2 and Fig. 6,2 one end outer wall of connecting rod is equipped with several the Two barb 21, and the second barb 21 is made to match with the first barb 115 also make each second barb 21 along connecting rod 2 length direction is in be arranged side by side；As shown in Figures 1 and 2, described 2 one end of connecting rod is inserted into plug-in opening 114, and makes Two barb, 21 hook is set in the first barb 115, and second barb 21 is set with the first barb 115 in contrary It sets.Since the hidden connection mechanism includes the first scarfing body 1 and connecting rod 2, and on the first scarfing body 1, by screwing the One screw 13 can make the first fastening block 12 under the guidance of the first guiding surface 112 on the outside of 111 notch of the first recessed pockets It is mobile, it so that the first scarfing body 1 is realized that expansion fixed function, the fixed form are very firm.Due to being set in connecting rod 2 Have several second barb 21, the first embedded block 11 plug-in opening 114 in be equipped with several first barb 115, and the first barb Portion 115 matches with the second barb 21, in this way after connecting rod 2 is inserted into plug-in opening 114, passes through the first barb 115 With the mutual effect of the second barb 21, it can be effectively prevented the case where connecting rod 2 loosens, the connection type is very Firm, the reliability of the hidden connection mechanism is very high.By the way that upper first anti-skidding bump is arranged on the first fastening block 12 121, the first reliability for pressing the installation positioning of block 12 can be further increased, so as to effectively improve the first scarfing body 1 peace Fixed fastness and reliability are filled, the first scarfing body 1 is avoided the case where loose or dislocation occur.Due to the concealed connection machine Structure can be realized expansion and fix, and the hidden connection mechanism is applicable on the workpiece being made of profile or timber etc. in this way, should The applicability of hidden connection mechanism is very strong.Since the hidden connection mechanism uses connecting rod 2 and the first scarfing body 1 Composite structure, and the first scarfing body 1 can be installed using the mode of being embedded in, in this way after the first scarfing body 1 is completed to be embedded in and be fixed, energy It is stashed well；Along with connecting rod 2 is in the plug-in opening 114 being inserted on the first embedded block 11, this also can Realize hiding for connecting rod 2, this is avoided that the aesthetics connected between workpiece is affected with class.

Wherein, the side of the first embedded block 11 of above-mentioned meaning is limited the use of the first embedded block 11 with top It is fixed, but the first embedded block 11 is under state shown in view, the relative positional relationship of each section on the first embedded block 11, no It is that the state installed and used to the first embedded block 11 limits, when in use, first embedded 11 orientation of block that can turn round uses.

First screw 13 uses slotted cheese head screw, slotted pan head screw, slotted countersunk flat head screw, interior hexagonal Fillister head screw, the flat cheese head screw of interior hexagonal or hexagon socket countersunk flat cap head screw.

Distance first places the remoter point in 113 aperture of hole on the first guiding surface 112, and distance first places hole 113 The distance of center line is also remoter；It, will be in the first guiding in this way when the first fastening block 12 moves closer to first and places hole 113 To movement on the outside of 111 notch of the first recessed pockets under the guidance on inclined-plane 112.

The connecting rod 2 is with the second barb 21 thereon by having the plastics of certain elasticity or rubber to be made；In order to Connecting rod 2 can be inserted into plug-in opening 114, and form the effect connected well.The first embedded block 11 and first is tight Determine block 12 plastics, rubber or metal can be used to be made.

When the hidden connection mechanism is for connecting two workpiece, the first scarfing body 1 is respectively set with connecting rod 2 On the interface of two workpiece；Particularly: the first scarfing body 1 being inlaid on one of workpiece and using expansion lock Fixed, the other end of the connecting rod 2 is fixed on another workpiece；It is inserted into 2 one end of connecting rod in plug-in opening 114, 21 hook of the second barb can be made to set in the first barb 115 simultaneously, connecting rod 2 can be connect by this with the first scarfing body 1 Together, to can reliably connect two workpiece, this also can well hide hidden connection mechanism well Between two workpiece, this helps to improve the aesthetics and class connected between workpiece.

On the basis of above-mentioned, to further increase the reliability and convenience that the connecting rod other end is connect with workpiece, such as Shown in Figure 11 and Figure 12, also there are several third barb 22 on 2 other end outer wall of connecting rod, and make each third barb 22 Length direction along connecting rod 2 is in be arranged side by side.When manufacturing workpiece, can be opened up out on workpiece another for connecting rod 2 Plug-in opening is held, and is equipped with several barb on 114 hole wall of plug-in opening, and make the barb and 22 phase of third barb Match, also makes each barb along the length direction of inserting centerline hole in being arranged side by side.In this way by 2 other end of connecting rod The reliability connected between 2 other end of connecting rod and corresponding workpiece and convenience can be improved in third barb 22 in setting.Such as Shown in Figure 13, several second barb 21 can be made respectively at 2 both ends of connecting rod；It is fallen when 2 both ends of connecting rod all have second When hook portion 21,2 both ends of connecting rod can be inserted into the plug-in opening 114 on two the first scarfing bodies 1 respectively, connected in this way 2 both ends of bar can realize expansion fixed function.

As shown in Fig. 2, Fig. 3, Fig. 6, Figure 10, Figure 12 and Figure 13, first barb 115, the second barb 21 and The section of three barb 22 is trapezoidal or triangle.As shown in Figure 2 and Figure 3, both direction is opposite in first barb 115 Surface on be respectively equipped with the first lead-in chamfered 103, the first confined planes 104, first lead-in chamfered 103 and plug-in opening 114 Center line be in interlaced arrangement, center line of first confined planes 104 perpendicular to plug-in opening 114.As shown in fig. 6, described It is respectively equipped with the second lead-in chamfered 201, the second confined planes 202 in two barb 21 on the opposite surface of both direction, described The center line of two lead-in chamfereds 201 and connecting rod 2 is in interlaced arrangement, and second confined planes 202 are perpendicular in connecting rod 2 Heart line.The third barb 22 is in bulge loop structure, and it is oblique to be respectively equipped with third guidance in 22 both ends end face of third barb The center line of face, third confined planes, the third lead-in chamfered and connecting rod 2 is in interlaced arrangement, and the third confined planes are vertical In the center line of connecting rod 2.

On the basis of above-mentioned, for the applicability for further increasing hidden connection mechanism, as shown in Figure 14 and Figure 15, The hidden connection mechanism further includes the second scarfing body 3, and second scarfing body 3 includes the second embedded block 31, the second tightening Block 32, the second screw 33 offer the second recessed pockets 311, second recessed pockets on second embedded 31 side of block 311 slot bottom is equipped with the second guiding surface 312, and the bottom of the second embedded block 31, which is equipped with, is through to the second recessed pockets 311 Second places hole 313, and second fastening block 32 is arranged in the second recessed pockets 311, and 32 outer wall of the second fastening block is equipped with Second anti-skidding bump 321,32 inner wall of the second fastening block are tightly attached on the second guiding surface 312, second clamp screw Silk 33 is made of the second spacing head 331, the second threaded rod 332, and described second threaded rod, 332 one end is connected to the second spacing head On 331, the diameter of second spacing head 331 is greater than the second diameter for placing hole 313, the diameter of second threaded rod 332 The diameter for placing hole 313 less than second, second threaded rod 332 is set in second and places on hole 313, and makes the second threaded rod 332 and 32 bolt of the second fastening block, so that the second spacing head 331 is located at the second embedded 31 bottom of block, also with to screw second tight When determining screw 33, make the second fastening block 32 sidesway to outside 311 notch of the second recessed pockets under the guiding of the second guiding surface 312 It is dynamic；2 other end of connecting rod is fixed on the bottom of the second embedded block 31.Wherein the first scarfing body 1 and the second scarfing body 3 all may be used It is installed on workpiece in a manner of using being embedded in；In this way when using the hidden connection mechanism, can by the first scarfing body 1 with Second scarfing body 3 is inlaid in two respectively and needs on the workpiece connected and lock, and connecting rod 2 is then made to be inserted in plug-in opening 114 In, fast and effeciently two workpiece can be connected, and the reliability connected is very high, this helps to further increase hidden The applicability of concealed bindiny mechanism.Welding can be used in the connecting rod 2 or the mode of bonding is fixed on the second embedded block 31, or Person comes out connecting rod 2 and the second embedded integrated molding of block 31.

Wherein, the side of the second embedded block 31 described above is limited the use of the second embedded block 31 with bottom It is fixed, but the second embedded block 31 is under state shown in view, the relative positional relationship of each section on the second embedded block 31, no It is that the state installed and used to the second embedded block 31 limits, when in use, second embedded 31 orientation of block that can turn round uses.

The assembling mode of the second embedded block 31, the second fastening block 32 and the second screw 33 can be used above-mentioned Identical assembling mode is assembled between two embedded blocks 31, the first fastening block 12 and the first screw 13.

Second screw 33 is slotted cheese head screw, slotted pan head screw, slotted countersunk flat head screw, interior hexagonal circle Chapiter screw, the flat cheese head screw of interior hexagonal or hexagon socket countersunk flat cap head screw.

Distance second places the remoter point in 313 aperture of hole on the second guiding surface 312, and distance second places hole 313 The distance of center line is also remoter；It, will be in the second guiding in this way when the second fastening block 32 moves closer to second and places hole 313 To movement on the outside of 311 notch of the second recessed pockets under the guidance on inclined-plane 312.

On the basis of above-mentioned, for the convenience for further increasing connecting rod inserting, as shown in Fig. 7 to Fig. 9, described the One barb 115 is substituted with elastic limit block 116, and the elastic limit block 116 is between two the second barb 21.It is logical The convenience of the inserting of connecting rod 2 and the reliability of the installation positioning of connecting rod 2 can be improved in the setting for crossing elastic limit block 116. As shown in Fig. 7, Fig. 8 and Figure 10, when using elastic limit block 116, the second barb 21 can be made into bulge loop structure, this Two barb, 21 end face has inclined-plane, in order to the second barb 21 can smoothly enter first place in hole 113 and with Elastic limit block 116 cooperates.

As shown in Fig. 8 and Fig. 9, the elastic limit block 116 is in short strip shape structure, and the elastic limit block 116 is inserted relatively The inclined arrangement of inner wall in hole 114 is filled, and is fixed on 116 one end of elastic limit block on 114 inner wall of plug-in opening.

On the basis of above-mentioned, for the convenience for further increasing connecting rod installation, as shown in Fig. 1 and Fig. 2, the company 2 other end end of extension bar is equipped with fixinig plate 23, and the fixinig plate 23 is equipped at least one perforation 231.Pass through fixinig plate 23 Setting, and open up out on fixinig plate 23 and to perforate 231, perforation 231 can be passed through by screw and be locked on workpiece, this can be convenient for The fixation of connecting rod 2.

On the basis of above-mentioned, to further increase connecting rod installation fixed convenience and reliability, such as Fig. 6, Figure 10 Shown, 2 other end outer wall of connecting rod is equipped with external screw thread 24.It, can be straight by external screw thread 24 by the setting of external screw thread 24 It connects and connecting rod 2 is fixed on workpiece, help to improve connecting rod 2 and fixed convenience and reliability are installed.The external screw thread 24 It is attached on thicker workpiece.

In practical manufacturing process, the connecting rod be can be used such as flowering structure: 2 other end of connecting rod is equipped with limit Bulge loop；It needs to open up out through-hole on the workpiece connected before use, may be implemented in connecting rod 2；In connecting rod 2 in use, can make Connecting rod 2 is set on through-hole, is pressed on position limiting convex ring at through-hole aperture, be can be achieved with connecting rod 2 in this way and is needed to connect The assembling of the workpiece connect.Counter sink can be used in the through-hole, and the position limiting convex ring is located in the counter sink, in this way can be to avoid limit Position protrusion and connecting rod 2 protrude from the surface for needing to connect, and help to ensure that the aesthetics and class of workpiece in this way.

On the basis of above-mentioned, to further increase the reliability that the first embedded block installation positions, such as Fig. 2 to Fig. 4, Fig. 7 To shown in Fig. 9, the anti-skidding bump 14 of third also is provided on first embedded 11 outer wall of block.Pass through the anti-skidding bump 14 of third The reliability of the first embedded installation of block 11 positioning can be improved, to help to improve the reliability connected between workpiece in setting.

On the basis of above-mentioned, for convenient for the first screw hide and reduce workpiece difficulty of processing, as Fig. 2, Fig. 7 with Shown in Fig. 8, described first places hole 113 is made of macropore 101, aperture 102, and the macropore 101 is provided with the first embedded block 11 Top, the aperture 102 are provided with 101 bottom hole of macropore, and are through to aperture 102 in first recessed pockets 111, first limit Potential head 131 is arranged in macropore 101, and the diameter of first spacing head 131 is greater than the diameter of aperture 102, first screw thread The diameter of bar 132 is less than the diameter of aperture 102.It designs through this structure, convenient for the first threaded rod 132 is hidden in On one embedded block 11, in this way when the first embedded block 11 is on workpiece, this is just avoided that the first screw 13 protrudes from On workpiece, in this way without opening up out the cavity groove for 13 Zang Na of the first screw on another workpiece to connect with it, thus Facilitate the difficulty of processing of reduction workpiece.

On the basis of above-mentioned, to further increase the mobile Stability and dependability of the first fastening block, as shown in Figure 1, Figure 2 with Shown in Fig. 5,12 inner wall of the first fastening block is equipped with contact inclined-plane 122, and it is oblique so that contact inclined-plane 122 is tightly attached to the first guiding On face 112.By contacting the setting on inclined-plane 122, and it is tightly attached to contact inclined-plane 122 on first guiding surface 112, this can be mentioned The mobile Stability and dependability of high first fastening block 12.

As shown in Figure 14 and Figure 15, the first embedded block 11 can be made into cylindrical-shaped structure, and first fastening block 12 can It is made into sector structure.Wherein, the first embedded block 11 and the first fastening block 12 also can be used such as flowering structure: the first embedded block 11 Can also rectangular body structure, first fastening block 12 can be made into prismatoid structure.

As shown in figure 11, the first recessed pockets can be opened up out respectively on two opposite outer surfaces on the first embedded block 11 111, and opened up out respectively at 11 top of the first embedded block and be through to the first of the first recessed pockets 111 and place hole 113, Yi Ji It is respectively arranged the first fastening block 12 in two the first recessed pockets 111, finally places at two first and is placed respectively in hole 113 First screw 13, and it is screwed onto the first screw 13 on corresponding first fastening block 12.Screwing two tightly in this way When determining screw 13, two the first fastening blocks 12 can be made to divide mobile to the first embedded 11 two sides of block.When the first embedded block 11 is embedded in After the cavity groove on workpiece, effect ground fixed function could be formed with by two the first fastening blocks 12, thus securely by the One scarfing body 1 is fixed on workpiece.

As shown in figure 16, when the hidden connection mechanism needs to connect for the plate 100 of thinner thickness and other workpiece 200 When connecing, it can be realized on 100 surface of plate and install cylinder 200, and by the first embedded block 11 flush-mounted in cylinder 200 In inner hole and lock；Then the second scarfing body 3 is inlaid on workpiece 200 and is locked；Finally make to connect with the second scarfing body 3 Connecting rod 2 is inserted into the plug-in opening 114 on the first embedded block 11, and sets 21 hook of the second barb in the first barb On 115, effectively workpiece 200 and plate 100 effectively can be connected.During actual assembled, can not be used Two scarfing bodies 3, and it is directly anchored to 2 other end of connecting rod on workpiece 200, then connecting rod 2 is made to be inserted into the first embedded block 11 On plug-in opening 114 in, and set 21 hook of the second barb in the first barb 115, equally can be effectively by workpiece 200 It is effectively connected with plate 100.

It as shown in figure 17, can be when the hidden connection mechanism is needed for when connecting the two thicker plate 100 of thickness Embedding slot 110 is opened up out respectively on two 100 surfaces of plate, is then inlaid in the first scarfing body 1 and the second scarfing body 3 respectively In the embedding slot 110 of two plate 100 and lock；Finally make the connecting rod 2 to connect with the second scarfing body 3 be inserted into first to be embedded in In plug-in opening 114 on block 11, and set 21 hook of the second barb in the first barb 115, it can be effectively by two Plate 100 effectively connects.During actual assembled, the second scarfing body 3 can not be used, and keeps the first scarfing body 1 embedding It is installed therein in the embedding slot 110 of a plate 100, and is directly anchored to 2 other end of connecting rod on another plate 100, It is inserted into connecting rod 2 in the plug-in opening 114 on first embedded block 11, and sets 21 hook of the second barb first In barb 115, equally effectively two plates 100 effectively can be connected.

Claims (9)

1. a kind of hidden connection mechanism, it is characterised in that: including the first scarfing body (1), connecting rod (2), wherein the first interlocking Body (1) includes the first embedded block (11), the first fastening block (12), the first screw (13), wherein

It is offered the first recessed pockets (111) on first embedded block (11) side, the slot bottom of first recessed pockets (111) is set Have the first guiding surface (112), the top of the first embedded block (11), which is equipped with, to be through to the first of the first recessed pockets (111) and wear It sets hole (113), is additionally provided with plug-in opening (114) at the top of the first embedded block (11), plug-in opening (114) hole wall is equipped with Several first barb (115), and make each first barb (115) along the length direction of plug-in opening (114) center line in simultaneously Arrangement is set；First fastening block (12) is arranged in the first recessed pockets (111), and the first fastening block (12) outer wall is equipped with First anti-skidding bump (121), the first fastening block (12) inner wall are tightly attached on the first guiding surface (112)；

First screw (13) is made of the first spacing head (131), the first threaded rod (132), first threaded rod (132) one end is connected on the first spacing head (131), and the diameter of first spacing head (131) is greater than first and places hole (113) Diameter, the diameter that the diameter of first threaded rod (132) places hole (113) less than first；

First threaded rod (132) is set in first and places on hole (113), and makes the first threaded rod (132) and the first tightening Block (12) bolt is located at the first spacing head (131) at the top of the first embedded block (11), to screw the first screw (13) when, make the first fastening block (12) under the guidance of the first guiding surface (112) to the outer sidesway of the first recessed pockets (111) notch It is dynamic；

Connecting rod (2) one end outer wall is equipped with several second barb (21), and the second barb (21) is made to fall with first Hook portion (115) matches, and also makes each second barb (21) along the length direction of connecting rod (2) in being arranged side by side, the company Extension bar (2) one end is inserted into plug-in opening (114), and sets the second barb (21) hook on the first barb (115)；It is described Second barb (21) and the first barb (115) are in contrary setting.

2. hidden connection mechanism according to claim 1, it is characterised in that: on connecting rod (2) other end outer wall There are several third barb (22), and makes each third barb (22) along the length direction of connecting rod (2) in being arranged side by side.

3. hidden connection mechanism according to claim 1, it is characterised in that: it further include the second scarfing body (3), described second Scarfing body (3) includes the second embedded block (31), the second fastening block (32), the second screw (33), wherein

It is offered the second recessed pockets (311) on second embedded block (31) side, the slot bottom of second recessed pockets (311) is set Have the second guiding surface (312), the bottom of the second embedded block (31), which is equipped with, to be through to the second of the second recessed pockets (311) and wear Set hole (313)；

Second fastening block (32) is arranged in the second recessed pockets (311), and the second fastening block (32) outer wall is equipped with second Anti-skidding bump (321), the second fastening block (32) inner wall are tightly attached on the second guiding surface (312)；

Second screw (33) is made of the second spacing head (331), the second threaded rod (332), second threaded rod (332) one end is connected on the second spacing head (331), and the diameter of second spacing head (331) is greater than second and places hole (313) Diameter, the diameter that the diameter of second threaded rod (332) places hole (313) less than second；

Second threaded rod (332) is set in second and places on hole (313), and makes the second threaded rod (332) and the second tightening Block (32) bolt makes the second spacing head (331) to be located at the second embedded block (31) bottom, also to screw the second screw (33) when, make the second fastening block (32) under the guiding of the second guiding surface (312) to the outer sidesway of the second recessed pockets (311) notch It is dynamic；

Connecting rod (2) other end is fixed on the bottom of the second embedded block (31).

4. according to claim 1 or 2 or 3 hidden connection mechanisms, it is characterised in that: first barb (115) is used Elastic limit block (116) substitution, the elastic limit block (116) is between two the second barb (21).

5. hidden connection mechanism according to claim 1, it is characterised in that: set on connecting rod (2) other end end Have fixinig plate (23), the fixinig plate (23) is equipped at least one perforation (231).

6. hidden connection mechanism according to claim 1, it is characterised in that: set on connecting rod (2) other end outer wall There are external screw thread (24).

7. hidden connection mechanism according to claim 1, it is characterised in that: also set on first embedded block (11) outer wall There is the anti-skidding bump of third (14).

8. hidden connection mechanism according to claim 1, it is characterised in that: described first places hole (113) by macropore (101), aperture (102) is constituted, and the macropore (101) is provided at the top of the first embedded block (11), and the aperture (102) is provided with Macropore (101) bottom hole, and it is through to aperture (102) on the first recessed pockets (111), first spacing head (131) is arranged in In macropore (101), the diameter of first spacing head (131) is greater than the diameter of aperture (102), first threaded rod (132) Diameter be less than aperture (102) diameter.

9. hidden connection mechanism according to claim 1, it is characterised in that: the first fastening block (12) inner wall is equipped with It contacts inclined-plane (122), and is tightly attached to contact inclined-plane (122) on the first guiding surface (112).