Pull rod lock tenon connecting piece

Abstract

The utility model discloses a pull rod lock tenon connecting piece, which relates to the field of furniture installation design, and comprises a plurality of lock sleeves which are sequentially distributed at intervals along the length direction of a first installation piece, and the lock sleeves are fixed in installation grooves of the first installation piece; each lock sleeve is provided with a lock tenon, and the lock tenons can slide in the arrangement direction of the lock sleeves. A through special-shaped hole is formed in the middle of the lock tenon; the lock rods are sequentially distributed at intervals in the length direction of the second mounting part, and the lock rods and the lock sleeves are in one-to-one correspondence; the part, which is not covered by the lock sleeve, of the lock rod is provided with a reducing section; the pull rod is connected with the outermost lock tenon, and a transmission rod is connected between every two adjacent lock tenons. By the adoption of the scheme, the connecting pieces can be hidden inside, seamless splicing is achieved, and through the clamping mode of the special-shaped holes and the reducing sections, the connecting structure is stable, the installation speed is high, disassembly is easy, and the connecting structure can be suitable for connection of various complex structures.

Description

Technical Field

[0001] The utility model relates to the field of furniture installation design, in particular to a pull rod lock tenon connector. Background Art

[0002] During the connection process of some current panel furniture, the connecting parts are usually knocked directly into the cabinet board, so there is no locking function, or slots and holes are firstly made at the connection position, and the connection is achieved by slotted embedding.

[0003] The above scheme is not only difficult to process the cabinet during on-site construction, but also requires high processing precision, and the connector has no tightening function. During construction, grooves need to be cut and mortises need to be left, and the reciprocating work of the machine has low processing efficiency. In addition, during installation, a large external force is needed to fix the connector or a large installation working space is required, which makes it impossible to work alone and can only be achieved through horizontal assembly operations. The installation is extremely inconvenient; when applied to certain specific complex structures, such as the connection between vertical and horizontal boards, it is also necessary to wedge the connector in an offset manner and then move the board to lock the tenon. The back of the cabinet can only be covered from the outside and cannot be embedded, which further reduces the processing efficiency, and the leakage of the connector will also affect the overall appearance of the furniture. Utility Model Content

[0004] The utility model aims to solve the deficiencies of the prior art and to provide a pull rod lock tenon connector. By adopting this solution, the connector can be hidden inside to achieve seamless splicing, and through the snap-fitting method of the special-shaped hole and the reduced diameter section, the connection structure is stable, the installation speed is fast, and it is easy to disassemble, and it can be applied to the connection of various complex structures.

[0005] The utility model is realized by the following technical solutions:

[0006] A pull rod lock tenon connector, comprising:

[0007] A plurality of locking sleeves are sequentially spaced and distributed along the length direction of the first mounting member, and the locking sleeves are fixed in the mounting groove of the first mounting member; each of the locking sleeves is provided with a locking tenon, and the locking tenon can slide along the arrangement direction of the plurality of locking sleeves; the locking tenon has a through-shaped hole in the middle, and the shaped hole includes a circular hole and a long hole connected to the end of the circular hole;

[0008] A plurality of locking rods are sequentially spaced and distributed along the length direction of the second mounting member, the plurality of locking rods correspond to the plurality of locking sleeves one by one, and the locking rods are used for plug-in connection with the locking sleeves; the portion of the locking rods not covered by the locking sleeves has a reduced diameter section;

[0009] The diameter of the circular hole is larger than the diameter of the locking rod, the width of the elongated hole is larger than the diameter of the reduced diameter section and smaller than the diameter of the locking rod, and the elongated hole is used to clamp the reduced diameter section therein;

[0010] A pull rod is connected to an outermost locking tenon, and transmission rods are connected between adjacent locking tenons.

[0011] Compared with the prior art, not only is the processing difficulty of the cabinet greater, the processing precision is high, and the reciprocating processing efficiency of the machine is low, but also a large external force is needed to fix the connecting parts during installation or a large installation working space is required, which makes it impossible for one person to work alone. When applied to certain specific complex structures, such as the connection between vertical boards and horizontal boards, it is also necessary to wedge the connecting parts in an offset manner and then move the board to lock the tenon. The back of the cabinet can only be covered externally and cannot be embedded, which further reduces the processing efficiency. The leakage of the connecting parts will also affect the overall appearance of the furniture. The utility model provides a pull rod lock tenon connector. By adopting this solution, the connecting parts can be hidden inside to achieve seamless splicing. Through the snap-fitting method of special-shaped holes and reduced diameter sections, the connection structure is stable, the installation speed is fast, and it is easy to disassemble, and it can be applied to the connection of various complex structures. In a specific scheme, a plurality of locking sleeves are arranged on a first mounting member, and a plurality of locking rods are arranged on a second mounting member, wherein the mounting groove on the first mounting member is prefabricated in advance in the factory, and during on-site installation, a plurality of locking sleeves are sequentially fixed in the mounting groove at intervals, and a plurality of locking rods are sequentially fixed on the second mounting member at intervals, and the spacing between the locking rods and the spacing between the locking sleeves is the same; subsequently, a pull rod is installed on the first mounting member, and a locking tenon is installed on each locking sleeve, at which time the locking tenon can slide along the arrangement direction of the plurality of locking sleeves, a transmission rod is arranged between adjacent locking tenons, and the pull rod is connected to an outermost locking tenon, in this way, by applying force to the pull rod, a plurality of locking tenons can be simultaneously driven to move in one direction; after the installation of the above-mentioned parts is completed, the mounting surface of the second mounting member can be seamlessly fitted on the mounting groove of the first mounting member, at which time the locking rod is sequentially inserted into the special-shaped hole of the locking tenon and the locking sleeve, and the lateral displacement of the first mounting member is limited by the locking sleeve for preliminary positioning, at which time the reduced diameter section is just located at the circular hole position of the special-shaped hole and is exposed to the outside by the locking sleeve; in this way, by applying force to the pull rod, By driving a plurality of locking tenons to move in one direction, that is, the circular hole moves away from the elongated hole, the reduced diameter section can be gradually inserted into the elongated hole position from the circular hole position. Since the width of the elongated hole is greater than the diameter of the reduced diameter section and smaller than the diameter of the locking rod, and the thickness of the elongated hole is slightly smaller than the length of the reduced diameter section, the elongated hole can insert the reduced diameter section therein, thereby limiting the axial displacement of the locking rod. At this time, the lateral displacement and axial displacement of the locking rod are both fixed, thereby realizing the rapid fixation between the first mounting member and the second mounting member. In the above scheme, the connecting members are all hidden inside and are firmly connected, so that there are no holes and no exposed connecting accessories on the inner wall of the furniture cabinet, which will not scratch the stored items and further improve the overall quality of the furniture. Moreover, its supporting processing is simple, which is not only convenient to install, but also can realize rapid installation and is also convenient for rapid disassembly and assembly. In addition, the raw materials of the products of this scheme are all made of metal materials, which ensures their own rigidity while also ensuring their service life, avoiding the problems of insufficient rigidity, unguaranteed aging and deformation, and great influence of thermal expansion and contraction caused by the use of plastic processing in the prior art.

[0012] As a specific structure of a lock sleeve, the lock sleeve is sleeve-shaped, and the inner diameter of the lock sleeve is matched with the outer diameter of the lock rod; the bottom of the installation groove of the first mounting member is evenly spaced with a plurality of installation holes, the lower end of the lock sleeve extends into the installation hole, and the side wall of the lock sleeve has a shoulder. In this scheme, the lock sleeve is set to be sleeve-shaped, so that the lock rod can be inserted into the lock sleeve to limit the lateral displacement of the lock rod and the second mounting member; a mounting hole matching the diameter of the lock sleeve is reserved at the bottom of the installation groove, and the lock sleeve can be inserted into the installation hole for fixing during installation. At this time, since the side wall of the lock sleeve has a circumferentially arranged shoulder, when the hole below the lock sleeve is installed, the shoulder is supported on the bottom surface of the installation groove to position the sleeve and preliminarily limit the installation position of the lock sleeve; wherein the shoulder needs to be polygonal, so that the local width of the installation groove is matched with the shoulder width, and at this time, the corners of the polygon are pressed against the side wall of the installation groove, so that the lock sleeve itself cannot rotate, further ensuring the stable installation of the lock sleeve.

[0013] In order to expose the reduced diameter section and facilitate the engagement of the reduced diameter section with the special-shaped hole, the portion of the lock sleeve located at the upper end of the installation hole is provided with an avoidance hole for avoiding the side wall of the long hole, and the lock sleeve is provided with avoidance holes on both sides of the sliding direction of the lock tenon. In this solution, avoidance holes are reserved on both sides of the lock sleeve. When the lock rod is inserted into the lock sleeve, the reduced diameter section is just located at the avoidance hole, and the reduced diameter section is located inside the avoidance hole, while the circular hole in the special-shaped hole is located outside the avoidance hole. Since the straight-line distance between the two closest end points of the two symmetrically opened avoidance holes is less than the width of the long hole, when the lock tenon is displaced, the long hole can slide into the avoidance hole and be located between the upper and lower end faces of the reduced diameter section to achieve axial limitation of the lock rod.

[0014] In order to fix the lock sleeve and realize the detachable connection, the lock sleeve has a bolt at the bottom, the head of the bolt is located in the lock sleeve, and the bottom of the bolt passes through the lower end of the lock sleeve. In this solution, after the lock sleeve is initially placed in the mounting hole, the bolt is placed from the inside of the lock sleeve to the bottom, and extends out of the bottom of the lock sleeve, and is threadedly connected to the first mounting member.

[0015] As another specific structure of the lock sleeve, the lock sleeve is in the shape of a horizontal plate, and a slide groove is provided on the lock sleeve along the sliding direction of the lock tenon, and the lock tenon and the slide groove are slidably connected; the bottom of the slide groove is respectively provided with a first through hole for the lock rod to pass through; and the reduced diameter section is located above the first through hole. In this scheme, the lock sleeve can be set in the shape of a horizontal plate, and a first through hole is provided in the middle of the horizontal plate-shaped lock sleeve, so that the lock rod can be inserted into the special-shaped hole and the first through hole in turn to achieve the limitation of lateral displacement; at this time, the reduced diameter section is located above the first through hole; a slide groove is also provided on the lock sleeve for sliding connection with the lock tenon, and at this time, the reduced diameter section is just located in the special-shaped hole of the lock tenon, and then drives the lock tenon to slide, so as to achieve the engagement between the long hole and the reduced diameter section.

[0016] In order to leave space for the end of the transmission rod or the pull rod to extend into and realize a detachable connection, a gap is left between the bottom of the locking tenon and the bottom of the slide slot, and a bolt mounting hole is also opened at the bottom of the slide slot. Grooves can be opened on both sides of the slide slot so that the locking tenon slides in the grooves on both sides.

[0017] In order to realize the quick connection between the transmission rod and the lock tenon, the two ends of the lock tenon are provided with a second through hole, and the lower side of the end of the lock tenon is provided with an avoidance groove, one end of the avoidance groove is connected to the second through hole, and the other end of the avoidance groove extends toward the nearest end of the lock tenon and passes through the end of the lock tenon;

[0018] Both ends of the transmission rod are provided with grooves that penetrate on both sides, and the bottom size of the groove is adapted to the size of the avoidance groove; the end of the transmission rod is used to extend into the second through hole. In this solution, there is a groove at the end of the transmission rod, and there is an avoidance groove at the lower side of the end of the locking tenon. Therefore, in the actual installation process, the transmission rod is first inserted, and then the locking tenon is inserted. During the process of inserting the locking tenon, the end part of the transmission rod is located in the second through hole, and the part of the avoidance groove just fits with the groove part, thereby realizing the rapid positioning and connection between the transmission rod and the locking tenon; wherein the transmission rod can be of different lengths according to the 32 coefficient of furniture, adapted to cabinets of different thicknesses, and the hole spacing of the locking rod and the locking sleeve also conforms to the 32 coefficient.

[0019] In order to achieve a quick connection between the pull rod and the locking tenon and fix the locking tenon, the pull rod is cylindrical and partially threaded; the pull rod has a coaxially arranged thin shaft at one end facing the locking tenon, and the thin shaft has a rotating head at the end away from the pull rod, the rotating head extends into the second through hole through the thin shaft, and the diameter of the rotating head is smaller than the width of the second through hole. In the present solution, the pull rod itself is partially threaded to realize threaded connection; a thin shaft with a smaller diameter is provided at the end of the pull rod, and a rotating head is provided at the end of the thin shaft. Thus, during the installation process, the pull rod is installed first, and then the outermost locking tenon is inserted. At this time, the thin shaft is located in the avoidance groove, and the rotating head is located in the second through hole and can rotate freely. Therefore, the threaded rotation of the pull rod drives the rotating head to rotate while performing a lateral displacement, thereby pulling the locking tenon to move in turn to realize the engagement between the special-shaped hole and the reduced diameter section. When moved into place, the pull rod is locked by the thread, so that the locking tenon is fixed and cannot move. When disassembly is required, the pull rod can be rotated in the opposite direction. A cross slot or a slotted slot can be provided on the outer end of the pull rod to facilitate the rotation of the pull rod by a tool.

[0020] In order to avoid opening a threaded hole on the first mounting member, a rod sleeve is also screwed on the thread of the rod. In this solution, an embedding groove can be reserved on the first mounting member, so that the rod sleeve can be embedded inside and fixed, and the threaded hole is opened on the rod sleeve. At this time, the rod can pass through the threaded hole on the rod sleeve and extend into the mounting groove.

[0021] Since the length of the reduced diameter section needs to be slightly longer than the thickness of the special-shaped hole, so that the horizontal sliding space of the lock tenon can be reserved, in order to axially tighten the lock rod and the lock sleeve during the installation process, the bottom of the long hole has an inclined surface extending toward the circular hole, and the upper end of the inclined surface is connected to the circular hole; the lower end surface of the reduced diameter section is located between the lower end of the special-shaped hole and the upper end of the inclined surface, and the width of the inclined surface is greater than the diameter of the lock rod. In this solution, the lower end surface of the reduced diameter section is located between the lower end of the special-shaped hole and the upper end of the inclined surface. In this way, when the lock tenon moves, the inclined surface gradually moves to the upper end surface of the reduced diameter section and exerts downward pressure on the lock rod. When it cannot move, the lock rod and the lock sleeve have been tightened.

[0022] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0023] 1. The utility model provides a pull rod lock tenon connector. With this solution, the connectors are all hidden inside and are firmly connected, so that there are no holes in the inner wall of the furniture cabinet and no exposed connecting accessories, which will not scratch the stored items and further improve the overall quality of the furniture; and its supporting processing is simple, which is not only convenient to install and can achieve quick installation, but also convenient for quick disassembly and assembly.

[0024] 2. The utility model provides a pull rod and lock tenon connector. By adopting this solution, the connection between the parts and the vertical plate / horizontal plate are all machined reserved holes, and the parts are fastened by screw threading, which ensures the effectiveness of the connection between the parts and the plates; there is only a 0.2mm gap when the locking rod on the vertical plate and the locking sleeve on the horizontal plate are engaged, which ensures the geometric properties of the cabinet and makes the furniture more stable after installation; in addition, the pull rod is rotated to pull the lock tenon and then drive the transmission rod to tighten and fix the lock tenons of the front and rear lock rods and the lock sleeve at the same time, which ensures the seamless splicing of the vertical plate and the horizontal plate, and the pull rod is rotated and pulled, and the hole in the lock tenon has a length setting, so that the range of motion of the pull rod can be controlled.

[0025] 3. The utility model provides a pull rod lock tenon connector. With this solution, there is no hole inside the cabinet, and only a 5mm diameter pull rod hole is set at the back of the cabinet. It is easy to use and has a beautiful appearance. This product is truly firm / invisible / simple to process / easy to install, so that furniture can better meet the high demands of the market and improve the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present utility model, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work. In the drawings:

[0027] Figure 1 A schematic diagram of the structure of a connecting piece of an embodiment provided by the utility model when it is not locked;

[0028] Figure 2 A schematic diagram of the structure of a connector after locking according to an embodiment of the utility model;

[0029] Figure 3 A schematic structural diagram of a connecting member in another axial direction of an embodiment provided by the utility model;

[0030] Figure 4 A schematic diagram of the structure of a locking rod according to an embodiment of the present invention;

[0031] Figure 5 A cross-sectional view of the front and left sides of a lock sleeve according to an embodiment of the present invention;

[0032] Figure 6 Three views of a locking tenon according to an embodiment of the utility model;

[0033] Figure 7 A schematic diagram of the structure of a pull rod according to an embodiment of the utility model;

[0034] Figure 8 A schematic diagram of the structure of a transmission rod according to an embodiment of the present invention;

[0035] Fig. 9 A schematic diagram of the position structure of two pre-assembled mounting parts of an embodiment provided by the utility model;

[0036] Fig.10 A schematic diagram of the structure of two mounting parts of an embodiment provided by the utility model after being buckled together;

[0037] Fig.11 A schematic diagram of the structure of an embodiment of the utility model after the connecting pieces in two mounting pieces are locked;

[0038] Fig.12 A schematic diagram of the structure of another embodiment of the present invention when the connecting piece is not locked;

[0039] Fig.13 A schematic diagram of the structure of another embodiment of the connecting piece provided by the utility model after being locked;

[0040] Fig.14 Two views of a lock sleeve of another embodiment provided by the utility model;

[0041] Fig.15A schematic diagram of the matching of a lock sleeve and a lock tenon according to another embodiment of the utility model;

[0042] Fig.16 This is a schematic structural diagram of two mounting parts after being buckled together in another embodiment provided by the utility model.

[0043] Marks and corresponding parts names in the attached drawings:

[0044] 1-locking sleeve, 101-shaft shoulder, 102-avoidance hole, 103-first through hole, 104-slide groove, 105-bolt mounting hole, 2-locking rod, 201-reduced diameter section, 3-locking tenon, 301-special-shaped hole, 302-inclined surface, 303-second through hole, 304-avoidance groove, 4-pull rod, 401-rotating head, 402-pull rod sleeve, 5-transmission rod, 501-groove, 6-bolt. DETAILED DESCRIPTION

[0045] In order to make the purpose, technical solutions and advantages of the utility model more clearly understood, the utility model is further described in detail below in conjunction with embodiments and drawings. The schematic implementation manner of the utility model and its description are only used to explain the utility model and are not intended to limit the utility model.

[0046] Embodiment 1:

[0047] This embodiment 1 provides a pull rod lock tenon connector, such as Figure 1-Figure 16 As shown, including:

[0048] A plurality of lock sleeves 1 are sequentially spaced and distributed along the length direction of the first mounting member, and the lock sleeves 1 are fixed in the mounting groove of the first mounting member; each of the lock sleeves 1 is provided with a lock tenon 3, and the lock tenon 3 can slide along the arrangement direction of the plurality of lock sleeves 1; the lock tenon 3 has a through-shaped hole 301 in the middle, and the shaped hole 301 includes a circular hole and a long hole connected to the end of the circular hole;

[0049] A plurality of locking rods 2 are sequentially spaced and distributed along the length direction of the second mounting member, the plurality of locking rods 2 correspond to the plurality of locking sleeves 1 one by one, and the locking rods 2 are used for plug-in connection with the locking sleeves 1; the portion of the locking rods 2 not covered by the locking sleeves 1 has a reduced diameter section 201;

[0050] The diameter of the circular hole is larger than the diameter of the locking rod 2, the width of the elongated hole is larger than the diameter of the reduced diameter section 201 and smaller than the diameter of the locking rod 2, and the elongated hole is used to insert the reduced diameter section 201 therein;

[0051] The pull rod 4 is connected to an outermost locking tenon 3, and transmission rods 5 are connected between adjacent locking tenons 3.

[0052] Compared with the prior art, not only is the processing difficulty of the cabinet greater, the processing precision is high, the machine reciprocating work efficiency is low, and during installation, a large external force is needed to fix the connecting parts or a large installation working space is required, which makes it impossible for one person to work alone. When applied to certain specific complex structures, such as the connection between vertical boards and horizontal boards, it is also necessary to wedge the connecting parts in an offset manner and then move the board to lock the tenons. The back of the cabinet can only be covered externally and cannot be embedded, which further reduces the processing efficiency. The leakage of the connecting parts will also affect the overall appearance of the furniture. The utility model provides a pull rod 4 locking tenons 3 connecting parts. By adopting this solution, the connecting parts can be hidden inside to achieve seamless splicing. Through the locking method of the special-shaped hole 301 and the reduced diameter section 201, the connection structure is stable, the installation speed is fast, and it is easy to disassemble, which can be suitable for the connection of various complex structures.In the specific scheme, a plurality of lock sleeves 1 are arranged on the first mounting member, and a plurality of lock rods 2 are arranged on the second mounting member, wherein the mounting groove on the first mounting member is prefabricated in advance in the factory, and during on-site installation, a plurality of lock sleeves 1 are sequentially fixed in the mounting groove at intervals, and a plurality of lock rods 2 are sequentially fixed at intervals on the second mounting member, and the spacing between the lock rods 2 and the spacing between the lock sleeves 1 is the same; then, a pull rod 4 is installed on the first mounting member, and a lock tenon 3 is installed on each lock sleeve 1, at which time the lock tenon 3 can slide along the arrangement direction of the plurality of lock sleeves 1, and a transmission mechanism is arranged between adjacent lock tenons 3. Rod 5, and connect the pull rod 4 and the outermost locking tenon 3, so that by applying force to the pull rod 4, several locking tenons 3 can be driven to move in one direction at the same time; after the above parts are installed, the mounting surface of the second mounting member can be seamlessly fitted on the mounting groove of the first mounting member, and at this time, the locking rod 2 is correspondingly inserted into the special-shaped hole 301 of the locking tenon 3 and the locking sleeve 1 in sequence, and the lateral displacement of the first mounting member is limited by the locking sleeve 1 to perform preliminary positioning, and at this time, the reduced diameter section 201 is just located at the circular hole position of the special-shaped hole 301 and is exposed to the outside by the locking sleeve 1; in this way, By applying force to the pull rod 4, the plurality of locking tenons 3 are driven to move in one direction, that is, the circular hole moves away from the elongated hole, so that the reduced diameter section 201 can be gradually inserted into the elongated hole position from the circular hole position. Since the width of the elongated hole is larger than the diameter of the reduced diameter section 201 and smaller than the diameter of the locking rod 2, and the thickness of the elongated hole is slightly smaller than the length of the reduced diameter section 201, the elongated hole can insert the reduced diameter section 201 therein, thereby limiting the axial displacement of the locking rod 2. At this time, the lateral displacement and axial displacement of the locking rod 2 are both fixed, thereby realizing the rapid fixing between the first mounting member and the second mounting member. In the above scheme, the connecting parts are hidden inside and are firmly connected, so that there are no holes in the inner wall of the furniture cabinet and no exposed connecting parts, which will not scratch the stored items and further improve the overall quality of the furniture; and its supporting processing is simple, which is not only convenient for installation, but also can achieve quick installation and quick disassembly; in addition, the raw materials of the products of this scheme are all made of metal materials, which not only ensures their own rigidity, but also ensures their service life, avoiding the problems of insufficient rigidity, unguaranteed aging and deformation, and great influence of thermal expansion and contraction caused by the use of plastic processing in the prior art.

[0053] Embodiment 2:

[0054] This embodiment 2 is further limited on the basis of embodiment 1, and provides a specific structure of a lock sleeve 1, such as Figure 1-Figure 11 shown.

[0055] The locking sleeve 1 is in the shape of a sleeve, and the inner diameter of the locking sleeve 1 is matched with the outer diameter of the locking rod 2; a plurality of mounting holes are evenly spaced at the bottom of the mounting groove of the first mounting member, the lower end of the locking sleeve 1 extends into the mounting holes, and the side wall of the locking sleeve 1 has a shoulder 101. In this solution, the lock sleeve 1 is set to a sleeve shape, so that the lock rod 2 can be inserted into the lock sleeve 1 to limit the lateral displacement of the lock rod 2 and the second mounting member; a mounting hole that matches the diameter size of the lock sleeve 1 is reserved at the bottom of the mounting groove, and the lock sleeve 1 can be inserted into the mounting hole for fixation during installation. At this time, since the side wall of the lock sleeve 1 has a circumferentially arranged shoulder 101, when the mounting hole below the lock sleeve 1 is installed, the shoulder 101 is supported on the bottom surface of the mounting groove to position the sleeve and preliminarily limit the installation position of the lock sleeve 1; the shoulder 101 needs to be a polygon, so that the local width of the mounting groove is matched with the width size of the shoulder 101. At this time, the corners of the polygon are pressed against the side wall of the mounting groove, so that the lock sleeve 1 itself cannot rotate, further ensuring the stable installation of the lock sleeve 1.

[0056] In order to expose the reduced diameter section 201 and facilitate the engagement of the special-shaped hole 301 with the reduced diameter section 201, the portion of the lock sleeve 1 located at the upper end of the installation hole is provided with an avoidance hole 102 for avoiding the side wall of the long hole, and the lock sleeve 1 is provided with avoidance holes 102 on both sides of the sliding direction of the lock tenon 3. In this solution, avoidance holes 102 are reserved on both sides of the lock sleeve 1. When the lock rod 2 is inserted into the lock sleeve 1, the reduced diameter section 201 is just located at the avoidance hole 102, the reduced diameter section 201 is located inside the avoidance hole 102, and the circular hole in the special-shaped hole 301 is located outside the avoidance hole 102. Since the linear distance between the two closest end points of the two symmetrically opened avoidance holes 102 is less than the width of the long hole, when the lock tenon 3 is displaced, the long hole can slide into the avoidance hole 102 and be located between the upper and lower end faces of the reduced diameter section 201 to achieve axial limitation of the lock rod 2.

[0057] In order to fix the lock sleeve 1 and realize the detachable connection, the lock sleeve 1 is provided with a bolt 6 at the bottom, the head of the bolt 6 is located in the lock sleeve 1, and the bottom of the bolt 6 passes through the lower end of the lock sleeve 1. In this solution, after the lock sleeve 1 is initially placed in the mounting hole, the bolt 6 is placed from the inside of the lock sleeve 1 to the bottom, and extends out of the bottom of the lock sleeve 1, and is threadedly connected with the first mounting member.

[0058] Embodiment 3:

[0059] This embodiment 3 is further limited on the basis of embodiment 1, and provides another specific structure of the lock sleeve 1, such as Figure 12-16 shown.

[0060] The lock sleeve 1 is in the shape of a horizontal plate, and a slide groove 104 is provided on the lock sleeve 1 along the sliding direction of the lock tenon 3, and the lock tenon 3 is slidably connected with the slide groove 104; the bottom of the slide groove 104 is respectively provided with a first through hole 103 for the lock rod 2 to pass through; the reduced diameter section 201 is located above the first through hole 103. In this solution, the lock sleeve 1 can be set to be in the shape of a horizontal plate, and a first through hole 103 is provided in the middle of the horizontal plate-shaped lock sleeve 1, so that the lock rod 2 can be inserted into the special-shaped hole 301 and the first through hole 103 in sequence to achieve the limitation of lateral displacement; at this time, the reduced diameter section 201 is located above the first through hole 103; the lock sleeve 1 is also provided with a slide groove 104 for slidably connecting with the lock tenon 3, and at this time, the reduced diameter section 201 is just located in the special-shaped hole 301 of the lock tenon 3, and then drives the lock tenon 3 to slide, so as to achieve the engagement between the long hole and the reduced diameter section 201.

[0061] In order to leave space for the end of the transmission rod 5 or the pull rod 4 to extend into and realize a detachable connection, a gap is left between the bottom of the locking tenon 3 and the bottom of the slide slot 104, and a bolt mounting hole 105 is also opened at the bottom of the slide slot 104. Grooves can be opened on both sides of the slide slot 104 so that the locking tenon 3 slides in the grooves on both sides.

[0062] Embodiment 4:

[0063] This embodiment 4 is further limited on the basis of embodiment 1, and provides a specific structure for connecting the transmission between the transmission rod 5, the pull rod 4 and the locking tenon 3.

[0064] See also Figure 1-3 6, in order to realize the quick connection between the transmission rod 5 and the lock tenon 3, the two ends of the lock tenon 3 are provided with a second through hole 303, and the lower side of the end of the lock tenon 3 is provided with an avoidance groove 304, one end of the avoidance groove 304 is connected to the second through hole 303, and the other end of the avoidance groove 304 extends toward the nearest end of the lock tenon 3 and passes through the end of the lock tenon 3;

[0065] Both ends of the transmission rod 5 are provided with grooves 501 that penetrate on both sides, and the bottom size of the groove 501 is adapted to the size of the avoidance groove 304; the end of the transmission rod 5 is used to extend into the second through hole 303. In this solution, the end of the transmission rod 5 is provided with a groove 501, and the lower side of the end of the locking tenon 3 is provided with an avoidance groove 304, so in the actual installation process, the transmission rod 5 is first placed, and then the locking tenon 3 is placed. In the process of placing the locking tenon 3, the end portion of the transmission rod 5 is located in the second through hole 303, and the part of the avoidance groove 304 is just engaged with the part of the groove 501, so as to achieve rapid positioning and connection between the transmission rod 5 and the locking tenon 3; wherein the transmission rod 5 can be of different lengths according to the furniture 32 coefficient, adapted to cabinets of different thicknesses, and the hole distance of the locking rod 2 and the locking sleeve 1 also conforms to the 32 coefficient.

[0066] See also Figure 1-3 and 7, in order to realize the quick connection between the pull rod 4 and the locking tenon 3 and fix the locking tenon 3, the pull rod 4 is cylindrical, and the pull rod 4 is partially threaded; the pull rod 4 has a coaxially arranged thin shaft at one end facing the locking tenon 3, and the thin shaft has a rotating head 401 at one end away from the pull rod 4, the rotating head 401 extends into the second through hole 303 through the thin shaft, and the diameter of the rotating head 401 is smaller than the width of the second through hole 303. In the present solution, the pull rod 4 itself is partially threaded to realize threaded connection; a thin shaft with a smaller diameter is provided at the end of the pull rod 4, and a rotating head 401 is provided at the end of the thin shaft. In this way, during the installation process, the pull rod 4 is installed first, and then the outermost locking tenon 3 is inserted. At this time, the thin shaft is located in the avoidance groove 304, and the rotating head 401 is located in the second through hole 303 and can rotate freely. Therefore, the threaded rotation step of the pull rod 4 drives the rotating head 401 to rotate while performing a lateral displacement, pulling the locking tenon 3 to move in turn, realizing the engagement between the special-shaped hole 301 and the reduced diameter section 201. When moved into place, the pull rod 4 is locked by the thread, so that the locking tenon 3 is fixed and cannot move; when disassembly is required, the pull rod 4 can be rotated in the opposite direction; wherein, a cross groove or a straight groove can be provided on the outer end of the pull rod 4, so as to facilitate the rotation of the pull rod 4 by a tool.

[0067] See also Figure 1-3 In order to avoid opening a threaded hole on the first mounting member, a rod sleeve 402 is also screwed on the thread of the rod 4. In this solution, an embedding groove can be reserved on the first mounting member, so that the rod sleeve 402 can be embedded inside and fixed. The threaded hole is opened on the rod sleeve 402, and the rod 4 can pass through the threaded hole on the rod sleeve 402 and extend into the mounting groove.

[0068] See also Figure 6 , since the length of the reduced diameter section 201 needs to be slightly longer than the thickness of the special-shaped hole 301, in order to reserve a lateral sliding space for the lock tenon 3, in order to axially tighten the lock rod 2 and the lock sleeve 1 during the installation process, the bottom of the long hole is provided with an inclined surface 302 extending toward the circular hole, and the upper end of the inclined surface 302 is connected to the circular hole; the lower end surface of the reduced diameter section 201 is located between the lower end of the special-shaped hole 301 and the upper end of the inclined surface 302, and the width of the inclined surface 302 is greater than the diameter of the lock rod 2. In this solution, the lower end surface of the reduced diameter section 201 is located between the lower end of the special-shaped hole 301 and the upper end of the inclined surface 302, so that when the lock tenon 3 moves, the inclined surface 302 gradually moves to the upper end surface of the reduced diameter section 201, and exerts downward pressure on the lock rod 2. When it cannot move, the lock rod 2 and the lock sleeve 1 have been tightened.

[0069] Specific working principle:

[0070] A plurality of locking sleeves 1 are arranged in the mounting holes of the first mounting part, and a plurality of locking rods 2 are arranged on the second mounting part. The upper ends of the locking rods 2 are threaded, and a plurality of threaded sleeves are pre-embedded in the second connecting part. The locking rods 2 and the second connecting part can be quickly connected on site. Among them, the mounting grooves on the first mounting part are prefabricated in the factory in advance. During on-site installation, a plurality of locking sleeves 1 are fixed in the mounting grooves at intervals in sequence, and a plurality of locking rods 2 are fixed on the second mounting part at intervals in sequence, and the spacing between the locking rods 2 is the same as the spacing between the locking sleeves 1; then, the pull rod sleeve 402 is embedded and fixed on the first mounting part, and the pull rod 4 is threaded through the pull rod sleeve 402 and extended into the mounting groove; then, the transmission rod 5 is installed between adjacent mounting holes, and a locking tenon 3 is installed on each locking sleeve 1, and the two ends of the locking tenon 3 are respectively buckled on the ends of the two transmission rods 5, and one end of the outermost locking tenon 3 is buckled on the end of the pull rod 4, thereby connecting a plurality of locking tenons 3 as a whole; after the above-mentioned parts are installed, the mounting surface of the second mounting part can be fixed. It fits seamlessly on the mounting groove of the first mounting part. At this time, the locking rod 2 is inserted into the special-shaped hole 301 of the locking tenon 3 and the locking sleeve 1 in turn. The lateral displacement of the first mounting part is limited by the locking sleeve 1 for preliminary positioning. At this time, the reduced diameter section 201 is just located at the circular hole position of the special-shaped hole 301 and is exposed to the outside by the locking sleeve 1; in this way, by driving the pull rod 4 to rotate, a plurality of locking tenons 3 can be driven to move in one direction at the same time, that is, the circular hole moves away from the elongated hole, and the reduced diameter section 201 can be gradually inserted from the circular hole position into the elongated hole position. Since the width of the elongated hole is greater than the diameter of the reduced diameter section 201 and smaller than the diameter of the locking rod 2, and the thickness of the elongated hole is slightly smaller than the length of the reduced diameter section 201, the elongated hole can insert the reduced diameter section 201 therein, thereby limiting the axial displacement of the locking rod 2. At this time, the lateral displacement and axial displacement of the locking rod 2 are both fixed, thereby realizing rapid fixation between the first mounting part and the second mounting part; and the pull rod 4 can be rotated in the opposite direction to achieve rapid disassembly.

[0071] The specific implementation methods described above further illustrate the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above description is only the specific implementation method of the utility model and is not used to limit the protection scope of the utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A tie rod lock tenon connector, characterized in that: include: A plurality of locking sleeves (1) are sequentially spaced and distributed along the length direction of the first mounting member, wherein the locking sleeves (1) are fixed in the mounting groove of the first mounting member; a locking tenon (3) is provided at each of the locking sleeves (1), and the locking tenon (3) can slide along the arrangement direction of the plurality of locking sleeves (1); a through-going special-shaped hole (301) is provided in the middle of the locking tenon (3), and the special-shaped hole (301) comprises a circular hole and a long strip hole connected to the end of the circular hole; A plurality of locking rods (2) are sequentially spaced and distributed along the length direction of the second mounting member, the plurality of locking rods (2) and the plurality of locking sleeves (1) correspond one to one, and the locking rods (2) are used for plug-in connection with the locking sleeves (1); the portion of the locking rod (2) not covered by the locking sleeve (1) is provided with a reduced diameter section (201); The diameter of the circular hole is greater than the diameter of the locking rod (2), the width of the elongated hole is greater than the diameter of the reduced diameter section and smaller than the diameter of the locking rod (2), and the elongated hole is used to clamp the reduced diameter section therein; A pull rod (4) is connected to an outermost locking tenon (3), and a transmission rod (5) is connected between adjacent locking tenons (3).

2. A tie rod lock tenon connector according to claim 1, characterized in that: The locking sleeve (1) is in the shape of a sleeve, and the inner diameter of the locking sleeve (1) is matched with the outer diameter of the locking rod (2); a plurality of mounting holes are evenly spaced at intervals at the bottom of the mounting groove of the first mounting member, the lower end of the locking sleeve (1) extends into the mounting hole, and the side wall of the locking sleeve (1) has a shaft shoulder (101).

3. A tie rod lock tenon connector according to claim 2, characterized in that: The portion of the lock sleeve (1) located at the upper end of the installation hole has an avoidance hole (102) for avoiding the side wall of the long hole, and the lock sleeve (1) has avoidance holes (102) on both sides of the sliding direction of the lock tenon (3).

4. A tie rod lock tenon connector according to claim 2, characterized in that: The bottom of the locking sleeve (1) is provided with a bolt (6), the head of the bolt (6) is located inside the locking sleeve (1), and the bottom of the bolt (6) passes through the lower end of the locking sleeve (1).

5. The tie rod lock tenon connector according to claim 1, characterized in that: The locking sleeve (1) is in the shape of a horizontal plate, and is provided with a sliding groove (104) arranged along the sliding direction of the locking tenon (3), and the locking tenon (3) and the sliding groove (104) are slidably connected; the bottom of the sliding groove (104) is respectively provided with a first through hole (103) for the locking rod (2) to pass through; the reduced diameter section (201) is located above the first through hole (103).

6. A tie rod lock tenon connector according to claim 5, characterized in that: A gap is left between the bottom of the locking tenon (3) and the bottom of the sliding groove (104), and a bolt mounting hole (105) is also opened at the bottom of the sliding groove (104).

7. The tie rod lock tenon connector according to claim 1, characterized in that: Both ends of the locking tenon (3) are provided with a second through hole (303), and the lower side of the end of the locking tenon (3) is provided with an avoidance groove (304), one end of the avoidance groove (304) is connected to the second through hole (303), and the other end of the avoidance groove (304) extends toward the nearest end of the locking tenon (3) and passes through the end of the locking tenon (3); Both ends of the transmission rod (5) are provided with grooves (501) penetrating on both sides, and the bottom size of the groove (501) is matched with the size of the avoidance groove; the end of the transmission rod (5) is used to extend into the second through hole (303).

8. The tie rod lock tenon connector according to claim 7, characterized in that: The pull rod (4) is cylindrical, and a part of the pull rod (4) is threaded; The end of the pull rod (4) facing the locking tenon (3) is provided with a coaxially arranged thin shaft, and the end of the thin shaft away from the pull rod (4) is provided with a rotating head (401), and the rotating head (401) extends into the second through hole (303) through the thin shaft, and the diameter of the rotating head (401) is smaller than the width of the second through hole (303).

9. A tie rod lock tenon connector according to claim 8, characterized in that: A pull rod sleeve (402) is also threadedly connected to the thread of the pull rod (4).

10. The tie rod lock tenon connector according to claim 1, characterized in that: The bottom of the elongated hole is provided with an inclined surface (302) extending toward the circular hole, and the upper end of the inclined surface (302) is connected to the circular hole; the width of the inclined surface (302) is greater than the diameter of the locking rod (2); the lower end surface of the reduced diameter section (201) is located between the lower end of the special-shaped hole (301) and the upper end of the inclined surface (302), and the width of the inclined surface (302) is greater than the diameter of the locking rod (2).

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