Assembling cabinet preformed hole connecting device capable of being rapidly installed

Abstract

The utility model relates to the technical field of spliced cabinet connecting devices, in particular to a quickly-installed spliced cabinet preformed hole connecting device which comprises a threaded connecting pipe, the bottom end of the threaded connecting pipe is fixedly connected with a connecting pipe, a movable cavity is formed in the threaded connecting pipe, and a hidden connecting assembly is installed in the movable cavity. The hidden connecting assembly comprises a rotating screw mechanism, a magnetic connecting mechanism and a magnetism isolating sleeve, the rotating screw mechanism is arranged at the top of the inner side of the movable cavity in a sliding mode, the magnetic connecting mechanism is arranged in the middle of the inner side of the movable cavity in a rotating mode, and the magnetism isolating sleeve is fixedly arranged at the bottom end of the inner side of the movable cavity. The supporting spring can be prevented from being affected by a magnetic field to be dislocated, stable transmission of elastic force is guaranteed, rotating friction force is reduced, smooth operation is guaranteed, adverse effects of spring bending and dislocation on screw installation and assembly cabinet assembly quality are effectively avoided, and the installation efficiency and the assembly cabinet quality are improved.

Description

Technical Field

[0001] This utility model relates to the technical field of modular cabinet connection devices, specifically a pre-drilled hole connection device for quick-installation modular cabinets. Background Technology

[0002] The quick-installation modular cabinet pre-drilled hole connection device is a device used to connect various components of the modular cabinet and enable quick installation. It is usually used in conjunction with concealed connectors to achieve better installation results and aesthetics.

[0003] Currently, some pre-drilled hole connection devices use magnetic connection. The working principle is as follows: by using a box containing magnetic blocks to rotate and adjust the screws connected to the magnetic blocks, the connection and stable fixation between components can be achieved. This magnetic connection method brings convenience to the assembly work to a certain extent. For example, compared with some traditional bolt and nut connections, it reduces the tedious operation of manually tightening screws, and at the same time has better concealment.

[0004] However, during installation, it was found that when the screw is rotated and adjusted by a box containing magnetic blocks, the spring that supports the screw is significantly affected. This spring is usually made of martensitic stainless steel, which is magnetic. Due to the complex effects of the magnetic field, the contact area between the spring and the screw is prone to bending and misalignment during adjustment. Once the spring bends and misaligns, its original elastic support effect is greatly reduced. This not only makes it difficult to accurately install the screw limiting component, thus interfering with the positional stability of the screw during operation, but also further affects the assembly quality of the entire assembly cabinet. Therefore, a quick-installation assembly cabinet pre-drilled hole connection device is proposed to address the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a quick-installation pre-drilled hole connection device for modular cabinets, in order to solve the problem that due to the complex action of magnetic force, the contact part between the spring and the screw is prone to bending and misalignment during the adjustment process, which greatly reduces the original elastic support effect. This not only makes it difficult to accurately install the screw limit component, but also affects the assembly quality of the entire modular cabinet.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A pre-drilled hole connection device for quick-installation modular cabinet includes a threaded connecting pipe with a connecting tube fixedly connected to its bottom end. The threaded connecting pipe has an internal movable cavity, inside which a concealed connection assembly is installed. The concealed connection assembly includes a rotating screw mechanism, a magnetic connection mechanism, and a magnetic shielding sleeve. The rotating screw mechanism is slidably disposed at the top of the movable cavity's inner side. The magnetic connection mechanism is rotatably disposed at the middle of the movable cavity's inner side. The magnetic shielding sleeve is fixedly disposed at the bottom of the movable cavity's inner side, with a support spring embedded inside. A push rod is fixedly connected to the top of the support spring, and a push plate is fixedly connected to the top of the push rod. A ball bearing is rotatably connected to the upper surface of the push plate, and an installation cavity is formed at the top of the push plate. An adsorption block is fixedly connected to the inner side of the installation cavity. The ball bearing rotatably engages with the bottom end of the magnetic connection mechanism, and a gap is provided between the adsorption block and the magnetic connection mechanism.

[0008] As a further optimization of this utility model, the rotating screw mechanism includes a connecting seat, with first push blocks fixedly connected to both sides of the lower end face of the connecting seat. A connecting cavity is opened at the center of the lower end face of the connecting seat, and a screw is fixedly connected to the center of the upper end of the connecting seat. The screw is rotatably connected to the center of the top end of the threaded connecting pipe, and the top end of the screw extends to the outside of the threaded connecting pipe.

[0009] As a further optimization of this utility model, the magnetic connection mechanism includes a connecting sleeve, an S-pole strong magnet and an N-pole strong magnet are fixedly connected to the inner side of the connecting sleeve, the S-pole strong magnet and the N-pole strong magnet are fixedly connected, the bottom end of the N-pole strong magnet and the bottom end of the S-pole strong magnet are fixedly connected to the same push plate, and a second push block is fixedly connected to both sides of the top of the connecting sleeve.

[0010] As a further optimization of this utility model, the following features are provided: the S-pole strong magnetic block and the N-pole strong magnetic block have the same structure, the S-pole strong magnetic block and the N-pole strong magnetic block are arranged in a left-right supporting configuration, the top of the S-pole strong magnetic block is engaged on one side of the inner wall of the connecting cavity, the top of the N-pole strong magnetic block is engaged on the other side of the inner wall of the connecting cavity, the push plate and the connecting sleeve are located on the same central axis, and the lower surface of the push plate rotates in cooperation with the outer side of the ball.

[0011] As a further optimization of this utility model, the push rod is a three-section cylinder, the push rod and the support spring are located on the same central axis, the push rod slides in contact with the inner side of the magnetic shielding sleeve, and a dustproof ring is fixedly connected to the bottom of the outer side of the push rod, with the outer side of the dustproof ring fitting against the inner side of the magnetic shielding sleeve.

[0012] As a further optimization of this utility model, the number of the ball bearings is set to several, and the several ball bearings are equidistantly arranged in a circle with the adsorption block as the center. The mounting cavity is located at the center of the top of the push plate, the inner side of the mounting cavity has an arc-shaped structure, and a connecting groove is opened in the middle of the outer side of the adsorption block.

[0013] As a further optimization of this utility model, the following features are provided: reinforcing plates are fixedly connected to both sides of the bottom end of the threaded connecting pipe, the two reinforcing plates are arranged symmetrically from left to right, the outer shape of the reinforcing plates matches the outer shape of the connecting pipe, and the reinforcing plates are bonded and fixed to the connecting pipe.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] In this invention, the hidden connecting components, rotating screw mechanism, magnetic connecting mechanism and magnetic shielding sleeve work together to drive the connecting sleeve to rotate and tighten the screw through the magnetic field. This is efficient and convenient. The magnetic shielding sleeve can prevent the support spring from being misaligned due to the magnetic field and ensure stable transmission of elastic force. The ball bearings reduce rotational friction and the adsorption block adsorbs debris to ensure smooth operation. This effectively avoids the adverse effects of spring bending and misalignment on screw installation and assembly quality of the assembly cabinet, thus improving installation efficiency and assembly cabinet quality. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a cross-sectional structural diagram of the entire utility model;

[0018] Figure 3 This is a schematic diagram of the push plate of this utility model;

[0019] Figure 4 This is a cross-sectional structural diagram of the magnetic shielding sleeve of this utility model;

[0020] Figure 5 This is a schematic diagram of the rotating screw mechanism of this utility model;

[0021] Figure 6 This is a schematic diagram of the magnetic connection mechanism of this utility model.

[0022] In the diagram: 1. Threaded connecting pipe; 2. Connecting pipe; 3. Movable cavity; 5. Reinforcing plate; 6. Dustproof ring;

[0023] 4. Concealed connection assembly; 41. Rotating screw mechanism; 42. Magnetic connection mechanism; 43. Magnetic shielding sleeve; 44. Support spring; 45. Push rod; 46. Push plate; 47. Ball bearing; 48. Mounting cavity; 49. Adsorption block;

[0024] 411. Connecting seat; 412. First push block; 413. Connecting cavity; 414. Screw;

[0025] 421. Connecting sleeve; 422. S-pole strong magnet; 423. N-pole strong magnet; 424. Push plate; 425. Second push block. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0028] Please see Figure 1-6 This utility model provides a technical solution:

[0029] A quick-installation assembly cabinet pre-drilled hole connection device includes a threaded connecting pipe 1, a connecting pipe 2 fixedly connected to the bottom end of the threaded connecting pipe 1, and reinforcing plates 5 fixedly connected to both sides of the bottom end of the threaded connecting pipe 1. The two reinforcing plates 5 are symmetrically arranged left and right, and the outer shape of the reinforcing plates 5 matches the outer shape of the connecting pipe 2. The reinforcing plates 5 and the connecting pipe 2 are bonded and fixed together. The threaded connecting pipe 1 has a movable cavity 3 inside, and a hidden connection assembly 4 is installed inside the movable cavity 3. The hidden connection assembly 4 includes a rotating screw mechanism 41, a magnetic connection mechanism 42, and a magnetic shielding sleeve 43. The rotating screw mechanism 41 is slidably disposed on the top of the inner side of the movable cavity 3, and the magnetic connection mechanism 42 rotates... The magnetic shielding sleeve 43 is fixedly installed at the bottom of the inner side of the movable cavity 3. The magnetic shielding sleeve 43, made of ferrite material, has a support spring 44 embedded inside. The ferrite material can maintain good magnetic shielding performance in different working environments. The top of the support spring 44 is fixedly connected to a push rod 45, and the top of the push rod 45 is fixedly connected to a push plate 46. The upper surface of the push plate 46 is rotatably connected to a ball bearing 47. The top of the push plate 46 has an installation cavity 48, and the inner side of the installation cavity 48 is fixedly connected to an adsorption block 49. The ball bearing 47 is rotatably engaged with the bottom of the magnetic connection mechanism 42, and there is a gap between the adsorption block 49 and the magnetic connection mechanism 42.

[0030] As a further implementation of this solution, the rotating screw mechanism 41 includes a connecting seat 411. Both sides of the lower end face of the connecting seat 411 are fixedly connected to the first push block 412. A connecting cavity 413 is opened at the center of the lower end face of the connecting seat 411. This design ensures that when transmitting power, the rotational motion can be stably transmitted from the magnetic connecting mechanism 42 to the rotating screw mechanism 41. A screw 414 is fixedly connected at the center of the upper end of the connecting seat 411. The screw 414 is rotatably connected to the center of the top end of the threaded connecting tube 1. The top end of the screw 414 extends to the outside of the threaded connecting tube 1. The fastening connection with the plate to be connected is completed by rotating the screw 414.

[0031] As a further implementation of this solution, the magnetic connection mechanism 42 includes a connecting sleeve 421. An S-pole strong magnet 422 and an N-pole strong magnet 423 are fixedly connected to the inner side of the connecting sleeve 421. The S-pole strong magnet 422 and the N-pole strong magnet 423 are fixedly connected. The bottom end of the N-pole strong magnet 423 and the bottom end of the S-pole strong magnet 422 are fixedly connected to the same push plate 424. The top two sides of the connecting sleeve 421 are fixedly connected to a second push block 425. When the device is running, when the external magnetic field drives the connecting sleeve 421 to rotate, the second push block 425 rotates accordingly. Then, through cooperation with the first push block 412, it drives the rotating screw mechanism 41 to move, thereby realizing the rotation of the screw 414.

[0032] As a further implementation of this scheme, the S-pole strong magnetic block 422 and the N-pole strong magnetic block 423 have the same structure. The S-pole strong magnetic block 422 and the N-pole strong magnetic block 423 are arranged to support each other from left to right. The top of the S-pole strong magnetic block 422 is stuck on one side of the inner wall of the connecting cavity 413, and the top of the N-pole strong magnetic block 423 is stuck on the other side of the inner wall of the connecting cavity 413. The push plate 424 and the connecting sleeve 421 are located on the same central axis. The lower surface of the push plate 424 rotates with the outer side of the ball 47.

[0033] As a further implementation of this solution, the push rod 45 is a three-section cylinder. The push rod 45 and the support spring 44 are located on the same central axis. The push rod 45 slides with the inner side of the magnetic shielding sleeve 43. A dustproof ring 6 is fixedly connected to the bottom of the outer side of the push rod 45. The outer side of the dustproof ring 6 is in contact with the inner side of the magnetic shielding sleeve 43. The function of the dustproof ring 6 is to prevent dust and other impurities from entering the interior of the magnetic shielding sleeve 43 and affecting the sliding fit between the push rod 45 and the magnetic shielding sleeve 43, thereby ensuring that the elastic force generated by the support spring 44 can be stably transmitted.

[0034] As a further implementation of this scheme, the number of balls 47 is set to a certain number, and the balls 47 are equidistantly arranged in a circle with the adsorption block 49 as the center. The mounting cavity 48 is located at the center of the top of the push plate 46. The inner side of the mounting cavity 48 has an arc-shaped structure. The adsorption block 49 is made of magnetic material. A connecting groove is opened in the middle of the outer side of the adsorption block 49. The adsorption block 49 can adsorb the debris particles generated by the rotation and friction between the balls 47 and the push plate 424, preventing these debris from affecting the movement of the connecting sleeve 421 in the movable cavity 3, and ensuring the smoothness and stability of the entire connecting device.

[0035] Workflow: First, concealed pre-drilled holes matching the threaded connecting pipe 1 are pre-drilled on each panel of the assembled cabinet according to design requirements. Then, the connecting pipe 2 below the threaded connecting pipe 1 is inserted into the concealed pre-drilled hole. The connecting pipe 2 is made of plastic. The reinforcing plate 5 increases the contact area between the threaded connecting pipe 1 and the connecting pipe 2, improving their stability. The threaded connecting pipe 1 is rotated using tools such as a wrench, and fixed by the threads on the outside of the threaded connecting pipe 1 against the inner wall of the concealed pre-drilled hole, thus securing the threaded connection. The top of tube 1 is flush with the surface of the plate. During installation, the screw 414 at the front end of the threaded connection tube 1 is aligned with the threaded hole on the plate to be connected. The box with the magnetic block (this is existing technology in the field) is close to the connecting tube 2. Utilizing the principle that like poles of magnetic blocks repel and unlike poles attract, the magnetic block cooperates with the N-pole strong magnetic block 423 and the S-pole strong magnetic block 422, allowing them to quickly position and attract each other. The box with the magnetic block rotates at high speed, generating a directional magnetic field. This magnetic field acts on the S-pole strong magnetic block 422 and the N-pole strong magnetic block 423 inside the connecting sleeve 421, driving the connecting... The second push block 425 at the front end of the sleeve 421 also rotates. Simultaneously, the rotation of the second push block 425 drives the connecting seat 411 via the first push block 412, resulting in a tight connection between the components. This allows the connecting seat 411 to drive the screw 414 to rotate. To prevent the magnetic block from affecting the support spring 44, the support spring 44 is placed in the magnetic shielding sleeve 43 to avoid misalignment caused by the magnetic field. A sliding connection is used between the push rod 45 and the magnetic shielding sleeve 43 to ensure that the elastic force generated by the support spring 44 can be stably transmitted to the push rod 45. When the magnetic connection mechanism 42 is rotated and adjusted, the pushing force of the push rod 45 is transmitted to the ball 47 through the push plate 46, and the ball 47 then transmits the pushing force to the push plate 424. Since the ball 47 is rotatably connected between the push plate 46 and the push plate 424, the rotational friction of the magnetic connection mechanism 42 can be effectively reduced, making the screw 414 rotate smoothly. The adsorption block 49 can adsorb the debris particles generated by the rotational friction between the ball 47 and the push plate 424, ensuring the smoothness of the connecting sleeve 421 in the moving cavity 3, and ensuring the stable and efficient connection process of the screw 414.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A pre-drilled hole connection device for quick-installation modular cabinets, comprising a threaded connecting pipe (1), characterized in that: The bottom end of the threaded connecting pipe (1) is fixedly connected to the connecting pipe (2), and the inside of the threaded connecting pipe (1) is provided with a movable cavity (3), and a hidden connecting component (4) is installed inside the movable cavity (3). The concealed connection assembly (4) includes a rotating screw mechanism (41), a magnetic connection mechanism (42), and a magnetic shielding sleeve (43). The rotating screw mechanism (41) is slidably disposed at the top of the inner side of the movable cavity (3). The magnetic connection mechanism (42) is rotatably disposed at the middle of the inner side of the movable cavity (3). The magnetic shielding sleeve (43) is fixedly disposed at the bottom of the inner side of the movable cavity (3). A support spring (44) is embedded in the inner side of the magnetic shielding sleeve (43). A push rod (45) is fixedly connected to the top of the support spring (44). A push plate (46) is fixedly connected to the top of the push rod (45). A ball bearing (47) is rotatably connected to the upper surface of the push plate (46). An installation cavity (48) is opened at the top of the push plate (46). An adsorption block (49) is fixedly connected to the inner side of the installation cavity (48). The ball (47) rotates with the bottom end of the magnetic connection mechanism (42), and there is a gap between the adsorption block (49) and the magnetic connection mechanism (42).

2. The pre-drilled hole connection device for quick-installation modular cabinet according to claim 1, characterized in that: The rotating screw mechanism (41) includes a connecting seat (411), and a first push block (412) is fixedly connected to both sides of the lower end face of the connecting seat (411). A connecting cavity (413) is opened at the center of the lower end face of the connecting seat (411). A screw (414) is fixedly connected to the center of the upper end of the connecting seat (411). The screw (414) is rotatably connected to the center of the top end of the threaded connecting pipe (1). The top end of the screw (414) extends to the outside of the threaded connecting pipe (1).

3. The pre-drilled hole connection device for quick-installation modular cabinet according to claim 1, characterized in that: The magnetic connection mechanism (42) includes a connecting sleeve (421). An S-pole strong magnetic block (422) and an N-pole strong magnetic block (423) are fixedly connected to the inner side of the connecting sleeve (421). The S-pole strong magnetic block (422) and the N-pole strong magnetic block (423) are fixedly connected. The bottom end of the N-pole strong magnetic block (423) and the bottom end of the S-pole strong magnetic block (422) are fixedly connected to the same push plate (424). A second push block (425) is fixedly connected to both sides of the top of the connecting sleeve (421).

4. The pre-drilled hole connection device for quick-installation modular cabinet according to claim 3, characterized in that: The S-pole strong magnetic block (422) and the N-pole strong magnetic block (423) have the same structure. The S-pole strong magnetic block (422) and the N-pole strong magnetic block (423) are arranged in a left-right supporting manner. The top of the S-pole strong magnetic block (422) is stuck on one side of the inner wall of the connecting cavity (413), and the top of the N-pole strong magnetic block (423) is stuck on the other side of the inner wall of the connecting cavity (413). The push plate (424) and the connecting sleeve (421) are located on the same central axis. The lower surface of the push plate (424) rotates and engages with the outer side of the ball (47).

5. The pre-drilled hole connection device for quick-installation modular cabinet according to claim 1, characterized in that: The push rod (45) is a three-section cylinder. The push rod (45) and the support spring (44) are located on the same central axis. The push rod (45) slides with the inner side of the magnetic shielding sleeve (43). A dustproof ring (6) is fixedly connected to the bottom of the outer side of the push rod (45). The outer side of the dustproof ring (6) is in contact with the inner side of the magnetic shielding sleeve (43).

6. The pre-drilled hole connection device for quick-installation modular cabinet according to claim 1, characterized in that: The number of the ball bearings (47) is set to a certain number, and the ball bearings (47) are equidistantly arranged in a circular pattern with the adsorption block (49) as the center. The mounting cavity (48) is located at the center of the top of the push plate (46). The inner side of the mounting cavity (48) is an arc-shaped structure. A connecting groove is opened in the middle of the outer side of the adsorption block (49).

7. The pre-drilled hole connection device for quick-installation modular cabinet according to claim 1, characterized in that: The threaded connecting pipe (1) has two reinforcing plates (5) fixedly connected to both sides of its bottom end. The two reinforcing plates (5) are arranged symmetrically from left to right. The outer shape of the reinforcing plate (5) matches the outer shape of the connecting pipe (2). The reinforcing plate (5) and the connecting pipe (2) are bonded and fixed together.

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