Knob type connector

Abstract

The utility model provides a rotary knob type connector, which comprises a first connecting piece, a second connecting piece and a third connecting piece, the connecting assembly comprises a sleeve and a second connecting piece connected with the sleeve in an inserted mode, a limiting piece is arranged on the inner circumferential face of the sleeve, the first connecting piece is arranged on the outer circumferential face of the second connecting piece in a sleeving mode, and the sleeve is arranged on the outer circumferential face of the first connecting piece in a sleeving mode; wherein the limiting piece is arranged in the arc-shaped groove and can move in the arc-shaped groove so as to clamp the first connecting piece and the second connecting piece. Therefore, the connector is locked or separated through the rotation action between the sleeve and the first connecting piece, a special tool is not needed, the operation convenience is improved, the time required for connection and separation is remarkably saved, and the working efficiency can be greatly improved.

Description

Technical Field

[0001] This application relates to the field of connectors, and more particularly to a knob-type connector. Background Technology

[0002] Connectors are indispensable components in electronic devices and are widely used in various electrical and signal connection applications. In the design of knob-type connectors, the fixed connection between the two connectors (usually male and female) is the key to realizing electrical and signal transmission.

[0003] Most existing connectors employ either screw-fastening or spring-loaded designs. Screw-fastening connectors use screws to tightly connect two parts, providing high connection strength and stability. However, in applications requiring frequent disassembly and assembly, repeated tightening and loosening of the screws can lead to thread wear and loosening. Furthermore, screw tightening requires specialized tools, increasing the complexity of installation and maintenance, and making connection and disassembly time-consuming. Spring-loaded connectors rely on the elastic deformation and recovery capabilities of the springs to achieve the connection between male and female connectors, offering advantages such as simple installation and easy replacement. However, in practice, users need to spend a considerable amount of time pressing the springs, reducing work efficiency.

[0004] Therefore, there is a need for a knob-type connector that can be quickly locked and disengaged. Utility Model Content

[0005] In view of this, it is necessary to provide a knob-type connector that can be quickly locked and disengaged to solve the above problems.

[0006] Embodiments of this application provide a knob-type connector, comprising:

[0007] The first connector has an arc-shaped groove on its outer peripheral surface;

[0008] A connecting assembly, the connecting assembly including a sleeve and a second connecting member inserted into the sleeve, the inner circumferential surface of the sleeve having a limiting member, the first connecting member being sleeved on the outer circumferential surface of the second connecting member, and the sleeve being sleeved on the outer circumferential surface of the first connecting member;

[0009] The limiting member is disposed within the arc-shaped groove and can move within the arc-shaped groove to clamp the first connecting member and the second connecting member.

[0010] In at least one embodiment of this application, the diameter of the arc-shaped groove opening is greater than or equal to the cross-sectional diameter of the limiting member, and the depth of the arc-shaped groove bottom is greater than or equal to the height of the limiting member.

[0011] In at least one embodiment of this application, the arc-shaped groove is provided as two, and the two arc-shaped grooves are symmetrically arranged along the axial extension direction of the first connector;

[0012] The limiting member is also provided in two parts, which are symmetrically arranged on the sleeve, and each of the two limiting members corresponds to one of the arc-shaped grooves.

[0013] In at least one embodiment of this application, the arc-shaped groove includes an abutment groove and a sliding groove. The sliding groove extends along the circumferential surface of the first connector, the abutment groove is located at the extended end of the sliding groove, and the abutment groove has an abutment surface. The shape of the abutment surface matches the arc shape of the outer circumferential surface of the limiting member.

[0014] In at least one embodiment of this application, the first connector has a first fixing part, the first fixing part is fixedly disposed at the end of the first connector, and the arc-shaped groove is disposed on the first fixing part;

[0015] The second connector has a second fixing part, which is fixedly disposed at the end of the second connector;

[0016] Wherein, the cross-sectional diameter of the first fixing part is larger than the cross-sectional diameter of the second fixing part, and the first fixing part is sleeved on the second fixing part.

[0017] In at least one embodiment of this application, the inner circumferential surface of the sleeve is further provided with a limiting groove, the limiting groove being located at the end of the inner circumferential surface of the sleeve away from the limiting member;

[0018] The second connector also has a third fixing part, which is adjacent to and connected to the second fixing part. The third fixing part has a protrusion, which is located on the side close to the second fixing part and is located in the limiting groove. The protrusion can move in the limiting groove to lock the second connector and the sleeve.

[0019] In at least one embodiment of this application, the limiting groove includes a guide groove arranged along the axial direction of the sleeve and a moving groove arranged along the circumferential direction of the sleeve. The guide groove and the moving groove are connected and the bottom depth of the guide groove is less than the bottom depth of the moving groove.

[0020] In at least one embodiment of this application, the limiting groove is disposed adjacent to the limiting member along the radial direction of the sleeve;

[0021] Along the axial direction of the sleeve, the sleeve includes a connecting portion, which is disposed between the limiting member and the limiting groove.

[0022] In at least one embodiment of this application, the cross-sectional diameter of the second fixing part is smaller than the cross-sectional diameter of the third fixing part, and the cross-sectional diameter of the first fixing part is equal to the cross-sectional diameter of the third fixing part.

[0023] In at least one embodiment of this application, the circumferential length of the moving groove is greater than the circumferential length of the guide groove.

[0024] The aforementioned knob-type connector includes a first connector and a connecting assembly. The connecting assembly includes a sleeve and a second connector that inserts into the sleeve. The first connector is sleeved on the outer circumferential surface of the second connector, while the sleeve is sleeved on the outer circumferential surface of the first connector. A limiting member is provided on the inner circumferential surface of the sleeve, which engages with an arc-shaped groove on the outer circumferential surface of the first connector. By rotating the sleeve, the limiting member can move within the arc-shaped groove. When the limiting member moves to the appropriate position in the arc-shaped groove, it can lock the first and second connectors together, thereby achieving quick locking and disengagement. This allows users to lock or disengage the connector with a simple rotational action, without the need for special tools, improving operational convenience, significantly saving time required for connection and disengagement, and greatly improving work efficiency. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of a knob-type connector in an embodiment of this application.

[0026] Figure 2 This is a cross-sectional schematic diagram of a knob-type connector according to an embodiment of this application.

[0027] Figure 3 This is a schematic diagram of the structure of the first connector.

[0028] Figure 4 This is a schematic diagram of the sleeve structure.

[0029] Figure 5 This is a schematic diagram of the cross-section of the sleeve.

[0030] Figure 6 This is a schematic diagram of the limiting component in the sleeve.

[0031] Figure 7 This is a schematic diagram of the sliding groove in the first connecting member.

[0032] Figure 8 This is a cross-sectional schematic diagram of the sleeve and the second connecting member.

[0033] Explanation of main component symbols

[0034] 100. A knob-type connector; 10. A first connector; 11. An arc-shaped groove; 111. An abutment groove; 112. A sliding groove; 111a. An abutment surface; 12. A first fixing part; 20. A connecting assembly; 21. A sleeve; 211. A limiting member; 212. A limiting groove; 2121. A guide groove; 2122. A moving groove; 21a. A connecting part; 22. A second connector; 221. A second fixing part; 222. A third fixing part; 223. A protrusion. Detailed Implementation

[0035] The embodiments of this application will now be described with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments.

[0036] It should be noted that when a component is considered to be "connected" to another component, it can be directly connected to the other component or may also have an intervening component. When a component is considered to be "placed" on another component, it can be directly placed on the other component or may also have an intervening component. The terms "top," "bottom," "upper," "lower," "left," "right," "front," "back," and similar expressions used in this article are for illustrative purposes only.

[0037] Embodiments of this application provide a knob-type connector, comprising:

[0038] The first connector has an arc-shaped groove on its outer peripheral surface;

[0039] A connecting assembly, the connecting assembly including a sleeve and a second connecting member inserted into the sleeve, the inner circumferential surface of the sleeve having a limiting member, the first connecting member being sleeved on the outer circumferential surface of the second connecting member, and the sleeve being sleeved on the outer circumferential surface of the first connecting member;

[0040] The limiting member is disposed within the arc-shaped groove and can move within the arc-shaped groove to clamp the first connecting member and the second connecting member.

[0041] The aforementioned knob-type connector includes a first connector and a connecting assembly. The connecting assembly includes a sleeve and a second connector that inserts into the sleeve. The first connector is sleeved on the outer circumferential surface of the second connector, while the sleeve is sleeved on the outer circumferential surface of the first connector. A limiting member is provided on the inner circumferential surface of the sleeve, which engages with an arc-shaped groove on the outer circumferential surface of the first connector. By rotating the sleeve, the limiting member can move within the arc-shaped groove. When the limiting member moves to the appropriate position in the arc-shaped groove, it can lock the first and second connectors together, thereby achieving quick locking and disengagement. This allows users to lock or disengage the connector with a simple rotational action, without the need for special tools, improving operational convenience, significantly saving time required for connection and disengagement, and greatly improving work efficiency.

[0042] The following detailed description of some embodiments of this application is provided in conjunction with the accompanying drawings. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0043] according to Figures 1-8 This application provides a knob-type connector 100, including: a first connector 10 and a connecting component 20.

[0044] The first connector 10 has an arc-shaped groove 11 on its outer peripheral surface; the connecting assembly 20 includes a sleeve 21 and a second connector 22 inserted into the sleeve 21, the inner peripheral surface of the sleeve 21 has a limiting member 211, the first connector 10 is sleeved on the outer peripheral surface of the second connector 22, and the sleeve 21 is sleeved on the outer peripheral surface of the first connector 10; wherein, the limiting member 211 is provided in the arc-shaped groove 11 and can move in the arc-shaped groove 11 to lock the first connector 10 and the second connector 22.

[0045] Specifically, the arc-shaped groove 11 is the core of the rapid locking and disengagement mechanism. It allows the limiting member 211 within the sleeve 21 to move along the groove during rotation, bringing it to the locked position. The guiding function of the arc-shaped groove 11 ensures that the limiting member 211 does not deviate from its path during movement, thus maintaining connection stability. The curvature of the arc-shaped groove 11 can be adjusted according to actual needs to adapt to connection requirements in different application scenarios. The limiting member 211 is integrally formed with the sleeve 21, or fixed to the sleeve 21 by welding or other means.

[0046] Furthermore, the first connector 10 and the second connector 22 are male or female connectors used in connectors. The sleeve 21 serves as a crucial bridge connecting the first connector 10 and the second connector 22. The second connector 22 is inserted into the sleeve 21. The sleeve 21 is fitted onto the outer circumferential surface of the first connector 10, and is locked in place by a limiting member 211 on its inner circumferential surface engaging with an arc-shaped groove 11 on the outer circumferential surface of the first connector 10. Quick locking can be achieved through rotation, improving connection efficiency. Furthermore, the tight fit between the limiting member 211 and the arc-shaped groove 11 effectively prevents the connector from loosening under vibration or impact conditions, ensuring stable performance of the connector during long-term use.

[0047] In summary, when the sleeve 21 is fitted onto the first connector 10, the limiting member 211 is at the starting position of the arc-shaped groove 11. Rotating the sleeve 21 causes the limiting member 211 to move along the groove of the arc-shaped groove 11 until it reaches the end position. At this point, the limiting member 211 is in close contact with the arc-shaped groove 11, preventing the sleeve 21 from rotating or moving relative to the first connector 10. If the connector needs to be separated, the user only needs to rotate the sleeve 21 in the opposite direction to move the limiting member 211 back to the starting position along the arc-shaped groove 11, and then the first connector 10 and the sleeve 21 can be easily separated. During equipment maintenance and repair, the knob-type connector allows for quick connection or disconnection of the circuit, facilitating the inspection and replacement of faulty components.

[0048] In one specific embodiment, the diameter of the opening of the arc-shaped groove 11 is greater than or equal to the cross-sectional diameter of the limiting member 211, and the depth of the bottom of the arc-shaped groove 11 is greater than or equal to the height of the limiting member 211.

[0049] Specifically, the diameter of the arc groove 11 is larger than the cross-sectional diameter of the limiting member 211, ensuring that the limiting member 211 can be smoothly and unobstructedly inserted into the arc groove 11. This prevents assembly difficulties or damage to the component due to mismatched diameters, and protects the edges of the limiting member 211 and the arc groove 11, thus extending the service life of the component.

[0050] Furthermore, the height of the limiting member 211 is the height of the limiting member 211 on the bottom surface with the inner circumferential surface of the sleeve 21 as the bottom surface. The limiting member 211 ensures that after the limiting member 211 can be fully inserted into the arc groove 11, its entire height can be accommodated by the groove, so that the inner circumferential surface of the sleeve 21 can fit with the outer circumferential surface of the first connecting member 10, thereby realizing the limiting function of stabilizing the sleeve 21 and the first connecting member 10.

[0051] In one specific embodiment, two arc-shaped grooves 11 are provided, and the two arc-shaped grooves 11 are symmetrically arranged along the axial extension direction of the first connector 10.

[0052] Specifically, two arc-shaped grooves 11 are provided on the first connecting member 10, and two corresponding limiting members 211 are also provided to match the arc-shaped grooves 11. The two symmetrical arc-shaped grooves 11 and the limiting members 211 can provide a more uniform support force when connecting the sleeve 21 and the first connecting member 10, reducing the deflection or shaking caused by a single limiting point. The two limiting members 211 provide a dual limiting mechanism, increasing the reliability and safety of the system.

[0053] Furthermore, the two arc-shaped grooves 11 are identical in the circumferential rotation direction of the first connector 10, so that the starting point, ending point, and the change in arc curvature between the two arc-shaped grooves 11 are consistent, ensuring that the rotation or movement behavior of the first connector 10 in both directions is consistent, and avoiding motion imbalance or deviation caused by the difference in the arc-shaped grooves 11.

[0054] In one specific embodiment, the arc-shaped groove 11 includes an abutment groove 111 and a sliding groove 112. The sliding groove 112 extends along the circumferential surface of the first connector 10. The abutment groove 111 is located at the extended end of the sliding groove 112, and the abutment groove 111 has an abutment surface 111a. The shape of the abutment surface 111a matches the arc shape of the outer circumferential surface of the limiting member 211.

[0055] Specifically, the sliding groove 112 guides the initial movement of the limiting member 211, while the abutment groove 111 provides stable contact and limiting upon reaching a predetermined position. The sliding groove 112 extends along the circumferential surface of the first connector 10, providing a smooth guide path for the limiting member 211, allowing it to move along the trajectory of the sliding groove 112. The abutment groove 111 is located at the end of the sliding groove 112, serving as the final stopping point for the limiting member 211. When the limiting member 211 moves to the end along the sliding groove 112, it enters and abuts against the abutment groove 111. The abutment surface 111a is the portion of the abutment groove 111 that directly contacts the limiting member 211; its shape matches the outer circumferential surface of the limiting member 211 to ensure good fit and stability. In this application, the limiting member 211 is a cylindrical structure. When the limiting member 211 slides to the abutting groove 111, the abutting surface 111a of the abutting groove 111 fits against the cylindrical limiting member 211, so that the abutting surface 111a presents a semi-circular arc shape.

[0056] Furthermore, when the first connecting member 10 rotates or moves relative to the sleeve 21, the limiting member 211 first moves smoothly along the sliding groove 112. As the limiting member 211 moves, it gradually approaches the end of the sliding groove 112 and eventually enters the abutment groove 111. In the abutment groove 111, the arc-shaped outer peripheral surface of the limiting member 211 is tightly fitted with the arc-shaped abutment surface 111a of the abutment groove 111, achieving stable limiting. When it is necessary to release the limiting position, the first connecting member 10 can be rotated or moved in the opposite direction to make the limiting member 211 exit the abutment groove 111 in the opposite direction and return to the starting position along the sliding groove 112.

[0057] In one specific embodiment, the first connector 10 has a first fixing part 12, which is fixedly disposed at the end of the first connector 10, and the arc-shaped groove 11 is disposed on the first fixing part 12; the second connector 22 has a second fixing part 221, which is fixedly disposed at the end of the second connector 22; wherein, the cross-sectional diameter of the first fixing part 12 is larger than the cross-sectional diameter of the second fixing part 221, and the first fixing part 12 is sleeved on the second fixing part 221.

[0058] Specifically, the first fixing part 12 in the first connector 10 is part of the connecting sleeve 21 and the second connector 22, and is used to fit the first fixing part 12 inside the sleeve 21 and the second connector 22, and to provide a position for the arc-shaped groove 11. The end of the first fixing part 12 is positioned to maximize the use of space, so that the first fixing part 12 fits inside the sleeve 21.

[0059] Furthermore, the second fixing part 221 serves as a support structure for the second connector 22 and is used to dock with the first fixing part 12. Similar to the first fixing part 12, the second fixing part 221 is also provided at the end of the second connector 22 to ensure effective docking with the first fixing part 12.

[0060] Furthermore, by designing fixing parts of different diameters, nested installation can be achieved, that is, the first fixing part 12 of the first connector 10 is sleeved on the second fixing part 221 of the second connector 22, so that the outer peripheral surface of the first fixing part 12 is exposed on the outside, so that the inner peripheral surface of the sleeve 21 can be sleeved on the first fixing part 12.

[0061] In one specific embodiment, the inner circumferential surface of the sleeve 21 is further provided with a limiting groove 212, the limiting groove 212 being located at one end of the inner circumferential surface of the sleeve 21 away from the limiting member 211; the second connecting member 22 also has a third fixing part 222, the third fixing part 222 being adjacent to and connected to the second fixing part 221, the third fixing part 222 having a protrusion 223, the protrusion 223 being disposed on the side close to the second fixing part 221, and the protrusion 223 being disposed in the limiting groove 212, and being able to move within the limiting groove 212 to clamp the second connecting member 22 and the sleeve 21.

[0062] Specifically, the limiting groove 212 is used to receive and constrain the protrusion 223 of the second connector 22. Through the cooperation between the limiting groove 212 and the protrusion 223, the accidental movement or detachment of the second connector 22 within the sleeve 21 can be effectively prevented. The limiting groove 212 allows the protrusion 223 to smoothly enter and move along it, facilitating adjustment and positioning during installation.

[0063] Furthermore, the positions of the limiting groove 212 and the limiting member 211 in the sleeve 21 are determined so that the sleeve 21 jointly constrains the second connecting member 22 and the first connecting member 10, thereby improving the overall stability of the connection and ensuring that the limiting groove 212 and the limiting member 211 do not interfere with each other in space, thus ensuring the smoothness of the connection.

[0064] Furthermore, the third fixing part 222, as part of the continuity between the second fixing part 221 and the second connecting member 22, makes the overall structure of the second connecting member 22 more compact. The protrusion 223 on the third fixing part 222 is used to cooperate with the limiting groove 212 of the sleeve 21. The protrusion 223 and the second connecting member 22 can be integrally formed, or they can be fixed to the first connecting member 10 by welding. When the sleeve 21 and the second connecting member 22 are fitted together, the protrusion 223 can smoothly enter the limiting groove 212 and move within it, achieving a locking between the second connecting member 22 and the sleeve 21. The mobility of the protrusion 223 within the limiting groove 212 allows the protrusion 223 to be adjusted during circumferential movement and to find a suitable position for locking within the moving groove.

[0065] In one specific embodiment, the limiting groove 212 includes a guide groove 2121 arranged along the axial direction of the sleeve 21 and a moving groove 2122 arranged along the circumferential direction of the sleeve 21. The guide groove 2121 and the moving groove 2122 are connected and arranged in communication, and the bottom depth of the guide groove 2121 is less than the bottom depth of the moving groove 2122.

[0066] Specifically, the guide groove 2121 is arranged axially along the sleeve 21 to guide the protrusion 223 of the second connector 22 into the moving groove 2122, thereby simplifying the installation process. The moving groove 2122 is arranged circumferentially along the sleeve 21 to receive the protrusion 223 that has entered the guide groove 2121, so that the protrusion 223 can move circumferentially within the moving groove 2122, realizing the adjustment of the relative position between them.

[0067] The guide groove 2121 is a boss extending from the inner circumference of the sleeve 21 towards the center of the sleeve 21. The guide groove 2121 is formed on the boss, while the moving groove 2122 is formed by an inward recess from the inner circumference of the sleeve 21. This gives the guide groove 2121 an additional protrusion relative to the inner wall of the sleeve 21, providing a clear guide path for the insertion of the protrusion 223. The formation of the moving groove 2122 provides additional space for the protrusion 223, allowing the protrusion 223 to move to a certain extent inside the sleeve 21 to lock the protrusion 223 within the moving groove 2122.

[0068] In one specific embodiment, along the radial direction of the sleeve 21, the limiting groove 212 and the limiting member 211 are arranged adjacent to each other; along the axial direction of the sleeve 21, the sleeve 21 includes a connecting portion 21a, which is disposed between the limiting member 211 and the limiting groove 212.

[0069] Specifically, the limiting groove 212 is located at the end of the inner circumferential surface of the sleeve 21 away from the limiting member 211, which forms a connecting portion 21a at the distance. The connecting portion 21a provides the necessary space and structural support for the axial movement between the sleeve 21 and the connecting member. The area of ​​the connecting portion 21a provides a movement area for the sleeve 21 on the first connecting member 10 by the distance the limiting member 211 slides along the arcuate groove 11 when the first connecting member 10 is inserted into the sleeve 21 axially. The limiting groove 212 (for the protrusion 223 of the second connecting member 22) and the limiting member 211 (for the arcuate groove 11 of the first connecting member 10) are arranged adjacent to each other in the radial direction of the sleeve 21, forming a spatially coupled locking mechanism.

[0070] In one specific embodiment, the cross-sectional diameter of the second fixing part 221 is smaller than the cross-sectional diameter of the third fixing part 222, and the cross-sectional diameter of the first fixing part 12 is equal to the cross-sectional diameter of the third fixing part 222.

[0071] Specifically, the second fixing part 221 (located at the end of the second connector 22) serves as an insertion guide, and its smaller diameter facilitates quick insertion into the inner cavity of the sleeve 21. The larger diameter of the third fixing part 222 (adjacent to the second fixing part 221) forms a stepped structure with the second fixing part 221, and cooperates with the sleeve 21 to provide radial restraint. The smaller diameter of the second fixing part 221 acts as a "probe" to guide the insertion direction, further securing the connection between the second connector 22 and the first connector 10, and preventing the first connector 10 from detaching from the second connector 22.

[0072] Furthermore, the cross-sectional diameter of the first fixing part 12 is equal to the cross-sectional diameter of the third fixing part 222. In the radial direction of the first connecting member 10 and the second connecting member 22, when the second fixing part 221 is fully inserted into the first fixing part 12, the first fixing part 12 will abut against the third fixing part 222, and the sleeve 21 will be sleeved on the first fixing part 12 and the third fixing part 222, so that the limiting member 211 on the sleeve 21 locks with the arc groove 11 of the first fixing part 12, and the limiting groove 212 on the sleeve 21 locks with the protrusion 223 of the third fixing part 222, thereby fixing the first connecting member 10 and the second connecting member 22.

[0073] In one specific embodiment, the circumferential length of the moving groove 2122 is greater than the circumferential length of the guide groove 2121.

[0074] Specifically, the circumferential length of the movable groove 2122 is designed to be greater than that of the guide groove 2121, providing a longer movement path for the protrusion 223 when it rotates circumferentially in the movable groove 2122. This longer circumferential stroke allows the protrusion 223 to fully engage with the bottom of the movable groove 2122, forming a deeper axial restraint and preventing accidental dislodgement due to vibration or external force. The movable groove 2122 is provided with interlocking grooves that engage with the protrusion 223, ensuring that the protrusion 223 remains locked within the movable groove 2122 as it rotates within it.

[0075] Therefore, the aforementioned knob-type connector 100 is designed to include a first connector 10 and a connecting assembly 20. The connecting assembly 20 includes a sleeve 21 and a second connector 22 that inserts into the sleeve 21. The first connector 10 is sleeved on the outer peripheral surface of the second connector 22, while the sleeve 21 is sleeved on the outer peripheral surface of the first connector 10. The inner peripheral surface of the sleeve 21 is provided with a limiting member 211, which is used to cooperate with an arc-shaped groove 11 opened on the outer peripheral surface of the first connector 10. By rotating the sleeve 21, the limiting member 211 can move within the arc-shaped groove 11. When the limiting member 211 moves to the appropriate position in the arc-shaped groove 11, it can lock the first connector 10 and the second connector 22 together, thereby achieving quick locking and disengagement. This allows users to lock or disengage the connector with a simple rotation action, without the need for special tools, improving the convenience of operation, significantly saving the time required for connection and disengagement, and greatly improving work efficiency.

[0076] The above description is merely an embodiment of this application. It should be noted that those skilled in the art can make improvements without departing from the inventive concept of this application, but these improvements all fall within the protection scope of this application.

Claims

1. A knob-type connector, characterized in that, include: The first connector has an arc-shaped groove on its outer peripheral surface; A connecting assembly, the connecting assembly including a sleeve and a second connecting member inserted into the sleeve, the inner circumferential surface of the sleeve having a limiting member, the first connecting member being sleeved on the outer circumferential surface of the second connecting member, and the sleeve being sleeved on the outer circumferential surface of the first connecting member; The limiting member is disposed within the arc-shaped groove and can move within the arc-shaped groove to clamp the first connecting member and the second connecting member.

2. A knob-type connector according to claim 1, characterized in that, The diameter of the arc-shaped groove opening is greater than or equal to the cross-sectional diameter of the limiting member, and the depth of the arc-shaped groove bottom is greater than or equal to the height of the limiting member.

3. A knob-type connector according to claim 1, characterized in that, The arc-shaped groove is provided in two parts, and the two arc-shaped grooves are symmetrically arranged along the axial extension direction of the first connector. The limiting member is also provided in two parts, which are symmetrically arranged on the sleeve, and each of the two limiting members corresponds to one of the arc-shaped grooves.

4. A knob-type connector according to claim 1, characterized in that, The arc-shaped groove includes an abutment groove and a sliding groove. The sliding groove extends along the circumferential surface of the first connector. The abutment groove is located at the extended end of the sliding groove and has an abutment surface. The shape of the abutment surface matches the arc shape of the outer circumferential surface of the limiting member.

5. A knob-type connector according to claim 1, characterized in that, The first connector has a first fixing part, which is fixedly disposed at the end of the first connector, and the arc-shaped groove is disposed on the first fixing part; The second connector has a second fixing part, which is fixedly disposed at the end of the second connector; Wherein, the cross-sectional diameter of the first fixing part is larger than the cross-sectional diameter of the second fixing part, and the first fixing part is sleeved on the second fixing part.

6. A knob-type connector according to claim 5, characterized in that, The inner circumferential surface of the sleeve is also provided with a limiting groove, which is located at the end of the inner circumferential surface of the sleeve away from the limiting member; The second connector also has a third fixing part, which is adjacent to and connected to the second fixing part. The third fixing part has a protrusion, which is located on the side close to the second fixing part and is located in the limiting groove. The protrusion can move in the limiting groove to lock the second connector and the sleeve.

7. A knob-type connector according to claim 6, characterized in that, The limiting groove includes a guide groove arranged along the axial direction of the sleeve and a moving groove arranged along the circumferential direction of the sleeve. The guide groove and the moving groove are connected and the bottom depth of the guide groove is less than the bottom depth of the moving groove.

8. A knob-type connector according to claim 6, characterized in that, Along the radial direction of the sleeve, the limiting groove is disposed adjacent to the limiting member; Along the axial direction of the sleeve, the sleeve includes a connecting portion, which is disposed between the limiting member and the limiting groove.

9. A knob-type connector according to claim 6, characterized in that, The cross-sectional diameter of the second fixing part is smaller than that of the third fixing part, and the cross-sectional diameter of the first fixing part is equal to that of the third fixing part.

10. A knob-type connector according to claim 7, characterized in that, The circumferential length of the moving groove is greater than the circumferential length of the guide groove.

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