Joint and connection structure

Abstract

The application discloses a kind of connector and connecting structure, it is related to connector design technical field, including male head and female head, female head is hollow structure, female head is fixedly provided with counterforce block in, the side wall of female head is provided with through slot structure, through slot structure includes helical through slot and locking through slot, male head includes slider, resisting piece, connector body and elastic piece, the both ends of elastic piece are respectively fixedly connected with resisting piece and connector body, slider is relatively fixed with connector body, resisting piece and connector body relatively slide, the outer wall of slider is fixedly provided with limit block, slider can be slid into the cavity of female head, limit block can be slid into helical through slot and finally be clamped into the end of locking through slot, and counterforce block can provide top contact force to slider, elastic piece can provide resisting piece with resisting force and make resisting piece resist in the first end of female head.The connecting structure provided by the application includes the connector as described above.The application has multiple anti-disengagement effects, and is convenient to install, and has anti-falling effect simultaneously.

Description

Technical Field

[0001] This invention relates to the field of connector design technology, and in particular to a butt joint and connection structure. Background Technology

[0002] In the fields of mechanical connection, rapid assembly, and precision docking technology, butt joints, as core components for achieving rapid assembly and reliable connection between parts, are widely used in mechanical equipment, tooling fixtures, precision instruments, pipeline connections, and various structural systems requiring frequent disassembly and assembly. Currently, the mainstream rapid docking structures are mainly threaded and snap-fit ​​types. However, in practical use, they generally suffer from common defects such as cumbersome operation, insufficient locking reliability, and lack of safety protection, specifically as follows: The threaded connector relies on the engagement of the threaded pair between the male and female connectors to achieve axial locking. It requires multiple circumferential tightenings to complete the full engagement, which involves many steps, is time-consuming and labor-intensive, and has low assembly efficiency. Moreover, the tightening process requires continuous application of axial preload, making it unsuitable for use in confined spaces, inconvenient operation, or when it is not advisable to apply axial force. It cannot meet the requirements for efficient and rapid docking.

[0003] The snap-fit ​​connector relies on the engagement of the elastic snap and the slot to achieve the connection. Although it eliminates the need for multiple tightening steps, a large axial impact or tightening force must be applied during locking to force the elastic snap to deform and engage with the slot. This has obvious limitations in applications such as precision docking, connection of lightweight components, and applications where axial impact is not advisable, and can easily cause component damage or docking failure. At the same time, the elasticity of the snap-fit ​​structure is easily affected by fatigue, wear, and temperature changes, and the locking stability decreases significantly after long-term use.

[0004] More critically, traditional butt joints generally lack multiple anti-loosening safety measures: most structures rely solely on single thread friction or a single set of snap-fit ​​mechanisms for locking, lacking effective secondary anti-loosening and reverse locking mechanisms. Under conditions of vibration, impact, alternating loads, or changes in load direction, they are highly susceptible to thread loosening, accidental snap-fitting, and other phenomena, leading to sudden unlocking of the joint, separation of the male and female ends, and potentially causing safety accidents such as component falls, equipment shutdowns, and pipeline leaks, posing serious safety hazards. Therefore, a butt joint and connection structure are urgently needed to solve the above-mentioned technical problems. Summary of the Invention

[0005] The purpose of this invention is to provide a connector and connection structure to solve the problems existing in the prior art, which has multiple anti-detachment effects, is easy to install, and also has an anti-fall effect.

[0006] To achieve the above objectives, the present invention provides the following solution: This invention provides a connector, including a male and a female connector. The female connector has a hollow structure, and a reaction block is fixedly disposed inside the female connector. A through-slot structure is formed on the side wall of the female connector, the through-slot structure including a spiral through-slot and a locking through-slot. The spiral through-slot starts from a first end of the female connector and ends in communication with the starting end of the locking through-slot. The end of the locking through-slot is disposed close to the first end of the female connector. The male connector includes a slider, an abutment, a connector body, and an elastic element. The two ends of the elastic element are respectively connected to the abutment and the connector body. The body is fixedly connected, the slider is fixed relative to the connector body, the abutting member slides relative to the connector body, the connector body is used to fixally connect with the part to be connected, the outer wall of the slider is fixedly provided with a limiting block, the slider can slide into the cavity of the female head, the limiting block can slide into the spiral through groove and finally be locked into the end of the locking through groove, and the reaction force top block can provide a top contact force to the slider, the elastic member can provide abutting force to the abutting member and make the abutting member abut against the first end of the female head.

[0007] In some embodiments, the first end of the female head is a flared opening, the diameter of which gradually decreases from the first end to the second end of the female head, and the diameter of the small end of the flared opening is larger than the diameter of the abutment.

[0008] In some embodiments, a central shaft is also included, one end of which is fixedly connected to the slider and the other end of which is fixedly connected to the connector body. The abutment is slidably sleeved on the central shaft, and the elastic element is sleeved on the central shaft.

[0009] In some embodiments, the abutting element is a frustum block, with the small end of the frustum block located close to the slider, and the large end fixedly connected to the end of the elastic element away from the connector body. The outer wall of the frustum block can fit against the inner wall of the flared opening.

[0010] In some embodiments, the elastic element is a first spring.

[0011] In some embodiments, the reaction block includes an abutment block and a second spring, one end of the second spring being fixedly disposed in the cavity of the female head, and the other end being fixedly connected to the abutment block.

[0012] In some embodiments, the limiting block is a cylindrical locking pin.

[0013] In some embodiments, two through-slot structures are symmetrically arranged on the side wall of the female head, and two cylindrical locking pins are symmetrically arranged on the outer circumference of the slider and distributed along the diameter direction. Each cylindrical locking pin can be slidably disposed in one of the through-slot structures.

[0014] In some embodiments, the cavity of the female head is a cylindrical cavity, and the slider is a cylindrical structure.

[0015] The present invention also provides a connection structure, including the connector described above.

[0016] The present invention achieves the following technical effects compared to the prior art: The connector provided by this invention, when in use, mates the male and female connectors. The slider slides into the cavity of the female connector, and the limiting block slides along the spiral groove, eventually sliding into the locking groove. The locking groove restricts the axial disengagement of the limiting block, forming the first anti-disengagement mechanism. The reaction force block abuts against the slider and provides a resisting force, causing the limiting block to tightly abut against the end of the locking groove. Due to the presence of the resisting force, there is a large friction between the limiting block and the groove wall of the locking groove, making it difficult for the limiting block to loosen. The resisting force of the reaction force block acts on the slider, forming the second anti-disengagement mechanism. After the connection is completed, the elastic element is in a compressed state and provides a rebound force, causing the abutting element to tightly fit against the end face of the first end of the female connector, providing a pre-tightening force. The abutting element disengages outward, further preventing the slider from disengaging outward, forming the third anti-disengagement mechanism. The three anti-disengagement mechanisms ensure that the connection between the male and female connectors will never loosen, resulting in high connection reliability. Furthermore, when the male and female connectors are used horizontally, the elastic element provides resistance to the contacting element, resulting in significant friction between the contacting element and the end face of the female connector. This friction prevents the contacting element from shifting downwards, thus preventing the male connector from falling and providing excellent anti-fall protection. This ensures high coaxiality between the male and female connectors, facilitating mating in precision applications. Moreover, during mating and locking, align the male connector's limiting block with the entrance of the female connector's spiral groove, push it in slightly axially, and then rotate the male connector. The limiting block slides along the spiral groove, simultaneously pulling the male connector into the female connector. Upon reaching the end point, the limiting block falls into the locking groove, completing the mating. Compared to threaded connections, the spiral groove design requires only a small rotation to lock, making installation highly convenient. For unlocking and separation, rotate the male connector in the opposite direction. The limiting block retracts along the spiral groove to the entrance. Due to the rebound force of the elastic element, the connector body is gently pushed away, making unlocking equally convenient and effortless. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram illustrating the unlocking and separation of the male and female connectors in some embodiments of the present invention; Figure 2This is a schematic diagram of the docking and locking of the male and female heads in some embodiments of the present invention.

[0019] In the diagram: 101-male head; 102-female head; 1-slider; 2-limiting block; 3-abutting component; 4-elastic component; 5-central shaft; 6-connector body; 7-reaction block; 8-spiral groove; 9-locking groove; 10-flare mouth. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] The purpose of this invention is to provide a connector and connection structure to solve the problems existing in the prior art, which has multiple anti-detachment effects, is easy to install, and also has an anti-fall effect.

[0022] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0023] Example 1 like Figures 1-2 As shown, the present invention provides a connector, including a male connector 101 and a female connector 102. The female connector 102 has a hollow structure, and a reaction block 7 is fixedly installed inside the female connector 102. The side wall of the female connector 102 has a through groove structure, which includes a spiral through groove 8 and a locking through groove 9. The spiral through groove 8 starts from the first end of the female connector 102 and ends in communication with the starting end of the locking through groove 9. The end of the locking through groove 9 is located close to the first end of the female connector 102. The male connector 101 includes a slider 1, an abutment member 3, a connector body 6, and an elastic member 4. The elastic member 4... Both ends are fixedly connected to the abutment 3 and the connector body 6 respectively. The slider 1 is fixed relative to the connector body 6, and the abutment 3 slides relative to the connector body 6. The connector body 6 is used to fix the connection to the part to be connected. The outer wall of the slider 1 is fixedly provided with a limiting block 2. The slider 1 can slide into the cavity of the female head 102. The limiting block 2 can slide into the spiral through groove 8 and finally be locked into the end of the locking through groove 9. The reaction force top block 7 can provide a top contact force to the slider 1. The elastic member 4 can provide a resisting force to the abutment 3 and make the abutment 3 abut against the first end of the female head 102.

[0024] In use, the male connector 101 is aligned with the female connector 102. The slider 1 slides into the cavity of the female connector 102, and the limiting block 2 slides along the spiral groove 8 and eventually slides into the locking groove 9. The locking groove 9 restricts the axial disengagement of the limiting block 2, forming the first anti-disengagement mechanism. The reaction block 7 abuts against the slider 1 and provides a resisting force, causing the limiting block 2 to abut tightly against the end of the locking groove 9. Due to the presence of the resisting force, there is a large friction between the limiting block 2 and the groove wall of the locking groove 9, making it difficult for the limiting block 2 to loosen. The resisting force of the reaction block 7 acts on the slider 1 to form the second anti-disengagement mechanism. After docking, the elastic element 4 is compressed and provides a rebound force, causing the contact element 3 to fit tightly against the end face of the first end of the female connector 102, providing a pre-tightening force. The contact element 3 then disengages outward, further preventing the slider 1 from disengaging, forming a third anti-disengagement mechanism. These three anti-disengagement mechanisms ensure that the connection between the male connector 101 and the female connector 102 will never loosen, resulting in high connection reliability. Furthermore, when the male connector 101 and the female connector 102 are used in a horizontal state, the elastic element 4 provides a resisting force to the contact element 3, resulting in significant friction between the contact element 3 and the end face of the female connector 102. Under the action of this friction, the contact element 3 will not move downward, thus preventing the male connector 101 from falling. This provides a good anti-fall effect and ensures a high degree of coaxiality between the male connector 101 and the female connector 102, facilitating docking in precision applications. Furthermore, during the locking process, align the limiting block 2 of the male connector 101 with the entrance of the spiral groove 8 of the female connector 102, push it in axially slightly, and then rotate the male connector 101. The limiting block 2 slides along the spiral groove 8, while the male connector 101 is pulled into the female connector 102. When the rotation reaches the end point, the limiting block 2 falls into the locking groove 9, completing the connection. Compared to threaded connections, the spiral groove 8 does not require multiple turns; a small angle rotation is sufficient to lock it, making installation highly convenient. During unlocking and separation, rotate the male connector 101 in the opposite direction. The limiting block 2 retracts along the spiral groove 8 back to the entrance. Due to the rebound force of the elastic element 4, the connector body 6 is gently pushed away, making unlocking equally convenient and effortless.

[0025] It should be noted that the spiral through groove 8 is actually an arc-shaped through groove, and the rotation angle of the end relative to the head end will not exceed 180 degrees, generally between 30 and 90 degrees.

[0026] In some embodiments, the first end of the female connector 102 is a flared opening 10. The diameter of the flared opening 10 gradually decreases from the first end to the second end of the female connector 102, and the diameter of the small end of the flared opening 10 is larger than the diameter of the contact member 3. The flared opening 10 gradually decreases in diameter from the outside to the inside, forming a tapered guide surface. Even if there is slight eccentricity or tilt when the male connector 101 is inserted, it can be automatically guided to the center position by the flared opening 10, achieving rapid automatic alignment. It can be inserted smoothly without precise alignment, significantly reducing the difficulty of docking. It is especially suitable for one-handed operation, confined spaces, or visually limited scenarios. Under the action of the elastic member 4, the contact member 3 always adheres tightly to the inner wall of the flared opening 10. The tapered surface of the flared opening 10 can continuously constrain the contact member 3 to maintain its center position, structurally ensuring high coaxiality between the male connector 101 and the female connector 102, avoiding radial wobbling, eccentricity, and deflection. It is particularly suitable for precision transmission and precision connection applications with high requirements for coaxiality and concentricity. During horizontal docking, the contacting part 3, under the pre-tightening force of the elastic part 4, presses against the conical surface of the flared end 10, forming an annular surface contact. The contact area is much larger than that of a planar contact, resulting in greater friction and more effective resistance to the male end 101's own weight, ensuring stability and preventing sagging or wobbling during long-term horizontal use. The guiding, centering, and friction-enhancing functions of the flared end 10, together with the locking of the limiting block 2, the tightening of the reaction block 7, and the pre-tightening of the elastic part 4, form a synergistic effect, allowing the entire connector to achieve quick assembly and disassembly while ensuring a more stable connection, more accurate positioning, and never loosening.

[0027] In some embodiments, the male connector 101 further includes a central shaft 5, one end of which is fixedly connected to the slider 1, and the other end is fixedly connected to the connector body 6. An abutment 3 is slidably sleeved on the central shaft 5, and an elastic element 4 is sleeved on the central shaft 5. Both the abutment 3 and the elastic element 4 are sleeved on the central shaft 5, ensuring that the abutment 3 can only reciprocate linearly along the central shaft 5, without radial wobbling, tilting, or eccentricity. This ensures that the abutment 3 is always coaxially fitted with the end face of the female connector 102, further improving the coaxiality of the male connector 101 and the female connector 102. The elastic element 4 is directly sleeved on the central shaft 5 and is limited and aligned by the central shaft 5. During compression and rebound, it will not bend, deviate, or twist. The preload is always uniformly output along the axial direction, ensuring that the pressing force of the abutment 3 on the end face of the female connector 102 is stable and consistent, making the third anti-detachment mechanism more reliable. The contact element 3 uses the central axis 5 as a sliding guide, resulting in a small sliding gap and high guiding precision. This ensures smooth movement throughout the entire process of pushing in, rotating, and rebounding, without any jamming or stiffness. This makes docking smoother and unlocking gentler, improving both the user experience and structural stability. The central axis 5 is located at the center of the male connector 101, ensuring that the clamping force of the contact element 3, the preload of the elastic element 4, and the force on the slider 1 are all symmetrically distributed along the axis of the male connector 101. When used horizontally, this further suppresses the male connector 101 from sagging or tilting, maintaining higher coaxiality and making it more suitable for docking precision equipment.

[0028] In some embodiments, the abutment 3 is a frustum block, with its small end positioned close to the slider 1 and its large end fixedly connected to the end of the elastic element 4 away from the connector body 6. The outer wall of the frustum block can fit against the inner wall of the flared opening 10. The outer wall of the frustum block and the inner wall of the flared opening 10 are in conical contact, which automatically guides the male connector 101 and the female connector 102 to align during docking, ensuring that they are always on the same axis without radial wobble, eccentricity, or tilting. The frustum block and the flared opening 10 have an annular surface contact, with a contact area much larger than that of a plane or point contact. Under the pre-tightening force of the elastic element 4, a huge frictional force is generated, which can prevent the male connector 101 from rotating and loosening, and can also effectively resist the male connector 101 from falling under its own weight when used horizontally, resulting in a significant anti-fall effect. The small end of the frustum block faces the slider 1, forming a natural guiding structure. It cooperates with the flared opening 10 to achieve guidance, then fit, and finally lock. The insertion process is smooth and without scraping. Even if there is a small amount of eccentricity, it can be smoothly inserted, greatly reducing the difficulty of docking. During unlocking, the elastic element 4 applies force evenly through the conical surface of the frustum block, allowing the male head 101 to exit smoothly and gently without jamming, bouncing, or impact, thus protecting the precision components.

[0029] In some embodiments, the elastic element 4 is a first spring. The spring is a standard, universal elastic component, technologically mature, simple to process, and cost-effective. It can be used simply by fitting it onto the central shaft 5, without requiring a customized elastic structure, thus reducing production and assembly costs. The first spring provides continuous, linear, and stable elastic restoring force, ensuring that the contact element 3 is always reliably pressed against the inner wall of the female connector 102's flared opening 10, guaranteeing the stable operation of the third anti-disengagement mechanism. Simultaneously, it provides sufficient friction during horizontal use, ensuring reliable anti-fall and anti-loosening effects. The spring is compressed during docking and rebounds during unlocking, with a large stroke range. It can automatically compensate for machining errors, assembly gaps, and wear between the male connector 101 and the female connector 102, always maintaining a pre-tightened state to ensure the connection is neither loose nor wobbly.

[0030] It should be noted that the elastic element 4 can also be made of elastic silicone pillars, elastic rubber pillars, etc.

[0031] In some embodiments, the reaction block 7 includes an abutment block and a second spring. One end of the second spring is fixedly disposed in the cavity of the female connector 102, and the other end is fixedly connected to the abutment block. The reaction block 7 consists of an abutment block and a second spring. The second spring is always in a pre-compressed state, which can continuously and stably apply axial contact force to the slider 1, so that the limiting block 2 is tightly pressed against the end of the locking through groove 9, increasing the friction force, realizing passive self-locking, preventing loosening and detachment, and further improving the reliability of docking. The elasticity of the second spring can automatically compensate for the dimensional error, fitting clearance and wear caused by long-term use between the male connector 101 and the female connector 102, always ensuring that the limiting block 2 and the locking through groove 9 are in a gap-free fit, avoiding loosening, play, and abnormal noise, and ensuring stable and reliable connection throughout the process. The abutment block and the second spring form an elastic buffer structure, so that the male connector 101 will not have a rigid collision when inserted, effectively buffering the impact and vibration, protecting the precision fitting parts such as the slider 1, the limiting block 2, and the through groove, and extending the service life of the connector. The second spring provides stable elastic force within a certain stroke, maintaining a constant clamping force even with slight differences in the insertion depth of the male connector 101. This results in higher tolerance for machining tolerances and assembly deviations, and lower assembly difficulty. The first spring in the male connector 101 and the second spring in the female connector 102 form a two-way elastic pre-tightening at both ends: one end clamps the limiting block 2 to prevent loosening, and the other end clamps the contact piece 3 to prevent dislodgement. The dual pre-tightening forces work together to ensure that the entire connector will never loosen under vibration, impact, or alternating loads.

[0032] In some embodiments, the limiting block 2 is a cylindrical locking pin. The cylindrical locking pin has a circular outer contour and makes line contact with the spiral through groove 8 and the locking through groove 9, making it less prone to jamming. The male head 101 moves gently and smoothly during the pushing, rotating, and locking processes. The cylindrical surface is smooth and has no sharp corners, so it will not scratch or wear the groove wall when sliding in the spiral through groove 8, avoiding groove deformation and hole enlargement that could lead to locking failure, resulting in higher stability over long-term use.

[0033] In some embodiments, two through-slot structures are symmetrically arranged on the sidewall of the female head 102, and two cylindrical locking pins are symmetrically arranged on the outer circumference of the slider 1 and distributed along the diameter direction. Each cylindrical locking pin can slide within a through-slot structure. The two cylindrical locking pins and the two through-slot structures are symmetrically arranged along the diameter, ensuring that the circumferential force is completely balanced during docking and under stress, preventing the male head 101 from skewing, warping, or radial wobbling due to unilateral force, and maintaining excellent coaxiality. The double limiting blocks bear the load symmetrically, with the load shared by the two locking pins, significantly improving resistance to torsion, axial tension, and shear, reducing the likelihood of single locking pin breakage or slot damage, and resulting in higher overall connection strength and reliability. The two symmetrical locking pins slide simultaneously along the symmetrical through-slots, forming a double-sided synchronous guide, naturally possessing a forced centering function. The male and female heads 102 will not be eccentric or jammed during docking, and the guiding accuracy is far higher than that of a single-slot, single-pin structure. The symmetrical double-limit locking structure forms a double circumferential locking, which can effectively limit the rotation of the male head 101 relative to the female head 102. It will not rotate and loosen under vibration and impact environments, and its anti-loosening reliability is much higher than that of single-point locking.

[0034] In some embodiments, the cavity of the female connector 102 is a cylindrical cavity, and the slider 1 has a cylindrical structure. The cylindrical slider 1 and the cylindrical cavity have a full circumferential clearance fit, which naturally ensures high concentricity and coaxiality between the male connector 101 and the female connector 102, with no radial wobble or tilting. The cylindrical surface has a rotationally symmetrical structure, so the resistance is minimal and the movement is smooth when the male connector 101 rotates within the female connector 102.

[0035] Example 2 This embodiment also provides a connection structure, including the butt joint from Embodiment 1. Due to the use of the aforementioned butt joint, a three-stage coaxial centering mechanism is formed through flared-mouth guiding centering, cylindrical surface mating centering, and symmetrical double-limiting blocks forcibly centering. This ensures high concentricity, no eccentricity, no wobble, and no radial sway after the connected parts are mated, making it particularly suitable for precision shafts, precision rods, precision instruments, and other scenarios with stringent coaxiality requirements. This connection structure forms three independent anti-detachment mechanisms through the limiting snap-fit ​​of the butt joint, the tightening of the reaction force block, and the pre-tightening of the elastic element end face. Under conditions of vibration, impact, alternating loads, and long-term use, it maintains stable locking, preventing loosening, backing away, and rotation. The connection safety and reliability are significantly higher than ordinary threaded connections, snap-fit ​​connections, and pin connections.

[0036] Specific examples have been used to illustrate the principles and implementation methods of this invention. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of this invention. Furthermore, those skilled in the art will recognize that, based on the ideas of this invention, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of this invention.

Claims

1. A connector, characterized in that: The device includes a male connector and a female connector. The female connector has a hollow structure and a reaction block is fixedly installed inside. The side wall of the female connector has a through-slot structure, which includes a spiral through-slot and a locking through-slot. The spiral through-slot starts from the first end of the female connector and ends in communication with the starting end of the locking through-slot. The end of the locking through-slot is located close to the first end of the female connector. The male connector includes a slider, an abutment, a connector body, and an elastic element. The two ends of the elastic element are fixedly connected to the abutment and the connector body, respectively. The slider is fixed relative to the connector body, the abutting member slides relative to the connector body, the connector body is used to fix the connection with the part to be connected, a limiting block is fixedly provided on the outer wall of the slider, the slider can slide into the cavity of the female head, the limiting block can slide into the spiral through groove and finally be locked into the end of the locking through groove, and the reaction force top block can provide a top contact force to the slider, the elastic member can provide a resisting force to the abutting member and make the abutting member abut against the first end of the female head.

2. The connector according to claim 1, characterized in that: The first end of the female head is a flared opening, and the diameter of the flared opening gradually decreases from the first end of the female head to the second end of the female head. The diameter of the small end of the flared opening is larger than the diameter of the abutment.

3. The connector according to claim 2, characterized in that: It also includes a central shaft, one end of which is fixedly connected to the slider and the other end of which is fixedly connected to the connector body. The abutment is slidably sleeved on the central shaft, and the elastic element is sleeved on the central shaft.

4. The connector according to claim 3, characterized in that: The abutting element is a frustum block, with the small end of the frustum block located close to the slider, and the large end fixedly connected to the end of the elastic element away from the connector body. The outer wall of the frustum block can fit against the inner wall of the flared mouth.

5. The connector according to claim 1, characterized in that: The elastic element is a first spring.

6. The connector according to claim 1, characterized in that: The reaction block includes an abutment block and a second spring. One end of the second spring is fixedly disposed in the cavity of the female head, and the other end is fixedly connected to the abutment block.

7. The connector according to claim 1, characterized in that: The limiting block is a cylindrical locking pin.

8. The connector according to claim 7, characterized in that: Two through-slot structures are symmetrically arranged on the side wall of the female head, and two cylindrical locking pins are symmetrically arranged on the outer circumference of the slider and distributed along the diameter direction. Each cylindrical locking pin can be slidably disposed in one of the through-slot structures.

9. The connector according to claim 1, characterized in that: The cavity of the female head is a cylindrical cavity, and the slider is a cylindrical structure.

10. A connection structure, characterized in that: Includes the connector as described in any one of claims 1-9.

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