Adjustable communication transmission equipment connector

Abstract

The invention discloses an adjustable communication transmission equipment connector, and relates to the field of communication connectors, the adjustable communication transmission equipment connector comprises a first connector and a second connector, the first connector and the second connector are mutually plugged to form electrical connection to transmit signals, the left side of the first connector is detachably connected with a first connecting end, and the right side of the second connector is detachably connected with a second connecting end. The right side of the second connector is detachably connected with a second connecting end, the outer ends of the first connecting end and the second connecting end are connected with the transmission line, and the inner ends of the first connecting end and the second connecting end are electrically connected with the first connector and the second connector respectively. According to the adjustable communication transmission equipment connector, through the arrangement of the flexible adjusting sleeve, the direction and the position of a wire harness can be flexibly adjusted at a certain angle after the first connector and the second connector are in butt joint, butt joint of the first connector and the second connector cannot be affected, and the flexible adjusting sleeve is positioned in cooperation with the butt joint fastening sleeve shell; and the flexible adjusting sleeve can be kept stable before the first connector and the second connector are in butt joint.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of communication connector, in particular to an adjustable communication transmission equipment connector. BACKGROUND

[0002] In the construction and maintenance of modern communication networks, stable and reliable connection between communication transmission equipment is the key to ensure efficient signal transmission. When connecting the wire harness, the connector can be used to make flexible docking adjustment. The connector is generally connected by insertion.

[0003] Prior art 1 (Chinese patent with application number CN202323128515.3, published on June 4, 2024) is a communication transmission equipment connector, which includes a male plug, the male plug includes a connecting plug, the connecting plug is fixedly connected with a first outer baffle, and the two sides of the top of the first outer baffle are both installed with a connecting mechanism; a female plug, the female plug includes a connecting socket matched with the connecting plug, and the connecting socket is fixedly connected with a second outer baffle. The connecting plug is inserted into the connecting socket, and in the insertion process, the connecting block is inserted into the connecting groove, and the inner wall of the connecting groove extrudes the inclined surface of the arc-shaped clamping block, so that the arc-shaped clamping block is contracted, and when the arc-shaped clamping block moves to the position of the clamping groove, the arc-shaped clamping block is clamped into the corresponding clamping groove under the elastic force of the clamping spring, so that the male plug and the female plug are conveniently and stably connected, and the loosening between the male plug and the female plug during use is avoided, so that the stable transmission of data is ensured; Prior art 2 (Chinese patent with application number CN202510314786.2, published on June 10, 2025) is a high-temperature-resistant connector for communication transmission equipment, which includes a male plug and a female plug. The pull block drives the pull rod to move, and at the same time, the first spring is deformed. The pull rod drives one transmission rack to rotate, the transmission rack drives the transmission gear to rotate, thereby driving the other transmission rack to move. The transmission rack drives the connecting block to move, and the connecting block drives the embedded block to move. When the female plug is connected with the male plug, the connecting block is inserted into the connecting groove, and then the pull block is loosened. At this time, the first spring restores the deformation, the embedded block is inserted into the embedded hole, the female plug is connected and fixed with the male plug, the connection stability between the male plug and the female plug is enhanced, the external force interference such as vibration and impact can be effectively resisted, the connection loosening phenomenon is reduced, the stable transmission of communication signal is ensured, and the system communication quality is improved.

[0004] Although the current connector can realize the butt joint transmission of the wire harness, and has a locking mechanism after butt joint, the connection direction of the connector and the wire harness is generally fixed, that is, the connection is generally in the same linear direction. When encountering a narrow or wall position, the length of the one end of the wire harness and the connector is large, which causes the wire harness to need to be bent, and the connector is also stressed. With the increase of time, the butt joint is easily damaged, and the wire harness and the connector cannot be replaced separately, and subsequent replacement and maintenance are time-consuming. SUMMARY

[0005] The purpose of the present application is to provide an adjustable communication transmission equipment connector to solve the problem that the connection direction of the current connector and the wire harness is generally fixed, that is, the connection is generally in the same linear direction. When encountering a narrow or wall position, the length of the one end of the wire harness and the connector is large, which causes the wire harness to need to be bent, and the connector is also stressed. With the increase of time, the butt joint is easily damaged, and the wire harness and the connector cannot be replaced separately.

[0006] To achieve the above purpose, the present application provides the following technical scheme: an adjustable communication transmission equipment connector, comprising a first connector and a second connector, the first connector and the second connector are inserted into each other to form an electrical connection, and the signal is transmitted, a first connection end is detachably connected to the left side of the first connector, a second connection end is detachably connected to the right side of the second connector, and the outer end of the first connection end and the second connection end is connected to a transmission line, and the inner end is respectively connected to the first connector and the second connector to form an electrical connection, an auxiliary block is arranged on the left side of the first connector, the first connector is connected to the first connection end through the auxiliary block, a flexible adjusting sleeve is arranged between the auxiliary block and the first connector, and a transmission flexible wire is arranged between the auxiliary block and the first connector, the auxiliary block is moved and adjusted on the outer end of the first connector through the flexible adjusting sleeve, and a anti-dropping mechanism is arranged on the outer side of the first connector to limit the connection of the first connector and the second connector.

[0007] Further optimize the technical scheme, the anti-dropping mechanism comprises a butt joint fastening sleeve, the butt joint fastening sleeve is in threaded connection with the first connector and the second connector, and the butt joint fastening sleeve is positioned with the auxiliary block and the first connector after moving to the left.

[0008] Further optimize the technical scheme, a foolproof block is fixed to the left side of the second connector, a groove corresponding to the foolproof block is formed in the right side of the first connector, and the foolproof block and the groove are connected to limit the butt joint direction of the first connector and the second connector.

[0009] Further optimize the technical scheme, a blocking mechanism is arranged in the first connector to block the movement of the butt joint fastening sleeve on the first connector.

[0010] Further optimize the technical scheme, the blocking mechanism includes a positioning block, the positioning block is arranged in the first connector, the upper end of the positioning block penetrates the upper surface of the first connector, the rotation of the docking fastening sleeve on the first connector is limited, and the positioning block and the first connector form an up-down sliding structure, and a first spring is fixed below the positioning block to provide a pushing force for the positioning block, an extrusion groove is formed in the inside of the positioning block, and the left end of the fool-proof block is designed in an inclined structure.

[0011] Further optimize the technical scheme, the first connecting end and the auxiliary block are provided with a first docking mechanism, and the first connecting end is connected with the auxiliary block through the first docking mechanism.

[0012] Further optimize the technical scheme, the first docking mechanism includes a first docking block, a first positioning groove, a clamping block, a second spring and a trigger plate. The first docking block is fixed to the right side of the first connecting end, and the first docking block and the auxiliary block form a concave-convex matching structure to position the connection direction of the auxiliary block and the first connecting end. The first positioning groove is formed below the first docking block. The clamping block is arranged in the inside of the auxiliary block, and the clamping block and the first positioning groove form a clamping structure. The second spring is arranged below the clamping block to provide an upward pushing force for the clamping block. The trigger plate is connected with the clamping block, the upper end of the trigger plate penetrates the upper surface of the auxiliary block, and the upper end of the trigger plate is designed in an inclined structure.

[0013] Further optimize the technical scheme, the second connecting end and the second connector are provided with a second docking mechanism, and the second connecting end is connected with the second connector through the second docking mechanism.

[0014] Further optimize the technical scheme, the second docking mechanism includes a second docking block, a second positioning groove, a limiting block and a third spring. The second docking block is fixed to the left side of the second connecting end, and the second docking block and the second connector form a concave-convex matching structure. The second positioning groove is formed in the inside of the second docking block. The limiting block is arranged in the inside of the second connector and forms an up-down sliding structure with the second connector, the lower end of the limiting block is clamped with the second positioning groove, the upper end of the limiting block penetrates the outer surface of the second connector, and the upper end of the limiting block is designed in an inclined structure. The third spring is arranged outside the limiting block to provide an upward pushing force for the limiting block.

[0015] To further optimize this technical solution, an auxiliary sleeve is provided at the outer end of the limiting block to provide a squeezing effect for the limiting block, and a fourth spring is provided at the right end of the auxiliary sleeve to provide a thrust for the auxiliary sleeve. A guide rod is fixed on the right side of the auxiliary sleeve, and a horizontal sliding structure is formed between the guide rod and the second connector.

[0016] Compared with the prior art, the beneficial effects of the present invention are: 1. The flexible adjustment sleeve allows for flexible adjustment of the direction and position of the wire harness after the first and second connectors are docked, without affecting the docking of the first and second connectors. Furthermore, the flexible adjustment sleeve is positioned in conjunction with the docking fastening sleeve, ensuring that the flexible adjustment sleeve remains stable before docking of the first and second connectors, facilitating docking.

[0017] 2. The connection is made with the external wiring harness through the first and second connecting ends. The first connecting end, the auxiliary block, the second connecting end, and the second connector are all detachable. The first connector or the second connector can be replaced after the connection is disconnected. This allows for quick replacement of different types of connectors and also allows for quick replacement of individual connectors when they are damaged.

[0018] 3. The anti-fool block ensures accurate docking of the first and second connectors. After docking, the anti-fool block controls the movement of the positioning block, releasing its obstruction and allowing the subsequent fastening sleeve to move smoothly, thus limiting the connection between the first and second connectors.

[0019] 4. The connection between the first connecting end and the auxiliary block can be locked by the connection between the locking block and the first positioning groove. The locking can be completed automatically after the docking fastening sleeve moves. After the docking fastening sleeve is reset, the first connecting head and the second connecting head are disconnected, thus releasing the connection between the first connecting end and the auxiliary block.

[0020] 5. After the first connector and the second connector are connected by the fastening sleeve, the fastening sleeve can squeeze the limiting block to connect with the second positioning groove, thereby limiting the connection between the second connector and the second connector, so that the docking position of the product remains stable and will not separate or fall off when pulled. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0022] Figure 2 This is a side view of the structure of the present invention.

[0023] Figure 3 This is a schematic diagram of the disassembled structure of the present invention.

[0024] Figure 4 It is a side view structure schematic diagram of the first connecting head of the application.

[0025] Figure 5 It is a three-dimensional structure schematic diagram of the first connecting end of the application.

[0026] Figure 6 It is a three-dimensional structure schematic diagram of the auxiliary block of the application.

[0027] Figure 7 It is a main section structure schematic diagram of the first connecting head of the application.

[0028] Figure 8 It is a three-dimensional structure schematic diagram of the second connecting head of the application.

[0029] Figure 9 It is a main section structure schematic diagram of the second connecting head of the application.

[0030] Figure 10 It is a main section structure schematic diagram of the connection between the first connecting head and the second connecting head of the application.

[0031] In the figure: 1, first connecting head; 2, second connecting head; 3, first connecting end; 4, second connecting end; 5, flexible adjusting sleeve; 6, auxiliary block; 7, transmission soft wire; 8, butt fastening sleeve; 9, positioning stop block; 901, extrusion groove; 10, first spring; 11, foolproof block; 12, first butt block; 13, first positioning groove; 14, clamping block; 15, second spring; 16, trigger plate; 17, second butt block; 18, second positioning groove; 19, limiting block; 20, third spring; 21, auxiliary sleeve; 22, fourth spring; 23, guide rod. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0033] Embodiment one: the application provides the following technical solution: an adjustable communication transmission equipment connector, like Figures 1-3As shown, including the first connector 1 and the second connector 2, the first connector 1 and the second connector 2 are inserted into each other to form an electrical connection, and the signal is transmitted. The left side of the first connector 1 is detachably connected to the first connecting end 3, and the right side of the second connector 2 is detachably connected to the second connecting end 4. The outer end of the first connecting end 3 and the second connecting end 4 is connected to the transmission line, and the inner end is respectively connected to the first connector 1 and the second connector 2 to form an electrical connection. The left side of the first connector 1 is provided with an auxiliary block 6, and the first connector 1 is connected to the first connecting end 3 through the auxiliary block 6. A flexible adjusting sleeve 5 is arranged between the auxiliary block 6 and the first connector 1, and a transmission soft wire 7 is arranged between the auxiliary block 6 and the first connector 1. The auxiliary block 6 moves and adjusts on the outer end of the first connector 1 through the flexible adjusting sleeve 5. The outer side of the first connector 1 is provided with an anti-dropping mechanism to limit the connection of the first connector 1 and the second connector 2.

[0034] In use, the external wiring harness is connected to the first connecting end 3 and the second connecting end 4, the first connecting end 3 is electrically connected to the auxiliary block 6, and the second connecting end 4 is electrically connected to the second connector 2, as shown. Figure 3 As shown, the subsequent release of its connection can replace the first connector 1 or the second connector 2 alone, which is more convenient to operate. The first connecting end 3 and the second connecting end 4 are both provided in a split combination, which is convenient for disassembly and connection with the wiring harness. After the first connector 1 and the second connector 2 are connected, the direction of the first connecting end 3 can be adjusted through the arrangement of the flexible adjusting sleeve 5, so as to adapt to different connection use scenarios and avoid damage to the connection between the first connector 1 and the second connector 2.

[0035] Example two: based on example one, as shown in Figures 4-8 The anti-dropping mechanism further comprises a docking fastening sleeve 8, which is threadedly connected between the first connector 1 and the second connector 2. The docking fastening sleeve 8 positions the auxiliary block 6 and the first connector 1 after moving to the left. The left side of the second connector 2 is fixed with a foolproof block 11, and the right side of the first connector 1 is provided with a groove corresponding to the foolproof block 11. The foolproof block 11 and the groove are connected to each other to limit the docking direction of the first connector 1 and the second connector 2. The first connector 1 is provided with a blocking mechanism to block the movement of the docking fastening sleeve 8 on the first connector 1. The blocking mechanism comprises a positioning block 9 arranged in the first connector 1. The upper end of the positioning block 9 penetrates the upper surface of the first connector 1 to limit the rotation of the docking fastening sleeve 8 on the first connector 1. The positioning block 9 and the first connector 1 form an up-down sliding structure. A first spring 10 is fixed below the positioning block 9 to provide a pushing force for the positioning block 9. The inside of the positioning block 9 is provided with an extrusion groove 901, and the left end of the foolproof block 11 is designed in an inclined structure.

[0036] Before the first connector 1 and the second connector 2 are docked, the left end of the docking fastening sleeve 8 is located outside the auxiliary block 6, the positioning between the auxiliary block 6 and the first connector 1 is performed, the deformation of the flexible adjusting sleeve 5 is avoided, and the docking is facilitated. When docking, as shown in Figure 4 and Figures 7-8 The foolproof block 11 can position the connection of the first connector 1 and the second connector 2, so that the docking is accurate. After the foolproof block 11 is inserted into the first connector 1 and connected with the extrusion groove 901, the positioning block 9 is pushed to move downward, the blocking effect of the positioning block 9 on the docking fastening sleeve 8 is released, and then the docking fastening sleeve 8 can be rotated to be connected to the outside of the first connector 1 and the second connector 2, so that the connection of the first connector 1 and the second connector 2 remains stable.

[0037] Example Three: Based on Example Two, as shown in Figures 9-10As shown, further disclosed is that a first connecting end 3 and an auxiliary block 6 are provided with a first docking mechanism, the first connecting end 3 is connected with the auxiliary block 6 through the first docking mechanism, the first docking mechanism comprises a first docking block 12, a first positioning slot 13, a clamping block 14, a second spring 15 and a trigger plate 16, the first docking block 12 is fixed at the right side of the first connecting end 3, and a concave-convex matching structure is formed between the first docking block 12 and the auxiliary block 6 to position the connecting direction of the auxiliary block 6 and the first connecting end 3, the first positioning slot 13 is arranged below the first docking block 12, the clamping block 14 is arranged inside the auxiliary block 6, and a clamping structure is formed between the clamping block 14 and the first positioning slot 13, the second spring 15 is arranged below the clamping block 14 to provide an upward thrust for the clamping block 14, the trigger plate 16 is connected with the clamping block 14, the upper end of the trigger plate 16 penetrates through the upper surface of the auxiliary block 6, and the upper end of the trigger plate 16 is designed in an inclined structure, a second connecting end 4 and a second connecting head 2 are provided with a second docking mechanism, the second connecting end 4 is connected with the second connecting head 2 through the second docking mechanism, the second docking mechanism comprises a second docking block 17, a second positioning slot 18, a limiting block 19 and a third spring 20, the second docking block 17 is fixed at the left side of the second connecting end 4, and a concave-convex matching structure is formed between the second docking block 17 and the second connecting head 2, the second positioning slot 18 is arranged inside the second docking block 17, the limiting block 19 is arranged inside the second connecting head 2 and forms an up-down sliding structure with the second connecting head 2, the lower end of the limiting block 19 is clamped with the second positioning slot 18, the upper end of the limiting block 19 penetrates through the outer surface of the second connecting head 2, and the upper end of the limiting block 19 is designed in an inclined structure, the third spring 20 is arranged outside the limiting block 19 to provide an upward thrust for the limiting block 19, an auxiliary sleeve 21 is arranged at the outer end of the limiting block 19 to provide a pressing effect for the limiting block 19, the right end of the auxiliary sleeve 21 is provided with a fourth spring 22 to provide a thrust for the auxiliary sleeve 21, and a guide rod 23 is fixed at the right side of the auxiliary sleeve 21, and a horizontal sliding structure is formed between the guide rod 23 and the second connecting head 2.

[0038] After the first connecting head 1 and the second connecting head 2 are connected, the docking fastening sleeve 8 provides a pressing for the limiting block 19, the limiting block 19 is connected with the second positioning slot 18, and the connection between the second connecting end 4 and the second connecting head 2 is fixed. Figure 9As shown, at the same time, the second spring 15 pushes the clamping block 14 to move, so that the clamping block 14 and the first positioning slot 13 are connected, the connection between the first connecting end 3 and the auxiliary block 6 is positioned, and the auxiliary block 6 can be moved and adjusted outside the first connecting head 1 through the flexible adjusting sleeve 5. When it is necessary to disassemble the first connecting head 1 or the second connecting head 2, the butt joint fastening sleeve 8 can be rotated, the connection between the first connecting head 1 and the second connecting head 2 is pulled out, the butt joint fastening sleeve 8 is moved to the outside of the auxiliary block 6, the butt joint fastening sleeve 8 is extruded to trigger the plate 16, the plate 16 drives the clamping block 14 to move, the connection between the clamping block 14 and the first positioning slot 13 is released, then the connection between the first connecting end 3 and the auxiliary block 6 is released, the auxiliary sleeve 21 can be pressed to release the extrusion of the auxiliary sleeve 21 to the limiting block 19, the limiting block 19 is moved upward to release the connection with the second positioning slot 18, and the connection between the second connecting end 4 and the second connecting head 2 can be separated.

[0039] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0040] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "arranged", "mounted" and the like connecting words should be understood in a broad sense, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0041] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An adjustable communication transmission equipment connector, comprising a first connector (1) and a second connector (2), the first connector (1) and the second connector (2) are inserted into each other to form an electrical connection to transmit signals. characterized in that The left side of the first connector (1) is detachably connected with a first connecting end (3), the right side of the second connector (2) is detachably connected with a second connecting end (4), and the outer end of the first connecting end (3) and the second connecting end (4) is connected with a transmission line, and the inner end is respectively connected with the first connector (1) and the second connector (2) to form an electrical connection, the left side of the first connector (1) is provided with an auxiliary block (6), the first connector (1) is connected with the first connecting end (3) through the auxiliary block (6), a flexible adjusting sleeve (5) is arranged between the auxiliary block (6) and the first connector (1), and a transmission flexible line (7) is arranged between the auxiliary block (6) and the first connector (1), the auxiliary block (6) is moved and adjusted at the outer end of the first connector (1) through the flexible adjusting sleeve (5), and a anti-disengagement mechanism is arranged on the outer side of the first connector (1) to limit the connection of the first connector (1) and the second connector (2).

2. An adjustable communications transmission device connector according to claim 1, wherein: The anti-disengagement mechanism comprises a docking fastening sleeve (8), the docking fastening sleeve (8) is in threaded connection with the first connector (1) and the second connector (2), and the docking fastening sleeve (8) is positioned after moving to the left.

3. An adjustable communications transmission device connector according to claim 2, wherein: The left side of the second connector (2) is fixed with a foolproof block (11), the right side of the first connector (1) is provided with a groove corresponding to the foolproof block (11), and the foolproof block (11) and the groove are connected to limit the docking direction of the first connector (1) and the second connector (2).

4. An adjustable communications transmission device connector according to claim 3, wherein: The inside of the first connector (1) is provided with a blocking mechanism to block the movement of the docking fastening sleeve (8) on the first connector (1).

5. An adjustable communications transmission device connector according to claim 4, wherein: The blocking mechanism comprises a positioning stop block (9), the positioning stop block (9) is arranged in the inside of the first connector (1), the upper end of the positioning stop block (9) penetrates through the upper surface of the first connector (1), the rotation of the docking fastening sleeve (8) on the first connector (1) is limited, the positioning stop block (9) and the first connector (1) form an up-down sliding structure, a first spring (10) is fixed below the positioning stop block (9) to provide a pushing force for the positioning stop block (9), an extrusion groove (901) is formed in the inside of the positioning stop block (9), and the left end of the foolproof block (11) is designed in an inclined structure.

6. An adjustable communications transmission device connector according to claim 2, wherein: A first docking mechanism is arranged between the first connecting end (3) and the auxiliary block (6), and the first connecting end (3) is connected with the auxiliary block (6) through the first docking mechanism.

7. An adjustable communications transmission device connector according to claim 6, wherein: The first docking mechanism comprises a first docking block (12), a first positioning groove (13), a clamping block (14), a second spring (15) and a trigger plate (16). The first connecting end (3) is fixed on the right side of the first connecting end (3), and the first connecting end (3) and the first connecting end (3) are connected to the first connecting end (3). The first connecting end (3) is fixed on the right side of the first connecting end (3), and the first connecting end (3) and the first connecting end (3) are connected to the first connecting end (3). The first connecting end (3) is fixed on the right side of the first connecting end (3), and the first connecting end (3) and the first connecting end (3) are connected to the first connecting end (3). The first connecting end (3) is fixed on the right side of the first connecting end (3), and the first connecting end (3) and the first connecting end (3) are connected to the first connecting end (3). The first connecting end (3) is fixed on the right side of the first connecting end (3), and the first connecting end (3) and the first connecting end (3) are connected to the first connecting end (3).

8. The adjustable communications transmission device connector of claim 2, wherein: The second connecting end (4) is connected to the second connecting end (4) through the second connecting mechanism.

9. An adjustable communications transmission device connector according to claim 8, wherein: The second connecting mechanism comprises a second connecting block (17), a second positioning groove (18), a limiting block (19) and a third spring (20). The second connecting end (4) is fixed on the left side of the second connecting end (4), and the second connecting end (4) and the second connecting end (4) are connected to the second connecting end (4). The second connecting end (4) is fixed on the left side of the second connecting end (4), and the second connecting end (4) and the second connecting end (4) are connected to the second connecting end (4). The second connecting end (4) is fixed on the left side of the second connecting end (4), and the second connecting end (4) and the second connecting end (4) are connected to the second connecting end (4). The second connecting end (4) is fixed on the left side of the second connecting end (4), and the second connecting end (4) and the second connecting end (4) are connected to the second connecting end (4).

10. An adjustable communications transmission device connector according to claim 9, wherein: The outer end of the limiting block (19) is provided with an auxiliary sleeve (21), which provides extrusion effect for the limiting block (19), and the right end of the auxiliary sleeve (21) is provided with a fourth spring (22), which provides thrust for the auxiliary sleeve (21), and the right side of the auxiliary sleeve (21) is fixed with a guide rod (23), and the guide rod (23) and the second connecting head (2) form a horizontal sliding structure.

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