Fixing mechanism and optical cable connector box

Abstract

The utility model discloses a fixing mechanism and an optical cable joint box, and relates to the technical field of optical cable connection, and the fixing mechanism comprises a connecting unit which comprises a first clamping plate, a second clamping plate whose end portion is hinged with the first clamping plate, a sleeve rod arranged in the first clamping plate, a push rod arranged in the sleeve rod, and a limiting member arranged in the first clamping plate. The beneficial effects of the utility model are that through the cooperation between the second clamping plate and the first clamping plate, the junction box can be well fixed, so that a worker can connect the junction box conveniently; and through the cooperation between a sleeve rod and a limiting piece, the positions of the second clamping plate and the first clamping plate can be fixed, so that the first clamping plate can be fixed on the side edge of the junction box.

Description

Technical Field

[0001] The utility model relates to the technical field of optical cable connection, in particular to a fixing mechanism and an optical cable joint box. Background Art

[0002] An optical cable junction box is a device used to connect and protect optical cables in optical fiber communication systems. It usually consists of an outer shell and internal connectors, and can be used to connect optical cables, branch optical cables, optical fiber jumpers, etc., in order to achieve the transmission and distribution of optical signals. The main function of an optical cable junction box is to prevent damage to the optical cable from the external environment, protect the connecting parts of the optical cable, and facilitate the connection between optical fiber devices.

[0003] During the installation of the optical cable junction box, the optical cable junction box is usually installed on the outside of the cable so that the position of the optical cable junction box can be better fixed; however, in the process of fixing the existing optical cable junction box, the position of the optical cable junction box is mostly fixed by rolling the tape, which results in the need to destroy the rolling tape when the installation position of the optical cable junction box needs to be moved, resulting in a waste of resources to a certain extent. Utility Model Content

[0004] In view of the above-mentioned prior art problems, the present utility model is proposed.

[0005] The utility model aims to provide a fixing mechanism, which aims to solve the problem that the existing optical cable junction box is inconvenient to disassemble during the installation process.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a fixing mechanism, which includes a connecting unit, including a first clamping plate, a second clamping plate whose end is hinged to the first clamping plate, a sleeve rod arranged inside the second clamping plate, a push rod arranged inside the sleeve rod, and a limit member arranged inside the first clamping plate.

[0007] As a preferred solution of the fixing mechanism of the utility model, the first clamping plate includes a cylindrical sleeve arranged inside the first clamping plate, a cavity arranged outside the cylindrical sleeve, and a support plate arranged inside the cavity; the second clamping plate includes a moving groove opened inside the first clamping plate, and an extrusion block arranged at the end thereof;

[0008] The sleeve rod passes through the second clamping plate and extends to the outside thereof; the end of the sleeve rod passes through the inside of the cylindrical sleeve.

[0009] As a preferred solution of the fixing mechanism of the utility model, wherein: the sleeve rod comprises a first hemisphere disposed at its end, a notch disposed on the side wall of the sleeve rod, and a first spring disposed inside the sleeve rod;

[0010] The push rod includes a button arranged at one end thereof, a pressure plate arranged at the other end of the push rod, and a second hemisphere arranged outside the push rod;

[0011] The sleeve rod is a rod-shaped structure with a hollow interior; the second hemisphere includes a through hole arranged at the bottom; the second hemisphere is sleeved on the outside of the push rod; and the through hole is in contact with the side wall of the sleeve rod.

[0012] As a preferred solution of the fixing mechanism of the utility model, wherein: the second hemisphere moves along the internal track of the notch; the sleeve rod and the push rod are slidingly connected; the end of the pressure plate contacts the end of the first spring; the first spring is connected to the sleeve rod; the first hemisphere is adapted to the second hemisphere.

[0013] As a preferred solution of the fixing mechanism of the utility model, wherein: the limiting member includes a connecting rod, a fixing plate arranged outside the connecting rod, a limiting block arranged at the end of the connecting rod, and a second spring arranged outside the connecting rod;

[0014] Two ends of the connecting rod pass through the first clamping plate and the supporting plate respectively.

[0015] As a preferred solution of the fixing mechanism of the utility model, wherein: the second hemisphere and the first hemisphere are adapted to the cylindrical sleeve; the second hemisphere penetrates into the inner side of the cylindrical sleeve;

[0016] The limiting block passes through the cylindrical sleeve and extends into the interior thereof; the ends of the second spring are respectively connected to the fixing plate and the inner wall of the cylindrical sleeve.

[0017] As a preferred solution of the fixing mechanism of the utility model, wherein: the bottom of the limit block is in contact with the horizontal end of the first hemisphere; the limit block is located between the second hemisphere and the first hemisphere.

[0018] As a preferred solution of the fixing mechanism of the utility model, wherein: the bottom of the limit block contacts the arc-shaped end of the second hemisphere; the limit block is located above the second hemisphere; the first hemisphere contacts the horizontal end surface of the second hemisphere.

[0019] The fixing mechanism of the utility model has the following beneficial effects: by cooperating between the second clamping plate and the first clamping plate, the junction box can be better fixed, so that it is more convenient for the staff to connect the junction box; and by cooperating between the sleeve rod and the limit member, the position of the second clamping plate and the first clamping plate can be fixed, so that the first clamping plate can be fixed to the side of the junction box.

[0020] Another object of the utility model is to provide an optical cable junction box, which aims to solve the problem that the existing junction box is inconvenient to install and disassemble with the cable during the installation process.

[0021] In order to solve the above technical problems, the utility model also provides the following technical solutions: an optical cable junction box, comprising a fixing mechanism; and a junction box, comprising a first box body and a second box body arranged opposite to the first box body; waist holes are provided on the sides of the first box body and the second box body;

[0022] A locking unit, comprising a first arc-shaped plate disposed above the second clamping plate, a second arc-shaped plate disposed above the first arc-shaped plate, a screw disposed at an end of the first arc-shaped plate, and a nut disposed outside the screw;

[0023] The first clamping plate and the second clamping plate pass through the waist hole and are fixed on the outer side of the side of the junction box.

[0024] As a preferred solution of the optical cable junction box of the utility model, wherein: the first arc plate is hinged to one end of the second arc plate; the screw is hinged to the end of the first arc plate; the ends of the first arc plate and the second arc plate are provided with placement grooves; the screw is threadedly connected to the nut.

[0025] The beneficial effects of the optical cable junction box of the utility model are as follows: the first curved plate and one end of the second curved plate are hinged and rotated, and then the second curved plate and the first curved plate are sleeved on the outside of the cable, and then the first curved plate and the second curved plate are pressed and fixed by the cooperation between the nut and the screw rod, so that the junction box is fixed under the cable, and at the same time, it is also convenient for the staff to flexibly adjust the position of the junction box. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0027] Figure 1 It is a structural schematic diagram of the utility model.

[0028] Figure 2 It is a schematic diagram of the connection structure between the locking unit and the connecting unit in the utility model.

[0029] Figure 3 It is a schematic diagram of the open structure of the connecting unit in the utility model.

[0030] Figure 4 It is a schematic diagram of the locking structure of the second clamping plate and the first clamping plate in the utility model.

[0031] Figure 5 It is a schematic diagram of the sleeve rod unlocking structure in the utility model.

[0032] Figure 6 It is a schematic diagram of the explosion structure of the sleeve rod and the push rod in the utility model. DETAILED DESCRIPTION

[0033] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0034] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0035] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

[0036] Example 1

[0037] Reference Figures 1 to 4 , which is the first embodiment of the utility model, and this embodiment provides a fixing mechanism, including a connecting unit 100, including a first clamping plate 101, a second clamping plate 102 whose end is hinged to the first clamping plate 101, a sleeve rod 103 arranged inside the second clamping plate 102, a push rod 104 arranged inside the sleeve rod 103, and a limit member 105 arranged inside the first clamping plate 101.

[0038] Preferably, the first clamping plate 101 and one end of the second clamping plate 102 are hinged and rotated, and the first clamping plate 101 and the second clamping plate 102 are adapted to each other; and the sleeve rod 103 is located inside the second clamping plate 102, and can move with the flipping of the second clamping plate 102; and the sleeve rod 103 and the push rod 104 are adapted to each other, and the push rod 104 is sleeved on the inner side of the sleeve rod 103 and can move with the sleeve rod 103; and the limiting member 105 is located inside the first clamping plate 101, and the position of the sleeve rod 103 can be limited by the limiting member 105; thereby, the position between the first clamping plate 101 and the second clamping plate 102 can be fixed.

[0039] When in use, the second clamping plate 102 is flipped over so that the free ends of the first clamping plate 101 and the second clamping plate 102 are close to each other, and then the second clamping plate 102 is buckled on the top of the first clamping plate 101, and then the sleeve rod 103 is pushed through the inside of the first clamping plate 101, and then the sleeve rod 103 continuously compresses the end of the limiting member 105, so that the limiting member 105 is located between the sleeve rod 103 and the end of the push rod 104, so that the position of the second clamping plate 102 is limited by the limiting member 105, thereby achieving locking between the first clamping plate 101 and the second clamping plate 102.

[0040] Example 2

[0041] Reference Figures 1 to 6 , which is the second embodiment of the utility model, includes: the first clamping plate 101 includes a cylindrical sleeve 101a arranged inside the first clamping plate 101, a cavity 101b arranged outside the cylindrical sleeve 101a, and a support plate 101c arranged inside the cavity 101b; the second clamping plate 102 includes a moving groove 102b opened inside the first clamping plate 102, and an extrusion block 102a arranged at the end thereof; the sleeve rod 103 penetrates the second clamping plate 102 and extends to the outside thereof; the end of the sleeve rod 103 penetrates into the interior of the cylindrical sleeve 101a.

[0042] Preferably, a cylindrical sleeve 101a is provided inside the first clamping plate 101, and the cylindrical sleeve 101a is adapted to the sleeve rod 103 and the push rod 104, so that the sleeve rod 103 can slide inside the first clamping plate 101; and the set 101b provides a certain space for the movement of the limit member 105, ensuring that the limit member 105 can pass through the cylindrical sleeve 101a and extend into the interior thereof.

[0043] Furthermore, the sleeve rod 103 includes a first hemisphere 103a arranged at its end, a notch 103b arranged on the side wall of the sleeve rod 103, and a first spring 103c arranged inside the sleeve rod 103; the push rod 104 includes a button 104a arranged at one end thereof, a pressure plate 104c arranged at the other end of the push rod 104, and a second hemisphere 104b arranged on the outside of the push rod 104; the sleeve rod 103 is a rod-shaped structure with a hollow interior; the second hemisphere 104b includes a through hole 104b-1 arranged at the bottom; the second hemisphere 104b is sleeved on the outside of the push rod 104; the through hole 104b-1 is in contact with the side wall of the sleeve rod 103.

[0044] Preferably, the first hemisphere 103a is a hemispherical structure, the diameter of the second hemisphere 104b is slightly larger than the diameter of the first hemisphere 103a, and the button 104a connected to the end of the push rod 104 can better facilitate the staff to push the push rod 104 to move; the set pressure plate 104c can compress the first spring 103c; and the set first spring 103c can push the pressure plate 104c to move, so that there is a certain gap between the sleeve rod 103 and the push rod 104; and the set through hole 104b-1 is adapted to the sleeve rod 103; and the size of the through hole 104b-1 matches the thickness of the side wall of the sleeve rod 103; so that the push rod 104 can move along the vertical direction of the sleeve rod 103.

[0045] Furthermore, the second hemisphere 104b moves along the inner track of the notch 103b; the sleeve rod 103 and the push rod 104 are slidably connected; the end of the pressure plate 104c contacts the end of the first spring 103c; the first spring 103c is connected to the sleeve rod 103; the first hemisphere 103a is adapted to the second hemisphere 104b.

[0046] Preferably, the second hemisphere 104b is slidably connected to the push rod 104, and the second hemisphere 104b moves along the trajectory of the notch 103b; the notch 103b can limit the position of the second hemisphere 104b, so that the moving position of the second hemisphere 104b can only move along the inside of the notch 103b.

[0047] Furthermore, the limiting member 105 includes a connecting rod 105a, a fixing plate 105b arranged on the outside of the connecting rod 105a, a limiting block 105c arranged at the end of the connecting rod 105a, and a second spring 105d arranged on the outside of the connecting rod 105a; both ends of the connecting rod 105a pass through the first clamping plate 101 and the support plate 101c respectively.

[0048] Preferably, the end of the connecting rod 105a passes through the first clamping plate 101 and extends to the outside thereof, and a limiting plate is also provided at the end of the connecting rod 105a; the end of the connecting rod 105a can be effectively prevented from extending into the first clamping plate 101; the diameter of the fixed plate 105b is larger than the diameter of the connecting rod 105a, so that the fixed plate 105b can compress the second spring 105d arranged on the outside of the connecting rod 105a during the movement; and the limiting block 105c is a trapezoidal structure.

[0049] Furthermore, the second hemisphere 104b and the first hemisphere 103a are adapted to the cylindrical sleeve 101a; the second hemisphere 104b penetrates the inner side of the cylindrical sleeve 101a; the limit block 105c penetrates the cylindrical sleeve 101a and extends into the interior thereof; the ends of the second spring 105d are respectively connected to the fixing plate 105b and the inner wall of the cylindrical sleeve 101a.

[0050] Preferably, the second hemisphere 104b is opposite to the horizontal end surface of the first hemisphere 103a, and their horizontal end surfaces are in contact during the movement; the set limit block 105c penetrates into the interior of the cylindrical sleeve 101a, and when the sleeve rod 103 moves downward; the side wall of the sleeve rod 103 can compress the end of the limit block 105c, so that the limit block 105c can move in the direction away from the cylindrical sleeve 101a.

[0051] Furthermore, the bottom of the limiting block 105c contacts the horizontal end of the first hemisphere 103a; the limiting block 105c is located between the second hemisphere 104b and the first hemisphere 103a.

[0052] Preferably, when the second clamping plate 102 and the first clamping plate 101 are in a locked state, the end of the limit block 105c contacts the horizontal end surface of the first hemisphere 103a, so that the limit block 105c can limit the sleeve rod 103; at this time, the limit member 105 is located between the first hemisphere 103a and the second hemisphere 104b.

[0053] Furthermore, the bottom of the limit block 105c contacts the arc-shaped end of the second hemisphere 104b; the limit block 105c is located above the second hemisphere 104b; and the first hemisphere 103a contacts the horizontal end surface of the second hemisphere 104b.

[0054] Preferably, by pressing the button 104a, the pressure plate 104c compresses the first spring 103c, and then the second hemisphere 104b can contact with the first hemisphere 103a; at this time, the sleeve rod 103 and the push rod 104 are pressed down at the same time; the limit block 105c moves to above the arc surface of the second hemisphere 104b; then the sleeve rod 103 and the push rod 104 are pulled upward at the same time, so that the second hemisphere 104b can contact with the first hemisphere 103a, and the second hemisphere 104b and the first hemisphere 103a are combined into a sphere, so that the end of the limit block 105c contacts the spherical surface, so that the sleeve rod 103 can be taken out from the cylindrical sleeve 101a.

[0055] When in use, the staff inserts the first clamping plate 101 through the installation position hole; then flips the second clamping plate 102 so that the free end of the second clamping plate 102 contacts the free end of the first clamping plate 101. As the second clamping plate 102 contacts the free end of the first clamping plate 101, the extrusion block 102a is gradually pressed against the side of the junction box; then the sleeve rod 103 is pushed to move so that the end of the sleeve rod 103 passes through the inside of the cylindrical sleeve 101a; during the movement of the first hemisphere 103a, its arc surface gradually compresses the limit block 105c, so that the limit block 105c moves away from the cylindrical sleeve 101a; at this time, the fixing plate 105b compresses the second spring 105d; when the first hemisphere 103a moves to the position below the limit block 105c; the rebound force of the second spring 105d pushes the limit block 105c to move between the first hemisphere 103a and the second hemisphere 104b, so that the sleeve rod 103 is restricted inside the cylindrical sleeve 101a by the limit block 105c, thereby ensuring that the position between the first clamping plate 101 and the second clamping plate 102 is fixed;

[0056] When the first clamping plate 101 and the second clamping plate 102 need to be released from being fixed, the push rod 104 is driven to move by pressing the button 104a, so that the push rod 104 pushes the pressure plate 104c to gradually compress the first spring 103c; after the pressure plate 104c compresses the first spring 103c to a fixed position, the button 104a contacts the end of the sleeve rod 103; and then the button 104a is continued to be pressed, and the sleeve rod 103 also moves accordingly; during the movement; The second hemisphere 104b is limited by the notch 103b, so that the push rod 104 moves downward; the second hemisphere 104b can press the limit block 105c to one side; so that the end of the limit block 105c is away from the second hemisphere 104b; and then the arc surface of the second hemisphere 104b is located below the limit block 105c; then at this time, the thumb pressing the button 104a does not loosen, and the sleeve rod 103 is grasped by hand, driving the sleeve rod 103 and the push rod 1 04 moves upward synchronously; at this time, under the action of weight, the second hemisphere 104b contacts the horizontal end of the first hemisphere 103a; the second hemisphere 104b and the first hemisphere 103a are combined into a spherical structure; during the movement of the second hemisphere 104b, its arc surface squeezes the end of the limit block 105c, so that the limit block 105c moves away from the second hemisphere 104b; since the diameter of the second hemisphere 104b is larger than that of the first hemisphere The diameter of the sphere 103a is 0.13mm, and the second hemisphere 104b moves synchronously with the first hemisphere 103a, so that when the limit block 105c is located at the position where the second hemisphere 104b contacts the first hemisphere 103a, it will not interfere with the movement of the first hemisphere 103a, so that the first hemisphere 103a can be moved away from the inside of the cylindrical sleeve 101a, and then you can release your hands; flip the second clamping plate 102 from the top of the first clamping plate 101 to open it.

[0057] In summary, by cooperating between the second clamping plate 102 and the first clamping plate 101, the junction box can be better fixed, so that it is more convenient for the staff to connect the junction box; and by cooperating between the sleeve rod 103 and the limit member 105, the position of the second clamping plate 102 and the first clamping plate 101 can be fixed, so that the first clamping plate 101 can be fixed on the side of the junction box 300.

[0058] Example 3

[0059] Reference Figure 1-2, which is the third embodiment of the utility model, this embodiment further provides an optical cable junction box, including, a junction box 300, including a first box body 301, and a second box body 302 arranged opposite to the first box body 301; the sides of the first box body 301 and the second box body 302 are both provided with waist holes n; the locking unit 200, including a first arc-shaped plate 201 arranged above the second clamping plate 102, a second arc-shaped plate 202 arranged above the first arc-shaped plate 201, a screw rod 204 arranged at the end of the first arc-shaped plate 201, and a nut 203 arranged on the outside of the screw rod 204; the first clamping plate 101 and the second clamping plate 102 pass through the waist hole n and are fixed to the outside of the side of the junction box 300.

[0060] Furthermore, the first box body 301 and the second box body 302 are adapted to each other, and the first box body 301 and the second box body 302 cooperate with each other to better protect and fix the end connection port of the cable; and waist holes are provided at the side positions of the first box body 301 and the second box body 302, which can further ensure that the first clamping plate 101 passes through the side and fix the position of the first clamping plate 101 and the side;

[0061] One end of the first arc plate 201 and the second arc plate 202 are pre-connected through a hinge; and through the cooperation between the first arc plate 201 and the second arc plate 202, the first arc plate 201 and the second arc plate 202 can be better clamped and fixed on the outside of the cable; thereby achieving the fixation between the cable and the locking unit 200; and the end of the first arc plate 201 is connected to the two clamping plates 102, so that the position between the two clamping plates 102 and the cable is fixed; and the screw rod 204 and the nut 203 cooperate with each other, so that the first arc plate 201 and the second arc plate 202 can be clamped and fixed on the outside of the cable.

[0062] Furthermore, the first arc plate 201 is hinged to one end of the second arc plate 202; the screw rod 204 is hinged to the end of the first arc plate 201; the ends of the first arc plate 201 and the second arc plate 202 are provided with placement grooves; the screw rod 204 and the nut 203 are threadedly connected.

[0063] Preferably, the end of the screw rod 204 is hinged and rotated with the first curved plate 201; after the screw rod 204 is flipped to a vertical state, it can pass through the ends of the first curved plate 201 and the second curved plate 202, and extend to the outside of the end of the second curved plate 202; and then, by utilizing the threaded cooperation between the nut 203 and the screw rod 204, the nut 203 can be pressed between the first curved plate 201 and the second curved plate 202; thereby, the first curved plate 201 is fixed to the outside of the cable.

[0064] When in use, according to the steps of the first embodiment, the connection unit 100 is fixed to the side of the junction box; then the second arc plate 202 and one end of the first arc plate 201 are opened; then the first arc plate 201 and the second arc plate 202 are sleeved on the outside of the fixed cable cable; then the screw rod 204 is flipped; so that the screw rod 204 is flipped to a vertical state; and the end of the screw rod 204 passes through the upper outside of the first arc plate 201; then the nut 203 is rotated so that the nut 203 and the screw rod 204 are threadedly matched, so that the first arc plate 201 and the second arc plate 202 can be pressed and fixed, so that the second arc plate 202 and the first arc plate 201 are fixed on the outside of the cable; so that it is more convenient for the staff to operate, and the locking unit 200 and the connection unit 100 are matched, and when the position of the junction box 300 needs to be adjusted, it can be flexibly adjusted; it is more convenient for the staff to operate.

[0065] In summary, by cooperating between the locking unit 200 and the connecting unit 100, it is easier for the staff to flexibly complete the disassembly of the junction box; it makes the operation easier and more convenient for the staff; at the same time, the position of the junction box can be fixed more firmly, reducing the waste of resources to a certain extent.

[0066] It is important to note that the above embodiments are only used to illustrate the technical solution of the utility model and are not intended to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A fixing mechanism, characterized in that: include, The connecting unit (100) comprises a first clamping plate (101), a second clamping plate (102) whose end is hinged to the first clamping plate (101), a sleeve rod (103) arranged inside the second clamping plate (102), a push rod (104) arranged inside the sleeve rod (103), and a stopper (105) arranged inside the first clamping plate (101).

2. The fixing mechanism according to claim 1, characterized in that: The first clamping plate (101) comprises a cylindrical sleeve (101a) arranged inside the first clamping plate, a cavity (101b) arranged outside the cylindrical sleeve (101a), and a support plate (101c) arranged inside the cavity (101b); the second clamping plate (102) comprises a moving groove (102b) opened inside the first clamping plate, and an extrusion block (102a) arranged at an end thereof; The sleeve rod (103) passes through the second clamping plate (102) and extends to the outside thereof; the end of the sleeve rod (103) passes through the inside of the cylindrical sleeve (101a).

3. The fixing mechanism according to claim 2, characterized in that: The sleeve rod (103) comprises a first hemispherical body (103a) arranged at an end thereof, a notch (103b) arranged on a side wall of the sleeve rod (103), and a first spring (103c) arranged inside the sleeve rod (103); The push rod (104) comprises a button (104a) arranged at one end thereof, a pressure plate (104c) arranged at the other end of the push rod (104), and a second hemispherical body (104b) arranged outside the push rod (104); The sleeve rod (103) is a rod-shaped structure with a hollow interior; the second hemisphere (104b) comprises a through hole (104b-1) arranged at the bottom; the second hemisphere (104b) is sleeved on the outside of the push rod (104); and the through hole (104b-1) is in contact with a side wall of the sleeve rod (103).

4. The fixing mechanism according to claim 3, characterized in that: The second hemisphere (104b) moves along the internal track of the notch (103b); the sleeve rod (103) and the push rod (104) are slidably connected; the end of the pressure plate (104c) contacts the end of the first spring (103c); the first spring (103c) is connected to the sleeve rod (103); and the first hemisphere (103a) and the second hemisphere (104b) are matched.

5. The fixing mechanism according to claim 4, characterized in that: The limiting member (105) comprises a connecting rod (105a), a fixing plate (105b) arranged outside the connecting rod (105a), a limiting block (105c) arranged at the end of the connecting rod (105a), and a second spring (105d) arranged outside the connecting rod (105a); Two ends of the connecting rod (105a) respectively pass through the first clamping plate (101) and the supporting plate (101c).

6. The fixing mechanism according to claim 5, characterized in that: The second hemisphere (104b) and the first hemisphere (103a) are adapted to the cylindrical sleeve (101a); the second hemisphere (104b) penetrates the inner side of the cylindrical sleeve (101a); The limiting block (105c) passes through the cylindrical sleeve (101a) and extends into the interior thereof; ends of the second spring (105d) are respectively connected to the fixing plate (105b) and the inner wall of the cylindrical sleeve (101a).

7. The fixing mechanism according to claim 6, characterized in that: The bottom of the limit block (105c) contacts the horizontal end of the first hemisphere (103a); and the limit block (105c) is located between the second hemisphere (104b) and the first hemisphere (103a).

8. The fixing mechanism according to claim 6, characterized in that: The bottom of the limit block (105c) contacts the arc-shaped end of the second hemisphere (104b); the limit block (105c) is located above the second hemisphere (104b); and the first hemisphere (103a) contacts the horizontal end surface of the second hemisphere (104b).

9. An optical cable splice box, characterized in that: comprising the fixing mechanism according to any one of claims 1 to 8; and The junction box (300) comprises a first box body (301) and a second box body (302) arranged opposite to the first box body (301); waist holes (n) are provided on the sides of the first box body (301) and the second box body (302); A locking unit (200) comprising a first arc-shaped plate (201) arranged above the second clamping plate (102), a second arc-shaped plate (202) arranged above the first arc-shaped plate (201), a screw rod (204) arranged at an end of the first arc-shaped plate (201), and a nut (203) arranged outside the screw rod (204); The first clamping plate (101) and the second clamping plate (102) pass through the waist hole (n) and are fixed to the outside of the side of the junction box (300).

10. The optical cable splice box according to claim 9, characterized in that: The first arc-shaped plate (201) is hinged to one end of the second arc-shaped plate (202); the screw rod (204) is hinged to the end of the first arc-shaped plate (201); the ends of the first arc-shaped plate (201) and the second arc-shaped plate (202) are provided with placement grooves; and the screw rod (204) and the nut (203) are threadedly connected.

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