Mounting mechanism and optical cable connector box

Abstract

The utility model discloses a mounting mechanism and an optical cable connector box, and relates to the technical field of optical cable connector boxes, and the mounting mechanism comprises a limiting unit which comprises a fixed sleeve rod, a sliding rod arranged at the inner side of the fixed sleeve rod, a limiting piece arranged at the inner side of the sliding rod, a pressing block arranged at one side of the limiting piece, and a locking piece arranged at the end part of the sliding rod, and the rotating shaft is arranged on the inner side of the locking piece. The utility model has the beneficial effects that the sliding rod can be driven to move by pushing the pressing block, so that the sliding rod moves to drive the locking piece to turn over; in the overturning process of the locking piece, the end of the locking piece makes contact with the inner wall of the fixing sleeve rod, so that the position of the pressing block can be limited, in the moving process of the pressing block, the positions of the second through groove and the first through groove are staggered, and therefore it is guaranteed that the steel wire is located in a gap between the sliding rod and the fixing sleeve rod to be clamped and fixed; and the end part of the cable can be effectively prevented from falling off from the interior of the connector box.

Description

Technical Field

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

[0002] The optical cable splice box is a device used to connect optical fiber cables, to protect and fix the optical fiber connectors, and to provide good protection and environmental protection; the optical cable splice box usually includes optical fiber connectors, protective sleeves, seals and other components to ensure the stability and reliability of optical fiber connections. In optical fiber communication systems, optical cable splice boxes play a very important role in ensuring the transmission quality of optical signals and the stability of the system.

[0003] When connecting cables to the existing cable junction box, in order to fix the cable position, the steel wire in the cable insulation layer needs to be bent and hooked on the fixing column inside the junction box. In the process of bending the end of the steel wire, it is necessary to bend the end of the steel wire with a vise, and then put the steel wire on the outside of the fixing column, which makes the operation inconvenient for the staff and affects the work efficiency. 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 mounting mechanism, which aims to solve the problem that the existing junction box is inconvenient to fix the position of the cable during the process of connecting the cables, thus affecting the working efficiency.

[0006] To solve the above technical problems, the utility model provides the following technical solutions: an installation mechanism, comprising a limiting unit, including a fixed sleeve rod, a sliding rod arranged on the inner side of the fixed sleeve rod, a limiting piece arranged on the inner side of the sliding rod, a pressing block arranged on one side of the limiting piece, a locking piece arranged on the end of the sliding rod, and a rotating shaft arranged on the inner side of the locking piece.

[0007] As a preferred solution of the installation mechanism of the utility model, the fixed sleeve rod comprises a first hinge seat arranged at the inner bottom thereof, a first through groove arranged on the side wall of the fixed sleeve rod, and a circular groove opened on the inner wall of the end of the fixed sleeve rod; the first through groove penetrates the fixed sleeve rod and extends to the outside thereof;

[0008] The sliding rod comprises a second hinge seat arranged at an end thereof, a second through slot arranged on a side wall of the sliding rod, and a third through slot arranged on one side of the second through slot;

[0009] The fixed sleeve rod is matched with the sliding rod; the end of the sliding rod passes through the fixed sleeve rod and extends into the interior thereof.

[0010] As a preferred solution of the installation mechanism of the utility model, the locking member includes a rotating column arranged on both sides thereof, a sliding groove arranged on the inner side of the locking member, an elastic member arranged at the end of the locking member, and a contraction groove opened at the end of the locking member;

[0011] The first hinge seat includes a first axial hole opened at an end thereof;

[0012] The rotating column is matched with the first shaft hole; the locking member is arranged on the inner side of the first hinge seat; and the locking member is arranged on the inner side of the fixing sleeve rod.

[0013] As a preferred solution of the installation mechanism of the utility model, wherein: the second hinge seat includes a second shaft hole arranged inside the second hinge seat; the rotating shaft is adapted to the second shaft hole; the rotating shaft passes through the second hinge seat and is arranged on the outside thereof; the rotating shaft passes through the slide slot and is arranged on the outside thereof; the locking member is arranged on the inside of the second hinge seat;

[0014] The locking piece is arranged horizontally, and its end portion contacts the inner wall of the fixing sleeve rod.

[0015] As a preferred solution of the installation mechanism of the utility model, wherein: the limit member includes a card block, a trapezoidal block arranged on the end surface of the card block, and a spring arranged on the side wall of the card block; the trapezoidal block includes a slide rail opened on its end surface;

[0016] The limiting member is arranged on the inner side of the sliding rod; the end of the clamping block passes through the third through slot and extends to the outer side of the sliding rod.

[0017] As a preferred solution of the installation mechanism of the utility model, wherein: the pressing block includes a fixing block arranged at its end, and sliding blocks arranged at both sides of the fixing block;

[0018] The fixed block is matched with the clamping block; the sliding block is matched with the sliding rail; and the fixed block is slidably connected with the clamping block.

[0019] As a preferred solution of the installation mechanism of the utility model, wherein: the number of the clamping blocks is two groups; the two ends of the spring are respectively connected to the ends of the two groups of the clamping blocks;

[0020] The fixing block is matched with the two groups of trapezoidal blocks; the end of the pressing block passes through the sliding rod and extends to the outside thereof.

[0021] As a preferred solution of the installation mechanism of the utility model, wherein: the clamping block is adapted to the circular groove; the end of the clamping block is in contact with the inner wall of the circular groove;

[0022] The first through groove corresponds to the second through groove in position.

[0023] The beneficial effects of the installation mechanism of the utility model are as follows: the sliding rod can be driven to move by pushing the pressing block, so that the movement of the sliding rod drives the locking piece to flip over; during the flipping process of the locking piece, its end portion contacts the inner wall of the fixed sleeve rod, thereby limiting the position of the pressing block, and during the movement of the pressing block, the position of the second through groove is staggered with the position of the first through groove, thereby ensuring that the steel wire is clamped and fixed in the gap between the sliding rod and the fixed sleeve rod, and then the staff can effectively prevent the cable end from falling off from the inside of the junction box during the process of pulling the cable.

[0024] Another object of the utility model is to provide an optical cable joint box, which aims to solve the problem that it is inconvenient to install and fix the end of the cable.

[0025] In order to solve the above technical problems, the utility model also provides the following technical solutions: an optical cable joint box, comprising an installation mechanism; and a cable body; a connecting unit, comprising a lower box body, an upper box body arranged at a corresponding position of the lower box body, and a bolt and nut assembly arranged inside the lower box body;

[0026] The lower box body includes a support seat arranged inside the lower box body, a pressing plate arranged at the end of the support seat, and a screw arranged inside the pressing plate;

[0027] The fixing sleeve rod is arranged inside the lower box body.

[0028] As a preferred solution of the utility model optical cable junction box, wherein:

[0029] The cable body is adapted to the support seat; the inner wall of the pressing plate is in contact with the outer wall of the cable body;

[0030] The lower box body and the upper box body are connected by the bolt and nut assembly provided

[0031] The optical cable junction box of the utility model has the following beneficial effects: the end of the cable can be placed on the inner side of the pressure plate, and then the pressure plate is flipped over so that one side of the pressure plate can rotate along one side of the support seat; the pressure plate is rotated to above the cable body; the pressure plate is then covered on top of the cable body, and then bolts are used to penetrate the pressure plate and the screw holes opened inside the support seat to threadedly connect them, so that the cable can be pressed tightly against the inner side of the pressure plate, thereby achieving the fixation of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] 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.

[0033] Figure 1 It is a schematic diagram of the connection structure between the lower box body and the limiting unit in the utility model.

[0034] Figure 2 It is a schematic diagram of the connection structure of the connection unit in the utility model.

[0035] Figure 3 It is a structural sectional view of the fixed sleeve rod in the utility model.

[0036] Figure 4 It is a schematic diagram of the explosion structure in the utility model. DETAILED DESCRIPTION

[0037] 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.

[0038] 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.

[0039] 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.

[0040] Example 1

[0041] Reference Figure 1 to Figure 3 , is the first embodiment of the utility model, which provides a mounting mechanism, including a limiting unit 100, including a fixed sleeve rod 101, a sliding rod 102 arranged on the inner side of the fixed sleeve rod 101, a limiting member 103 arranged on the inner side of the sliding rod 102, a pressing block 104 arranged on one side of the limiting member 103, a locking member 105 arranged at the end of the sliding rod 102, and a rotating shaft 106 arranged on the inner side of the locking member 105.

[0042] Preferably, the lower box body 201 is welded and fixed to the fixed sleeve rod 101; the sliding rod 102 is arranged to move inside the fixed sleeve rod 101, so that the sliding rod 102 can move along the vertical direction of the fixed sleeve rod 101; and the limiting member 103 and the pressing block 104 cooperate with each other, and the pressing block 104 can drive the limiting member 103 to move in the horizontal direction while moving in the vertical direction; and the rotating shaft 106 passes through the sliding rod 102 and extends to its outside, and the rotating shaft 106 slides along the track inside the locking member 105, and can drive the locking member 105 to flip as the sliding rod 102 moves; thereby, the locking member 105 can be arranged inside the fixed sleeve rod 101 in a horizontal state.

[0043] When in use, the staff passes the steel wire set inside the cable insulation layer through the fixed sleeve rod 101 and extends it to the outside, and then pushes the pressing block 104 so that the pressing block 104 can push the two sets of limit members 103 to move in opposite directions; while pressing the pressing block 104 downward, it can drive the sliding rod 102 to move along the vertical direction; thereby ensuring that the second through groove 102b is misaligned with the first through groove 101b, so that the wire passing through the fixed sleeve rod 101 can be clamped and fixed by the gap between the fixed sleeve rod 101 and the sliding rod 102; At the same time, the sliding rod 102 can drive the rotating shaft 106 to move during the downward movement, so that the rotating shaft 106 slides inside the locking member 105; the sliding of the locking member 105 can drive the locking member 105 located inside the first hinge seat 101a to flip over; and then the locking member 105 flips to a horizontal position, so that the locking member 105 can be clamped on the inside of the fixed sleeve rod 101; at the same time, the limiting member 103 penetrates into the circular groove 101c; so that the position between the limiting member 103 and the fixed sleeve rod 101 is limited, thereby enabling the staff to clamp and fix the wire.

[0044] In summary, the staff can drive the two sets of limit members 103 to move by pushing the pressing block 104; the position of the sliding rod 102 can be limited by the cooperation between the limit members 103 and the fixed sleeve rod 101; at the same time, the sliding rod 102 can move along the inner wall of the fixed sleeve rod 101; so that the positions of the threading holes between the fixed sleeve rod 101 and the sliding rod 102 are staggered; so that the steel wire can be fixed between the fixed sleeve rod 101 and the sliding rod 102.

[0045] Example 2

[0046] Reference Figures 1 to 4, which is the second embodiment of the utility model, includes: the fixed sleeve rod 101 includes a first hinge seat 101a arranged at the inner bottom thereof, a first through groove 101b arranged on the side wall of the fixed sleeve rod 101, and a circular groove 101c opened on the inner wall of the end of the fixed sleeve rod 101; the first through groove 101b penetrates the fixed sleeve rod 101 and extends to the outside thereof; the sliding rod 102 includes a second hinge seat 102a arranged at the end thereof, a second through groove 102b arranged on the side wall of the sliding rod 102, and a third through groove 102c arranged on one side of the second through groove 102b; the fixed sleeve rod 101 is adapted to the sliding rod 102; the end of the sliding rod 102 penetrates the fixed sleeve rod 101 and extends to the inside thereof.

[0047] Preferably, a longer space is opened inside the first hinge seat 101a, which can provide a suitable space for the rotation of the locking member 105; the first through groove 101b allows the wire to pass through the fixed sleeve rod 101 and extend to its outside; the circular groove 101c is adapted to the limit member 103, and the second through groove 102b is flush with the first through groove 101b at its opening position under normal conditions; and the end of the sliding rod 102 passes through the fixed sleeve rod 101 and extends to its inside.

[0048] Furthermore, the locking member 105 includes a rotating column 105a arranged on both sides thereof, a sliding groove 105b arranged on the inner side of the locking member 105, an elastic member 105c arranged at the end of the locking member 105, and a shrinkage groove 105d opened at the end of the locking member 105; the first hinge seat 101a includes a first axial hole 101a-1 opened at the end thereof; the rotating column 105a is adapted to the first axial hole 101a-1; the locking member 105 is arranged on the inner side of the first hinge seat 101a; the locking member 105 is arranged on the inner side of the fixed sleeve rod 101.

[0049] Preferably, the rotating column 105a is adapted to the first axial hole 101a-1, so that the rotating column 105a can rotate along the axial direction of the first axial hole 101a-1; and the contraction groove 105d is opened at the end of the locking member 105, and the locking member 105 flips its end to contact the inner wall of the fixed sleeve rod 101; so that the elastic member 105c is squeezed by the inner wall of the fixed sleeve rod 101; and then the elastic member 105c can move to the side close to 105d after being compressed; the reaction force of the elastic member 105c can push the locking member 105 to contact the inner wall of the fixed sleeve rod 101; and then the locking member 105 is set horizontally; thereby ensuring that the position of the sliding rod 102 is limited.

[0050] Furthermore, the second hinge seat 102a includes a second axial hole 102a-1 arranged therein; the rotating shaft 106 is adapted to the second axial hole 102a-1; the rotating shaft 106 passes through the second hinge seat 102a and is arranged on its outer side; the rotating shaft 106 passes through the slide groove 105b and is arranged on its outer side; the locking member 105 is on the inner side of the second hinge seat 102a; the locking member 105 is horizontally arranged and its end is in contact with the inner wall of the fixed sleeve rod 101.

[0051] Preferably, the rotating shaft 106 is matched with the second axial hole 102a-1; the rotating shaft 106 also passes through the slide groove 105b and extends to its outside; the rotating shaft 106 can slide along the inner wall of the slide groove 105b; the second hinge seat 102a and the first hinge seat 101a can provide suitable space for the flipping of the locking member 105; and the normal running trajectory of the locking member 105 is ensured.

[0052] Furthermore, the limit member 103 includes a block 103a, a trapezoidal block 103b arranged on the end face of the block 103a, and a spring 103c arranged on the side wall of the block 103a; the trapezoidal block 103b includes a slide rail 103b-1 opened on its end face; the limit member 103 is arranged on the inner side of the sliding rod 102; the end of the block 103a passes through the third through groove 102c and extends to the outside of the sliding rod 102.

[0053] Preferably, the block 103a is a trapezoidal structure; the block 103a and the trapezoidal block 103b are welded and fixed; the end of the set spring 103c can be connected to the two groups of blocks 103a; the block 103a can pass through the sliding rod 102 and extend to the inside of the circular groove 101c; the block 103a is located inside the circular groove 101c to limit the position of the sliding rod 102.

[0054] Furthermore, the pressing block 104 includes a fixed block 104a arranged at its end, and sliders 104b arranged on both sides of the fixed block 104a; the fixed block 104a is adapted to the clamping block 103a; the slider 104b is adapted to the slide rail 103b-1; the fixed block 104a and the clamping block 103a are slidably connected.

[0055] Preferably, the sliders 104b are symmetrically arranged on both sides of the fixed block 104a; the sliders 104b are slidably connected to the slide rails 103b-1; and the pressing block 104 moves in the vertical direction, which can drive the limiting member 103 to move in the horizontal direction; so that the end of the clamping block 103a can be inserted into the inner side of the circular groove 101c, thereby ensuring that the vertical limitation of the sliding rod 102 and the fixed sleeve rod 101 can be completed.

[0056] Furthermore, there are two groups of blocks 103a; both ends of the spring 103c are respectively connected to the ends of the two groups of blocks 103a; the fixing block 104a is adapted to the two groups of trapezoidal blocks 103b; and the end of the pressing block 104 passes through the sliding rod 102 and extends to the outside thereof.

[0057] Preferably, the two groups of blocks 103a are symmetrically arranged on both sides of the trapezoidal block 103b, so that the movement of the trapezoidal block 103b can drive the block 103a to move, and then the block 103a can move in the horizontal direction; and the end of the pressing block 104 passes through the outside of the sliding rod 102, and the diameter of the pressing block 104 is larger than the diameter of the sliding rod 102; during the downward movement of the pressing block 104, its bottom can contact the top of the sliding rod 102, which can drive the sliding rod 102 to move downward.

[0058] Furthermore, the block 103a is matched with the circular groove 101c; the end of the block 103a is in contact with the inner wall of the circular groove 101c; and the positions of the first through groove 101b and the second through groove 102b correspond to each other.

[0059] Preferably, the block 103a is adapted to the circular groove 101c, and the end of the block 103a passes through the inner side of the circular groove 101c. The cooperation between the block 103a and the circular groove 101c can limit the vertical movement of the sliding rod 102, thereby ensuring the fixation of the position of the steel wire in the gap between the sliding rod 102 and the fixed sleeve rod 101, and making it easier for the staff to fix the end of the cable.

[0060] When in use, the staff inserts the end of the cable into the inner side of the lower box body 201; then passes the steel wire inside the cable reserved in advance through the first through groove 101b and the second through groove 102b and extends to the outside of the fixed sleeve rod 101; then pushes the pressing block 104 to move, so that the sliders connected on both sides of the fixed block 104a can push the trapezoidal block 103b to slide; with the movement of the pressing block 104, the card block 103a can be pushed to penetrate to the outside of the sliding rod 102, and as the pressing block 104 moves downward, the sliding rod 102 also moves downward, and the movement of the sliding rod 102 drives the rotating shaft 106 connected to its end to slide inside the sliding groove 105b ; The rotating shaft 106 can drive the rotating column 105a to rotate along the axial direction inside the first hinge seat 101a, and as the locking member 105 rotates, its end gradually contacts the inner wall of the fixed sleeve rod 101; the elastic member 105c is squeezed by the inner wall of the fixed sleeve rod 101; so that the elastic member 105c can move toward the direction close to the contraction groove 105d; under the action of the rebound force of the elastic member 105c, the locking member 105 can be horizontally arranged on the inner side of the fixed sleeve rod 101; at this time, the positions of the first through groove 101b and the second through groove 102b are staggered; and then the steel wire can be fixed inside the fixed sleeve rod 101 and the sliding rod 102.

[0061] In summary, the pressing block can be pushed to drive the sliding rod to move, so that the movement of the sliding rod drives the locking piece to flip over; during the flipping process of the locking piece, its end is in contact with the inner wall of the fixed sleeve rod, so that the position of the pressing block can be limited, and during the movement of the pressing block, the position of the second through groove and the first through groove are staggered, thereby ensuring that the steel wire is clamped and fixed in the gap between the sliding rod and the fixed sleeve rod, and then the staff can effectively prevent the cable end from falling off from the inside of the junction box during the cable pulling process.

[0062] Example 3

[0063] Reference Figure 1-2 , which is the third embodiment of the utility model, this embodiment further provides an optical cable joint box, including a cable body M; a connecting unit 200, including a lower box body 201, an upper box body 202 arranged at a corresponding position of the lower box body 201, and a bolt and nut assembly 203 arranged on the inner side of the lower box body 201; the lower box body 201 includes a support seat 201a arranged inside it, a pressure plate 201b arranged at the end of the support seat 201a, and a screw rod 201c arranged on the inner side of the pressure plate 201b; the fixing sleeve rod 101 is arranged on the inner side of the lower box body 201.

[0064] Preferably, the lower box body 201 is adapted to the upper box body 202, and the contact end surfaces of the lower box body 201 and the upper box body 202 are provided with waterproof grooves, which can ensure the tightness of the connection between the lower box body 201 and the upper box body 202; and the lower box body 201 and the upper box body 202 can be pressed and fixed by the provided bolt and nut assembly 203, thereby ensuring that the interior of the junction box can be in a closed space; and the diameter of the support seat 201a is adapted to the diameter of the cable head; so that the cable can be inserted into the inner side of the support seat 201a; at the same time, the cable end can be pressed against the inner side of the support seat 201a by the provided pressing plate 201b.

[0065] Furthermore, the cable body M is matched with the support seat 201a; the inner wall of the pressing plate 201b is in contact with the outer wall of the cable body M; the lower box body 201 and the upper box body 202 are connected by the provided bolt and nut assembly 203.

[0066] Preferably, one end of the pressing plate 201b can be rotated along a rotating rod arranged on the surface of the support seat 201a; and the pressing plate 201b is made of elastic material, and rotating the pressing plate 201b can fix the cable between the pressing plate 201b and the support seat 201a, and then the pressing plate 201b and the support seat 201a can be connected and fixed by utilizing the threaded cooperation between the bolt and the screw hole opened at the end of the support seat 201a.

[0067] In summary, the end of the cable can be placed on the inner side of the pressure plate, and then the pressure plate can be flipped over so that one side of the pressure plate can rotate along one side of the support seat; the pressure plate is rotated to the top of the cable body; the pressure plate is then covered on the top of the cable body, and then bolts are used to penetrate the pressure plate and the screw holes opened inside the support seat to threadedly connect them, so that the cable can be pressed tightly against the inner side of the pressure plate, thereby fixing the cable.

[0068] 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 mounting mechanism, characterized in that: include, The limiting unit (100) comprises a fixed sleeve rod (101), a sliding rod (102) arranged inside the fixed sleeve rod (101), a limiting member (103) arranged inside the sliding rod (102), a pressing block (104) arranged on one side of the limiting member (103), a locking member (105) arranged at the end of the sliding rod (102), and a rotating shaft (106) arranged inside the locking member (105).

2. The mounting mechanism according to claim 1, characterized in that: The fixed sleeve rod (101) comprises a first hinge seat (101a) arranged at the inner bottom thereof, a first through groove (101b) arranged on the side wall of the fixed sleeve rod (101), and a circular groove (101c) opened on the inner wall of the end of the fixed sleeve rod (101); the first through groove (101b) penetrates the fixed sleeve rod (101) and extends to the outside thereof; The sliding rod (102) comprises a second hinge seat (102a) arranged at an end thereof, a second through-groove (102b) arranged on a side wall of the sliding rod (102), and a third through-groove (102c) arranged on one side of the second through-groove (102b); The fixed sleeve rod (101) is matched with the sliding rod (102); the end of the sliding rod (102) passes through the fixed sleeve rod (101) and extends into the interior thereof.

3. The mounting mechanism according to claim 2, characterized in that: The locking member (105) comprises rotating columns (105a) arranged on both sides thereof, a sliding groove (105b) arranged on the inner side of the locking member (105), an elastic member (105c) arranged at the end of the locking member (105), and a contraction groove (105d) opened at the end of the locking member (105); The first hinge seat (101a) comprises a first axial hole (101a-1) opened at an end thereof; The rotating column (105a) is matched with the first shaft hole (101a-1); the locking member (105) is arranged on the inner side of the first hinge seat (101a); and the locking member (105) is arranged on the inner side of the fixed sleeve rod (101).

4. The mounting mechanism according to claim 3, characterized in that: The second hinge seat (102a) comprises a second shaft hole (102a-1) arranged inside the second hinge seat (102a); the rotating shaft (106) is matched with the second shaft hole (102a-1); the rotating shaft (106) passes through the second hinge seat (102a) and is arranged on the outside thereof; the rotating shaft (106) passes through the slide groove (105b) and is arranged on the outside thereof; the locking member (105) is arranged on the inside of the second hinge seat (102a); The locking member (105) is arranged horizontally, and its end portion contacts the inner wall of the fixing sleeve rod (101).

5. The mounting mechanism according to claim 4, characterized in that: The limiting member (103) comprises a clamping block (103a), a trapezoidal block (103b) arranged on the end surface of the clamping block (103a), and a spring (103c) arranged on the side wall of the clamping block (103a); the trapezoidal block (103b) comprises a slide rail (103b-1) opened on the end surface thereof; The limiting member (103) is arranged on the inner side of the sliding rod (102); the end of the clamping block (103a) passes through the third through slot (102c) and extends to the outer side of the sliding rod (102).

6. The mounting mechanism according to claim 5, characterized in that: The pressing block (104) comprises a fixing block (104a) arranged at an end thereof, and sliding blocks (104b) arranged at both sides of the fixing block (104a); The fixed block (104a) is matched with the clamping block (103a); the sliding block (104b) is matched with the sliding rail (103b-1); and the fixed block (104a) and the clamping block (103a) are slidably connected.

7. The mounting mechanism according to claim 6, characterized in that: The number of the clamping blocks (103a) is two groups; the two ends of the spring (103c) are respectively connected to the ends of the two groups of clamping blocks (103a); The fixing block (104a) is matched with the two groups of trapezoidal blocks (103b); the end of the pressing block (104) passes through the sliding rod (102) and extends to the outside thereof.

8. The mounting mechanism according to any one of claims 5 to 7, characterized in that: The clamping block (103a) is adapted to the circular groove (101c); the end of the clamping block (103a) is in contact with the inner wall of the circular groove (101c); The positions of the first through groove (101b) and the second through groove (102b) correspond to each other.

9. An optical cable splice box, characterized in that: Comprising the installation mechanism according to any one of claims 1 to 8; and a cable body (M); a connecting unit (200), comprising a lower box body (201), an upper box body (202) arranged at a corresponding position of the lower box body (201), and a bolt and nut assembly (203) arranged on the inner side of the lower box body (201); The lower box body (201) comprises a support seat (201a) arranged inside the lower box body, a pressing plate (201b) arranged at the end of the support seat (201a), and a screw rod (201c) arranged on the inner side of the pressing plate (201b); The fixed sleeve rod (101) is arranged inside the lower box body (201).

10. The optical cable splice box according to claim 9, characterized in that: The cable body (M) is adapted to the support seat (201a); the inner wall of the pressing plate (201b) is in contact with the outer wall of the cable body (M); The lower box body (201) and the upper box body (202) are connected via the bolt and nut assembly (203).

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