Feeder clamp with self-locking function

Abstract

The utility model discloses a feeder clamp with a self-locking function, and relates to the technical field of feeder clamps. The device comprises a mounting piece, a fixing screw rod is arranged at the bottom of the mounting piece, and the outer surface of the fixing screw rod penetrates through and is in threaded connection with a first clamp. According to the utility model, the connecting plates are arranged on the outer sides of the first clamp, the second clamp and the third clamp, so that when a cable needs to be fixed, the elastic connecting pieces penetrate through the connecting plates to be matched with the connecting plates to enable the elastic clamping blocks to extend towards the outer sides of the first clamp and the third clamp; in this way, elastic clamping blocks at the two ends can penetrate through penetrating holes in the inner walls of the connecting plates to be squeezed and then rebound to be clamped to the outer sides of the connecting plates, so that a first clamping tool, a second clamping tool and a third clamping tool are locked and limited, and then when loosening occurs after a fixing screw rod at the bottom of an installation piece is connected in a penetrating mode, the outer side of the installation piece still has a certain connecting effect; and the phenomenon that the fixing effect on the cable is influenced by the loosening phenomenon is prevented.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of feeder clamp, specifically, and particularly relates to a feeder clamp with self -locking function. BACKGROUND

[0002] Feeder clamp is a kind of fixing device, and it is suitable for communication base station, direct broadcast station, indoor covering system, wireless paging and microwave communication system. It is mainly used for fixing transmission cable, and ensures its stable arrangement in iron tower, wiring rack, indoor and outdoor and subway and tunnel.

[0003] In the prior art, searching China patent No. CN202321387049.8 discloses a kind of self-locking feeder clamp, belongs to clamp technical field, including U type frame, U type frame side is equipped with positioning screw hole, positioning screw hole is threadedly cooperated with positioning bolt, U type frame side is rotatably provided with connecting rod, the top of connecting rod is fixed with mounting screw rod, and the connecting portion of mounting screw rod and connecting rod is fixed with limit sheet, the surface of mounting screw rod is threadedly rotatably provided with fixed nut, and mounting screw rod surface wall is sleeved with fixed plate, and fixed plate center is equipped with through hole.

[0004] Feeder clamp is composed of two half plastic cards, and the inner side of the two half plastic cards is provided with a card slot, the screw rod passes through the lower part of the two half plastic cards and is locked by the locking nut to realize the fixation of the feeder, and the whole is fixed on angle steel or other fixed objects by C-shaped clamp, but during installation, each single plastic card is easy to rotate on the screw rod, so the installer needs to clamp each plastic card by hand at the same time, and the locking nut is also tightened, which is very inconvenient to operate, and when the two half plastic cards clamp the feeder, only the locking nut is used to realize fixation, and after the locking nut is loosened, the whole is easy to fall off.

[0005] For the problems in the related art, no effective solution has been proposed so far. UTILITY MODEL CONTENTS

[0006] In view of the problems in the related art, the utility model provides a feeder clamp with self-locking function to overcome the above technical problems existing in the prior art.

[0007] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0008] The utility model is a kind of feeder clamp with self-locking function, including mounting piece, the bottom of mounting piece is provided with fixed screw rod, the outer surface of fixed screw rod is respectively penetrated and is threadedly connected with first clamp, second clamp and third clamp, the inside of first clamp, second clamp and third clamp is all equipped with threaded hole, the outer surface of first clamp, second clamp and third clamp is all fixedly connected with connecting plate, the inner wall of connecting plate is provided with elastic connecting piece, and the two ends of elastic connecting piece are all fixedly connected with elastic clamping block.

[0009] Further, the mounting piece is U-shaped, an installation screw rod is threadedly connected to the inside of the mounting piece, and a gasket is fixedly connected to the bottom of the installation screw rod.

[0010] Further, a fixing nut is threadedly connected to the bottom of the fixing screw rod, the fixing nut is located at the bottom of the third clamp, and the fixing screw rod penetrates through and is threadedly connected to the inside of the threaded hole.

[0011] Further, the first clamp, the second clamp and the third clamp are each composed of two groups of plastic cards, and the inner walls of the first clamp, the second clamp and the third clamp are each provided with an inner circular hole.

[0012] Further, the elastic connecting piece comprises a center spring, both ends of the center spring are fixedly connected with extension plates, one end of each extension plate is fixedly connected with an extension spring, and the elastic clamping block is fixedly connected with the extension spring.

[0013] Further, the elastic clamping block comprises a connecting block, one end of the connecting block is fixedly connected with an inner clamping block, and both ends of the inner clamping block are provided with elastic flat clamping plates.

[0014] The utility model has the following beneficial effects:

[0015] 1. The utility model discloses a cable fixing device, which comprises a first clamp, a second clamp and a third clamp, and a mounting piece is arranged between the first clamp and the third clamp.

[0016] 2. When the second clamp needs to be connected with the first clamp and the third clamp respectively, the extension spring on one side of the extension plate penetrates through the inside of the connecting plate and extends to the inside of the connecting plate outside the first clamp and the third clamp, so that the extension spring drives the elastic clamping blocks at both ends to automatically extend to both ends of the first clamp and the third clamp and be clamped on the outside of the connecting plate after being extruded by the perforations in the inner wall of the connecting plate, thereby achieving self-locking effect.

[0017] Of course, any product implementing the present application does not necessarily need to achieve all the advantages mentioned above simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the present application, the drawings needed for the description of the embodiments will be briefly introduced. Obviously, the drawings described below are only some of the embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present application;

[0020] Figure 2 It is a schematic diagram of the mounting structure of the present application;

[0021] Figure 3 It is a schematic diagram of the second clamp structure of the present application;

[0022] Figure 4 It is a schematic diagram of the center spring structure of the present application;

[0023] Figure 5 It is a schematic diagram of the Figure 4 enlarged structure at A of the present application;

[0024] Figure 6 It is a schematic diagram of the first clamp explosion structure of the present application;

[0025] In the drawings, the component list represented by each number is as follows:

[0026] 1, mounting; 2, fixed screw; 4, first clamp; 5, second clamp; 6, third clamp; 7, threaded hole; 8, connecting plate; 9, elastic connecting piece; 10, elastic clamping block; 11, mounting screw; 12, gasket; 13, fixed nut; 14, inner circular hole; 901, center spring; 902, extension plate; 903, extension spring; 1011, connecting block; 1012, inner clamping block; 1013, elastic flat clamping plate. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0028] In the description of the utility model, it is understood that the terms "opening", "upper", "lower", "top", "middle", "inner" and the like indicate the orientation or positional relationship, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated component or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0029] Please refer to Figures 1-6 As shown in the utility model is a kind of with self-locking function's feeder clamp, including mounting piece 1, the bottom of mounting piece 1 is provided with fixed screw rod 2, the outer surface of fixed screw rod 2 is respectively penetrated and is threadedly connected with first clamp 4, second clamp 5 and third clamp 6, the inside of first clamp 4, second clamp 5 and third clamp 6 is all set with threaded hole 7, the outer surface of first clamp 4, second clamp 5 and third clamp 6 is all fixedly connected with connecting plate 8, the inner wall of connecting plate 8 is provided with elastic connecting piece 9, the both ends of elastic connecting piece 9 are all fixedly connected with elastic clamping block 10.

[0030] In use, the both ends of elastic connecting piece 9 are respectively penetrated through the inner wall of connecting plate 8 outside second clamp 5, and first clamp 4 and third clamp 6 are respectively attached to the two sides of second clamp 5, at this time, the both ends of elastic connecting piece 9 extend to the outside of first clamp 4 and third clamp 6 to penetrate into the inside of connecting plate 8 outside first clamp 4 and third clamp 6, so that the elastic clamping block 10 at both ends extends to the outside of first clamp 4 and third clamp 6 and is extruded by the inner wall of connecting plate 8 to rebound, the elastic clamping block 10 after rebound is limited to the outside of the outermost connecting plate 8 to lock first clamp 4, second clamp 5 and third clamp 6, after cable is respectively penetrated into the inside of first clamp 4 to third clamp 6, the bottom fixed screw rod 2 of mounting piece 1 is penetrated through the bottom of first clamp 4 to third clamp 6 and locked, and one side of first clamp 4 to third clamp 6 is locked and limited.

[0031] The utility model discloses a connecting plate 8 is arranged on the outside of first clamp 4, second clamp 5 and third clamp 6, when needing to use it to fix cable, the elastic clamping block 10 is extended to the outside of first clamp 4 and third clamp 6 by penetrating connecting plate 8 with elastic connecting piece 9, so that the elastic clamping block 10 at both ends can be extruded and rebounded after being penetrated through the perforation of the inner wall of connecting plate 8 and clamped on the outside of connecting plate 8, so that first clamp 4, second clamp 5 and third clamp 6 are locked and limited, and then when the bottom fixed screw rod 2 of mounting piece 1 is penetrated and connected, when loosening occurs, the outside still has certain connecting effect, prevents the phenomenon of loosening from affecting the fixing effect of cable.

[0032] In one embodiment, for the above-mentioned mounting piece 1, the mounting piece 1 is U-shaped, a mounting screw 11 is threadedly connected to the inside of the mounting piece 1, and a gasket 12 is fixedly connected to the bottom of the mounting screw 11.

[0033] By penetrating the gasket 12 through the inside of the mounting piece 1, the mounting piece 1 is clamped on the required fixed object, and the gasket 12 can be tightly pressed against the outer wall of the fixed object to reduce wear.

[0034] In one embodiment, for the above-mentioned fixed screw 2, a fixed nut 13 is threadedly connected to the bottom of the fixed screw 2, the fixed nut 13 is located at the bottom of the third clamp 6, and the fixed screw 2 penetrates and is threadedly connected to the inside of the threaded hole 7.

[0035] By locking the fixed nut 13 on the outside of the fixed screw 2, it is tightly pressed against the bottom of the third clamp 6, so that the first clamp 4, the second clamp 5, and the third clamp 6 are matched after being attached, and the fixed screw 2 is connected to the fixed nut 13 below the mounting piece 1, thereby providing multiple fixed channels for the cable.

[0036] In one embodiment, for the above-mentioned first clamp 4, the first clamp 4, the second clamp 5, and the third clamp 6 are each composed of two plastic clamps, and the inner walls of the first clamp 4, the second clamp 5, and the third clamp 6 are each provided with an inner circular hole 14.

[0037] The first clamp 4, the second clamp 5, and the third clamp 6 are each composed of two half plastic clamps, thereby providing a clamping and fixing channel for the cable before assembly, and after assembly, the inner circular hole 14 is formed to have a fixed limiting effect on the outside of the cable.

[0038] In one embodiment, for the above-mentioned elastic connecting piece 9, the elastic connecting piece 9 includes a center spring 901, both ends of the center spring 901 are fixedly connected with an extension plate 902, one end of the extension plate 902 is fixedly connected with an extension spring 903, and the elastic clamping block 10 is fixedly connected with the extension spring 903.

[0039] When the second clamp 5 needs to be connected with the first clamp 4 and the third clamp 6 respectively, the extension spring 903 on one side of the extension plate 902 is penetrated through the inside of the connecting plate 8 and extended to the inside of the connecting plate 8 outside the first clamp 4 and the third clamp 6 by pressing the center spring 901, so that the extension spring 903 drives the two elastic clamping blocks 10 to automatically extend to both ends of the first clamp 4 and the third clamp 6, and after being pressed by the perforations in the inner wall of the connecting plate 8, the elastic clamping blocks 10 automatically rebound and are clamped outside the connecting plate 8, thereby achieving self-locking effect.

[0040] In one embodiment, for the elastic clamping block 10 described above, the elastic clamping block 10 comprises a connecting block 1011, one end of the connecting block 1011 is fixedly connected with an inner clamping block 1012, both ends of the inner clamping block 1012 are provided with elastic flat clamping plates 1013.

[0041] When the extension spring 903 drives the connecting block 1011 to extend to both ends, the inner clamping block 1012 is limited inside the outermost end connecting plate 8, so that when the elastic flat clamping plate 1013 continues to extend and is extruded by the inner wall of the connecting plate 8, it penetrates to the other side of the connecting plate 8 and rebounds to be clamped outside the connecting plate 8 to form a locked state.

[0042] Through the above technical scheme, 1. By arranging the connecting plate 8 outside the first clamp 4, the second clamp 5 and the third clamp 6, when it is needed to use it to fix the cable, the elastic connecting piece 9 penetrates the connecting plate 8 to cooperate with the extension of the elastic clamping block 10 to the outside of the first clamp 4 and the third clamp 6, so that the elastic clamping block 10 at both ends can be extruded and rebounded to be clamped outside the connecting plate 8 after penetrating the hole in the inner wall of the connecting plate 8, so that the first clamp 4, the second clamp 5 and the third clamp 6 are locked and limited, and when the bottom fixing screw 2 of the mounting piece 1 penetrates and connects, when it is loose, the outside still has a certain connection effect, preventing the phenomenon of loosening from affecting the fixing effect of the cable; 2. When the second clamp 5 needs to be connected with the first clamp 4 and the third clamp 6 respectively, the extension spring 903 on one side of the extension plate 902 is extruded by the center spring 901 to penetrate the inside of the connecting plate 8 and extend to the inside of the connecting plate 8 outside the first clamp 4 and the third clamp 6, so that the extension spring 903 drives the elastic clamping block 10 at both ends to automatically extend to both ends of the first clamp 4 and the third clamp 6, and is extruded by the hole in the inner wall of the connecting plate 8 to automatically rebound and be clamped outside the connecting plate 8, so as to achieve self-locking effect; when the extension spring 903 drives the connecting block 1011 to extend to both ends, the inner clamping block 1012 is limited inside the outermost end connecting plate 8, so that when the elastic flat clamping plate 1013 continues to extend and is extruded by the inner wall of the connecting plate 8, it penetrates to the other side of the connecting plate 8 and rebounds to be clamped outside the connecting plate 8 to form a locked state.

[0043] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0044] The preferred embodiments of the utility model disclosed above are only used for illustrating the utility model. The preferred embodiments do not describe all the details, and the utility model is not limited to the specific embodiments described. Obviously, according to the content of the description, many modifications and changes can be made. The description selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited only by the claims and the entire scope and equivalents thereof.

Claims

1. A feeder clamp with self-locking function, comprising a mounting member (1), characterized in that: The bottom of the mounting piece (1) is provided with a fixing screw rod (2), the outer surface of the fixing screw rod (2) is respectively penetrated and threadedly connected with a first clamp (4), a second clamp (5) and a third clamp (6), the inside of the first clamp (4), the second clamp (5) and the third clamp (6) is respectively provided with a threaded hole (7), the outer surface of the first clamp (4), the second clamp (5) and the third clamp (6) is fixedly connected with a connecting plate (8), the inner wall of the connecting plate (8) is provided with an elastic connecting piece (9), the both ends of the elastic connecting piece (9) are fixedly connected with an elastic clamping block (10).

2. The feeder clamp with self-locking function according to claim 1, characterized in that, The mounting piece (1) is U-shaped, the inside of the mounting piece (1) is threadedly connected with a mounting screw rod (11), the bottom of the mounting screw rod (11) is fixedly connected with a gasket (12).

3. The feeder clamp with self-locking function according to claim 1, characterized in that, The bottom of the fixing screw rod (2) is threadedly connected with a fixing nut (13), the fixing nut (13) is located at the bottom of the third clamp (6), the fixing screw rod (2) is penetrated and threadedly connected in the inside of the threaded hole (7).

4. The feeder clamp with self-locking function according to claim 1, characterized in that, The first clamp (4), the second clamp (5) and the third clamp (6) are all composed of two groups of plastic clamps, and the inner wall of the first clamp (4), the second clamp (5) and the third clamp (6) is provided with an inner circular hole (14).

5. The self-locking feedline clamp of claim 1, wherein: The elastic connecting piece (9) comprises a center spring (901), the both ends of the center spring (901) are fixedly connected with an extension plate (902), one end of the extension plate (902) is fixedly connected with an extension spring (903), the elastic clamping block (10) is fixedly connected with the extension spring (903).

6. The self-locking feedline clamp of claim 1, wherein, The elastic clamping block (10) comprises a connecting block (1011), one end of the connecting block (1011) is fixedly connected with an inner clamping block (1012), the both ends of the inner clamping block (1012) are provided with elastic flat clamping plates (1013).

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