CN217334436U - Ammeter fastener connector - Google Patents

Abstract

The utility model discloses an ammeter fastener connector, wherein, the cable clamp includes: a cable clamp body; the first upper chuck is connected with the cable clamp body in a sliding manner and can move up and down, and the lower surface of the first upper chuck is an arc-shaped concave surface; the lower end of the first adjusting screw is rotationally connected with the first upper chuck, and the upper end of the first adjusting screw is in threaded connection with the cable clamp body; the upper surface of the lower chuck is an arc-shaped concave surface, the lower chuck and the first upper chuck are opposite up and down and form a wire passing space capable of clamping a cable together, the lower chuck comprises a fixed part and a movable part, the fixed part is connected with the cable clamp body and is opposite to the movable part in the front-back direction, and the movable part is connected with the fixed part in a sliding manner and can move back and forth; and the adjusting bolt comprises a rotating part and a threaded part, wherein one of the rotating part and the threaded part is connected with the fixed part, and the other one of the rotating part and the threaded part is connected with the movable part. The adjusting bolt is rotated to adjust the distance between the movable part and the fixed part, so that the lower chuck can support cables with different outer diameters and is matched with the first upper chuck to clamp the cables together.

Description

Ammeter fastener connector

Technical Field

The utility model relates to a power equipment technical field, in particular to ammeter fastener connector.

Background

Ammeter fastener connector is used for being connected outdoor cable and the wire of ammeter case, fine solution ammeter wiring problem of registering one's residence.

Chinese utility model patent with application number CN201620897759.9 discloses an easily install firm ammeter binding clip of crimping, ammeter binding clip is including the ammeter fastener that is used for centre gripping ammeter line and the cable clamp that is used for the centre gripping cable, wherein, the cable clamp includes a cable clamp body, be provided with quiet chuck and fastening screw relatively on the cable clamp body, install fastening bolt on the fastening screw, fastening bolt's both ends are press from both sides line end and fastening end respectively, press from both sides the line end and form the line space of crossing that is used for centre gripping cable with the cooperation of quiet chuck, during the use, place into the line space with the cable, thereby it makes the relative quiet chuck reciprocating motion of press from both sides the line end to drive fastening bolt rotation through rotating the fastening end, and then make the quiet chuck of press from both sides line end cooperation press from both sides tight cable.

However, the current ammeter fastener can only be used for clamping cables with fixed specifications, and is poor in universality, so that workers need to select ammeter fasteners with different sizes according to cables with different sizes, otherwise, the ammeter fasteners cannot be firmly clamped on the cables, and the ammeter fasteners are easy to loosen.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ammeter fastener connector to solve one or more technical problem that exist among the prior art.

The technical scheme adopted for solving the technical problems is as follows:

the utility model discloses an ammeter fastener connector, including the cable clamp, the cable clamp includes:

a cable clamp body;

the first upper chuck is connected with the cable clamp body in a sliding mode and can move up and down, and the lower surface of the first upper chuck is an arc-shaped concave surface;

the lower end of the first adjusting screw is rotationally connected with the first upper chuck, and the upper end of the first adjusting screw is in threaded connection with the cable clamp body;

the upper surface of the lower chuck is an arc-shaped concave surface, the lower chuck and the first upper chuck are arranged oppositely from top to bottom and form a wire passing space for clamping a cable together, the lower chuck comprises a fixed part and a movable part, the fixed part and the movable part are arranged oppositely from front to back, the fixed part is connected with the cable clamp body, and the movable part is connected with the fixed part in a sliding manner and can move back and forth;

and an adjusting bolt including a rotating portion and a threaded portion, one of the rotating portion and the threaded portion being connected with the fixed portion, and the other being connected with the movable portion.

The utility model discloses following beneficial effect has at least: the cable clamp comprises a cable clamp body, a first upper clamp, a first adjusting screw, a lower clamp and an adjusting bolt, wherein the first upper clamp and the lower clamp are opposite up and down, a wire passing space can be formed by the lower surface of the first upper clamp and the upper surface of the lower clamp together, the exposed metal part of the cable is arranged in the wire passing space, the first upper clamp is connected with the cable clamp body in a sliding manner, the first adjusting screw is in threaded connection with the cable clamp body, and the lower end of the first adjusting screw is rotationally connected with the first upper clamp, so that the first adjusting screw can be rotated to drive the first upper clamp to move downwards, the cable is fixed under the action of the first upper clamp and the lower clamp, and the connection of the ammeter cable clamp connector and the cable is realized; moreover, lower chuck includes fixed part and movable part, and fixed part and movable part are relative around being, and the movable part slides with the fixed part and is connected, and sets up adjusting bolt between fixed part and movable part, through rotatory adjusting bolt, can adjust the fore-and-aft distance between movable part and the fixed part to can make lower chuck can be executed support, limiting displacement to the cable of different external diameters, and cooperate first chuck to execute firm stable centre gripping fixed action to the cable.

As a further improvement of the above technical scheme, the electric meter wire clamp connector further comprises a spring; the adjusting bolt is characterized by further comprising an adjusting head part, the rotating part and the thread part are sequentially connected, the fixed part is provided with a connecting hole, the movable part is provided with a connecting screw hole, the rotating part penetrates through the connecting hole, the thread part is connected with the connecting screw hole, the spring sleeve is arranged on the adjusting bolt, one end of the spring is connected with the adjusting head part, and the other end of the spring is connected with the fixed part.

The adjusting bolt comprises an adjusting head part, a rotating part and a thread part which are sequentially connected, wherein the fixing part of the lower chuck is connected with the rotating part through a connecting hole, so that the rotating part can rotate relative to the fixing part and move linearly, and the movable part of the lower chuck is connected with the thread part through a connecting screw hole, so that the thread part is fixed with the movable part of the lower chuck; when the electric meter wire clamp connector is assembled, the rotating part sequentially penetrates through the spring and the connecting hole, and then the adjusting bolt is rotated to enable the threaded part to be connected with the movable part of the lower chuck, so that the adjusting bolt and the spring are installed; when the electric meter wire clamp connector is connected with a cable, force is applied to the movable part, the distance between the fixed part and the movable part is increased, and a large enough space is provided for the cable; by the design, auxiliary tools are not needed, and the operation difficulty is greatly reduced.

As a further improvement of the above technical solution, the surface of the movable portion facing the fixed portion is provided with a plurality of bumps, the bumps are arranged at intervals along the left-right direction, the surface of the fixed portion facing the movable portion is provided with a groove, and the bumps are in adaptive connection with the grooves.

The movable part sets up a plurality of lugs of arranging along left right direction interval, and the fixed part sets up corresponding a plurality of recesses, and in the lug correspondence inserted groove, the realization movable part slided with the fixed part and is connected, can increase the motion stability of movable part.

As a further improvement of the technical scheme, the lug is positioned at the bottom of the arc concave surface of the lower chuck. The lug is established in the bottom of the arc concave surface of lower chuck, and when the chuck exerted the supporting role to the great cable of external diameter under, there was certain clearance between movable part and the fixed part, because the setting of lug can provide the supporting role for the cable, avoided the bottom of cable to sink into the clearance of movable part and fixed part because of the first effect of pushing down of going up the chuck to cause the cable to warp and lead to the clamping action that this ammeter fastener connector was executed to appear firmly and stable problem inadequately.

As a further improvement of the above technical scheme, the first upper clamp is provided with a first clamping groove with an upward opening, the first clamping groove penetrates through the left side surface and the right side surface of the first upper clamp, the lower end of the first adjusting screw is provided with a first clamping block, and the first clamping block is in adaptive connection with the first clamping groove. The first upper clamping head is provided with the first clamping groove, the first adjusting screw is provided with the first clamping block, and the first clamping groove penetrates through the left side surface and the right side surface of the first upper clamping head, so that the first clamping block can slide into the first clamping groove leftwards or rightwards, the first upper clamping head is quickly connected with the first adjusting screw, and the first upper clamping head is easy to assemble, disassemble and replace.

As a further improvement of the above technical scheme, the electric meter wire clamp connector further comprises a second upper clamping head and a second adjusting screw rod; the utility model discloses a cable clamp, including first chuck, second chuck, first chuck, second adjusting screw, second chuck, lower chuck, the chuck is gone up to the second with relative setting about first chuck is, the chuck is gone up to the second with the chuck slides and connects and can reciprocate about the second is, the lower surface of chuck is the arc concave surface on the second, the chuck is gone up to the second with relative setting about the chuck is down, the lower extreme of second adjusting screw with the chuck rotates to be connected on the second, the upper end of second adjusting screw with this body threaded connection of cable clamp.

The second upper clamping head and the first upper clamping head are oppositely arranged from left to right, the second upper clamping head and the lower clamping head are oppositely arranged from top to bottom, the lower surface of the second upper clamping head is an arc-shaped concave surface and can be matched with the lower clamping head to clamp a cable, the second upper clamping head is connected with the cable clamp body in a sliding mode, the lower end of the second adjusting screw is rotatably connected with the second upper clamping head, the second adjusting screw is in threaded connection with the cable clamp body, the second adjusting screw can move up and down relative to the cable clamp body when being rotated, at the moment, the second upper clamping head cannot rotate along with the second adjusting screw and moves linearly along with the second adjusting screw, and therefore the second adjusting screw drives the second upper clamping head to move up and down.

As a further improvement of the above technical scheme, the second upper clamping head is provided with a second clamping groove with an upward opening, the second clamping groove penetrates through the left side surface and the right side surface of the second upper clamping head, the lower end of the second adjusting screw is provided with a second clamping block, and the second clamping block is in adaptive connection with the second clamping groove. The second clamping groove is formed in the second upper clamping head, the second adjusting screw is provided with the second clamping block, and the second clamping groove penetrates through the left side face and the right side face of the second upper clamping head, so that the second clamping block can slide into the second clamping groove in the left-right direction, and the second adjusting screw can be quickly connected to the second upper clamping head.

As above-mentioned technical scheme's further improvement, ammeter fastener connector still includes the protective housing: the protective shell comprises an upper shell body, a fixed shell and a movable shell, the fixed shell and the movable shell are both positioned below the upper shell body, the fixed shell is connected with the upper shell, the movable shell is connected with the upper shell in a sliding way and can move back and forth, the fixed shell and the movable shell are arranged oppositely in the front and back direction, the fixed shell and the movable shell can be detachably connected and form a lower shell together, the lower shell is hollow to form a protection cavity, the lower shell is provided with a through hole for a cable to pass through, the through hole is communicated with the protection cavity, the surface of the fixed shell facing the movable shell is provided with a first convex edge, the first convex edge is arranged along the edge of the fixed shell, the surface of the movable shell facing the fixed shell is provided with a second convex edge, the second chimb is along the border setting of activity shell, first chimb with second chimb adaptation is connected.

The protective shell comprises an upper shell, a fixed shell and a movable shell, the fixed shell is fixed with the upper shell, the movable shell is connected with the upper shell in a sliding mode and is driven to move towards the direction away from the fixed shell, so that a cable can be placed in the protective cavity of the lower shell and penetrates through the through hole of the lower shell, and after the cable is fixed, the movable shell is driven to move in the reverse direction and is connected with the fixed shell to provide an insulation protection effect for the exposed metal part of the cable; and, the set casing sets up first chimb, first chimb sets up along the border of set casing, the activity shell sets up the second chimb, the second chimb sets up along the border of activity shell, when the cable of activity shell and set casing to different external diameters is executed with the protection effect, there is certain clearance between activity shell and the set casing, because first chimb and second chimb adaptation connection, therefore, first chimb and second chimb can keep the state that partly overlaps all the time, reach seamless sealed effect after connecting with the activity shell in order to guarantee that set casing and activity shell, avoid impurity such as dust to get into in the protection cavity through the clearance between set casing and the activity shell.

As a further improvement of the above technical scheme, the bottom of set casing is equipped with the joint spare, the joint spare is equipped with the card protrudingly, the card is protruding to be equipped with a plurality ofly and to set up along the fore-and-aft direction interval, the bottom of activity shell is equipped with the fastener, the fastener is equipped with the card hole, the card protruding with card hole buckle is connected.

The fixed shell is provided with a clamping piece, the clamping piece is provided with a clamping protrusion, the movable shell is correspondingly provided with a fastener, the fastener is provided with a clamping hole, when the movable shell moves in place and is connected with the fixed shell, the clamping protrusion of the clamping piece is inserted into the clamping hole, and the movable shell and the fixed shell are fixed by utilizing the clamping effect of the clamping protrusion on the clamping hole; moreover, the protruding being equipped with of card is a plurality of and arrange along the fore-and-aft direction interval, when this ammeter fastener connector is connected with the cable of different external diameters, produces the buckle effect through calorie hole and corresponding card protruding, makes activity shell and fixed shell fixed mutually and exerts good guard action to the cable.

As a further improvement of the above technical scheme, the electric meter wire clamp connector further comprises an electric meter wire clamp; the ammeter fastener includes ammeter fastener body, latch segment and locking screw, ammeter fastener body with this body coupling of cable clamp just can electrically conduct each other, ammeter fastener body is equipped with centre gripping chamber and line hole, the latch segment is established the centre gripping intracavity just can reciprocate, locking screw's lower extreme with the latch segment rotates to be connected, locking screw's upper end with ammeter fastener body threaded connection, the line hole with centre gripping chamber intercommunication, the line hole is located the ammeter fastener body is kept away from one side of cable clamp body.

The ammeter wire clamp comprises an ammeter wire clamp body, a locking block and a locking screw rod, wherein the ammeter wire clamp body is provided with a clamping cavity and a wire hole, an ammeter wire can penetrate through the wire hole and extend into the clamping cavity, the locking block is located in the clamping cavity, the lower end of the locking screw rod is rotatably connected with the locking block, the locking screw rod is in threaded connection with the ammeter wire clamp body, when the locking screw rod is rotated, the locking screw rod can drive the locking block to move along the up-and-down direction, the lower surface of the locking block can be matched with the wall surface of the clamping cavity to clamp the ammeter wire extending into the clamping cavity, and the ammeter wire is connected with the ammeter wire clamp; and the ammeter wire clamp body and the cable wire clamp body are mutually conductive, so that the current of the cable flows to an ammeter wire through the ammeter wire clamp connector, and the wiring work of the ammeter in the house is finished.

Drawings

The present invention will be further explained with reference to the drawings and examples;

fig. 1 is a perspective view of an electric meter clamp connector according to an embodiment of the present invention, with a protective case omitted and a lower clamp reset;

fig. 2 is a perspective view of an electric meter clamp connector according to an embodiment of the present invention, with the protective shell and the lower clamp omitted from extension;

FIG. 3 is a perspective view of the structure of FIG. 2 from another perspective;

FIG. 4 is a cross-sectional view of FIG. 1 in the XZ plane;

FIG. 5 is a cross-sectional view of FIG. 2 in the XZ plane;

FIG. 6 is another cross-sectional view in the XZ plane of FIG. 2;

fig. 7 is a perspective view of the protective shell according to the embodiment of the present invention in a state where the lower chuck is reset;

fig. 8 is a perspective view of the protective shell according to the embodiment of the present invention in a state where the lower chuck is extended;

fig. 9 is a perspective view of a movable shell according to an embodiment of the present invention;

fig. 10 is a perspective view of a structure in which the fixing case and the upper case are connected according to the embodiment of the present invention.

The drawings are numbered as follows: 110. a cable clamp body; 120. a first upper chuck; 121. a first adjusting screw; 130. a second upper clamp; 131. a second adjusting screw; 140. a fixed part; 150. a movable portion; 151. a bump; 160. a locking block; 161. locking the screw rod; 170. a wire passing space; 180. a wire hole; 190. a cavity; 300. adjusting the bolt; 400. a spring; 510. an upper housing; 511. a guide rail; 520. a stationary case; 521. a first flange; 530. a clamping piece; 540. a movable shell; 541. a guide groove; 542. a second flange; 550. a fastener; 560. and a through hole.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number. If any description to first, second and third is only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

It should be noted that, in the drawings, the X direction is directed from the rear side to the front side of the meter terminal connector, the Y direction is directed from the left side to the right side of the meter terminal connector, and the Z direction is directed from the lower side to the upper side of the meter terminal connector.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 10, several embodiments of the electric meter clip connector of the present invention will be described.

As shown in fig. 1 to 10, the utility model provides an ammeter fastener connector for be connected cable and ammeter line, ammeter fastener connector includes cable clamp, ammeter fastener and protective housing.

As shown in fig. 1 to 6, the cable clamp includes a cable clamp body 110, a first upper clamp 120, a first adjusting screw 121, a lower clamp, and an adjusting bolt 300. The cable clamp body 110, the first upper clamp 120, the first adjusting screw 121, the lower clamp, and the adjusting bolt 300 may be made of a metal material and may be conductive.

The shape of the cable clamp body 110 is not limited, in this embodiment, the cable clamp body 110 is U-shaped, the cable clamp body 110 has a cavity 190, a notch communicated with the cavity 190 is arranged at the bottom of the cable clamp body 110, and the notch is located at the rear side of the cable clamp body 110.

The first upper clamp 120 is slidably connected to the cable clamp body 110 and can move up and down, and specifically, a front side and a rear side of the first upper clamp 120 are respectively in contact with an inner front wall and an inner rear wall of the cavity 190 of the cable clamp body 110. The lower surface of the first upper cartridge 120 is an arc-shaped concave surface.

The lower end of the first adjusting screw 121 is rotatably connected with the first upper clamping head 120, the upper end of the first adjusting screw 121 is in threaded connection with the cable clamp body 110, specifically, the first upper clamping head 120 is provided with a first clamping groove with an upward opening, the first clamping groove can be a T-shaped groove, the first clamping groove penetrates through the left side surface and the right side surface of the first upper clamping head 120, the lower end of the first adjusting screw 121 is provided with a first clamping block, the first clamping block can be a cylinder with an outer diameter larger than that of the lower end of the first adjusting screw 121, and the first clamping block is in adaptive connection with the first clamping groove. The cable clamp body 110 is provided with a screw hole penetrating through the upper part and the lower part, the first adjusting screw 121 is provided with a threaded section, the outer diameter of the threaded section is larger than that of the first clamping block, and the threaded section can be connected with the screw hole.

The first adjusting screw 121 is screwed into the screw hole of the cable clamp body 110 from top to bottom, and then the first upper clamp 120 is moved in the left-right direction to be mounted on the cable clamp body 110, and at the same time, the first clamping block is driven to slide into the first clamping groove, so that the connection of the first adjusting screw 121, the cable clamp body 110 and the first upper clamp 120 is realized.

The upper surface of the lower collet is an arc concave surface, the lower collet is disposed opposite to the first upper collet 120 in a vertical direction, the lower collet is disposed below the first upper collet 120, and the lower collet and the first upper collet 120 together form a wire passing space 170 for clamping a cable.

The lower chuck comprises a fixed part 140 and a movable part 150, the fixed part 140 and the movable part 150 are arranged in a front-back opposite manner, in this embodiment, the fixed part 140 is located at the front side of the movable part 150, and both the fixed part 140 and the movable part 150 are arc-shaped. The fixing portion 140 is connected to the cable clamp body 110, for example, by an integral molding process.

The movable portion 150 is connected with the fixed portion 140 in a sliding manner and can move back and forth, specifically, a plurality of bumps 151 are arranged on the surface of the movable portion 150 facing the fixed portion 140, the bumps 151 are arranged at intervals along the left-right direction, a groove is arranged on the surface of the fixed portion 140 facing the movable portion 150, and the bumps 151 are connected with the groove in an adaptive manner. In the process that the movable part 150 moves back and forth relative to the fixed part 140, the bump 151 is always positioned in the groove and is limited by the groove, so that the movable part 150 can be prevented from rotating and shaking in the left and right directions. In the embodiment, the protrusion 151 is located on the front side of the movable portion 150, the protrusion 151 is in a square bar shape, and the recess is located on the rear side of the fixed portion 140.

Further, the protrusion 151 is located at the bottom of the arc-shaped concave surface of the lower chuck, so that the upper surface of the protrusion 151 can support the cable after the movable portion 150 moves to a position away from the fixed portion 140.

When the lower chuck exerts a supporting effect on a cable with a larger outer diameter, a certain gap exists between the movable part 150 and the fixed part 140, and due to the arrangement of the convex block 151, the supporting effect can be provided for the cable, so that the problem that the bottom of the cable is sunk into the gap between the movable part 150 and the fixed part 140 due to the pressing effect of the first upper chuck 120, and the cable is deformed to cause the problem that the clamping effect exerted by the electric meter wire clamp connector is not firm enough and stable is caused.

In other embodiments, the protrusion 151 may be a cylinder, and the groove may be a cylindrical groove, which may penetrate through the front and rear sides of the fixing portion 140.

The adjusting bolt 300 includes an adjusting head portion, a rotating portion, and a thread portion, the adjusting head portion may be an outer hexagonal head portion or a head portion having an inner hexagonal hole, the adjusting head portion, the rotating portion, and the thread portion are sequentially connected, the rotating portion is connected to the connecting through hole of the fixing portion 140, and the thread portion is connected to the threaded through hole of the movable portion 150. When the adjusting bolt 300 is rotated, the adjusting bolt 300 rotates relative to the fixing portion 140 to enable the threaded portion to be screwed into or out of the threaded through hole of the movable portion 150, so that the movable portion 150 is driven to be close to or far away from the fixing portion 140 to adjust the distance between the movable portion 150 and the fixing portion 140, and the lower chuck can adapt to cables with different outer diameters and can perform sufficient supporting and limiting effects.

In other embodiments, the threaded portion is coupled to the fixed portion 140 and the rotating portion is coupled to the movable portion 150.

As shown in fig. 1-6, the electric meter clamp includes an electric meter clamp body, a locking block 160, and a locking screw 161. The ammeter fastener body, the locking block 160 and the locking screw 161 are made of metal materials and can conduct electricity.

The ammeter fastener body is connected with the cable fastener body 110, if the connection between the ammeter fastener body and the cable fastener body is realized through an integrated molding process. Moreover, ammeter fastener body and cable clamp body 110 can electrically conduct each other, and ammeter fastener body is equipped with centre gripping chamber and line hole 180, and in this embodiment, the left surface and the right flank of ammeter fastener body are run through in the centre gripping chamber, and cable clamp body 110 is located the front side of ammeter fastener body.

The latch segment 160 is established at the centre gripping intracavity, and the leading flank and the trailing flank of latch segment 160 correspond respectively and contact with the interior front wall face and interior back wall face in centre gripping chamber, and line hole 180 and centre gripping chamber intercommunication, line hole 180 are located the one side that the cable clamp body 110 was kept away from to the ammeter fastener body, and line hole 180 can set up a plurality ofly, and their apertures can be different. In this embodiment, there are two wire holes 180, and the wire holes 180 are located on the rear side of the electric meter clamp body.

The utility model discloses a locking block 160 can reciprocate relatively the ammeter fastener body, the lower extreme and the locking block 160 of locking screw 161 rotate to be connected, the upper end and the ammeter fastener body threaded connection of locking screw 161, it is specific, ammeter fastener body is equipped with the screw, locking screw 161 is equipped with the screw thread section, locking block 160 is equipped with opening joint groove up, the joint groove runs through the left and right sides of locking block 160, the lower extreme of locking screw 161 is equipped with the joint piece, the joint piece is cylindric, the outer diameter of joint piece is bigger than the lower extreme of locking screw 161, and be less than the screw thread section of locking screw 161.

Locking screw 161 screws into the screw of electric meter wire clamp body, then places latch segment 160 in the centre gripping chamber, makes the joint piece insert the joint groove simultaneously to accomplish latch segment 160 and the convenient connection of locking screw 161.

After the ammeter line passes line hole 180 and stretches into the centre gripping chamber, rotatory locking screw 161 lets locking screw 161 drive latch 160 move down, and the lower surface of latch 160 can cooperate the interior lower wall face in centre gripping chamber, exerts the clamping action to the ammeter line that stretches into the centre gripping intracavity, realizes that the ammeter line is connected with the ammeter fastener.

As shown in fig. 7 to 10, the protective case may be made of plastic. The protective case includes an upper case 510, a stationary case 520, and a movable case 540.

The stationary case 520 and the movable case 540 are disposed opposite to each other in a front-rear direction, and in this embodiment, the stationary case 520 is located at a front side of the movable case 540. Casing under fixed shell 520 and activity shell 540 releasable connection and common formation, the internal cavity of inferior valve forms the protection cavity, and the casing is equipped with the through-hole 560 that the power cable passed down, and through-hole 560 runs through the left surface and the right flank of casing down, through-hole 560 and protection cavity intercommunication.

The fixed shell 520 and the movable shell 540 are both located below the upper shell 510, and the fixed shell 520 is connected with the upper shell 510, for example, the connection can be completed by an integral molding process or a snap structure.

The movable shell 540 slides with last casing 510 and is connected and can the back-and-forth movement, and is concrete, the left surface and the right flank of going up casing 510 all are equipped with guided way 511, and the both ends of guided way 511 extend the setting along the fore-and-aft direction, and movable shell 540 corresponds and is equipped with guide way 541, and the leading flank and the trailing flank of movable shell 540 are run through to the both ends of guide way 541, and when movable shell 540 moved towards the direction that is close to stationary housing 520, guide way 511 can correspond and insert guide way 541.

The surface of the fixed shell 520 facing the movable shell 540 is provided with a first convex edge 521, the first convex edge 521 is arranged along the edge of the fixed shell 520, the surface of the movable shell 540 facing the fixed shell 520 is provided with a second convex edge 542, the second convex edge 542 is arranged along the edge of the movable shell 540, and the first convex edge 521 is in fit connection with the second convex edge 542. In this embodiment, the rear side of the fixed shell 520 is provided with a first convex edge 521, the front side of the movable shell 540 is provided with a second convex edge 542, the first convex edge 521 is close to the protection cavity of the lower housing, and the second convex edge 542 is far away from the protection cavity of the lower housing. The outer side surface of the first convex edge 521 contacts with the inner side surface of the second convex edge 542, so that the side close to the protection cavity is the inner side.

Driving the movable shell 540 to move away from the fixed shell 520, so that the cable can be placed in the protection cavity of the lower shell and pass through the through hole 560 of the lower shell; after the cable is fixed, the movable shell 540 is driven to move reversely and is connected with the fixed shell 520, and insulation protection is provided for the exposed metal part of the cable.

When the movable shell 540 and the fixed shell 520 exert the protection effect on cables with different outer diameters, a certain gap exists between the movable shell 540 and the fixed shell 520, and the first convex edge 521 and the second convex edge 542 are in adaptive connection, so that the first convex edge 521 and the second convex edge 542 can always keep a partially overlapped state, the seamless sealing effect can be exerted after the fixed shell 520 and the movable shell 540 are connected, and the phenomenon that impurities such as dust enter a protection cavity through the gap between the fixed shell 520 and the movable shell 540 to cause the dust accumulation of the exposed metal part of the cable is avoided.

The bottom of set casing 520 is equipped with joint 530, and joint 530 can be with set casing 520 integrated into one piece, and joint 530 is rectangular form. The clamping piece 530 is provided with a plurality of clamping protrusions which are arranged at intervals in the front-back direction, and the clamping protrusions can be triangular prisms. The bottom of the movable shell 540 is provided with a fastener 550, the fastener 550 and the movable shell 540 are integrally formed, the fastener 550 is provided with a clamping hole, the fastener 550 can be U-shaped, and the fastener 550 and the movable shell 540 are connected to form a rectangular clamping hole. The clamping protrusion is connected with the clamping hole in a clamping manner.

When the movable shell 540 is moved in place and connected with the stationary shell 520, the clamping protrusion of the clamping member 530 is inserted into the clamping hole of the fastener 550, and the movable shell 540 is ensured to be fixed with the stationary shell 520 by utilizing the buckling effect of the clamping protrusion on the clamping hole. Moreover, when the electric meter wire clamp connector is connected with cables with different outer diameters, the clamping holes and the corresponding clamping protrusions generate a buckling effect, so that the movable shell 540 and the fixed shell 520 are enabled to be fixed mutually, and a good protection effect is exerted on the cables.

In addition, as shown in fig. 4 to fig. 6, the second embodiment of the present invention provides an electric meter clip connector, which further includes a spring 400 on the basis of the above embodiments.

Adjusting bolt 300 is including adjusting the head, rotation portion and screw thread portion, adjusts the head, rotation portion and screw thread portion connect gradually, and the external diameter of screw thread portion is less than the external diameter of rotation portion, and the external diameter of adjusting the head is greater than rotation portion, and fixed part 140 is equipped with the connecting hole, and the connecting hole is the round hole, and the outer peripheral face of rotation portion contacts with the inner peripheral surface of connecting hole, and the connecting hole is worn to locate by rotation portion, and adjusting bolt 300 can be relative fixed part 140 rotation, linear motion. The movable portion 150 is provided with a coupling screw hole, and after the screw portion passes through the coupling hole, the screw portion is coupled with the coupling screw hole, so that the movable portion 150 is fixed to the screw portion.

The adjusting bolt 300 is sleeved with the spring 400, one end of the spring 400 is connected with the adjusting head, and the other end of the spring 400 is connected with the fixing portion 140. In this embodiment, the fixing portion 140 is provided with a connecting through hole, the connecting through hole is communicated with the connecting hole and the axis is coincident, and the diameter of the connecting through hole is larger than that of the connecting hole, so that the spring 400 can be accommodated in the connecting through hole.

When the adjusting bolt 300 is installed, the spring 400 is sleeved on the adjusting bolt 300, the adjusting bolt 300 sequentially passes through the connecting through hole and the connecting hole, then the adjusting bolt 300 is rotated to connect the threaded portion of the adjusting bolt 300 with the connecting threaded hole of the movable portion 150, so that the adjusting bolt 300 and the spring 400 are installed, at this time, one end of the spring 400 abuts against the fixed portion 140, and the other end abuts against the adjusting head portion of the adjusting bolt 300.

When the electric meter wire clamp connector is connected with a cable, force is applied to the movable part 150 to drive the movable part 150 to be away from the fixed part 140, the distance between the fixed part 140 and the movable part 150 is increased, and a large enough space is provided for the cable; after the cable is placed on the lower chuck, the movable part 150 is loosened, and the movable part 150 can automatically approach the fixed part 140 under the elastic force of the spring 400 until the movable part 150 and the fixed part 140 exert supporting and limiting effects on the cable. By adopting the design, auxiliary tools such as a screwdriver and the like are not needed, and the operation difficulty can be greatly reduced.

In addition, as shown in fig. 3 and fig. 6, the third embodiment of the present invention provides an electric meter clamp connector, which further includes a second upper clamping head 130 and a second adjusting screw 131 on the basis of the above embodiments.

The second upper clamp 130 is disposed opposite to the first upper clamp 120 in a left-right direction, and in this embodiment, the second upper clamp 130 is located at the left side of the first upper clamp 120. The second upper clamp 130 is slidably connected to the cable clamp body 110 and can move up and down, the lower surface of the second upper clamp 130 is an arc-shaped concave surface, and the lower surface of the second upper clamp 130 is larger than the lower surface of the first upper clamp 120. The second upper chuck 130 is disposed opposite to the lower chuck in a vertical direction, the second upper chuck 130 is located above the lower chuck, and a sum of the left and right dimensions of the second upper chuck 130 and the first upper chuck 120 may be identical to the left and right dimensions of the lower chuck. The lower surface of the second upper jaw 130 and the upper surface of the lower jaw form a clamping hole capable of clamping a cable.

The lower end of the second adjusting screw 131 is rotatably connected with the second upper clamp 130, and the upper end of the second adjusting screw 131 is in threaded connection with the cable clamp body 110. Specifically, the second upper clamping head 130 is provided with a second clamping groove with an upward opening, the second clamping groove penetrates through the left side surface and the right side surface of the second upper clamping head 130, the second clamping groove can be a T-shaped groove, the lower end of the second adjusting screw 131 is provided with a second clamping block, the second clamping block can be a cylinder with an outer diameter larger than that of the lower end of the second adjusting screw 131, and the second clamping block is in adaptive connection with the second clamping groove.

The cable clamp body 110 is provided with a screw hole penetrating through the upper part and the lower part, the second adjusting screw 131 is provided with a threaded section, the outer diameter of the threaded section is larger than that of the second clamping block, and the threaded section can be connected with the screw hole.

The second adjusting screw 131 is screwed into the screw hole of the cable clamp body 110 from top to bottom, then the second upper clamp 130 is moved in the left-right direction to be mounted on the cable clamp body 110, and meanwhile, the second clamping block is driven to slide into the second clamping groove, so that the connection of the second adjusting screw 131, the cable clamp body 110 and the second upper clamp 130 is realized.

As shown in fig. 4, when the electric meter clamp connector is used for a cable with a smaller outer diameter, the first upper clamp 120 can be used to cooperate with the lower clamp to perform a stable and powerful clamping action on the cable; when the electric meter clamp connector is used for a cable having a large outer diameter, as shown in fig. 6, the second upper clamp 130 may be used to firmly and strongly clamp the cable in cooperation with the lower clamp.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims (10)

1. The utility model provides an ammeter fastener connector, includes the cable clamp, its characterized in that, the cable clamp includes:

a cable clamp body (110);

the first upper clamping head (120) is connected with the cable clamp body (110) in a sliding mode and can move up and down, and the lower surface of the first upper clamping head (120) is an arc-shaped concave surface;

the lower end of the first adjusting screw rod (121) is rotatably connected with the first upper clamping head (120), and the upper end of the first adjusting screw rod (121) is in threaded connection with the cable clamp body (110);

the upper surface of the lower chuck is an arc-shaped concave surface, the lower chuck and the first upper chuck (120) are arranged vertically and oppositely and form a wire passing space (170) for clamping a cable together, the lower chuck comprises a fixed part (140) and a movable part (150), the fixed part (140) and the movable part (150) are arranged front and back oppositely, the fixed part (140) is connected with the cable clamp body (110), and the movable part (150) is connected with the fixed part (140) in a sliding manner and can move back and forth;

an adjustment bolt (300) including a rotating portion and a threaded portion, one of the rotating portion and the threaded portion being connected with the fixed portion (140), and the other being connected with the movable portion (150).

2. An electric meter clamp connector as claimed in claim 1, further comprising a spring (400); adjusting bolt (300) still includes the regulation head, adjust the head portion the rotation portion with screw portion connects gradually, fixed part (140) are equipped with the connecting hole, movable part (150) are equipped with the connection screw, the rotation portion wears to locate the connecting hole, just screw portion with it connects to connect the screw, spring (400) cover is located adjusting bolt (300), the one end of spring (400) with the regulation head is connected, the other end of spring (400) with fixed part (140) are connected.

3. The electric meter clamp connector as claimed in claim 1, wherein the surface of the movable portion (150) facing the fixed portion (140) is provided with a plurality of protrusions (151), the protrusions (151) are spaced apart from each other in the left-right direction, the surface of the fixed portion (140) facing the movable portion (150) is provided with a groove, and the protrusions (151) are fittingly connected with the groove.

4. An electric meter clamp connector as claimed in claim 3, characterized in that said projection (151) is located at the bottom of the arc-shaped concave surface of said lower jaw.

5. The electric meter clamp connector according to claim 1, wherein the first upper clamping head (120) is provided with a first clamping groove with an upward opening, the first clamping groove penetrates through the left side surface and the right side surface of the first upper clamping head (120), the lower end of the first adjusting screw rod (121) is provided with a first clamping block, and the first clamping block is in adaptive connection with the first clamping groove.

6. The meter clamp connector of claim 1, further comprising a second upper clamp head (130) and a second adjusting screw (131); chuck (130) on the second with relative setting about first last chuck (120) is, chuck (130) on the second with cable clamp body (110) slide to be connected and can reciprocate, the lower surface of chuck (130) on the second is the arc concave surface, chuck (130) on the second with the chuck is relative setting from top to bottom down, the lower extreme of second adjusting screw (131) with chuck (130) rotate to be connected on the second, the upper end of second adjusting screw (131) with cable clamp body (110) threaded connection.

7. The electric meter clamp connector as claimed in claim 6, wherein the second upper clamp (130) is provided with a second clamping groove with an upward opening, the second clamping groove penetrates through the left side surface and the right side surface of the second upper clamp (130), the lower end of the second adjusting screw (131) is provided with a second clamping block, and the second clamping block is in adaptive connection with the second clamping groove.

8. An electric meter clamp connector as recited in claim 1, further comprising a protective shell: the protective shell comprises an upper shell (510), a fixed shell (520) and a movable shell (540), the fixed shell (520) and the movable shell (540) are located below the upper shell (510), the fixed shell (520) is connected with the upper shell (510), the movable shell (540) is connected with the upper shell (510) in a sliding mode and can move back and forth, the fixed shell (520) and the movable shell (540) are arranged in a front-back opposite mode, the fixed shell (520) and the movable shell (540) are detachably connected and form a lower shell together, a protection cavity is formed in the lower shell in a hollow mode, a through hole (560) for a cable to penetrate through is formed in the lower shell, the through hole (560) is communicated with the protection cavity, a first convex edge (521) is arranged on the surface, facing the movable shell (540), of the fixed shell (520), of the first convex edge (521) is arranged along the edge of the fixed shell (520), the surface of the movable shell (540) facing the fixed shell (520) is provided with a second convex edge (542), the second convex edge (542) is arranged along the edge of the movable shell (540), and the first convex edge (521) is in adaptive connection with the second convex edge (542).

9. The electric meter clamp connector according to claim 8, characterized in that a clamping member (530) is arranged at the bottom of the fixed shell (520), a plurality of clamping protrusions are arranged on the clamping member (530), the clamping protrusions are arranged at intervals in the front-back direction, a fastening member (550) is arranged at the bottom of the movable shell (540), a clamping hole is formed in the fastening member (550), and the clamping protrusions are in clamping connection with the clamping hole.

10. An electric meter clip connector as recited in claim 1, further comprising an electric meter clip; the ammeter fastener includes ammeter fastener body, latch segment (160) and locking screw (161), the ammeter fastener body with cable clamp body (110) are connected and can be electrically conductive each other, the ammeter fastener body is equipped with centre gripping chamber and line hole (180), establish latch segment (160) the centre gripping intracavity just can reciprocate, the lower extreme of locking screw (161) with latch segment (160) rotate to be connected, the upper end of locking screw (161) with ammeter fastener body threaded connection, line hole (180) with centre gripping chamber intercommunication, line hole (180) are located the ammeter fastener body is kept away from one side of cable clamp body (110).

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