Relay rapid installation structure

Abstract

The utility model provides a quick mounting structure of a relay, which relates to the field of relays, and comprises a body, a plurality of wiring terminals are arranged at two ends of the body, each wiring terminal comprises a shell, a connecting part is slidably connected in the shell, a pressing part is arranged below the connecting part, and the pressing part is arranged below the connecting part. A clamping part is arranged below the pressing part, a conductive metal sheet is inserted in the position, below the pressing part, in the shell, and a clamping block is slidably connected to the inner bottom wall of the shell. According to the quick mounting structure of the relay, when a wire needs to be inserted and fixed in the wiring terminal, the wire is inserted between the pressing part and the conductive metal sheet, and the pressing rod descends to drive the pressing part and the clamping part to descend, so that the clamping part and the clamping block can be used for clamping and limiting the resetting of the pressing part, and quick connection can be realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to relay technical field, concretely is a kind of relay quick installation structure. BACKGROUND

[0002] Relay is a kind of according to the change of electric quantity or non-electric quantity and connects or disconnects small current control circuit, to realize automatic control or protection electric power drag device. Relay mainly utilizes electromagnetic induction principle to work. Inside it is generally composed of core, coil, armature, contact spring etc. When the coil is added with certain voltage, current flows in the coil, electromagnetic effect is generated, armature is attracted to core under electromagnetic force, and drives the dynamic contact of armature and static contact (normally open contact) to attract, to connect circuit. When the coil is disconnected, electromagnetic attraction disappears, armature returns to original position under the action of spring, and dynamic contact and original static contact (dynamic break contact) are attracted, to realize the cut-off of circuit.

[0003] The existing relay usually needs to be connected with at least four contacts, which are control positive and negative poles and output positive and negative poles. The connection mode of contact and wire is usually that rotating threaded press head is used to extrude and fix wire on the surface of metal conducting sheet. However, since the relay has many contacts, each contact needs to be reversed to loosen threaded press head, and then threaded press head is inserted into wire and fixed, so the installation speed is slow. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of prior art, the utility model provides a relay quick installation structure, which solves the problem of slow connection of contact and wire in the background art.

[0005] TECHNICAL SCHEME

[0006] To achieve the above purpose, the utility model is implemented by the following technical scheme: a relay quick installation structure, comprising a body, a plurality of terminal blocks are arranged at both ends of the body, the terminal block comprises a shell, a connecting portion is slidably connected inside the shell, a pressing portion is arranged below the connecting portion, a clamping portion is arranged below the pressing portion, a conductive metal sheet is inserted into the shell below the pressing portion, a clamping block is slidably connected to the inner bottom wall of the shell, the clamping block is clamped with the clamping portion, a sliding rod is fixedly installed at the middle portion of the clamping block, the sliding rod extends to the outside of the shell, a return spring is arranged between the clamping block and the sliding rod, a pressing rod is fixedly installed at the top end of the connecting portion, the pressing rod penetrates through the shell and extends to the upper side of the shell, and the pressing rod and the shell are fixedly connected through the tension spring.

[0007] Further, the pressing portion and the clamping portion jointly constitute a "se" shaped structure, and the two ends of the clamping block are provided with elastic protrusions clamped with the clamping portion.

[0008] Further, the pressing part, the connecting part and the clamping part are all formed by bending a metal sheet.

[0009] Further, the upper conductive sheet is fixedly connected with the pressing rod above the clamping part, the upper conductive sheet extends to the rear side of the shell, the upper conductive sheet is in sliding connection with the shell, the conductive connecting strip is fixedly installed on the rear side of the shell, the upper conductive sheet is in sliding connection with the outer surface of the conductive connecting strip, and the conductive metal sheet penetrates through the shell and is inserted with the conductive metal sheet.

[0010] Further, the shell comprises a front end cover, a fixed frame and a conductive cavity, the front end cover is fixedly installed at the front end of the fixed frame, and the conductive cavity is arranged at the rear end of the fixed frame.

[0011] Further, the inner bottom wall of the shell is fixedly installed with a limiting strip, and the bottom end of the clamping block is provided with a limiting sliding groove sleeved on the outer surface of the limiting strip.

[0012] The relay quick mounting structure has the advantages that:

[0013] 1. When it is needed to insert and fix the wire into the wiring terminal, the wire is inserted between the pressing part and the conductive metal sheet, the pressing part and the clamping part are driven to descend by the descending pressing rod, so that the clamping part and the clamping block are clamped to limit the reset of the pressing part, and the connection can be quickly performed.

[0014] 2. The relay quick mounting structure is connected by the upper conductive sheet and the metal sheet through the pressing rod, the metal sheet is punched to include the connecting part, the pressing part and the clamping part by stamping forming, the metal sheet is inserted into the fixed frame, the conductive metal sheet is inserted into the shell, the conductive metal sheet is connected with the conductive connecting strip, the clamping block and the sliding rod are installed in the shell, and the shell is sealed by the front end cover, so that the device can be conveniently assembled. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a wiring terminal half-section schematic view of the utility model;

[0017] Figure 3 It is a clamping block connection schematic view of the utility model;

[0018] Figure 4 It is a shell half-section schematic view of the utility model;

[0019] Figure 5 It is a pressing part connection schematic view of the utility model.

[0020] Wherein, 1, the body; 2, terminal; 21, shell; 202, connecting portion; 203, pressing portion; 204, clamping portion; 205, conductive metal sheet; 206, clamping block; 207, sliding rod; 208, reset spring; 209, pressing rod; 210, tension spring; 3, upper conductive sheet; 4, conductive connecting strip; 211, front end cover; 212, fixed frame; 213, conductive cavity; 5, limiting strip; 6, limiting sliding slot. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Referring to Figures 1-5 A relay quick mounting structure, including body 1, the both ends of body 1 are provided with a plurality of terminal 2, terminal 2 includes shell 21, the inside sliding connection of shell 21 has connecting portion 202, the lower portion of connecting portion 202 is provided with pressing portion 203, the lower portion of pressing portion 203 is provided with clamping portion 204, the inside of shell 21 is inserted with conductive metal sheet 205 below pressing portion 203, the inner bottom wall of shell 21 is slidingly connected with clamping block 206, clamping block 206 is clamped with clamping portion 204, the middle portion of clamping block 206 is fixedly installed with sliding rod 207, sliding rod 207 extends to the outside of shell 21, reset spring 208 is arranged between clamping block 206 and sliding rod 207, the top end of connecting portion 202 is fixedly installed with pressing rod 209, pressing rod 209 penetrates shell 21 and extends to the upper portion of shell 21, and pressing rod 209 and shell 21 are fixedly connected by tension spring 210.

[0023] Pressing portion 203 and clamping portion 204 jointly constitute "several" character-shaped structure, both ends of clamping block 206 are provided with elastic protrusions clamped with clamping portion 204, through such setting, clamping portion 204 can be forced from both sides simultaneously, and deformation due to uneven stress can be avoided.

[0024] Pressing portion 203, connecting portion 202 and clamping portion 204 are all formed by bending a metal sheet, through such setting, processing cost can be reduced.

[0025] The upper side of the clamping portion 204 is fixedly connected with an upper conductive sheet 3 through a pressing rod 209, the upper conductive sheet 3 extends to the rear side of the shell 21, the upper conductive sheet 3 is in sliding connection with the shell 21, the rear side of the shell 21 is fixedly installed with a conductive connecting strip 4, the upper conductive sheet 3 is in sliding connection with the outer surface of the conductive connecting strip 4, the conductive metal sheet 205 penetrates the shell 21 and is inserted with the conductive metal sheet 205, through such setting, the pressing portion 203, the connecting portion 202 and the upper conductive sheet 3 can jointly constitute a new, so as to ensure that the wire can be connected with the contact.

[0026] The shell 21 comprises a front end cover 211, a fixed frame 212 and a conductive cavity 213, the front end cover 211 is fixedly installed at the front end of the fixed frame 212, and the conductive cavity 213 is arranged at the rear end of the fixed frame 212, through such setting, the device can be assembled conveniently.

[0027] The inner bottom wall of the shell 21 is fixedly installed with a limiting strip 5, and the bottom end of the clamping block 206 is provided with a limiting sliding groove 6 sleeved on the outer surface of the limiting strip 5, through such setting, the horizontal movement of the clamping block 206 can be avoided.

[0028] In use, first, the upper conductive sheet 3 and the metal sheet are connected through the pressing rod 209, then the metal sheet is punched to comprise the connecting portion 202, the pressing portion 203 and the clamping portion 204 through stamping forming, and the tension spring 210 is connected, the conductive metal sheet 205 is inserted into the shell 21, the clamping block 206 and the sliding rod 207 are installed in the shell 21, and the shell 21 is sealed through the front end cover 211, so that the device can be assembled conveniently.

[0029] When it is needed to insert and fix the wire into the terminal 2, the wire is inserted between the pressing portion 203 and the conductive metal sheet 205, the pressing rod 209 is lowered to drive the pressing portion 203 and the clamping portion 204 to descend, so that the clamping portion 204 and the clamping block 206 are clamped to limit the reset of the pressing portion 203, so that the wire can be connected quickly, when it is needed to replace the wire, the clamping block 206 is separated from the clamping portion 204 by pressing the sliding rod 207 from the front, the pressing portion 203 is lifted under the driving of the tension spring 210, and the wire can be taken out, it should be noted that the diameter of the wire needs to be matched with the gap between the pressing portion 203 and the conductive metal sheet 205, when the pressing portion 203 and the conductive metal sheet 205 extrude and clamp the wire, sufficient extrusion force can be provided.

[0030] It is to be noted that the relational terms herein, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions.

[0031] The above description is merely the preferred specific embodiments of the present application, and the protection scope of the present application is not limited thereto. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent substitutions or changes within the technical range disclosed by the present application, and all of them should be covered within the protection scope of the present application.

Claims

1. A quick-installation structure for a relay, comprising a body (1), wherein multiple terminals (2) are provided at both ends of the body (1), characterized in that: The terminal block (2) includes a housing (21). A connecting part (202) is slidably connected inside the housing (21). A pressing part (203) is arranged below the connecting part (202). A clamping part (204) is arranged below the pressing part (203). A conductive metal sheet (205) is inserted below the pressing part (203) inside the housing (21). A clamping block (206) is slidably connected to the inner bottom wall of the housing (21). The clamping block (206) is clamped with the clamping part (204). A sliding rod (207) is fixedly installed in the middle of the clamping block (206). The sliding rod (207) extends to the outside of the housing (21). A return spring (208) is arranged between the clamping block (206) and the sliding rod (207). A pressing rod (209) is fixedly installed at the top end of the connecting part (202). The pressing rod (209) penetrates through the housing (21) and extends above the housing (21). The pressing rod (209) and the housing (21) are fixedly connected by a tension spring (210).

2. The relay quick-installation structure according to claim 1, characterized in that: The pressing part (203) and the clamping part (204) together form a "ji" - shaped structure. Elastic protrusions for clamping with the clamping part (204) are arranged at both ends of the clamping block (206).

3. The relay quick-installation structure according to claim 2, characterized in that: The pressing part (203), the connecting part (202), and the clamping part (204) are all formed by bending a metal sheet.

4. The relay quick-installation structure according to claim 3, characterized in that:

5. A quick-installation structure for a relay according to any one of claims 1-4, characterized in that: An upper conductive sheet (3) is fixedly connected above the clamping part (204) through the pressing rod (209). The upper conductive sheet (3) extends to the rear side of the housing (21). The upper conductive sheet (3) is slidably connected to the housing (21). A conductive connecting bar (4) is fixedly installed on the rear side of the housing (21). The upper conductive sheet (3) is slidably connected to the outer surface of the conductive connecting bar (4). The conductive metal sheet (205) penetrates through the housing (21) and is inserted with the conductive metal sheet (205).

6. The relay quick-installation structure according to claim 5, characterized in that: The housing (21) includes a front end cover (211), a fixing frame (212), and a conductive cavity (213). The front end cover (211) is fixedly installed at the front end of the fixing frame (212). The conductive cavity (213) is opened at the rear end of the fixing frame (212). A limiting strip (5) is fixedly installed on the inner bottom wall of the housing (21). A limiting chute (6) sleeving on the outer surface of the limiting strip (5) is opened at the bottom end of the clamping block (206).

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