CN212625397U

CN212625397U - Relay structure

Info

Publication number: CN212625397U
Application number: CN202021987339.2U
Authority: CN
Inventors: 林乐敏
Original assignee: Zhejiang Jujie Electric Co ltd
Current assignee: Zhejiang Jujie Electric Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-02-26
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses a relay structure, which comprises a shell, a base, a plurality of jack structures and a plurality of connecting terminal modules, wherein the jack structures and the connecting terminal modules are arranged on the shell, each connecting terminal module comprises a group of jack holes arranged on the shell and inner core lugs correspondingly arranged in the jack holes, and a connecting terminal connected with the top of the inner core lug, the inner surface of the base is provided with a positioning support rod corresponding to the inner core lug, the positioning support rod is tightly pressed at the bottom of the inner core lug when the base and the shell are installed in a matching way, when the base is matched and installed with the shell, the installation and fixation of the inner core lug can be realized in one step through the positioning support rod, the matching and the positioning are accurate and reliable, the mounting structure is simple, mounting steps are simplified, mounting is convenient and fast, time and labor are saved, assembly efficiency of products is greatly improved, and production cost is reduced.

Description

Relay structure

Technical Field

The utility model relates to a low-voltage apparatus technical field, concretely relates to relay structure

Background

A relay is an electric control device that generates a predetermined step change in a controlled amount in an electric output circuit when a change in an input amount (excitation amount) meets a predetermined requirement. It has an interactive relationship between a control system (also called an input loop) and a controlled system (also called an output loop). It is commonly used in automated control circuits, which are actually a "recloser" that uses low current to control high current operation. Therefore, the circuit plays the roles of automatic regulation, safety protection, circuit conversion and the like.

The relay shell is provided with a plurality of wiring terminals and a plurality of jacks, a plurality of conducting strips are connected between the wiring terminals and the jacks, when the wiring terminal is installed, the traditional method is to plug a wiring board in the installation slot of the shell, connect the conducting strip below the wiring board, the wiring terminal penetrates through the wiring board to be fixedly connected with the conducting strip, the mounting structure is complex, the mounting structure is not strong enough, the manufacturing cost is high, the existing wiring terminal adopts modular assembly, namely, a fixed block is arranged in the mounting groove of the shell, the connecting terminal is directly connected with the fixed block by screw threads to realize the connection with the conducting strip, in order to prevent the fixing block from being separated from the mounting groove, the fixing block is fixed in the shell through screws, the whole mounting process is complicated, a plurality of assembling parts are required, mounting steps are increased, time and labor are wasted in mounting, and the assembly efficiency of products is reduced.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the fixed block of relay among the prior art and need be in the casing with the help of the fix with screw, and the installation is comparatively loaded down with trivial details, and assembly spare part is many, has increased installation steps, reduces product assembly efficiency's problem.

In order to solve the technical problem, the utility model provides a relay structure, including casing, base and a plurality of jack structures and a plurality of binding post module of setting on the casing, be connected with the conducting strip between binding post module and the jack structure, the binding post module is including setting up a set of jack holes on the casing with correspond and wear to establish the inner core lug of jack hole, and connect the binding post at inner core lug top, the internal surface of base corresponds the inner core lug is provided with at least one location support rod, the location support rod is in the fastening is supported and is pressed when base and casing cooperation installation the bottom of inner core lug.

As a preferable scheme, the slot holes are grouped in pairs, and the inner core projection comprises a boss part correspondingly inserted into the two slot holes and a connecting baffle plate connecting the two boss parts.

As a preferred scheme, a limiting boss positioned between the two slot holes is arranged in the shell, the inner core bump further comprises a positioning groove arranged between the two boss parts, the connecting baffle is arranged at the bottom of the positioning groove, and the limiting boss is inserted into the positioning groove in a matched manner.

As a preferred scheme, the boss part is provided with a concave hole structure in a molding mode, a fixing nut is embedded into the concave hole structure in an integrated mode, and the wiring terminal is connected to the fixing nut in a threaded mode.

Preferably, the concave hole structure comprises a hexagonal hole matched with the fixing nut, and a round concave hole arranged at the bottom of the hexagonal hole.

As a preferable scheme, one end of the conductive sheet extends to between the boss portion and the wiring terminal, and the other end of the conductive sheet extends to be disposed at the corresponding jack structure.

As a preferred scheme, a mounting structure is arranged on the base, and the mounting structure comprises:

the slot structure is arranged at the bottom of the base and communicated with one side of the mounting groove;

the limiting block structure is arranged in the slot structure and comprises a first step part and a second step part which respectively protrude towards two ends of the slot structure;

the movable buckle is slidably arranged in the slot structure and comprises a buckle end facing the mounting groove, an operation end facing one end of the bottom of the relay, and two elastic positioning clamping feet which can be slidably abutted against two sides of the limiting block structure and are used for positioning the mounting position of the movable buckle in the slot structure, and the operation end is provided with a fixing hole for penetrating a fastener.

As a preferred scheme, the other end of the bottom of the base is provided with a hanging hole structure, and the operating end is an arc boss structure suitable for being held by fingers.

As a preferred scheme, the movable buckle comprises a containing groove arranged between the buckle end and the operation end, the limiting block structure is contained in the containing groove, and the two elastic positioning clamping pins are connected to one end of the containing groove in a horn mouth shape.

As a preferable scheme, a first limiting structure is arranged between the movable buckle and the limiting block structure, the first limiting structure comprises a retaining rod connected to the other end of the accommodating groove, and the retaining rod is arranged opposite to the first step portion; the movable buckle and the slot structure are provided with a second limiting structure, the second limiting structure comprises limiting bosses arranged on the side walls of the two sides of the slot structure and limiting steps correspondingly arranged on the side edges of the two sides of the movable buckle and matched and abutted with the limiting bosses.

Compared with the prior art, the technical scheme of the utility model have the following advantage:

1. the utility model provides a relay structure, when installation inner core lug, pack into the inner core lug after the slot hole that corresponds, as long as fit the base with the casing and assemble together, can support through the location support pole and press and apply the fastening force in the bottom of inner core lug to the inner core lug, thereby make the inner core lug by extrusion fastening location in the slot hole, prevent that the inner core lug from taking place the installation and rocking and squint, reinforcing installation stability, then be connected to binding post to the top of inner core lug can again, adopt this technical scheme, can one step realize the installation of inner core lug fixed through the location support pole when base and casing cooperation installation, cooperation location is accurate reliable, this kind of mounting structure is simple, the installation step has been simplified, simple to operate is swift and labour saving and time saving, improve the assembly efficiency of product greatly, and production cost is reduced.

2. The utility model provides a relay structure, through spacing boss phase-match inserts among the positioning groove, play the prepositioning effect to the inner core lug, make two boss portions of inner core lug insert respectively at two jack holes to avoid the inner core lug to take place the mounted position skew when the installation, thereby guarantee the mounted position accuracy between inner core lug and the location support pole, the installation is reliable and stable.

3. The utility model provides a relay structure, the shaping has the shrinkage pool structure on the boss portion, and fixation nut is that an organic whole inlays to be established in the shrinkage pool structure, and this kind of structure sets up, fixation nut is in through inserts injection molding process integrated into one piece in the shrinkage pool structure, the shaping is made conveniently, makes fixation nut and inner core lug constitution body structure, mounting structure stability, convenience binding post's erection joint.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a relay structure provided by the present invention;

fig. 2 is a schematic structural view of the relay structure of the present invention after the base is hidden;

FIG. 3 is a schematic structural view of the positioning support block and the inner core bump of the present invention;

FIG. 4 is a schematic view of the mounting structure of the movable buckle of the present invention;

fig. 5 is a bottom view of the base of the present invention;

description of reference numerals: 1-shell, 11-positioning boss, 2-base, 21-mounting groove, 22-slot structure, 23-hanging hole structure, 24-limiting boss, 3-jack structure, 4-slot hole, 5-core lug, 51-boss part, 52-connecting baffle, 53-positioning groove, 54-notch structure, 6-positioning support rod, 7-limiting block structure, 71-first ladder part, 72-second ladder part, 8-movable buckle, 81-buckle end, 82-operation end, 83-elastic positioning clamp foot, 84-fixing hole, 85-accommodating groove, 86-stopping rod and 87-limiting step.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

This embodiment provides a relay structure as shown in fig. 1-5, including casing 1, base 2 and a plurality of jack structures 3 and a plurality of binding post module of setting on casing 1, be connected with the conducting strip between binding post module and the jack structure 3, the binding post module is including setting up a set of slotted hole 4 on casing 1, and correspond and wear to establish inner core lug 5 of slotted hole 4, and connect in the binding post at inner core lug 5 top, the internal surface of base 2 corresponds inner core lug 5 is provided with at least one location bracing piece 6, location bracing piece 6 is in the fastening is supported and is pressed in the bottom of inner core lug 5 when base 2 and casing 1 cooperation installation.

The above embodiment is the core technical solution of this embodiment, when installing the inner core bump 5, after installing the inner core bump 5 into the corresponding slot hole 4, as long as the base 2 is assembled with the housing 1 in a matching manner, the positioning support rod 6 can be pressed against the bottom of the inner core bump 5 to apply a fastening force to the inner core bump, so that the inner core bump is pressed, fastened and positioned in the slot hole, the inner core bump is prevented from installation shaking and deviation, the installation stability is enhanced, and then the connection terminal is connected to the top of the inner core bump, by adopting the technical solution, when the base is installed in a matching manner with the housing, the installation and fixation of the inner core bump 5 can be realized in place through the positioning support rod 6, the matching and positioning are accurate and reliable, the installation structure is simple, the installation steps are simplified, the installation is convenient and fast, and time and labor are saved, greatly improving the assembly efficiency of the product and reducing the production cost.

As a preferred embodiment, as shown in fig. 1 and 3, the slot holes 4 are grouped in pairs, the core lugs 5 include two boss portions 51 inserted into the two slot holes 4 correspondingly, and a connecting baffle 52 connecting the two boss portions 51, the mounting depth of the boss portions into the slot holes is limited by the connecting baffle 52, two connecting terminals (connecting terminals not shown in the drawings) can be connected by the two boss portions 51, further, a limiting boss 11 positioned between the two slot holes 4 is provided in the housing 1, the core lugs 5 further include a positioning groove 53 provided between the two boss portions 51, the connecting baffle 52 is provided at the bottom of the positioning groove 53, and when the two boss portions of the core lugs 5 are mounted to the two slot holes correspondingly, the positioning boss 11 is inserted into the positioning groove 53 in a matching manner, the connecting baffle 52 is matched and abutted against the positioning boss 11, the inner core convex block 5 is pre-positioned, the two boss parts 51 of the inner core convex block 5 are respectively inserted into the two slot holes, the inner core convex block 5 is prevented from being deviated in installation position when being installed, and therefore the installation position accuracy between the inner core convex block and the positioning support rod is ensured, and the installation is stable and reliable.

As shown in fig. 1, the shaping has shrinkage pool structure 54 on boss portion 51, the integrative set up fixation nut that is equipped with in the shrinkage pool structure 54, binding post threaded connection in fixation nut, it is concrete, shrinkage pool structure 54 include with interior hexagonal hole that fixation nut matches, and the circular shrinkage pool of hexagonal hole bottom including setting, the fixation nut gomphosis is in the interior hexagonal hole, binding post threaded connection in can penetrate during fixation nut in the circular shrinkage pool, guarantee like this that binding post has sufficient installation depth, this kind of structure setting, fixation nut is in through inserts injection molding technology integrated into one piece in the shrinkage pool structure, the shaping is made conveniently, makes fixation nut and inner core constitution lug integral structure, mounting structure stability, convenience binding post's erection joint.

Further preferred setting, the one end of conducting strip extends to boss portion 51 with between the binding post, its other end extends to set up and is corresponding jack structure 3 department (the conducting strip is not shown in the drawing), boss portion 51 with it can supply to leave between the jack hole 4 the conducting strip penetrates the installation space at boss portion top, makes binding post directly passes the one end of conducting strip and fixes to boss portion, realizes the installation cooperation of binding post module and conducting strip.

In this embodiment, the base 2 is provided with a mounting structure, the relay is fixedly mounted through the mounting structure, and the mounting structure includes a mounting groove 21, a slot structure 22, a limiting block structure 7 and a movable buckle 8; wherein, the mounting groove 21 is arranged at the bottom of the base 2 for mounting a guide rail; the slot structure 22 is arranged at the bottom of the base 2 and communicated with one side of the mounting groove 21; the limiting block structure 7 is arranged in the slot structure 22 and comprises a first step part 71 and a second step part 72 which respectively protrude towards two ends of the slot structure; the movable buckle 8 is slidably arranged in the slot structure 22, and comprises a buckle end 81 facing the mounting groove, an operation end 82 facing one end of the bottom of the base 2, and two elastic positioning clamp feet 83 which can be slidably abutted against two sides of the limiting block structure and used for positioning the mounting position of the movable buckle 8 in the slot structure, wherein the operation end 82 is provided with a fixing hole 84 for a fastener to penetrate through; the activity buckle receives the exogenic action can follow slot structure and slides, two the elastic positioning card foot is in buckle end 81 removes to insert location butt is in during mounting groove 11 the both sides of first terraced portion 71, and operation end 82 removes the roll-off location butt is in during base bottom one end the both sides of second terraced portion 72.

According to the structural science, when the relay is installed by adopting the guide rail, the movable buckle 8 is pushed to move towards the guide rail, the two elastic positioning clamping feet 83 are positioned and abutted against the two sides of the first step part 71, the clamping end 81 is made to extend into the installation groove to press and clamp the guide rail, the installation and fixation of the relay on the guide rail are realized, when the relay is installed without the guide rail, the movable buckle 8 is pulled to move towards one end of the bottom of the relay, the two elastic positioning clamping feet 83 are positioned and abutted against the two sides of the second step part 72, the operation end 82 and the upper fixing hole thereof are made to expose one end of the bottom of the relay, at the moment, the relay can be fixed on the installation position by penetrating the fastener through the fixing hole 84, and the relay adopting the technical scheme can be installed by matching the movable buckle 8 with the guide rail and can also be installed by matching the movable buckle 8 with the, therefore, the installation method is not limited to the installation method of the guide rail, has the effects of multiple installation methods, can be used in multiple installation environments, is wide in application range, good in practicability, convenient to install and capable of improving the use performance of products.

As a preferred embodiment, the other end of the bottom of the base 2 is provided with a hanging hole structure, the operating end 82 is an arc boss structure suitable for being held by fingers, and this structure is arranged, an operator can push and pull the operating end 82 to drive the movable buckle 8 to slide back and forth along the slot structure, when the movable buckle 8 moves towards one side of the mounting groove, the operating end 82 will be partially hidden at the bottom of the base, and fixed mounting is carried out by the buckle end 41 pressing against the guide rail; and when the movable buckle 8 moves away from one side of the mounting groove, the operating end 82 and the fixing hole slide to expose one end of the bottom of the base 1, and at this time, a fastener can pass through the fixing hole 84 to realize fixed mounting, and the fastener can be preferably a bolt.

As shown in fig. 4, the movable buckle 8 includes a receiving groove 85 disposed between the buckle end 81 and the operation end 82, the stopper structure 7 is received in the receiving groove 85, two elastic positioning clip legs 83 are connected in a horn mouth shape at one end of the receiving groove 85, and an elastic deformation effect occurs in a matching and extruding process of the stopper structure 7, so that the movable buckle 8 drives the two elastic positioning clip legs 83 to switch between the first step portion 71 and the second step portion 72, and stays on two side slopes of the first step portion or the second step portion by pressing the two elastic positioning clip legs 83, so that the movable buckle keeps a relative installation position in the slot structure fixed.

In order to prevent the movable buckle from being separated from the slot structure during the sliding process, as shown in fig. 4-5, a first limiting structure is disposed between the movable buckle 8 and the limiting block structure 7, the first limiting structure includes a retaining rod 86 connected to the other end of the accommodating groove 85, and the retaining rod 86 is disposed opposite to the first step portion 71; a second limiting structure is arranged between the movable buckle 8 and the slot structure 22, and comprises limiting bosses 24 arranged on the side walls of the two sides of the slot structure 22 and limiting steps 87 correspondingly arranged on the side edges of the two sides of the movable buckle 8 and matched and abutted with the limiting bosses 24, so that the design has the advantage that when the movable buckle 8 moves towards one end of the bottom of the relay, the stopping rod 86 abuts against the first step part to prevent the movable buckle 8 from continuously moving towards one end of the slot structure to be separated from the slot structure, and at this time, the operating end 82 just exposes one end of the bottom of the relay, and the fastener is convenient to install; when the movable buckle 8 moves towards the direction of the mounting groove, the limiting step 87 abuts against the limiting boss 24 to prevent the movable buckle 8 from continuously moving towards the other end of the slot structure to be separated from the slot structure, at this time, the buckle end 81 just inserts into the mounting groove and abuts against the guide rail, the moving distance of the movable buckle is limited by the first limiting structure and the second limiting structure, and the movable buckle is stably and reliably mounted in a matched mode.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. The utility model provides a relay structure, includes casing (1), base (2) and a plurality of jack structure (3) and a plurality of binding post module of setting on casing (1), be connected with conducting strip, its characterized in that between binding post module and jack structure (3): the binding post module is including setting up a set of slotted hole (4) on casing (1) with correspond to wear to establish inner core lug (5) of slotted hole (4), and connect and be in the binding post at inner core lug (5) top, the internal surface of base (2) corresponds inner core lug (5) are provided with at least one location support bar (6), location support bar (6) are in the fastening is supported and is pressed when base (2) and casing (1) cooperation installation the bottom of inner core lug (5).

2. A relay structure according to claim 1, characterized in that: the slotted holes (4) are in a group of two, and the inner core convex blocks (5) comprise two boss parts (51) correspondingly inserted into the two slotted holes (4) and connecting baffles (52) connecting the two boss parts (51).

3. A relay structure according to claim 2, wherein: the inner core projection (5) is characterized in that a positioning boss (11) located between two slot holes (4) is arranged in the shell (1), the inner core projection further comprises a positioning groove (53) arranged between two boss parts (51), the connecting baffle (52) is arranged at the bottom of the positioning groove (53), and the positioning boss (11) is inserted into the positioning groove (53) in a matched mode.

4. A relay structure according to claim 3, wherein: the lug boss part (51) is formed with a concave hole structure (54), a fixing nut is integrally embedded in the concave hole structure (54), and the wiring terminal is connected to the fixing nut in a threaded mode.

5. A relay structure according to claim 4, characterized in that: the concave hole structure (54) comprises an inner hexagonal hole matched with the fixing nut and a round concave hole arranged at the bottom of the inner hexagonal hole.

6. A relay structure according to claim 5, characterized in that: one end of the conducting strip extends to the boss part (51) and between the wiring terminals, and the other end of the conducting strip extends to be arranged at the corresponding jack structure (3).

7. A relay structure according to any one of claims 1-6, characterized in that: set up mounting structure on base (2), mounting structure includes:

the mounting groove (21) is arranged at the bottom of the base (2) and used for mounting a guide rail;

the slot structure (22) is arranged at the bottom of the base (2) and communicated with one side of the mounting groove (21);

the limiting block structure (7) is arranged in the slot structure (22) and comprises a first step part (71) and a second step part (72) which respectively protrude towards two ends of the slot structure;

the movable buckle (8) is slidably arranged in the slot structure (22) and comprises a buckle end (81) facing the mounting groove and an operation end (82) facing one end of the bottom of the base (2) and a slidable butt joint, the two sides of the limiting block structure are used for positioning two elastic positioning clamp feet (83) of the mounting position of the movable buckle (8) in the slot structure, and the operation end (82) is provided with a fixing hole (84) for penetrating through a fastener.

8. A relay structure according to claim 7, wherein: the other end of the bottom of the base (2) is provided with a hanging hole structure (23), and the operation end (82) is of an arc boss structure suitable for being held by fingers.

9. A relay structure according to claim 8, wherein: the movable buckle (8) comprises a containing groove (85) arranged between the buckle end and the operation end, the limiting block structure (7) is contained in the containing groove (85), and the two elastic positioning clamping feet (83) are connected to one end of the containing groove (85) in a horn mouth shape.

10. A relay structure according to claim 9, wherein: a first limiting structure is arranged between the movable buckle (8) and the limiting block structure (7), the first limiting structure comprises a retaining rod (86) connected to the other end of the accommodating groove (85), and the retaining rod (86) is arranged opposite to the first step part (71); the movable buckle (8) and the slot structure (22) are provided with a second limiting structure, the second limiting structure comprises a limiting boss (24) arranged on the side walls of the two sides of the slot structure (22) and a limiting step (87) correspondingly arranged on the side edges of the two sides of the movable buckle (8) and matched and abutted with the limiting boss.