CN214479591U - Surge protector buckle subassembly - Google Patents

Abstract

The utility model belongs to the field of lightning protection equipment, and discloses a surge protector buckle component which is arranged on a pluggable surge protector and is provided with a hook groove arranged on a shell and a hook arranged on a base, wherein the hook and the hook groove are clamped and limited when the shell is fixed with the base; a movable push rod is arranged in the hook groove, and the push rod is provided with an end part which pushes the hook out of the hook groove when in action. The utility model discloses a contact position at casing and base is equipped with pothook and hook groove to realize spacing, the unblock effect of joint through being equipped with the push rod structure that can operate in the hook groove, can provide better connection stability in thinner shell structure, thereby and can realize the continuity of plug process through setting up push rod mechanism on the casing.

Description

Surge protector buckle subassembly

Technical Field

The utility model belongs to the technical field of surge protector, concretely relates to surge protector buckle subassembly.

Background

A surge protector, also called a lightning protector, is an electronic device for providing safety protection for various electronic equipment, instruments and meters and communication lines. When the peak current or the voltage is suddenly generated in the electric loop or the communication line due to the external interference, the surge protector can conduct and shunt in a very short time, so that the damage of the surge to other equipment in the loop is avoided. The surge protector is used for limiting transient overvoltage entering a power line and a signal transmission line within a voltage range which can be borne by equipment or a system or discharging strong lightning current to the ground, so that the protected equipment or the system is protected from being damaged by impact.

The type and construction of the surge protector will vary from application to application, but it should include at least one non-linear voltage limiting element. The basic components for a surge protector are: discharge gap, gas-filled discharge tube, varistor, suppressor diode, choke coil, and the like. The existing surge protector is fixed and pluggable, wherein the pluggable structure comprises a shell structure with basic components and a base structure with a wiring terminal, the shell is fixed on the base to form a complete circuit, and if the basic components are degraded or invalid, the shell can be quickly replaced and maintained through plugging and unplugging.

In order to set more protection devices in the same space as far as possible, the surge protector in the prior art has a structure for reducing the thickness of the surge protector, the original surge protector with the thickness of 9-18mm is further reduced, so that the contact area between the shell and the base which are fixed by interference fit is reduced, and better connection stability cannot be formed.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that prior art exists, the utility model provides a surge protector buckle subassembly through realizing better spacing effect with the base cooperation, and can cooperate plug operation process not to influence the operation.

The utility model discloses the technical scheme who adopts does:

in a first aspect, the utility model discloses a surge protector buckle component, which is arranged on a pluggable surge protector and is provided with a hook groove arranged on a shell and a hook arranged on a base, wherein the hook and the hook groove are clamped and limited when the shell is fixed with the base;

a movable push rod is arranged in the hook groove, and the push rod is provided with an end part which pushes the hook out of the hook groove when in action.

The utility model discloses a tripping device spare is a board carries the structure, through with the solid circuit integration on the circuit board, then inserts the circuit with the mode of SMT surface mounting piece encapsulation with some components and parts to reduce the solid circuit structure originally, save installation space. In a conventional circuit protection device, such as a circuit breaker or a surge protector, a plurality of functional parts are provided to form a single or a plurality of paths, and circuit protection control is achieved by penetrating a main circuit. The functional components comprise a protection device, an arc extinguishing assembly, a tripping assembly and the like, and also have a solid lead structure, so that the whole equipment has a certain volume, and the equipment structure needs to be optimized and adjusted under the condition of not having a large installation space, thereby being suitable for the installation requirement of a small space.

The onboard mode is one of optimized selection, most of the solid circuits are integrated in a mode of a printed circuit board, the size of the integrated circuit is greatly reduced on the premise that normal current conduction can be guaranteed, the thickness of a shell with the original thickness of 9 mm and 18mm is reduced to about 6mm, and therefore the original smaller bent arrangement space can be additionally provided with a plurality of groups of protection devices. Owing to reduced thickness, then originally split type and utilize interference fit to realize that the spacing protection architecture of joint can't realize better joint stability, in order to improve stability, need additionally add independent fixed establishment, form stable fixed effect through joint or other strong connected modes on thinner shell structure.

The utility model provides a pothook and hook groove structure are different with prior art, and the pothook setting is on the base, and the hook groove sets up on the casing, owing to need grip with the hand and outwards extract when pulling down the casing, through the push rod structure setting that will operate on the casing, can play the unblock effect simultaneously at the process of gripping.

It is worth to say that the clamping limiting means that the clamping hook is provided with a protruding part inserted into the hook groove, the protruding part of the clamping hook is inserted into the hook groove in a normal state, and the protruding part can abut against the inner wall of the hook groove to provide a limiting effect when the shell is subjected to an external force in a direction away from the base. Since the specific direction is not limited, the hook comprises two modes of being arranged on the inner side and the outer side of the shell, and the arrangement position of the hook groove is not limited, as long as the structure which is provided with the bulge part for accommodating the hook and provides the limiting effect under the action of the disengaging force is the same or equivalent alternative structure of the hook and the clamping groove.

The push rod structure is a movable part which can be arranged as an independent movable structure, can also be arranged as a structure which is integrally connected with the shell and can carry out reciprocating motion in a certain range through material characteristics, and can be considered as belonging to the hooks or equivalent replacement of the hooks as long as the structure which can be movable and can push the hooks out of the hook grooves is provided.

With reference to the first aspect, the present invention provides a first implementation manner of the first aspect, wherein the push rod is slidably connected to the housing and includes an actuating end and an operating end;

the operation end is provided with an end face providing adhesion.

It should be noted that the push rod in this embodiment is a push-pull structure and can slide on the housing. Because the clamping limit is formed by the clamping hook and the inner wall of the hook groove, the default hook groove is of a fixed structure, and the end part of the clamping hook needs to be pushed out of the hook groove, so that the unlocking effect is achieved. The push-pull push rod structure comprises an expanded end, because the end part of the hook in the natural state forms occupation at the local position of the hook groove, the sliding push rod enables the expanded end in the hook groove to enter from the gap between the inner wall of the hook groove and the end part of the hook, and the hook is pushed out. Since the housing needs to be drawn out when the push rod is detached, the unlocking direction of the push rod is generally designed to be consistent with the direction of drawing out the housing.

In combination with the first aspect, the present invention provides a second embodiment of the first aspect, wherein the push rod is rotatably connected to the housing, and the rotation connecting point is divided into an actuating end and an operating end.

The rotation in this embodiment is to utilize lever principle, set up suitable turning point position and arm of force length ratio, can be that the pothook main part that has higher toughness originally can be easily crooked, makes its tip fall out the hook groove. And the push rod is matched with the action of detaching the shell, when the shell is held by hands, the extrusion force applied to the shell just presses the push rod, and the unlocking and detaching process can be continuously completed.

In combination with the second embodiment of the first aspect, the present invention provides the third embodiment of the first aspect, wherein the hook groove is a groove structure formed by inward recessing of the end surface of the outer side surface of the housing, and the hook is engaged with the hook groove from the outside.

With reference to the second embodiment of the first aspect, the present invention provides a fourth embodiment of the first aspect, wherein the hook groove is a groove structure disposed on an inner wall of the housing, and an opening for inserting the hook is provided on a contact end surface of the housing and the base;

the outer side end face of the shell is also provided with an opening which is communicated with the hook groove and is used for exposing the operation end.

With reference to the second embodiment of the first aspect, the present invention provides a fifth embodiment of the first aspect, wherein the actuating end has a protrusion contacting with an end surface of the hook.

With reference to the fifth embodiment of the first aspect, the present invention provides a sixth embodiment of the first aspect, wherein the hook groove has only an opening on the end surface of the housing, through which the operation end and the protrusion are exposed; the end part of the hook enters the hook groove from the corresponding opening of the protruding part.

In combination with the fourth embodiment of the first aspect, the present invention provides a seventh embodiment of the first aspect, wherein the operation end outer surface has an embossment.

In combination with the fourth embodiment of the first aspect, the present invention provides the eighth embodiment of the first aspect, the housing is a two-part fastening structure, the main body of the hook slot is disposed on one side of the housing, and a rotating shaft is disposed in the main body of the side, and the push rod is rotatably connected to the rotating shaft.

The utility model has the advantages that:

the utility model discloses a contact position at casing and base is equipped with pothook and hook groove to realize spacing, the unblock effect of joint through being equipped with the push rod structure that can operate in the hook groove, can provide better connection stability in thinner shell structure, thereby and can realize the continuity of plug process through setting up push rod mechanism on the casing.

Drawings

Fig. 1 is a front schematic view of the housing and the base of the present invention in a locked state;

fig. 2 is a front schematic view of the housing and the base of the present invention in a separated state;

fig. 3 is a front schematic view of the housing and the base of the present invention in a state of contact and losing the locking connection;

fig. 4 is an axial schematic view of the housing and the base in a locked state;

fig. 5 is a schematic axial view of the housing and the base of the present invention in a separated state;

fig. 6 is a schematic axial view of another angle between the housing and the base in the locked state;

fig. 7 is an axial schematic view of the housing and the base of the present invention in a separated state;

fig. 8 is another angular axial schematic view of the housing and the base of the present invention in contact and losing the locking connection state.

In the figure: 1-shell, 2-base, 3-pin, 4-hook, 5-push rod, 5.1-action end, 5.2-operation end, 6-rotation shaft, 7-hook groove.

Detailed Description

The present invention will be further explained with reference to the drawings and the embodiments.

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the product of the application is used, the description is only for convenience and simplicity, and the indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present application. Furthermore, the appearances of the terms "first," "second," and the like in the description herein are only used for distinguishing between similar elements and are not intended to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like when used in the description of the present application do not require that the components be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being 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 application can be understood in a specific case by those of ordinary skill in the art.

Example 1:

the embodiment discloses a buckle assembly of a surge protector, which is in a split structure and comprises a shell 1 and a base 2, as shown in fig. 1-8. Wherein the base 2 has a plurality of connection terminals for connecting an external circuit. And casing 1 is the quasi-rectangular structure, and thickness is only 6mm, and inside has the PCB circuit board, and it has protection circuit to integrate on the circuit board to be provided with protection components and parts through the paster mode. In this embodiment, the protection component in the housing 1 is a zinc oxide varistor.

Fig. 2 shows only a part of the structure of the base 2 connecting the end face and the structure of the casing 1 with one side cover removed, the casing 1 is further provided with a plurality of metal pins 3, and the base 2 is provided with through holes for the pins 3 to penetrate. Two clamping hooks 4 are arranged on two sides of the base 2, the clamping hooks 4 have a certain length, and the end parts of the clamping hooks are provided with protruding parts which are arranged oppositely. The protruding part has the same structure as the existing hook 4, and is provided with an upward inclined plane and a downward plane, the inclined plane is convenient for forming lateral thrust when contacting other structures, and the thrust can make the hook 4 bend outwards so as to increase the width of the opening to be connected into the two sides of the shell 1.

Two strip-shaped hook grooves 7 are formed in the outer side surfaces of the two sides of the shell 1, the hook grooves 7 are designed to be concave, and the depth of each hook groove 7 is larger than that of the protruding portion of the clamping hook 4, so that the protruding portions of the clamping hooks 4 can be deformed to bypass the shell 1 and finally fall into the hook grooves 7 to form a clamping limiting effect.

As can be seen from fig. 1, the housing 1 is attached to the end surface of the base 2, and the protrusion of the hook 4 just abuts against the inner end surface of the hook groove 7 to form a locking and limiting effect. To remove the housing 1, the hooks 4 on both sides need to be pulled out.

In order to facilitate disassembly, a strip-shaped push rod 5 structure is arranged in the hook groove 7, a rotating shaft 6 is arranged in the hook groove 7, and the push rod 5 is sleeved on the rotating shaft 6 and can rotate in the hook groove 7. One end of the push rod 5 is contacted with the protruding part of the hook 4, and the other end has a larger surface area, so that the finger can press and apply force conveniently. The operator holds the housing 1 by hand and applies force to the ends of the push rods 5 on both sides of the housing 1 to simultaneously rotate the two push rods 5. When the push rod 5 rotates, the far end part of the push rod pushes the protruding part of the hook 4 outwards, and when the hook 4 is disconnected with the hook groove 7, the finger pressing the shell 1 can easily pull out the shell 1, thereby continuously completing unlocking and plugging actions.

Example 2:

the embodiment also discloses a buckle assembly of the surge protector, which is arranged on the same surge protector as the embodiment 1.

The housing 1 in this embodiment is also of a plug-in structure, but two through holes are formed in the contact surface of the housing 1 and the base 2, the through holes are arranged close to the inner side wall of the housing 1, and rotatable push rods 5 are arranged on the inner side wall of the housing 1. The difference with embodiment 1 is that the protruding portion of the hook 4 provided on the base 2 is all outwards arranged, and the hooks 4 on both sides are inserted into the corresponding through holes during assembly, and the end face matched with the protruding portion of the hook 4 in a clamping manner is arranged in the shell 1, so that the base 2 and the shell 1 can be fixedly clamped.

A rotatable push rod 5 structure is also arranged in the shell 1, the push rod 5 is provided with an operation end 5.2 and an action end 5.1, and openings are arranged at two sides of the shell 1 for the operation end 5.2 of the push rod 5 to penetrate out and expose. The point of connection of the rotation of the push rod 5 to the housing 1 is at the end of the push rod 5 on the side of the operating end 5.2, and the actuating end 5.1 is a projection arranged between the point of rotation and the operating end 5.2, which projection corresponds to the projection of the catch 4.

Under normal state, the shell 1 is fixed with the base 2 in an attaching way, and at the moment, the hook 4 is inserted into the shell 1 for fixing. When the housing 1 is held and the operating ends 5.2 of the push rod 5 on both sides are pressed, the entire push rod 5 is rotated inward about the rotation point. Because the protruding part of the hook 4 is arranged outwards, the action end 5.1 of the push rod 5 close to or attached to the protruding part of the hook 4 pushes the hook 4 inwards from two outer sides, so that the two hooks 4 are bent inwards, and finally the shell 1 can be pulled outwards after being separated from the contact with the inner end surface of the shell 1.

The built-in structural design enables the external structure of the whole surge protector to be smooth, and the connection stability of the hook 4 structure cannot be directly influenced from the outside.

Example 3:

the embodiment also discloses a buckle assembly of the surge protector, which is arranged on the same surge protector as the embodiment 1.

This surge protector includes casing 1 and base 2, is equipped with a plurality of binding post on the base 2 for insert external circuit, and is equipped with the circuit board in the casing 1, and the integrated bleeder circuit and protection device that have on the circuit board, to the overcurrent earial drainage who flows in from inserting the circuit.

The two sides of the shell 1 are provided with sliding grooves, the base 2 is provided with two clamping hooks 4, and the two clamping hooks 4 are both provided with wedge-shaped protruding parts which are arranged oppositely. The hook 4 has a certain length and a certain toughness, and can be restored to deform within a certain range. The distance between the hooks 4 is larger than the width of the shell 1, and the base 2 is inserted between the two hooks 4.

During the installation, insert casing 1 and establish on base 2 is equipped with the terminal surface of pothook 4, pothook 4 produces the deformation of outside lateral buckling when contacting casing 1 bottom owing to have wedge-shaped protruding portion to finally resume normal condition when the protruding portion falls into the spout, realize the joint spacing owing to the plane of protruding portion and the terminal surface cooperation of spout.

Furthermore, in order to make the protruding part of the hook 4 push outwards when the hook is detached, a push rod 5 capable of sliding in the sliding groove is further arranged in the sliding groove. The push rod 5 is provided with an operation end 5.2 and an action end 5.1, and the operation end 5.2 is provided with a larger contact area and concave-convex lines, so that the push rod is convenient to push by fingers.

Under normal conditions, when the protruding part of pothook 4 was inserting the spout, its depth of insertion was less than the corresponding position depth of spout half, and 5.1 one side of the action end of push rod 5 had the end of expanding, and this end of expanding is in pothook 4 protruding part one side, and when pulling push rod 5, the end of expanding can remove and support the protruding part out of the spout to the protruding part, outwards extracts casing 1 this moment and can accomplish the dismantlement process.

Furthermore, in order to match the action of pulling out the shell 1, the unlocking sliding direction of the push rod 5 is consistent with the direction of pulling out the shell 1, during operation, only a finger needs to be placed on the operation end 5.2 surfaces of the push rods 5 on the two sides, then the push rod 5 is pulled outwards, when the hook 4 falls out of the sliding groove, an outwards pulling force is continuously exerted, and the shell 1 is pulled outwards to be separated from the base 2.

The present invention is not limited to the above-mentioned alternative embodiments, and various other products can be obtained by anyone under the teaching of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined in the following claims, and which can be used to interpret the claims.

Claims (9)

1. The utility model provides a surge protector buckle subassembly, sets up on pluggable surge protector, its characterized in that: the device is provided with a hook groove (7) arranged on the shell (1) and a clamping hook (4) arranged on the base (2), and the clamping hook (4) is clamped and limited with the hook groove (7) when the shell (1) is fixed with the base (2);

a movable push rod (5) is arranged in the hook groove (7), and the push rod (5) is provided with an end part which pushes the hook (4) out of the hook groove (7) when in action.

2. The surge protector clip assembly of claim 1, wherein: the push rod (5) is connected with the shell (1) in a sliding mode and comprises an action end (5.1) and an operation end (5.2);

the operating end (5.2) has an end face providing an adhesive force.

3. The surge protector clip assembly of claim 1, wherein: the push rod (5) is rotatably connected with the shell (1) and is divided into an action end (5.1) and an operation end (5.2) by two sides of the rotating connection point.

4. The surge protector clip assembly of claim 3, wherein: hook groove (7) are the inside sunken groove structure that forms of lateral surface terminal surface of casing (1), pothook (4) are from the outside and hook groove (7) joint cooperation.

5. The surge protector clip assembly of claim 3, wherein: the hook groove (7) is of a groove structure arranged on the inner wall of the shell (1), and an opening for inserting the clamping hook (4) is formed in the contact end face of the shell (1) and the base (2);

an opening which is communicated with the hook groove (7) and is used for exposing the operation end (5.2) is also arranged on the end surface of the outer side of the shell (1).

6. The surge protector clip assembly of claim 3, wherein: the action end (5.1) is provided with a protruding part which is contacted with the end surface of the clamping hook (4).

7. The surge protector clip assembly of claim 6, wherein: the hook groove (7) is only provided with an opening for exposing the operation end (5.2) and the protruding part on the end surface of the shell (1); the end part of the hook (4) enters the hook groove (7) from the corresponding opening of the protruding part.

8. The surge protector clip assembly of claim 5, wherein: the outer surface of the operating end (5.2) is provided with concave-convex grains.

9. The surge protector clip assembly of claim 5, wherein: the shell (1) is of a two-part buckling structure, the main body of the hook groove (7) is arranged on one side of the shell, a rotating shaft (6) is arranged in the main body on the side, and the push rod (5) is rotatably connected with the rotating shaft (6).

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