CN220155406U - Card and mechanism and electric locking device - Google Patents

Abstract

The utility model relates to the technical field of power equipment, in particular to a card, a mechanism and an electric locking device. According to the electromagnetic relay switch cabinet, the operation rod is pressed to move into the cabinet body, the installation ring is driven to move while the operation rod moves, and the installation ring drives the first connecting rod to rotate on the first shaft seat and the second connecting rod while the installation ring moves inwards, so that the second connecting rod drives the second shaft seat to move in the sliding groove, then the second connecting rod rotates on the third connecting rod, at the moment, the hinge joint of the second connecting rod and the third connecting rod butts against the inner wall of the groove, then the operation rod is rotated, so that the clamping block butts against the outer walls of the first arc-shaped block and the second arc-shaped block, clamping of the operation rod is completed, and the effect of stably and conveniently starting the electromagnetic relay is achieved.

Description

Card and mechanism and electric locking device

Technical Field

The utility model relates to the technical field of power equipment, in particular to a card, a mechanism and an electric locking device.

Background

The electric locking device is a common electric power operation protection control device, is mainly used for protecting and controlling electric equipment such as power stations, power distribution stations, power transformation stations and the like, and is used for switching control and isolation protection of an electric system under the condition of ensuring personnel safety and normal operation of the equipment.

When the prior art realizes electric locking, the locking block is inserted through the operating rod generally, so that the electromagnetic relay is started, at the moment, the internal circuit of the cabinet body is disconnected, but when in actual use, the operating rod cannot be inserted stably and rapidly, and the use of the electromagnetic relay is affected.

Moreover, the electric locking device is generally arranged on the frequency conversion cabinet, no isolation measures are provided, and workers who are not in electric profession may not know the internal structure of the electric locking device during operation, so that poor contact between conductors is caused to cause fire disaster.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

The present utility model has been made in view of the above or the problem in the prior art that stable and rapid insertion of an operation lever cannot be ensured when the operation lever is inserted, thereby affecting use of an electromagnetic relay.

It is therefore an object of the present utility model to provide a card and mechanism.

In order to solve the technical problems, the utility model provides the following technical scheme: the support assembly comprises a support piece, an auxiliary piece arranged in the support piece, a clamping piece and a limiting piece connected with the auxiliary piece, and a protection assembly comprising a protection piece and an insulating piece arranged in the protection piece.

As a preferred embodiment of the card and mechanism of the present utility model, wherein: the support piece comprises a lock tube, a slot is formed in the lock tube, an annular plate is arranged in the slot, a vertical portion is arranged on one side of the annular plate, and a cavity is formed in the vertical portion.

As a preferred embodiment of the card and mechanism of the present utility model, wherein: the auxiliary piece comprises an operating rod, a compression spring is arranged on the operating rod, and two ends of the compression spring are respectively arranged between the annular plate and the lock tube.

As a preferred embodiment of the card and mechanism of the present utility model, wherein: the clamping piece comprises a mounting ring, first shaft seats are arranged on two sides of the mounting ring, first connecting rods are arranged on the first shaft seats, sliding grooves are formed in two sides of the cavity, second shaft seats are connected in the sliding grooves in a sliding mode, second connecting rods are arranged on the second shaft seats, third connecting rods are arranged on the second connecting rods, one ends of the third connecting rods are arranged in the sliding grooves, and one ends of the first connecting rods are arranged on the second connecting rods.

As a preferred embodiment of the card and mechanism of the present utility model, wherein: the limiting piece comprises a first arc-shaped block and a second arc-shaped block, a containing channel is formed between the first arc-shaped block and the second arc-shaped block, a clamping block is arranged on the outer wall of the operating rod, the first arc-shaped block and the second arc-shaped block are symmetrically arranged in the cavity, and the clamping block correspondingly penetrates through the containing channel.

As a preferred embodiment of the card and mechanism of the present utility model, wherein: the protection piece comprises an annular cover, an annular groove is formed in the outer wall of the annular cover, an annular shield is arranged in the annular groove, and one end of the operating rod penetrates through the annular shield.

As a preferred embodiment of the card and mechanism of the present utility model, wherein: the insulating part comprises an insulating sleeve, the insulating sleeve is positioned in the annular shield and sleeved on the operating rod, and one end of the operating rod is provided with an insulating part.

The card and the mechanism have the beneficial effects that: according to the utility model, the operation rod is pressed to move into the cabinet body, the installation ring is driven to move while the operation rod moves, and the installation ring drives the first connecting rod to rotate on the first shaft seat and the second connecting rod while the installation ring moves inwards, so that the second connecting rod drives the second shaft seat to move in the sliding groove, then the second connecting rod rotates on the third connecting rod, at the moment, the hinge joint of the second connecting rod and the third connecting rod butts against the inner wall of the groove, when the hinge joint butts against the inner wall of the groove, the clamping block on the operation rod passes through the accommodating channel, and then the operation rod is rotated, so that the clamping block butts against the outer walls of the first arc-shaped block and the second arc-shaped block, and thus the clamping and the locking of the operation rod can be stably and conveniently completed.

In view of the problem of poor contact between conductors during actual use.

In order to solve the technical problems, the utility model also provides the following technical scheme: an electric locking device comprises a card, a mechanism, an electromagnetic relay and a locking piece connected with the electromagnetic relay, wherein one side of the locking piece is provided with a contact piece.

As a preferred embodiment of the electrical locking device according to the utility model, wherein: the locking piece comprises a first contact part and a second contact part, a circular hole is formed in the groove, the first contact part and the second contact part are respectively connected with a wire, one end of each wire is connected to the electromagnetic relay, one end of each operating rod, which is close to the first contact part and the second contact part, is provided with a conductive end, one end of each operating rod, which is far away from the first contact part and the second contact part, is provided with an insulating end, and the first contact part and the second contact part are arranged in the circular hole.

As a preferred embodiment of the electrical locking device according to the utility model, wherein: the contact comprises a telescopic rod, a mounting groove is formed in one side of the groove, an auxiliary spring is sleeved on the outer wall of the telescopic rod, one end of the auxiliary spring is arranged in the mounting groove, and the telescopic rod is arranged in the mounting groove.

The electric locking device has the beneficial effects that: when the action bars inserts between first contact and the second contact for the action bars drives conducting end and first contact and second contact butt, extrudees telescopic link and auxiliary spring this moment, then first contact and second contact electricity intercommunication, thereby make electromagnetic relay be in the access state, electromagnetic relay work breaks off the internal total circuit of cabinet, thereby the security when guaranteeing to use, so reach the effect of stable convenient start electromagnetic relay, when not using, only need rotate the action bars, make the fixture block be located between holding the passageway, loosen the action bars, drive the action bars and reset under auxiliary spring and compression spring's effect this moment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

FIG. 1 is an overall cross-sectional schematic of the card and mechanism.

FIG. 2 is a schematic cross-sectional view of the card and locking tube of the mechanism.

Fig. 3 is a schematic cross-sectional view of the card and the annular plate of the mechanism.

Fig. 4 is an enlarged schematic view of the electrical latch of fig. 3 a.

Fig. 5 is a schematic view of the overall structure of the electric locking device.

Fig. 6 is a schematic view of the overall structure of the guard of the electric locking device.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 to 4, a card and a mechanism are provided for a first embodiment of the present utility model, which can achieve the effect of fast and stable clamping of an operation rod 102a, and the card and mechanism comprises a support assembly 100, including a support member 101, an auxiliary member 102 disposed in the support member 101, and a clamping member 103 and a limiting member 104 connected with the auxiliary member 102, and a protection assembly 200, including a protection member 201, and an insulating member 202 disposed in the protection member 201, wherein the clamping member 104 and the clamping member 103 achieve double-layer clamping and enable the operation rod 102a to be fast and stable when clamped.

Further, the supporting member 101 includes a locking tube 101a, a slot 101b is provided in the locking tube 101a, an annular plate 101c is fixedly installed in the slot 101b, a vertical portion 101d is integrally formed on the right side of the annular plate 101c, a cavity 101e is provided in the vertical portion 101d, and a certain supporting force is provided to the device by the arrangement of the locking tube 101a and the annular plate 101 c.

Further, the auxiliary member 102 includes an operation rod 102a, a compression spring 102b is sleeved on the operation rod 102a, two ends of the compression spring 102b are respectively arranged between the annular plate 101c and the lock tube 101a, and the compression spring 102b is sleeved on the outer wall of the operation rod 102a, so that the operation rod 102a drives the operation rod 102a to reset under the action of spring force when the operation rod 102a is not used.

Further, the clamping piece 103 comprises a mounting ring 103a, the two sides of the mounting ring 103a are fixedly provided with a first shaft seat 103b, the first shaft seat 103b is rotationally connected with a first connecting rod 103c, the two sides of the cavity 101e are provided with sliding grooves 103d, a second shaft seat 103e is slidably connected in the sliding grooves 103d, the second shaft seat 103e is rotationally connected with a second connecting rod 103f, the second connecting rod 103f is rotationally connected with a third connecting rod 103g, one end of the third connecting rod 103g is arranged in the sliding grooves 103d, one end of the first connecting rod 103c is rotationally connected with the second connecting rod 103f, and the second connecting rod 103f and the third connecting rod 103g are abutted to the inner wall of the lock tube 101a through linkage movement of the connecting rods, so that the operating rod 102a is driven to be primarily fixed.

Further, the limiting member 104 includes a first arc-shaped block 104a and a second arc-shaped block 104b, a receiving channel 104c is formed between the first arc-shaped block 104a and the second arc-shaped block 104b, a clamping block 104d is fixedly mounted on the outer wall of the operating rod 102a, the first arc-shaped block 104a and the second arc-shaped block 104b are symmetrically arranged in the cavity 101e, the clamping block 104d correspondingly penetrates through the receiving channel 104c, and is clamped on the outer walls of the first arc-shaped block 104a and the second arc-shaped block 104b through the clamping block 104d, so that the operating rod 102a is driven to be secondarily fixed.

In the operation process, when the operation rod 102a is only required to be pressed to move inwards in use, the operation rod 102a moves and drives the mounting ring 103a to move, the mounting ring 103a moves inwards and drives the first connecting rod 103c to rotate on the first shaft seat 103b and the second connecting rod 103f, so that the second connecting rod 103f drives the second shaft seat 103e to move in the chute 103d, then the second connecting rod 103f rotates on the third connecting rod 103g, at the moment, the hinge joint of the second connecting rod 103f and the third connecting rod 103g is propped against the inner wall of the slot 101b, when the hinge joint is propped against the inner wall of the slot 101b, the clamping block 104d on the operation rod 102a passes through the accommodating channel 104c, and then the operation rod 102a is rotated, so that the clamping block 104d is propped against the outer walls of the first arc-shaped block 104a and the second arc-shaped block 104b, and the clamping of the operation rod 102a is stably and conveniently completed.

Example 2

Referring to fig. 2 to 6, in a second embodiment of the present utility model, unlike the previous embodiment, the present embodiment provides a protection mechanism for a card and a mechanism, which solves the problem of poor protection effect in the prior art, the protection member 201 includes an annular cover 201a, an annular groove 201b is provided on an outer wall of the annular cover 201a, and threads are provided on an inner wall of the annular groove 201b, so that the annular cover 201c is conveniently installed, an annular cover 201c is provided in the annular groove 201b, and one end of the operating lever 102a penetrates through the annular cover 201c, so that protection of an internal structure is facilitated and stability of an internal element during operation is ensured by providing the annular cover 201 c.

Further, the insulating member 202 includes an insulating sleeve 202a, the insulating sleeve 202a is located in the annular shield 201c and is sleeved on the operating rod 102a, one end of the operating rod 102a is fixedly connected with an insulating portion 202b, and by setting the insulating sleeve 202a and the insulating portion 202b, the electric shock possibility of the device is further reduced.

The rest of the structure is the same as in embodiment 1.

In the operation process, when the annular shield 201c is installed, the insulating sleeve 202a and the insulating part 202b on the outer wall of the operating rod 102a are firstly used for further reducing the possibility of electric shock, and then the annular shield 201c is correspondingly rotated into the annular groove 201b corresponding to the operating rod 102a, so that the whole protection of the device is completed.

Example 3

Referring to fig. 1 to 6, in a third embodiment of the present utility model, unlike the previous embodiment, the present utility model provides an electrical blocking device, which solves the problem of poor contact between conductors during operation in the prior art, and includes the card and the mechanism in the previous embodiment, and an electromagnetic relay 300, and a blocking member 301 connected to the electromagnetic relay 300, wherein a contact member 302 is provided on one side of the blocking member 301, and the blocking member 301 is provided to cooperate with the electromagnetic relay 300, so that the circuit inside the cabinet is disconnected, electric shock is prevented after the cabinet door is opened by misoperation, and operation safety is improved.

Further, the locking piece 301 includes a first contact portion 301a and a second contact portion 301b, a circular hole 301c is formed in the groove 101b, the first contact portion 301a and the second contact portion 301b are respectively connected with a conducting wire 301d, one end of the conducting wire 301d is connected to the electromagnetic relay 300, one end, close to the first contact portion 301a and one end, of the second contact portion 301b, of the operating rod 102a is fixed with a conducting end 301e, one end, far away from the first contact portion 301a and one end, of the second contact portion 301b, of the operating rod 102a is connected with an insulating end 301f, the first contact portion 301a and the second contact portion 301b are arranged in the circular hole 301c, the first contact portion 301a and the second contact portion 301b are not communicated with each other, the conducting end 301e is driven to abut against the first contact portion 301a and the second contact portion 301b by the operating rod 102a, and the first contact portion 301a and the second contact portion 301b are electrically communicated, accordingly the electromagnetic relay 300 is in a channel state, and the overall circuit inside the cabinet is disconnected when the electromagnetic relay 300 works.

Further, the contact 302 includes a telescopic rod 302a, a mounting groove 302b is formed on one side of the slot 101b, an auxiliary spring 302c is sleeved on the outer wall of the telescopic rod 302a, one end of the auxiliary spring 302c is fixed in the mounting groove 302b, the telescopic rod 302a is fixed in the mounting groove 302b, and when the conductive end 301e is extruded between the first contact portion 301a and the second contact portion 301b through the telescopic rod 302a and the auxiliary spring 302c, the auxiliary spring 302c is driven to deform.

The rest of the structure is the same as in embodiment 2.

In the operation process, when the operation rod 102a is inserted between the first contact portion 301a and the second contact portion 301b, the operation rod 102a drives the conductive end 301e to be abutted against the first contact portion 301a and the second contact portion 301b, the telescopic rod 302a and the auxiliary spring 302c are pressed at the moment, the first contact portion 301a and the second contact portion 301b are electrically communicated, so that the electromagnetic relay 300 is in a passage state, the electromagnetic relay 300 works to disconnect the total circuit inside the cabinet body, safety in use is guaranteed, the effect of starting the electromagnetic relay 300 stably and conveniently is achieved, when the electromagnetic relay 300 is not used, only the operation rod 102a is required to be rotated, the clamping block 104d is positioned between the accommodating channels 104c, the operation rod 102a is loosened, and at the moment, the operation rod 102a is driven to reset under the action of the auxiliary spring 302c and the compression spring 102 b.

It is important to note that the construction and arrangement of the utility model as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present utility model. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility models. Therefore, the utility model is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in order to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the utility model, or those not associated with practicing the utility model).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims (10)

1. A card and mechanism, characterized by: comprising the steps of (a) a step of,

the support assembly (100) comprises a support piece (101), an auxiliary piece (102) arranged in the support piece (101), and a clamping piece (103) and a limiting piece (104) which are connected with the auxiliary piece (102);

a guard assembly (200) comprising a guard (201), an insulator (202) disposed within the guard (201).

2. The card and mechanism of claim 1, wherein: the support piece (101) comprises a lock tube (101 a), a slot (101 b) is formed in the lock tube (101 a), an annular plate (101 c) is arranged in the slot (101 b), a vertical portion (101 d) is arranged on one side of the annular plate (101 c), and a cavity (101 e) is formed in the vertical portion (101 d).

3. The card and mechanism of claim 2, wherein: the auxiliary piece (102) comprises an operation rod (102 a), a compression spring (102 b) is arranged on the operation rod (102 a), and two ends of the compression spring (102 b) are respectively arranged between the annular plate (101 c) and the lock tube (101 a).

4. A card and mechanism as claimed in claim 3 wherein: the clamping piece (103) comprises a mounting ring (103 a), first shaft seats (103 b) are arranged on two sides of the mounting ring (103 a), first connecting rods (103 c) are arranged on the first shaft seats (103 b), sliding grooves (103 d) are arranged on two sides of the cavity (101 e), second shaft seats (103 e) are connected in a sliding mode in the sliding grooves (103 d), second connecting rods (103 f) are arranged on the second shaft seats (103 e), third connecting rods (103 g) are arranged on the second connecting rods (103 f), and one ends of the third connecting rods (103 g) are arranged in the sliding grooves (103 d);

one end of the first connecting rod (103 c) is arranged on the second connecting rod (103 f).

5. The card and mechanism of claim 4, wherein: the limiting piece (104) comprises a first arc-shaped block (104 a) and a second arc-shaped block (104 b), a containing channel (104 c) is formed between the first arc-shaped block (104 a) and the second arc-shaped block (104 b), and a clamping block (104 d) is arranged on the outer wall of the operating rod (102 a);

the first arc-shaped block (104 a) and the second arc-shaped block (104 b) are symmetrically arranged in the cavity (101 e);

the clamping blocks (104 d) correspondingly penetrate through the accommodating channels (104 c).

6. The card and mechanism of claim 5, wherein: the protection piece (201) comprises an annular cover (201 a), an annular groove (201 b) is formed in the outer wall of the annular cover (201 a), an annular shield (201 c) is arranged in the annular groove (201 b), and one end of the operating rod (102 a) penetrates through the annular shield (201 c).

7. The card and mechanism of claim 6, wherein: the insulating piece (202) comprises an insulating sleeve (202 a), the insulating sleeve (202 a) is located in the annular shield (201 c) and sleeved on the operating rod (102 a), and an insulating part (202 b) is arranged at one end of the operating rod (102 a).

8. An electrical latching apparatus, characterized by: the card and mechanism of any one of claims 3-7, comprising an electromagnetic relay (300), and a latch (301) connected to the electromagnetic relay (300), the latch (301) being provided with a contact (302) on one side.

9. The electrical lockout device of claim 8, wherein: the locking piece (301) comprises a first contact part (301 a) and a second contact part (301 b), a circular hole (301 c) is formed in the groove (101 b), the first contact part (301 a) and the second contact part (301 b) are respectively connected with a wire (301 d), one end of the wire (301 d) is connected to the electromagnetic relay (300), one end, close to the first contact part (301 a) and the second contact part (301 b), of the operating rod (102 a) is provided with a conducting end (301 e), and one end, far away from the first contact part (301 a) and the second contact part (301 b), of the operating rod (102 a) is provided with an insulating end (301 f);

the first contact portion (301 a) and the second contact portion (301 b) are disposed within the circular hole (301 c).

10. The electrical lockout device of claim 9, wherein: the contact piece (302) comprises a telescopic rod (302 a), a mounting groove (302 b) is formed in one side of the groove (101 b), and an auxiliary spring (302 c) is sleeved on the outer wall of the telescopic rod (302 a);

one end of the auxiliary spring (302 c) is arranged in the mounting groove (302 b), and the telescopic rod (302 a) is arranged in the mounting groove (302 b).