CN215988569U

CN215988569U - Isolating switch with clamping rail type mounting structure

Info

Publication number: CN215988569U
Application number: CN202121923683.XU
Authority: CN
Inventors: 曹旭; 张学森; 胡茜莎
Original assignee: DELIXI GROUP CO LTD
Current assignee: DELIXI GROUP CO LTD
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-03-08
Anticipated expiration: 2031-08-17

Abstract

The utility model discloses an isolating switch with a clamping rail type mounting structure, which comprises a shell; the bottom of the shell is provided with a clamping rail mounting structure, and the clamping rail mounting structure comprises a clamping rail groove which is transversely arranged at the bottom of the shell in a penetrating manner, a fixed buckle arranged at one side of the clamping rail groove and a movable buckle arranged at the other side of the clamping rail groove; the bottom of the shell is provided with a limiting sliding chute arranged along the movable direction of the movable buckle, one end of the limiting sliding chute, which is close to the rail clamping groove, is provided with a socket, and one end of the limiting sliding chute, which is far away from the rail clamping groove, is provided with a through hole; the movable buckle is formed by plastic integral injection molding and is formed by connecting a buckle body and an elastic body, the buckle body is inserted into the socket and limited in the limiting sliding groove to move, the corresponding end part of the buckle body penetrates out of the through hole, the elastic body is elastically abutted against the shell, and the generated reset elastic force enables the movable buckle to always keep the trend of moving towards the clamping rail groove. The isolating switch provided by the utility model has the advantages that the mounting structure of the clamping rail is simplified and reasonable, the movable buckle is convenient to mount, and the assembly production efficiency of the isolating switch is favorably improved.

Description

Isolating switch with clamping rail type mounting structure

Technical Field

The utility model relates to an isolating switch with a clamping rail type mounting structure, and belongs to the technical field of isolating switch structural design.

Background

The isolating switch is a switch device applied to a line to control the on-off of the line. One type of prior art isolator switch includes a housing; the bottom of the shell is provided with a clamping rail mounting structure, the clamping rail mounting structure comprises a clamping rail groove transversely penetrating the bottom of the shell, a fixed buckle arranged on one side of the clamping rail groove and a movable buckle arranged on the other side of the clamping rail groove, the movable buckle is movably arranged at the bottom of the shell in the direction close to and far away from the clamping rail groove, a spring is arranged between the shell and the movable buckle, and the movable buckle keeps the trend of moving towards the clamping rail groove by the elastic force generated by the spring; when the isolating switch is fixedly installed, the clamping rail is fixed in place, then the isolating switch is installed on the clamping rail, and particularly, the isolating switch is fixedly installed by respectively clamping the fixing buckle and the movable buckle with the edges of the two sides of the clamping rail. The problem that card rail mounting structure in the above-mentioned current isolator exists in the in-service use is that, the structure is complicated relatively, and it is more to constitute spare part quantity, and the equipment process is comparatively loaded down with trivial details, is unfavorable for improving product equipment production efficiency.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to provide the isolating switch with a reasonable structure, the structure of the rail clamping mounting structure on the isolating switch is simplified and reasonable, the number of parts is reduced, the assembly production efficiency is improved, and the defects of the rail clamping mounting structure in the existing isolating switch are overcome.

The technical scheme for realizing the purpose of the utility model is as follows:

a disconnecting switch comprises a shell and a contact device arranged in the shell;

the bottom of the shell is provided with a rail clamping mounting structure, the rail clamping mounting structure comprises a rail clamping groove transversely penetrating the bottom of the shell, a fixed buckle arranged on one side of the rail clamping groove and a movable buckle arranged on the other side of the rail clamping groove, and the movable buckle is movably arranged at the bottom of the shell in the direction close to and far away from the rail clamping groove;

the bottom of the shell is provided with a limiting sliding chute arranged along the movable direction of the movable buckle, one end of the limiting sliding chute, which is close to the rail clamping groove, is provided with a socket, and one end of the limiting sliding chute, which is far away from the rail clamping groove, is provided with a through hole; the movable buckle is formed by plastic through integral injection molding and is formed by connecting a buckle body and an elastic body, the buckle body is inserted into the socket and limited in the movement in the limiting sliding groove, the corresponding end part of the buckle body is penetrated out through the through hole, the elastic body is elastically abutted against the shell, and the generated reset elastic force enables the movable buckle to always keep the trend of moving in the clamping rail groove.

In the technical scheme, the buckle body is of a hollow rectangular frame structure, two frame edges in the inserting direction of the buckle body are provided with convex stopping bosses, a position corresponding to the stopping bosses in the limiting sliding chute is provided with a limiting stopping table, and the stopping bosses are abutted against the limiting stopping table under the action of the reset elastic force of the elastic body in a normal state;

the backstop boss is three horn shapes, along the knot body inserts the direction of spacing spout, the front end of backstop boss be with detain the body and insert the oblique slip face that the direction is an contained angle, the rear end be with detain the body and insert the perpendicular backstop face of direction.

In the above technical scheme, the elastic body is in a zigzag shape or a wavy shape in the length direction, one end of the elastic body is connected with the buckle body into a whole, and the other end of the elastic body extends towards the direction far away from the rail clamping groove and abuts against the abutting surface of the shell.

In the technical scheme, the edge of the shell is provided with a screw mounting groove.

In the above technical solution, the contact device includes a fixed contact fixed in the housing, a movable contact seat movably disposed in the housing, and a movable contact mounted on the movable contact seat, when the isolating switch is in an open state, the movable contact is in contact with the fixed contact, when the isolating switch is in a close state, the movable contact is separated from the fixed contact, and a separation blade is disposed between two adjacent fixed contacts on the same side of the movable contact seat in the housing.

Among the above-mentioned technical scheme, be equipped with spacing installation in the casing move the bar slide of contact seat the top wall in the bar slide with the shaping has the support sand grip on the diapire, support the sand grip and follow the length direction setting of bar slide.

In the technical scheme, a microswitch is further fixed on the shell, a trigger bulge is arranged on the movable contact seat, and the trigger bulge triggers the microswitch to be closed when the isolating switch is in a switching-off state or a switching-on state.

In the above technical scheme, a recessed portion is arranged outside the housing, and the micro switch is installed in the recessed portion.

The utility model has the positive effects that: in the rail clamping mounting structure of the isolating switch, the movable buckle is integrally formed by plastic in an injection molding mode, the elastic body connected with the buckle body into a whole is arranged on the movable buckle, the elastic body provides required elastic force for the elastic buckle, a spring is not required to be additionally mounted during mounting, the number of parts is reduced, and the buckle body is inserted into the limiting sliding groove from the socket during mounting, so that the rail clamping mounting structure is simplified and reasonable, and the assembly production efficiency of the isolating switch is improved.

Drawings

FIG. 1 is a schematic structural diagram of a disconnector according to the present invention;

fig. 2 is a schematic structural view of the disconnector shown in fig. 1, as seen from the bottom;

FIG. 3 is a schematic structural view of the disconnecting switch according to the present invention when the movable buckle is removed;

FIG. 4 is a schematic structural view of the removable button of the present invention;

FIG. 5 is an exploded view of the isolator switch of the present invention;

FIG. 6 is a schematic structural view of the isolator switch of the present invention with parts removed;

fig. 7 is a schematic structural view of the base and the stationary contact in the utility model when they are matched.

The reference symbols shown in the figures are: 1-a shell; 01-a base; 02- -upper cover; 10-limiting stop table; 11-a rail clamping groove; 12-a limit chute; 13-a socket; 14-perforating; 15-a stop surface; 16-screw mounting slots; 17-a barrier sheet; 18-a strip-shaped chute; 19-a recess; 2-fixing the button; 3-movable buckle; 31-a button body; 32-an elastomer; 33-frame edge; 34-a stop boss; 35-inclined sliding surface; 36-a stop surface; 4, static contact; 5-moving contact seat; 51-a trigger bump; 6-moving contact; 7-a microswitch.

Detailed Description

The specific structure of the isolating switch of the utility model is described below with reference to the attached drawings of the specification:

a disconnector, as shown in fig. 1 to 4, comprising a housing 1 and a contact arrangement arranged in the housing 1; the bottom of the shell 1 is provided with a clamping rail mounting structure, the clamping rail mounting structure comprises a clamping rail groove 11 transversely penetrating the bottom of the shell 1, a fixed buckle 2 arranged on one side of the clamping rail groove 11 and a movable buckle 3 arranged on the other side of the clamping rail groove 11, the movable buckle 3 is movably arranged at the bottom of the shell 1 in the direction close to and far away from the clamping rail groove 11, and the movable buckle 3 and the fixed buckle 2 are respectively clamped with two side edges of a clamping rail arranged in the clamping rail groove 11 when the isolating switch is mounted; a limiting sliding groove 12 arranged along the movable direction of the movable buckle 3 is arranged at the bottom of the shell 1, a socket 13 is arranged at one end of the limiting sliding groove 12 close to the rail clamping groove 11, and a through hole 14 is arranged at one end far away from the rail clamping groove 11; the activity is detained 3 and is the integrative injection moulding of plastics, connects by knot body 31 and elastomer 32 and constitute, detain body 31 by socket 13 inserts and restrict in spacing spout 12 removes, detain the corresponding tip of body 31 (keeping away from the one end of card rail groove 11 promptly) by perforation 14 wears out, elastomer 32 elasticity butt in on the casing 1, the elasticity that resets that produces makes activity is detained 3 and is kept the trend of removing to card rail groove 11 all the time. In the isolator's of this embodiment card rail mounting structure, the activity is detained 3 and is the integrative injection moulding of plastics, and is equipped with the elastomer 32 even as an organic whole with detaining the body 31 on it, detain for elasticity through elastomer 32 and provide required elastic force, thereby need not to install the spring in addition when the installation, reduced part quantity, in the installation will detain the body by socket cartridge to spacing spout in addition, thereby make card rail mounting structure simplify rationally, do benefit to and improve isolator equipment production efficiency.

The housing 1 in this embodiment is formed by connecting a base 01, a middle base (not shown in the figure) and an upper cover 02 which are arranged from bottom to top, wherein the base 01, the middle base and the upper cover 02 are fixedly connected through screws; the contact device is arranged in a first cavity between the base 01 and the middle seat, an operating mechanism is arranged in a second cavity formed between the middle seat and the upper cover 02, when the disconnecting switch is controlled to be switched on and switched off, the operating mechanism is driven to act through external force so as to drive a fixed contact and a movable contact in the contact device to be contacted and separated, the structure of the used operating mechanism can adopt the prior art, and the structure is not described in detail in the embodiment.

In this embodiment, the buckle body 31 is a hollow rectangular frame structure, the frame edges 33 on both sides in the insertion direction are provided with protruding stop bosses 34, the position in the limit chute 12 corresponding to the stop bosses 34 is provided with a limit stop 10, and the stop bosses 34 abut against the limit stop 10 under the action of the return elasticity of the elastic body 32 in a normal state; backstop boss 34 is the triangle form, along detain the body 31 and insert the direction of spacing spout 12, backstop boss 34's front end is for inserting the oblique slip surface 35 that the direction is an contained angle with detaining the body 31, the rear end be with detain the body 31 and insert the perpendicular backstop face 36 of direction, when the installation activity is detained 3, make detain the body 31 insert spacing spout 12 by notch 13 along the direction that arrow A indicates in figure 3 in, because detain the body 31 and be the rectangle frame structure, both sides frame limit can adapt to elastic deformation to the existence of backstop boss 34 front end oblique slip surface 35 makes detain body 31 cartridge process more smooth and easy, and the cartridge targets in place the back, plays fine stopping effect through the existence of backstop face 36.

Referring to fig. 3 and 4, in this embodiment, the elastic body 32 is in a zigzag shape or a wavy shape in the length direction, so as to be elastically and telescopically deformed in the length direction, one end of the elastic body is connected with the buckle body 31 as a whole, and the other end of the elastic body extends in a direction away from the rail clamping groove 11 and abuts against the abutting surface 15 of the housing 1.

In this embodiment, casing 1 edge is equipped with screw mounting groove 16, and through setting up screw mounting groove 16, when isolator installs, under the unsuitable condition of installing through card rail mounting structure, can use fixed screw to carry out fixed mounting to isolator, specifically the fixed screw passes screw mounting groove 16 and the screw hole spiro union cooperation on the external device.

Referring to fig. 5 and 7, as a further possible implementation of the above embodiment, the contact device includes a fixed contact 4 fixed in the housing 1, a movable contact base 5 movably disposed in the housing 1, and a movable contact 6 mounted on the movable contact base 5, when the isolating switch is in an open state, the movable contact 6 contacts with the fixed contact 4, when the isolating switch is in a closed state, the movable contact 6 is separated from the fixed contact 4, a blocking piece 17 is disposed between two adjacent fixed contacts 4 on the same side of the movable contact base 5 in the housing 1, and through a blocking effect of the blocking piece 17, an arc generated when the isolating switch is open can be blocked by the blocking piece 17.

Further, in this embodiment, a bar-shaped slideway 18 for limiting installation of the movable contact base 5 is arranged in the casing 1, a support protruding strip is formed on the top wall and the bottom wall in the bar-shaped slideway 18, the support protruding strip is arranged along the length direction of the bar-shaped slideway 18, the contact surface between the movable contact base 5 and the bar-shaped slideway 18 is reduced through the arrangement of the support protruding strip, and further the friction resistance when the movable contact base 5 moves is reduced.

As another embodiment in this embodiment, as shown in fig. 6, a micro switch 7 is further fixed on the housing 1, a trigger protrusion 51 is provided on the movable contact base 5, and when the disconnector is in the opening state or the closing state, the trigger protrusion 51 triggers the micro switch 7 to close. When the isolating switch is installed and used, the micro switch 7 can be connected to an external state indicating circuit, and the micro switch 7 is closed to connect the circuit when the isolating switch is in an opening state or a closing state, so that a state indicating function is achieved.

In this embodiment, casing 1 outside is equipped with depressed part 19, micro-gap switch 7 is installed in depressed part 19, so set up and avoid micro-gap switch 7 protrusion to set up at casing 1 surface and the problem of damage of colliding with easily.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. 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 such obvious changes and modifications which fall within the spirit of the utility model are deemed to be covered by the present invention.

Claims

1. A disconnecting switch with a clamping rail type mounting structure comprises a shell (1) and a contact device arranged in the shell (1);

the bottom of the shell (1) is provided with a clamping rail mounting structure, the clamping rail mounting structure comprises a clamping rail groove (11) transversely penetrating the bottom of the shell (1), a fixed buckle (2) arranged on one side of the clamping rail groove (11) and a movable buckle (3) arranged on the other side of the clamping rail groove (11), and the movable buckle (3) is movably arranged on the bottom of the shell (1) in the direction close to and far away from the clamping rail groove (11);

the anti-theft buckle is characterized in that a limiting sliding groove (12) arranged along the movable direction of the movable buckle (3) is formed in the bottom of the shell (1), a socket (13) is formed in one end, close to the rail clamping groove (11), of the limiting sliding groove (12), and a through hole (14) is formed in one end, far away from the rail clamping groove (11); activity is detained (3) and is the integrative injection moulding of plastics, connects by knot body (31) and elastomer (32) and constitutes, detain body (31) by socket (13) insert and restrict in remove in spacing spout (12), detain the corresponding tip of body (31) by perforation (14) are worn out, elastomer (32) elasticity butt in on casing (1), and the elasticity that resets that produces makes activity is detained (3) and is kept the trend of removing in card rail groove (11) all the time.

2. The isolating switch with the clamping rail type mounting structure according to claim 1, wherein the buckle body (31) is a hollow rectangular frame structure, two frame edges (33) at two sides in the insertion direction are provided with convex stopping bosses (34), a position corresponding to the stopping bosses (34) in the limiting sliding groove (12) is provided with a limiting stop table (10), and the stopping bosses (34) are abutted against the limiting stop table (10) under the action of the reset elastic force of the elastic body (32) in a normal state;

backstop boss (34) are the triangle-shaped, along detain body (31) insert the direction of spacing spout (12), the front end of backstop boss (34) be for inserting oblique slip face (35) that the direction is an contained angle with detaining body (31), the rear end be with detain body (31) and insert direction vertically backstop face (36).

3. The disconnecting switch with the clamping rail type mounting structure according to claim 1, wherein the elastic body (32) is in a zigzag shape or a wavy shape in a length direction, one end of the elastic body is connected with the buckle body (31) into a whole, and the other end of the elastic body extends in a direction away from the clamping rail groove (11) and abuts against the abutting surface (15) of the housing (1).

4. The disconnecting switch with a clamping rail type mounting structure according to claim 1, wherein a screw mounting groove (16) is provided at an edge of the housing (1).

5. The isolating switch with the clamping rail type mounting structure according to claim 1, wherein the contact device comprises a fixed contact (4) fixed in the housing (1), a movable contact seat (5) movably arranged in the housing (1), and a movable contact (6) mounted on the movable contact seat (5), when the isolating switch is in an opening state, the movable contact (6) is in contact with the fixed contact (4), when the isolating switch is in a closing state, the movable contact (6) is separated from the fixed contact (4), and a separation blade (17) is arranged between two adjacent fixed contacts (4) on the same side of the movable contact seat (5) in the housing (1).

6. The isolating switch with the clamping rail type mounting structure according to claim 5, wherein a strip-shaped slideway (18) for limiting and mounting the movable contact seat (5) is arranged in the shell (1), supporting convex strips are formed on the inner top wall and the inner bottom wall of the strip-shaped slideway (18), and the supporting convex strips are arranged along the length direction of the strip-shaped slideway (18).

7. The isolating switch with the clamping rail type mounting structure according to claim 5, wherein a microswitch (7) is further fixed on the shell (1), a trigger protrusion (51) is arranged on the movable contact base (5), and the trigger protrusion (51) triggers the microswitch (7) to close when the isolating switch is in a switching-off state or a switching-on state.

8. The disconnector with clamp rail type mounting structure according to claim 7, wherein the housing (1) is provided with a recess (19) at an outside thereof, and the micro switch (7) is mounted in the recess (19).