CN218241666U

CN218241666U - Sliding transition type multi-gear change-over switch

Info

Publication number: CN218241666U
Application number: CN202222309216.9U
Authority: CN
Inventors: 吴世明; 单彩云; 郭惠玖
Original assignee: Suzhou Huazhijie Telecom Co ltd
Current assignee: Suzhou Huazhijie Telecom Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-01-06
Anticipated expiration: 2032-08-31

Abstract

The utility model relates to a many gears change over switch of slip transition formula, which comprises a housin, the casing is formed by base and top cap butt joint, a slot hole has been seted up on the top cap, be provided with a slider in the casing, the slider top is connected with upwards stretches out the outer handle of dialling of slot hole, be provided with three at least static terminals on the base, be provided with the stationary contact on each static terminal respectively, form recessed draw-in groove between the two adjacent static contacts, a just right assembly groove with the base is seted up to the slider lower extreme, set up the guiding hole of two intercommunication assembly grooves on two lateral walls of slider respectively, slider bottom swing joint has the movable contact that can reciprocate, and a spring of exerting decurrent thrust to the movable contact, in the draw-in groove between the two adjacent static contacts of middle part embedding of movable contact, the extrados butt of movable contact is on the stationary contact of draw-in groove both sides, promote the slider slip can make the movable contact with the return circuit that makes a transition is different between each draw-in groove, realize the function of making a round trip to switch between the return circuit of difference.

Description

Sliding transition type multi-gear change-over switch

Technical Field

The utility model belongs to the technical field of the switch, concretely relates to slip transition formula many gears change over switch.

Background

The change-over switch is often applied in a signal switch, but is less applied in a high-voltage switch, and in the signal switch, because the circuit voltage and the current are lower, the movable contact piece is also made of a thinner elastic metal sheet, and the elasticity of the movable contact piece is utilized to realize good connection with the static contact piece. However, in the high-voltage switch, the movable contact piece and the fixed terminal are both made of thick metal sheets, so that the movable contact piece and the fixed terminal are high in hardness and low in elasticity, and the connection reliability of the movable contact piece and the fixed terminal cannot be improved by utilizing the elasticity of the movable contact piece.

For the above technical problems, a conventional solution is to use a rocker structure to implement switching of a switching circuit, i.e., a commonly used rocker switch or a ship-type switch, but such a switch can only perform switching between two circuits, but cannot adapt to switching between more circuits.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the sliding transition type multi-gear change-over switch is provided to solve the technical problems that the traditional high-voltage change-over switch can only switch two circuits back and forth and has a narrow application range.

In order to solve the technical problem, the utility model discloses a technical scheme is: a sliding transition type multi-gear change-over switch comprises a hollow shell, wherein the shell is formed by butt joint of a base and a top cover, a long hole is formed in the top cover, a sliding block is arranged in the shell, the top end of the sliding block is connected with a shifting handle extending upwards out of the long hole, the shifting handle can slide back and forth along the length direction of the long hole, at least three static terminals which are sequentially arranged at equal intervals along the length direction of the long hole are arranged on the base, the sliding block is located above each static terminal, each static terminal is provided with a static contact protruding towards the top cover, a concave clamping groove is formed between every two adjacent static contacts, the lower end of the sliding block is provided with an assembling groove opposite to the base, two side walls, parallel to the length direction of the long hole, of the sliding block are respectively provided with two guide holes communicated with the assembling grooves, two guide holes located on the same side wall are respectively arranged at two ends of the assembling groove, the bottom of the sliding block is connected with a bridge-shaped movable contact protruding downwards, two ends of the movable contact are respectively provided with inserting bodies corresponding to the four guide holes one by one to one another, any inserting body is inserted into the corresponding to the corresponding guide holes and can move up and down along the guide holes, a pre-down moving spring is connected with a pre-compression spring, the top surface of the movable contact, the spring is abutted against the middle of the movable contact at the center of the movable contact, the middle of the movable contact, two arc surfaces of the movable contact, and the static contacts are embedded in the two adjacent clamping grooves, and the two clamping grooves, two arc surfaces of the fixed contacts, and the fixed contacts are arranged on the two arc surfaces of the movable contact.

As a preferred scheme, the static contact is in an arch bridge shape protruding upwards, the middle part of the static contact is an arc section positioned above the static terminal, and two ends of the static contact are inclined straight sections for connecting the arc section and the static terminal.

As a preferred scheme, a hemispherical positioning body matched with the spring is arranged on the concave cambered surface of the movable contact spring, the spring is a coil spring, and the lower end of the spring is sleeved on the positioning body.

As an optimal scheme, a plurality of clamping hooks extending towards the top cover are arranged on the inner edges of the two sides of the base respectively, the sliding block is arranged between the clamping hooks on the two sides of the base, clamping openings in one-to-one correspondence with the clamping hooks are arranged on the inner walls of the two sides of the top cover, and when the top cover is connected with the base, the clamping hooks are inserted into the top cover and clamped with the clamping openings in the side wall of the top cover.

The beneficial effects of the utility model are that: the utility model discloses utilize the spring to order about the movable contact spring and sticis on two adjacent stationary contacts, realize the movable contact spring that does not have elastic deformation and the reliable connection of quiet terminal, utilize the plug-in body activity at movable contact spring both ends to peg graft in the guiding hole on the slider simultaneously, make the movable contact spring have the ability that reciprocates, thereby realize that the movable contact spring jumps to another a pair of adjacent stationary contact with switching circuit's function from a pair of adjacent stationary contact, just can follow the equidistant range of slip direction of slider in proper order with the quiet terminal of many circuits as required on this basis, and set up the stationary contact on every stationary terminal, it slides to promote group handle drive slider, just can make the movable contact spring make a round trip to switch between the circuit of arbitrary quantity, can not receive the restriction of circuit quantity, thereby high-voltage change over switch's application scope has been improved greatly.

Drawings

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, in which:

fig. 1 is a schematic diagram of the explosion structure of the present invention;

FIG. 2 is a half sectional view showing an assembled state of a slider and a movable contact piece;

FIG. 3 is an exploded view of the slider and moving contact;

in FIGS. 1 to 3: 1. the device comprises a base, 2, a top cover, 3, a long hole, 4, a sliding block, 5, a shifting handle, 6, a static terminal, 7, a static contact, 701, an arc section, 702, a straight section, 8, an assembling groove, 9, a guide hole, 10, a movable contact, 11, a plug-in body, 12, a spring, 13, a clamping groove, 14, a positioning body, 15, a clamping hook, 16 and a clamping opening.

Detailed Description

The following describes in detail a specific embodiment of the present invention with reference to the drawings.

Fig. 1-3 show a many gears change over switch of slip transition formula, including hollow casing, the casing is formed by butt joint of base 1 and top cap 2, a slot hole 3 has been seted up to the top surface on the top cap 2, be provided with a slider 4 in the casing, the slider 4 top is connected with upwards stretches out the outside handle 5 of dialling of slot hole 3, it can make a round trip to slide to dial handle 5 along the length direction of slot hole 3, and then drive slider 4 and make a round trip to slide in the casing, be provided with four static terminals 6 that follow the length direction of slot hole 3 and arrange equidistantly in proper order on the base 1, slider 4 is located the top of each static terminal 6, be provided with respectively on each static terminal 6 and to the convex stationary contact 7 of top cap 2, form recessed draw-in groove 13 between two adjacent static contacts 7. As shown in fig. 2, the lower end of the slider 4 is provided with an assembly groove 8 facing the base 1, two side walls of the slider 4 parallel to the length direction of the long hole 3 are respectively provided with two guide holes 9 communicating with the assembly groove 8, the two guide holes 9 on the same side wall are respectively arranged at two ends of the assembly groove 8, the bottom of the slider 4 is connected with a downwardly convex arch bridge-shaped movable contact 10, two ends of the movable contact 10 are respectively provided with an insertion body 11 corresponding to the four guide holes 9 one by one, any insertion body 11 is inserted into the corresponding guide hole 9 and can move up and down along the guide hole 9, the center of the inner top surface of the assembly groove 8 is connected with a pre-compressed spring 12, the lower end of the spring 12 abuts against the concave arc surface of the middle part of the movable contact 10, the middle part of the movable contact 10 is inserted into the stationary slot 13 between any two adjacent stationary contacts 7 under the elastic force of the spring 12, and the outer arc surface of the movable contact 10 abuts against the stationary contacts 7 at two sides of the stationary slot 13, so that the two stationary contacts 6 at two sides of the slot 13 are connected.

The fixed contact 7 is in an arch bridge shape protruding upwards, the middle part of the fixed contact 7 is an arc section 701 positioned above the fixed terminal 6, two ends of the fixed contact 7 are inclined straight sections 702 connecting the arc section 701 and the fixed terminal 6, and the straight sections 702 of the fixed contact 7 are opposite to the outer arc surface of the movable contact piece 10, so that the contact area between the fixed contact 7 and the movable contact piece 10 is enlarged, and the contact reliability between the fixed contact 7 and the movable contact piece 10 is improved.

In this embodiment, a hemispherical positioning body 14 matched with the spring 12 is arranged on the concave arc surface of the movable contact piece 10, the spring 12 is a coil spring, and the lower end of the spring 12 is sleeved on the positioning body 14, so as to improve the working stability of the spring 12, avoid the separation of the spring 12 and the movable contact piece 10, and ensure that the movable contact piece 10 can be always abutted against the stationary contact 7.

As shown in fig. 1, in this embodiment, a plurality of hooks 15 extending to the top cover 2 are respectively disposed on inner edges of two sides of the base 1, the slider 4 is disposed between the hooks 15 on the two sides of the base 1, bayonets 16 corresponding to the hooks 15 one by one are disposed on inner walls of two sides of the top cover 2, and when the top cover 2 is connected to the base 1, the hooks 15 are inserted into the top cover 2 and are clamped with the bayonets 16 on the side wall of the top cover 2. Thereby simplify the connection structure of base 1 and top cap 2, improve assembly efficiency, reduction in production cost utilizes trip 15 restriction slider 4 to improve the job stabilization nature of switch along the width direction horizontal hunting of slot hole 3 simultaneously.

The utility model discloses the working process is: as shown in fig. 1, in this embodiment, three loops, i.e., a left loop, a middle loop and a right loop, are formed inside the housing of the switch, the left loop is composed of a left first fixed terminal 6 and a left second fixed terminal 6, the middle loop is composed of a left second fixed terminal 6 and a right second fixed terminal 6, and the right second fixed terminal 6 and the right first fixed terminal 6 of the right loop, when the lever 5 is located at the leftmost end of the slot hole 3 shown in fig. 1, the slider 4 is located right above the left loop, the movable contact 10 at the bottom of the slider 4 abuts against the fixed contacts 7 on the left first fixed terminal 6 and the left second fixed terminal 6 under the elastic force of the spring 12, so that the left loop is conducted, and the lower edge of the movable contact 10 is inserted into the slot 13 between the left first fixed terminal 6 and the left second terminal 6.

When the middle loop needs to be switched on, an operator applies a rightward thrust to the shifting handle 5, under the action of the thrust, the shifting handle 5 drives the sliding block 4 and the movable contact piece 10 to slide rightward, the movable contact piece 10 gradually moves upwards under the guidance of the inclined straight section 702 of the fixed contact 7 on the left second fixed terminal 6 in the process of moving rightward, finally, the movable contact piece passes through the top end of the fixed contact 7 on the left second fixed terminal 6 and enters the clamping groove 13 between the left second fixed terminal 6 and the right second fixed terminal 6, under the action of the elastic force of the spring 12, the movable contact piece 10 moves downwards until the movable contact piece is abutted against the fixed contact 7 on the left second fixed terminal 6 and the right second fixed terminal 6, and therefore, the switch completes the switching process of switching from the left loop conduction to the middle loop conduction.

The process of switching the right loop is similar to that of switching the middle loop, and the operator continues to push the dial grip 5 to the right, which is not described herein again.

In the process of switching each loop, the card slot 13 makes each switching have obvious pause and frustration, so that an operator can receive a signal of finishing the loop switching. The reliability of the switch in the process of switching the loop is improved.

To sum up, slip transition formula many gears change over switch, can realize two, three or more switching round trip between the return circuit even, improved high voltage change over switch's application scope greatly.

The foregoing embodiments are merely illustrative of the principles and effects of the present invention, as well as some embodiments, and are not intended to limit the invention; it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.

Claims

1. A sliding transition type multi-gear change-over switch comprises a hollow shell and is characterized in that the shell is formed by butt joint of a base (1) and a top cover (2), a long hole (3) is formed in the top cover (2), a sliding block (4) is arranged in the shell, the top end of the sliding block (4) is connected with a shifting handle (5) which extends upwards out of the long hole (3), the shifting handle (5) can slide back and forth along the length direction of the long hole (3), at least three static terminals (6) which are sequentially arranged at equal intervals along the length direction of the long hole (3) are arranged on the base (1), the sliding block (4) is positioned above each static terminal (6), and each static terminal (6) is respectively provided with a static contact (7) protruding towards the top cover (2), a concave clamping groove (13) is formed between two adjacent static contacts (7), the lower end of the sliding block (4) is provided with an assembly groove (8) which is just opposite to the base (1), two side walls of the sliding block (4) parallel to the length direction of the long hole (3) are respectively provided with two guide holes (9) communicated with the assembly groove (8), the two guide holes (9) on the same side wall are respectively arranged at two ends of the assembly groove (8), the bottom of the sliding block (4) is connected with an arch bridge-shaped movable contact spring (10) which protrudes downwards, two ends of the movable contact spring (10) are respectively provided with plug-in bodies (11) which are in one-to-one correspondence with the four guide holes (9), any plug-in body (11) is plugged in the corresponding guide hole (9) and can move up and down along the guide hole (9), the center of the inner top surface of the assembly groove (8) is connected with a pre-compressed spring (12), the lower end of the spring (12) abuts against the concave arc surface in the middle of the movable contact (10), the middle of the movable contact (10) is embedded into the clamping groove (13) between two adjacent fixed contacts (7), and the outer arc surface of the movable contact (10) abuts against the fixed contacts (7) on the two sides of the clamping groove (13).

2. The sliding transition type multi-gear change-over switch as claimed in claim 1, wherein the stationary contact (7) is in the shape of an arch bridge protruding upwards, the middle part of the stationary contact (7) is an arc section (701) located above the stationary terminal (6), and the two ends are inclined straight sections (702) connecting the arc section (701) and the stationary terminal (6).

3. The sliding transition type multi-gear change-over switch according to claim 1, wherein a hemispherical positioning body (14) matched with the spring (12) is arranged on the concave arc surface of the moving contact (10), the spring (12) is a coil spring, and the lower end of the spring (12) is sleeved on the positioning body (14).

4. The sliding transition type multi-gear change-over switch according to claim 1, wherein a plurality of hooks (15) extending to the top cover (2) are respectively arranged on inner edges of two sides of the base (1), the sliding block (4) is arranged between the hooks (15) on two sides of the base (1), bayonets (16) corresponding to the hooks (15) one by one are arranged on inner walls of two sides of the top cover (2), and when the top cover (2) is connected with the base (1), the hooks (15) are inserted into the top cover (2) and are clamped with the bayonets (16) on the side wall of the top cover (2).