CN211376479U - Control button switch - Google Patents

Abstract

The utility model provides a control button switch belongs to a locomotive control electrical apparatus, can be used to control the plant equipment of locomotive, EMUs, city light rail, subway etc.. The touch switch comprises a button head component, a connecting bracket, a driving structure, a contact connecting frame and a contact switch; the outer cylinder of the button head component is clamped with the connecting bracket; the top end of the connecting bracket is provided with an opening through which an inner cylinder of the button head component can penetrate; the connecting bracket is fixed at the top end of the contact connecting frame, and the contact switch is positioned in the contact connecting frame; the driving structure comprises an elastic component and an action plate; the elastic component is fixed at the top end of the contact connecting frame and is positioned in the connecting bracket; the action plate is fixedly connected with the free end of the elastic component, and the elastic component can drive the action plate to contact with the contact switch under the pressing of the inner barrel. The problems that the button switch in the background technology is large in overall dimension, poor in circuit on-off reliability and limited in the number of the button head parts for driving the switches simultaneously are solved.

Description

Control button switch

Technical Field

The utility model belongs to a locomotive control electrical apparatus for put through or divide the disconnected undercurrent circuit for the short time, can be used to control the device equipment of locomotive, EMUs, city light rail, subway etc..

Background

At present, the main type plane button switches adopted on domestic locomotives in China can be roughly divided into the following two types according to installation modes, appearance sizes, matching contacts and the like:

the utility model provides a need for the button head with the contact connecting seat through rotatory mode, behind the card income draw-in groove, directly fixed with the panel with the screw on the contact connecting seat: i.e. directly fixed with the mounting panel by means of single or double screws. And the matched contact switches are in a superposition type. When the required closing relationship is more, the contact switch needs to be continuously overlapped in the vertical direction. The button with the structure is compact in the plane size of the button arrangement, but the height in the vertical direction can be continuously increased along with the increase of the required closing relation, if the button is a button with a lamp, the height is larger, and the button is not beneficial to the installation of the button with a small size space in practical application; and the mode that needs to cooperate screw fastening and panel cooperation installation, inconvenient installation, and cause the slope easily, the installation is insecure, causes not hard up.

The other type is that the button head can be directly connected with the contact connecting seat in a clamped mode, the button head is directly fixed with the panel through the fastening seat, the matched contact can also be directly connected with the panel in an assembled mode in a physical mode, the height dimension of the button head in the vertical direction is consistent, and the button head is suitable for installation in small-size space. However, in the push switch having such a configuration, the contact resistance value increases with the number of times of button operations after the contact switch is operated by the on current. The resistance value is larger and larger, and the switch is not suitable for switching on and switching off of small current; the contact switch does not have forced disconnection operation, and a circuit cannot be reliably disconnected under the condition that the contact is adhered or the spring is broken; meanwhile, when the number of the contact switches is large, the heads of the buttons cannot drive the switches simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model provides a big, the button head that circuit break-make reliability is poor reaches of overall dimension that button switch exists simultaneously drives the limited problem of switch quantity in order to solve among the background art, the utility model provides a control button switch.

The technical solution of the utility model is to provide a control button switch, which comprises a button head component, a connecting bracket, a driving structure, a contact connecting bracket and a contact switch;

the button head component comprises an inner cylinder and an outer cylinder sleeved outside the inner cylinder; the inner cylinder can move in the outer cylinder along the axial direction under the action of external force;

it is characterized in that:

the outer cylinder is clamped with the connecting bracket;

the top end of the connecting bracket is provided with an opening through which the inner cylinder can pass;

the connecting bracket is fixed at the top end of the contact connecting frame, and the contact switch is positioned in the contact connecting frame;

the driving structure comprises an elastic component and an action plate; the elastic component is fixed at the top end of the contact connecting frame and is positioned in the connecting bracket; the action plate is fixedly connected with the free end of the elastic component, and the elastic component can drive the action plate to contact with the contact switch under the pressing of the inner cylinder.

Further, in order to improve the reliability of the on-off of the circuit, the contact switch has the following types: S870W1A1 k.

Furthermore, the inner wall of the connecting support is provided with a guide groove along the axial direction of the connecting support, and the elastic component can move along the guide groove.

Furthermore, the two guide grooves are formed along two opposite inner walls of the connecting bracket; the two elastic components can move along each guide groove respectively;

the action plate comprises two L-shaped fixed arms and a contact plate, one end of each L-shaped fixed arm is fixed with the free end of the elastic part, and the other end of each L-shaped fixed arm penetrates through the top end of the contact connecting frame and is fixed with the contact plate above the contact switch.

Further, the elastic member is a spring.

Further, the button head assembly further comprises a silica gel sleeve arranged between the inner cylinder and the outer cylinder.

Furthermore, in order to add friction, a metal ring is arranged on the periphery of the head of the inner cylinder, a plurality of grooves are axially formed in the outer wall of the metal ring, and the grooves are circumferentially distributed along the outer wall of the metal ring.

Furthermore, in order to prevent misoperation, the button head assembly also comprises a thread fastening seat sleeved outside the outer cylinder and an anti-misoperation protective cover buckled on the button head; the anti-misoperation protective cover comprises a sleeve and an end cover hinged with the sleeve; the sleeve is sleeved on the thread fastening seat.

Furthermore, the control button switch also comprises an indicator light fixed in the contact connecting frame, and a hole for the indicator light post to pass through is reserved on the action plate.

Furthermore, a groove is formed in the outer wall of the outer barrel, a boss is arranged on the inner wall of the connecting support, and the boss and the groove are matched to realize clamping connection.

The utility model has the advantages that:

1. the utility model can simultaneously install and drive 4 contact switches through the driving structure of the spring and the action plate, thereby meeting the requirements of different closing relations and solving the problem that the heads of the buttons can not drive the switches simultaneously when the number of the contact switches is large;

2. the utility model selects the S870W1A1k contact switch, the contact switch has small volume, the overall dimension of the button is smaller, the height dimension is consistent, and the utility model is suitable for the installation of small-size space;

3. the contact switch selected by the utility model has the characteristics of self-cleaning contact and dust, moisture and pollutant prevention, and can still maintain higher reliability even under the condition of low contact load; in the aspect of telecommunication and automation, the circuit is particularly suitable for the on-off of low voltage and weak current; the circuit has forced disconnection operation, and even if the contact is adhered or the spring is broken, the circuit can be reliably disconnected;

4. the outer cylinder of the button head component of the utility model is clamped with the connecting bracket; the control button switch is more convenient to mount and dismount, is convenient to dismount and is not easy to loosen;

5. the utility model can make the protection grade reach IP65 by adding the silica gel sleeve and the false-action-proof protective cover;

6. the utility model discloses the button also has great difference with domestic main type button switch outward appearance in the outward appearance. The metal ring is arranged on the outer peripheral surface of the button head, so that the button is more attractive and elegant, and is easy to distinguish from the existing button products on the market; and the peripheral surface of the metal ring is provided with a groove, so that the friction force can be increased when the button is rotated and released;

7. the utility model discloses the cooperation of button switch uses the pilot lamp, and the contact switch appearance, the structure that select for use are unanimous in the design, easily with switch combination assembly; not only comprises a plurality of color choices, but also adds the function of preventing reverse connection in circuit design; the indicator light is lighted after being electrified, which indicates that the button switch is connected with the circuit to work and can guide the operation of personnel.

Drawings

FIG. 1 is a schematic structural diagram of a control button switch in an embodiment;

FIG. 2 is a sectional view of a control button switch in the embodiment;

FIG. 3 is a schematic structural view of a connecting bracket according to an embodiment;

FIG. 4 is a schematic structural diagram of an operation plate in the embodiment;

FIG. 5 is a schematic structural diagram of an outer cylinder of a button head assembly in an embodiment;

FIG. 6 is a schematic structural view of the metal ring added to the metal ring shown in FIG. 1;

FIG. 7 is a schematic structural view of the anti-malfunction protective cover and the indicator light which are added to the structure of FIG. 1;

the reference numbers in the figures are: 1-a button head component, 11-an inner cylinder, 12-an outer cylinder, 121-a groove, 111-a metal ring, 112-a false-action-preventing protective cover, 113-a sleeve, 114-an end cover, 2-a connecting bracket, 21-an opening, 22-a guide groove, 23-a lug boss, 3-a contact connecting frame, 4-a contact switch, 5-an action plate, 51-an L-shaped fixed arm, 52-a contact plate, 6-an elastic component, 7-an indicator light and 8-a thread fastening seat.

Detailed Description

The invention is further described with reference to the following figures and specific embodiments.

As can be seen from fig. 1 and 2, the control button switch of the present embodiment mainly includes a button head assembly 1, a connecting bracket 2, a driving structure, a contact connecting bracket 3, and a contact switch 4.

The button head assembly 1 includes an inner cylinder 11 and an outer cylinder 12, the inner cylinder 11 is sleeved in the outer cylinder 12, and can move in the outer cylinder 12 along the axial direction under the action of hand pressing. In this embodiment, the shape of the button head may also be modified, as shown in fig. 6, an annular metal ring 111 is additionally disposed on the outer circumferential surface of the inner barrel 11, and a plurality of grooves are disposed on the outer circumferential surface of the metal ring 111 along the axial direction and arranged along the circumferential direction, so that the friction force may be increased when the button is released by rotation. The button is attractive and elegant in appearance and is easy to distinguish from the existing button products on the market. According to the actual use requirement, a silica gel sleeve can be additionally arranged between the inner cylinder 11 and the outer cylinder 12, a misoperation-preventing protective cover 112 is buckled at the head of the button, as shown in fig. 6, and the misoperation-preventing protective cover 112 comprises a sleeve 113 and an end cover 114 hinged with the sleeve 113; the sleeve 113 is fitted over the threaded fastening seat 8. When the inner barrel 11 is pressed by mistake, misoperation is prevented due to blocking of the button protective cover, and meanwhile, when the button protective cover is not opened, a larger gap is avoided, so that protection is further improved.

The connecting support 2 is fixed at the top end of the contact connecting frame 3, and the contact switch 4 is fixed in the contact connecting frame 3. Referring to fig. 3 and 5, as can be seen from fig. 3, the top end of the connecting bracket 2 of the present embodiment is provided with an opening 21, and the opening 21 can allow the inner cylinder 11 in the button head assembly 1 to pass through; the inner wall of the connecting support 2 is provided with a boss 23 along the axial direction, as can be seen from fig. 6, the outer wall of the outer cylinder 12 in the button head assembly 1 is provided with a groove 121 along the axial direction, and the boss 23 is matched with the groove 121 to clamp the outer cylinder 12 of the button head assembly 1 on the connecting support 2.

Referring to fig. 2, the driving structure includes an elastic member 6 and an action plate 5, in this embodiment, two springs are used as the elastic members 6, and the number and the type of the springs can be adjusted according to the requirement in other embodiments. One end of the spring is fixed at the top end of the contact connecting frame 3 and is positioned in the connecting bracket 2, and the other end of the spring is a free end; as shown in fig. 3, two guide grooves 22 are formed along the axial direction of the inner wall of the connecting bracket 2, and the spring is located in the guide grooves 22 and moves along the guide grooves 22. The action plate 5 is fixedly connected with the free end of the spring, and the spring can drive the action plate 5 to be contacted with the contact switch 4 under the pressing of the inner cylinder 11. Referring to fig. 2 and 4, the action plate 5 of the present embodiment includes two L-shaped fixing arms 51 and a contact plate 52. One end of an L-shaped fixing arm 51 is fixed to the free end of the spring, and the other end passes through the top end of the contact connecting frame 3 and is fixed to a contact plate 52 located above the contact switch 4.

As shown in fig. 6, the present invention can also fix an indicator light 7 in the contact connecting frame 3, and the indicator light is installed together with the contact switch 4 and located between the two contact switches 4. And the action plate 5 is provided with a hole for the lamp post of the indicating lamp to pass through, so that the lamp light can be better scattered. The indicator lamp is additionally provided with an anti-reverse function, so that the damage caused by the reverse connection of the positive and negative of the indicator lamp is prevented. The indicator light is lighted after being electrified, which indicates that the button switch is connected with the circuit to work and can guide the operation of personnel.

The working principle is as follows:

the inner barrel in the button head component is pressed by hands, the inner barrel moves downwards, so that the action plate is driven to move downwards to be in contact with the contacts simultaneously, and the control button switch can meet the requirement that the contacts act simultaneously by adopting the structure. And the contact switch used by the control button switch is provided with a normally open end and a normally closed end simultaneously, so that different closing requirements can be met.

When misoperation is possible, the misoperation-preventing protective cover can block the operation, if normal use is required, the operation can be carried out only by opening the end cover of the button protective cover, and after the operation is finished, the torsional spring arranged on the misoperation-preventing protective cover can enable the end cover of the protective cover to automatically reset; the protection cover has better sealing performance, improves the protection grade while preventing misoperation, has the function of lead sealing, and improves the safety and reliability.

Claims (10)

1. A control button switch comprises a button head component (1), a connecting bracket (2), a driving structure, a contact connecting bracket (3) and a contact switch (4);

the button head assembly (1) comprises an inner cylinder (11) and an outer cylinder (12) sleeved outside the inner cylinder; the inner cylinder (11) can move in the outer cylinder (12) along the axial direction under the action of external force;

the method is characterized in that:

the outer barrel (12) is clamped with the connecting bracket (2);

an opening (21) through which the inner cylinder (11) can penetrate is formed in the top end of the connecting support (2);

the connecting support (2) is fixed at the top end of the contact connecting frame (3), and the contact switch (4) is positioned in the contact connecting frame (3);

the driving structure comprises an elastic component (6) and an action plate (5); the elastic component (6) is fixed at the top end of the contact connecting frame (3) and is positioned in the connecting support (2); the action plate (5) is fixedly connected with the free end of the elastic component (6), and the elastic component (6) can drive the action plate (5) to be contacted with the contact switch (4) under the pressing of the inner cylinder (11).

2. The control button switch according to claim 1, wherein: the type of the contact switch (4) is as follows: S870W1A1 k.

3. The control button switch according to claim 2, wherein: the inner wall of the connecting support (2) is provided with a guide groove (22) along the axial direction of the connecting support, and the elastic component (6) can move along the guide groove (22).

4. The control button switch according to claim 3, wherein: the number of the guide grooves (22) is two, and the guide grooves are formed along two opposite inner walls of the connecting support (2); the number of the elastic parts (6) is two, and the elastic parts can move along each guide groove (22) respectively;

the action plate (5) comprises two L-shaped fixing arms (51) and a contact plate (52), one end of each L-shaped fixing arm (51) is fixed to the free end of the elastic part (6), and the other end of each L-shaped fixing arm penetrates through the top end of the contact connecting frame (3) and is fixed to the contact plate (52) above the contact switch (4).

5. The control button switch according to claim 4, wherein: the elastic component (6) is a spring.

6. The control button switch according to claim 4, wherein: the button head assembly (1) further comprises a silica gel sleeve arranged between the inner cylinder (11) and the outer cylinder (12).

7. The control button switch according to claim 6, wherein: the outer periphery of the head of the inner barrel (11) is provided with a metal ring (111), a plurality of grooves are axially formed in the outer wall of the metal ring (111), and the grooves are circumferentially distributed along the outer wall of the metal ring (111).

8. The control button switch according to claim 7, wherein: the button head assembly (1) further comprises a thread fastening seat (8) sleeved outside the outer cylinder and an anti-misoperation protective cover (112) buckled on the head of the button; the anti-misoperation protective cover (112) comprises a sleeve (113) and an end cover (114) hinged with the sleeve (113); the sleeve (113) is sleeved on the thread fastening seat (8).

9. The control button switch according to claim 8, wherein: the contact type switch also comprises an indicator light (7) fixed in the contact connecting frame (3), and a hole for the indicator light post to pass through is reserved on the action plate (5).

10. The control button switch according to claim 9, wherein: the outer wall of the outer barrel (12) is provided with a groove (121), the inner wall of the connecting support (2) is provided with a boss (23), and the boss (23) is matched with the groove (121) to realize clamping.

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