CN210925819U

CN210925819U - Point contact switch

Info

Publication number: CN210925819U
Application number: CN201921899998.8U
Authority: CN
Inventors: 周月灯
Original assignee: Wenzhou Fugang Electronic Co ltd
Current assignee: Zhejiang Fugang Electronics Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-07-03
Anticipated expiration: 2029-11-06

Abstract

The utility model provides a point contact switch, the on-line screen storage device comprises a base, the cap and from the bottom up set gradually the conducting assembly between base and cap, the closing plate, the pressing piece, conducting assembly includes the current conducting plate and with the integrative wiring board of first current conducting plate, the current conducting plate middle part is equipped with the prominent portion of touching that makes progress, two are touched and are equipped with the contact with two current conducting plate cooperations use between the portion, wherein the contact uses with the pressing piece cooperation, the pedestal internal rotation has the screw rod, wherein contact sliding connection is on two screw rods, the cover has the spring with contact bottom surface contact on the screw rod, wherein the pressing piece bottom is equipped with a pair of contacts of controlling interval distribution, the contact uses with. The utility model discloses structural design is ingenious, and first can avoid conductive component to deviate from, and the second utilizes the ballpoint to press the service position that the principle of structure confirmed the contact for the contact can stably exist on the current conducting plate when the switch is open state, and the compressive strength of contact is good simultaneously, can not warp, thereby prolongs the life of switch, excellent in use effect.

Description

Point contact switch

Technical Field

The utility model relates to a switch, especially a point contact switch.

Background

At present, a tact switch is also called a key switch, when the tact switch is used, the switch is closed and switched on by applying pressure to the switch operation direction under the condition of meeting the operation force, when the pressure is relieved, the switch is switched off, and the internal structure of the tact switch is switched on and off by the stress change of a metal elastic sheet. Dab switch includes base, current conducting plate, metal shrapnel, pressing member and apron, and the metal shrapnel is a thinner flexure strip, under the influence of the holding down force of pressing member, turns over about the realization, but metal shrapnel itself is the thin slice, and it produces promptly to use the holistic elasticity of back that uses gradually to lose after tired repeatedly using, and the fragility of itself also increases, turns over the condition that can not arrive the position or direct fracture appearing turning over promptly in the use, influences the life who dabs the switch.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve above-mentioned prior art's shortcoming, provide a point contact switch that excellent in use effect, the life of extension switch, convenient and fast.

The utility model provides a technical scheme that its technical problem adopted: the point contact switch comprises a base, a cap head, a conductive assembly, a sealing plate and a pressing piece, wherein the conductive assembly, the sealing plate and the pressing piece are sequentially arranged between the base and the cap head from bottom to top, a mounting groove for mounting the conductive assembly is formed in the base and comprises a left mounting groove and a right mounting groove which are distributed at intervals, the conductive assembly is mounted in the left mounting groove and the right mounting groove and comprises a conductive plate and a wiring board integrated with a first conductive plate, an upward protruding contact part is arranged in the middle of the conductive plate, a contact plate matched with the two conductive plates is arranged between the two contact parts, the contact plate is matched with the pressing piece for use, the middle part of the contact plate protrudes upwards, a pair of threaded grooves distributed at left and right intervals are formed in a base body, the two threaded grooves are arranged between the left mounting groove and the right mounting groove, a screw rod is screwed in the threaded grooves, the closing plate is installed in base up end and supplies the screw rod to pass, and the pressing piece is including pressing the main part and installing in pressing the anticreep head of main part lower extreme, and wherein anticreep head bottom is equipped with a pair of left and right spaced distribution's contact, and the contact uses with the contact cooperation, and wherein the contact passes the closing plate.

Further perfect, left side mounting groove left side is equipped with opens in the pedestal and is the first extending groove of intercommunication setting with left mounting groove.

Further perfection, the right side of the right mounting groove is provided with a second extending groove which is arranged in the seat body and is communicated with the right mounting groove.

Further perfect, it has the first slot that the main part was pressed in the subsides of round subsides to open in the anticreep head, and overhead the opening of cap has the through-hole that supplies to press the main part and pass, and wherein the lower extreme edge of through-hole is equipped with the inserted block that the round was inserted in first slot.

Further perfection, a second slot is formed between the insertion block and the inner wall of the cap head, and the non-first slot part at the upper end of the anti-falling head is inserted into the second slot.

The utility model discloses profitable effect is: the utility model discloses structural design is ingenious, and first can avoid conductive component to deviate from, and the second utilizes the ballpoint to press the service position that the principle of structure confirmed the contact for the contact can stably exist on the current conducting plate when the switch is open state, and the compressive strength of contact is good simultaneously, can not warp, thereby prolongs the life of switch, excellent in use effect.

Drawings

Fig. 1 is a schematic plan view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;

fig. 3 is a schematic view of the internal structure of the seat body of the present invention;

fig. 4 is a schematic plan view of the pressing member of the present invention;

fig. 5 is a schematic plan view of the cap head of the present invention.

Description of reference numerals: the anti-dropping cap comprises a base 1, a cap head 2, a conductive assembly 3, a closing plate 4, a pressing piece 5, a mounting groove 6, a left mounting groove 6-1, a right mounting groove 6-2, a conductive plate 7, a wiring board 8, a contact part 9, a contact piece 10, a thread groove 11, a screw 12, a spring 13, a pressing main body 14, an anti-dropping head 15, a contact 16, a first extending groove 17, a second extending groove 18, a first slot 19, a through hole 20, an insertion block 21 and a second slot 22.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

with reference to the accompanying drawings: the point contact switch comprises a base 1, a cap head 2, a conductive assembly 3, a sealing plate 4 and a pressing piece 5, wherein the conductive assembly 3, the sealing plate and the pressing piece 5 are sequentially arranged between the base 1 and the cap head 2 from bottom to top, a mounting groove 6 for mounting the conductive assembly 3 is formed in the base 1, the mounting groove 6 comprises a left mounting groove 6-1 and a right mounting groove 6-2 which are distributed at intervals, the conductive assembly 3 is mounted in the left mounting groove 6-1 and the right mounting groove 6-2, the conductive assembly 3 comprises a conductive plate 7 and a wiring board 8 which is integrated with the conductive plate 7, an upward protruding contact part 9 is arranged in the middle of the conductive plate 7, a contact piece 10 which is matched with the two conductive plates 7 is arranged between the two contact parts 9, the contact piece 10 is matched with the pressing piece 5 for use, the middle part of the contact piece 10 protrudes upwards, a pair of left and right threaded grooves 11 which are distributed at intervals are formed, the screw rod 12 is screwed in the thread groove 11, wherein the contact piece 10 is connected to the two screw rods 12 in a sliding manner, the screw rod 12 is sleeved with a spring 13 which is in contact with the bottom surface of the contact piece 10, the closing plate 4 is installed on the upper end surface of the base 1 and is used for the screw rod 12 to pass through, the pressing piece 5 comprises a pressing main body 14 and an anti-falling head 15 installed at the lower end of the pressing main body 14, a pair of contacts 16 which are distributed at intervals from left to right is arranged at the bottom of the anti-falling head 15, the contacts 16 are matched with the contact piece.

When in use, the contact 16 passes through the closing plate 4 to be pressed against the contact piece 10 by pressing the pressing piece 5, then the contact piece 10 is brought to the conductive component 3, namely the conductive plate 7 by using the downward pressure, so that the power can be supplied, the pressing mode of the switch adopts a ball-point pen pressing mode, namely the internal structure of the pressing piece 5 is consistent with that of the ball-point pen pressing structure (the ball-point pen pressing structure is the prior art, so the description is not repeated), the contact piece 16 is driven to move downwards after the pressing piece 5 is pressed, namely the contact piece 10 is driven to move downwards, the contact piece 10 is driven to move upwards and downwards by using the two screw rods 12 as a guide, meanwhile, the return speed of the contact piece 10 can be increased by the spring at the bottom, the contact piece also conforms to the ball-point pen pressing principle, and is returned after the downward pressure is relieved, the movement mode that the two screw rods 12 limit the contact piece, the two thread grooves 11 are arranged between the left mounting groove 6-1 and the right mounting groove 6-2, the arrangement ensures that the screw 12 is not in contact with the two conductive components 3, the distribution is reasonable, the thread connection mode is simple and rapid, and the installation is convenient, the middle part of the contact piece 10 is upwards convex, the arrangement realizes that the two sides are low and the middle is high, and generates contrast with the traditional elastic contact piece, thereby solving the problem that the traditional elastic contact piece is easy to damage, the middle part of the conductive plate 7 of the conductive component 3 arranged in the left mounting groove 6-1 and the right mounting groove 6-2 is also upwards convex, the arrangement is convenient for contacting with the contact piece 10 to realize the conduction, simultaneously, the distance difference between the contact piece 10 and the conductive plate 7 can be reduced, the moving stroke is reduced, the sealing plate 4 is arranged at the upper end of the seat body 1 and is used for sealing the area for installing, plays a dustproof role, is convenient for installing the cap head 2, and has good use effect.

The left side of the left mounting groove 6-1 is provided with a first extension groove 17 which is arranged in the seat body 1 and is communicated with the left mounting groove 6-1.

When the wiring board is used, the first extending groove 17 is formed on the left side of the left mounting groove 6-1, and the clamping part can be formed in the left mounting groove 6-1 through the first extending groove 17, so that the wiring board 8 can be clamped in the clamping part, and therefore the mounting stability of the conductive component 3 is improved and the conductive component cannot be separated.

The right side of the right mounting groove 6-2 is provided with a second extending groove 18 which is arranged in the seat body 1 and is communicated with the right mounting groove 6-2.

When in use, the second extending slot 18 is opened at the right side of the right mounting slot 6-2, and the second extending slot 18 can form a clamping part in the right mounting slot 6-2, so that the wiring board 8 can be clamped in the clamping part, thereby increasing the mounting stability of the conductive component 3 and preventing the conductive component from falling off.

A circle of first inserting grooves 19 attached to the pressing main body 14 are formed in the anti-falling head 15, through holes 20 allowing the pressing main body 14 to penetrate are formed in the cap head 2, and a circle of inserting blocks 21 inserted into the first inserting grooves 19 are arranged at the lower end edges of the through holes 20.

When the rapid-installation type cap head pressing piece is used, the pressing piece 5 and the cap head 2 are quickly installed, and the pressing piece 5 and the cap head 2 are guaranteed to be matched well.

A second slot 22 is formed between the insertion block 21 and the inner wall of the cap head 2, wherein the upper end of the anti-falling head 15, which is not the first slot 19, is partially inserted into the second slot 22.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. The utility model provides a point touch switch, includes base (1), cap (2) and from the bottom up sets gradually conductive component (3), closing plate (4), pressing member (5) between base (1) and cap (2), characterized by: the base is characterized in that a mounting groove (6) for mounting a conductive assembly (3) is formed in the base (1), the mounting groove (6) comprises a left mounting groove (6-1) and a right mounting groove (6-2) which are distributed at intervals, the conductive assembly (3) is mounted in the left mounting groove (6-1) and the right mounting groove (6-2), the conductive assembly (3) comprises a conductive plate (7) and a wiring board (8) which is integrated with the conductive plate (7), an upward protruding contact part (9) is arranged in the middle of the conductive plate (7), a contact piece (10) which is used in cooperation with the two conductive plates (7) is arranged between the two contact parts (9), the contact piece (10) is used in cooperation with the pressing piece (5), the middle of the contact piece (10) protrudes upwards, a pair of left and right threaded grooves (11) which are distributed at intervals is formed in the base (1), and the two threaded grooves (11) are arranged between the left mounting groove (6-1) and, the anti-dropping device is characterized in that screw rods (12) are screwed in the thread grooves (11), wherein the contact plates (10) are connected to the two screw rods (12) in a sliding mode, springs (13) which are in contact with the bottom surfaces of the contact plates (10) are sleeved on the screw rods (12), the closing plate (4) is installed on the upper end face of the base (1) and is used for the screw rods (12) to penetrate through, the pressing piece (5) comprises a pressing main body (14) and anti-dropping heads (15) installed at the lower end of the pressing main body (14), a pair of contacts (16) distributed at left and right intervals are arranged at the bottom of the anti-dropping heads (15), the contacts (16) are matched with the contact plates (10) for use.

2. The point contact switch of claim 1, wherein: and a first extension groove (17) which is arranged in the base (1) and communicated with the left mounting groove (6-1) is arranged on the left side of the left mounting groove (6-1).

3. The point contact switch of claim 1, wherein: and a second extension groove (18) which is arranged in the base (1) and communicated with the right mounting groove (6-2) is arranged on the right side of the right mounting groove (6-2).

4. The point contact switch of claim 1, wherein: a circle of first inserting grooves (19) attached to the pressing main body (14) are formed in the anti-falling head (15), through holes (20) allowing the pressing main body (14) to penetrate through are formed in the cap head (2), and a circle of inserting blocks (21) inserted into the first inserting grooves (19) are arranged at the lower end edges of the through holes (20).

5. The point contact switch of claim 4, wherein: a second slot (22) is formed between the insertion block (21) and the inner wall of the cap head (2), wherein the non-first slot (19) at the upper end of the anti-falling head (15) is partially inserted into the second slot (22).