CN210223814U

CN210223814U - Mechanical limit switch structure for switch box

Info

Publication number: CN210223814U
Application number: CN201921287634.4U
Authority: CN
Inventors: Xinke Lin; 林鑫科
Original assignee: Guizhou Donghong Power Technology Co Ltd
Current assignee: Guizhou Donghong Power Technology Co Ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-03-31
Anticipated expiration: 2029-08-09

Abstract

The utility model discloses a mechanical type limit switch structure that switch box was used, include the switch body and fix the installed part in switch body both sides, the one end of switch body is provided with the transmission line, and is fixed with binding post on the switch body, a side of installed part is provided with the mount pad, and is provided with the rectangle inserted bar on the installed part, the both sides of rectangle inserted bar all are fixed with the connection piece, the rectangular hole has been seted up on the installed part, the jack has been seted up on the mount pad, and the bottom both sides of jack have all seted up spacing draw-in groove, the bottom both sides of rectangle inserted bar all are fixed with first flexure strip, and bottom one side of first flexure strip is fixed with first stopper, the one end of connection piece is fixed with the second flexure strip, the through-hole has been seted up to the one end of switch body. The utility model discloses simple structure has made things convenient for the installation and the dismantlement of switch body, has made things convenient for the connection of transmission line simultaneously, and actual operation is simple laborsaving, and the practicality is strong.

Description

Mechanical limit switch structure for switch box

Technical Field

The utility model relates to a limit switch technical field especially relates to a mechanical type limit switch structure that switch box was used.

Background

The limit switch is also called a travel switch, and can be installed on relatively static objects (such as a fixed frame, a door frame and the like, called static objects for short) or moving objects (such as a traveling crane, a door and the like, called animals for short), when the animals approach the static objects, the connecting rod of the switch drives the contact of the switch to cause the disconnection of the closed contact or the closing of the opened contact.

Present limit switch all can adopt the bolt to install, this kind of mounting means need just can realize the installation with the help of the instrument, also need be with the help of the instrument when dismantling, the troublesome poeration, the influence is used, secondly, limit switch is when carrying out the circuit installation, need first install the joint in the one end of transmission line, then with the joint plug socket to the through-hole on, this kind of mounting means need utilize the joint, and do not have the place of joint just can't install in open air etc. therefore, we provide a mechanical type limit switch structure that switch box used.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a mechanical limit switch structure for a switch box.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a mechanical limit switch structure for a switch box comprises a switch body and mounting pieces fixed on two sides of the switch body, wherein one end of the switch body is provided with a transmission line, a wiring terminal is fixed on the switch body, one side surface of each mounting piece is provided with a mounting seat, a rectangular insertion rod is arranged on each mounting piece, connecting pieces are fixed on two sides of each rectangular insertion rod, a rectangular hole is formed in each mounting piece, each mounting seat is provided with a jack, two sides of the bottom of each jack are provided with limit clamping grooves, two sides of the bottom of each rectangular insertion rod are respectively fixed with a first elastic sheet, a first limiting block is fixed on one side of the bottom of each first elastic sheet, a second elastic sheet is fixed at one end of each connecting piece, a second limiting block is welded on one side of the bottom of each second elastic sheet, a through hole is formed in one end of the switch body, and a connecting hole is formed in, arc conducting strip is installed in the interior bottom surface embedding of through-hole, binding post's inside has been seted up and has been accomodate the groove, and has accomodate the symmetry on two internal faces that the groove is mutually opposite and seted up first locating hole and second locating hole, the interior roof of accomodating the groove runs through there is the connecting rod, and the top of connecting rod is fixed with the preforming, the bottom of connecting rod is fixed with the extrusion piece, and the both sides of connecting rod all are provided with the third flexure strip, the one end of third flexure strip is fixed with the locating piece.

Preferably, the rectangular insertion rod penetrates through the rectangular hole, and the rectangular insertion rod is inserted into the insertion hole.

Preferably, a rubber pad is arranged on the outer side face of the second elastic sheet, and anti-skid grains are arranged on the outer surface of the upper end of the pressing sheet, the outer surface of the lower end of the extrusion block and the outer side face of the rubber pad.

Preferably, the first limiting block is clamped inside the limiting clamping groove, and the second limiting block is in contact with the first limiting block.

Preferably, a first inclined plane is arranged on the upper side of one end of the first limiting block, and a second inclined plane is arranged on the lower side of one end of the first limiting block.

Preferably, the outer surface of the upper end of the arc-shaped conducting strip is provided with anti-skidding teeth, and the arc-shaped conducting strip is electrically connected with the switch body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in through setting up rectangle inserted bar, connection piece, jack, spacing draw-in groove, first flexure strip, first stopper, second flexure strip and second stopper, directly pass the inside that the rectangular hole was pegged graft to the jack with the rectangle inserted bar for the installation of switch body can be realized to the inside of spacing draw-in groove to first stopper chucking, and easy operation is convenient, need not to realize with the help of other instruments, and the practicality is strong.

2. The utility model discloses in through setting up connecting hole, arc conducting strip, accomodating groove, first locating hole, second locating hole, connecting rod, preforming, third flexure strip, locating piece and extrusion piece, directly with the binding post integration to the switch body on, adopt simple structure can realize the connection of transmission line, need not the tip installation joint at the transmission line, and firm in connection is favorable to in-service use.

To sum up, the utility model discloses make things convenient for the installation and the dismantlement of switch body, made things convenient for the connection of transmission line simultaneously, and actual operation is simple laborsaving, and the practicality is strong.

Drawings

Fig. 1 is a schematic view of an overall structure of a mechanical limit switch structure for a switch box according to the present invention;

fig. 2 is a top partial sectional view of a mounting seat of a mechanical limit switch structure for a switch box according to the present invention;

fig. 3 is a top view of the switch body of the mechanical limit switch structure for the switch box according to the present invention.

In the figure: 1 switch body, 2 installed parts, 3 transmission lines, 4 binding post, 5 mount pads, 6 rectangle inserted bars, 7 connection pieces, 8 rectangular holes, 9 jacks, 10 spacing draw-in grooves, 11 first flexure strips, 12 first spacing blocks, 13 second flexure strips, 14 second spacing blocks, 15 through holes, 16 connecting holes, 17 arc conducting strips, 18 accommodating grooves, 19 first positioning holes, 20 second positioning holes, 21 connecting rods, 22 pressing pieces, 23 third flexure strips, 24 positioning blocks, 25 extrusion blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a mechanical limit switch structure for a switch box comprises a switch body 1 and mounting members 2 fixed on both sides of the switch body 1, one end of the switch body 1 is provided with a transmission line 3, the switch body 1 is fixed with a wiring terminal 4, one side surface of the mounting member 2 is provided with a mounting seat 5, the mounting member 2 is provided with a rectangular insertion rod 6, both sides of the rectangular insertion rod 6 are fixed with connecting pieces 7, the mounting member 2 is provided with a rectangular hole 8, the mounting seat 5 is provided with a jack 9, both sides of the bottom of the jack 9 are provided with limit clamping grooves 10, both sides of the bottom of the rectangular insertion rod 6 are fixed with first elastic pieces 11, one side of the bottom of each first elastic piece 11 is fixed with a first limit block 12, one end of each connecting piece 7 is fixed with a second elastic piece 13, one side of the bottom of each second elastic piece 13 is welded with a second limit block 14, one end of the switch body, and connecting hole 16 has been seted up to the interior roof of through-hole 15, arc conducting strip 17 is installed in the interior bottom surface embedding of through-hole 15, the groove 18 has been seted up to binding post 4's inside, and accomodate the symmetry on two internal wall faces that groove 18 is opposite to have seted up first locating hole 19 and second locating hole 20, the interior roof of accomodating groove 18 runs through there is connecting rod 21, and the top of connecting rod 21 is fixed with preforming 22, the bottom of connecting rod 21 is fixed with extrusion piece 25, and the both sides of connecting rod 21 all are provided with third flexure strip 23, the one end of third flexure strip 23 is fixed with locating piece 24.

Rectangular inserted bar 6 runs through rectangular hole 8, and rectangular inserted bar 6 pegs graft in the inside of jack 9, the lateral surface of second flexure strip 13 is provided with the rubber pad, preforming 22's upper end surface, the lower extreme surface of extrusion piece 25 all is provided with anti-skidding line with the lateral surface of rubber pad, first stopper 12 chucking is in the inside of spacing draw-in groove 10, second stopper 14 contacts with first stopper 12, the one end upside of first stopper 12 is provided with first inclined plane, and the one end downside of first stopper 12 has seted up the second inclined plane, the upper end surface of arc conducting strip 17 is provided with anti-skidding tooth, and arc conducting strip 17 and switch body 1 electric connection.

The working principle is as follows: when in use, the transmission line 3 needs to be mounted on the switch body 1, and the specific operation is as follows: stripping an insulating skin at the end part of the transmission line 3, inserting the inner core into the through hole 15, enabling the inner core to be positioned between the arc-shaped conducting strip 17 and the extrusion block 25, then directly pressing the pressing sheet 22, enabling the connecting rod 21 to push the extrusion block 25 to move downwards under the action of pressure, enabling the third elastic sheet 23 to contract under the action of pressure, enabling the positioning block 24 to slide out from the inside of the first positioning hole 19, enabling the extrusion block 25 to finally tightly extrude the inner core to the top of the arc-shaped conducting strip 17 along with the downward movement of the connecting rod 21, enabling the arc-shaped conducting strip 17 to deform to generate elasticity, then matching with the anti-skidding teeth arranged on the extrusion block, enabling the inner core to be firmly fixed between the arc-shaped conducting strip 17 and the extrusion block 25, at the moment, enabling the positioning block 24 to be tightly clamped in the inside of the second positioning hole 20 under the action of the third elastic sheet 23 to complete the installation of the transmission line, the operation is as follows: the rectangular insertion rod 6 directly penetrates through the rectangular hole 8 to be inserted into the insertion hole 9, and the first limiting block 12 is tightly clamped into the limiting clamping groove 10, so that the switch body 1 is installed, in the process, the bottoms of the two first elastic pieces 11 are firstly drawn close to the middle under the action of the first limiting block 12, so that the first elastic pieces 11 generate elasticity, when the first limiting block 12 moves to one side of the limiting clamping groove 10, the elasticity of the first elastic pieces 11 can push the first limiting block 12 to be clamped into the limiting clamping groove 10, the two second elastic pieces 13 can be firstly inclined outwards under the action of the second limiting block 14 to generate elasticity, when the second limiting block 14 moves to one side of the limiting clamping groove 10, the elasticity of the second elastic pieces 13 can push the second limiting block 14 to be clamped into the limiting clamping groove 10, so that the first limiting block 12 is contacted with each other, and the switch body 1 is installed, the utility model discloses simple structure has made things convenient for switch body 1's installation and dismantlement, has made things convenient for the connection of transmission line 3 simultaneously, and actual operation is simple laborsaving, and the practicality is strong.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A mechanical limit switch structure for a switch box comprises a switch body (1) and mounting pieces (2) fixed on two sides of the switch body (1), and is characterized in that a transmission line (3) is arranged at one end of the switch body (1), a wiring terminal (4) is fixed on the switch body (1), a mounting seat (5) is arranged on one side face of each mounting piece (2), a rectangular insertion rod (6) is arranged on each mounting piece (2), connecting pieces (7) are fixed on two sides of each rectangular insertion rod (6), a rectangular hole (8) is formed in each mounting piece (2), a jack (9) is formed in each mounting seat (5), limit clamping grooves (10) are formed in two sides of the bottom of each jack (9), first elastic pieces (11) are fixed on two sides of the bottom of each rectangular insertion rod (6), and a first limiting block (12) is fixed on one side of the bottom of each first elastic piece (11), a second elastic sheet (13) is fixed at one end of the connecting sheet (7), a second limiting block (14) is welded at one side of the bottom of the second elastic sheet (13), a through hole (15) is formed in one end of the switch body (1), a connecting hole (16) is formed in the inner top wall of the through hole (15), an arc-shaped conductive sheet (17) is embedded into the inner bottom surface of the through hole (15), a containing groove (18) is formed in the connecting terminal (4), first positioning holes (19) and second positioning holes (20) are symmetrically formed in two opposite inner wall surfaces of the containing groove (18), a connecting rod (21) penetrates through the inner top wall of the containing groove (18), a pressing sheet (22) is fixed at the top of the connecting rod (21), an extrusion block (25) is fixed at the bottom of the connecting rod (21), and third elastic sheets (23) are arranged on two sides of the connecting rod (21), one end of the third elastic sheet (23) is fixed with a positioning block (24).

2. The mechanical limit switch structure for the switch box according to claim 1, wherein the rectangular insertion rod (6) penetrates through the rectangular hole (8), and the rectangular insertion rod (6) is inserted into the insertion hole (9).

3. The mechanical limit switch structure for the switch box as claimed in claim 1, wherein the outer side surface of the second elastic sheet (13) is provided with a rubber pad, and the outer surface of the upper end of the pressing sheet (22), the outer surface of the lower end of the extrusion block (25) and the outer side surface of the rubber pad are provided with anti-skid threads.

4. The mechanical limit switch structure for the switch box according to claim 1, wherein the first limit block (12) is clamped inside the limit clamping groove (10), and the second limit block (14) is in contact with the first limit block (12).

5. The mechanical limit switch structure for the switch box according to claim 1, wherein a first inclined surface is arranged on the upper side of one end of the first limit block (12), and a second inclined surface is arranged on the lower side of one end of the first limit block (12).

6. The mechanical limit switch structure for the switch box according to claim 1, wherein the outer surface of the upper end of the arc-shaped conducting plate (17) is provided with anti-slip teeth, and the arc-shaped conducting plate (17) is electrically connected with the switch body (1).