CN110176374B

CN110176374B - Sliding type inching limiting universal switch

Info

Publication number: CN110176374B
Application number: CN201910478310.7A
Authority: CN
Inventors: 陆利强
Original assignee: Nantong Yongzhen Mechanical And Electrical Co ltd
Current assignee: NANTONG YONGZHEN MECHANICAL AND ELECTRICAL Co.,Ltd.
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2021-01-29
Anticipated expiration: 2039-06-03
Also published as: CN110176374A

Abstract

The invention discloses a sliding type micro-motion limit universal switch, which comprises a spring cavity, wherein a spring cavity with an upper end wall communicated with an external space is arranged in a switch box, a supporting plate in sliding connection with the spring cavity is arranged in the spring cavity, a first connecting block is fixedly connected between the lower end surface of the supporting plate and the lower end wall of the spring cavity, a first connecting block is fixedly connected with the upper end surface of the supporting plate, a lifting block is fixedly connected with the upper end surface of the first connecting block, and a power-on lead is arranged in the lifting block; during work, the device is simple in structure and convenient and fast to operate, the circuit on-off control is completed through the compact transmission structure, the illumination range of the lamp can be adjusted and controlled according to actual needs, and the ascending stroke of the illuminating lamp is controlled through the rotary button, so that the illumination range of the illuminating lamp is enlarged, and dangers caused by insufficient illumination under the dark condition are avoided.

Description

Sliding type inching limiting universal switch

Technical Field

The invention relates to the field of circuit on-off, in particular to a sliding type micro-motion limit universal switch.

Background

The spacing universal switch of fine motion is one kind and can makes the electronic component of circuit change on-off state, and the spacing universal switch of tradition slidingtype fine motion often can only control the break-make of circuit and play single effect when using, can't control effectively other electrical apparatus in the circuit for example light etc. can not adjust the illumination scope etc. of lamp through the switch, influences user's use and experiences, and we have proposed higher requirement to the use of switch along with the continuous development of science and technology.

Disclosure of Invention

The present invention is directed to a sliding type inching limit universal switch, which solves the above problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a sliding type micro-motion limit universal switch comprises a switch box, wherein a cavity with an upper end wall communicated with an external space is arranged in the switch box, a supporting plate in sliding connection with the cavity is arranged in the cavity, a compression spring is fixedly connected between the lower end surface of the supporting plate and the lower end wall of the cavity, a first connecting block is fixedly connected with the upper end surface of the supporting plate, a lifting block is fixedly connected with the upper end surface of the first connecting block, a power-on lead is arranged in the lifting block, joints in contact connection with the power-on lead are embedded at the left end and the right end of the lifting block, a fixed block is fixedly connected between the left end wall and the right end wall of the cavity, a lower pressing block in sliding connection with the cavity is arranged on the upper side of the fixed block, the upper end of the lower pressing block penetrates through the upper end wall of the cavity and is located in the external space, and a driving shaft with a lower, a locking groove with end surfaces far away from the driving shaft and communicated with the cavity is symmetrically arranged in the left end surface and the right end surface of the lower pressing block, a first communicating cavity with the right end wall and communicated with the cavity is arranged in the fixed block, the lower end of the driving shaft penetrates through the upper end surface and the lower end surface of the fixed block, the upper end wall and the lower end wall of the first communicating cavity and is connected with the upper end surface of the lifting block and a bearing of the lifting block, the driving shaft in the first communicating cavity is connected with a main driving wheel through a sleeve key, a power-off button is arranged on the upper side of the lower pressing block, the upper end of the driving shaft penetrates through the power-off button and is connected with the power-off button in a sliding fit manner, a lower pressing cavity with the upper end wall communicated with the external space is symmetrically arranged in the left end wall and the right end wall of the cavity, a compression spring is fixedly connected between the end wall of the spring cavity far away from the driving shaft and the locking block, the end wall of the lower pressing cavity close to the lower pressing block is provided with a limiting cavity, the end wall far away from the lower pressing block is communicated with the lower pressing cavity, a second connecting block is slidably connected in the limiting cavity, a limiting spring is fixedly connected between the lower end surface of the second connecting block and the lower end wall of the limiting cavity, the lower end of the power-off button penetrates through the upper end wall of the lower pressing cavity and is positioned in the lower pressing cavity, and one end of the second connecting block far away from the lower pressing block penetrates through the end wall of the limiting cavity far away from the lower pressing block and is fixedly connected with the power-off button, the upper end surface of the locking block is fixedly connected with a matching block, the upper end of the matching block penetrates through the upper end wall of the spring cavity and is positioned in the lower pressing cavity, the upper end face of the driving shaft is fixedly connected with a knob, the right end face of the compression spring is provided with a lighting mechanism, and the left end wall and the right end wall of the cavity are internally and symmetrically provided with an electric connection mechanism.

Preferably, the illuminating mechanism comprises an illuminating mechanism body, the right end face of the switch box is fixedly connected with the illuminating mechanism body, a second communicating cavity is arranged in the illuminating mechanism body, a transmission cavity is arranged in the upper end wall of the second communicating cavity, a pulley cavity is arranged in the lower end wall of the second communicating cavity, a driving shaft is arranged in the second communicating cavity, the upper end of the driving shaft penetrates through the upper end wall of the second communicating cavity and the lower end wall of the transmission cavity and is positioned in the transmission cavity, the lower end of the driving shaft penetrates through the lower end wall of the second communicating cavity and the upper end wall of the pulley cavity and is positioned in the pulley cavity, the driving shaft positioned in the second communicating cavity is fixedly connected with a driven pulley, the driving wheel is connected with the driven pulley through a belt, the upper end of the driving shaft is fixedly connected with a driving bevel gear, and a driving, a driving bevel gear with the lower end engaged with the driving bevel gear is fixedly connected to the driving shaft body, a driven belt wheel fixedly connected with the driving shaft is arranged on the front side of the driving bevel gear, a transmission shaft positioned on the right side of the driving shaft is connected between the front end wall and the rear end wall of the transmission cavity in a rotating fit manner, a driving belt wheel connected with a belt of the driven belt wheel is fixedly connected to the shaft body of the transmission shaft, a transmission gear positioned on the rear side of the driving belt wheel is fixedly connected to the shaft body of the transmission shaft, a chute with the lower end wall communicated with the transmission cavity and the upper end wall communicated with the external space is arranged in the upper end wall of the transmission cavity, a baffle plate with the left end fixedly connected with the right end face of the compression spring is arranged on the upper side of the lighting mechanism main body, a lighting cavity positioned on the right, the upper end of the transmission gear penetrates through the upper end wall of the transmission cavity and is meshed and connected with the transmission gear, a square threaded block is connected in the illumination cavity in a sliding manner, a lamp shade is fixedly connected to the upper end face of the square threaded block, an illuminating lamp is fixedly connected to the upper end face of the lamp shade, a threaded groove with a lower end wall communicated with the illumination cavity is arranged in the square threaded block, a threaded shaft with a lower end penetrating through the lower end wall of the threaded groove, the lower end wall of the illumination cavity and the upper end wall of the belt wheel cavity and located in the belt wheel cavity is connected in a threaded fit manner in the threaded groove, a transmission belt wheel is fixedly connected to the lower end of the threaded shaft, a driving belt wheel connected with a belt of the transmission belt wheel is fixedly connected to the lower end of the driving shaft, an isolation cavity with a left end wall communicated with the illumination cavity, the upper end wall communicated with the sliding groove and a, the inner sliding connection has a connecting rod, the connecting rod right end up end fixedly connected with upper end runs through the upper end wall and keeps apart the chamber lower extreme wall and is located the driving pulley who keeps apart the intracavity, the connecting rod left end up end fixedly connected with upper end runs through upper end wall and cavity lower extreme wall and with backup pad fixed connection's holding down lever, driving pulley upper end fixedly connected with division board.

Preferably, the power connection mechanism comprises a conductive cavity, the left end wall and the right end wall of the cavity are symmetrically provided with a conductive cavity, the conductive cavity is close to the end wall communicating cavity of the lifting block, the switch box is internally provided with a sliding cavity positioned at the upper side of the conductive cavity, a communicating groove communicating the sliding cavity with the conductive cavity is arranged between the sliding cavity and the conductive cavity, the sliding cavity is internally and slidably connected with a sliding block, a reset spring is fixedly connected between the sliding block and the end wall of the sliding cavity far away from the lifting block, one end of the conductive cavity close to the lifting block penetrates through the end wall of the conductive cavity close to the lifting block and is positioned in the cavity, the upper end of the power connection block is fixedly connected with a third connecting block, the upper end of the power connection block penetrates through the upper end wall and the lower end wall of the communicating groove and is fixedly connected with the sliding block, the conductive block is fixedly connected in the conductive cavity, the end face, far away from the lifting block, of the conductive block is fixedly connected with a conducting wire.

Compared with the prior art, the invention has the beneficial effects that: during the operation of the invention, the knob is manually pressed down to drive the driving shaft to move downwards so as to drive the lower pressing block to descend, so that the locking block enters the locking groove under the elastic force of the pressing spring, simultaneously, the lifting block, the first connecting block and the supporting plate are driven to descend along with the descending of the driving shaft, the compression spring is compressed, the connector is driven to descend along with the descending of the lifting block, so that the electrifying block is driven to move towards the direction far away from the lifting block, so that the electrifying block is in contact communication with the conductive block, the return spring is compressed, meanwhile, the supporting plate descends through the transmission of the connecting rod, the isolating plate descends, the illuminating lamp is lightened through the communication of the electrifying block and the conductive block, so as to illuminate the area within the lamp range, at the moment, the knob is rotated, the rotation of the driving shaft is transmitted to the driven belt wheel through the cooperation of the flat key sleeve between, the transmission gear is driven to move leftwards through the transmission of the gear train and the shaft, so that the lighting cavity is communicated with the external space through the chute, meanwhile, the rotation of the driving shaft drives the rotation of the lower driving belt wheel, the rotation of the driving belt wheel is driven through the transmission of the belt, so that the square thread block is driven to move upwards, the lighting lamp is lifted to enter the external space, so that the area in a larger range is illuminated, when the lamp needs to be turned off, the power-off button is pressed, the matching block is driven to move away from the lock groove in the direction away from the lower pressing block through the transmission of the power-off button and the matching block, so that the compression spring is compressed, the support plate, the first connecting block and the lifting block return to the original position under the action of the compression spring, so that the power-on block returns to the original position under the action of the reset spring, the power, this device simple structure, the simple operation has accomplished the control to the circuit break-make through compact transmission structure, can adjust and control the irradiation range of lamp according to actual need, controls the upstroke of light through the rotary button to increase the illumination zone of light, avoid taking place danger inadequately because of the illumination under the dark condition.

Drawings

FIG. 1 is a schematic overall full-section front view structure diagram of a sliding type inching limit universal switch of the invention;

FIG. 2 is an enlarged view of the structure of FIG. 1 at A;

FIG. 3 is a left side view of the drive gear of FIG. 2;

FIG. 4 is an enlarged view of the structure shown at B in FIG. 1 according to the present invention;

fig. 5 is an enlarged view of the structure of fig. 1 at C in the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention is shown: a controllable rotary switch comprises a switch box 100, a cavity 102 with an upper end wall communicated with an external space is arranged in the switch box 100, a supporting plate 103 connected with the cavity 102 in a sliding manner is arranged in the cavity 102, a compression spring 101 is fixedly connected between the lower end face of the supporting plate 103 and the lower end wall of the cavity 102, a first connecting block 104 is fixedly connected with the upper end face of the supporting plate 103, an elevating block 105 is fixedly connected with the upper end face of the first connecting block 104, an electrifying lead 106 is arranged in the elevating block 105, a connector 107 connected with the electrifying lead 106 in a contact manner is embedded at the left end and the right end of the elevating block 105, a fixed block 114 is fixedly connected between the left end wall and the right end wall of the cavity 102, a lower pressing block 120 connected with the cavity 102 in a sliding manner is arranged on the upper side of the fixed block 114, the upper end of the lower pressing block 120 penetrates through the, the upper side of the lower pressing block 120 is provided with a driving shaft 110, the lower end of the driving shaft penetrates through the lower pressing block 120 and is fixedly connected with the lower pressing block 120, the left end face and the right end face of the lower pressing block 120 are symmetrically provided with a locking groove 186, the end face far away from the driving shaft 110 is communicated with the cavity 102, the fixed block 114 is internally provided with a first communicating cavity 113, the right end wall of the first communicating cavity 113 is communicated with the cavity 102, the lower end of the driving shaft 110 penetrates through the upper end face and the lower end wall of the fixed block 114, the upper end wall and the lower end wall of the first communicating cavity 113 are connected with the upper end face of the lifting block 105 and are connected with a bearing of the lifting block 105, the driving shaft 110 positioned in the first communicating cavity 113 is connected with a main driving wheel 112 through a sleeve 111 key, the upper side of the lower pressing block 120 is provided with a power-off button 121, the upper, a spring cavity 117 with an upper end wall communicated with the lower pressing cavity 181 and an end wall close to the driving shaft 110 communicated with the cavity 102 is arranged in the lower end wall of the lower pressing cavity 181, a locking block 115 is connected in the spring cavity 117 in a sliding manner, a pressing spring 116 is fixedly connected between the end wall of the spring cavity 117 far away from the driving shaft 110 and the locking block 115, a limiting cavity 187 far away from the end wall of the lower pressing cavity 120 is arranged in the end wall of the lower pressing cavity 181 close to the lower pressing block 120 and communicated with the lower pressing cavity 181, a second connecting block 183 is connected in the limiting cavity 187 in a sliding manner, a limiting spring 185 is fixedly connected between the lower end surface of the second connecting block 183 and the lower end wall of the limiting cavity 187, the lower end of the power-off button 121 penetrates through the upper end wall of the lower pressing cavity 181 and is located in the lower pressing cavity 181, and one end of the second connecting block 183 far away from the lower pressing block 120 penetrates through the limiting cavity, the upper end face of the locking block 115 is fixedly connected with a matching block 180, the upper end of the matching block penetrates through the upper end wall of the spring cavity 117 and is located in the lower pressing cavity 181, the upper end face of the driving shaft 110 is fixedly connected with a knob 122, the right end face of the compression spring 101 is provided with an illuminating mechanism 108, and the left end wall and the right end wall of the cavity 102 are internally and symmetrically provided with an electric connection mechanism 108.

Advantageously, the lighting mechanism 108 includes a lighting mechanism body 127, a lighting mechanism body 127 is fixedly connected to the right end face of the switch box 100, a second communicating chamber 109 is provided in the lighting mechanism body 127, a transmission chamber 153 is provided in an upper end wall of the second communicating chamber 109, a pulley chamber 145 is provided in a lower end wall of the second communicating chamber 109, a driving shaft 152 is provided in the second communicating chamber 109, an upper end of the driving shaft 152 penetrates through an upper end wall of the second communicating chamber 109 and a lower end wall of the transmission chamber 153 and is located in the transmission chamber 153, a lower end of the driving shaft 152 penetrates through a lower end wall of the second communicating chamber 109 and an upper end wall of the pulley chamber 145 and is located in the pulley chamber 145, a driven pulley 151 is fixedly connected to the driving shaft 152 in the second communicating chamber 109, the driving pulley 112 is connected to the driven pulley 151 through a belt, a driving bevel gear 154 is fixedly connected to an upper end of the, a driving shaft 162 is connected between the front end wall and the rear end wall of the transmission cavity 153 in a rotating fit manner, a driving bevel gear 163 with the lower end engaged with the driving bevel gear 154 is fixedly connected to the shaft body of the driving shaft 162, a driven pulley 161 fixedly connected with the driving shaft 162 is arranged on the front side of the driving bevel gear 163, a transmission shaft 164 positioned on the right side of the driving shaft 162 is connected between the front end wall and the rear end wall of the transmission cavity 153 in a rotating fit manner, a driving pulley 157 belt-connected with the driven pulley 161 is fixedly connected to the shaft body of the transmission shaft 164, a transmission gear 156 positioned on the rear side of the driving pulley 157 is fixedly connected to the shaft body of the transmission shaft 164, a sliding chute 155 with the lower end wall communicated with the transmission cavity 153 and the upper end wall communicated with the external space is arranged in the upper end wall of the transmission cavity 153, the lighting mechanism main body 127 is provided with a lighting cavity 142 which is positioned at the right side of the transmission cavity 153 and communicated with the sliding groove 155, the sliding groove 155 is connected with a transmission gear 125 in a sliding way, the upper end of the transmission gear 156 penetrates through the upper end wall of the transmission cavity 153 and is engaged with the transmission gear 125, the lighting cavity 142 is connected with a square thread block 140 in a sliding way, the upper end surface of the square thread block 140 is fixedly connected with a lampshade 135, the upper end surface of the lampshade 135 is fixedly connected with a lighting lamp 136, the square thread block 140 is provided with a thread groove 137 of which the lower end wall is communicated with the lighting cavity 142, the thread groove 137 is internally and spirally connected with a thread shaft 141 of which the lower end penetrates through the thread groove 137, the lower end wall of the lighting cavity 142 and the upper end wall of the belt wheel cavity 145 and is positioned in the belt wheel cavity 145, the lower end of the thread shaft 141 is fixedly connected with a transmission belt wheel 144, the utility model discloses a lighting device, including illumination chamber 142, pulley chamber 145, connecting rod 130, pulley chamber 145, pulley chamber 102, last end wall intercommunication spout 155 and right end wall intercommunication external space's isolation chamber 143, be provided with a left end wall in the right end wall of illumination chamber 142 and run through compression spring 101 right-hand member terminal surface and be located the switch box 131, sliding connection has a connecting rod 130 in 131, a connecting rod 130 right-hand member up end fixedly connected with upper end runs through 131 last end wall and isolation chamber 143 lower extreme wall and is located the transmission pulley 146 of isolation chamber 143, a connecting rod 130 left end up end fixedly connected with upper end runs through 131 upper end wall and cavity 102 lower extreme wall and with backup pad 103 fixed connection's lower depression bar 158, transmission pulley 146.

Advantageously, the power connection mechanism 118 includes a conductive cavity 178, a conductive cavity 178 is symmetrically disposed in the left and right end walls of the cavity 102, the conductive cavity 178 is close to the end wall of the lifting block 105 and communicates with the cavity 102, a sliding cavity 174 disposed on the upper side of the conductive cavity 178 is disposed in the switch box 100, a communication groove 172 communicating the sliding cavity 174 with the conductive cavity 178 is disposed between the sliding cavity 174 and the conductive cavity 178, a sliding block 175 is slidably connected in the sliding cavity 174, a return spring 173 is fixedly connected between the sliding block 175 and the end wall of the sliding cavity 174 far from the lifting block 105, a power connection block 177, which is close to the end wall of the lifting block 105 and close to the lifting block 105 and is disposed in the cavity 102, is slidably connected in the conductive cavity 178, and a third connection block 176, which has an upper end passing through the upper and lower end walls of the communication groove 172 and is fixedly connected with the sliding block 175, is fixedly connected to, a conductive block 170 is fixedly connected in the conductive cavity 178, the conductive block 170 is located on one side of the power-on block 177 far away from the lifting block 105, and a lead 171 is fixedly connected to the end face of the conductive block 170 far away from the lifting block 105.

The specific use mode is as follows: during the operation of the present invention, the knob 122 is manually pressed to drive the driving shaft 110 to move downwards, so as to drive the lower pressing block 120 to descend, so as to enable the locking block 115 to enter the locking groove 186 under the action of the elastic force of the pressing spring 116, and simultaneously, the lifting block 105, the first connecting block 104 and the supporting plate 103 are driven to descend along with the descending of the driving shaft 110, the compression spring 101 is compressed, the connector 107 is driven to descend along with the descending of the lifting block 105, so as to drive the energizing block 177 to move towards the direction far away from the lifting block 105, so as to enable the energizing block 177 to be in contact communication with the conductive block 170, the return spring 173 is compressed, simultaneously, the descending of the supporting plate 103 drives the descending of the isolation plate 126 through the transmission of the connecting rod, the illuminating lamp 136 is lightened through the communication between the energizing block 177 and the conductive block 170, so as to illuminate the area within the lamp range, at this time, the knob 122, the rotation of the driving shaft 110 is transmitted to the driven pulley 151 through a belt, thereby driving the driving shaft 152 to rotate, driving the transmission gear 125 to move leftwards through the transmission of a gear train and a shaft, thereby enabling the lighting cavity 142 to communicate with the external space through the chute 155, simultaneously the rotation of the driving shaft 152 drives the rotation of the lower driving pulley 147, driving the rotation of the transmission pulley 144 through the transmission of the belt, thereby driving the square thread block 140 to move upwards, thereby enabling the lighting lamp 136 to ascend into the external space, thereby illuminating the area in a wider range, when the lighting lamp needs to be turned off, the power-off button 121 is pressed, the matching block 180 is driven to move away from the locking groove 186 in the direction far away from the lower pressing block 120 through the transmission of the power-off button 121 and the matching block 180, thereby compressing and compressing the compression spring 116, thereby the support plate 103, the first connecting block 104 and the lifting block 105 return to the original position under the action of the compression spring 101, realize the outage, drive division board 126 through the connecting rod simultaneously and get back to the normal position, the knob 122 is returned in the opposite direction rotation, and the lamp is also withdrawed, and this device simple structure, the simple operation has accomplished the control to the circuit break-make through compact transmission structure, can adjust the irradiation range of accuse lamp according to actual need, controls the upstroke of light through the rotary button to increase the illumination range of light, avoid taking place danger inadequately because of the illumination under the dark condition.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a spacing universal switch of slidingtype fine motion, includes the switch box, its characterized in that: the switch box is internally provided with a cavity with an upper end wall communicated with the external space, the cavity is internally provided with a supporting plate which is in sliding connection with the cavity, a compression spring is fixedly connected between the lower end surface of the supporting plate and the lower end wall of the cavity, the upper end surface of the supporting plate is fixedly connected with a first connecting block, the upper end surface of the first connecting block is fixedly connected with a lifting block, a power-on lead is arranged in the lifting block, the left end and the right end of the lifting block are embedded with a connector which is in contact connection with the power-on lead, a fixed block is fixedly connected between the left end wall and the right end wall of the cavity, the upper side of the fixed block is provided with a lower pressing block which is in sliding connection with the cavity, the upper end of the lower pressing block penetrates through the upper end wall of the cavity and is positioned in the external space, the upper side of the lower pressing block is provided with a driving shaft with a lower pressing block and is, the fixed block is internally provided with a first communicating cavity with a right end wall communicated with the cavity, the lower end of the driving shaft penetrates through the upper end face and the lower end face of the fixed block, the upper end wall and the lower end wall of the first communicating cavity are connected with the upper end face of the lifting block and are connected with a bearing of the lifting block, the driving shaft positioned in the first communicating cavity is connected with a main driving wheel through a sleeve key, the upper side of the lower pressing block is provided with a power-off button, the upper end of the driving shaft penetrates through the power-off button and is connected with the power-off button in a sliding fit manner, the left end wall and the right end wall of the cavity are symmetrically provided with a lower pressing cavity with upper end walls communicated with the lower pressing cavity and a spring cavity close to the end wall of the driving shaft and communicated with the cavity, a locking block is connected in a sliding manner in the spring cavity, the end wall that is provided with one in the end wall of briquetting down and keeps away from down the briquetting communicates the spacing chamber in chamber down, sliding connection has the second connecting block in the spacing chamber, terminal surface under the second connecting block with a spacing spring of fixedly connected with between the terminal wall under the spacing chamber, outage button lower extreme runs through down the chamber upper end wall and is located and pushes down the intracavity, just the one end that the briquetting was kept away from down to the second connecting block runs through the spacing chamber and keeps away from down the end wall of briquetting and with outage button fixed connection, a locking piece up end fixedly connected with upper end runs through the cooperation piece that spring chamber upper end wall just is located the chamber down, drive shaft up end fixedly connected with one's knob, compression spring right-hand member face is provided with an illuminating mechanism, the symmetry is provided with one about the cavity and connects electric mechanism in the end wall.

2. A sliding microswitch limit utility switch according to claim 1 wherein: the lighting mechanism comprises a lighting mechanism body, the right end face of the switch box is fixedly connected with the lighting mechanism body, a second communicating cavity is arranged in the lighting mechanism body, a transmission cavity is arranged in the upper end wall of the second communicating cavity, a belt wheel cavity is arranged in the lower end wall of the second communicating cavity, a driving shaft is arranged in the second communicating cavity, the upper end of the driving shaft penetrates through the upper end wall of the second communicating cavity and the lower end wall of the transmission cavity and is positioned in the transmission cavity, the lower end of the driving shaft penetrates through the lower end wall of the second communicating cavity and the upper end wall of the belt wheel cavity and is positioned in the belt wheel cavity, the driving shaft positioned in the second communicating cavity is fixedly connected with a driven belt wheel, the driving wheel is connected with the driven belt wheel through a belt, a driving bevel gear is fixedly connected to the upper end of the driving shaft, a driving bevel gear is connected between the front end wall and the rear end wall, a driven belt wheel fixedly connected with the driving shaft is arranged on the front side of the driving bevel gear, a transmission shaft positioned on the right side of the driving shaft is connected between the front end wall and the rear end wall of the transmission cavity in a rotating fit manner, a driving belt wheel connected with a belt of the driven belt wheel is fixedly connected to the shaft body of the transmission shaft, a transmission gear positioned on the rear side of the driving belt wheel is fixedly connected to the shaft body of the transmission shaft, a chute with a lower end wall communicated with the transmission cavity and an upper end wall communicated with the external space is arranged in the upper end wall of the transmission cavity, a baffle plate with a left end fixedly connected with the right end face of the compression spring is arranged on the upper side of the lighting mechanism body, a lighting cavity positioned on the right side of the transmission cavity and communicated with the chute is arranged in the lighting mechanism body, a transmission, a square threaded block is connected in the lighting cavity in a sliding manner, a lampshade is fixedly connected on the upper end face of the square threaded block, a lighting lamp is fixedly connected on the upper end face of the lampshade, a threaded groove with a lower end wall communicated with the lighting cavity is arranged in the square threaded block, a threaded shaft with a lower end penetrating through the lower end wall of the threaded groove, the lower end wall of the lighting cavity and the upper end wall of the belt wheel cavity and positioned in the belt wheel cavity is connected in a spiral fit manner in the threaded groove, a driving belt wheel is fixedly connected at the lower end of the threaded shaft, a driving belt wheel connected with a belt of the driving belt wheel is fixedly connected at the lower end of the driving shaft, an isolation cavity with a left end wall communicated with the lighting cavity, an upper end wall communicated with the sliding groove and a right end wall communicated with the external space is arranged in the right end wall of the belt wheel cavity, the upper end face of the right end of the connecting rod is fixedly connected with a transmission belt pulley, the upper end of the transmission belt pulley penetrates through the upper end wall and the lower end wall of the isolation cavity and is located in the isolation cavity, the upper end face of the left end of the connecting rod is fixedly connected with a lower pressing rod, the upper end of the lower pressing rod penetrates through the upper end wall and the lower end wall of the cavity and is fixedly connected with the supporting plate, and the upper end of the transmission belt pulley is fixedly connected with an isolation.

3. A sliding microswitch limit utility switch according to claim 1 wherein: the power connection mechanism comprises a conductive cavity, the left end wall and the right end wall of the cavity are symmetrically provided with a conductive cavity, the conductive cavity is close to the end wall of the lifting block to be communicated with the cavity, the switch box is internally provided with a sliding cavity positioned at the upper side of the conductive cavity, a communication groove communicated with the sliding cavity and the conductive cavity is arranged between the sliding cavity and the conductive cavity, the sliding cavity is internally and slidably connected with a sliding block, a reset spring is fixedly connected between the sliding block and the end wall of the sliding cavity far away from the lifting block, one end of the conductive cavity close to the lifting block penetrates through the end wall of the conductive cavity close to the lifting block and is positioned in the cavity, the upper end of the power connection block is fixedly connected with a third connecting block, the upper end of the power connection block penetrates through the upper end wall and the lower end wall of the communication groove and is fixedly connected with the sliding block, the conductive block is, the end face, far away from the lifting block, of the conductive block is fixedly connected with a conducting wire.