CN112317116A - Protection switch mechanism and branch crusher with same - Google Patents
Protection switch mechanism and branch crusher with same Download PDFInfo
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- CN112317116A CN112317116A CN202011259110.1A CN202011259110A CN112317116A CN 112317116 A CN112317116 A CN 112317116A CN 202011259110 A CN202011259110 A CN 202011259110A CN 112317116 A CN112317116 A CN 112317116A
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- shell
- protection switch
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- sliding
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 9
- 230000037431 insertion Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
- 230000001737 promoting effect Effects 0.000 claims 1
- 230000001960 triggered effect Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C25/00—Control arrangements specially adapted for crushing or disintegrating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
- B02C21/02—Transportable disintegrating plant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/04—Safety devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C2018/168—User safety devices or measures in shredders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
- B02C21/02—Transportable disintegrating plant
- B02C2021/023—Transportable disintegrating plant for disintegrating material on the surface of the ground
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses a protection switch mechanism and a branch crusher with the same, wherein the protection switch mechanism comprises a shell, at least one microswitch is arranged on one side in the shell, a sliding cavity is arranged in the shell on one side of the microswitch, a sliding block is connected in the sliding cavity in a sliding manner, a channel is arranged in a shell at the position of one end of the sliding cavity, and a reset structure is arranged between the sliding block and the shell; the branch grinder comprises a rack, a base, a cover and a protection switch mechanism, wherein the front side of the cover is rotatably connected with the front side of the base, a shell in the protection switch mechanism is fixed inside the rear side of the base, a hand-screwed bolt is movably arranged on the rear side of the cover in a penetrating manner, a locking block is embedded in the shell at the position of a channel, a threaded hole is formed in the locking block, and a screw rod part of the hand-screwed bolt is arranged in the threaded hole in a penetrating manner and is in threaded connection with the threaded hole; the invention can avoid the phenomenon that the cutter head hurts people due to the mistaken opening of the cover, and eliminates the potential safety hazard.
Description
Technical Field
The invention relates to the technical field of garden equipment, in particular to a protection switch mechanism and a branch crusher with the same.
Background
The branch grinder is used for grinding garden equipment of branches, the present branch grinder mainly comprises a frame, a machine base and a machine cover, the machine base is fixed on the frame, the front side of the machine cover is rotatably connected with the front side of the machine base, a feed inlet is arranged on the machine cover, a discharge outlet is arranged at the bottom of the machine base, a motor is fixed in the machine base, a cutter head is installed at the output end of the motor and positioned between the feed inlet and the discharge outlet, a control switch is fixed on the outer wall of the machine base, when the branch grinder works, the cutter head is driven by the motor to rotate, when branches are thrown in from the feed inlet, the cutter head can grind the branches, and the ground branches are discharged from the; but above-mentioned branch rubbing crusher is because not possessing the electrical protection mechanism, so, when the user is in operating condition and rotates the cover to open at the motor, the phenomenon of hindering the people appears easily by motor drive pivoted blade disc to there is very big potential safety hazard.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a protection switch mechanism and a branch crusher with the same.
The invention discloses a protection switch mechanism, which comprises a shell, wherein at least one microswitch is arranged on one side in the shell, a sliding cavity is arranged in the shell positioned on one side of the microswitch, a sliding block used for triggering a contact of the microswitch is connected in the sliding cavity in a sliding mode, a channel used for a rod-like object to pass through is arranged in a shell positioned at one end of the sliding cavity, the rod-like object is used for pushing the sliding block to enable the sliding block to trigger the microswitch, and a reset structure used for driving the sliding block to move and reset to enable the sliding block to release the trigger state of the microswitch is arranged between the sliding block and the shell.
The invention discloses a protection switch mechanism, wherein an inclined plane is arranged at the corner of one side of a sliding block facing a microswitch, the inclined plane is used for being matched and guided with a contact of the microswitch, and the inclined plane is positioned at one side of a reset structure; through the setting on inclined plane, when the slider slided towards reset structure one side, the inclined plane can cooperate the direction with the contact on the micro-gap switch in advance, and when the slider continued to remove towards reset structure's one side, the contact on the micro-gap switch can be slided on the inclined plane, and at this moment, the contact on the micro-gap switch can be triggered to the slider to make micro-gap switch on.
The invention discloses a protection switch mechanism, wherein a reset structure comprises a spring, the spring is embedded between a sliding block and a shell, and one side of the sliding block, which faces the spring, is provided with a slot for inserting a spring part; by adopting the reset structure, when the slide block loses the pushing force of the rod-like object, the spring can push the slide block to move and reset towards one side far away from the spring, and after the slide block moves and resets, the trigger on the microswitch can be released; through the setting of slot, can realize spacing and the location to the spring, can avoid the spring to break away from the slider promptly.
The protection switch mechanism comprises a shell, a first microswitch and a second microswitch, wherein the shell is internally provided with the two microswitches which are overlapped and connected in series; through two micro-gap switch's setting, and two micro-gap switch series connection, so, just can switch on the circuit when two micro-gap switch are triggered simultaneously to can improve the security, can avoid the appearance of the phenomenon of mistake switch on circuit promptly.
The invention discloses a protection switch mechanism, wherein a plurality of lugs are arranged on the outer wall of a shell, and a countersunk hole is formed in each lug; through the arrangement of the lugs and the counter bores, the protection switch mechanism can be conveniently and reliably fixed in the branch pulverizer through bolts penetrating through the counter bores.
The invention discloses a protection switch mechanism, wherein a shell comprises an upper shell and a lower shell, a plurality of clamping hooks are arranged on the upper shell, clamping holes which are respectively arranged corresponding to one of the clamping hooks are arranged on the lower shell, and after the upper shell is covered on the lower shell, each clamping hook is matched and clamped with the clamping hole at the corresponding position; a positioning pin inserted into a positioning hole of the microswitch is arranged on the inner bottom of the lower shell; by adopting the structure, the upper shell and the lower shell can be conveniently assembled together; in addition, through the setting of locating pin, the locating pin can insert in the locating hole in micro-gap switch, so, can realize reliable location and spacing to micro-gap switch.
A branch crusher comprises a frame, a base and a cover, wherein the base is fixed on the frame, the front side of the cover is rotatably connected with the front side of the base, a feed inlet is formed in the cover, a discharge outlet is formed in the bottom of the base, a motor is fixed in the base, a cutter disc is installed at the output end of the motor and is positioned between the feed inlet and the discharge outlet, a control switch is fixed on the outer wall of the base, the branch crusher also comprises the protection switch mechanism, a shell in the protection switch mechanism is fixed in the rear side of the base, a hand-screwing bolt is movably arranged on the rear side of the cover in a penetrating mode, a locking block is embedded in the shell at the position of a channel, a threaded hole is formed in the locking block, and a screw rod part of the hand-screwing bolt is arranged in; the motor is connected with a microswitch in the protection switch mechanism in series and then is connected with the control switch in series; by adopting the structure, when the cover and the base are fixed, the screw part in the hand-screwed bolt can be in threaded connection with the locking block in the protection switch mechanism, and after the screw part in the hand-screwed bolt is in threaded connection with the locking block, the cover and the base can be fastened, meanwhile, the screw part in the hand-screwed bolt can push the slider to move towards one side of the spring, and the slider can trigger the microswitch to switch on after moving, in other words, when the cover and the base are not completely fastened through the hand-screwed bolt, the microswitch cannot be triggered, so that the circuit of the branch grinder cannot be switched on, namely, the motor cannot drive the cutter head to rotate, thereby avoiding the phenomenon of false start of the branch grinder and improving the safety; in addition, the slider is adopted to trigger the microswitch, so that the slider has a stroke capable of moving towards one side of the spring after the slider triggers the microswitch, and compared with a mode of directly pushing the contact of the microswitch by using a hand-screwed bolt to trigger the microswitch, the phenomenon that the microswitch is damaged by the hand-screwed bolt due to the dimensional tolerance of parts can be prevented; in addition, if the microswitch is triggered by directly pushing the contact of the microswitch by using the hand-screwed bolt, the phenomenon that the microswitch cannot be triggered can occur when the stroke of the hand-screwed bolt is shortened due to assembly or accumulated tolerance, namely, the motor cannot work, and the microswitch is triggered by using the sliding block.
A branch crusher is characterized in that a material receiving box is connected in a rack in a sliding mode and located below a base, a sliding seat is connected to the side wall of the material receiving box in a vertical sliding mode, a push-pull handle is fixed to the sliding seat, a U-shaped conductive contact pin is fixed to the upper end of the sliding seat, a conductive socket is fixed to the bottom of the base, the material receiving box is installed in the rack and slides upwards on the sliding seat, two ends of the conductive contact pin are used for being matched and connected with the conductive socket in an inserting mode, and the conductive socket is connected with a motor and a microswitch in a protection switch mechanism in series; after adopting this kind of structure, only in connecing the workbin to assemble the frame completely, and shift up at the sliding seat and make electrically conductive contact pin and electrically conductive socket insert and close the back just can make electrically conductive socket switch on, in other words, when connecing the workbin not assembling the frame completely, electrically conductive contact pin can't insert with electrically conductive socket and close, so, branch rubbing crusher's circuit can't be put through, connect the workbin when not installing promptly, motor among the branch rubbing crusher can't drive the blade disc and rotate, can avoid the user mistake to stretch into and contact rotatory cutter head from the discharge gate with the hand promptly, thereby can improve branch rubbing crusher's security.
A branch crusher is characterized in that a sliding seat is positioned on the inner side of a material receiving box, a push-pull handle is positioned on the outer side of the material receiving box, a stud is arranged on one side, facing the sliding seat, of the push-pull handle, the push-pull handle and the sliding seat are fixed through screws penetrating through the sliding seat and the stud, and an elongated hole for the stud to vertically slide is formed in the side wall of the material receiving box; after adopting this kind of structure, because the push-and-pull handle is arranged in the workbin that connects outward to can bring the convenience for operating the push-and-pull handle, can bring the convenience for reciprocating of sliding seat and electrically conductive contact pin promptly.
A branch crusher is provided, wherein, two sides of a material receiving box along the sliding direction are provided with slide rails, two slide rails are respectively fixed with a frame on the corresponding side, each slide rail extends towards the sliding direction of the material receiving box, and the outer edge of the upper end of the material receiving box is connected with the slide rails in a sliding way; by adopting the structure, when the material receiving box is assembled with the rack, the material receiving box can be reliably connected with the rack in a sliding way.
After the branch grinder adopts the protection switch mechanism, when the cover is to be opened, the protection switch mechanism can automatically cut off the power supply of the motor, namely, the cutter head can stop rotating, so that the phenomenon that the cutter head hurts people due to the fact that the cover is opened by mistake can be avoided, and potential safety hazards are eliminated.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic perspective view of a protection switch mechanism;
FIG. 2 is a schematic perspective view of a protection switch mechanism;
FIG. 3 is a schematic diagram of a partially exploded view of the protective switch mechanism;
FIG. 4 is a schematic diagram of a partially exploded view of the protective switch mechanism;
FIG. 5 is a schematic perspective view of the branch grinder;
FIG. 6 is a schematic perspective view of the branch grinder with the cover removed;
FIG. 7 is a schematic perspective view of the branch grinder with the cover and a portion of the base removed;
FIG. 8 is a schematic perspective view of the branch grinder with the material receiving box removed;
FIG. 9 is a schematic perspective view of the material receiving box;
FIG. 10 is a schematic perspective view of the material receiving box;
FIG. 11 is a schematic view of a partially exploded structure of the receiving box;
fig. 12 is a schematic view of a partially exploded structure of the receiving box.
Detailed Description
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1 to 4, the protection switch mechanism of the present invention includes a housing, at least one micro switch 1 is installed on one side inside the housing, a sliding cavity 21 is provided in the housing on one side of the micro switch 1, a sliding block 3 for triggering a contact of the micro switch 1 is slidably connected in the sliding cavity 21, a channel 22 for a rod-like object to pass through is provided in the housing at the position of one end of the sliding cavity 21, the rod-like object is used for pushing the sliding block 3 so that the sliding block 3 triggers the micro switch 1, and a reset structure for driving the sliding block 3 to move and reset so that the sliding block 3 releases the triggering state of the micro switch 1 is provided between the sliding block 3 and the housing.
An inclined plane 31 is arranged at the corner of one side of the sliding block 3 facing the micro switch 1, the inclined plane 31 is used for being matched and guided with a contact of the micro switch 1, and the inclined plane 31 is positioned at one side of the reset structure; through the setting on inclined plane, when the slider slided towards reset structure one side, the inclined plane can cooperate the direction with the contact on the micro-gap switch in advance, and when the slider continued to remove towards reset structure's one side, the contact on the micro-gap switch can be slided on the inclined plane, and at this moment, the contact on the micro-gap switch can be triggered to the slider to make micro-gap switch on.
The reset structure comprises a spring 4, the spring 4 is embedded between the sliding block 3 and the shell, and one side of the sliding block 3 facing the spring 4 is provided with a slot 32 for the spring 4 to be partially inserted; by adopting the reset structure, when the slide block loses the pushing force of the rod-like object, the spring can push the slide block to move and reset towards one side far away from the spring, and after the slide block moves and resets, the trigger on the microswitch can be released; through the setting of slot, can realize spacing and the location to the spring, can avoid the spring to break away from the slider promptly.
Two micro switches 1 are arranged in the shell, the two micro switches 1 are stacked, and the two micro switches 1 are connected in series; through two micro-gap switch's setting, and two micro-gap switch series connection, so, just can switch on the circuit when two micro-gap switch are triggered simultaneously to can improve the security, can avoid the appearance of the phenomenon of mistake switch on circuit promptly.
A plurality of lugs 23 are arranged on the outer wall of the shell, and a countersunk hole 231 is formed in each lug 23; through the arrangement of the lugs and the counter bores, the protection switch mechanism can be conveniently and reliably fixed in the branch pulverizer through bolts penetrating through the counter bores.
The shell comprises an upper shell 24 and a lower shell 25, wherein a plurality of clamping hooks 241 are arranged on the upper shell 24, clamping holes 251 which are respectively arranged corresponding to one clamping hook 241 are arranged on the lower shell 25, and after the upper shell 24 is covered on the lower shell 25, each clamping hook 241 is matched and clamped with the clamping hole 251 on the corresponding position; a positioning pin 252 for inserting into the positioning hole 11 of the microswitch 1 is provided on the inner bottom of the lower case 25; by adopting the structure, the upper shell and the lower shell can be conveniently assembled together; in addition, through the setting of locating pin, the locating pin can insert in the locating hole in micro-gap switch, so, can realize reliable location and spacing to micro-gap switch.
As shown in fig. 1-12, a branch grinder, includes a frame 5, the branch grinder comprises a base 6 and a cover 7, wherein the base 6 is fixed on a frame 5, the front side of the cover 7 is rotatably connected with the front side of the base 6, a feed port 71 is arranged on the cover 7, a discharge port 61 is arranged at the bottom of the base 6, a motor 8 is fixed in the base 6, a cutter disc 81 is installed at the output end of the motor 8, the cutter disc 81 is positioned between the feed port 71 and the discharge port 61, a control switch 9 is fixed on the outer wall of the base 6, the branch grinder also comprises the protection switch mechanism, a shell in the protection switch mechanism is fixed in the rear side of the base 6, a hand-screwed bolt 10 is movably penetrated at the rear side of the cover 7, a locking block 26 is embedded in the shell at the position of a channel 22, a threaded hole 261 is arranged in the locking block 26, and a screw part of the hand-screwed bolt 10 is; the motor 8 is connected with the microswitch 1 in the protection switch mechanism in series and then is connected with the control switch 9 in series; by adopting the structure, when the cover and the base are fixed, the screw part in the hand-screwed bolt can be in threaded connection with the locking block in the protection switch mechanism, and after the screw part in the hand-screwed bolt is in threaded connection with the locking block, the cover and the base can be fastened, meanwhile, the screw part in the hand-screwed bolt can push the slider to move towards one side of the spring, and the slider can trigger the microswitch to switch on after moving, in other words, when the cover and the base are not completely fastened through the hand-screwed bolt, the microswitch cannot be triggered, so that the circuit of the branch grinder cannot be switched on, namely, the motor cannot drive the cutter head to rotate, thereby avoiding the phenomenon of false start of the branch grinder and improving the safety; in addition, the slider is adopted to trigger the microswitch, so that the slider has a stroke capable of moving towards one side of the spring after the slider triggers the microswitch, and compared with a mode of directly pushing the contact of the microswitch by using a hand-screwed bolt to trigger the microswitch, the phenomenon that the microswitch is damaged by the hand-screwed bolt due to the dimensional tolerance of parts can be prevented; in addition, if the microswitch is triggered by directly pushing the contact of the microswitch by using the hand-screwed bolt, the phenomenon that the microswitch cannot be triggered can occur when the stroke of the hand-screwed bolt is shortened due to assembly or accumulated tolerance, namely, the motor cannot work, and the microswitch is triggered by using the sliding block.
A material receiving box 20 is connected in the rack 5 in a sliding manner, the material receiving box 20 is positioned below the base 6, a sliding seat 201 is connected on the side wall of the material receiving box 20 in a sliding manner vertically, a push-pull handle 202 is fixed on the sliding seat 201, a U-shaped conductive pin 203 is fixed at the upper end of the sliding seat 201, a conductive socket 204 is fixed at the bottom of the base 6, the material receiving box 20 is installed in the rack 5, after the sliding seat 201 slides upwards, two ends of the conductive pin 203 are both used for being matched and plugged with the conductive socket 204, and the conductive socket 204 is connected with the motor and the microswitch 1 in the protection switch mechanism in series; after adopting this kind of structure, only in connecing the workbin to assemble the frame completely, and shift up at the sliding seat and make electrically conductive contact pin and electrically conductive socket insert and close the back just can make electrically conductive socket switch on, in other words, when connecing the workbin not assembling the frame completely, electrically conductive contact pin can't insert with electrically conductive socket and close, so, branch rubbing crusher's circuit can't be put through, connect the workbin when not installing promptly, motor among the branch rubbing crusher can't drive the blade disc and rotate, can avoid the user mistake to stretch into and contact rotatory cutter head from the discharge gate with the hand promptly, thereby can improve branch rubbing crusher's security.
The sliding seat 201 is located on the inner side of the material receiving box 20, the push-pull handle 202 is located on the outer side of the material receiving box 20, a stud 205 is arranged on one side, facing the sliding seat 201, of the push-pull handle 202, the push-pull handle 202 and the sliding seat 201 are fixed through screws penetrating through the sliding seat 201 and the stud 205, and a long hole 206 for the stud 205 to vertically slide is formed in the side wall of the material receiving box 20; after adopting this kind of structure, because the push-and-pull handle is arranged in the workbin that connects outward to can bring the convenience for operating the push-and-pull handle, can bring the convenience for reciprocating of sliding seat and electrically conductive contact pin promptly.
The two sides of the material receiving box 20 along the sliding direction are respectively provided with a slide rail 51, the two slide rails 51 are respectively fixed with the frame 5 at the corresponding side, each slide rail 51 extends towards the sliding direction of the material receiving box 20, and the outer edge of the upper end of the material receiving box 20 is connected with the slide rail 51 in a sliding manner; by adopting the structure, when the material receiving box is assembled with the rack, the material receiving box can be reliably connected with the rack in a sliding way.
When normally using branch rubbing crusher, the motor is in and drives under the blade disc pivoted state promptly, when the user wants to twist the loose hand and twist the bolt and rotate and open the cover, the slider can lose the top thrust that the hand was twisted the bolt, at this moment, the spring can drive the slider and slide towards the one side of keeping away from the spring and reset, the slider slides towards the one side of keeping away from the spring and resets the back, micro-gap switch can relieve the state triggered by the slider, micro-gap switch can resume the state of disconnection promptly, after micro-gap switch disconnection, can realize the compulsory outage to the motor, thereby can make the motor stop to drive the blade disc rotation, so, can avoid appearing the phenomenon that the blade disc hindered the people because of the mistake is opened the cover, the potential safety hazard has been eliminated.
To sum up, only after the machine cover is fastened with the protection switch mechanism and the machine base through the hand-screwed bolt and the material receiving box is completely assembled in the machine frame and the conductive contact pin is matched and plugged with the conductive socket, the motor can be powered on, and thus, the phenomenon that the motor drives the rotating cutter head to hurt people can be effectively avoided.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A protection switch mechanism, characterized by: the novel multifunctional switch comprises a housing, at least one micro-gap switch (1) is installed to the inside one side of shell, is provided with sliding cavity (21) in the shell that is located micro-gap switch (1) one side, sliding connection has slider (3) that are used for triggering the contact of micro-gap switch (1) in sliding cavity (21), is located and is provided with passageway (22) that are used for supplying excellent class object to pass in the casing of sliding cavity (21) wherein one end place department, excellent class object is used for promoting slider (3) so that slider (3) trigger micro-gap switch (1), be provided with between slider (3) and the shell and be used for driving slider (3) to remove reset structure that resets so that slider (3) relieve the trigger state to micro-gap switch (1).
2. The protection switch mechanism according to claim 1, characterized in that the corner of the side of the slider (3) facing the microswitch (1) is provided with an inclined surface (31), the inclined surface (31) is used for guiding in cooperation with the contact of the microswitch (1), and the inclined surface (31) is positioned on the side of the reset structure.
3. Protection switch mechanism according to claim 1, characterized in that the return structure comprises a spring (4), the spring (4) being embedded between the slider (3) and the housing, the side of the slider (3) facing the spring (4) being provided with an insertion slot (32) for partial insertion of the spring (4).
4. A protection switch mechanism according to claim 1, characterized in that two micro switches (1) are mounted in the housing, the two micro switches (1) being arranged one above the other, the two micro switches (1) being connected in series.
5. Protection switch mechanism according to claim 1, characterized in that the outer wall of the housing is provided with a number of lugs (23), each lug (23) being provided with a countersunk hole (231).
6. The protection switch mechanism according to claim 1, wherein the housing comprises an upper case (24) and a lower case (25), the upper case (24) is provided with a plurality of hooks (241), the lower case (25) is provided with a plurality of locking holes (251) respectively corresponding to one of the hooks (241), and after the upper case (24) is covered on the lower case (25), each hook (241) is in fit and locking connection with the locking hole (251) at the corresponding position; and a positioning pin (252) inserted into the positioning hole (11) of the microswitch (1) is arranged on the inner bottom of the lower shell (25).
7. A branch grinder comprises a frame (5), a base (6) and a cover (7), wherein the base (6) is fixed on the frame (5), the front side of the cover (7) is rotationally connected with the front side of the base (6), a feed inlet (71) is arranged on the cover (7), a discharge outlet (61) is arranged at the bottom of the base (6), a motor (8) is fixed in the base (6), a cutter head (81) is installed at the output end of the motor (8), the cutter head (81) is positioned between the feed inlet (71) and the discharge outlet (61), a control switch (9) is fixed on the outer wall of the base (6), and the branch grinder is characterized in that the branch grinder further comprises a protection switch mechanism according to any one of claims 1 to 6, a shell in the protection switch mechanism is fixed in the inner part of the rear side of the base (6), a hand-screwed bolt (10) is movably arranged on the rear side of the cover (7) in a penetrating mode, a locking block (26) is embedded in the shell located at the position of the channel (22), a threaded hole (261) is formed in the locking block (26), and a screw rod portion of the hand-screwed bolt (10) is arranged in the threaded hole (261) in a penetrating mode and in threaded connection with the threaded hole (261); the motor (8) is connected with the microswitch (1) in the protection switch mechanism in series and then is connected with the control switch (9) in series.
8. The branch pulverizer as claimed in claim 7, wherein the rack (5) is connected with a material receiving box (20) in a sliding manner, the material receiving box (20) is located below the base (6), the side wall of the material receiving box (20) is connected with a sliding seat (201) in a sliding manner in a vertical manner, a push-pull handle (202) is fixed on the sliding seat (201), a U-shaped conductive pin (203) is fixed at the upper end of the sliding seat (201), a conductive socket (204) is fixed at the bottom of the base (6), the material receiving box (20) is installed in the rack (5) and is connected with the conductive socket (204) in a matching and plugging manner after the sliding seat (201) slides upwards, and the two ends of the conductive pin (203) are connected with the motor and the microswitch (1) in the protection switch mechanism in a series manner.
9. The branch pulverizer as claimed in claim 8, wherein the sliding seat (201) is located inside the material receiving box (20), the push-pull handle (202) is located outside the material receiving box (20), a stud (205) is arranged on one side of the push-pull handle (202) facing the sliding seat (201), the push-pull handle (202) and the sliding seat (201) are fixed through screws arranged in the sliding seat (201) and the stud (205), and an elongated hole (206) for the stud (205) to slide vertically is arranged on the side wall of the material receiving box (20).
10. The branch grinder according to claim 8, wherein the receiving box (20) is provided with slide rails (51) on both sides in the sliding direction, two slide rails (51) are respectively fixed to the frame (5) on the corresponding side, each slide rail (51) extends in the sliding direction of the receiving box (20), and the outer edge of the upper end of the receiving box (20) is slidably connected to the slide rail (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011259110.1A CN112317116A (en) | 2020-11-12 | 2020-11-12 | Protection switch mechanism and branch crusher with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011259110.1A CN112317116A (en) | 2020-11-12 | 2020-11-12 | Protection switch mechanism and branch crusher with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112317116A true CN112317116A (en) | 2021-02-05 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011259110.1A Pending CN112317116A (en) | 2020-11-12 | 2020-11-12 | Protection switch mechanism and branch crusher with same |
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| Country | Link |
|---|---|
| CN (1) | CN112317116A (en) |
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