CN217637411U - Encoder shell with disassembly marks - Google Patents

Abstract

The utility model belongs to the technical field of the encoder technique and specifically relates to an encoder shell with dismantle and stay trace, including casing and closing cap, wherein, a plurality of screw holes of going up have been seted up on the closing cap, a plurality of screw holes down have been seted up to the opening part terminal surface of casing, go up screw hole and screw hole female connection have set screw down, a plurality of resettlement holes have been seted up on the casing of screw hole both sides down, the resettlement downthehole deposit bottle that deposits corrosive liquids that is equipped with, the intercommunicating pore of a plurality of intercommunication resettlement holes has been seted up to the side end face of screw hole down, be equipped with trigger mechanism in the intercommunicating pore, the constitution realizes through precession fastening screw that trigger mechanism will deposit the bottle bursting, and the screw hole's structure is realized that corrosive liquids flows to down screwed-out fastening screw, the bottom intercommunication of screw hole has the corruption chamber down, the utility model discloses whether the encoder shell is dismantled the back and is convenient for look over and is illegally disassembled and falsely disassembled, and the encoder has extensive application prospect in encoder technical field.

Description

Encoder shell with disassembly marks

Technical Field

The utility model belongs to the technical field of the encoder technique and specifically relates to an encoder shell with dismantle and stay trace.

Background

In a real-time monitoring or electronic metering system, an encoder is a starting point for digitally encoding metering information, and the information security of the encoder is important for the accuracy and consistency of the whole system, so that hackers with professional skills or illegal organizations attack and damage are frequently confronted, for example, after the encoder is obtained, a circuit is disassembled and tampered, an MCU chip is replaced, software in an MCU is replaced, and the accuracy of the metering information encoding is tampered, so that the purposes of illegal profit or benefit are achieved, even more, the encoder circuit is tampered and a wireless control device is additionally arranged, the encoder can be remotely controlled externally, and whether the encoder performs metering according to a verification standard is controlled according to the requirements, so that quality or the verification and the metering verification of a metering supervision department can be easily avoided while is made.

The encoder usually adopts the shell to protect, but the shell is mostly simple structure among the prior art, is difficult to leave the trace after the shell is dismantled, consequently can't judge whether by illegal disassembly and tampering, consequently needs an encoder shell that can solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The invention discloses an encoder shell with a disassembly trace, which aims to solve the problems that in the prior art, most shells are simple in structure, and the shell is difficult to leave the trace after being disassembled, so that whether the shell is disassembled illegally or tampered cannot be judged.

The technical scheme of the utility model be, including casing and closing cap, wherein, a plurality of last screw holes have been seted up on the closing cap, a plurality of screw holes down have been seted up to the opening part terminal surface of casing, go up screw hole and screw hole female connection have set screw down, a plurality of arrangement holes have been seted up on the casing of screw hole both sides down, the downthehole storage bottle of depositing corrosive liquids that is equipped with of arrangement, the intercommunicating pore in a plurality of intercommunication arrangement holes has been seted up to the side end face of screw hole down, be equipped with trigger mechanism in the intercommunicating pore, the constitution realizes trigger mechanism through precession set screw that trigger mechanism triggers and will deposit the bottle bursting, screws out again for corrosive liquids flows the downthehole structure of lower screw through the intercommunicating pore in the storage bottle, the bottom of screw hole has the corruption chamber through first connecting hole and second connecting hole intercommunication down.

Preferably, a plurality of fixing grooves are formed in the sealing cover, and the upper threaded hole is formed in the bottom of the fixing groove, so that the fixing groove and the upper threaded hole form a structure with a T-shaped vertical section.

Preferably, the threaded holes below the plurality of the placing holes are uniformly arranged on the shell in an annular shape by taking the threaded holes as axes, and the limiting blocks are fixedly inserted into the placing holes above the storage bottles.

Preferably, trigger mechanism includes transition piece, trigger head, shutoff piece, thimble and reset spring, the shifting chute has been seted up to the inside wall of screw hole down, the intercommunicating pore is seted up at the shifting chute, transition piece interference is connected in the intercommunicating pore and partly extends to the shifting chute in, set up the shifting chute of screw hole and settling hole under the intercommunication in the transition piece, thimble sliding connection is in shifting chute, the thimble is at shifting chute in and shutoff piece fixed connection, shutoff piece and trigger head fixed connection, reset spring's both ends are contradicted with the bottom of trigger head and shifting chute respectively.

Preferably, the terminal surface that the thimble was kept away from to the trigger head is the arc, the shutoff piece is the round platform shape, and is less than the diameter that is close to trigger head one end near the diameter of the one end of thimble, the diameter that the shutoff piece is close to the one end of thimble is less than or equal to the diameter of thimble.

Preferably, a pressing opening is formed in the side wall of the storage bottle, the pressing opening corresponds to the moving hole, a sealing piece is fixed at the pressing opening in a sealing mode, and the ejector pin abuts against the sealing piece.

Preferably, the first connecting hole and the second connecting hole are arc-shaped, the first connecting hole is communicated with the bottom of the lower threaded hole, the second connecting hole is communicated with the lower end of the side wall of the lower threaded hole, and the corrosion cavity is close to the outer side wall of the shell.

Adopt the technical scheme of the utility model can reach following beneficial effect: (1) The sealing cover is conveniently fixed at the opening of the shell through the fixing groove, the upper threaded hole, the lower threaded hole and the fixing screw, so that the opening of the shell is sealed; (2) The corrosive liquid is convenient to store through the placing hole and the storage bottles, further the shell is corroded to leave marks through releasing the corrosive liquid by breaking the storage bottles, and the storage bottles can be conveniently broken only by detaching the fixing screws in different placing shells, so that the corrosive liquid in the storage bottles flows into the lower threaded hole and further flows into the corrosion cavity; (3) Through the trigger mechanism, the trigger mechanism is triggered by screwing the fixing screw into the lower threaded hole, so that the storage bottle is broken through by the trigger mechanism, but only a small amount of corrosive liquid flows into the lower threaded hole when the storage bottle is broken, and after the fixing screw is screwed out of the lower threaded hole again, a large amount of corrosive liquid in the storage bottle flows into the lower threaded hole, so that the shell is corroded, and the purpose of keeping a mark is achieved; (4) Through first connecting hole, second connecting hole and corruption chamber for the corrosive liquids that will flow down threaded hole utilizes first connecting hole and second connecting hole drainage to corrode the intracavity, and then corrodes the inner wall that corrodes the chamber, and communicates with the external world until corroding the chamber, thereby reaches the effect of staying the trace, is convenient for judge whether the casing is by illegal disassembling and tampering encoder, the technical scheme of the utility model has extensive application prospect in encoder technical field.

Drawings

Fig. 1 is a front view of the encoder housing with a detachable indentation according to the present invention.

Fig. 2 is an enlarged view of the area a in fig. 1.

Wherein, 1, casing, 2, closing cap, 3, fixed recess, 4, go up the screw hole, 5, lower screw hole, 6, set screw, 7, the hole of placing, 8, deposit the bottle, 9, the stopper, 10, oppression mouth, 11, the gasket, 12, shifting chute, 13, the transition piece, 14, the hole of moving, 15, the thimble, 16, the shutoff piece, 17, trigger the head, 18, reset spring, 19, first connecting hole, 20, corrode the chamber, 21, the second connecting hole, 22, the plugboard.

Detailed Description

The technical solutions of the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention, and in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, and are only for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as limiting the present invention.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance throughout the description of the present invention, it being understood that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

1-2, including casing 1 and closing cap 2, welded fastening or integrative the extension have plugboard 22 on closing cap 2 for closing cap 2 and plugboard 22 form the structure of T type, and plugboard 22 can be pegged graft in the opening of casing 1 when closing cap 2 to the opening part of casing 1 for limiting closing cap 2, the realization closing cap 2 can be better seals the opening of casing 1. Set up a plurality of screw holes 4 on the closing cap 2, and a plurality of screw holes 4 of going up are the border of annular evenly distributed at closing cap 2, and a plurality of screw holes 5 down have been seted up to the opening part terminal surface of casing 1, go up screw hole 4 and 5 female connection of screw hole have set screw 6 down for realize together closing cap 2 and the firm connection of casing 1 when last screw hole 4 and screw hole 5 down through set screw 6 threaded connection. A plurality of fixing grooves 3 are formed in the sealing cover 2, the upper threaded hole 4 is formed in the bottom of the fixing groove 3, the fixing groove 3 and the upper threaded hole 4 form a structure with a T-shaped vertical section, and the fixing screw 6 is convenient to thread-connect in the upper threaded hole 4 and the lower threaded hole 5, the head of the fixing screw can be kept on the same horizontal plane in the fixing groove 3, and the head of the fixing screw 6 does not exceed the plane where the outer end face of the sealing cover 2 is located. Set up a plurality of place holes 7 on the casing 1 of 5 both sides of lower screw hole, be equipped with the bottle 8 of depositing corrosive liquids in the place hole 7, corrosive liquids is hydrochloric acid etc. and has the solution of strong corrosivity, be convenient for lay through place hole 7 and deposit bottle 8, can be with the shutoff of place hole 7 when the opening part of casing 1 is buckled to closing cap 2 simultaneously, avoid taking out the bottle 8 of depositing in the hole 7 under the condition of not dismantling closing cap 2, utilize corrosive liquids to corrode the casing 1 of metal material simultaneously and stay the trace. The storage bottle 8 is made of glass fiber reinforced plastic, so that corrosive liquid can be conveniently stored for a long time. Threaded hole 5 below a plurality of mounting holes 7 is the annular for the axis and evenly offers on casing 1, is convenient for place a plurality of bottles 8 of depositing in a plurality of mounting holes, and then realizes placing casing 1 from the equidirectional at least one corrosive liquids that can realize in the bottle 8 of depositing and can flow and flow through the intercommunication hole and flow in threaded hole 5 down when taking out set screw 6. The limiting block 9 is fixedly inserted into the placing hole 7 above the storage bottle 8, so that the storage bottle 8 is limited through the limiting block 9, the storage bottle 8 is prevented from moving randomly in the placing hole 7, and the triggering mechanism is influenced to break the storage bottle 8. The lateral end face of the lower threaded hole 5 is provided with a plurality of communicating holes communicated with the placing hole 7, so that the placing hole 7 is communicated with the lower threaded hole 5 through the communicating holes, and corrosive liquid can flow into the lower threaded hole 5 through the communicating holes after the storage bottle 8 in the placing hole 7 is burst. Be equipped with trigger mechanism in the intercommunicating pore, constitute and realize trigger mechanism through precession set screw 6 and trigger and will deposit 8 bursting on the bottle, unscrew set screw 6 again for corrosive liquid flows the structure in screw hole 5 down through the intercommunicating pore in the bottle 8, makes and can realize the corrosive liquid outflow in the bottle 8 through trigger mechanism with depositing 8 bursting on the bottle, and then realizes that corrosive liquid can flow in screw hole 5 down. The bottom of screw hole 5 has the corruption chamber 20 through first connecting hole 19 and second connecting hole 21 intercommunication down, is convenient for flow the corrosive liquids in screw hole 5 down and flows to the corruption chamber 20 through first connecting hole 19 and second connecting hole 21 in, and then realize corrosive liquids can be fast will corrode the chamber 20 and corrode and pass, realize corroding the chamber 20 and be linked together with the external world, and then can leave the corrosion mark at the surface of casing 1.

As shown in fig. 1-2, the encoder housing with a removal trace comprises a transition block 13, a trigger head 17, a blocking block 16, an ejector pin 15 and a return spring 18, wherein a moving groove 12 is formed in the inner side wall of the lower threaded hole 5, and a communication hole is formed in the moving groove 12, so that the guide groove and the communication hole form a T-shaped structure, and the installation and the limitation of the trigger mechanism are facilitated. Transition piece 13 interference is connected in the intercommunicating pore and partly extends to in moving groove 12, and transition piece 13 is the glass steel material, is convenient for keep apart 1 lateral wall of casing of through-hole department through transition piece 13, and the setting of closely conflicting is carried out transition piece 13 and storage bottle 8 simultaneously, avoids storage bottle 8 to be broken by the bursting back, and corrosive liquids and intercommunicating pore and the 1 lateral wall contact of casing of placing hole 7 department cause the corruption. The transition block 13 is internally provided with a moving hole 14 communicated with the lower threaded hole 5 and the placing hole 7, the ejector pin 15 is slidably connected in the moving hole 14, the ejector pin 15 is convenient to move in the moving hole 14, and the storage bottle 8 is further broken by jacking, so that corrosive liquid can flow into the lower threaded hole 5 through the moving hole 14. The thimble 15 is glass steel material, avoids thimble 15 and corrosive liquids to contact the corruption damage. Thimble 15 is in removal groove 12 with shutoff piece 16 welded fastening connection or integrated into one piece for shutoff piece 16 is connected as a whole with thimble 15, and then realizes removing simultaneously, utilizes shutoff piece 16 to make and can carry out the shutoff to removing hole 14 behind thimble 15 broke the storage bottle 8 simultaneously, avoids in the screw hole 5 under a large amount of corrosive liquids flow when set screw 6 does not demolish, and then flows to in corroding the chamber 20, wears the lateral wall corrosion of casing 1 in advance and leaves the vestige. The plugging block 16 is made of glass fiber reinforced plastic, so that the plugging block 16 can tightly plug the moving hole 14, and meanwhile, the plugging block 16 is prevented from being corroded and damaged by corrosive liquid, and the plugging of the plugging block 16 on the moving hole 14 is influenced. The blocking block 16 is connected with the trigger head 17 in a welding and fixing mode or integrally formed, so that the blocking block 16 is connected with the trigger head 17 to form a whole, and the blocking block 16 and the trigger head 17 can move simultaneously. Reset spring 18's both ends are inconsistent with the bottom that triggers head 17 and removal groove 12 respectively for providing elasticity for triggering head 17 through reset spring 18, and then make and make triggering head 17 break away from in removal groove 12 at reset spring 18's spring action after screw hole 5 under the set screw 6 back of unscrewing, and then drive blocking piece 16 and will remove hole 14 and open, realize that the corrosive liquids in the storage bottle 8 flows down in the screw hole 5 through removing hole 14. The terminal surface that triggers head 17 and keep away from thimble 15 is the arc, and the set screw 6 of being convenient for oppresses and triggers head 17 when screwing down screw hole 5 for trigger head 17 drives blocking piece 16 and thimble 15 and removes to the direction that is close to deposit bottle 8, carries out the shutoff until blocking piece 16 to removal hole 14. The blocking block 16 is in a circular truncated cone shape, the diameter of one end close to the ejector pin 15 is smaller than the diameter of one end close to the trigger head 17, the diameter of one end, close to the ejector pin 15, of the blocking block 16 is smaller than or equal to the diameter of the ejector pin 15, one end, close to the ejector pin 15, of the blocking head is convenient to plug into the moving hole 14, and then the blocking head is enabled to better block the moving hole 14. Offer oppression mouth 10 on the lateral wall of depositing bottle 8, and oppression mouth 10 is corresponding with removal hole 14, oppression mouth 10 department seal weld is fixed with gasket 11, and thimble 15 offsets with gasket 11, be convenient for thimble 15 can oppress gasket 11 when removing the direction removal that the hole 14 was deposited to being close to in moving, and then through breaking the oppression mouth 10 that realizes depositing bottle 8 with gasket 11 and open for the corrosive liquids in the depositing bottle 8 can flow to in the removal hole 14. Sealing piece 11 is the glass steel material, and the thickness of sealing piece 11 is less than the thickness of depositing bottle 8, and the thimble 15 oppresses sealing piece 11 of being convenient for sealing piece 11 breaks easily.

As shown in fig. 1-2, the first connecting hole 19 and the second connecting hole 21 are arc-shaped, so that the corrosive liquid flowing into the lower threaded hole 5 can flow into the corrosion chamber 20 through the first connecting hole 19 and the second connecting hole 21. First connecting hole 19 is linked together with the bottom of screw hole 5 down, and second connecting hole 21 is linked together with the lateral wall lower extreme of screw hole 5 down for on different place casing 1, can flow the corrosive liquid who flows to screw hole 5 bottom down in the corruption chamber 20. The corrosion chamber 20 is close to the outer side wall of the shell 1, so that the corrosion chamber 20 can be quickly corroded to run through after corrosive liquid flows into the corrosion chamber 20, and then corrosion traces can be quickly left on the outer surface of the shell 1.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (7)

1. Encoder shell with trace is stayed in dismantlement, including casing (1) and closing cap (2), its characterized in that, seted up a plurality of screw holes (4) of going up on closing cap (2), a plurality of screw holes (5) down have been seted up to the opening part terminal surface of casing (1), go up screw hole (4) and screw hole (5) female connection have set screw (6) down, set up a plurality of arrangement hole (7) on casing (1) of screw hole (5) both sides down, be equipped with in arrangement hole (7) and deposit bottle (8) of depositing corrosive liquid, the intercommunicating pore of a plurality of intercommunication arrangement holes (7) is seted up to the side end face of screw hole (5) down, be equipped with trigger mechanism in the intercommunicating pore, constitute and realize trigger mechanism through precession set screw (6) and trigger mechanism and trigger and will deposit bottle (8) and break through the intercommunicating pore flow to the structure in screw hole (5) down, there is connecting hole (20) through first connecting hole (19) and second corruption chamber (21) bottom of screw hole (5) down.

2. The encoder shell with the disassembly mark according to claim 1, wherein a plurality of fixing grooves (3) are formed in the cover (2), and the upper threaded holes (4) are formed in the inner bottoms of the fixing grooves (3), so that the fixing grooves (3) and the upper threaded holes (4) form a structure with a T-shaped vertical section.

3. The encoder shell with the disassembly mark according to claim 1, wherein a plurality of the placement holes (7) are uniformly arranged on the shell (1) in a ring shape by taking the threaded holes (5) below as axes, and a limiting block (9) is inserted and fixed in the placement hole (7) above the storage bottle (8).

4. The encoder shell with the disassembly trace according to claim 1, wherein the trigger mechanism comprises a transition block (13), a trigger head (17), a blocking block (16), an ejector pin (15) and a return spring (18), a moving groove (12) is formed in the inner side wall of the lower threaded hole (5), a communicating hole is formed in the moving groove (12), the transition block (13) is connected in the communicating hole in an interference mode, part of the communicating hole extends into the moving groove (12), a moving hole (14) which communicates the lower threaded hole (5) with the installation hole (7) is formed in the transition block (13), the ejector pin (15) is connected in the moving hole (14) in a sliding mode, the ejector pin (15) is fixedly connected with the blocking block (16) in the moving groove (12), the blocking block (16) is fixedly connected with the trigger head (17), and two ends of the return spring (18) are respectively abutted to the bottoms of the moving groove (12) and the trigger head (17).

5. The encoder shell with the disassembly trace according to claim 4, wherein the end surface of the trigger head (17) far away from the thimble (15) is arc-shaped, the blocking block (16) is truncated cone-shaped, the diameter of the end close to the thimble (15) is smaller than that of the end close to the trigger head (17), and the diameter of the end close to the thimble (15) of the blocking block (16) is smaller than or equal to that of the thimble (15).

6. The encoder shell with the detachment mark according to claim 4, wherein a pressing opening (10) is formed in a side wall of the storage bottle (8), the pressing opening (10) corresponds to the moving hole (14), a sealing sheet (11) is fixed at the pressing opening (10) in a sealing manner, and the ejector pin (15) abuts against the sealing sheet (11).

7. The encoder housing with the disassembly mark according to claim 1, wherein the first connection hole (19) and the second connection hole (21) are arc-shaped, the first connection hole (19) is communicated with the bottom of the lower threaded hole (5), the second connection hole (21) is communicated with the lower end of the side wall of the lower threaded hole (5), and the corrosion chamber (20) is close to the outer side wall of the housing (1).

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