Mining explosion-proof electronic meter

Abstract

The utility model provides a mining explosion-proof electronic meter, which comprises an electronic meter body, an external explosion-proof cover, an explosion-proof transparent piece, a connecting rope and an explosion-proof shell, wherein the external explosion-proof cover covers the upper part and / or the side part of the electronic watch body with the time display area, and the explosion-proof shell covers the lower part and / or the side part of the electronic watch body; the external explosion-proof cover is positioned outside the explosion-proof shell, so that the disassembly and assembly of the explosion-proof shell on the electronic meter body are not influenced by the disassembly and assembly of the external explosion-proof cover on the electronic meter body; by arranging the external explosion-proof cover, the explosion-proof transparent part and the explosion-proof shell, the electronic meter body is effectively protected and subjected to explosion suppression, meanwhile, the formed closed space can bear explosion pressure of structures such as a battery in the electronic meter body, breakdown of electric sparks and electric arcs and propagation of abnormal high temperature are prevented, explosion of explosive substances in a coal mine is avoided, and the safety of the coal mine is guaranteed. And the use safety in flammable and explosive environments such as a coal mine and the like is effectively guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of mine watch, specifically, relates to a mine explosion-proof electronic watch. BACKGROUND

[0002] The electronic watch is a watch internally equipped with electronic elements, generally divided into liquid crystal display digital type and quartz pointer type two kinds;The existing intelligent electronic watch and other intelligent wearable devices not only have the function of ordinary electronic watch, but also have the function of measuring heart rate, blood oxygen and body temperature data.

[0003] Once the electrical or mechanical failure occurs in the electrical equipment, the fault spark, arc and abnormal temperature can be generated, the spark and arc can even break through the shell in the shell of the equipment, and the spark, arc or abnormal temperature is extremely easy to ignite the explosive material (for example: gas) under the mine, and further can cause safety accidents;Coal mine is a kind of special operation place, and for the safety consideration, all instruments and meters under the well must have good explosion-proof performance.

[0004] The explosion-proof performance is also called pressure-resistant and explosion-proof performance, which requires that the instrument components capable of igniting explosive material are enclosed in a shell, the shell can withstand the explosion pressure of internal explosive material (for example: battery in the watch), the breakthrough of electric spark and arc and the spread of abnormal high temperature;The explosion-proof shell can limit the fault spark, arc or dangerous temperature in a certain range, to avoid the explosion of explosive material in the coal mine.

[0005] However, the existing electronic watch does not have explosion-proof function, so it cannot be used with mining operation in the underground and other harsh environments. UTILITY MODEL CONTENTS

[0006] The utility model provides a kind of mine explosion-proof electronic watch, to solve the problem that electronic watch in prior art does not have explosion-proof function, so it cannot be used with mining operation in the underground and other harsh environments.

[0007] In order to solve the above problems, the utility model provides a kind of mine explosion-proof electronic watch, comprising: electronic watch body, external explosion-proof cover, explosion-proof transparent piece, connecting rope and explosion-proof shell;Explosion-proof transparent piece uses explosion-proof transparent material, external explosion-proof cover and explosion-proof shell use explosion-proof insulating material;External explosion-proof cover is detachably arranged on electronic watch body, and external explosion-proof cover has observation window, and observation window is used to observe the time display area of electronic watch body;Explosion-proof transparent piece is arranged on the observation window of external explosion-proof cover, and is used to seal observation window;Explosion-proof shell is detachably arranged on the lower part of electronic watch body;The both ends of connecting rope are detachably connected with external explosion-proof cover and electronic watch body respectively, and are used to prevent external explosion-proof cover from being lost when external explosion-proof cover is separated from electronic watch body;Wherein, external explosion-proof cover covers the upper part and / or side of the time display area of electronic watch body, and explosion-proof shell covers the lower part and / or side of electronic watch body;External explosion-proof cover is located outside explosion-proof shell, so that the disassembly of external explosion-proof cover on electronic watch body does not affect the disassembly of explosion-proof shell on electronic watch body.

[0008] Further, the mine explosion-proof electronic watch further comprises at least one sealing plug, the sealing plug is made of elastic insulating material, the sealing plug is detachably arranged on the electronic watch body, and is used to seal the hole on the electronic watch body;The hole on the electronic watch body includes a charging port.

[0009] Further, the mine explosion-proof electronic watch further comprises at least one elastic rope, one end of the elastic rope is connected with the sealing plug, and the other end of the elastic rope is connected with the external explosion-proof cover or the electronic watch body, the elastic rope is used to prevent the sealing plug from being lost when the sealing plug is separated from the hole on the electronic watch body;At least one elastic rope corresponds to at least one sealing plug one by one.

[0010] Further, the charging port is located on the upper part of the electronic watch body, and one end of the elastic rope is connected with the external explosion-proof cover;Wherein, in the state that the external explosion-proof cover covers the upper part of the electronic watch body, the elastic rope and the sealing plug are located inside the external explosion-proof cover.

[0011] Further, the mine explosion-proof electronic watch further comprises an operating part, the operating part is arranged on the external explosion-proof cover, and the external explosion-proof cover is rotatably and detachably arranged on the electronic watch body;The external explosion-proof cover is rotated or disassembled or assembled on the electronic watch body by operating the operating part.

[0012] Further, the explosion-proof shell covers the lower part and the side of the electronic watch body, the external explosion-proof cover covers the upper part of the electronic watch body, and covers the outer side of the explosion-proof shell, so as to protect the explosion-proof shell;When the mine explosion-proof electronic watch is in the wearing state, the lower part of the explosion-proof shell is used to contact the wearer;The explosion-proof transparent piece is outwardly protruding, and the outer circumferential surface of the protruding part is a circular arc surface.

[0013] Further, the explosion-proof insulating material comprises at least one of an epoxy resin material, a polytetrafluoroethylene material, a silicone rubber material, a polycarbonate material, a polyamide material, a ceramic material, and a glass fiber reinforced plastic; and / or, the explosion-proof transparent material comprises at least one of a polycarbonate material, a polymethyl methacrylate material, tempered glass, sapphire crystal glass, a polysulfone material, and a polyether ether ketone material.

[0014] Further, the electronic watch body comprises a watch body, a first watchband, a second watchband, and at least one connecting head; the external explosion-proof cover is detachably arranged on the watch body, the time display area is located at the upper part of the watch body, and the two ends of the connecting rope are detachably connected with the external explosion-proof cover and the second watchband, respectively; the explosion-proof shell is detachably arranged at the lower part of the watch body; the at least one connecting head is arranged on the first watchband; the second watchband is provided with a plurality of mounting holes, and the plurality of mounting holes are arranged at intervals along the extension direction of the second watchband; the connecting head is selectively matched with one mounting hole; wherein, when the electronic watch body is in a wearing state, the first watchband and the second watchband simultaneously surround the wearing position to relatively fix the watch body with the wearer; one end of the first watchband with the connecting head is pressed on one end of the second watchband with the mounting hole, the connecting head is inserted into the mounting hole, and is matched with the mounting hole.

[0015] Further, the second watchband is further provided with mounting grooves, the mounting grooves are respectively communicated with the plurality of mounting holes, and the extension direction of the mounting grooves is parallel to the extension direction of the second watchband; wherein, when the electronic watch body is in the wearing state, one end of the connecting head is inserted into the mounting hole and located in the mounting groove, and the mounting groove is used for accommodating one end of the connecting head inserted into the mounting hole, so that the connecting head does not contact the wearer.

[0016] Further, the connecting head comprises a connecting rod and an anti-dropping head, the two ends of the connecting rod are respectively connected with the first watchband and the anti-dropping head, and the end of the anti-dropping head away from the connecting rod is provided with an arc surface; the outer diameter of the connecting rod is smaller than the outer diameter of the anti-dropping head; the mounting hole comprises a first hole and a second hole which are communicated with each other, the first hole and the second hole are arranged along the extension direction of the second watchband, and the diameter of the first hole is smaller than the diameter of the second hole; the second watchband is made of an elastic material, so that the diameter of the first hole and the diameter of the second hole can be changed; wherein, when the electronic watch body is worn, the anti-dropping head and the connecting rod are inserted into the second hole, the anti-dropping head is located in the mounting groove, the connecting rod is moved along the extension direction of the second watchband, so that the connecting rod enters the first hole and is limitedly matched with the inner wall of the first hole, to relatively fix the first watchband with the second watchband.

[0017] The utility model discloses a kind of mine explosion-proof electronic watch, comprising: electronic watch body, external explosion-proof cover, explosion-proof transparent piece, connecting rope and explosion-proof shell;Explosion-proof transparent piece uses explosion-proof transparent material, external explosion-proof cover and explosion-proof shell use explosion-proof insulating material;External explosion-proof cover is detachably arranged on electronic watch body, and external explosion-proof cover has observation window, and observation window is used to observe the time display area of electronic watch body;Explosion-proof transparent piece is arranged on the observation window of external explosion-proof cover, for sealing observation window;Explosion-proof shell is detachably arranged in the lower part of electronic watch body;Two ends of connecting rope are detachably connected with external explosion-proof cover and electronic watch body respectively, for preventing external explosion-proof cover from being lost when external explosion-proof cover and electronic watch body are separated;Wherein, external explosion-proof cover covers the upper part and / or side of the time display area of electronic watch body, and explosion-proof shell covers the lower part and / or side of electronic watch body;External explosion-proof cover is located outside explosion-proof shell, so that the disassembly of external explosion-proof cover on electronic watch body does not affect the disassembly of explosion-proof shell on electronic watch body.

[0018] The utility model discloses a kind of mine explosion-proof electronic watch, comprising: electronic watch body, external explosion-proof cover, explosion-proof transparent piece, connecting rope and explosion-proof shell;Explosion-proof transparent piece uses explosion-proof transparent material, external explosion-proof cover and explosion-proof shell use explosion-proof insulating material;External explosion-proof cover is detachably arranged on electronic watch body, and external explosion-proof cover has observation window, and observation window is used to observe the time display area of electronic watch body;Explosion-proof transparent piece is arranged on the observation window of external explosion-proof cover, for sealing observation window;Explosion-proof shell is detachably arranged in the lower part of electronic watch body;Two ends of connecting rope are detachably connected with external explosion-proof cover and electronic watch body respectively, for preventing external explosion-proof cover from being lost when external explosion-proof cover and electronic watch body are separated;Wherein, external explosion-proof cover covers the upper part and / or side of the time display area of electronic watch body, and explosion-proof shell covers the lower part and / or side of electronic watch body;External explosion-proof cover is located outside explosion-proof shell, so that the disassembly of external explosion-proof cover on electronic watch body does not affect the disassembly of explosion-proof shell on electronic watch body。 BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings accompanying the specification provide further understanding of the present application, the illustrative embodiments of the present application and the explanations thereof serve to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0020] Figure 1 Part of the structure schematic diagram of the mine explosion-proof electronic watch provided by the embodiment of the present application is shown when the external explosion-proof cover is opened;

[0021] Figure 2 The external structure schematic diagram of the mine explosion-proof electronic watch provided by the embodiment of the present application is shown under the perspective angle;

[0022] Figure 3 The external structure schematic diagram of the mine explosion-proof electronic watch provided by the embodiment of the present application is shown under the perspective angle;

[0023] Figure 4 The specific structure enlarged view of the connecting head provided by the embodiment of the present application is shown.

[0024] Among them, the above drawings include the following reference signs:

[0025] 10, electronic watch body; 11, time display area; 12, charging port; 13, watch body; 14, first watchband; 15, second watchband; 16, connecting head; 161, connecting rod; 162, anti-off head; 17, mounting hole; 171, first hole; 172, second hole; 18, mounting groove;

[0026] 20, external explosion-proof cover;

[0027] 30, explosion-proof transparent piece;

[0028] 40, connecting rope;

[0029] 50, explosion-proof shell;

[0030] 60, sealing plug;

[0031] 70, elastic rope;

[0032] 80, operation part. DETAILED DESCRIPTION

[0033] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. The description of the at least one exemplary embodiment is merely illustrative, and is by no means intended to limit the present application and its application or use in any way. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0034] As shown in Figures 1 to 4 The embodiment of the present application provides a mine explosion-proof electronic watch, which comprises an electronic watch body 10, an external explosion-proof cover 20, an explosion-proof transparent piece 30, a connecting rope 40 and an explosion-proof shell 50; the explosion-proof transparent piece 30 is made of explosion-proof transparent material, the external explosion-proof cover 20 and the explosion-proof shell 50 are made of explosion-proof insulating material; the external explosion-proof cover 20 is detachably arranged on the electronic watch body 10, the external explosion-proof cover 20 is provided with an observation window, and the observation window is used for observing a time display area 11 of the electronic watch body 10; the explosion-proof transparent piece 30 is arranged on the observation window of the external explosion-proof cover 20 and is used for sealing the observation window; the explosion-proof shell 50 is detachably arranged at the lower part of the electronic watch body 10; the two ends of the connecting rope 40 are detachably connected with the external explosion-proof cover 20 and the electronic watch body 10 respectively, and the connecting rope 40 is used for preventing the external explosion-proof cover 20 from being lost when the external explosion-proof cover 20 is separated from the electronic watch body 10; wherein the external explosion-proof cover 20 covers the upper part and / or the side part of the electronic watch body 10 with the time display area 11, and the explosion-proof shell 50 covers the lower part and / or the side part of the electronic watch body 10; the external explosion-proof cover 20 is located outside the explosion-proof shell 50, so that the disassembly of the external explosion-proof cover 20 on the electronic watch body 10 does not affect the disassembly of the explosion-proof shell 50 on the electronic watch body 10.

[0035] The external explosion-proof cover 20, the explosion-proof transparent piece 30 and the explosion-proof shell 50 effectively protect and explosion-proof the electronic watch body 10, once the electrical or mechanical failure occurs in the electrical equipment, the fault spark, arc and abnormal temperature can be generated, so that the electronic watch body 10 will not ignite the explosive material under the mine even if the spark, arc or abnormal temperature is generated, and the occurrence of safety accidents is avoided, and the requirement of the explosion-proof performance in special operation places such as coal mines can be effectively met; the explosion-proof transparent piece 30 is made of explosion-proof transparent material, and the external explosion-proof cover 20 and the explosion-proof shell 50 are made of explosion-proof insulating material, so that the mine explosion-proof electronic watch has the pressure explosion-proof performance for the electronic watch body 10, the closed space formed by the explosion-proof transparent piece 30, the external explosion-proof cover 20 and the explosion-proof shell 50 can bear the explosion pressure of the battery and other structures in the electronic watch body 10, prevent the breakdown of the electric spark and arc and the spread of the abnormal high temperature, avoid the explosion of the explosive material in the coal mine, and effectively guarantee the use safety in the inflammable and explosive environment such as the coal mine; the electronic watch body 10 can be provided with the existing intelligent wearable technology module, the functionality and intelligent degree of the electronic watch body 10 are improved, and stable operation of the electronic watch body 10 in a complex environment is ensured; the mine explosion-proof electronic watch has good explosion-proof function, can be used with mining operation in a bad environment such as a mine, the overall design fully considers the actual watch demand of the coal mine workers, provides strong technical support for the safe operation of the coal mine, has simple structure and low cost, is convenient to assemble and maintain, has remarkable practical value and popularization prospect, and is suitable for large-scale popularization and use.

[0036] As shown in Figure 1 The mine explosion-proof electronic watch further comprises at least one sealing plug 60, the sealing plug 60 is made of elastic insulating material, the sealing plug 60 is detachably arranged on the electronic watch body 10 and used for sealing the hole on the electronic watch body 10; the hole on the electronic watch body 10 comprises the charging port 12.

[0037] The sealing plug 60 is arranged to seal the charging port 12, the sealing property of the electronic watch body when not charging is ensured, dust and water in the underground environment are prevented from entering, meanwhile, the sealing plug is made of elastic insulating material, current leakage or short circuit can be effectively prevented.

[0038] As shown in Figure 1 The mine explosion-proof electronic watch further comprises at least one elastic rope 70, one end of the elastic rope 70 is connected with the sealing plug 60, the other end is connected with the external explosion-proof cover 20 or the electronic watch body 10, and the elastic rope 70 is used for preventing the sealing plug 60 from being lost when the sealing plug 60 is separated from the hole on the electronic watch body 10; the at least one elastic rope 70 corresponds to the at least one sealing plug 60 in one-to-one manner.

[0039] By setting the elastic rope 70, the sealing plug is prevented from being lost when it is separated from the charging port, further improving the convenience and safety of the sealing plug, avoiding the loss of the sealing plug in the complex environment underground, and ensuring the long-term explosion-proof and waterproof performance of the electronic watch body.

[0040] As shown in Figure 1 , the charging port 12 is located at the upper part of the electronic watch body 10, and one end of the elastic rope 70 is connected with the external explosion-proof cover 20; wherein, when the external explosion-proof cover 20 is in a state of covering the upper part of the electronic watch body 10, the elastic rope 70 and the sealing plug 60 are both located inside the external explosion-proof cover 20.

[0041] By designing the layout of the electronic watch, the charging port 12 is prevented from being directly exposed to the environment underground, and under the double protection of the external explosion-proof cover 20 and the explosion-proof shell 50, the safety of the charging port 12 is ensured, while the normal use of the electronic watch is not affected.

[0042] As shown in Figure 1 , the mine explosion-proof electronic watch further comprises an operation part 80, which is arranged on the external explosion-proof cover 20, and the external explosion-proof cover 20 is rotatably and detachably arranged on the electronic watch body 10; by operating the operation part 80, the external explosion-proof cover 20 is driven to rotate or is detached or installed on the electronic watch body 10.

[0043] By arranging the operation part 80 on the external explosion-proof cover 20, the rotation or disassembly of the external explosion-proof cover 20 is driven; the arrangement of the operation part makes the opening and closing of the external explosion-proof cover 20 more convenient, further optimizing the operation experience of the user in wearing and using the electronic watch underground.

[0044] As shown in Figure 2 and Figure 3 , the explosion-proof shell 50 covers the lower part and the side part of the electronic watch body 10, the external explosion-proof cover 20 covers the upper part of the electronic watch body 10 and covers the outer side part of the explosion-proof shell 50 to protect the explosion-proof shell 50; when the mine explosion-proof electronic watch is in a wearing state, the lower part of the explosion-proof shell 50 is used to contact the wearer; the explosion-proof transparent piece 30 protrudes outward, and the outer peripheral surface of the protruding part is a circular arc surface.

[0045] By arranging the external explosion-proof cover 20 to cover the upper part of the electronic watch body 10 and cover the outer side part of the explosion-proof shell 50 to protect the explosion-proof shell 50, the overall protection of the electronic watch body 10 is ensured, the explosion-proof shell 50 is used to contact the wearer, and the external explosion-proof cover 20 protects the explosion-proof shell 50 from external impact, the explosion-proof transparent piece 30 protrudes outward and the outer peripheral surface is a circular arc surface, making the appearance of the explosion-proof transparent piece 30 more beautiful and firm, while also reducing the damage probability of the explosion-proof transparent piece 30 when the watch directly collides with external objects during the operation underground.

[0046] In particular, the explosion-proof insulating material includes at least one of an epoxy resin material, a polytetrafluoroethylene material, a silicone rubber material, a polycarbonate material, a polyamide material, a ceramic material, and a glass fiber reinforced plastic; and / or, the explosion-proof transparent material includes at least one of a polycarbonate material, a polymethyl methacrylate material, tempered glass, sapphire crystal glass, a polysulfone material, and a polyether ether ketone material.

[0047] Optionally, the explosion-proof insulating material can have multiple options, 1. Epoxy resin: Epoxy resin is one of the commonly used insulating materials in mining equipment, which has good electrical insulation performance, high mechanical strength, chemical corrosion resistance and heat stability; In the explosion-proof watch, epoxy resin can also be used to fill and seal electrical components such as batteries, circuit boards, etc. to prevent internal electrical sparks from igniting the external explosive environment; 2. Polytetrafluoroethylene: Polytetrafluoroethylene, also known as Teflon, is a high-performance insulating material with extremely low friction coefficient, good chemical resistance and high temperature resistance, making it an ideal choice for electrical insulation in extreme environments; In the explosion-proof watch, polytetrafluoroethylene can also be used to make sealing rings, gaskets, or as a coating material to enhance the explosion-proof performance of the device; 3. Silicone rubber: Silicone rubber has excellent electrical insulation, heat resistance, weather resistance and chemical resistance, and also has certain elasticity and flexibility, which makes silicone rubber very popular in explosion-proof applications that require sealing and cushioning; In the explosion-proof watch, silicone rubber can also be used to make watchbands, watchcase sealing rings and other components to achieve good waterproof, dustproof and explosion-proof effects; 4. Polycarbonate: Polycarbonate is a high-performance engineering plastic with high impact strength, good transparency and weather resistance; In the mine explosion-proof watch, polycarbonate can also be used to make explosion-proof transparent parts 30, which can ensure transparency and provide sufficient mechanical strength and explosion-proof performance; 5. Polyamide: Polyamide has good mechanical properties and wear resistance, and is a commonly used engineering plastic; In the explosion-proof watch, polyamide (i.e. nylon material) can also be used to make watchbands, connectors, etc., providing durability and lightness, while also having certain insulation and explosion-proof effects; 6. Ceramic material: Ceramic material has extremely high insulation, heat resistance and corrosion resistance, but the relative cost is higher; In the explosion-proof watch, ceramic can also be used to make watch cases, watch dials, etc. to provide additional protection and explosion-proof performance; 7. Glass fiber reinforced plastic: This is a composite material that embeds glass fibers in a plastic matrix to improve the mechanical strength and heat resistance of the material; In the explosion-proof watch, glass fiber reinforced plastic can also be used to make watch cases or watchband buckles to provide lightness and solidity.

[0048] As Figure 1As shown, the electronic watch body 10 includes a watch body 13, a first watchband 14, a second watchband 15, and at least one connecting head 16; an external explosion-proof cover 20 is detachably arranged on the watch body 13, a time display area 11 is located at the upper part of the watch body 13, and the two ends of the connecting rope 40 are detachably connected with the external explosion-proof cover 20 and the second watchband 15 respectively; an explosion-proof shell 50 is detachably arranged at the lower part of the watch body 13; the at least one connecting head 16 is arranged on the first watchband 14; the second watchband 15 has a plurality of mounting holes 17, and the plurality of mounting holes 17 are arranged at intervals along the extension direction of the second watchband 15; the connecting head 16 is selectively matched with one of the mounting holes 17; wherein, when the electronic watch body 10 is in a wearing state, the first watchband 14 and the second watchband 15 simultaneously surround the wearing position to relatively fix the watch body 13 with the wearer; one end of the first watchband 14 with the connecting head 16 is pressed on one end of the second watchband 15 with the mounting hole 17, the connecting head 16 is inserted into the mounting hole 17, and is matched with the mounting hole 17.

[0049] By setting the number of connecting heads 16 to be multiple, the number of connecting points of the first watchband 14 and the second watchband 15 is increased, the connection stability of the first watchband 14 and the second watchband 15 is improved, the wearing of the electronic watch is more firm and comfortable, and meanwhile, through the cooperation of the connecting head and the plurality of mounting holes, the wearer can adjust the tightness of the watchband according to the wrist size, and the applicability and stability of the electronic watch on different wearers' wrists are ensured.

[0050] As shown in Figures 1 to 3 , the second watchband 15 also has a mounting groove 18, the mounting groove 18 is communicated with the plurality of mounting holes 17 respectively, and the extension direction of the mounting groove 18 is parallel to the extension direction of the second watchband 15; wherein, when the electronic watch body 10 is in a wearing state, one end of the connecting head 16 is inserted into the mounting hole 17 and located in the mounting groove 18, and the mounting groove 18 is used for accommodating the one end of the connecting head 16 inserted into the mounting hole 17, so that the connecting head 16 does not contact the wearer.

[0051] By setting the mounting groove 18 to accommodate the one end of the connecting head 16 inserted into the mounting hole 17, so that the connecting head 16 does not contact the wearer; this design not only further improves the comfort of wearing, prevents the discomfort or damage caused by the direct contact of the connecting head with the skin, but also ensures the stability of the watchband connection, and avoids the loosening or falling off of the connecting head during use.

[0052] As shown in Figure 2 , Figure 3 and Figure 4As shown, the connecting head 16 comprises a connecting rod 161 and an anti-off head 162, two ends of the connecting rod 161 are connected with the first watchband 14 and the anti-off head 162 respectively, and the anti-off head 162 has an arc surface at an end away from the connecting rod 161; the outer diameter of the connecting rod 161 is smaller than that of the anti-off head 162; the mounting hole 17 comprises a first hole 171 and a second hole 172 which are in communication with each other, the first hole 171 and the second hole 172 are arranged along the extension direction of the second watchband 15, and the diameter of the first hole 171 is smaller than that of the second hole 172; the second watchband 15 is made of elastic material, so that the diameters of the first hole 171 and the second hole 172 can be changed; wherein, when the electronic watch body 10 is worn, the anti-off head 162 and the connecting rod 161 are inserted into the second hole 172, the anti-off head 162 is located in the mounting groove 18, and the connecting rod 161 is moved along the extension direction of the second watchband 15 so as to enter the first hole 171 and limit the cooperation with the inner wall of the first hole 171, so as to relatively fix the first watchband 14 and the second watchband 15.

[0053] By setting the connecting head 16 to comprise the connecting rod 161 and the anti-off head 162, and the mounting hole 17 to comprise the first hole 171 and the second hole 172, this structure can make the first watchband 14 and the second watchband 15 more firmly connected, and the design of the anti-off head prevents accidental off of the watchband during use, ensuring firm wearing of the electronic watch, which can remain stable even when subjected to impact during underground operation.

[0054] Now the specific working process and principle of the utility model will be explained as follows:

[0055] In use, the first watchband 14 and the second watchband 15 are used to wear the watch on the wrist, the external explosion-proof cover 20 is buckled on the top of the explosion-proof shell 50, and the display content of the electronic watch body 10 can be seen through the explosion-proof transparent piece 30 on the top of the explosion-proof shell 50; the external explosion-proof cover 20, the explosion-proof shell 50 and the explosion-proof transparent piece 30 serve as explosion-proof measures, which can make the watch have good explosion-proof performance, meet the underground use requirements, and ensure good sealing performance, so that the electronic watch body 10 has good dustproof and waterproof performance; the top of the electronic watch body 10 is protected by the external explosion-proof cover 20, dust and water are isolated, and the top of the electronic watch body 10 is prevented from being damaged by impact and daily wear and tear during underground operation, effectively improving the service life of the electronic watch body 10, and further improving the service life of the electronic watch; the watch can meet the use requirements of underground explosion-proof function, and is convenient for underground workers to wear and use.

[0056] In summary, the utility model provides a kind of mine explosion-proof electronic watch, by setting up external explosion-proof cover 20, explosion-proof transparent piece 30, connecting rope 40 and explosion-proof shell 50 cooperation work, so that external explosion-proof cover 20, explosion-proof transparent piece 30 and explosion-proof shell 50 effectively protect and explosion-proof electronic watch body 10, electrical equipment inside once electrical or mechanical failure can produce fault spark, arc and abnormal temperature, so that electronic watch body 10 even produce spark, arc or abnormal temperature also can not ignite explosive material under mine, further avoid the occurrence of safety accident, can effectively satisfy the requirement of explosion-proof performance for special operating place such as coal mine;By setting explosion-proof transparent piece 30 adopts explosion-proof transparent material, external explosion-proof cover 20 and explosion-proof shell 50 adopt explosion-proof insulating material, so that mine explosion-proof electronic watch has the voltage resistance and explosion-proof performance of electronic watch body 10, the closed space formed by explosion-proof transparent piece 30, external explosion-proof cover 20 and explosion-proof shell 50 can withstand the explosion pressure of battery and other structures inside electronic watch body 10, prevent the breakdown of electric spark and arc and the spread of abnormal high temperature, avoid its initiation explosive material in coal mine explosion, effectively guarantee the use safety in inflammable and explosive environment such as coal mine;Subsequently, electronic watch body 10 can be provided in combination with existing intelligent wearable technology module, not only improve the functionality and intelligent degree of electronic watch body 10, but also ensure its stable operation in complex environment;The utility model provides a kind of mine explosion-proof electronic watch, has good explosion-proof function, can be used in the underground environment such as mining operation, overall design fully considers the actual watch demand of coal mine worker, provides powerful technical support for coal mine safety operation, structure is simple and low in cost, easy to assemble and subsequent maintenance, with remarkable practical value and popularization prospect, it is suitable for large-scale popularization and use.

[0057] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments consistent with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components and / or combinations thereof, but do not preclude the presence or addition of one or more other features, steps, operations, devices, components and / or combinations thereof.

[0058] The foregoing description, for purposes of explanation, sets forth specific values and arrangements of components and steps that are subject to many variations in the light of specific circumstances and / or material or workpiece shapes. Such examples, while indicating preferred embodiments, are not intended to limit or restrict the various concepts taught herein. It will be appreciated that the dimensions of the parts shown in the drawings are not necessarily to scale, and have been shown as such for illustrative purposes only. Techniques, methods, and apparatus known to those of ordinary skill in the art can not be discussed in detail, but are contemplated as being part of the specification, where appropriate. In all examples shown and discussed herein, any specific values are to be interpreted as merely illustrative of the examples, and not as a limitation thereon. Thus, other examples of the exemplary embodiments can have different values. It is noted that like numbers and letters on the figures identify like parts throughout the disclosure, and thus, once an item is defined in one figure, it is not necessary to discuss it further in connection with other figures where it is shown and / or discussed.

[0059] In the description of the present application, it is necessary to understand that the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, perpendicular, horizontal" and "top, bottom" and the like indicated orientation or position relationship is usually based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, without making the opposite statement, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the scope of protection of the present application; The orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0060] For the convenience of description, spatial relative terms such as "above", "upper", "on", "top", "bottom", etc. can be used herein to describe the spatial relationship of one device or feature to other devices or features as shown in the drawings. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawings. For example, if the device in the drawing is inverted, the device described as "above" or "on" other devices or structures will be positioned "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below" orientations. The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein are interpreted accordingly.

[0061] In addition, it should be noted that the use of the words "first", "second" and the like to describe various components is merely intended to facilitate the differentiation of the corresponding components, and the above words have no special meaning unless otherwise stated, therefore, it cannot be understood as a limitation on the scope of protection of the present application.

[0062] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A flameproof electronic watch for mining, characterized in that, The mine explosion-proof electronic watch comprises an electronic watch body (10), an external explosion-proof cover (20), an explosion-proof transparent piece (30), a connecting rope (40) and an explosion-proof shell (50); the explosion-proof transparent piece (30) is made of explosion-proof transparent material, the external explosion-proof cover (20) and the explosion-proof shell (50) are made of explosion-proof insulating material; the external explosion-proof cover (20) is detachably arranged on the electronic watch body (10), the external explosion-proof cover (20) is provided with an observation window, and the observation window is used for observing a time display area (11) of the electronic watch body (10); the explosion-proof transparent piece (30) is arranged on the observation window of the external explosion-proof cover (20) and is used for sealing the observation window; the explosion-proof shell (50) is detachably arranged at a lower part of the electronic watch body (10); two ends of the connecting rope (40) are detachably connected with the external explosion-proof cover (20) and the electronic watch body (10) respectively, and are used for preventing the external explosion-proof cover (20) from being lost when the external explosion-proof cover (20) is separated from the electronic watch body (10); wherein the external explosion-proof cover (20) covers an upper part and / or a side part of the electronic watch body (10) having the time display area (11), the explosion-proof shell (50) covers a lower part and / or a side part of the electronic watch body (10), and the external explosion-proof cover (20) is located outside the explosion-proof shell (50), so that the disassembly of the external explosion-proof cover (20) on the electronic watch body (10) does not affect the disassembly of the explosion-proof shell (50) on the electronic watch body (10). The mine explosion-proof electronic watch further comprises at least one sealing plug (60) made of elastic insulating material, which is detachably arranged on the electronic watch body (10) and is used for sealing a hole on the electronic watch body (10); the hole on the electronic watch body (10) comprises a charging port (12).

2. The flameproof electronic watch for mine use according to claim 1, characterised in that, The mine explosion-proof electronic watch further comprises at least one elastic rope (70), one end of which is connected with the sealing plug (60) and the other end of which is connected with the external explosion-proof cover (20) or the electronic watch body (10), and the elastic rope (70) is used for preventing the sealing plug (60) from being lost when the sealing plug (60) is separated from the hole on the electronic watch body (10); at least one elastic rope (70) corresponds to at least one sealing plug (60).

3. The flameproof electronic watch for mine use according to claim 2, characterised in that, The charging port (12) is located at an upper part of the electronic watch body (10), and one end of the elastic rope (70) is connected with the external explosion-proof cover (20); wherein, when the external explosion-proof cover (20) covers the upper part of the electronic watch body (10), the elastic rope (70) and the sealing plug (60) are located inside the external explosion-proof cover (20).

4. The flameproof electronic watch for mine use according to claim 3, characterised in that, ​ 5. The flameproof electronic watch for mine use according to claim 1, characterized in that, The mine explosion-proof electronic watch further comprises an operation part (80) arranged on the outer explosion-proof cover (20), which is rotatably and detachably arranged on the electronic watch body (10); the operation part (80) is operated to drive the outer explosion-proof cover (20) to rotate or to be detached from or mounted on the electronic watch body (10).

6. The flameproof electronic watch for mine use according to claim 1, characterized in that, The explosion-proof shell (50) covers the lower part and the side part of the electronic watch body (10), the outer explosion-proof cover (20) covers the upper part of the electronic watch body (10) and covers the outer side part of the explosion-proof shell (50) to protect the explosion-proof shell (50); the lower part of the explosion-proof shell (50) is used to contact the wearer when the mine explosion-proof electronic watch is in a wearing state; the explosion-proof transparent part (30) protrudes outward, and the outer circumferential surface of the protruding part is a circular arc surface.

7. The flameproof electronic watch for mine use according to claim 1, characterised in that, The electronic watch body (10) comprises a watch body (13), a first watch band (14), a second watch band (15) and at least one connecting head (16); the outer explosion-proof cover (20) is detachably arranged on the watch body (13), the time display area (11) is located on the upper part of the watch body (13), the two ends of the connecting rope (40) are detachably connected with the outer explosion-proof cover (20) and the second watch band (15) respectively; the explosion-proof shell (50) is detachably arranged on the lower part of the watch body (13); at least one connecting head (16) is arranged on the first watch band (14); the second watch band (15) has a plurality of mounting holes (17), and the plurality of mounting holes (17) are arranged at intervals along the extension direction of the second watch band (15); the connecting head (16) is selectively matched with one mounting hole (17); when the electronic watch body (10) is in a wearing state, the first watch band (14) and the second watch band (15) simultaneously surround the wearing position to relatively fix the watch body (13) with the wearer; one end of the first watch band (14) with the connecting head (16) is pressed on one end of the second watch band (15) with the mounting hole (17), the connecting head (16) is inserted into the mounting hole (17) and is matched with the mounting hole (17) in a clamping manner.

8. The flameproof electronic watch for mine use according to claim 7, characterised in that, The second watch band (15) further has a mounting groove (18) which is in communication with the plurality of mounting holes (17) respectively, and the extension direction of the mounting groove (18) is parallel to the extension direction of the second watch band (15); when the electronic watch body (10) is in a wearing state, one end of the connecting head (16) is inserted into the mounting hole (17) and is located in the mounting groove (18), and the mounting groove (18) is used to accommodate one end of the connecting head (16) inserted into the mounting hole (17) so that the connecting head (16) does not contact the wearer.

9. The flameproof electronic watch for mine use according to claim 8, characterised in that, The connecting head (16) comprises a connecting rod (161) and an anti-off head (162), two ends of the connecting rod (161) are connected with the first watchband (14) and the anti-off head (162) respectively, the anti-off head (162) has an arc surface at an end away from the connecting rod (161); the outer diameter of the connecting rod (161) is smaller than the outer diameter of the anti-off head (162); the mounting hole (17) comprises a first hole (171) and a second hole (172) which are communicated with each other, the first hole (171) and the second hole (172) are arranged along the extension direction of the second watchband (15), the hole diameter of the first hole (171) is smaller than the hole diameter of the second hole (172); the second watchband (15) is made of elastic material, so that the hole diameter of the first hole (171) and the hole diameter of the second hole (172) can be changed; when the electronic watch body (10) is worn, the anti-off head (162) and the connecting rod (161) are inserted into the second hole (172), the anti-off head (162) is located in the mounting groove (18), the connecting rod (161) is moved along the extension direction of the second watchband (15), so that the connecting rod (161) enters the first hole (171) and is limitedly matched with the inner wall of the first hole (171), so as to relatively fix the first watchband (14) and the second watchband (15).

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