CN211450360U - Explosion-proof device for vacuum heat-insulating container - Google Patents
Explosion-proof device for vacuum heat-insulating container Download PDFInfo
- Publication number
- CN211450360U CN211450360U CN201922490834.6U CN201922490834U CN211450360U CN 211450360 U CN211450360 U CN 211450360U CN 201922490834 U CN201922490834 U CN 201922490834U CN 211450360 U CN211450360 U CN 211450360U
- Authority
- CN
- China
- Prior art keywords
- explosion
- rectangular
- proof
- fixedly connected
- upper cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Thermal Insulation (AREA)
Abstract
The utility model discloses an explosion-proof equipment of vacuum insulation container, including explosion-proof barrel, explosion-proof barrel inner seal movable sleeve is equipped with the sprue, and the top of sprue extends to explosion-proof barrel's top and fixedly connected with upper cover, the cover is equipped with the protection casing on the explosion-proof barrel, and the rectangular channel has been seted up at one side top of explosion-proof barrel, and the fixedly connected with rectangular block on one side inner wall of protection casing, rectangular block clamp with the rectangular channel activity, first round platform shape groove has been seted up at the opposite side top of explosion-proof barrel, and first round platform shape piece that is equipped with in the groove. The utility model relates to a rationally, convenient to use, the setting of protection casing can shelter from the protection to the upper cover, injures the workman or loses after avoiding high temperature trouble upper cover to collapse out, and the security is high, and possesses the automatic function that moves the shutoff back after upper cover and sprue pop out, and the setting of double sealing can improve sealed effect, and is convenient for dismantle the protection casing fast so that later maintenance satisfies the user demand.
Description
Technical Field
The utility model relates to an explosion-proof technical field of vacuum insulation container especially relates to an explosion-proof equipment of vacuum insulation container.
Background
Since 2000 years, with the development of industry, more and more low-temperature vacuum heat-insulating containers are distributed in the market, and a series of problems of potential safety hazards of vacuum interlayers and short vacuum service life maintaining time and the like are caused along with the increase of the number of the low-temperature vacuum heat-insulating containers.
At present, most manufacturers in the market adopt vacuum heat-insulating container explosion-proof devices which mostly do not have the function of shielding and protecting an explosion-proof cover, so that the explosion-proof cover is easy to hurt workers or lose when in high-temperature fault, the safety is low, and the vacuum heat-insulating container explosion-proof devices mostly do not have the function of automatically moving back and plugging after the explosion-proof cover is popped out, are mostly single-channel sealed and cannot meet the use requirement, and therefore the vacuum heat-insulating container explosion-proof devices are provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an explosion-proof device for a vacuum heat-insulating container.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an explosion-proof device of a vacuum heat-insulating container comprises an explosion-proof barrel, wherein a blocking block is movably sleeved in the explosion-proof barrel in a sealing manner, the top of the blocking block extends to the upper part of the explosion-proof barrel and is fixedly connected with an upper cover, a protective cover is sleeved on the explosion-proof barrel, a rectangular groove is formed in the top of one side of the explosion-proof barrel, a rectangular block is fixedly connected to the inner wall of one side of the protective cover and movably clamped with the rectangular groove, a first round platform groove is formed in the top of the other side of the explosion-proof barrel, a round platform is arranged in the first round platform groove, a plurality of first balls are annularly nested on the outer side of the round platform block and are in rolling contact with the side wall of the first round platform groove, a T-shaped screw rod is fixedly connected to one side, away from the rectangular block, the protective cover is in threaded manner sleeved on the T-, a second circular truncated cone-shaped groove with an opening at the top is arranged on the side wall of the explosion-proof cylinder body, the outer side of the first sealing ring is in sealing movable contact with the side wall of the second circular truncated cone-shaped groove, the top of the upper cover is fixedly connected with two rectangular rods, a rectangular positioning sleeve is movably sleeved on the rectangular rod, a protective cover is fixedly sleeved on the two rectangular positioning sleeves, a fixing box with an opening at the bottom is arranged between the two rectangular positioning sleeves, the protective cover is fixedly sleeved on the fixing box, a spring is fixedly connected between the inner wall of the top of the fixing box and the top of the upper cover, a T-shaped pull rod is fixedly connected at the top of the upper cover, and the top of T shape pull rod runs through fixed box and extends to the top of fixed box, the first ring of one side top fixedly connected with of protection casing, the one side bottom fixedly connected with second ring of explosion-proof barrel, the same metal cord of fixedly connected with on second ring and the first ring.
Preferably, two second balls are nested on the inner walls of the four sides of the rectangular positioning sleeve, the rectangular rods are located between the eight corresponding second balls, and the second balls are in rolling contact with the outer sides of the corresponding rectangular rods.
Preferably, an annular groove is formed in the outer side of the blocking block, a second sealing ring is fixedly bonded in the annular groove, and the outer side of the second sealing ring is in close contact with the side wall of the anti-explosion barrel.
Preferably, a threaded hole is formed in the inner wall of the other side of the protective cover and is in threaded connection with the T-shaped screw.
Preferably, a through hole is formed in the inner wall of the top of the fixing box, the T-shaped pull rod is located in the through hole, and the side wall of the through hole is not in contact with the outer side of the T-shaped pull rod.
Preferably, two rectangular holes are formed in the inner wall of the top of the protective cover, and the side walls of the rectangular holes are fixedly connected with the outer sides of the corresponding rectangular positioning sleeves.
Preferably, a through hole is formed in the inner wall of the top of the protective cover, and the side wall of the through hole is fixedly connected with the outer side of the fixing box.
Preferably, the number of the first balls is two to four, and the two to four first balls are annularly arranged on the outer side of the circular truncated cone-shaped block.
Compared with the prior art, the beneficial effects of the utility model are that:
the bottom end of the explosion-proof cylinder body is welded on the outer shell of the vacuum heat-insulation container through the matching of the explosion-proof cylinder body, the blocking block, the upper cover, the spring, the rectangular rods, the second rolling balls, the second sealing rings and the first sealing ring with the second circular-truncated-cone-shaped groove, when the blocking block is broken due to the increase of gas pressure when the fault high temperature occurs, the blocking block drives the upper cover to move upwards and compress the spring, the upper cover drives the two rectangular rods to slide upwards between the corresponding eight second rolling balls respectively, after the temperature is reduced and the pressure is released, the spring in the compression state resets and drives the upper cover to move back downwards and reset, the upper cover drives the blocking block and the second sealing rings to downwards insert into the explosion-proof cylinder body, the upper cover also drives the first sealing rings to be pressed on the side walls of the second circular-truncated-cone-shaped groove, and the sealing effect can be improved;
the T-shaped screw rod, the round platform-shaped block, the first ball, the first round platform-shaped groove, the threaded hole, the T-shaped pull rod, the spring, the upper cover, the blocking block, the protective cover, the rectangular block and the rectangular groove are matched with the metal soft rope, when the metal soft rope is disassembled, the reverse rotation T-shaped screw rod drives a plurality of first balls to roll on the side wall of the first circular truncated cone-shaped groove through the circular truncated cone-shaped block, under the effect of screw hole, T shape screw rod rotates and moves right, T shape screw rod drives the round platform piece and shifts out from first round platform inslot, upwards stimulate T shape pull rod this moment and drive the upper cover rebound and compress the spring, the upper cover moves the sprue and upwards takes out from explosion-proof barrel, whole removal protection casing left this moment, the protection casing drives the rectangular block and shifts out to the left from the rectangular channel, alright rebound protection casing and explosion-proof barrel separation this moment, reach the purpose of convenient quick dismantlement protection casing, the phenomenon of losing can avoid dropping after tearing open the protection casing of metal cord.
The utility model relates to a rationally, convenient to use, the setting of protection casing can shelter from the protection to the upper cover, injures the workman or loses after avoiding high temperature trouble upper cover to collapse out, and the security is high, and possesses the automatic function that moves the shutoff back after upper cover and sprue pop out, and the setting of double sealing can improve sealed effect, and is convenient for dismantle the protection casing fast so that later maintenance satisfies the user demand.
Drawings
Fig. 1 is a schematic structural view of an explosion-proof device for a vacuum heat-insulating container according to the present invention;
fig. 2 is a schematic cross-sectional structural view of an explosion-proof device for a vacuum heat-insulating container according to the present invention;
FIG. 3 is a schematic view of the structure of part A in FIG. 2;
FIG. 4 is a perspective view of the upper cover and the block connecting piece of the explosion-proof device for vacuum heat-insulating container according to the present invention;
fig. 5 is a perspective view of a round block and a first ball connection member of an explosion-proof device for a vacuum insulated container according to the present invention.
In the figure: 1 explosion-proof cylinder, 2 protection casing, 3 rectangular channel, 4 rectangular block, 5T shape pull rod, 6 perforation, 7 first round platform groove, 8 round platform shape piece, 9 first ball, 10T shape screw rod, 11 upper cover, 12 sprue, 13 second round platform groove, 14 first sealing washer, 15 ring channel, 16 second sealing washer, 17 rectangular rod, 18 rectangle position sleeve, 19 fixed box, 20 springs, 21 second ball, 22 first ring, 23 second ring, 24 soft rope of metal, 25 screw hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-5, an explosion-proof device for a vacuum heat-insulating container comprises an explosion-proof cylinder 1, wherein a blocking block 12 is movably sleeved in the explosion-proof cylinder 1 in a sealing manner, the top of the blocking block 12 extends to the upper side of the explosion-proof cylinder 1 and is fixedly connected with an upper cover 11, a protective cover 2 is sleeved on the explosion-proof cylinder 1, a rectangular groove 3 is formed in the top of one side of the explosion-proof cylinder 1, a rectangular block 4 is fixedly connected to the inner wall of one side of the protective cover 2, the rectangular block 4 is movably clamped with the rectangular groove 3, a first circular truncated cone-shaped groove 7 is formed in the top of the other side of the explosion-proof cylinder 1, a circular truncated cone-shaped block 8 is arranged in the first circular truncated cone-shaped groove 7, a plurality of first balls 9 are annularly nested on the outer side of the circular truncated cone-shaped block 8, the first balls 9 are in rolling contact with the side wall, a first sealing ring 14 which is in movable contact with the upper cover 11 is movably sleeved on the plugging block 12, a second circular truncated cone-shaped groove 13 with an opening at the top is formed in the side wall of the explosion-proof cylinder body 1, the outer side of the first sealing ring 14 is in movable contact with the side wall of the second circular truncated cone-shaped groove 13 in a sealing manner, two rectangular rods 17 are fixedly connected to the top of the upper cover 11, rectangular positioning sleeves 18 are movably sleeved on the rectangular rods 17, the protective cover 2 is fixedly sleeved on the two rectangular positioning sleeves 18, a same fixing box 19 with an opening at the bottom is arranged between the two rectangular positioning sleeves 18, the protective cover 2 is fixedly sleeved on the fixing box 19, a same spring 20 is fixedly connected between the inner wall of the top of the fixing box 19 and the top of the upper cover 11, a T-shaped pull rod 5 is fixedly connected to the top of the upper cover 11, the top of the T-shaped pull rod 5 penetrates through the fixing box 19 and extends to the upper side, one side bottom fixedly connected with second ring 23 of explosion-proof barrel 1, the same metal cord 24 of fixedly connected with on second ring 23 and the first ring 22, the utility model relates to a rationally, convenient to use, protection casing 2 set up can shelter from the protection to upper cover 11, injures the workman or loses after avoiding high temperature trouble upper cover 11 to collapse out, and the security is high, and possesses the automatic function that moves the shutoff back after upper cover 11 and sprue 12 pop out, and the setting of two-way sealing can improve sealed effect, and is convenient for dismantle protection casing 2 fast so that later maintenance satisfies the user demand.
In the utility model, two second balls 21 are nested on the inner walls of four sides of the rectangular positioning sleeve 18, the rectangular rod 17 is positioned between the eight corresponding second balls 21, the second balls 21 are in rolling contact with the outer side of the corresponding rectangular rod 17, the annular groove 15 is arranged on the outer side of the block 12, a second sealing ring 16 is fixedly bonded in the annular groove 15, the outer side of the second sealing ring 16 is in close contact with the side wall of the explosion-proof cylinder 1, the inner wall of the other side of the protection cover 2 is provided with a threaded hole 25, the threaded hole 25 is in threaded connection with the T-shaped screw rod 10, the inner wall of the top of the fixing box 19 is provided with a perforation 6, the T-shaped pull rod 5 is positioned in the perforation 6, the side wall of the perforation 6 is not in contact with the outer side of the T-shaped pull rod 5, the inner wall of the top of the protection cover 2 is provided with two rectangular holes, the side wall of the rectangular hole is fixedly connected, and the lateral wall of through-hole and the outside fixed connection of fixed box 19, the quantity of first ball 9 is two to four, and two to four first ball 9 are the annular setting in the outside of round platform shape piece 8, the utility model relates to a rationally, convenient to use, protection casing 2 set up can shelter from the protection to upper cover 11, avoids high temperature trouble upper cover 11 to collapse out the back and injures the workman or lose, and the security is high, and possesses the function that upper cover 11 and sprue 12 popped out the automatic shutoff that moves back after, and the sealed setting of double track can improve sealed effect, and is convenient for dismantle protection casing 2 fast so that later maintenance satisfies the user demand.
The working principle is as follows: when the explosion-proof vacuum heat-insulating container is used, the bottom end of the explosion-proof cylinder body 1 can be welded on the outer shell body of the vacuum heat-insulating container, so that the outer shell body of the vacuum heat-insulating container is communicated with the explosion-proof cylinder body 1, when the gas pressure at the bottom of the block 12 is increased when the high temperature occurs, and the block 12 is caused to burst out of the explosion-proof cylinder body 1, the block 12 drives the upper cover 11 to move upwards, the upper cover 11 drives the two rectangular rods 17 to move upwards, the rectangular rods 17 slide upwards between the corresponding eight second balls 21, the arrangement of the second balls 21 can reduce the friction force generated in the movement of the rectangular rods 17 while positioning the rectangular rods 17, so as to achieve smooth movement and avoid the blocking phenomenon, the spring 20 is compressed when the upper cover 11 moves upwards, after the temperature is reduced, the spring 20 in the compressed state resets and drives the pressure-releasing upper cover 11 to move backwards and reset downwards, the upper cover 11 drives the block 12 to be inserted, the blocking block 12 drives the second sealing ring 16 to insert against the inner wall of the explosion-proof cylinder body 1, meanwhile, the upper cover 11 drives the first sealing ring 14 to be tightly pressed on the side wall of the second circular truncated cone-shaped groove 13, and under the double sealing of the first sealing ring 14 and the second sealing ring 16, the sealing effect can be improved, so that the automatic moving back and blocking can be conveniently realized after the upper cover 11 and the blocking block 12 are collapsed;
when the explosion-proof barrel is disassembled, the T-shaped screw rod 10 is rotated reversely, the T-shaped screw rod 10 drives the circular truncated cone-shaped block 8 to rotate, the circular truncated cone-shaped block 8 drives a plurality of first balls 9 to roll on the side wall of the first circular truncated cone-shaped groove 7, the T-shaped screw rod 10 rotates and moves rightwards under the action of the threaded hole 25, the T-shaped screw rod 10 drives the circular truncated cone-shaped block 8 to move out of the first circular truncated cone-shaped groove 7, the T-shaped pull rod 5 is pulled upwards to drive the upper cover 11 to move upwards and compress the spring 20, the upper cover 11 drives the block 12 to be drawn out of the explosion-proof barrel 1 upwards, the whole body moves the protection cover 2 leftwards, the protection cover 2 drives the rectangular block 4 to move leftwards from the rectangular groove 3, the protection cover 2 can be moved upwards, the protection cover 2 is separated from the explosion-proof barrel 1, the disassembly is completed, and the protection, convenient quick dismantlement protection casing 2 of being convenient for makes things convenient for later maintenance.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. An explosion-proof device of a vacuum heat-insulating container comprises an explosion-proof barrel body (1), wherein a blocking block (12) is movably sleeved in the explosion-proof barrel body (1) in a sealing manner, the top of the blocking block (12) extends to the upper side of the explosion-proof barrel body (1) and is fixedly connected with an upper cover (11), the explosion-proof barrel body (1) is sleeved with a protective cover (2), a rectangular groove (3) is formed in the top of one side of the explosion-proof barrel body (1), a rectangular block (4) is fixedly connected to the inner wall of one side of the protective cover (2), the rectangular block (4) is movably clamped with the rectangular groove (3), a first circular truncated cone-shaped groove (7) is formed in the top of the other side of the explosion-proof barrel body (1), a circular truncated cone-shaped block (8) is arranged in the first circular truncated cone-shaped groove (7), a plurality of first balls (9) are nested in an annular manner on the outer side of the circular truncated, one side of the circular truncated cone-shaped block (8) far away from the rectangular block (4) is fixedly connected with a T-shaped screw rod (10), a protective cover (2) is sleeved on the T-shaped screw rod (10) in a threaded manner, a first sealing ring (14) which is in movable contact with an upper cover (11) is movably sleeved on the blocking block (12), a second circular truncated cone-shaped groove (13) with an opening at the top is formed in the side wall of the explosion-proof cylinder body (1), the outer side of the first sealing ring (14) is in movable contact with the side wall of the second circular truncated cone-shaped groove (13) in a sealing manner, two rectangular rods (17) are fixedly connected with the top of the upper cover (11), rectangular positioning sleeves (18) are movably sleeved on the rectangular rods (17), the protective cover (2) is fixedly sleeved on the two rectangular positioning sleeves (18), a same fixing box (19) with an opening at the bottom is arranged between the two rectangular positioning sleeves (18, the utility model discloses a protection casing, including fixed box (19), the top of upper cover (11) and the top of fixed box (19) and the top of upper cover (11) between the same spring (20) of fixedly connected with, the top fixedly connected with T shape pull rod (5) of upper cover (11), and the top of T shape pull rod (5) runs through fixed box (19) and extends to the top of fixed box (19), the first ring of one side top fixedly connected with (22) of protection casing (2), one side bottom fixedly connected with second ring (23) of explosion-proof barrel (1), the same metal cord (24) of fixedly connected with on second ring (23) and first ring (22).
2. The explosion-proof device for the vacuum insulation container according to claim 1, wherein two second balls (21) are nested on the four side inner walls of the rectangular positioning sleeve (18), the rectangular rods (17) are located between the eight corresponding second balls (21), and the second balls (21) are in rolling contact with the outer sides of the corresponding rectangular rods (17).
3. The explosion-proof device of the vacuum heat-insulating container according to claim 1, wherein an annular groove (15) is formed on the outer side of the block (12), a second sealing ring (16) is fixedly bonded in the annular groove (15), and the outer side of the second sealing ring (16) is in close contact with the side wall of the explosion-proof cylinder (1).
4. The explosion-proof device for the vacuum heat-insulating container according to claim 1, wherein a threaded hole (25) is formed in the inner wall of the other side of the protective cover (2), and the threaded hole (25) is in threaded connection with the T-shaped screw (10).
5. The explosion-proof device for the vacuum heat-insulating container according to claim 1 is characterized in that a through hole (6) is formed on the inner wall of the top of the fixing box (19), the T-shaped pull rod (5) is positioned in the through hole (6), and the side wall of the through hole (6) is not in contact with the outer side of the T-shaped pull rod (5).
6. The explosion-proof device for the vacuum heat-insulating container according to claim 1, wherein the top inner wall of the protective cover (2) is provided with two rectangular holes, and the side walls of the rectangular holes are fixedly connected with the outer sides of the corresponding rectangular positioning sleeves (18).
7. The explosion-proof device for the vacuum heat-insulating container according to claim 1, wherein the top inner wall of the protective cover (2) is provided with a through hole, and the side wall of the through hole is fixedly connected with the outer side of the fixing box (19).
8. The explosion-proof device of a vacuum insulation container according to claim 1, wherein the number of the first balls (9) is two to four, and the two to four first balls (9) are annularly arranged at the outer side of the circular truncated cone block (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922490834.6U CN211450360U (en) | 2019-12-19 | 2019-12-19 | Explosion-proof device for vacuum heat-insulating container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922490834.6U CN211450360U (en) | 2019-12-19 | 2019-12-19 | Explosion-proof device for vacuum heat-insulating container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211450360U true CN211450360U (en) | 2020-09-08 |
Family
ID=72296772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922490834.6U Active CN211450360U (en) | 2019-12-19 | 2019-12-19 | Explosion-proof device for vacuum heat-insulating container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211450360U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110906165A (en) * | 2019-12-19 | 2020-03-24 | 张腾 | Explosion-proof device for vacuum heat-insulating container |
| CN110925789A (en) * | 2019-12-12 | 2020-03-27 | 滕州市华正软接头有限公司 | Gravity explosion-proof door for pulverized coal bunker |
| CN112696606A (en) * | 2020-10-29 | 2021-04-23 | 江苏凡煜机械科技有限公司 | High-pressure tank with automatic over-high pressure release structure |
| CN114216054A (en) * | 2021-12-23 | 2022-03-22 | 北京三盈联合石油技术有限公司 | LNG adds mechanism of qi and LNG gas station |
-
2019
- 2019-12-19 CN CN201922490834.6U patent/CN211450360U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110925789A (en) * | 2019-12-12 | 2020-03-27 | 滕州市华正软接头有限公司 | Gravity explosion-proof door for pulverized coal bunker |
| CN110925789B (en) * | 2019-12-12 | 2022-08-02 | 滕州市华正软接头有限公司 | Gravity explosion-proof door for pulverized coal bunker |
| CN110906165A (en) * | 2019-12-19 | 2020-03-24 | 张腾 | Explosion-proof device for vacuum heat-insulating container |
| CN110906165B (en) * | 2019-12-19 | 2024-06-18 | 山东中杰特种装备股份有限公司 | Explosion-proof device of vacuum heat-insulating container |
| CN112696606A (en) * | 2020-10-29 | 2021-04-23 | 江苏凡煜机械科技有限公司 | High-pressure tank with automatic over-high pressure release structure |
| CN112696606B (en) * | 2020-10-29 | 2024-01-09 | 江苏凡煜机械科技有限公司 | High-pressure tank with automatic release structure for excessive pressure |
| CN114216054A (en) * | 2021-12-23 | 2022-03-22 | 北京三盈联合石油技术有限公司 | LNG adds mechanism of qi and LNG gas station |
| CN114216054B (en) * | 2021-12-23 | 2023-03-10 | 北京三盈联合石油技术有限公司 | LNG adds mechanism of qi and LNG gas station |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211450360U (en) | Explosion-proof device for vacuum heat-insulating container | |
| CN110906165A (en) | Explosion-proof device for vacuum heat-insulating container | |
| CN112331459A (en) | Transformer fire extinguishing device capable of quickly relieving pressure and enabling transformer oil to flow back | |
| CN112354111A (en) | Quick fire extinguishing device | |
| CN107254986B (en) | One kind being based on the reusable anti-inversion telegraph pole of air pressure | |
| CN110145693B (en) | Automatic isolation pipeline for preventing natural gas explosion | |
| CN206672732U (en) | Arrester | |
| CN105736804A (en) | Multifunctional container valve | |
| CN206466465U (en) | A kind of vacuum crisper | |
| CN211468900U (en) | Fire extinguisher safety pressure device | |
| CN206861035U (en) | A kind of valve assembly of portable water base fire extinguishing device | |
| CN104192283A (en) | Micro self-rescuing device used in drowning | |
| CN209386016U (en) | A kind of device of anti-leakage of compressed gas | |
| CN213058259U (en) | Side-pressing type quick-opening cover | |
| CN208220830U (en) | A kind of mine ventilation explosion-proof well cover device | |
| CN202614597U (en) | Water pressure test chuck of dry powder bottle barrel free body | |
| CN208821768U (en) | The triggering needle of air heave type motorcycle crash safety clothes emergency pneumatic trigger device | |
| CN206675857U (en) | A kind of hand-held perfluorethyl isopropyl ketone extinguishing device | |
| CN108438484B (en) | A kind of charging pipe applied to sealing ring packaging | |
| CN208509442U (en) | A kind of communication equipment provisional protection cover | |
| CN202961589U (en) | Bottle valve for dry powder extinguishing device | |
| CN203714514U (en) | Storage tank anti-explosion exhaust device | |
| CN207309950U (en) | A kind of barrier clearing device of fire-fighting robot | |
| CN207301016U (en) | Multi-function gas relay gas recovery test device | |
| CN102232787A (en) | Pressure-relieving explosionproof safety device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210303 Address after: No.2218 Jinan Road, Heze Development Zone, Shandong Province Patentee after: Shandong Zhongjie special equipment Co.,Ltd. Address before: 274000 No. 502, unit 6, building 2, 989 dongshuncheng street, Mudan District, Heze City, Shandong Province Patentee before: Zhang Teng |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An explosion-proof device for vacuum insulated container Effective date of registration: 20230113 Granted publication date: 20200908 Pledgee: Heze Branch of Postal Savings Bank of China Ltd. Pledgor: Shandong Zhongjie special equipment Co.,Ltd. Registration number: Y2023980030874 |