CN114459440A - Handheld range finder - Google Patents
Handheld range finder Download PDFInfo
- Publication number
- CN114459440A CN114459440A CN202111673859.5A CN202111673859A CN114459440A CN 114459440 A CN114459440 A CN 114459440A CN 202111673859 A CN202111673859 A CN 202111673859A CN 114459440 A CN114459440 A CN 114459440A
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- metal
- rod
- main part
- metal pole
- groove
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- 239000002184 metal Substances 0.000 claims abstract description 127
- 230000000694 effects Effects 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
- H02G13/80—Discharge by conduction or dissipation, e.g. rods, arresters, spark gaps
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Elimination Of Static Electricity (AREA)
Abstract
The utility model belongs to the technical field of distancer and specifically relates to a hand-held type distancer is related to, it is including the main part, be provided with first metal pole on the main part lateral wall, still be provided with the second metal pole on the main part lateral wall, the second metal pole is the symmetry with first metal pole and sets up on the mutual lateral wall back of the body court of main part, first metal pole is circumference with the second metal pole and encircles continuously outside the main part, be provided with the insulating support pole between first metal pole and the main part lateral wall. This application has the effect that reduces the probability that remaining electric current caused the damage to the distancer on the lightning-arrest equipment.
Description
Technical Field
The application relates to the field of range finders, in particular to a handheld range finder.
Background
With the development of our society, people's safety consciousness is higher and higher, and thunder and lightning also attaches more importance to the safety of building lightning protection as a common natural disaster which has great harm.
A plurality of lightning protection devices are usually installed on a building, and a distance meter is a device for assisting the installation of the lightning protection devices, so that the lightning protection devices are installed on the correct positions by measuring the distance between the lightning protection devices, and the probability of mutual interference between the lightning protection devices is reduced.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: when lightning-arrest equipment breaks down and changes the installation, the staff need put the distancer and measure the distance between the lightning-arrest equipment of newly installing on the lightning-arrest equipment that does not break down, if the lightning-arrest equipment in use discharges thoroughly before measuring, and the electric current on the lightning-arrest equipment will cause the damage to the distancer.
Disclosure of Invention
In order to improve, if lightning-arrest equipment discharges thoroughly before the measurement, the problem of damage will be caused to the distancer to the electric current on the lightning-arrest equipment, this application provides a hand-held type distancer.
The application provides a hand-held type distancer adopts following technical scheme:
the utility model provides a hand-held type distancer, including the main part, be provided with first metal pole on the main part lateral wall, still be provided with the second metal pole on the main part lateral wall, the second metal pole is the symmetry with first metal pole and sets up on the mutual lateral wall back of the body court of main part, first metal pole is circumference with the second metal pole and encircles and link to each other outside the main part, be provided with insulating support rod between first metal pole and the main part lateral wall.
Through adopting above-mentioned technical scheme, when the staff put the main part on the lightning-arrest equipment, the main part lateral wall at second metal pole place is towards the lightning-arrest equipment, make second metal pole and lightning-arrest equipment contact, if there is remaining electricity on the lightning-arrest equipment, make remaining electric current on the lightning-arrest equipment flow in the conductive loop that first metal pole and second metal pole formed through the second metal pole with the lightning-arrest equipment contact, the probability of electric current through the main part has been reduced, and first metal pole passes through the insulating support pole and installs in the main part, electric current process main part has further been reduced, thereby cause the probability of damage to the main part, play the guard action to the main part, the life of main part has been prolonged.
Optionally, a loop bar is arranged on the first metal bar, a loop groove for the loop bar to insert and slide is arranged on the second metal bar, the second metal bar slides along the length direction of the loop bar towards the direction far away from or close to the first metal bar, a permanent magnet is arranged at the end of the loop bar, and an electromagnet mutually exclusive with the permanent magnet is arranged at the bottom of the loop groove.
Through adopting above-mentioned technical scheme, when the circular telegram of second metal pole, electric current will make the electro-magnet produce magnetism through the electro-magnet, because the end polarity that electro-magnet and permanent magnet faced each other is opposite, thereby lead to producing repulsive force of mutual repulsion between electro-magnet and the permanent magnet, thereby make the second metal pole pop out towards the direction of keeping away from the main part, thereby jack-up the main part towards the direction of keeping away from lightning equipment, the distance between main part and the lightning equipment has been increased, further protect function has been played to the main part, the probability that the main part received residual current's influence on the lightning equipment has been reduced.
Optionally, be provided with control flume and spread groove in the main part, the control flume is linked together with the spread groove, it has the control lever to slide in the control flume, the control lever tip is contradicted with the second metal pole, it has the pull rod that supplies the staff to stimulate to slide in the spread groove, be provided with the draw-in groove on the pull rod, the tip of control lever inserts and the joint is in the draw-in groove, be provided with first spring between pull rod lateral wall and the spread groove diapire, first spring is flexible along the degree of depth direction of spread groove.
Through adopting above-mentioned technical scheme, come the control lever top in the draw-in groove through the second metal pole, make the pull rod be difficult to pop out, when the second metal pole slides towards the direction of keeping away from the main part, the second metal pole has removed the spacing to the control lever, the control lever will be followed the control groove and slided out under the effect of gravity, the tip roll-off in the draw-in groove is followed to the tip of control lever this moment, thereby the spacing of control lever to the pull rod has been removed, the pull rod will pop out in following the spread groove under the spring action of first spring, staff alright come the main part to take off from lightning-arrest equipment through the pull rod this moment, at ordinary times, the pull rod is convenient for receive in the main part, staff's operation has been made things convenient for.
Optionally, a plurality of anti-slip threads are arranged on the pull rod, and the sliding direction of the pull rod is perpendicular to the sliding direction of the second metal rod.
Through adopting above-mentioned technical scheme, through seting up of anti-skidding line, increased the area of contact between pull rod and the staff, increased the frictional force between pull rod lateral wall and the staff, reduced the probability that the staff takes off one's hand.
Optionally, the control rod is connected to the outer side wall of the second metal rod, and the sliding direction of the control rod in the control groove is the same as the sliding direction of the second metal rod.
Through adopting above-mentioned technical scheme, through connecting the control lever on second metal pole lateral wall for the second metal pole directly drives the control lever and slides, has reduced the control lever and has been pressed from both sides in the draw-in groove under the elastic force effect of first spring, and leads to the probability that the control lever is difficult to follow roll-off in the draw-in groove, makes the work of control lever more reliable.
Optionally, an embedding groove is formed in the side wall of the main body, and the second metal rod is embedded in the embedding groove.
Through adopting above-mentioned technical scheme, establish in the caulking groove through inlaying the second metal pole, reduced the protrusion of second metal pole outside the main part lateral wall height, reduced the probability that causes the influence when the second metal pole uses the main part to carry out the range finding to the staff, make the operation that the staff used the main part more smooth and easy.
Optionally, a self-locking assembly is arranged on the loop bar, and after the second metal bar slides in a direction away from the first metal bar, the self-locking assembly locks a position between the second metal bar and the first metal bar, so that the second metal bar is difficult to reset.
Through adopting above-mentioned technical scheme, after the direction that the second metal pole was kept away from the main part slided out the certain distance, the auto-lock subassembly will make the second metal pole locking on first metal pole, whether will be switched on and whether the magnetic force of electro-magnet changes this moment by the electro-magnet, position between second metal pole and the first metal pole all is difficult to change, it is undulant to have reduced because of the electric fluctuation of remaining on the lightning-arrest equipment, and the magnetic force size that leads to the electro-magnet fluctuates, thereby make the distance between electro-magnet and the permanent magnet change, thereby lead to the distance between second metal pole and the main part to take place undulant probability, the stability of main part has been improved.
Optionally, a sliding groove is formed in the loop bar, the self-locking assembly comprises a sliding block sliding in the sliding groove, a second spring is arranged between the sliding block bottom wall and the sliding groove bottom wall, the second spring stretches along the depth direction of the sliding groove, a slot is formed in the inner wall of the loop groove, when the loop bar slides for a certain distance towards the outside of the loop groove, the sliding block can be inserted into the slot, and the slot penetrates through the outer side wall of the second metal rod from the inner wall of the loop groove.
Through adopting above-mentioned technical scheme, insert to the slot through the slider in, realized the locking between loop bar and the cover groove, when the staff need relieve the lock, staff's accessible slot comes the slider to press towards the spout in to make the slider deviate from in the slot, made things convenient for the operation.
In summary, the present application includes at least one of the following beneficial technical effects:
when the staff put the main part on lightning-arrest equipment, the main part lateral wall at second metal pole place is towards lightning-arrest equipment, make second metal pole and lightning-arrest equipment contact, if there is remaining electricity on the lightning-arrest equipment, make remaining electric current on the lightning-arrest equipment flow into the conductive loop that first metal pole and second metal pole formed through the second metal pole with the lightning-arrest equipment contact, the probability of electric current through the main part has been reduced, and first metal pole passes through the insulating support pole and installs in the main part, the electric current process main part has further been reduced, thereby cause the probability of damage to the main part, protect to the main part has been played, the life of main part has been prolonged.
After the second metal pole slided out certain distance towards the direction of keeping away from the main part, the auto-lock subassembly will make the second metal pole locking on first metal pole, whether this moment will be no matter whether the electro-magnet is circular telegram and whether the magnetic force of electro-magnet produces the change, position between second metal pole and the first metal pole all is difficult to change, it is undulant to have reduced because of the electric fluctuation of remaining on the lightning protection equipment, and the magnetic force size that leads to the electro-magnet fluctuates, thereby make the distance between electro-magnet and the permanent magnet change, thereby lead to the distance between second metal pole and the main part to take place undulant probability, the stability of main part has been improved.
Drawings
Fig. 1 is a schematic diagram of an overall structure of a handheld range finder in an embodiment of the present application.
Fig. 2 is a schematic diagram of the exploded structure of fig. 1.
Fig. 3 is an enlarged schematic view of a structure at a in fig. 2.
Fig. 4 is a schematic view highlighting the exploded structure of the first spring.
Fig. 5 is an enlarged schematic view of B in fig. 4.
Description of reference numerals: 1. a main body; 11. a first metal rod; 12. a second metal rod; 13. an insulating support rod; 14. a loop bar; 15. sleeving a groove; 16. a permanent magnet; 17. an electromagnet; 18. caulking grooves; 2. a control slot; 21. connecting grooves; 22. a control lever; 23. a pull rod; 24. a card slot; 25. a first spring; 3. anti-skid lines; 4. a self-locking assembly; 41. a chute; 42. a slider; 43. a second spring; 44. and (4) a slot.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment 1 of the application discloses a handheld range finder. Referring to fig. 1, the handheld range finder includes a main body 1, four insulation support rods 13 fixedly connected to the main body 1, the length direction of the insulation support rods 13 extends towards the direction away from the side wall of the main body 1, every two insulation support rods 13 are a set, and the insulation support rods 13 of each set are fixedly connected to the same first metal rod 11 on the side wall of the end portion away from the main body 1. Still install two second metal poles 12 on the main part 1 lateral wall, second metal pole 12 is installed on the mutual lateral wall back to forth of main part 1 with first metal pole 11 for the symmetry, and first metal pole 11 and second metal pole 12 one-to-one and circumference encircle and link to each other outside main part 1. The side wall of the main body 1 is provided with an embedding groove 18, the embedding groove 18 is used for embedding the second metal rod 12, and the diameter of the first metal rod 11 is larger than the depth of the embedding groove 18.
Referring to fig. 1, in the present embodiment, the first metal rod 11 and the second metal rod 12 are made of a conductive metal material, and the insulating support rod 13 is made of a hard insulating material.
Referring to fig. 2 and 3, a loop bar 14 is fixedly connected to both end portions of the first metal bar 11, and a length direction of the loop bar 14 extends along a length direction of an end portion of the first metal bar 11 where the loop bar 14 is located. Both ends of the second metal rod 12 are provided with a sleeve groove 15 for the sleeve rod 14 to insert and slide, the depth direction of the sleeve groove 15 extends along the length direction of the end of the second metal rod 12 where the sleeve groove 15 is located, and the depth direction of the sleeve groove 15 is the same as the length direction of the sleeve rod 14. In this embodiment, the loop bar 14 is made of a conductive metal material.
Referring to fig. 3, the second metal rod 12 slides along the length direction of the loop bar 14 in a direction away from or close to the first metal rod 11, a permanent magnet 16 is fixedly connected to the end portion of the loop bar 14 away from the first metal rod 11, an electromagnet 17 is fixedly connected to the bottom wall of the loop groove 15 away from the loop bar 14, and the polarities of the facing end portions of the electromagnet 17 and the permanent magnet 16 are the same, so that the electromagnet 17 and the permanent magnet 16 generate mutually exclusive force after being electrified.
Referring to fig. 3, fixedly connected with stopper on the loop bar 14 lateral wall, offered on the sleeve groove 15 inner wall and supplied the stopper to insert and gliding spacing groove, the length direction of spacing groove extends along the slip direction of loop bar 14 in sleeve groove 15, when the distance of loop bar 14 towards the outer roll-off of sleeve groove 15 reached the threshold value, the stopper will contradict on the spacing inslot wall, makes loop bar 14 be difficult to break away from in sleeve groove 15.
Referring to fig. 4 and 5, the main body 1 is provided with a control groove 2 and a connecting groove 21, the control groove 2 is communicated with the connecting groove 21, a control rod 22 is slid in the control groove 2, the length direction of the control groove 2 is connected with the length direction of the second metal rod 12, the control rod 22 slides along the length direction of the control groove 2, and the side wall of the end portion of the control rod 22 facing the second metal rod 12 is fixedly connected with the second metal rod 12, so that the second metal rod 12 drives the control rod 22 to slide, and the sliding direction of the control rod 22 is the same as the sliding direction of the second metal rod 12.
Referring to fig. 4 and 5, the side wall of the main body 1 where the opening surface of the connecting groove 21 is located is not provided with the first metal rod 11 and the second metal rod 12, the connecting groove 21 is internally provided with a pull rod 23 for pulling by a worker, the pull rod 23 is provided with a clamping groove 24 for inserting and clamping the end of the control rod 22, a first spring 25 is fixedly connected between the side wall of the pull rod 23 and the bottom wall of the connecting groove 21, and the first spring 25 extends and retracts along the depth direction of the connecting groove 21. The pull rod 23 is provided with a plurality of anti-slip patterns 3, the anti-slip patterns 3 are circumferentially arranged on the pull rod 23 in a surrounding manner, the length direction of the anti-slip patterns 3 is perpendicular to the sliding direction of the pull rod 23, and the sliding direction of the pull rod 23 is also perpendicular to the sliding direction of the second metal rod 12. In this embodiment, the pull rod 23 and the control rod 22 are made of hard insulating materials.
The implementation principle of this application embodiment 1 a hand-held type distancer does: when electricity remains on the lightning protection device in contact with the second metal rod 12, current will flow on the conductive loop formed by the first metal rod 11 and the second metal rod 12, and when current flows through the electromagnet 17, the electromagnet 17 will generate magnetism, and the electromagnet 17 and the permanent magnet 16 repel each other, so that the second metal rod 12 is ejected away from the main body 1, the main body 1 is separated from the lightning protection device, and current flows only on the first metal rod 11 and the second metal rod 12; when the residual electricity on the lightning protection equipment is consumed, the electromagnet 17 loses magnetism, the repulsive force between the electromagnet 17 and the permanent magnet 16 disappears, the main body 1 falls on the lightning protection equipment again under the action of gravity, and the second metal rod 12 is retracted to the main body 1 again; when the second metal rod 12 is ejected in a direction away from the main body, the second metal rod 12 further drives the control rod 22 to slide in a direction outside the control groove 2, so that the control rod 22 unlocks the pull rod 23, the pull rod 23 is ejected under the elastic force of the first spring 25, and at the moment, a worker can take the main body off the lightning protection device through the pull rod 23.
Example 2:
referring to fig. 3, unlike embodiment 1, the self-locking assembly 4 is mounted on the loop bar 14, and after the second metal bar 12 slides in a direction away from the first metal bar 11, the self-locking assembly 4 locks the position between the second metal bar 12 and the first metal bar 11, so that the second metal bar 12 is difficult to return.
Referring to fig. 3, the loop bar 14 is provided with a sliding groove 41, a depth direction of the sliding groove 41 is perpendicular to a length direction of the loop bar 14, the self-locking assembly 4 includes a sliding block 42 sliding in the sliding groove 41, an outer side wall of the sliding block 42 abuts against an inner wall of the sliding groove 41, and the sliding block 42 slides along the depth direction of the sliding groove 41. A second spring 43 is fixedly connected between the bottom wall of the sliding block 42 back to the opening surface of the sliding chute 41 and the bottom wall of the sliding chute 41 facing to the opening surface of the sliding chute, and the second spring 43 extends and contracts along the sliding direction of the sliding block 42.
Referring to fig. 3, an insertion groove 44 into which the slider 42 is inserted is formed on an inner wall of the sleeve groove 15, a depth direction of the insertion groove 44 is perpendicular to a depth direction of the sleeve groove 15, and the insertion groove 44 penetrates through a side wall of the second metal rod 12 to the outside. When the loop bar 14 slides a certain distance out of the loop groove 15, the slider 42 is inserted into the insertion groove 44 by the elastic force of the second spring 43.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A hand-held rangefinder, including main part (1), its characterized in that: be provided with first metal pole (11) on main part (1) lateral wall, still be provided with second metal pole (12) on main part (1) lateral wall, second metal pole (12) are the symmetry with first metal pole (11) and set up on the lateral wall of main part (1) each other dorsad, first metal pole (11) are circumference with second metal pole (12) and encircle and link to each other outside main part (1), be provided with insulating support pole (13) between first metal pole (11) and main part (1) lateral wall.
2. A hand-held rangefinder as claimed in claim 1, wherein: be provided with loop bar (14) on first metal pole (11), be provided with on second metal pole (12) and supply loop bar (14) to insert and gliding trepanning (15), second metal pole (12) slide towards the direction of keeping away from or being close to first metal pole (11) along the length direction of loop bar (14), loop bar (14) tip is provided with permanent magnet (16), trepanning (15) bottom is provided with electro-magnet (17) with permanent magnet (16) repulsion each other.
3. A hand-held rangefinder as claimed in claim 1, wherein: be provided with control slot (2) and spread groove (21) on main part (1), control slot (2) are linked together with spread groove (21), it has control lever (22) to slide in control slot (2), control lever (22) tip is contradicted with second metal pole (12), it has pull rod (23) that supply the staff pulling to slide in spread groove (21), be provided with draw-in groove (24) on pull rod (23), the tip of control lever (22) inserts and the joint is in draw-in groove (24), be provided with first spring (25) between pull rod (23) lateral wall and spread groove (21) diapire, first spring (25) are flexible along the degree of depth direction of spread groove (21).
4. A hand-held rangefinder as claimed in claim 3, wherein: the anti-skidding structure is characterized in that the pull rod (23) is provided with a plurality of anti-skidding threads (3), and the sliding direction of the pull rod (23) is perpendicular to the sliding direction of the second metal rod (12).
5. A hand-held rangefinder as claimed in claim 3, wherein: the control rod (22) is connected to the outer side wall of the second metal rod (12), and the sliding direction of the control rod (22) in the control groove (2) is the same as that of the second metal rod (12).
6. A hand-held rangefinder as claimed in claim 1, wherein: a caulking groove (18) is formed in the side wall of the main body (1), and the second metal rod (12) is embedded in the caulking groove (18).
7. A hand-held rangefinder as claimed in claim 2, wherein: the sleeve rod (14) is provided with a self-locking assembly (4), after the second metal rod (12) slides towards the direction far away from the first metal rod (11), the self-locking assembly (4) locks the position between the second metal rod (12) and the first metal rod (11), so that the second metal rod (12) is difficult to reset.
8. A hand-held rangefinder as claimed in claim 7, wherein: be provided with spout (41) on loop bar (14), auto-lock subassembly (4) is including sliding slider (42) in spout (41), be provided with second spring (43) between slider (42) diapire and spout (41) diapire, second spring (43) are flexible along the degree of depth direction of spout (41), be provided with slot (44) on loop bar (15) inner wall, when loop bar (14) outwards slided certain distance towards loop bar (15), slider (42) can insert in slot (44), slot (44) are run through to outside second metal pole (12) lateral wall from loop bar (15) inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111673859.5A CN114459440B (en) | 2021-12-31 | 2021-12-31 | Hand-held distance meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111673859.5A CN114459440B (en) | 2021-12-31 | 2021-12-31 | Hand-held distance meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114459440A true CN114459440A (en) | 2022-05-10 |
| CN114459440B CN114459440B (en) | 2024-02-09 |
Family
ID=81408421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111673859.5A Active CN114459440B (en) | 2021-12-31 | 2021-12-31 | Hand-held distance meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114459440B (en) |
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|---|---|---|---|---|
| EP0299642A1 (en) * | 1987-07-16 | 1989-01-18 | John Chu | Electrostatically activated gating mechanism |
| CN201048211Y (en) * | 2007-05-31 | 2008-04-16 | 董冠立 | High-voltage automatic ejection plug |
| CN201350206Y (en) * | 2009-02-03 | 2009-11-25 | 蒋昭霞 | Spring-type electric fire needle device |
| CN106014465A (en) * | 2016-06-16 | 2016-10-12 | 天地科技股份有限公司 | Integrated one-way operation self-locking movable side guard plate fixing device |
| CN106935986A (en) * | 2017-04-15 | 2017-07-07 | 霍昆 | A kind of use for laboratory is in the locking-type discharging rod of capacitor discharge |
| CN209398022U (en) * | 2018-08-31 | 2019-09-17 | 广东坚朗五金制品股份有限公司 | Built-in handle |
| CN111916118A (en) * | 2018-09-07 | 2020-11-10 | 黄河科技学院 | Explosion-proof device for computer storage device |
| CN212180958U (en) * | 2020-05-15 | 2020-12-18 | 厦门中唐电气有限公司 | Detection and judgment mechanism for safety appliance tester |
| CN214479511U (en) * | 2021-03-02 | 2021-10-22 | 西安鼎益电器有限公司 | Detachable lightning arrester |
| CN215340105U (en) * | 2021-05-19 | 2021-12-28 | 厦门中唐电气有限公司 | Insulating hand tool tester |
-
2021
- 2021-12-31 CN CN202111673859.5A patent/CN114459440B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0299642A1 (en) * | 1987-07-16 | 1989-01-18 | John Chu | Electrostatically activated gating mechanism |
| CN201048211Y (en) * | 2007-05-31 | 2008-04-16 | 董冠立 | High-voltage automatic ejection plug |
| CN201350206Y (en) * | 2009-02-03 | 2009-11-25 | 蒋昭霞 | Spring-type electric fire needle device |
| CN106014465A (en) * | 2016-06-16 | 2016-10-12 | 天地科技股份有限公司 | Integrated one-way operation self-locking movable side guard plate fixing device |
| CN106935986A (en) * | 2017-04-15 | 2017-07-07 | 霍昆 | A kind of use for laboratory is in the locking-type discharging rod of capacitor discharge |
| CN209398022U (en) * | 2018-08-31 | 2019-09-17 | 广东坚朗五金制品股份有限公司 | Built-in handle |
| CN111916118A (en) * | 2018-09-07 | 2020-11-10 | 黄河科技学院 | Explosion-proof device for computer storage device |
| CN212180958U (en) * | 2020-05-15 | 2020-12-18 | 厦门中唐电气有限公司 | Detection and judgment mechanism for safety appliance tester |
| CN214479511U (en) * | 2021-03-02 | 2021-10-22 | 西安鼎益电器有限公司 | Detachable lightning arrester |
| CN215340105U (en) * | 2021-05-19 | 2021-12-28 | 厦门中唐电气有限公司 | Insulating hand tool tester |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114459440B (en) | 2024-02-09 |
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