CN114459440B - Hand-held distance meter - Google Patents
Hand-held distance meter Download PDFInfo
- Publication number
- CN114459440B CN114459440B CN202111673859.5A CN202111673859A CN114459440B CN 114459440 B CN114459440 B CN 114459440B CN 202111673859 A CN202111673859 A CN 202111673859A CN 114459440 B CN114459440 B CN 114459440B
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- rod
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- sleeve
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- 239000002184 metal Substances 0.000 claims abstract description 128
- 230000000694 effects Effects 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 description 6
- 230000005389 magnetism Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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 relates to a range finder's field especially relates to a hand-held type range finder, and 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 lateral wall that the main part is mutually dorsad, first metal pole is the circumference with the second metal pole and encircles and link to each other outside the main part, be provided with insulating bracing piece between first metal pole and the main part lateral wall. The lightning protection device has the effect of reducing the probability of damage to the range finder caused by residual current on the lightning protection device.
Description
Technical Field
The application relates to the field of range finders, in particular to a handheld range finder.
Background
Along with the development of the society in China, the safety awareness of people is higher and higher, and lightning is taken as a common natural disaster with larger harm, so that the safety of lightning protection of buildings is also more and more important.
A plurality of lightning protection devices are usually installed on a building, the range finder is equipment for assisting in installing the lightning protection devices, and the lightning protection devices are installed on the correct positions by measuring the distance between the lightning protection devices, so that the probability of mutual interference between the lightning protection devices is reduced.
With respect to the related art in the above, the inventors consider that there are the following drawbacks: when lightning protection equipment breaks down and changes the installation, the staff need put the distancer on the lightning protection equipment that does not break down and measure the distance between the lightning protection equipment with newly installing, if lightning protection equipment in use discharges thoroughly before measuring, the electric current on the lightning protection equipment will cause the damage to the distancer.
Disclosure of Invention
In order to improve, if lightning equipment discharges thoroughly before measuring, the current on the lightning equipment will cause the problem of damage to the distancer, this application provides a handheld distancer.
The application provides a hand-held type distancer adopts following technical scheme:
the utility model provides a handheld distancer, includes 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 lateral wall that the main part is dorsad each other, first metal pole is the circumference with the second metal pole and encircles and link to each other outside the main part, be provided with insulating bracing piece 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 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 lightning-arrest equipment contact, the probability of electric current process main part has been reduced, and first metal pole passes through insulating bracing piece and installs in the main part, further reduced the electric current and passed through the main part, thereby cause the probability of damage to the main part, the guard action has been played to the main part, the life of main part has been prolonged.
Optionally, a sleeve rod is arranged on the first metal rod, a sleeve groove for inserting and sliding the sleeve rod is arranged on the second metal rod, the second metal rod slides along the length direction of the sleeve rod in the direction far away from or near to the first metal rod, a permanent magnet is arranged at the end part of the sleeve rod, and an electromagnet which is mutually exclusive with the permanent magnet is arranged at the bottom of the sleeve groove.
Through adopting above-mentioned technical scheme, when the second metal pole is circular telegram, the electric current can make the electro-magnet produce magnetism through the electro-magnet, because the end polarity of electro-magnet and permanent magnet orientation each other is opposite to lead to producing the 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-arrest equipment, distance between main part and the lightning-arrest equipment has been increased, further played the guard action to the main part, the probability that the main part received the influence of residual current on the lightning-arrest equipment has been reduced.
Optionally, be provided with control groove and spread groove in the main part, the control groove is linked together with the spread groove, it has the control lever to slide in the control groove, 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 rod 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 released the spacing to the control rod, the control rod will slide out from the control groove under the effect of gravity, the tip of control rod slides out from the draw-in groove this moment, thereby the spacing of control rod to the pull rod has been released, the pull rod will pop out from the spread groove under the elasticity effect of first spring, the staff alright take off the main part from lightning-arrest equipment through the pull rod this moment, at ordinary times, the pull rod is just received in the main part, the operation of staff has been made things convenient for.
Optionally, a plurality of anti-skidding lines 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 the 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 was out of 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 rod on the second metal pole lateral wall for the second metal pole directly drives the control rod and slides, has reduced the control rod and has pressed from both sides in the draw-in groove under the elasticity effect of first spring, and lead to the control rod to be difficult to follow the probability of sliding out in the draw-in groove, makes the work of control rod more reliable.
Optionally, the side wall of the main body is provided with a caulking groove, and the second metal rod is embedded in the caulking groove.
Through adopting above-mentioned technical scheme, through inlaying the second metal pole and establishing in the caulking groove, reduced the height of second metal pole protrusion outside the main part lateral wall, reduced the probability that causes the influence when the second metal pole uses the main part to the staff to range finding, made the staff use the operation of main part more smooth and easy.
Optionally, the loop bar is provided with a self-locking assembly, after the second metal bar slides towards the direction far away from the first metal bar, the self-locking assembly locks the 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 second metal pole slides out certain distance towards the direction of keeping away from the main part, the auto-lock subassembly will make second metal pole lock on first metal pole, whether will be no matter the electro-magnet circular telegram and the magnetic force of electro-magnet produces the change this moment, the position between second metal pole and the first metal pole all is difficult to change, it is undulant to have reduced because of the residual electricity on the lightning-protection equipment, and the magnetic force size that leads to the electro-magnet takes place undulant, 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, be provided with the spout on the loop bar, the auto-lock subassembly is including the slider of sliding in the spout, be provided with the second spring between slider diapire and the spout diapire, the second spring is flexible along the degree of depth direction of spout, be provided with the slot on the loop inner wall, when the loop bar slides a certain distance outward the loop, the slider can insert in the slot, the slot runs through to outside the second metal pole lateral wall from the loop inner wall.
Through adopting above-mentioned technical scheme, insert in the slot through the slider, realized the locking between loop bar and the loop groove, when the staff need release the lock, staff accessible slot comes to press the slider in the spout 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 puts the main part on the lightning-arrest equipment, the main part lateral wall that the second metal pole is located 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 flow in the conductive loop that first metal pole and second metal pole formed through the second metal pole that contacts with lightning-arrest equipment on the lightning-arrest equipment, the probability of electric current through the main part has been reduced, and first metal pole passes through insulating bracing piece and install in the main part, further reduced the electric current and passed through the main part, thereby cause the probability of damage to the main part, the guard action has been played to the main part, the life of main part has been prolonged.
When the second metal rod slides out a certain distance towards the direction of keeping away from the main part, the self-locking assembly will make the second metal rod lock on first metal rod, whether the electro-magnet is circular telegram and the magnetic force of electro-magnet all are difficult to change in this moment, the position between second metal rod and the first metal rod has reduced because of the residual electricity on the lightning equipment is undulant, and the magnetic force size that leads to the electro-magnet takes place undulant to make the distance between electro-magnet and the permanent magnet change, thereby lead to the distance between second metal rod and the main part to take place undulant probability, improved the stability of main part.
Drawings
Fig. 1 is a schematic overall structure of a handheld range finder according to an embodiment of the present application.
Fig. 2 is a schematic diagram of the explosive structure of fig. 1.
Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.
Fig. 4 is a schematic view showing an exploded structure of the first spring.
Fig. 5 is an enlarged schematic view of the structure at B in fig. 4.
Reference numerals illustrate: 1. a main body; 11. a first metal rod; 12. a second metal rod; 13. an insulating support rod; 14. a loop bar; 15. a sleeve groove; 16. a permanent magnet; 17. an electromagnet; 18. a caulking groove; 2. a control groove; 21. a connecting groove; 22. a control lever; 23. a pull rod; 24. a clamping groove; 25. a first spring; 3. anti-skid lines; 4. a self-locking assembly; 41. a chute; 42. a slide block; 43. a second spring; 44. a slot.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
The embodiment 1 of the application discloses a handheld range finder. Referring to fig. 1, the handheld range finder comprises a main body 1, four insulating support rods 13 are fixedly connected to the main body 1, the length direction of each insulating support rod 13 extends towards the direction far away from the side wall of the main body 1, every two insulating support rods 13 are in a group, and the same first metal rod 11 is fixedly connected to the side wall of the end part of each group, far away from the main body 1, of each insulating support rod 13. Two second metal rods 12 are also arranged on the side wall of the main body 1, the second metal rods 12 and the first metal rods 11 are symmetrically arranged on the side wall of the main body 1, which is opposite to each other, and the first metal rods 11 and the second metal rods 12 are in one-to-one correspondence and circumferentially connected outside the main body 1. The side wall of the main body 1 is provided with a caulking groove 18, the caulking 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 caulking groove 18.
Referring to fig. 1, in the present embodiment, the first metal rod 11 and the second metal rod 12 are made of conductive metal materials, and the insulating support rod 13 is made of hard insulating materials.
Referring to fig. 2 and 3, the loop bars 14 are fixedly connected to both end portions of the first metal bar 11, and the length direction of the loop bars 14 extends along the length direction of the end portion of the first metal bar 11 where the loop bars 14 are located. The sleeve grooves 15 for inserting and sliding the sleeve rod 14 are formed in the two end parts of the second metal rod 12, the depth direction of the sleeve groove 15 extends along the length direction of the end part 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 sleeve rod 14 in a direction away from or close to the first metal rod 11, a permanent magnet 16 is fixedly connected to the end of the sleeve rod 14 away from the first metal rod 11, an electromagnet 17 is fixedly connected to the bottom wall of the sleeve groove 15 away from the sleeve rod 14, and polarities of the end facing each other of the electromagnet 17 and the permanent magnet 16 are the same, so that a mutual exclusion force is generated between the electromagnet 17 and the permanent magnet 16 after the electromagnet 17 is electrified.
Referring to fig. 3, a limiting block is fixedly connected to the outer side wall of the sleeve rod 14, a limiting groove for inserting and sliding the limiting block is formed in the inner wall of the sleeve groove 15, the length direction of the limiting groove extends along the sliding direction of the sleeve rod 14 in the sleeve groove 15, and when the sliding distance of the sleeve rod 14 out of the sleeve groove 15 reaches a threshold value, the limiting block is abutted against the inner wall of the limiting groove, so that the sleeve rod 14 is difficult to separate from the sleeve groove 15.
Referring to fig. 4 and 5, a control groove 2 and a connecting groove 21 are formed in the main body 1, the control groove 2 is communicated with the connecting groove 21, a control rod 22 is slidably arranged 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 part of the control rod 22, which faces 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 that of the second metal rod 12.
Referring to fig. 4 and 5, the first metal rod 11 and the second metal rod 12 are not mounted on the side wall of the main body 1 where the opening surface of the connecting groove 21 is located, a pull rod 23 for pulling by a worker slides in the connecting groove 21, a clamping groove 24 for inserting and clamping the end of the control rod 22 is formed in the pull rod 23, 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 stretches along the depth direction of the connecting groove 21. The pull rod 23 is provided with a plurality of anti-skid patterns 3, the anti-skid patterns 3 are circumferentially arranged on the pull rod 23 in a surrounding manner, the length direction of the anti-skid 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 the handheld range finder of the embodiment 1 of the application is as follows: 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, the electromagnet 17 and the permanent magnet 16 repel each other, so that the second metal rod 12 pops up in a direction away from the main body 1, the main body 1 is separated from the lightning protection device, and current only flows 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 back to the main body 1 again; when the second metal rod 12 pops up in the direction away from the main body, the second metal rod 12 also drives the control rod 22 to slide in the direction out of the control groove 2, so that the locking of the control rod 22 to the pull rod 23 is released, the pull rod 23 pops up under the action of the elastic force of the first spring 25, and at the moment, a worker can take down the main body from 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, making it difficult to reset the second metal bar 12.
Referring to fig. 3, the loop bar 14 is provided with a sliding groove 41, the depth direction of the sliding groove 41 is perpendicular to the length direction of the loop bar 14, the self-locking assembly 4 includes a sliding block 42 sliding in the sliding groove 41, the outer side wall of the sliding block 42 is abutted against the 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 facing away from the opening surface of the sliding groove 41 and the bottom wall of the sliding groove 41 facing towards the opening surface of the sliding block, and the second spring 43 stretches along the sliding direction of the sliding block 42.
Referring to fig. 3, a slot 44 into which the slider 42 is inserted is formed in the inner wall of the sleeve slot 15, the depth direction of the slot 44 is perpendicular to the depth direction of the sleeve slot 15, and the slot 44 penetrates through the 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 sliding block 42 is inserted into the slot 44 under the elastic force of the second spring 43.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (6)
1. The utility model provides a handheld distancer, is including main part (1), its characterized in that: the novel metal support is characterized in that a first metal rod (11) is arranged on the side wall of the main body (1), a second metal rod (12) is further arranged on the side wall of the main body (1), the second metal rod (12) and the first metal rod (11) are symmetrically arranged on the side wall of the main body (1) opposite to each other, the first metal rod (11) and the second metal rod (12) are circumferentially connected outside the main body (1), and an insulating support rod (13) is arranged between the first metal rod (11) and the side wall of the main body (1);
the sleeve rod is characterized in that a sleeve rod (14) is arranged on the first metal rod (11), a sleeve groove (15) for the sleeve rod (14) to insert and slide is formed in the second metal rod (12), the second metal rod (12) slides along the length direction of the sleeve rod (14) in the direction away from or close to the first metal rod (11), a permanent magnet (16) is arranged at the end part of the sleeve rod (14), and an electromagnet (17) which is mutually exclusive with the permanent magnet (16) is arranged at the bottom of the sleeve groove (15);
be provided with control groove (2) and spread groove (21) on main part (1), control groove (2) are linked together with spread groove (21), it has control rod (22) to slide in control groove (2), control rod (22) tip is contradicted with second metal pole (12), it has pull rod (23) that supplies the staff to stimulate to slide in spread groove (21), be provided with draw-in groove (24) on pull rod (23), the tip of control rod (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 depth direction of spread groove (21).
2. A hand-held distance meter according to claim 1, wherein: the pull rod (23) is provided with a plurality of anti-skid patterns (3), and the sliding direction of the pull rod (23) is perpendicular to the sliding direction of the second metal rod (12).
3. A hand-held distance meter according to claim 1, 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 the sliding direction of the second metal rod (12).
4. A hand-held distance meter according to claim 1, wherein: the side wall of the main body (1) is provided with a caulking groove (18), and the second metal rod (12) is embedded in the caulking groove (18).
5. A hand-held distance meter according to claim 1, 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.
6. A hand-held distance meter according to claim 5, wherein: be provided with spout (41) on loop bar (14), auto-lock subassembly (4) are 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 depth direction of spout (41), be provided with slot (44) on loop bar (15) inner wall, when loop bar (14) slides certain distance outward towards loop bar (15), slider (42) can insert in slot (44), slot (44) are run through 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 CN114459440A (en) | 2022-05-10 |
| CN114459440B true 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) |
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 |
-
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 |
|---|---|
| CN114459440A (en) | 2022-05-10 |
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