CN208489995U - A kind of environmentally protective anti-explosion heater - Google Patents
A kind of environmentally protective anti-explosion heater Download PDFInfo
- Publication number
- CN208489995U CN208489995U CN201820809289.5U CN201820809289U CN208489995U CN 208489995 U CN208489995 U CN 208489995U CN 201820809289 U CN201820809289 U CN 201820809289U CN 208489995 U CN208489995 U CN 208489995U
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- Prior art keywords
- binding post
- heat sink
- fixed
- heating tube
- heater
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- 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.)
- Expired - Fee Related
Links
- 238000004880 explosion Methods 0.000 title claims abstract description 14
- 230000001681 protective effect Effects 0.000 title claims abstract description 13
- 238000005485 electric heating Methods 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 238000009413 insulation Methods 0.000 claims description 34
- 238000007789 sealing Methods 0.000 claims description 18
- 230000017525 heat dissipation Effects 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 5
- 210000004907 gland Anatomy 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 239000003921 oil Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Resistance Heating (AREA)
Abstract
The utility model proposes a kind of environmentally protective anti-explosion heaters, including heater housings and wiring shell, are connected between heater housings and wiring shell by changeover mechanism；It is fixed between heater housings and wiring shell by the first bolt；Fixed plate is removably equipped in wire connection cavity, binding post is removably arranged in fixed plate, electric heating tube is arranged in heater housings, the top of electric heating tube passes through heating tube grafting channel and is arranged in wire connection cavity, the lead of electric heating tube is connected with binding post, and the utility model good seal performance, stability are good, improve security performance.
Description
Technical field
The utility model relates to a kind of heater, in particular to a kind of environmentally protective anti-explosion heater.
Background technique
Currently, the collection of crude oil and fluid chemical raw material is defeated, heating apparatus, especially winter need to be used, due to being heated medium
Poor fluidity, created great difficulties to collecting defeated, transporting outward, process, use etc..To solve these problems, used by each oil field
Electric heating tube is not easy to realize effective temperature control to the mode for being heated medium and directly heating, when breakdown, booster occur for electrothermal tube,
Being heated medium just has the danger of explosion.And the easy coking in surface, service life are short.The heating method of tank automatic controlled electric heater,
Since heating cylinder surface area is small, rate of heat exchange is low, heating effect is poor.It is not easy to install and repair, wiring using U-shaped electrothermal tube
Connecting terminal in box is heated big, and aging is fast.The heating mode of explosion-proof, energy saving temp self-controlling pot electric heater is to pass through electrothermal tube
Conduction oil is heated, cylinder is reheated, since cylinder exchange rate is low, conduction oil leakiness, loss are big, uneconomical, and maintenance and repair work is difficult
Degree is big.And the conduction oil of world production at present, there is the shortcomings that low boiling point, being not suitable for the mating of high-power electric heater makes
With.
Patent 200320106202.1 discloses a kind of automatic temperature controlled electric water heater.By electric heating tube, heating cylinder, wiring
The composition such as box and temperature controller, its main feature is that the outer layer in heating cylinder, terminal box is mounted with cooling fin, fills in terminal box
The terminal plate and binding post for having heat-insulated rock wool, being connected by lead, the structure housing segregation is bad, easily leaks, and pacifies
Full property is unable to get guarantee.
Summary of the invention
In response to the above problems, the present invention proposes a kind of environmentally protective anti-explosion heater, good seal performances, stabilization
Property is good, improves security performance.
Specific technical solution is as follows:
A kind of environmentally protective anti-explosion heater, including heater housings and wiring shell, heater housings and wiring shell
It is connected between body by changeover mechanism, wiring shell includes the first wiring shield and the second wiring shield, the first wiring shield
Cover and the second wiring shield are mutually spliced to form wire connection cavity；
Changeover mechanism includes pinboard, and the upper surface of pinboard is equipped with multiple first inserting terminals, the lower end of pinboard
It is corresponding with the first inserting terminal on face to be equipped with the second inserting terminal, phase is equipped in the first inserting terminal and the second inserting terminal
Intercommunicated heating tube grafting channel；
Between heater housings and wiring shell, the first inserting terminal passes through wiring shell position for the setting of pinboard level
In wire connection cavity, the second inserting terminal passes through heater housings and is located in heating chamber, leads between heater housings and wiring shell
The first bolt is crossed to be fixed；
Fixed plate is removably equipped in wire connection cavity, binding post is removably arranged in fixed plate；
Electric heating tube is arranged in heater housings, and the top of electric heating tube passes through heating tube grafting channel and is arranged in wiring
In chamber, the lead of electric heating tube is connected with binding post；
Fixed plate includes fixed plate body, and the first through hole of multiple circular configurations, first through hole are uniformly provided on fixed plate body
Upper end be equipped with the first support plate, the lower end of first through hole is equipped with the second support plate, and the first support plate is up-small and down-big rotary table
Shape structure, the second support plate are up big and down small truncated cone-shaped structure；
The fixed plate setting parallel with the roof of the first wiring shield, fixed plate body are equipped with multiple second through-holes；
Multiple supporting mechanisms are laid on the roof of the first wiring shield, and supporting mechanism includes support rod, support rod and
Two through-holes are correspondingly arranged, and support rod is equipped with the first locating rod, and the length of the first locating rod is greater than the depth of the second through-hole, and first
Locating rod sets across the second through-hole, again by the pressure that gland is interference fitted and is fixed in the second through-hole, so that fixed plate be fixed
On supporting mechanism；
Binding post mechanism is fixed in the first support plate and the second support plate；
Binding post mechanism includes insulation sleeve, draws binding post, introduces binding post and nut, logical equipped with wiring in insulation sleeve
Road, the outer wall of insulation sleeve are equipped with external screw thread, insulation sleeve pass through the first support plate and the second support plate from top to bottom after, pass through spiral shell
Mother is locked to the bottom of insulation sleeve, draws binding post and passes through connection path from bottom to top, introduces binding post and wiring
Channel interference fit is fixed in insulation sleeve；
Introducing binding post includes insulation pressing, and insulation pressing is equipped with supporting lug, and supporting lug is equipped with connecting terminal,
What insulation pressing extended from bottom to supporting lug is equipped with threading channel, and the top of connecting terminal is equipped with the first groove, and first is recessed
Briquetting is equipped in slot, the lead of electric heating tube is wound around on the outer wall of connecting terminal after passing through threading channel from bottom to top, lead
End be fixed under the action of briquetting in the first groove；
Connecting terminal is plug-type to be arranged in the second groove for drawing binding post；
It draws binding post and connecting terminal is made using copper rod of material.
Further, what is be recessed inwardly on the side wall of heater housings is equipped with second groove of circle, the side of heater housings
The outer sealing plate of a circle is arranged on wall, what the bottom of outer sealing plate bent inwards is equipped with adhesive sheet, and adhesive sheet is by being adhesively fixed on second
The bottom of groove is fixed by screws on the side wall of heater housings at the top of outer sealing plate；
The inner wall of outer sealing plate is equipped with multiple groups heat dissipation supporting device.
Further, heat dissipation supporting device includes three the first heat sink strips being fixed on outer sealing plate inner wall in circular ring shape,
The cross sectional shape of first heat sink strip is arc-shaped structure, is respectively equipped with one second heat dissipation between two adjacent the first heat sink strips
Item group and a third heat sink strip group, the second heat sink strip include multiple the second heat sink strips for being parallel to each other and tilting upward setting,
Third heat sink strip includes multiple third heat sink strips for being parallel to each other and being arranged diagonally downward, and the second heat sink strip group is located at third heat dissipation
The top of item group, the second heat sink strip and third heat sink strip are each attached on outer sealing plate inner wall.
Further, heater housings and wiring shell are cylindrical structure, and heater housings are outer with wiring shell
Diameter is identical, and pinboard is cylindrical structure, and the outer diameter of pinboard is less than the outer diameter of heater housings.
Further, the outside of pinboard is arranged a circle and breathes out not washer, and the outer diameter for breathing out not washer is equal to heater housings
Outer diameter.
Further, it is locked between the first wiring shield and the second wiring shield by the second bolt.
Further, sheathed spring in the first locating rod, spring are pressed between support rod and fixed plate body.
Further, multiple heating tube support plates are equipped in heater housings, electric heating tube passes through heating tube support plate.
Spicing forming type, electric heating tube are subject to by changeover mechanism between the heater housings and wiring shell of the utility model
It is arranged in heater housings, the top of electric heating tube passes through heating tube grafting channel and is arranged in wire connection cavity, electric heating tube
Lead is connected with binding post；
When the lead of electric heating tube is connect with binding post, insulation sleeve passes through the first support plate and the second support plate from top to bottom
Afterwards, it is locked by bottom of the nut to insulation sleeve, then fixed plate is fixed on supporting mechanism；
The lead of electric heating tube is wound around on the outer wall of connecting terminal after passing through threading channel from bottom to top, the end of lead
It is fixed under the action of briquetting in the first groove, draws binding post and pass through connection path from bottom to top, introduce binding post and connect
Line passage interference fit is fixed in insulation sleeve；
The first wiring shield and the second wiring shield are locked finally by the second bolt
In conclusion the utility model good seal performance, stability are good, perfect heat-dissipating, security performance greatly improved.
Detailed description of the invention
Fig. 1 is the utility model section view.
Fig. 2 is heater housings cross-sectional view.
Fig. 3 is changeover mechanism cross-sectional view.
Fig. 4 is heat dissipation supporting device cross-sectional view.
Fig. 5 is wiring shell cross-sectional view.
Fig. 6 is binding post mechanism cross-sectional view.
Fig. 7 is supporting mechanism cross-sectional view.
Fig. 8 is to introduce binding post cross-sectional view.
Appended drawing reference
Heater housings 1, wiring shell 2, changeover mechanism 3, pinboard 4, the first inserting terminal 5, the second inserting terminal 6,
Heating tube grafting channel 7, the first bolt 8, fixed plate 9, binding post 10, the second groove 11, outer sealing plate 12, adhesive sheet 13, heat dissipation
Supporting device 14, the first heat sink strip 15, the second heat sink strip 16, third heat sink strip 17, breathe out not washer 18, the first wiring shield 19,
Second wiring shield 20, fixed plate body 21, first through hole 22, the first support plate 23, the second support plate 24, support rod 25, first
Locating rod 26, insulation sleeve 28, draws binding post 29, introduces binding post 30, nut 31, insulation pressing 32, supporting lug at gland 27
33, connecting terminal 34, threading channel 35, the first groove 36, briquetting 37, lead 38, the second bolt 39, spring 40, electric heating tube
41, the lead 42 of electric heating tube, heating tube support plate 43.
Specific embodiment
It is clear to be more clear the technical solution of the utility model, the utility model is carried out into one with reference to the accompanying drawing
Step description, the technical characteristic of any pair of technical solutions of the utility model carry out the scheme that equivalencing is obtained with conventional reasoning and fall
Enter scope of protection of the utility model.
A kind of environmentally protective anti-explosion heater as shown in the figure, including heater housings 1 and wiring shell 2, heater case
It is connected between body and wiring shell by changeover mechanism 3, wiring shell includes that the first wiring shield 19 and the second wiring are protected
Cover 20, the first wiring shield and the second wiring shield are mutually spliced to form wire connection cavity；
Changeover mechanism includes pinboard 4, and the upper surface of pinboard is equipped with multiple first inserting terminals 5, under pinboard
It is corresponding with the first inserting terminal on end face to be equipped with the second inserting terminal 6, it is set in the first inserting terminal and the second inserting terminal
There is interconnected heating tube grafting channel 7；
Between heater housings and wiring shell, the first inserting terminal passes through wiring shell position for the setting of pinboard level
In wire connection cavity, the second inserting terminal passes through heater housings and is located in heating chamber, leads between heater housings and wiring shell
The first bolt 8 is crossed to be fixed；
Fixed plate 9 is removably equipped in wire connection cavity, binding post 10 is removably arranged in fixed plate；
Electric heating tube 41 is arranged in heater housings, and the top of electric heating tube passes through the setting of heating tube grafting channel and connecing
In line chamber, the lead 42 of electric heating tube is connected with binding post；
Fixed plate includes fixed plate body 21, is uniformly provided with the first through hole 22 of multiple circular configurations on fixed plate body, and first
The upper end of through-hole is equipped with the first support plate 23, and the lower end of first through hole is equipped with the second support plate 24, the first support plate be it is upper it is small under
Big truncated cone-shaped structure, the second support plate are up big and down small truncated cone-shaped structure；
The fixed plate setting parallel with the roof of the first wiring shield, fixed plate body are equipped with multiple second through-holes；
Multiple supporting mechanisms are laid on the roof of the first wiring shield, and supporting mechanism includes support rod 25, support rod with
Second through-hole is correspondingly arranged, and support rod is equipped with the first locating rod 26, and the length of the first locating rod is greater than the depth of the second through-hole,
First locating rod sets across the second through-hole, again by the pressure that gland 27 is interference fitted and is fixed in the second through-hole, to will fix
Plate is fixed on supporting mechanism；
Binding post mechanism is fixed in the first support plate and the second support plate.
Binding post mechanism includes insulation sleeve 28, draws binding post 29, introduces binding post 30 and nut 31, is equipped in insulation sleeve
Connection path, the outer wall of insulation sleeve are equipped with external screw thread, insulation sleeve pass through the first support plate and the second support plate from top to bottom after,
It is locked by bottom of the nut to insulation sleeve, draws binding post and pass through connection path from bottom to top, introduce binding post
With being fixed in insulation sleeve for connection path interference fit；
Introducing binding post includes insulation pressing 32, and insulation pressing is equipped with supporting lug 33, and supporting lug is equipped with wiring
Terminal 34, what insulation pressing extended from bottom to supporting lug is equipped with threading channel 35, and it is recessed that the top of connecting terminal is equipped with first
Slot 36, briquetting 37 is equipped in the first groove, and the lead 38 of electric heating tube is wound around terminals after passing through threading channel from bottom to top
On the outer wall of son, the end of lead is fixed in the first groove under the action of briquetting；
Connecting terminal is plug-type to be arranged in the second groove for drawing binding post；
It draws binding post and connecting terminal is made using copper rod of material.
What is be recessed inwardly on the side wall of heater housings is equipped with second groove 11 of circle, is arranged on the side wall of heater housings
The one outer sealing plate 12 of circle, what the bottom of outer sealing plate bent inwards is equipped with adhesive sheet 13, and adhesive sheet is by being adhesively fixed on the second groove
Bottom, be fixed by screws on the side wall of heater housings at the top of outer sealing plate；
The inner wall of outer sealing plate is equipped with multiple groups heat dissipation supporting device 14.
Further, heat dissipation supporting device includes three the first heat sink strips being fixed on outer sealing plate inner wall in circular ring shape
15, the cross sectional shape of the first heat sink strip is arc-shaped structure, is respectively equipped with one second between two adjacent the first heat sink strips
Heat sink strip group and a third heat sink strip group, the second heat sink strip include multiple the second heat dissipations for being parallel to each other and tilting upward setting
Item 16, third heat sink strip include multiple third heat sink strips 17 for being parallel to each other and being arranged diagonally downward, and the second heat sink strip group is located at
The top of third heat sink strip group.
Further, heater housings and wiring shell are cylindrical structure, and heater housings are outer with wiring shell
Diameter is identical, and pinboard is cylindrical structure, and the outer diameter of pinboard is less than the outer diameter of heater housings.
Further, the outside of pinboard is arranged a circle and breathes out not washer 18, and the outer diameter for breathing out not washer is equal to heater housings
Outer diameter.
Further, it is locked between the first wiring shield and the second wiring shield by the second bolt 39.
Further, sheathed spring 40 in the first locating rod, spring is pressed between support rod and fixed plate body.
Further, multiple heating tube support plates 43 are equipped in heater housings, electric heating tube passes through heating tube support plate.
Spicing forming type, electric heating tube are subject to by changeover mechanism between the heater housings and wiring shell of the utility model
It is arranged in heater housings, the top of electric heating tube 41 passes through heating tube grafting channel and is arranged in wire connection cavity, electric heating tube
Lead be connected with binding post；
When the lead of electric heating tube is connect with binding post, insulation sleeve passes through the first support plate and the second support plate from top to bottom
Afterwards, it is locked by bottom of the nut to insulation sleeve, then fixed plate is fixed on supporting mechanism；
The lead of electric heating tube is wound around on the outer wall of connecting terminal after passing through threading channel from bottom to top, the end of lead
It is fixed under the action of briquetting in the first groove, draws binding post and pass through connection path from bottom to top, introduce binding post and connect
Line passage interference fit is fixed in insulation sleeve；
The first wiring shield and the second wiring shield are locked finally by the second bolt.
Claims (6)
1. a kind of environmentally protective anti-explosion heater, it is characterized in that, including heater housings and wiring shell, heater housings with
Connected between wiring shell by changeover mechanism, wiring shell include the first wiring shield and the second wiring shield, first
Wiring shield and the second wiring shield are mutually spliced to form wire connection cavity；
Changeover mechanism includes pinboard, and the upper surface of pinboard is equipped with multiple first inserting terminals, on the lower end surface of pinboard
It is corresponding with the first inserting terminal to be equipped with the second inserting terminal, it is equipped in the first inserting terminal and the second inserting terminal and mutually interconnects
Logical heating tube grafting channel；
Between heater housings and wiring shell, the first inserting terminal is located at across wiring shell body to be connect for the setting of pinboard level
In line chamber, the second inserting terminal passes through heater housings and is located in heating chamber, passes through the between heater housings and wiring shell
One bolt is fixed；
Fixed plate is removably equipped in wire connection cavity, binding post is removably arranged in fixed plate；
Electric heating tube is arranged in heater housings, and the top of electric heating tube passes through heating tube grafting channel and is arranged in wire connection cavity
In, the lead of electric heating tube is connected with binding post；
Fixed plate includes fixed plate body, is uniformly provided with the first through hole of multiple circular configurations on fixed plate body, first through hole it is upper
End is equipped with the first support plate, and the lower end of first through hole is equipped with the second support plate, and the first support plate is up-small and down-big truncated cone-shaped knot
Structure, the second support plate are up big and down small truncated cone-shaped structure；
The fixed plate setting parallel with the roof of the first wiring shield, fixed plate body are equipped with multiple second through-holes；
Multiple supporting mechanisms are laid on the roof of the first wiring shield, and supporting mechanism includes support rod, and support rod and second are led to
Hole is correspondingly arranged, and support rod is equipped with the first locating rod, and the length of the first locating rod is greater than the depth of the second through-hole, the first positioning
Bar sets across the second through-hole, again by the pressure that gland is interference fitted and is fixed in the second through-hole, so that fixed plate is fixed on branch
On support mechanism；
Binding post mechanism is fixed in the first support plate and the second support plate；
Binding post mechanism includes insulation sleeve, draws binding post, introduces binding post and nut, is equipped with connection path in insulation sleeve, absolutely
The outer wall of edge set is equipped with external screw thread, insulation sleeve pass through the first support plate and the second support plate from top to bottom after, by nut pair
The bottom of insulation sleeve is locked, and is drawn binding post and is passed through connection path from bottom to top, introduces binding post and connection path
Interference fit is fixed in insulation sleeve；
Introducing binding post includes insulation pressing, and insulation pressing is equipped with supporting lug, and supporting lug is equipped with connecting terminal, insulation
What briquetting extended from bottom to supporting lug be equipped with threading channel, the top of connecting terminal are equipped with the first groove, in the first groove
Equipped with briquetting, the lead of electric heating tube is wound around on the outer wall of connecting terminal after passing through threading channel from bottom to top, the end of lead
Portion is fixed in the first groove under the action of briquetting；
Connecting terminal is plug-type to be arranged in the second groove for drawing binding post；
It draws binding post and connecting terminal is made using copper rod of material.
2. environmentally protective anti-explosion heater as described in claim 1 a kind of, it is characterized in that, on the side wall of heater housings to
Sunken inside is equipped with second groove of circle, the outer sealing plate of a circle is arranged on the side wall of heater housings, the bottom of outer sealing plate is inwardly curved
Folding is equipped with adhesive sheet, and adhesive sheet is fixed by screws at the top of outer sealing plate by being adhesively fixed on the bottom of the second groove
On the side wall of heater housings；
The inner wall of outer sealing plate is equipped with multiple groups heat dissipation supporting device.
3. a kind of environmentally protective anti-explosion heater as claimed in claim 2, it is characterized in that, heat dissipation supporting device includes three
It is fixed on the first heat sink strip on outer sealing plate inner wall in circular ring shape, the cross sectional shape of the first heat sink strip is arc-shaped structure, adjacent
Two the first heat sink strips between be respectively equipped with a second heat sink strip group and a third heat sink strip group, the second heat sink strip includes
Multiple the second heat sink strips for being parallel to each other and tilting upward setting, third heat sink strip include it is multiple be parallel to each other and be tilted towards divide into
The third heat sink strip set, the second heat sink strip group are located at the top of third heat sink strip group, and the second heat sink strip and third heat sink strip are solid
It is scheduled on outer sealing plate inner wall.
4. a kind of environmentally protective anti-explosion heater as described in claim 1, it is characterized in that, the first wiring shield and second connects
It is locked between line shield by the second bolt.
5. a kind of environmentally protective anti-explosion heater as described in claim 1, it is characterized in that, bullet is arranged in the first locating rod
Spring, spring are pressed between support rod and fixed plate body.
6. a kind of environmentally protective anti-explosion heater as described in claim 1, it is characterized in that, it is equipped in heater housings multiple
Tube support plate is heated, electric heating tube passes through heating tube support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820809289.5U CN208489995U (en) | 2018-05-29 | 2018-05-29 | A kind of environmentally protective anti-explosion heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820809289.5U CN208489995U (en) | 2018-05-29 | 2018-05-29 | A kind of environmentally protective anti-explosion heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208489995U true CN208489995U (en) | 2019-02-12 |
Family
ID=65250371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820809289.5U Expired - Fee Related CN208489995U (en) | 2018-05-29 | 2018-05-29 | A kind of environmentally protective anti-explosion heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208489995U (en) |
-
2018
- 2018-05-29 CN CN201820809289.5U patent/CN208489995U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190212 |