[go: up one dir, main page]

CN203686756U - Street lamp convenient to repair and maintain - Google Patents

Street lamp convenient to repair and maintain Download PDF

Info

Publication number
CN203686756U
CN203686756U CN201320781213.3U CN201320781213U CN203686756U CN 203686756 U CN203686756 U CN 203686756U CN 201320781213 U CN201320781213 U CN 201320781213U CN 203686756 U CN203686756 U CN 203686756U
Authority
CN
China
Prior art keywords
support
connection plate
upper cover
lower cover
street lamp
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320781213.3U
Other languages
Chinese (zh)
Inventor
陈刚
罗勇
李国阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Enweixi Industry Development Co Ltd
Original Assignee
Chongqing Enweixi Industry Development Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chongqing Enweixi Industry Development Co Ltd filed Critical Chongqing Enweixi Industry Development Co Ltd
Priority to CN201320781213.3U priority Critical patent/CN203686756U/en
Application granted granted Critical
Publication of CN203686756U publication Critical patent/CN203686756U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)

Abstract

A street lamp convenient to repair and maintain comprises a shell component and a light source component, wherein the shell component comprises an upper cover and a lower cover; a rotary hinged structure is arranged at the front ends of the upper cover and the lower cover; a buckled connecting structure is arranged at the rear ends of the upper cover and the lower cover; a rotary supporting part is arranged between the upper cover and the lower cover, and comprises a supporting connecting plate I and a supporting connecting plate II, hinged to each other; a limiting sliding block matched with an arc-shaped limiting groove is arranged on the supporting connecting plate I; a hinge hole I is a kidney round hole; a radially inward linear sliding chute is formed in one end of the arc-shaped limiting groove; the rotary hinged structure comprises a rotary hinged part; two hinged plates fixedly connected with the upper cover and the lower cover are respectively arranged at two ends of a middle connector of the rotary hinged part; the buckled connecting structure comprises hasps; hanging columns matched with hanging rings are arranged in upper hasp grooves of the upper cover; hanging legs matched with hooks are arranged in lower hasp grooves of the lower cover; the light source component comprises a lamp holder, a luminous body and a power supply component.

Description

The street lamp that a kind of easy access is safeguarded
Technical field
The utility model belongs to technical field of lighting fixtures, is specifically related to the street lamp that a kind of easy access is safeguarded.
Background technology
Street lamp is to show road and provide the light fixture of illumination functions, and the light fixture in general reference traffic lighting in the illumination zone of road surface is usually installed on the post of the one-sided or both sides of road.Because street lamp is generally arranged on high lamppost, this has brought great inconvenience to the installation and maintenance of street lamp.Especially, after long-time use, inevitably can there are some faults in some street lamps wherein, staff need to climb up on lamppost it is carried out to repair and maintenance, work high above the ground brings life danger to staff, can increase especially staff's security risk and some of street lamp cause being difficult for the fault of construction of repair and maintenance.In addition, street lamp also needs to bear the test of extraneous adverse circumstances, therefore also requires street lamp to have enough mechanical strengths and resists extraneous boisterous impact, and reasonably structural design can effectively reduce the fault rate of street lamp, and increases service life.
Summary of the invention
In view of this, the street lamp that provides a kind of easy access to safeguard is provided the purpose of this utility model, and this street lamp not only can protect street lamp not to be subject to extraneous boisterous impact, and easy access is safeguarded.
For achieving the above object, the utility model provides following technical scheme:
The street lamp that easy access is safeguarded, comprises housing unit and light source assembly;
Described housing unit comprises upper cover and lower cover, the bottom surface of described lower cover is provided with light exit wound of bullet, the rear end of upper cover and/or lower cover is provided with the installing hole for being connected with lamppost, on described light exit wound of bullet, Transparent lamp shade is installed, and between described upper cover and lower cover, is provided with closed cover and is contained in the reflector on described Transparent lamp shade; The front end of described upper cover and lower cover is provided with rotation articulated structure, and the rear end of upper cover and lower cover is provided with buckle-type syndeton, and is provided with rotary support member between described upper cover and lower cover;
Described rotary support member comprises support and connection plate I and support and connection plate II, one end of described support and connection plate I is provided with hinge hole I, one end of support and connection plate II is provided with hinge hole II, and described support and connection plate II is provided with the arc-shaped limit groove centered by the center of circle of described hinge hole II, described support and connection plate I and support and connection plate II are articulated and connected by described hinge hole I and hinge hole II, and described support and connection plate I is provided with the position limiting slide block coordinating with described arc-shaped limit groove; Described hinge hole I is kidney-shaped circular hole, and described arc-shaped limit groove is provided with radially inner straight line chute near one end of described support and connection plate II end;
Described rotation articulated structure comprises rotation articulated elements, and described rotation articulated elements comprises intermediate connector, and the two ends of described intermediate connector are respectively equipped with the connecting plate being articulated and connected with it, and two described connecting plates are fixedly connected with lower cover with described upper cover respectively;
Described buckle-type syndeton comprises hasp, and one end of described hasp is provided with hook, and the other end is provided with link; The both sides, rear end of described upper cover and lower cover respectively correspondence are provided with hasp groove and lower hasp groove, in described upper hasp groove, are provided with the hanging column coordinating with described link, in described lower hasp groove, are provided with the hanging feet coordinating with described hook;
Described light source assembly comprises lamp socket, illuminator and power supply module, described lamp socket is arranged on described reflector, described illuminator is arranged on described lamp socket and between described reflector and Transparent lamp shade, under described, cover and be provided with mount pad, described power supply module is fixedly mounted on described mount pad.
Further, the shared mechanical angle of described arc-shaped limit groove is 180 °, and described arc-shaped limit groove is positioned at a side of the center line of described support and connection plate II.
Further, the other end of described support and connection plate I is provided with the support fixed plate I being articulated and connected with it.
Further, the other end of described support and connection plate II is provided with hinge hole III, on described hinge hole III, is hingedly connected with support fixed plates II.
Further, described support fixed plates II is provided with the arc chute centered by the center of circle of described hinge hole III, and described support and connection plate II is provided with the slide block coordinating with described arc chute.
Further, described intermediate connector comprises two articulated slabs that are arranged in parallel, and the two ends of two described articulated slabs are respectively equipped with jointed shaft, and two described connecting plates are hinged on respectively on two described jointed shafts.
Further, one end correspondence of two described articulated slabs is provided with kidney-shaped circular hole, and other end correspondence is provided with hinge hole, and two described jointed shafts are arranged on respectively on described kidney-shaped circular hole and hinge hole.
Further, one end that described hasp arranges described link is folded to form the hole that is articulated and connected, and described in described link is hingedly mounted on, is articulated and connected on hole.
Further, in described upper hasp groove, be provided with the compressing tablet for preventing that described link and described hanging column from coming off, described compressing tablet is fixedly mounted in described upper hasp groove.
Further, between described Transparent lamp shade and described reflector, be provided with sealing waterproof rubber ring; Under described, cover along described reflector periphery and be interval with the reflector compressing tablet for described reflector is fixed, described reflector compressing tablet is fixedly mounted under described and covers and be pressed on the edge of described reflector.
The beneficial effects of the utility model are:
The street lamp that the utility model easy access is safeguarded, by at the front end of upper cover and lower cover, rotation articulated structure being set, and in the rear end of upper cover and lower cover, buckle-type syndeton is set, in the time of street lamp repair and maintenance, open buckle-type syndeton, can easily upper cover be opened; By the front end of upper cover and lower cover is articulated and connected, and between upper cover and lower cover, rotary support member is set, open after upper cover, utilize rotary support member upper cover can be supported fixing, prevent that upper cover from impacting staff's repair and maintenance work, and rotary support member, in the time that upper cover is closed, can shrink automatically, simple to operation; By reflector and Transparent lamp shade are set, the impact of external environment can be under the duplicate protection of housing unit and reflector, resisted, and light projector effect can be improved, can effectively reduce the fault rate of street lamp, and increase service life.
Brief description of the drawings
In order to make the purpose of this utility model, technical scheme and beneficial effect clearer, the utility model provides following accompanying drawing to describe:
Fig. 1 is the explosive view of the street lamp embodiment of the utility model easy access maintenance;
Fig. 2 is the structural representation of rotary support member;
Fig. 3 is the structural representation of support and connection plate I;
Fig. 4 is the structural representation of support and connection plate II;
Fig. 5 is the structural representation of rotation articulated elements;
Fig. 6 is the structural representation of buckle-type syndeton;
Fig. 7 is the structural representation of hasp.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
As shown in Figure 1, the explosive view of street lamp embodiment of safeguarding for the utility model easy access.The street lamp that the present embodiment easy access is safeguarded, comprises housing unit and light source assembly.Housing unit comprises upper cover 1 and lower cover 2, the bottom surface of lower cover 2 is provided with light exit wound of bullet 3, the rear end of upper cover 1 and/or lower cover 2 is provided with the installing hole 4 for being connected with lamppost, the installing hole 4 of the present embodiment is arranged on lower cover 2, Transparent lamp shade 5 is installed on light exit wound of bullet 3, and between upper cover 1 and lower cover 2, is provided with closed cover and is contained in the reflector 6 on Transparent lamp shade 5.The front end of upper cover 1 and lower cover 2 is provided with rotation articulated structure, and the rear end of upper cover 1 and lower cover 2 is provided with buckle-type syndeton, and is provided with rotary support member 10 between upper cover 1 and lower cover 2.The light source assembly of the present embodiment comprises lamp socket 7a, illuminator 7b and power supply module 8, lamp socket 7a is arranged on reflector 6, illuminator 7b is arranged on lamp socket 7a above and between reflector 6 and Transparent lamp shade 5, lower cover 2 is provided with mount pad, and power supply module 8 is fixedly mounted on mount pad.On lower cover 2, be provided with anchor ear mount pad with installing hole 4, anchor ear mount pad is provided with the anchor ear 9 for holding lamppost tightly.
The rotary support member of the present embodiment, comprise support and connection plate I 11 and support and connection plate II 12, one end of support and connection plate I 11 is provided with hinge hole I 13, one end of support and connection plate II 12 is provided with hinge hole II 14, and support and connection plate II 12 is provided with the arc-shaped limit groove 15 centered by the center of circle of described hinge hole II 14, support and connection plate I 11 and support and connection plate II 12 are articulated and connected by hinge hole I 13 and hinge hole II 14, and support and connection plate I 11 is provided with the position limiting slide block 16 coordinating with arc-shaped limit groove 15.Hinge hole I 13 is kidney-shaped circular hole, and arc-shaped limit groove 15 is provided with radially inner straight line chute 17 near one end of support and connection plate II 12 ends.The shared mechanical angle of arc-shaped limit groove 15 of the present embodiment is 180 °, and arc-shaped limit groove 15 is positioned at a side of the center line of support and connection plate II 12, be that support and connection plate I 11 and support and connection plate II 12 can rotate in the scope of 180 °, realize function closed and that open.
By one end of support and connection plate I 11 and support and connection plate II 12 is articulated and connected, and on support and connection plate II 12, arc-shaped limit groove 15 is set, utilizes position limiting slide block 16 and arc-shaped limit groove 15 can conveniently realize the object of rotary stopper.When use, support and connection plate I 11 and support and connection plate II 12 are articulated and connected with upper cover 1 and the lower cover 2 of street lamp respectively, open upper cover 1, support and connection plate I 11 and support and connection plate II 12 rotate mutually, in the time that support and connection plate I 11 and support and connection plate II 12 are positioned on straight line, position limiting slide block 16 is advanced in straight line chute 17, can prevent that support and connection plate I 11 and support and connection plate II 12 from rotating mutually, realize the stable support function to street lamp upper cover 2, prevent that upper cover 2 from impacting the repair and maintenance work of street lamp.
The rotation articulated structure of the present embodiment comprises rotation articulated elements 25, rotation articulated elements 25 comprises intermediate connector 26, the two ends of intermediate connector 26 are respectively equipped with connecting plate 27 and 28, two connecting plates of connecting plate of being articulated and connected with it and are fixedly connected with lower cover 2 with upper cover 1 respectively.Can easily upper cover 1 and lower cover 2 be articulated and connected.The intermediate connector 16 of the present embodiment comprises that the two ends of 29, two articulated slabs 29 of two articulated slabs that are parallel to each other are respectively equipped with 30, two connecting plates of jointed shaft and are hinged on respectively on two jointed shafts 30.Preferably, wherein one end of two connecting plates is provided with kidney-shaped circular hole, and jointed shaft 30 is slidably installed on this kidney-shaped circular hole.
The buckle-type syndeton of the present embodiment comprises hasp 31, and one end of hasp 31 is provided with hook 31a, and the other end is provided with link 31b; The both sides, rear end of upper cover 1 and lower cover 2 respectively correspondence are provided with hasp groove 32 and lower hasp groove 33, are provided with the hanging column 32a coordinating with link 31b in upper hasp groove 32, are provided with and the hanging feet 33a that links up with 31a and coordinate in lower hasp groove 33.Preferably, link 31b and hasp 31 are articulated and connected, and one end that the hasp 31 of the present embodiment arranges link 31b is folded to form the hole that is articulated and connected, and link 31b is hingedly mounted on and is articulated and connected on hole.In upper hasp groove 32, be provided with the compressing tablet 34 for preventing that link 31b and hanging column 32a from coming off, compressing tablet 34 adopts screw and packing ring to be fixedly mounted in hasp groove 32.When use, only need hook 31a and hanging feet 33a to depart from, buckle-type syndeton can be opened, upper cover 1 is separated with lower cover 2, simple to operate, do not need to use the instruments such as spanner.
The street lamp that the present embodiment easy access is safeguarded, by at the front end of upper cover 1 and lower cover 2, rotation articulated structure being set, and in the rear end of upper cover 1 and lower cover 2, buckle-type syndeton is set, in the time of street lamp repair and maintenance, open buckle-type syndeton, can easily upper cover 1 be opened; By the front end of upper cover 1 and lower cover 2 is articulated and connected, and between upper cover 1 and lower cover 2, rotary support member is set, open after upper cover 1, utilize rotary support member 10 upper cover can be supported fixing, prevent that upper cover from impacting staff's repair and maintenance work, and rotary support member, in the time that upper cover is closed, can shrink automatically, simple to operation; By reflector and Transparent lamp shade are set, the impact of external environment can be under the duplicate protection of housing unit and reflector, resisted, and light projector effect can be improved, can effectively reduce the fault rate of street lamp, and increase service life.
Further, the other end of support and connection plate I 11 is provided with the support fixed plate I 18 being articulated and connected with it, by supporting fixed plate I 18, can be connected with street lamp upper cover easily.The other end of support and connection plate II 12 is provided with hinge hole III 19, is hingedly connected with and supports fixed plates II 20 on hinge hole III 19, by supporting fixed plates II 20, can be connected and fixed with lower cover 2 easily.Preferably, support fixed plates II 20 and be provided with the arc chute 21 centered by the center of circle of hinge hole III 19, and support and connection plate II 12 is provided with the slide block 22 coordinating with arc chute 21, for limiting the rotating range of support and connection plate II 12 with respect to lower cover, prevent that support and connection plate II 12 and the parts that are arranged in street lamp casing from interfering mutually.Preferably, on support and connection plate I 11 and support and connection plate II 12, be equipped with the raised line for preventing that support and connection plate I 11 and support and connection plate II 12 are superimposed.
Further, between Transparent lamp shade 5 and reflector 6, be provided with sealing waterproof rubber ring 23, on lower cover 2, be interval with the reflector compressing tablet 24 for reflector 6 is fixed along reflector 6 peripheries, reflector compressing tablet 24 is fixedly mounted on lower cover 2 and is pressed on the edge of reflector 6, rotate reflector compressing tablet 24, can easily reflector 6 be opened and is fixed.Preferably, reflector 6 be provided with for by light reflection to the reflector element on Transparent lamp shade 5, reflector element is the mirror surface being arranged on reflector inwall, can effectively improve light projection effect.
Finally explanation is, above preferred embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is described in detail by above preferred embodiment, but those skilled in the art are to be understood that, can make various changes to it in the form and details, and not depart from the utility model claims limited range.

Claims (10)

1. the street lamp that easy access is safeguarded, is characterized in that: comprise housing unit and light source assembly;
Described housing unit comprises upper cover and lower cover, the bottom surface of described lower cover is provided with light exit wound of bullet, the rear end of upper cover and/or lower cover is provided with the installing hole for being connected with lamppost, on described light exit wound of bullet, Transparent lamp shade is installed, and between described upper cover and lower cover, is provided with closed cover and is contained in the reflector on described Transparent lamp shade; The front end of described upper cover and lower cover is provided with rotation articulated structure, and the rear end of upper cover and lower cover is provided with buckle-type syndeton, and is provided with rotary support member between described upper cover and lower cover;
Described rotary support member comprises support and connection plate I and support and connection plate II, one end of described support and connection plate I is provided with hinge hole I, one end of support and connection plate II is provided with hinge hole II, and described support and connection plate II is provided with the arc-shaped limit groove centered by the center of circle of described hinge hole II, described support and connection plate I and support and connection plate II are articulated and connected by described hinge hole I and hinge hole II, and described support and connection plate I is provided with the position limiting slide block coordinating with described arc-shaped limit groove; Described hinge hole I is kidney-shaped circular hole, and described arc-shaped limit groove is provided with radially inner straight line chute near one end of described support and connection plate II end;
Described rotation articulated structure comprises rotation articulated elements, and described rotation articulated elements comprises intermediate connector, and the two ends of described intermediate connector are respectively equipped with the connecting plate being articulated and connected with it, and two described connecting plates are fixedly connected with lower cover with described upper cover respectively;
Described buckle-type syndeton comprises hasp, and one end of described hasp is provided with hook, and the other end is provided with link; The both sides, rear end of described upper cover and lower cover respectively correspondence are provided with hasp groove and lower hasp groove, in described upper hasp groove, are provided with the hanging column coordinating with described link, in described lower hasp groove, are provided with the hanging feet coordinating with described hook;
Described light source assembly comprises lamp socket, illuminator and power supply module, described lamp socket is arranged on described reflector, described illuminator is arranged on described lamp socket and between described reflector and Transparent lamp shade, under described, cover and be provided with mount pad, described power supply module is fixedly mounted on described mount pad.
2. the street lamp that easy access is safeguarded according to claim 1, is characterized in that: the shared mechanical angle of described arc-shaped limit groove is 180 °, and described arc-shaped limit groove is positioned at a side of the center line of described support and connection plate II.
3. the street lamp that easy access is safeguarded according to claim 1, is characterized in that: the other end of described support and connection plate I is provided with the support fixed plate I being articulated and connected with it.
4. the street lamp that easy access is safeguarded according to claim 3, is characterized in that: the other end of described support and connection plate II is provided with hinge hole III, on described hinge hole III, is hingedly connected with support fixed plates II.
5. the street lamp that easy access is safeguarded according to claim 4, it is characterized in that: described support fixed plates II is provided with the arc chute centered by the center of circle of described hinge hole III, and described support and connection plate II is provided with the slide block coordinating with described arc chute.
6. the street lamp that easy access is safeguarded according to claim 1, it is characterized in that: described intermediate connector comprises two articulated slabs that are arranged in parallel, the two ends of two described articulated slabs are respectively equipped with jointed shaft, and two described connecting plates are hinged on respectively on two described jointed shafts.
7. the street lamp that easy access is safeguarded according to claim 6, is characterized in that: one end correspondence of two described articulated slabs is provided with kidney-shaped circular hole, and other end correspondence is provided with hinge hole, two described jointed shafts are arranged on respectively on described kidney-shaped circular hole and hinge hole.
8. the street lamp that easy access is safeguarded according to claim 1, is characterized in that: one end that described hasp arranges described link is folded to form the hole that is articulated and connected, and described in described link is hingedly mounted on, is articulated and connected on hole.
9. the street lamp that easy access is safeguarded according to claim 8, is characterized in that: in described upper hasp groove, be provided with the compressing tablet for preventing that described link and described hanging column from coming off, described compressing tablet is fixedly mounted in described upper hasp groove.
10. the street lamp of safeguarding according to easy access described in claim 1-9 any one, is characterized in that: between described Transparent lamp shade and described reflector, be provided with sealing waterproof rubber ring; Under described, cover along described reflector periphery and be interval with the reflector compressing tablet for described reflector is fixed, described reflector compressing tablet is fixedly mounted under described and covers and be pressed on the edge of described reflector.
CN201320781213.3U 2013-12-03 2013-12-03 Street lamp convenient to repair and maintain Expired - Fee Related CN203686756U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320781213.3U CN203686756U (en) 2013-12-03 2013-12-03 Street lamp convenient to repair and maintain

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320781213.3U CN203686756U (en) 2013-12-03 2013-12-03 Street lamp convenient to repair and maintain

Publications (1)

Publication Number Publication Date
CN203686756U true CN203686756U (en) 2014-07-02

Family

ID=51008649

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320781213.3U Expired - Fee Related CN203686756U (en) 2013-12-03 2013-12-03 Street lamp convenient to repair and maintain

Country Status (1)

Country Link
CN (1) CN203686756U (en)

Similar Documents

Publication Publication Date Title
CN101936490A (en) Road lamp
CN201202980Y (en) Folding type lighting lamp
CN203686815U (en) Street lamp casing assembly
CN203686756U (en) Street lamp convenient to repair and maintain
CN203686758U (en) Rotary support type street lamp
CN203686897U (en) Street lamp shell component convenient to overhaul
CN203686911U (en) Hasp hinged type street lamp casing component
CN208935937U (en) Install the housing and LED street light
CN203686759U (en) Fastened and supported street lamp
CN203686899U (en) Casing assembly of fastened and supported street lamp
CN203744065U (en) Articulated street lamp
CN203686816U (en) Hasp supported street lamp
CN203686753U (en) Rotary support hinging-type street lamp
CN203686913U (en) Rotary support hinging-type street lamp housing component
CN203686898U (en) Hasp-bracing shell component for street lamp
CN203686910U (en) Rotary support type street lamp housing component
CN203686757U (en) Hinge support type street lamp
CN203686912U (en) Rotary hinged and buckled street lamp shell component
CN203686754U (en) Street lamp
CN203686755U (en) Rotary hinged and buckled street lamp
CN203718651U (en) Hinged support type lighting street lamp shell assembly
CN203718650U (en) Rotary support hinged type shell assembly of illuminating street lamp
CN203718499U (en) Rotary support hinged type illuminating street lamp
CN203686869U (en) Hasp type street lamp casing component
CN203686752U (en) Rotary hinging type street lamp

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140702

Termination date: 20141203

EXPY Termination of patent right or utility model