CN209517662U - A kind of wiring board local etching jig - Google Patents
A kind of wiring board local etching jig Download PDFInfo
- Publication number
- CN209517662U CN209517662U CN201821954673.0U CN201821954673U CN209517662U CN 209517662 U CN209517662 U CN 209517662U CN 201821954673 U CN201821954673 U CN 201821954673U CN 209517662 U CN209517662 U CN 209517662U
- Authority
- CN
- China
- Prior art keywords
- connection strap
- frame
- upper side
- lower frame
- side frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- ing And Chemical Polishing (AREA)
Abstract
The utility model relates to a kind of wiring board local etching jigs, including lower frame body, upper frame body, limit plate and baffle, upper frame body is set to lower frame body upper surface, limit plate lower part is removably connected with lower frame body, limit plate top is removably connected with upper frame body, upper frame body includes four main frames being arranged in a mutually vertical manner, first connection strap, second connection strap and several spaced locating parts, finite place piece is detachably connected on main frame, baffle is provided on locating part, main frame includes sequentially connected first upper side frame and at least one the second upper side frames, it is connected between adjacent main frame by the first connection strap, it is connected between first upper side frame and the second upper side frame by the second connection strap, it is connected between adjacent second upper side frame by the second connection strap.Wiring board is fixed as jig using upper frame body and lower frame body, the region of local etching is limited by the baffle being arranged on upper frame body, avoids having adhesion between wiring board plate face and baffle and damaging wiring board plate face.
Description
Technical field
The utility model relates to wiring boards to assist production equipment field, control more particularly to a kind of wiring board local etching
Tool.
Background technique
HDI printed circuit board, the control of route line width line-spacing are 3/3mil, integral face higher to copper-plated uniformity requirement
The problems such as copper-base difference requires within 10um, but electroplating work procedure is due to equipment in actual track plate manufacturing process, is difficult copper
Thick very poor control is within 10um.In circuit etching, it often will appear and etch not clean phenomenon, etching not clean region has
Locational uncertainty, degree disparity, the feature of quantity uncertainty.Current jig is generally applicable to circuit board by the gross
It is comprehensively etched, be unable to control etching range and progress subregion etching is etched to plate face.
Utility model content
The purpose of this utility model is to provide a kind of wiring board local etching jigs, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above objectives, the present invention adopts the following technical solutions: a kind of wiring board local etching jig, including
Lower frame body, upper frame body, limit plate and baffle, upper frame body are set to lower frame body upper surface, and limit plate lower part is removably connected with down
Framework, limit plate top are removably connected with upper frame body, and lower frame body includes the first lower frame, the second lower frame, third lower frame
With the 4th lower frame, the first lower frame, the second lower frame, third lower frame and the 4th lower frame head and the tail are connected in turn shape
At closed rectangular shaped rim, if upper frame body include four main frames being arranged in a mutually vertical manner, the first connection strap, the second connection strap and
Spaced locating part is done, four main frame head and the tail are connected in turn to form closed rectangular shaped rim, can on main frame
Dismantling connection finite place piece is provided with baffle on locating part, and main frame includes sequentially connected first upper side frame and at least one
Second upper side frame is detachably connected between adjacent main frame, between the first upper side frame and the second upper side frame by the first connection strap
It is detachably connected by the second connection strap, is detachably connected between adjacent second upper side frame by the second connection strap.
Upper frame body is detachably connected with limit plate respectively with lower frame body, so that upper frame body is capable of fixing at the top of lower frame body,
Lower frame body connects and composes main frame by the second connection strap for clamping wiring board, the first upper side frame and the second upper side frame, adjacent
Main frame is arranged in a mutually vertical manner, and adjacent main frame connects and composes upper side frame by the second connection strap, and upper frame body is for limiting part
The region of etching, limit plate be used for limit upper side frame position and connection upper side frame and lower frame, locating part be used to support gear
Plate, baffle are detachably connected, the second upper side frame for blocking the complete region of etching between the first upper side frame and the second upper side frame
Between be detachably connected, the quantity by increasing by the second upper side frame can increase the length of main frame, the variation of main frame length
So that the coverage area of upper frame body changes, the wiring board of plurality of specifications is adapted to.
Second connection strap is in long strip, the floor projection parallelogram of the second connection strap, the longitudinal direction of the second connection strap
Rectangular in cross-section, the first upper side frame and the second lower frame lower end surface edge offer the company for the accommodating of the second connection strap respectively
Connect groove, the second connection strap and connecting groove clearance fit.
First upper side frame and the second lower frame are linked together by the second connection strap, and adjacent second lower frame passes through second
Connection strap links together, and adjacent second lower frame is detachably connected by the second connection strap, and the first upper side frame and second is below
Frame forms main frame, and the quantity by changing the second lower frame changes the length of main frame, realizes the size for changing upper frame body.
First connection strap is in long strip, and the floor projection of the first connection strap is L-shaped, and the longitudinal cross-section of the first connection strap is in square
Shape, the first connection strap both ends are provided with inclined-plane, the first connection strap and connecting groove clearance fit.
Adjacent main frame is arranged in a mutually vertical manner, and one end of the first connection strap is embedded in the connecting groove of main frame, and first
The other end of connection strap is embedded in the connecting groove of adjacent main frame, and adjacent main frame is connected to one by the first connection strap
It rises to connect and compose rectangular box from beginning to end.
It is respectively separated on first connection strap and the second connection strap and offers several first threaded holes, the first threaded hole internal screw thread
It is connected with the first screw, offers positioning through hole on the first upper side frame and the second upper side frame respectively, positioning through hole connection connection is recessed
Slot, the first threaded hole and positioning through hole are correspondingly arranged, and the first screw runs through positioning through hole.
First upper side frame is detachably connected with the second upper side frame by the first screw and the second connection strap, and the first of main frame
Second upper side frame of upper side frame and adjacent main frame is detachably connected by the first connection strap and the first screw, and installation process is convenient
Simply.
Locating part includes wirerope, and the first upper side frame and the second upper side frame upper surface offer limit hole, wirerope respectively
Both ends are fixed with the limited block with limit hole corresponding matching, and the first upper side frame and the second upper side frame upper surface open up useful respectively
In the limit recess for accommodating wirerope, limit recess connection limit hole.
Division etching area is carried out to wiring board plate face using wirerope mode, pinning for wirerope is can choose and is counted to you
Amount and installation site can etch range to plate face and control.
The floor projection of first upper side frame is in isosceles trapezoid, and the longitudinal cross-section of the first upper side frame is in inverted L shape, under second
The floor projection parallelogram of frame, the longitudinal cross-section of the second upper side frame are in inverted L shape.
The both ends of first upper side frame and the second upper side frame female part can be closely connected, so that structure tends towards stability,
So that upper frame body is not easy to shake.
Baffle is magnetic sheet.
Baffle can adsorb on a steel cord, block the complete region of etching by baffle, limit part erosion by baffle
Carve range.
Baffle bottom surface is provided with through slot, through slot and wirerope clearance fit.
Wirerope can be accommodated in through slot, and wirerope and baffle bottom surface can be fitted close, and prevent steel plate because of vibration
And it falls.
First lower frame, the second lower frame, third lower frame and the 4th lower frame inner wall are respectively arranged with route board slot, line
Road board slot inner wall and slot bottom are provided with rubber layer.
Wiring board side is protected, the destruction for avoiding wiring board by external force causes internal structure to be exposed.
The working principle of the utility model are as follows: by wiring board by the first lower frame, the second lower frame, third lower frame and
4th lower frame is fixed, and then limit plate is mounted on lower frame body, and the first upper side frame and the second upper side frame link together group
At upper frame body, then upper frame body is mounted on limit plate, wirerope is mounted on upper frame body, baffle is placed on wirerope
On, allow the through slot of baffle to be combined with wire rope knot.
The utility model has the following beneficial effects: being fixed wiring board as jig using upper frame body and lower frame body, pass through
The region that baffle on upper frame body limits local etching is set, avoids having between wiring board plate face and baffle adhesion and lesion wire
Road plate plate face.
Detailed description of the invention
The utility model is described in further detail for attached drawing, but the embodiment in attached drawing is not constituted to any of the utility model
Limitation.
Fig. 1 is the structural schematic diagram for the wiring board local etching jig that an embodiment of the present invention provides;
Fig. 2 is the elevational schematic view for the lower frame body that an embodiment of the present invention provides;
Fig. 3 is the structural schematic diagram for the first connection strap that an embodiment of the present invention provides;
Fig. 4 is the structural schematic diagram for the second connection strap that an embodiment of the present invention provides;
Fig. 5 is the schematic top plan view for the first upper side frame that an embodiment of the present invention provides;
Fig. 6 is the schematic side view for the first upper side frame that an embodiment of the present invention provides;
Fig. 7 is the schematic top plan view for the second upper side frame that an embodiment of the present invention provides;
Fig. 8 is the schematic side view for the second upper side frame that an embodiment of the present invention provides;
Fig. 9 is the construction of wire rope schematic diagram that an embodiment of the present invention provides.
Marked in the figure: lower frame body 1, upper frame body 2, the first upper side frame 21, the first upper side frame 22, connecting groove 23, positioning are logical
Hole 231, baffle 24, wirerope 25, limit hole 251, the first connection strap 26, the second connection strap 27, limit plate 3.
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
It should be noted that in the absence of explanation to the contrary, when element is referred to as " being fixed on " or " being set to " separately
One element, it directly on the other element or can may be simultaneously present centering elements, and the noun of locality used is such as " above,
Under, it is left and right " typically refer to it is as shown in Figure 1 up and down, " inside and outside " refer in specific profile it is interior with it is outer.
Embodiment 1
As shown in figures 1 to 9, a kind of wiring board local etching jig that an embodiment of the present invention provides, including lower frame
Body 1, upper frame body 2, limit plate 3 and baffle 24, upper frame body 2 are set to 1 upper surface of lower frame body, and 3 lower part of limit plate is detachably connected
There is a lower frame body 1,3 top of limit plate is removably connected with upper frame body 2, and lower frame body 1 includes the first lower frame, the second lower frame, the
Three lower frames and the 4th lower frame, the first lower frame, the second lower frame, third lower frame and the 4th lower frame head and the tail are sequentially connected
Form closed rectangular shaped rim together, upper frame body 2 includes four articles of main frames being arranged in a mutually vertical manner, the first connection strap 26, the
Two connection straps 27 and several spaced locating parts, four main frame head and the tail are connected in turn to form closed rectangular edges
Frame is detachably connected finite place piece on main frame, baffle 24 is provided on locating part, main frame includes on sequentially connected first
Frame 2221 and at least one the second upper side frames are detachably connected between adjacent main frame, on first by the first connection strap 26
It is detachably connected between frame 2221 and the second upper side frame by the second connection strap 27, passes through second between adjacent second upper side frame
Connection strap 27 is detachably connected.
Upper frame body 2 is detachably connected with limit plate 3 respectively with lower frame body 1, so that upper frame body 2 is capable of fixing in lower frame body 1
Top, lower frame body 1 are connected and composed for clamping wiring board, the first upper side frame 2221 and the second upper side frame by the second connection strap 27
Main frame, adjacent main frame are arranged in a mutually vertical manner, and adjacent main frame connects and composes upper side frame, upper frame body by the second connection strap 27
2 for limiting the region of local etching, and limit plate 3 is used to limit the position of upper side frame and connects upper side frame and lower frame, limit
Position part is used to support baffle 24, baffle 24 for blocking the complete region of etching, the first upper side frame 2221 and the second upper side frame it
Between be detachably connected, be detachably connected between the second upper side frame, by increase the second upper side frame quantity can increase main frame
Length, the variation of main frame length adapts to the wiring board of plurality of specifications so that the coverage area of upper frame body 2 changes.
Second connection strap 27 is in long strip, the floor projection parallelogram of the second connection strap 27, the second connection strap 27
Longitudinal cross-section be in rectangle, the first upper side frame 2221 and the second lower frame lower end surface edge are offered respectively for the second connection
The connecting groove 23 that item 27 accommodates, 23 clearance fit of the second connection strap 27 and connecting groove.
First upper side frame 2221 and the second lower frame are linked together by the second connection strap 27, and adjacent second lower frame is logical
It crosses the second connection strap 27 to link together, adjacent second lower frame is detachably connected by the second connection strap 27, the first upper side frame
2221 and second lower frame form main frame, the quantity by changing the second lower frame changes the length of main frame, realizes and changes
The size of upper frame body 2.
First connection strap 26 is in long strip, and the floor projection of the first connection strap 26 is L-shaped, and the longitudinal direction of the first connection strap 26 is cut
Face is in rectangle, and 26 both ends of the first connection strap are provided with inclined-plane, 23 clearance fit of the first connection strap 26 and connecting groove.
Adjacent main frame is arranged in a mutually vertical manner, and one end of the first connection strap 26 is embedded in the connecting groove 23 of main frame,
The other end of first connection strap 26 is embedded in the connecting groove 23 of adjacent main frame, and adjacent main frame passes through the first connection strap
26 link together to connect and compose rectangular box from beginning to end.
It is respectively separated on first connection strap 26 and the second connection strap 27 and offers several first threaded holes, in the first threaded hole
It is threaded with the first screw, offers positioning through hole 231, positioning through hole respectively on the first upper side frame 2221 and the second upper side frame
231 connection connecting grooves 23, the first threaded hole and positioning through hole 231 are correspondingly arranged, and the first screw runs through positioning through hole 231.
First upper side frame 2221 is detachably connected by the first screw with the second connection strap 27 with the second upper side frame, main frame
The first upper side frame 2221 and the second upper side frame of adjacent main frame be detachably connected by the first connection strap 26 with the first screw,
Installation process is convenient and simple.
Locating part includes wirerope 25, and the first upper side frame 2221 and the second upper side frame upper surface offer limit hole respectively
251,25 both ends of wirerope are fixed with the limited block with 251 corresponding matching of limit hole, the first upper side frame 2221 and the second top
Frame upper surface offers the recess of the limit for accommodating wirerope 25, limit recess connection limit hole 251 respectively.
Division etching area is carried out to wiring board plate face using 25 mode of wirerope, can choose wirerope 25 pin to
Your quantity and installation site can etch range to plate face and control.
The floor projection of first upper side frame 2221 is in isosceles trapezoid, and the longitudinal cross-section of the first upper side frame 2221 is in inverted L
Shape, the floor projection parallelogram of the second lower frame, the longitudinal cross-section of the second upper side frame are in inverted L shape.
The both ends of first upper side frame 2221 and the second upper side frame female part can be closely connected, so that structure tends to be steady
It is fixed, so that upper frame body 2 is not easy to shake.
Baffle 24 is magnetic sheet.
Baffle 24 can be adsorbed on wirerope 25, blocked the complete region of etching by baffle 24, limited by baffle 24
Determine local etching range.
24 bottom surface of baffle is provided with through slot, 25 clearance fit of through slot and wirerope.
Wirerope 25 can be accommodated in through slot, and wirerope 25 and 24 bottom surface of baffle can be fitted close, prevent steel plate because
It is fallen for vibration.
First lower frame, the second lower frame, third lower frame and the 4th lower frame inner wall are respectively arranged with route board slot, line
Road board slot slot bottom and inner wall are provided with rubber layer.
Embodiment 2
A kind of wiring board local etching jig that an embodiment of the present invention provides, including lower frame body 1, upper frame body 2, limit
Position plate 3 and baffle 24, upper frame body 2 are set to 1 upper surface of lower frame body, and 3 lower part of limit plate is removably connected with lower frame body 1, limit
3 top of plate is removably connected with upper frame body 2, and lower frame body 1 includes the first lower frame, the second lower frame, third lower frame and the 4th
Lower frame, the first lower frame, the second lower frame, third lower frame and the 4th lower frame head and the tail are connected in turn to form closing
Rectangular shaped rim, if upper frame body 2 include be arranged in a mutually vertical manner four main frames, the first connection strap 26, the second connection strap 27 and
Spaced locating part is done, four main frame head and the tail are connected in turn to form closed rectangular shaped rim, can on main frame
Dismantling connection finite place piece, is provided with baffle 24 on locating part, and main frame includes sequentially connected first upper side frame 2221 and extremely
Few second upper side frame is detachably connected between adjacent main frame by the first connection strap 26, the first upper side frame 2221 and the
It is detachably connected between two upper side frames by the second connection strap 27, it is removable by the second connection strap 27 between adjacent second upper side frame
Unload connection.
Second connection strap 27 is in long strip, and the floor projection of the second connection strap 27 is in rectangle, the longitudinal direction of the second connection strap 27
Rectangular in cross-section, the first upper side frame 2221 and the second lower frame lower end surface edge offer respectively to hold for the second connection strap 27
The connecting groove 23 set, 23 clearance fit of the second connection strap 27 and connecting groove.
First connection strap 26 is in long strip, and the floor projection of the first connection strap 26 is L-shaped, and the longitudinal direction of the first connection strap 26 is cut
Face is in rectangle, 23 clearance fit of the first connection strap 26 and connecting groove.
Adjacent main frame is arranged in a mutually vertical manner, and one end of the first connection strap 26 is embedded in the connecting groove 23 of main frame,
The other end of first connection strap 26 is embedded in the connecting groove 23 of adjacent main frame, and adjacent main frame passes through the first connection strap
26 link together to connect and compose rectangular box from beginning to end.
It is respectively separated on first connection strap 26 and the second connection strap 27 and offers several first threaded holes, in the first threaded hole
It is threaded with the first screw, offers positioning through hole 231, positioning through hole respectively on the first upper side frame 2221 and the second upper side frame
231 connection connecting grooves 23, the first threaded hole and positioning through hole 231 are correspondingly arranged, and the first screw runs through positioning through hole 231.
Locating part includes wirerope 25, and the first upper side frame 2221 and the second upper side frame upper surface offer limit hole respectively
251,25 both ends of wirerope bend annular in shape respectively, and the first upper side frame 2221 and the second upper side frame upper surface open up useful respectively
In the cylindrical hole for accommodating 25 both ends of wirerope, 25 both ends of wirerope pass through pin shaft connecting cylinder hole, limit recess connection limit hole
251。
Division etching area is carried out to wiring board plate face using 25 mode of wirerope, can choose wirerope 25 pin to
Your quantity and installation site can etch range to plate face and control.
The floor projection of first upper side frame 2221 is in isosceles trapezoid, and the longitudinal cross-section of the first upper side frame 2221 is in inverted L
Shape, the floor projection parallelogram of the second lower frame, the longitudinal cross-section of the second upper side frame are in inverted L shape.
Baffle 24 is resin plate.
24 bottom surface of baffle is provided with rubber layer.
First lower frame, the second lower frame, third lower frame and the 4th lower frame inner wall are respectively arranged with route board slot, line
Road board slot slot bottom and inner wall are provided with wavy rubber layer.Each technical characteristic of embodiment described above can carry out arbitrary group
It closes, for simplicity of description, combination not all possible to each technical characteristic in above-described embodiment is all described, however,
As long as there is no contradiction in the combination of these technical features, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (9)
1. a kind of wiring board local etching jig, it is characterised in that: including lower frame body, upper frame body, limit plate and baffle, upper frame body
It is set to lower frame body upper surface, limit plate lower part is removably connected with lower frame body, and limit plate top is removably connected with upper frame body,
Lower frame body include the first lower frame, the second lower frame, third lower frame and the 4th lower frame, the first lower frame, the second lower frame,
Third lower frame and the 4th lower frame head and the tail are connected in turn to form rectangular shaped rim, and upper frame body includes being arranged in a mutually vertical manner
Four main frames, the first connection strap, the second connection strap and several spaced locating parts, four main frame head and the tail are sequentially connected
Closed rectangular shaped rim is formed together, finite place piece is detachably connected on main frame, and baffle, main frame are provided on locating part
It is removable by the first connection strap between adjacent main frame including sequentially connected first upper side frame and at least one the second upper side frames
Connection is unloaded, is detachably connected between the first upper side frame and the second upper side frame by the second connection strap, between adjacent second upper side frame
It is detachably connected by the second connection strap.
2. wiring board local etching jig according to claim 1, it is characterised in that: second connection strap is in long strip,
The floor projection parallelogram of second connection strap, the longitudinal cross-section of the second connection strap are in rectangle, the first upper side frame and second
Lower frame lower end surface edge offers the connecting groove for the accommodating of the second connection strap, the second connection strap and connecting groove respectively
Clearance fit.
3. wiring board local etching jig according to claim 2, it is characterised in that: first connection strap is in long strip,
The floor projection of first connection strap is L-shaped, and the longitudinal cross-section of the first connection strap is in rectangle, and the first connection strap both ends are provided with tiltedly
Face, the first connection strap and connecting groove clearance fit.
4. wiring board local etching jig according to claim 3, it is characterised in that: first connection strap and the second connection
Be respectively separated on item and offer several first threaded holes, the first threaded hole internal screw thread is connected with the first screw, the first upper side frame and
Positioning through hole is offered on second upper side frame respectively, positioning through hole is connected to connecting groove, and the first threaded hole and positioning through hole are corresponding
Setting, the first screw run through positioning through hole.
5. wiring board local etching jig according to claim 2, it is characterised in that: the locating part includes wirerope, the
One upper side frame and the second upper side frame upper surface offer limit hole respectively, and wirerope both ends are equipped with the limit with limit hole corresponding matching
Position block.
6. wiring board local etching jig according to claim 3, it is characterised in that: the floor projection of first upper side frame
In isosceles trapezoid, the longitudinal cross-section of the first upper side frame is in inverted L shape, the floor projection parallelogram of the second lower frame,
The longitudinal cross-section of second upper side frame is in inverted L shape.
7. wiring board local etching jig according to claim 3, it is characterised in that: the baffle is magnetic sheet.
8. wiring board local etching jig according to claim 3, it is characterised in that: the baffle bottom surface is provided with through slot,
Through slot and wirerope clearance fit.
9. wiring board local etching jig according to claim 1, it is characterised in that: first lower frame, second are below
Frame, third lower frame and the 4th lower frame inner wall are respectively arranged with route board slot, and lower road version slot inner wall is provided with rubber layer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821954673.0U CN209517662U (en) | 2018-11-26 | 2018-11-26 | A kind of wiring board local etching jig |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821954673.0U CN209517662U (en) | 2018-11-26 | 2018-11-26 | A kind of wiring board local etching jig |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209517662U true CN209517662U (en) | 2019-10-18 |
Family
ID=68190602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821954673.0U Active CN209517662U (en) | 2018-11-26 | 2018-11-26 | A kind of wiring board local etching jig |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209517662U (en) |
-
2018
- 2018-11-26 CN CN201821954673.0U patent/CN209517662U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101572329B1 (en) | mount member for aluminum profile | |
CN209517662U (en) | A kind of wiring board local etching jig | |
CN113173484A (en) | Sand mould hoisting structure | |
CN104466858B (en) | Draw ring | |
CN107269640B (en) | LED display screen box body can arc installation fixed knot construct and LED display screen | |
CN207560494U (en) | A kind of location structure of PCB attachments | |
CN203924918U (en) | A kind of lock pin protecting equipment and door | |
CN207111838U (en) | Drag chain and towing chain device | |
CN205602098U (en) | Unmanned aerial vehicle surface of water stops structure | |
CN206379489U (en) | Wire clamp and cable-assembly | |
CN207010118U (en) | A kind of line mouth deck sucker | |
CN207625226U (en) | A kind of flexible chute of building block system | |
CN209507393U (en) | A kind of lifting lug facilitating installation | |
CN206727770U (en) | A kind of new motor housing | |
CN208006540U (en) | A kind of monitoring construction data record plate | |
CN205596448U (en) | Grafting circuit board | |
CN203664602U (en) | Large medium-speed marine engine body shape mold | |
CN210743738U (en) | Cooling device of dry-type transformer | |
KR200481207Y1 (en) | Lug for Lifting Block | |
CN211173670U (en) | Electric meter box protective door frame strip | |
CN211331992U (en) | Cable welding base and welding tool | |
CN208615289U (en) | Large-scale template fastens positioning device | |
CN207739442U (en) | A kind of impact resistance partition plate connecting piece | |
CN201315725Y (en) | Device for shielding wind and fixing a fan and electronic device | |
CN221587666U (en) | Welding strip reel |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |