CN208852535U - A kind of lid that can be self-locking - Google Patents
A kind of lid that can be self-locking Download PDFInfo
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- CN208852535U CN208852535U CN201821389042.9U CN201821389042U CN208852535U CN 208852535 U CN208852535 U CN 208852535U CN 201821389042 U CN201821389042 U CN 201821389042U CN 208852535 U CN208852535 U CN 208852535U
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- cylinder
- positioning pin
- lid
- fixedly connected
- locking
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Abstract
The utility model discloses a kind of lids that can be self-locking, belong to a kind of lid；Its key points of the technical solution are that including the cylinder and locking assembly that can extend into screen pipe；Locking assembly includes two positioning pins being plugged on cylinder and the spring being fixedly connected with positioning pin one end；Symmetrically arranged sliding slot there are two being opened up on cylinder, and sliding slot is horizontally disposed, positioning pin is installed in sliding slot, and positioning pin can slide in sliding slot along the length direction of sliding slot；The card slot protruded into there are two being opened up on the inner peripheral surface of screen pipe for positioning pin；Spring is fixedly connected on the one end of positioning pin far from card slot, and one end of the remotely located pin of spring is fixedly connected with the side wall of sliding slot；The driving assembly that can drive positioning pin and exact separation is additionally provided in cylinder；The utility model, which solves, is easy residual sundries in the groove of screw thread, cause lid that can not be mounted on screen pipe, it is on screen pipe and easy to disassemble to have achieved the effect that lid is not influenced to be mounted on by sundries.
Description
Technical field
The utility model relates to a kind of lids, more specifically, it is related to a kind of lid that can be self-locking.
Background technique
At present during treegarden irrigation, generally use rainwater irrigation form gardens are irrigated, save use at
This.But during being irrigated using rainwater, because containing a large amount of impurity in the rainwater that is collected into, when being irrigated
Need by rainwater large granular impurity and silt removal；During being irrigated, it is typically employed in water outlet setting
One group of filter device by rainwater impurity and silt remove.
Filter assemblies always as shown in Figure 1, including screen pipe 1, the water inlet pipe being fixedly connected on screen pipe 1 11 and
Outlet pipe 12；The axis of water inlet pipe 11 and the axis of screen pipe 1 are vertical, and the axis of outlet pipe 12 and the axis of screen pipe 1 are overlapped；
After using one surely time, the filter core in screen pipe 1 is needed replacing, it can be common that be threadedly attached on screen pipe 1
Threaded cap is in filter core in screen pipe 1, opens threaded cap in replacement；But during replacing filter core, filter core
Meeting and filtering inside pipe wall contact, thread groove and filter core rub, and the sundries on filter core is caused to be easy to remain in the ditch of screw thread
In slot, cause threaded cap that can not be threadedly coupled with screen pipe.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of lid that can be self-locking,
The self-locking of lid is realized by locking assembly, and not will receive sundries etc. to influence.
To achieve the above object, the utility model provides following technical solution: a kind of lid that can be self-locking, including energy
It enough protrudes into cylinder in screen pipe and is set to the intracorporal locking assembly of column；
Locking assembly includes two positioning pins being plugged on cylinder and the spring being fixedly connected with positioning pin one end；
Symmetrically arranged sliding slot there are two being opened up on cylinder, and sliding slot is horizontally disposed, positioning pin is installed in sliding slot, and fixed
Position pin can slide in sliding slot along the length direction of sliding slot；
The card slot protruded into there are two being opened up on the inner peripheral surface of screen pipe for positioning pin；
Spring is fixedly connected on the one end of positioning pin far from card slot, and one end of the remotely located pin of spring and the side wall of sliding slot are solid
Fixed connection；
And the driving assembly that can drive positioning pin and exact separation is additionally provided in cylinder.
By using above-mentioned technical proposal, when installing lid, it is only necessary to protrude into screen pipe cylinder, enforce column
Body moves cylinder in screen pipe, and positioning pin is by the side wall compression and back sliding slot of screen pipe at this time, when cylinder moves certain distance
Afterwards, positioning pin and card slot alignment, then positioning pin protrudes into card slot under the action of the spring, and positioning pin is stuck in card slot, Neng Gouzhu
Body is stuck in screen pipe, is mounted on lid on screen pipe, when needing to disassemble lid from screen pipe, passes through driving group
Part drives positioning pin and exact separation, i.e., detachable lid easy to operate.
The utility model is further arranged to: the one end of the positioning pin far from spring is arcwall face, and the axis of arcwall face
The axis of line and cylinder is orthogonal.
By using above-mentioned technical proposal, the face of positioning pin and screen pipe contact is generally plane, but screen pipe is interior
Surface is curved surface, so positioning pin and screen pipe contact are that line contacts, during positioning pin is moved with cylinder, easy pair
The inner wall of screen pipe causes to scratch, and during taking out filter core, scratch is easy to scrape foreign matter on filter core, influences the peace of cylinder
Dress, arcwall face and the contact of screen pipe side wall are face contact, scratch will not be left on screen pipe side wall, and then will not hang lower filter
On foreign matter, the installation of cylinder will not be impacted.
The utility model is further arranged to: the column body offers inner cavity and inner cavity and sliding slot communicate, driving group
Part is located in inner cavity；
The upper end of cylinder is fixedly connected with cylinder；
Driving assembly includes the shaft being vertically arranged in the lumen and the rotation lid being fixedly connected with shaft upper end；
The upper end of shaft passes through cylinder and cylinder, and rotation lid covers on cylinder；
Transverse slat is fixedly connected on the periphery that shaft is in inner cavity, transverse slat is hinged with connection far from one end of shaft
Plate, connecting plate is hinged with convex block far from one end of transverse slat, and convex block is fixedly connected on positioning pin.
By using above-mentioned technical proposal, when needing to dismantle lower cover, rotation rotation lid, rotation lid drives shaft to turn
Dynamic, so that transverse slat be made to rotate, transverse slat drives connecting plate with movement, and connecting plate and lagging hinge, and connecting plate and convex block are hinged,
Convex block is fixedly connected with positioning pin, so connecting plate will drive positioning pin and move together, but positioning pin is merely able in sliding slot
Sliding, so positioning pin can be moved to the direction far from card slot, thus make positioning pin and exact separation, i.e., detachable lower cover.
The utility model is further arranged to: the shaft upper end is fixedly connected with rotation lid, and cylinder upper end is fixedly connected
There is cylinder, and the diameter of cylinder is straight smaller than note cylinder, rotation lid covers on cylinder, and can rotate；
Rotation lid lower end is fixedly connected with annulus, and the groove of the annular rotated inside for annulus is offered on cylinder.
It by using above-mentioned technical proposal, is covered on cylinder if rotation lid is only simple, in rotation lid rotation
It is easy to happen the phenomenon that being detached from from cylinder in the process, rotates the phenomenon that being stamped disengaging generation, and then cause cylinder that can rise, only
It is that transverse slat and connecting plate deform, influences the use of driving assembly；The cooperation of annulus and groove, will not be to the rotation of rotation lid
It impacts, additionally it is possible to prevent rotation to be stamped the trend for being detached from cylinder, enable driving assembly normal use.
The utility model is further arranged to: sealing ring is embedded on the cylinder disc, and sealing ring is in positioning pin
Lower section.
By using above-mentioned technical proposal, at work, the water for having part passes through cylinder and screen pipe to screen pipe
Between gap outflow, the water of outflow causes the pollution of environment, sealing ring is fixedly connected on the periphery of place cylinder, seals
Circle is in the lower section of positioning pin, and sealing ring plays the role of sealing, can prevent gap stream of the water between cylinder and screen pipe
Out.
The utility model is further arranged to: it is opened up on the inner peripheral surface of the screen pipe there are two vertical locating slot,
And locating slot lower end and card slot part communicate.
By using above-mentioned technical proposal, needing to rotate screen pipe after cylinder is installed into screen pipe can make to position
Pin enter card slot in, offer locating slot, in mounting cylinder, a part of positioning pin be in locating slot, and locating slot with
Card slot communicates, and positioning pin slides into locating slot bottom end in locating slot to be entered in card slot, convenient and efficient.
The utility model is further arranged to: the locating slot upper end is hinged with baffle.
By using above-mentioned technical proposal, if there will be sundries to fall into locating slot without baffle, influences positioning pin and exist
Movement in locating slot, baffle can block the upper end of locating slot, reduce the sundries of entrance, and panel hinge can make to keep off
Plate rotation, when positioning pin enters locating slot, not will cause interference, positioning pin is enable to can smoothly enter into locating slot.
The utility model is further arranged to: the baffle is fixedly connected to close to the two sidewalls of locating slot bottom end
Horizontal axis, horizontal axis are plugged on the side wall of locating slot, and horizontal axis can rotate on the side wall of locating slot along the axis of horizontal axis；
Torsional spring is socketed on horizontal axis, the both ends of torsional spring are respectively fixedly connected on the side wall of locating slot and baffle.
By using above-mentioned technical proposal, torsional spring is arranged on the horizontal axis of baffle can apply torsional spring when dam forces rotate
Power, when baffle no longer stress, baffle can under the action of torsional spring homing, and torsional spring will not be to the rotation direction of baffle
It is defined, so baffle both direction can rotate upward or downward, so that baffle be made not pass in and out locating slot to positioning pin
It impacts.
In conclusion the utility model has the advantages that compared with the prior art
1. there are two positioning pins, positioning pin to be also fixedly connected with spring, offer on the inner wall of screen pipe for grafting on cylinder
Card slot, positioning pin can protrude into card slot under the action of the spring, to realize the self-locking of lid；
2. being plugged with shaft in cylinder, it is fixedly connected with transverse slat in rotation, is hinged with connecting plate on transverse slat, it is hinged on connecting plate
There is convex block, convex block is fixedly connected with positioning pin, and rotating shaft can make positioning pin and exact separation, can quickly and easily be torn open
Unload lid.
Detailed description of the invention
The structure chart of screen pipe in Fig. 1 background technique；
Fig. 2 is the structure chart in embodiment after lid installation；
Fig. 3 is the cross-sectional view that cylinder installation is highlighted in embodiment；
Fig. 4 is the cross-sectional view that driving assembly structure is highlighted in embodiment；
Fig. 5 is the cross-sectional view that fixture block and arc groove relationship are highlighted in embodiment；
Fig. 6 is that the structure chart for determining locating slot is highlighted in embodiment；
Fig. 7 is the portion A enlarged drawing in Fig. 6.
In figure: 1, screen pipe；11, water inlet pipe；12, outlet pipe；13, card slot；15, locating slot；16, baffle；17, horizontal axis；
18, torsional spring；2, cylinder；21, sliding slot；22, sealing ring；23, inner cavity；24, cylinder；25, through-hole；26, groove；27, arc groove；3,
Locking assembly；31, positioning pin；311, cambered surface；32, spring；33, convex block；34, connecting plate；4, driving assembly；41, shaft；42,
Rotation lid；43, transverse slat；44, vertical pivot；45, annulus；46, fixture block.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.The wherein identical attached drawing of identical components
Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to
It is the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements geometry
The direction at center.
Embodiment: a kind of lid that can be self-locking, as shown in Figures 2 and 3, including can put in the cylinder 2 of screen pipe 1 with
And the locking assembly 3 in cylinder 2；Locking assembly 3 include two positioning pins 31 being plugged on 2 periphery of cylinder and and
The spring 32 that positioning pin 31 is fixedly connected；Two 31 horizontal symmetrical of positioning pin settings, and cylinder 2 is offered and is slided for positioning pin 31
Dynamic sliding slot 21 offers the card slot 13 protruded into for positioning pin 31 on 1 inner headed face of screen pipe；Spring 32 is fixedly connected on positioning
The one end of pin 31 far from card slot 13, and one end of the remotely located pin 31 of spring 32 is fixedly connected on the side wall of sliding slot 21；Positioning
Pin 31 is cambered surface 311 far from spring one end, and the axis of the axis of cambered surface 311 and cylinder 2 is mutually vertical (referring to fig. 4)；By column
After body 2 protrudes into screen pipe 1, cylinder 2 is moved downward, then the positioning pin 31 being plugged on cylinder 2 will be filtered the compression of 1 side wall of pipe
It returns in sliding slot 21, when cylinder 2 is moved downwardly to sliding slot 21 and card slot 13 is aligned, positioning pin 31 is understood under the action of spring 32,
It protrudes into card slot 13, is stuck in positioning pin 31 in card slot 13, so that cylinder 2 be made to be stuck in screen pipe 1；The cambered surface of positioning pin 31
311 can prevent positioning pin 31 from causing to scratch to the inner wall of screen pipe 1 during as cylinder 2 moves downward, and position
On 2 periphery of cylinder of the lower section of pin 31 it is embedded with sealing ring 22, after cylinder 2 is installed into screen pipe 1, sealing ring 22 is tightly
It is fitted on the inner wall of screen pipe 1, plays the role of sealing.
As shown in Figure 3 and Figure 4, inner cavity 23 is offered in cylinder 2, driving assembly 4 is equipped in inner cavity 23, and driving assembly 4 wraps
The rotation lid 42 for including shaft 41 and being fixedly connected with 41 upper end of shaft；The bottom surface of inner cavity 23 and the top surface of sliding slot 21 are overlapped, therefore
A part of inner cavity 23 and sliding slot 21 communicates；The upper end of cylinder 2 is fixedly connected with cylinder 24；The top surface of inner cavity 23 offers through-hole
25, through-hole 25 penetrates through cylinder 2 and cylinder 24, and the axis of the axis of through-hole 25 and cylinder 2 is overlapped；Shaft 41 is plugged on through-hole
In 25, the lower end of shaft 41 is in inner cavity 23, the upper end of the upper end protrusion through-hole 25 of shaft 41, and the upper end of shaft 41 is fixed
It is connected with rotation lid 42, rotates 42 sets of lid on cylinder 24；Two are fixedly connected on the periphery that shaft 41 is in inner cavity 23
A transverse slat 43, the upper surface of each positioning pin 31 are fixedly connected with convex block 33, and convex block 33 raises upward in inner cavity, convex block 33
Upper surface be hinged with connecting plate 34, the one end of one end and transverse slat 43 far from shaft 41 of connecting plate 34 far from convex block 33 is hinged；
By rotating 42 rotating shaft 41 of lid, shaft 41 is moved with motion plate 43, then the connecting plate 34 hinged with transverse slat 43 is also transported therewith
Dynamic, positioning pin 31 is linked together by convex block 33 and connecting plate 34, but positioning pin 31 is in sliding slot 21, so with cross
Plate 43 drives the movement of connecting plate 34, positioning pin 31 can be pulled to move to the direction far from screen pipe 1, to make positioning pin 31
It separates with card slot 13, at this moment can take out cylinder 2 out of screen pipe 1；The upper end of shaft 41 is fixedly connected with rotation lid 42, and
Because 42 sets of lid of rotation is on cylinder 24, shaft 41 will not decline in through-hole 25, the lower end of shaft 41 will not and inner cavity
23 bottom surface contact, is unaffected the rotation of shaft 41.
As shown in figure 4, the lower end of shaft 41 is fixedly connected with vertical pivot 44, vertical pivot 44 is plugged on the bottom surface of inner cavity 23, and
Shaft 44 can be rotated along the axis of itself；Although shaft 41 is mostly in through-hole 25, positioning pin 31 is driven to transport
Dynamic transverse slat 43 is in shaft 41 on the periphery of lower end, so the lower end of shaft 41 is easy to happen offset, influences shaft
41 rotation；The bottom surface rotation connection of the lower end and inner cavity 23 of vertical pivot 44, and the upper end of shaft 44 is fixedly connected with shaft 41, institute
It can play the role of limit to the lower end of shaft 41 with vertical pivot 44, shaft 41 is made not shift when rotating.
As shown in figure 4, offering the groove 26 of annular on the periphery of cylinder 24, and groove 26 is close to the upper end of cylinder 2
Setting, the lower end of rotation lid 42 are fixedly connected with annulus 45, and the outer circumference surface phase of the outer circumference surface of annulus 45 and rotation lid 42
It is flat；When rotation lid 42 is set on cylinder 24, annulus 45 is in groove 26, and annulus 45 can be in groove 26 along cylinder
24 center of circle rotation；Annulus 45 and cooperation with groove 26 can make to rotate lid 42 and slide on cylinder 24, and can not be detached from
Cylinder 24.
As shown in figure 5, the upper surface of cylinder 24 is opened up there are two symmetrically arranged arc groove 27, the inner periphery of lid 42 is rotated
It is fixedly connected on face there are two fixture block 46, fixture block 46 is in arc groove 27, and when rotation rotates lid 42, fixture block 46 is in arc groove
Sliding in 27, when the side wall of fixture block 46 and the side wall of arc groove 27 are bonded, rotation lid 42 would not can be rotated further by, and be prevented spin-ended
The amplitude that hub cap 42 rotates is excessive and then causes the distance of the movement of positioning pin 31 excessive, and positioning pin 31 is caused to compress spring 32
It is excessively serious, influence the service life of spring 32.
As shown in Figure 6 and Figure 7, vertical locating slot 15 there are two being opened up on the inner peripheral surface of screen pipe 1, and locating slot 15
Lower end and card slot 13 communicate, but the depth of locating slot 15 is than the depth as shallow of card slot 13；It is hinged on the inner wall of locating slot 15
Baffle 16, and baffle 16 is arranged close to the upper end of locating slot 15, the upper surface of baffle 16 is equal with the upper surface of screen pipe 1；Gear
Horizontal axis 17 there are two being fixedly connected on the two sidewalls of plate 16, horizontal axis 17 is plugged on the side wall of locating slot 15, and horizontal axis 17 can
Rotated along the axis of itself, be socketed with torsional spring 18 on horizontal axis 17, the both ends of torsional spring 18 respectively with the side wall of locating slot 15 and
The side wall of baffle 16 is fixedly connected；When installing lid, it is aligned positioning pin 31 and locating slot 15 on cylinder 2, and locating slot
The not enough holding locating pins 31 of 15 depth, so the major part of positioning pin 31 can be positioned after cylinder 2 enters screen pipe 1
In the side wall compression and back sliding slot 21 of slot 15, but positioning pin 31 still can cooperate with locating slot 15, limit the movement of cylinder 2
It is fixed, and locating slot 15 and card slot 13 communicate, so the positioning pin 31 on cylinder 2 can be made fast and accurately to enter in card slot 13,
It is mounted on lid on screen pipe, and completes self-locking；Baffle 16 can prevent foreign matter from entering in locating slot 15, influence positioning pin 31 and exist
Sliding in locating slot 15；Baffle 16 is hinged and is able to maintain horizontality under the action of torsional spring 18, carries out to locating slot 15
It blocks and will not influence positioning pin 31 and enter locating slot 15.
Specifically used mode: when installing lid, making the positioning pin 31 on cylinder 2 to locating slot 15 is turned, then firmly to
Lower promotion cylinder 2, until positioning pin 31 protrudes into card slot 13, the lid component 3 that has been locked is fixed on screen pipe 1 at this time；
When dismantling lid, rotation rotation lid 42 can be such that positioning pin 31 and card slot 13 separates, and firmly pull out cylinder 2 at this time, i.e.,
Lid and screen pipe 1 can be made to separate, complete the movement of disassembly.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. the lid that one kind can be self-locking, it is characterised in that: including the cylinder (2) that can extend into screen pipe (1) and be set to
Locking assembly (3) in cylinder (2)；
Locking assembly (3) includes two positioning pins (31) being plugged on cylinder (2) and fixes company with positioning pin (31) one end
The spring (32) connect；
There are two opening up on cylinder (2) symmetrically arranged sliding slot (21), and sliding slot (21) is horizontally disposed, and positioning pin (31) is installed on
In sliding slot (21), and positioning pin (31) can slide in sliding slot (21) along the length direction of sliding slot (21)；
The card slot (13) protruded into there are two being opened up on the inner peripheral surface of screen pipe (1) for positioning pin (31)；
Spring (32) be fixedly connected on positioning pin (31) far from card slot (13) one end, the one of spring (32) remotely located pin (31)
End is fixedly connected with the side wall of sliding slot (21)；
And the driving assembly (4) that positioning pin (31) and card slot (13) can be driven to separate is additionally provided in cylinder (2).
2. the lid that one kind according to claim 1 can be self-locking, it is characterised in that: the positioning pin (31) is far from spring
(32) one end is arcwall face, and the axis of the axis of arcwall face and cylinder (24) is orthogonal.
3. the lid that one kind according to claim 1 can be self-locking, it is characterised in that: offered inside the cylinder (2)
Inner cavity (23) and inner cavity (23) and sliding slot (21) communicate, and driving assembly (4) is located in inner cavity (23)；
The upper end of cylinder (2) is fixedly connected with cylinder (24)；
Driving assembly (4) includes the shaft (41) being vertically arranged in inner cavity (23) and is fixedly connected with shaft (41) upper end
Rotation lid (42)；
The upper end of shaft (41) passes through cylinder (2) and cylinder (24), and rotation lid (42) covers on cylinder (24)；
It is fixedly connected on the periphery that shaft (41) is in inner cavity (23) transverse slat (43), transverse slat (43) is far from shaft (41)
One end is hinged with connecting plate (34), and connecting plate (34) is hinged with convex block (33) far from the one end of transverse slat (43), and convex block (33) is solid
Surely it is connected on positioning pin (31).
4. the lid that one kind according to claim 3 can be self-locking, it is characterised in that: shaft (41) upper end is fixed to be connected
It is connected to rotation lid (42), cylinder (2) upper end is fixedly connected with cylinder (24), and the diameter of cylinder (24) is more straight than note cylinder (2)
Small, rotation lid (42) covers on cylinder (24), and can rotate；
Rotation lid (42) lower end is fixedly connected with annulus (45), and the ring rotated inside for annulus (45) is offered on cylinder (24)
The groove (26) of shape.
5. the lid that one kind according to claim 1 can be self-locking, it is characterised in that: be embedded on cylinder (2) disc
Have sealing ring (22), and sealing ring (22) is in the lower section of positioning pin (31).
6. the lid that one kind according to claim 1 can be self-locking, it is characterised in that: the inner periphery of the screen pipe (1)
Vertical locating slot (15) there are two being opened up on face, and the lower end of locating slot (15) and card slot (13) partially communicate.
7. the lid that one kind according to claim 6 can be self-locking, it is characterised in that: locating slot (15) upper end is hinged
There are baffle (16).
8. the lid that one kind according to claim 7 can be self-locking, it is characterised in that: the baffle (16) is close to locating slot
(15) two sidewalls of bottom end are fixedly connected to horizontal axis (17), and horizontal axis (17) is plugged on the side wall of locating slot (15), and
Horizontal axis (17) can rotate on the side wall of locating slot (15) along the axis of horizontal axis (17)；
It is socketed on horizontal axis (17) torsional spring (18), the both ends of torsional spring (18) are respectively fixedly connected in locating slot (15) and baffle (16)
Side wall on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821389042.9U CN208852535U (en) | 2018-08-28 | 2018-08-28 | A kind of lid that can be self-locking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821389042.9U CN208852535U (en) | 2018-08-28 | 2018-08-28 | A kind of lid that can be self-locking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208852535U true CN208852535U (en) | 2019-05-14 |
Family
ID=66415886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821389042.9U Active CN208852535U (en) | 2018-08-28 | 2018-08-28 | A kind of lid that can be self-locking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208852535U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110435305A (en) * | 2019-06-24 | 2019-11-12 | 天津瑞贝精密机械技术研发有限公司 | A kind of band reserves the mark clamping tooling of hole sleeve |
| CN113258522A (en) * | 2021-05-22 | 2021-08-13 | 郑州恒宇电力工程有限公司 | Cable trench and construction process thereof |
-
2018
- 2018-08-28 CN CN201821389042.9U patent/CN208852535U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110435305A (en) * | 2019-06-24 | 2019-11-12 | 天津瑞贝精密机械技术研发有限公司 | A kind of band reserves the mark clamping tooling of hole sleeve |
| CN110435305B (en) * | 2019-06-24 | 2024-05-28 | 天津瑞贝精密机械技术研发有限公司 | Marking clamping tool with preformed hole sleeve |
| CN113258522A (en) * | 2021-05-22 | 2021-08-13 | 郑州恒宇电力工程有限公司 | Cable trench and construction process thereof |
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