CN112963431A - Flange bolt with multidirectional self-locking structure - Google Patents
Flange bolt with multidirectional self-locking structure Download PDFInfo
- Publication number
- CN112963431A CN112963431A CN202110209936.5A CN202110209936A CN112963431A CN 112963431 A CN112963431 A CN 112963431A CN 202110209936 A CN202110209936 A CN 202110209936A CN 112963431 A CN112963431 A CN 112963431A
- Authority
- CN
- China
- Prior art keywords
- screw
- lateral
- side direction
- adjusting
- external
- 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.)
- Withdrawn
Links
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 238000001125 extrusion Methods 0.000 claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims description 18
- 238000009434 installation Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 abstract description 2
- 235000011613 Pinus brutia Nutrition 0.000 abstract description 2
- 241000018646 Pinus brutia Species 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/06—Specially-shaped heads
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention relates to the technical field of hardware fasteners, in particular to a flange bolt with a multidirectional self-locking structure. The flange bolt with the multidirectional self-locking structure comprises a screw, a nut and a detachable flange sealing disc, wherein a lateral adjusting groove with a built-in lateral telescopic block and an external adjusting groove with an internal external thread adjusting block are arranged on the outer side of the screw, the lateral telescopic block and the external thread adjusting block are synchronously adjusted through an internal adjusting screw rod in the screw, the external structure is adjustable, and the operation is simple and convenient; the locking mechanism on the outer side of the bolt can be disassembled, so that the early-stage installation and the later-stage disassembly and maintenance are facilitated; the self-locking performance is improved, and the anti-loosening performance is greatly improved; set up the extrusion inclined plane between the face is connected to side direction flexible piece outside and side direction flexible mouthful interior side to promote the spacing ability of assembly, prevent that flange seal dish pine from taking off.
Description
Technical Field
The invention relates to the technical field of hardware fasteners, in particular to a flange bolt with a multidirectional self-locking structure.
Background
The flange bolt is an integral bolt consisting of a hexagonal head, a flange plate (a gasket below the hexagonal head and the hexagonal head are fixed into a whole) and a screw (a cylinder with external threads), and is matched with a nut and used for fastening and connecting parts of two through holes.
Traditional flange bolt simple structure only sets up a ring flange on traditional bolt basis, but can't change its outer structure, leads to it can't be through adjusting the auto-lock, and the most fixed structure simultaneously can't be dismantled, leads to application scope more single.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve the problem that exists among the above-mentioned background art, provide a flange bolt that modified has multidirectional auto-lock structure, solve traditional flange bolt simple structure, can't change its outer structure, lead to it can't be through adjusting the auto-lock, and the most fixed structure simultaneously, unable dismantlement leads to application scope more single problem.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a flange bolt with multidirectional auto-lock structure, includes screw and nut, the screw constitute by screw rod and screw head, the screw be located screw rod and screw head link and be provided with flange seal dish, flange seal dish inside set up a plurality of side direction flexible mouths that are the annular array and arrange, screw head lateral surface on set up the side direction adjustment tank that is linked together with the flexible mouth of side direction, screw rod outside flank of thread correspond the flexible mouthful position of side direction and seted up outside adjustment tank, side direction flexible mouthful and side direction adjustment tank inside be provided with the flexible piece of L type structure side direction, outside adjustment tank inside be provided with the external screw thread regulating block, the screw rod inside set up the first flexible hole that communicates with outside adjustment tank, screw head inside set up the second flexible hole that communicates with side direction adjustment tank, the inside threaded connection of second flexible downthehole have the inside of adjusting screw that is used for adjusting flexible piece of side direction and external screw thread regulating block to adjust The top end of the inner adjusting screw rod is provided with a top adjusting block with a built-in inner hexagonal adjusting groove, and an outer lower counter bore matched with the top adjusting block is formed in the position, located at the outer opening, of the inner portion of the second telescopic hole.
Inside adjusting screw include that the screw assembly is at the inside flexible solenoid of the inside of second flexible hole and peg graft at the inside external screw thread regulation pole of inside flexible solenoid, inside external screw thread regulation pole top and top regulating block fixed connection, inside flexible solenoid lateral surface correspond side direction adjustment tank and outside adjusting tank position and have all seted up annular linkage groove, side direction flexible piece and external screw thread regulating block medial surface on have with the inside linkage piece of annular linkage groove matched with.
Lateral adjusting groove and outside adjusting groove medial surface be located the open position and have an organic whole structure side direction throat strip, side direction flexible piece and external screw thread regulating block lateral surface both ends seted up with side direction throat strip matched with side direction spacing groove.
The inner side surface of the first telescopic hole is provided with an inward convex integrated structure limiting guide strip, the outer arc surface of the inner telescopic solenoid is provided with a side guide groove matched with the limiting guide strip, and the inner telescopic solenoid is sleeved on the limiting guide strip through the side guide groove and is in sliding connection with the first telescopic hole.
The nearly flange of nut sealed dish side on seted up outside spacing groove, the nearly nut lateral surface of side direction flexible piece on have the outside stopper of a body structure, outside spacing inslot portion width widen gradually from interior toward outer, outside stopper outside cross-section and outside spacing inslot portion cross-section size the same.
The cross section of the lateral necking strip is of a right-angle trapezoidal structure.
The sealed inside link of dish of flange seted up interior hexagonal assembly through-hole, the screw be located screw rod and screw head link and be provided with outer hexagonal assembly piece, the side direction flexible mouth in the side direction and the side direction flexible piece outside connect the face between have the extrusion inclined plane.
The invention has the beneficial effects that:
(1) the flange bolt with the multidirectional self-locking structure comprises a screw, a nut and a detachable flange sealing disc, wherein a lateral adjusting groove with a built-in lateral telescopic block and an external adjusting groove with an internal external thread adjusting block are arranged on the outer side of the screw, the lateral telescopic block and the external thread adjusting block are synchronously adjusted through an internal adjusting screw rod in the screw, the external structure is adjustable, and the operation is simple and convenient;
(2) the flange sealing disc is designed in a split structure, the application range is wider, the flange sealing disc is connected with screws on the outer side of an outer hexagonal assembling block through an inner hexagonal assembling through hole sleeve, meanwhile, the flange sealing disc is installed and limited by utilizing an L-shaped structure lateral telescopic block, lateral necking strips are arranged at the opening positions of the inner side surfaces of a lateral adjusting groove and an outer adjusting groove, and the lateral necking strips are used for installing and limiting the lateral telescopic block and an outer thread adjusting block, so that a locking mechanism on the outer side of a bolt can be disassembled, and early-stage installation and later-stage disassembly and maintenance are facilitated;
(3) telescopic holes with built-in internal adjusting screws are formed in the screw rod and the screw head, the lateral necking strips and the external thread adjusting blocks can be synchronously controlled to be telescopically adjusted through the internal adjusting screws, and the screw cap and the thread assembling end are limited through a plurality of positions, so that the self-locking performance is improved, and the anti-loosening performance is greatly improved;
(4) the cross-section of the lateral necking strip is of a right trapezoid structure, so that the external installation is facilitated, the internal anti-loosening performance is improved, and meanwhile, an extrusion inclined plane is arranged between the inner side face of the lateral expansion port and the outer side connecting face of the lateral expansion block, so that the limiting capacity of assembly is improved, and the sealing disc of the flange is prevented from loosening.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an internal schematic view of the internal adjustment screw of the present invention.
FIG. 3 is a schematic view of the flange-sealing disk assembly end of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
FIG. 1, FIG. 2 and FIG. 3 show a flange bolt with multi-directional self-locking structure, which comprises a screw and a nut 1, wherein the screw is composed of a screw rod 2 and a screw head 3, the screw is provided with a flange sealing disk 4 at the connecting end of the screw rod 2 and the screw head 3, a plurality of lateral expansion ports 5 arranged in an annular array are arranged in the flange sealing disk 4, a lateral adjusting groove 6 communicated with the lateral expansion ports 5 is arranged on the outer side surface of the screw head 3, an external adjusting groove 7 is arranged at the position of the outer side thread surface of the screw rod 2 corresponding to the lateral expansion ports 5, L-shaped structure lateral expansion blocks 8 are arranged in the lateral expansion ports 5 and the lateral adjusting groove 6, an external thread adjusting block 9 is arranged in the external adjusting groove 7, a first expansion hole 10 communicated with the external adjusting groove 7 is arranged in the screw rod 2, a second expansion hole 11 communicated with the lateral adjusting groove 6 is arranged in the, the inside threaded connection of second flexible hole 11 has the inside adjusting screw who is used for adjusting flexible piece 8 of side direction and external screw thread regulating block 9, and inside adjusting screw top has the top regulating block 14 of built-in hexagonal socket head 13, and the inside outside open position that is located of second flexible hole 11 is seted up with top regulating block 14 matched with outside sink hole 15.
Example (b): insert interior hexagonal adjustment tank 13 through outside hexagonal spanner and control top regulating block 14, inside external screw thread regulation pole 17 top is connected with 14 lower extreme axial fixings in top regulating block, drives inside external screw thread regulation pole 17 through top regulating block 14 and rotates and drive inside flexible screwed pipe 16 at the inside flexible translation of screw rod 2 to it adjusts with external screw thread regulating block 9 to drive the flexible side direction piece 8 of stretching out and drawing back in step.
Further, in order to cooperate with the internal linkage control, the internal adjusting screw comprises an internal telescopic screw tube 16 which is assembled in the second telescopic hole 11 in a threaded manner and an internal external thread adjusting rod 17 which is inserted in the internal telescopic screw tube 16, the top end of the internal external thread adjusting rod 17 is fixedly connected with a top adjusting block 14, a bottom extrusion blind hole can be formed at the lower end of the internal telescopic screw tube 16, a bottom extrusion spring is fixed at the central position of the inner bottom surface of the second telescopic hole 11, the upper end of the bottom extrusion spring is inserted into the bottom extrusion blind hole to be connected with the internal telescopic screw tube 16, annular linkage grooves 18 are formed on the outer side surface of the internal telescopic screw tube 16 corresponding to the lateral adjusting groove 6 and the outer adjusting groove 7, internal linkage blocks 19 which are matched with the annular linkage grooves 18 are arranged on the inner side surfaces of the lateral telescopic blocks 8 and the external thread adjusting block 9, annular accommodating grooves can be formed on the inner top surface and, accomodate inslot internally mounted extrusion spring in the annular for promote the locking performance of taking off, further, in order to cooperate the outside to prevent taking off, side direction adjustment tank 6 and 7 medial surfaces of outside adjustment tank are located open position and have an organic whole structure side direction necking strip 20, and side direction flexible piece 8 and 9 lateral surfaces of external screw thread adjusting block both ends are seted up with side direction necking strip 20 matched with side direction spacing groove 21.
Further, in order to match with internal limiting guidance, the inner side surface of the first telescopic hole 10 is provided with an inward convex integrated structure limiting guide strip 22, the outer arc surface of the internal telescopic solenoid 16 is provided with a side guide groove 23 matched with the limiting guide strip 22, the internal telescopic solenoid 16 is sleeved on the limiting guide strip 22 through the side guide groove 23 and is in sliding connection with the first telescopic hole 10, further, in order to match with external limiting, the guidance of the limiting mechanism is improved, the side surface of the nut 1, close to the flange sealing disc 4, is provided with an external limiting groove 24, the outer side surface of the lateral telescopic block 8, close to the nut 1, is provided with an integrated structure external limiting block 25, the internal width of the external limiting groove 24 is gradually widened from inside to outside, and the external cross section of the external limiting block 25 is the same as the internal cross section of the external limiting.
Further, for convenient installation and promotion anti-loosening performance, 20 cross-sections of side direction throat strips are right trapezoid structure, and further, for the cooperation loading and unloading, the inside link of flange sealed dish 4 has seted up hexagon socket head cap assembly through-hole, and the screw is located screw rod 2 and 3 links of screw head and is provided with outer hexagonal assembly piece 26, has the extrusion inclined plane between the 5 medial surfaces of side direction throat and the 8 outside connection faces of side direction flexible piece.
The flange bolt with the multidirectional self-locking structure comprises a screw, a nut 1 and a detachable flange sealing disc 4, wherein a lateral adjusting groove 6 with a built-in lateral telescopic block 8 and an external adjusting groove 7 with a built-in external thread adjusting block 9 are arranged on the outer side of the screw, the lateral telescopic block 8 and the external thread adjusting block 9 are synchronously adjusted through an internal adjusting screw rod in the screw, the external structure is adjustable, and the operation is simple and convenient; the flange sealing disk 4 is designed in a split structure, the application range is wider, the flange sealing disk is connected with screws through inner hexagonal assembly through holes sleeved on the outer hexagonal assembly blocks 26, meanwhile, the flange sealing disk 4 is installed and limited through the L-shaped structure lateral telescopic blocks 8, lateral necking strips 20 are arranged at the opening positions of the inner side surfaces of the lateral adjusting grooves 6 and the outer adjusting grooves 7, and the lateral necking strips 20 are used for installing and limiting the lateral telescopic blocks 8 and the outer thread adjusting blocks 9, so that a locking mechanism on the outer side of the bolt can be disassembled, and early-stage installation and later-stage disassembly and maintenance are facilitated; telescopic holes with built-in internal adjusting screws are formed in the screw rod 2 and the screw head 3, the lateral necking strips 20 and the external thread adjusting blocks 9 can be synchronously controlled to be telescopically adjusted through the internal adjusting screws, and the screw cap 1 and the thread assembling end are limited through a plurality of positions, so that the self-locking performance is improved, and the anti-loosening performance is greatly improved; the 20 cross-sections of side direction throat strip are right trapezoid structure, make things convenient for the externally mounted, promote inside anti-loosening performance, set up the extrusion inclined plane simultaneously between 5 medial surfaces of side direction throat and the 8 outside connection faces of side direction flexible piece to promote the spacing ability of assembly, prevent that flange seal dish 4 pine from taking off.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. The utility model provides a flange bolt with multidirectional auto-lock structure, includes screw and nut (1), characterized by: the screw comprises a screw rod (2) and a screw head (3), the screw is arranged at the connecting end of the screw rod (2) and the screw head (3) and is provided with a flange sealing disc (4), a plurality of lateral expansion ports (5) arranged in an annular array are arranged in the flange sealing disc (4), the lateral surface of the screw head (3) is provided with a lateral adjusting groove (6) communicated with the lateral expansion ports (5), the lateral thread surface of the screw rod (2) is provided with an external adjusting groove (7) corresponding to the lateral expansion ports (5), the lateral expansion ports (5) and the lateral adjusting groove (6) are internally provided with L-shaped structure lateral expansion blocks (8), the external adjusting groove (7) is internally provided with an external thread adjusting block (9), the screw rod (2) is internally provided with a first expansion hole (10) communicated with the external adjusting groove (7), screw head (3) inside offer the second that is linked together with side direction adjustment tank (6) and stretch out and draw back hole (11), the inside threaded connection of second stretch out and draw back hole (11) have the inside adjusting screw who is used for adjusting side direction flexible piece (8) and external screw thread regulating block (9), inside adjusting screw top regulating block (14) that have built-in hexagonal socket head adjusting groove (13), the inside outside counter bore (15) under being located outside open position and offering and top regulating block (14) matched with of second stretch out and draw back hole (11).
2. A flange bolt with a multidirectional self-locking structure as defined in claim 1, wherein: inside adjusting screw include inside flexible screwed pipe (16) of screw assembly in second flexible hole (11) inside and peg graft inside external screw thread regulation pole (17) in inside flexible screwed pipe (16), inside external screw thread regulation pole (17) top and top regulating block (14) fixed connection, inside flexible screwed pipe (16) lateral surface correspond side direction adjustment tank (6) and outside adjustment tank (7) position and have all seted up annular linkage groove (18), side direction flexible piece (8) and external screw thread regulating block (9) medial surface on have with annular linkage groove (18) matched with inside linkage block (19).
3. A flange bolt with a multidirectional self-locking structure as defined in claim 1, wherein: lateral adjusting groove (6) and outside adjusting groove (7) medial surface be located open position and have an organic whole structure side direction necking strip (20), side direction flexible piece (8) and external screw thread regulating block (9) lateral surface both ends seted up with side direction necking strip (20) matched with side direction spacing groove (21).
4. A flange bolt with a multidirectional self-locking structure as defined in claim 2, wherein: the inner side face of the first telescopic hole (10) is provided with an inward protruding integrated structure limiting guide strip (22), the outer side arc face of the inner telescopic solenoid (16) is provided with a side guide groove (23) matched with the limiting guide strip (22), and the inner telescopic solenoid (16) is sleeved on the limiting guide strip (22) through the side guide groove (23) and is in sliding connection with the first telescopic hole (10).
5. A flange bolt with a multidirectional self-locking structure as defined in claim 1, wherein: nut (1) nearly flange seal dish (4) side on seted up outside spacing groove (24), nearly nut (1) lateral surface of side direction flexible piece (8) on have outside stopper (25) of body structure, outside spacing groove (24) inside width from interior toward outer gradual broadening, outside stopper (25) outside cross-section and outside spacing groove (24) inside cross-section size the same.
6. A flange bolt with a multidirectional self-locking structure according to claim 4, wherein: the cross section of the lateral necking strip (20) is of a right-angle trapezoidal structure.
7. A flange bolt with a multidirectional self-locking structure as defined in claim 1, wherein: the sealed dish of flange (4) inside link seted up interior hexagonal assembly through-hole, the screw be located screw rod (2) and screw head (3) link and be provided with outer hexagonal assembly piece (26), side direction throat (5) medial surface and side direction flexible piece (8) outside connect the face between have the extrusion inclined plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110209936.5A CN112963431A (en) | 2021-02-25 | 2021-02-25 | Flange bolt with multidirectional self-locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110209936.5A CN112963431A (en) | 2021-02-25 | 2021-02-25 | Flange bolt with multidirectional self-locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112963431A true CN112963431A (en) | 2021-06-15 |
Family
ID=76286064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110209936.5A Withdrawn CN112963431A (en) | 2021-02-25 | 2021-02-25 | Flange bolt with multidirectional self-locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112963431A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113677140A (en) * | 2021-08-15 | 2021-11-19 | 南京明科电子科技有限公司 | PCBA board fixed knot of spring mounting constructs |
-
2021
- 2021-02-25 CN CN202110209936.5A patent/CN112963431A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113677140A (en) * | 2021-08-15 | 2021-11-19 | 南京明科电子科技有限公司 | PCBA board fixed knot of spring mounting constructs |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112324782B (en) | Easily accomodate formula folding bolt | |
| CN113007186A (en) | Flange plate with adjustable internal structure | |
| CN112963431A (en) | Flange bolt with multidirectional self-locking structure | |
| CN219242403U (en) | Valve handle fixing structure | |
| CN112901634A (en) | Self-locking fastener with adjustable locking position | |
| CN112963432A (en) | Flange bolt with adjustable structure | |
| CN108869757A (en) | A kind of simple high-seal valve of side rotating regulation type | |
| CN210372054U (en) | Telescopic butterfly valve | |
| CN209638844U (en) | A kind of headlamp convenient for Fast Installation and maintenance | |
| CN112412946A (en) | Fastening bolt with telescopic adjusting mechanism | |
| CN112431835A (en) | Assembling bolt with telescopic elastic mechanism | |
| CN217301620U (en) | High leakproofness integral type forging needle valve | |
| CN2849364Y (en) | Butt jointing part movable ball valve with regulator | |
| CN219673337U (en) | Replaceable bellows safety valve | |
| CN214790624U (en) | Desk lamp with adjustable illumination angle | |
| CN217583301U (en) | Air faucet | |
| CN212774452U (en) | Throttling structure of lubricating oil channel of cylinder cover of automobile engine | |
| CN216344169U (en) | Mechanical pressure-regulating backflow valve device | |
| CN115264090A (en) | High leakproofness's needle valve of taking out conversely | |
| CN218971949U (en) | Valve island with cut-off adjusting function | |
| CN213271066U (en) | High-performance butterfly valve | |
| CN108758457B (en) | LED lighting tunnel lamp | |
| CN218118822U (en) | Novel throttle valve | |
| CN220816567U (en) | Modularized instrument tube valve element easy to plug | |
| CN212251248U (en) | Rotation angle valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210615 |