CN214659529U - Fast-assembling door hinge - Google Patents
Fast-assembling door hinge Download PDFInfo
- Publication number
- CN214659529U CN214659529U CN202120976918.5U CN202120976918U CN214659529U CN 214659529 U CN214659529 U CN 214659529U CN 202120976918 U CN202120976918 U CN 202120976918U CN 214659529 U CN214659529 U CN 214659529U
- Authority
- CN
- China
- Prior art keywords
- connecting cylinder
- installation
- cylinder
- door
- mounting
- 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
Images
Abstract
The application relates to a quick-mounting door hinge, which belongs to the technical field of door mounting structures and comprises two page bodies and a connecting structure arranged between the two page bodies; the page body comprises mounting cylinders, and the mounting cylinders of the two page bodies are arranged at intervals; the connecting structure comprises a connecting cylinder arranged in one of the installation cylinders in a penetrating manner and a pin shaft arranged in the other installation cylinder in a penetrating manner, and one end of the pin shaft extends into the connecting cylinder and is detachably connected with the connecting cylinder. In the installation, earlier fix door and door frame respectively with two installation section of thick bamboos on, then wear to establish the installation section of thick bamboo of being connected with the door frame with the connecting cylinder in, make the installation section of thick bamboo butt on the door to the top of installation section of thick bamboo on the door frame again, make the butt of two installation sections of thick bamboos tentatively fix a position the door, make two installation sections of thick bamboos align the back, penetrate the connecting cylinder rather than fixing in the installation section of thick bamboo on with the round pin axle from the door, can accomplish the installation of door hinge, the staff need not long-time with the state of lifting up the door carry out the installation work, staff's intensity of labour has been reduced, and the installation efficiency is improved.
Description
Technical Field
The application relates to the field of door mounting structures, in particular to a quick-mounting door hinge.
Background
The door hinge is a connecting piece used for hinging the door on the doorframe, and provides a stable supporting effect for the rotation of the door on the doorframe. At present, door hinge generally comprises two upper and lower sleeves, all sets firmly the connecting plate that is used for being connected with door or door frame on each sleeve, and two sleeves all overlap and establish on a round pin axle, make two connecting plates can rotate around the axis of round pin axle relatively.
In the installation, need be earlier with two connecting plates fixed respectively to door and door frame on, then insert the sleeve on the door frame with the round pin axle, lift whole door again, make the sleeve on the door align with the round pin axle, overlap the sleeve on the round pin axle from round pin axle top again, can realize the connection of door and door frame.
However, at least two door hinges are required to be used on one door, the pin shaft and the sleeve in the upper door hinge and the lower door hinge are difficult to align simultaneously in the installation process, a worker needs to align the pin shaft and the sleeve repeatedly in a door lifting state for a long time, the labor intensity is high, and the installation efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to improve the convenience of door hinge in the installation, improve the installation effectiveness, this application provides a ready-package door hinge.
The application provides a ready-package door hinge adopts following technical scheme:
a quick-mounting door hinge comprises two hinge bodies and a connecting structure arranged between the two hinge bodies; the page body comprises mounting cylinders, and the mounting cylinders of the two page bodies are arranged at intervals; the connecting structure comprises a connecting cylinder arranged in one of the installation cylinders in a penetrating manner and a pin shaft arranged in the other installation cylinder in a penetrating manner, and one end of the pin shaft extends into the connecting cylinder and is detachably connected with the connecting cylinder.
Through adopting above-mentioned technical scheme, in the installation, earlier fix door and door frame with two installation section of thick bamboo respectively on, then wear to establish the installation section of thick bamboo of being connected with the doorframe with the connecting cylinder in, lift up the door again, make the installation section of thick bamboo butt on the door to the top of installation section of thick bamboo on the doorframe, make the butt of two installation sections of thick bamboo carry out preliminary location to the door, then the position of fine tuning door, make two installation sections of thick bamboo align the back, at last with the round pin axle penetrate the connecting cylinder in the installation section of thick bamboo on the door, and make round pin axle and connecting cylinder fixed together, can accomplish the installation of door hinge, make the door rotate around the axis of round pin axle. In the installation, the staff need not long-time state in order to lift up the door, has reduced staff's intensity of labour, has improved the installation effectiveness.
Optionally, a backing ring is fixedly arranged at the end part of the connecting cylinder, which is close to the mounting cylinder connected with the pin shaft, and the end parts, which are close to each other, of the two mounting cylinders are respectively abutted against the two axial sides of the backing ring.
By adopting the technical scheme, the two mounting cylinders are not contacted with each other by the backing ring, so that the friction force is smaller in the relative rotation process of the two mounting cylinders, and the rotation is smoother; the backing ring can also play the positioning action when installing for the connecting cylinder, makes the backing ring directly support can make the rigidity of connecting cylinder on the installation section of thick bamboo, improves the convenience of installation.
Optionally, one end of the pin shaft located inside the connecting cylinder is in threaded connection with the connecting cylinder.
Through adopting above-mentioned technical scheme, in the installation, with round pin axle one end penetrate the connecting cylinder in the back, time round pin axle and connecting cylinder rotate relatively, can be with round pin axle threaded connection to the connecting cylinder in, realize the fixed of round pin axle and connecting cylinder, simple structure is practical.
Optionally, one end of the pin shaft, which is far away from the connecting cylinder, extends to the outer side of the mounting cylinder, and the circumferential surface of the end part of the pin shaft, which is located at the outer side of the mounting cylinder, is provided with anti-skid grains.
Through adopting above-mentioned technical scheme, the staff can use the tip drive round pin axle that the round pin axle offered anti-skidding line to rotate, and anti-skidding line multiplicable staff hand and the direct frictional force of round pin axle, more laborsaving when making staff connect round pin axle and connecting cylinder.
Optionally, the connection structure further comprises a locking end cover, the locking end cover abuts against the end portion, far away from one side of the installation barrel connected with the pin shaft, of the connecting barrel, a locking screw is fixedly arranged on the locking end cover, the locking screw is arranged in the connecting barrel in a penetrating mode, one end, far away from the locking end cover, of the locking screw penetrates through the end portion of the pin shaft and is in threaded connection with the locking screw, and the screwing direction of threads on the locking screw is opposite to that of threads in the connecting barrel.
By adopting the technical scheme, under the effect of reverse threaded connection of the anti-loosening screw rod and the pin shaft, the pin shaft is not easy to rotate in the connecting cylinder in the direction opposite to the rotating direction of the internal thread of the connecting cylinder, so that the pin shaft is not easy to separate from the connecting cylinder, and the connecting strength of the connecting cylinder and the pin shaft is improved.
Optionally, a limiting ring is fixedly arranged on one side, close to the anti-loosening end cover, of the connecting cylinder, the limiting ring and the anti-loosening end cover are arranged at intervals, and the pin shaft abuts against one side, far away from the anti-loosening end cover, of the limiting ring.
Through adopting above-mentioned technical scheme, the spacing ring is fixed a position for the hookup location of round pin axle and connecting cylinder, makes the round pin axle remove to can't continue to remove after with the spacing ring butt, also makes round pin axle head portion not in locking end cover contact, can not produce the butt of locking end cover and connecting cylinder and interfere, can produce great pressure to the connecting cylinder tip when making locking end cover be connected to round pin epaxial, further increases the effect of relaxing to the round pin axle.
Optionally, the end part of the connecting cylinder, which is used for being connected with the anti-loosening end cover, extends to the outer side of the mounting cylinder.
Through adopting above-mentioned technical scheme, at round pin axle and connecting cylinder threaded connection's in-process, the staff can be located the tip contact in the installation section of thick bamboo outside with the connecting cylinder, makes the connecting cylinder can't rotate because of frictional force at threaded connection's in-process, also conveniently with locking end cover installation to with the state of connecting cylinder butt.
Optionally, an oil filling hole is formed in the circumferential side wall of the mounting cylinder, and the oil filling hole is communicated with the inside of the mounting cylinder.
By adopting the technical scheme, lubricating oil can be injected into the oil injection hole periodically, so that the lubricating oil enters the installation cylinder, and the friction in the rotation process of the installation cylinder column is reduced.
Optionally, a plurality of oil storage tanks have still been seted up on the installation section of thick bamboo inside wall, oil storage tank and oil filler point intercommunication.
Through adopting above-mentioned technical scheme, can save partial lubricating oil in the oil storage tank to inside driving lubricating oil to whole installation section of thick bamboo along with the rotation of mounting groove, improve the lubricated effect of lubricating oil, also prolonged whole, door hinge's life.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by means of the mode that the two mounting cylinders are abutted and positioned firstly and then the pin shaft is connected between the two mounting cylinders, workers do not need to carry out mounting work in a state of lifting the door for a long time, labor intensity of the workers is reduced, and mounting efficiency is improved;
2. the connecting cylinder is in threaded connection with the pin shaft, so that the pin shaft is detachably connected with the two mounting cylinders, the mounting process is simple and convenient, and the connecting strength of the pin shaft and the connecting cylinder is enhanced by loosening the end cover and the anti-loosening screw;
3. under the effect of oil filler point and oil storage tank, be convenient for to the inside injection lubricating oil of installation section of thick bamboo, reduce the frictional force that the installation section of thick bamboo rotation in-process received, make the life of whole door hinge longer.
Drawings
Fig. 1 is a schematic view showing a structure of a door hinge according to an embodiment of the present invention.
Fig. 2 is an exploded view showing a door hinge structure.
Fig. 3 is a partial sectional view showing an internal structure of the door hinge.
Fig. 4 is an enlarged view of a portion a in fig. 3.
FIG. 5 is a partial sectional view showing the positions of the oil hole and the oil reservoir in the mounting cylinder.
Description of reference numerals: 1. a page body; 11. mounting the cylinder; 11a, an upper mounting cylinder; 11b, a lower mounting cylinder; 111. an oil filler hole; 112. an oil storage tank; 12. a leaf plate; 121. connecting holes; 2. a connecting structure; 21. a connecting cylinder; 211. a backing ring; 212. a limiting ring; 22. a pin shaft; 23. an anti-loosening end cover; 231. a locking screw.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a ready-package door hinge.
Referring to fig. 1, the door hinge comprises two hinge bodies 1 and a connecting structure 2 arranged between the two hinge bodies 1, wherein one hinge body 1 is used for being connected with a door, the other hinge body 1 is used for being connected with a door frame, and the connecting structure 2 is used for mutually hinging the two hinge bodies 1 together to realize the function that the door is hinged on the door frame. Wherein:
referring to fig. 1, a leaf body 1 comprises mounting cylinders 11 and leaf plates 12, the mounting cylinders 11 are vertically arranged and cylinders with openings at two ends, the axes of the mounting cylinders 11 in the two leaf bodies 1 are overlapped, the mounting cylinder 11 for fixing on a door is positioned above the other mounting cylinder 11, and a connecting structure 2 is arranged between the two mounting cylinders 11 and is used for enabling the mounting cylinder 11 above to rotate around the axis of the connecting structure; the leaf plate 12 is a vertically arranged rectangular plate, and the leaf plate 12 is welded and fixed on the outer side wall of the mounting cylinder 11; the page plate 12 is provided with a plurality of connecting holes 121, and the connecting holes 121 are uniformly distributed on the surface of the page plate 12, so that the page plate 12 can be fixed on a door or a doorframe in a mode that a screw or a rivet penetrates through the connecting holes 121.
Referring to fig. 2, in order to further explain the connection relationship between the connection structure 2 and the two mounting cylinders 11, the mounting cylinder 11 for connection with the door is named an upper mounting cylinder 11a, and the mounting cylinder 11 for connection with the door frame is named a lower mounting cylinder 11 b.
Referring to fig. 2 and 3, the connection structure 2 includes a connection cylinder 21, a pin 22, and a locking end cover 23; the connecting cylinder 21 is arranged in the lower mounting cylinder 11b in a penetrating way and is rotationally connected with the lower mounting cylinder, and the axis of the connecting cylinder 21 is superposed with the axis of the lower mounting cylinder 11 b; the pin shaft 22 penetrates through the upper mounting cylinder 11a and is rotatably connected with the upper mounting cylinder, and the axis of the pin shaft 22 is superposed with the axis of the upper mounting cylinder 11 a; the length of round pin axle 22 is greater than the length of last installation section of thick bamboo 11a, and the bottom downwardly extending of round pin axle 22 wears to establish in connecting cylinder 21 rather than threaded connection, makes round pin axle 22 and connecting cylinder 21 reciprocal anchorage together, and the axis of round pin axle 22 and connecting cylinder 21 also coincides each other, makes the coincidence of last installation section of thick bamboo 11a and installation section of thick bamboo 11b axis down and articulated each other together, realizes the function that installation section of thick bamboo 11a and installation section of thick bamboo 11b can rotate relatively down.
When the door hinge is installed between a door and a door frame, the two hinge bodies 1 are respectively fixed on the corresponding positions of the door and the door frame, and then the connecting cylinder 21 is inserted into the lower installation cylinder 11 b; then the door is lifted, the upper installation barrel 11a is placed above the lower installation barrel 11b, the pin 22 penetrates into the upper installation barrel 11a from the top of the upper installation barrel and is connected into the connecting barrel 21 in a threaded manner, the pin 22 and the connecting barrel 21 are fixed, and at the moment, the upper installation barrel 11a and the lower installation barrel 11b are hinged together, so that the connection between the door and the door frame is realized.
Referring to fig. 3, a backing ring 211 is further fixedly disposed at the top end of the connecting cylinder 21, the outer diameter of the backing ring 211 is identical to the outer diameters of the upper mounting cylinder 11a and the lower mounting cylinder 11b, and the end portions of the upper mounting cylinder 11a and the lower mounting cylinder 11b, which are close to each other, are respectively abutted against the two sides of the backing ring 211 in the axial direction. Under the action of the backing ring 211, the upper installation cylinder 11a and the lower installation cylinder 11b are not contacted with each other, so that the friction force of the upper installation cylinder 11a and the lower installation cylinder 11b in relative rotation is small, and the rotation is smoother; and the backing ring 211 can also play a limiting role when the connecting cylinder 21 is installed, so as to limit the axial movement of the connecting cylinder 21 in the lower installation cylinder 11b, and the installation of the connecting cylinder 21 is more convenient.
Referring to fig. 2 and 3, the top end of the pin 22 extends upward to the outer side of the upper mounting cylinder 11a, the bottom end of the connecting cylinder 21 extends to the outer side of the lower mounting cylinder 11b, and when the pin 22 and the connecting cylinder 21 are connected, a user can perform the operation of screwing the pin 22 and the connecting cylinder 21 by respectively holding the top end of the pin 22 and the bottom end of the connecting cylinder 21 with both hands. And the circumferential surface of one end of the pin shaft 22 extending out of the upper mounting cylinder 11a is provided with anti-slip lines formed by pressing, and the anti-slip lines can increase the friction force at the end part of the pin shaft 22, thereby being further beneficial to the connection operation of a user on the pin shaft 22 and the connecting cylinder 21.
Referring to fig. 3 and 4, the locking end cover 23 is disc-shaped, the diameter of the locking end cover 23 is larger than the inner diameter of the connecting cylinder 21, and the locking end cover 23 abuts against the bottom end of the connecting cylinder 21; and the end of the anti-loosening end cover 23 close to the connecting cylinder 21 is fixedly provided with an anti-loosening screw 231, the diameter of the anti-loosening screw 231 is smaller than that of the connecting cylinder 21, one end of the anti-loosening screw 231, which is far away from the anti-loosening end cover 23, penetrates through the end part of the pin shaft 22 and is in threaded connection with the pin shaft, and the thread turning direction of the anti-loosening screw 231 is opposite to that of the thread inside the connecting cylinder 21.
Under the effect of check screw 231, carry on spacingly to the rotation direction of round pin axle 22, make round pin axle 22 be difficult for appearing relative rotation with connecting cylinder 21, the difficult phenomenon that appears round pin axle 22 and break away from connecting cylinder 21 improves the joint strength of round pin axle 22 and connecting cylinder 21 higher, ensures that round pin axle 22 and connecting cylinder 21 can synchronous rotation.
Referring to fig. 4, a limiting ring 212 is further disposed inside the connecting cylinder 21, the limiting ring 212 is located on one side of the connecting cylinder 21 close to the anti-loose end cover 23, the limiting ring 212 and the anti-loose end cover 23 are disposed at an interval, an inner diameter of the limiting ring 212 is larger than a diameter of the anti-loose screw 231 and smaller than a diameter of the pin 22, a bottom end of the pin 22 abuts against the limiting ring 212, and the anti-loose screw 231 is disposed in the limiting ring 212 in a penetrating manner.
The limiting ring 212 plays a role in positioning the connection between the pin shaft 22 and the connecting cylinder 21, limits the connection length of the pin shaft 22 in the connecting cylinder 21, and enables the pin shaft 22 and the anti-loosening end cover 23 to be out of contact with each other, when the anti-loosening end cover 23 and the pin shaft 22 are connected, the pin shaft 22 cannot cause interference to the butting between the anti-loosening end cover 23 and the connecting cylinder 21, it is ensured that the anti-loosening end cover 23 can apply larger pressure to the bottom end of the connecting cylinder 21, and the connection strength between the connecting cylinder 21 and the pin shaft 22 is further increased.
Referring to fig. 5, an oil filling hole 111 is formed in a side wall of each mounting cylinder 11 away from the page plate 12, and the oil filling hole 111 is communicated with the inside of the mounting cylinder 11; an oil storage tank 112 is formed in the inner side wall of the mounting barrel 11, the oil storage tank 112 is formed in the axial direction of the mounting barrel 11, and one side, close to the axis of the mounting barrel 11, of the oil filling hole 111 is communicated with the oil storage tank 112.
Can be to the inside injection lubricating oil of installation section of thick bamboo 11 through oil filler point 111, make lubricating oil flow to installation section of thick bamboo 11 and round pin axle 22, or between installation section of thick bamboo 11 and the connecting cylinder 21, reduce friction, can also save partial lubricating oil in the oil storage tank 112, make round pin axle 22 and connecting cylinder 21 rotate the in-process and constantly take out the lubricating oil in the oil storage tank 112, improve the lubricated degree to it, prolong the life of whole hinge.
The implementation principle of this application embodiment ready-package door hinge does: at the in-process that uses door hinge connection door and door frame, earlier fix two page or leaf bodies 1 respectively to door and door frame on, then the installation section of thick bamboo 11 in two last page or leaf bodies 1 aligns, reuse round pin axle 22 and connecting cylinder 21 with two installation sections of thick bamboo 11 articulated together, the realization is to the effect of door and door frame high-speed joint, the tip butt of two installation sections of thick bamboo 11 aligns and compares in lifting up the door and aims at round pin axle 22 and installation section of thick bamboo 11 inserted operation more convenient after aligning, the staff need not to keep the state of lifting up the door for a long time, staff's intensity of labour has been reduced, the installation effectiveness is improved, the practicality is higher.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a ready-package door hinge which characterized in that: comprises two page bodies (1) and a connecting structure (2) arranged between the two page bodies (1); the page body (1) comprises mounting cylinders (11), and the mounting cylinders (11) of the two page bodies (1) are arranged at intervals;
the connecting structure (2) comprises a connecting cylinder (21) arranged in one of the mounting cylinders (11) in a penetrating manner and a pin shaft (22) arranged in the other mounting cylinder (11) in a penetrating manner, and one end of the pin shaft (22) extends into the connecting cylinder (21) and is detachably connected with the connecting cylinder.
2. The quick-fit door hinge according to claim 1, wherein: the end part, close to the installation cylinder (11) connected with the pin shaft (22), of the connecting cylinder (21) is fixedly provided with a backing ring (211), and the end parts, close to each other, of the two installation cylinders (11) are respectively abutted to the two axial sides of the backing ring (211).
3. The quick-fit door hinge according to claim 1, wherein: and one end of the pin shaft (22) positioned in the connecting cylinder (21) is in threaded connection with the connecting cylinder (21).
4. A quick-fit door hinge according to claim 3, wherein: one end, far away from the connecting cylinder (21), of the pin shaft (22) extends to the outer side of the mounting cylinder (11), and anti-slip grains are arranged on the circumferential surface of the end part, located on the outer side of the mounting cylinder (11), of the pin shaft (22).
5. A quick-fit door hinge according to claim 3, wherein: connection structure (2) still include locking end cover (23), the tip of installation section of thick bamboo (11) one side of being connected with round pin axle (22) is kept away from at connecting cylinder (21) locking end cover (23) butt, locking screw (231) have set firmly on locking end cover (23), wear to establish in connecting cylinder (21) locking screw (231), the one end that locking end cover (23) were kept away from in locking screw (231) runs through round pin axle (22) tip and threaded connection thereof, and the screw thread on locking screw (231) revolves to the screw thread opposite with in the connecting cylinder (21).
6. The quick-fit door hinge according to claim 5, wherein: one side of the connecting cylinder (21) close to the anti-loosening end cover (23) is fixedly provided with a limiting ring (212), the limiting ring (212) and the anti-loosening end cover (23) are arranged at intervals, and the pin shaft (22) abuts against one side, far away from the anti-loosening end cover (23), of the limiting ring (212).
7. The quick-fit door hinge according to claim 6, wherein: the end part of the connecting cylinder (21) used for being connected with the anti-loosening end cover (23) extends to the outer side of the mounting cylinder (11).
8. A quick-fit door hinge according to any one of claims 1 to 7, wherein: an oil filling hole (111) is formed in the circumferential side wall of the mounting cylinder (11), and the oil filling hole (111) is communicated with the inside of the mounting cylinder (11).
9. The quick-fit door hinge according to claim 8, wherein: a plurality of oil storage tanks (112) are further formed in the inner side wall of the mounting barrel (11), and the oil storage tanks (112) are communicated with the oil filling hole (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120976918.5U CN214659529U (en) | 2021-05-08 | 2021-05-08 | Fast-assembling door hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120976918.5U CN214659529U (en) | 2021-05-08 | 2021-05-08 | Fast-assembling door hinge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214659529U true CN214659529U (en) | 2021-11-09 |
Family
ID=78487568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120976918.5U Active CN214659529U (en) | 2021-05-08 | 2021-05-08 | Fast-assembling door hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214659529U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482736A (en) * | 2022-01-25 | 2022-05-13 | 江山欧派门业股份有限公司 | Quick installation method of wooden door |
-
2021
- 2021-05-08 CN CN202120976918.5U patent/CN214659529U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482736A (en) * | 2022-01-25 | 2022-05-13 | 江山欧派门业股份有限公司 | Quick installation method of wooden door |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214659529U (en) | Fast-assembling door hinge | |
| CN201172416Y (en) | Elastic release proof self-locking dog bolt trimmer | |
| CN112049588B (en) | Spinner structure | |
| CN210739110U (en) | Environment-friendly separator shaft | |
| CN216432138U (en) | Detachable water heater closed end cover | |
| CN206072264U (en) | A kind of auto-tensioning wheel assembly | |
| CN211924687U (en) | Adjustable bolt structure of double-end | |
| CN214401842U (en) | Slope supporting structure for broken rock | |
| CN214243559U (en) | Thrust wheel of crawler crane | |
| CN205101055U (en) | Camshaft bearing lid | |
| CN214812337U (en) | Greasing device for dust guard plate seat of journal of railway wagon | |
| CN217873815U (en) | Oil cylinder hinge seat of lifting table | |
| CN218407339U (en) | Carbon fiber sucker rod movable joint | |
| CN213710992U (en) | Spinner device | |
| CN220929901U (en) | High-fastening wear-resistant valve rod nut | |
| CN220850288U (en) | Pin shaft and pin shaft connecting piece | |
| CN214837735U (en) | Novel hexagonal flange hub bolt | |
| CN211474680U (en) | Motorcycle axle sleeve convenient for oiling | |
| CN216512326U (en) | Rotation type rings screw with fixed establishment | |
| CN212313506U (en) | Split type supporting arrangement of semitrailer | |
| CN219622108U (en) | Welded H-shaped steel column with high supporting strength | |
| CN214574139U (en) | Fixing support is reserved to sleeve pipe in well | |
| CN214819696U (en) | Main hopper hand rocker of cement mixer | |
| CN214005650U (en) | Sealing piece mounting tool and sealing piece | |
| CN219345701U (en) | High-pressure pipeline fixing seat of hydraulic oil station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |