CN212717693U - Dust-proof steering transmission shaft - Google Patents
Dust-proof steering transmission shaft Download PDFInfo
- Publication number
- CN212717693U CN212717693U CN202021507571.1U CN202021507571U CN212717693U CN 212717693 U CN212717693 U CN 212717693U CN 202021507571 U CN202021507571 U CN 202021507571U CN 212717693 U CN212717693 U CN 212717693U
- Authority
- CN
- China
- Prior art keywords
- groove
- transmission shaft
- dust
- ring
- joint
- 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
Landscapes
- Diaphragms And Bellows (AREA)
- Sealing Devices (AREA)
Abstract
The utility model belongs to the technical field of the technique of transmission shaft and specifically relates to a dust-protection steering transmission shaft is related to, it includes the central siphon, flexible cover, two universal joints and two ripple dust covers, flexible cover is established outside the central siphon, the tip at flexible cover is installed to a universal joint, the tip at the central siphon is installed to another universal joint, two universal joints are all connected in the external connection axle, a ripple dust cover is established outside flexible cover and external connection axle, another ripple dust cover is established outside central siphon and external connection axle, flexible cover and the central siphon all are equipped with seal assembly outward, seal assembly on the flexible cover includes two clamp rings, the clamp ring includes two centre gripping semi-rings, be equipped with locking Assembly on the clamp ring. The locking assembly locks and fixes the two clamping semi-rings, and the clamping semi-rings tightly press the corrugated dustproof sleeve, so that dust is not easy to enter the corrugated dustproof sleeve from the joint of the corrugated dustproof sleeve and the transmission shaft and the joint of the corrugated dustproof sleeve and the external connecting shaft. This application has guaranteed the performance of transmission shaft.
Description
Technical Field
The application relates to the technical field of transmission shafts, in particular to a dustproof steering transmission shaft.
Background
The transmission shaft is an important part for transmitting power in an automobile transmission system, and the transmission shaft, a gearbox and a drive axle are used for transmitting the power of an engine to wheels so that an automobile generates driving force.
As shown in fig. 1, the conventional transmission shaft mainly comprises an axle tube 1, a telescopic sleeve 2 and two universal joints 3, wherein the telescopic sleeve 2 is sleeved outside the axle tube 1, one universal joint 3 is installed at the end of the telescopic sleeve 2, the other universal joint 3 is installed at the end of the axle tube 1, and the two universal joints 3 are usually connected with an external connecting shaft 5. On central siphon 1 and the external connection axle 5, all overlap on flexible cover 2 and the external connection axle 5 and be equipped with the ripple dirt proof boot 4 that has the elasticity for block the dust, avoid the dust to cause the influence to transmission shaft performance.
However, the joints of the corrugated dustproof sleeve 4 and the transmission shaft and the joints of the corrugated dustproof sleeve 4 and the external connection shaft 5 are poor in sealing performance, so that dust is easily made to enter the corrugated dustproof sleeve 4 from the joints of the corrugated dustproof sleeve 4 and the transmission shaft and the joints of the corrugated dustproof sleeve 4 and the external connection shaft 5, the dustproof effect of the corrugated dustproof sleeve 4 is reduced, the performance of the transmission shaft is affected, and improvement is needed.
SUMMERY OF THE UTILITY MODEL
In order to guarantee the performance of transmission shaft, this application provides a dust type steering transmission shaft.
The application provides a dust-protection type steering transmission shaft adopts following technical scheme: the utility model provides a dust-protection steering transmission shaft, including the central siphon, flexible cover, two universal joints and two ripple dirt covers, flexible cover overlaps and establishes outside the central siphon, the tip at flexible cover is installed to a universal joint, the tip at the central siphon is installed to another universal joint, two universal joints are all connected in the external connection axle, a ripple dirt cover overlaps and establishes outside flexible cover and external connection axle, another ripple dirt cover overlaps and establishes outside central siphon and external connection axle, flexible cover and central siphon all are equipped with seal assembly outward, seal assembly on flexible cover includes two covers the clamp ring outside tight ripple dirt cover, one of them clamp ring is located the flexible cover outside, another clamp ring is located the external connection axle outside, the clamp ring includes two centre gripping semi-rings, be equipped with on the clamp ring and be used for two fixed locking Assembly of centre gripping semi-ring locking.
Through adopting above-mentioned technical scheme, after two centre gripping semi-rings with ripple dirt proof boot centre gripping, locking Assembly will be fixed two centre gripping semi-rings locking, the centre gripping semi-ring will compress tightly the ripple dirt proof boot this moment, the ripple dirt proof boot inner wall of flexible cover department will laminate in flexible cover outer wall and external connection axle lateral wall, the ripple dirt proof boot inner wall of central siphon department will laminate in central siphon outer wall and external connection axle outer wall, make the dust be difficult for entering into inside the ripple dirt proof boot from the junction of ripple dirt proof boot and transmission shaft and the junction of ripple dirt proof boot and external connection axle, the performance of transmission shaft has been guaranteed.
Preferably, two the centre gripping semi-ring is to rotate the connection, and locking Assembly is including offering the standing groove on one of them centre gripping semi-ring and offering the joint groove on another centre gripping semi-ring, and the standing groove is equipped with the joint piece, makes the joint piece slip joint in the elastic component of joint inslot and makes the joint piece slip break away from in the driving piece of joint groove corresponding to the joint groove in the standing groove.
By adopting the technical scheme, in the process that the clamping ring is installed on the corrugated dustproof sleeve, the clamping block is driven by the driving piece to sink into the placing groove, at the moment, the elastic piece deforms, and after the corrugated dustproof sleeve is clamped by the two clamping semi-rings, the elastic piece returns to a natural state and prompts the clamping block to be clamped in the clamping groove in a sliding manner, so that the two clamping semi-rings are locked and fixed, and the installation of the clamping ring is finished at the moment; in the process of detaching the clamping ring from the corrugated dustproof sleeve, the clamping block is driven by the driving piece to slide away from the clamping groove, and then the two clamping semi-rings are rotated to be away from the corrugated dustproof sleeve, so that the detachment of the clamping ring is completed.
Preferably, the elastic component is a spring, one end of the spring is fixedly connected to the clamping block, and the other end of the spring is fixedly connected to the wall of the placing groove.
Through adopting above-mentioned technical scheme, when the spring was in natural state, the joint piece was with the joint in the joint inslot, has guaranteed that two centre gripping semi-rings can press from both sides tightly in the ripple dirt proof boot jointly.
Preferably, the outer wall of the clamping semi-ring where the placing groove is located is provided with a sliding groove, the sliding groove is communicated with the placing groove, the driving part is a pressing plate embedded in the sliding groove in a sliding mode, the pressing plate is fixedly connected to the clamping block, and the sliding direction of the pressing plate in the sliding groove is consistent with the sliding direction of the clamping block in the placing groove.
Through adopting above-mentioned technical scheme, when the workman pressed the clamp plate, the clamp plate will drive the joint piece and slide and break away from in the joint groove to the dismantlement of clamp ring.
Preferably, the clamping block is provided with an inclined plane for the clamping semi-ring to press the clamping block into the placing groove.
Through adopting above-mentioned technical scheme, rotate the centre gripping in the in-process of ripple dirt proof boot at two centre gripping semi-rings, one of them centre gripping semi-ring will contradict in the inclined plane to in impressing the standing groove with the joint piece through the inclined plane, so that two centre gripping semi-rings press from both sides the ripple dirt proof boot tightly.
Preferably, one end of each of the two clamping rings in the same sealing assembly, which is far away from each other, is provided with a sealing ring, one of the sealing rings in the sealing assembly on the telescopic sleeve is slidably sleeved outside the telescopic sleeve, the other sealing ring is slidably sleeved outside the external connecting shaft, and the sealing ring comprises two sealing half rings which are respectively fixed on the corresponding clamping half rings.
Through adopting above-mentioned technical scheme, the sealing ring will make the dust be difficult for entering into inside the ripple dirt proof boot from the junction of ripple dirt proof boot and transmission shaft and the junction of ripple dirt proof boot and external connection axle, has guaranteed the performance of transmission shaft.
Preferably, the sealing ring is provided with a fixing part, the fixing part at the telescopic sleeve comprises a thread groove arranged on the inner wall of the sealing ring and a thread section arranged on the outer wall of the telescopic sleeve, and the thread groove is in thread fit with the thread section.
By adopting the technical scheme, the position of the sealing ring can be adjusted by rotating the sealing ring, so that the corrugation on the outer side of the corrugated dustproof sleeve is pulled to be horizontal, and a worker can clean dust on the outer side of the corrugated dustproof sleeve conveniently; and the thread section is matched with the thread groove, so that the sealing ring, the clamping ring and the corrugated dustproof sleeve are not easy to shake, and the dustproof effect of the corrugated dustproof sleeve on the joint of the corrugated dustproof sleeve and the transmission shaft and the joint of the corrugated dustproof sleeve and the external connecting shaft is ensured.
Preferably, the opposite sides of the two clamping semi-rings are respectively fixed with a bulge which is clamped at the concave position outside the corrugated dustproof sleeve.
Through adopting above-mentioned technical scheme, press from both sides tight back with the ripple dirt proof boot when two centre gripping semi-rings, the arch is with the joint in the sunken department in the ripple dirt proof boot outside for the clamp ring is difficult to be sheathe in from the ripple dirt proof boot and breaks away from, has guaranteed the clamp ring to the tight effect of clamp of ripple dirt proof boot.
To sum up, the application comprises the following beneficial technical effects:
1. the sealing assembly is arranged, the locking assembly is used for locking and fixing the two clamping semi-rings, the clamping semi-rings are used for tightly pressing the corrugated dustproof sleeve, the inner wall of the corrugated dustproof sleeve at the telescopic sleeve is attached to the outer wall of the telescopic sleeve and the side wall of the external connecting shaft, and the inner wall of the corrugated dustproof sleeve at the shaft tube is attached to the outer wall of the shaft tube and the outer wall of the external connecting shaft, so that the use performance of the transmission shaft is ensured;
2. due to the arrangement of the sealing rings, dust is not easy to enter the corrugated dustproof sleeve from the joint of the corrugated dustproof sleeve and the transmission shaft and the joint of the corrugated dustproof sleeve and the external connecting shaft, and the use performance of the transmission shaft is ensured;
3. the setting of mounting, the position of sealing ring can be adjusted to the rotary seal ring for the ripple in the ripple dirt proof boot outside is pulled to tending to the level, so that the workman clears up the dust in the ripple dirt proof boot outside, and sealing ring, clamp ring and ripple dirt proof boot are all difficult to rock, has guaranteed the dustproof effect of ripple dirt proof boot to the junction of ripple dirt proof boot and transmission shaft and the junction of ripple dirt proof boot and external connection axle.
Drawings
FIG. 1 is a schematic structural view of a propeller shaft according to the prior art;
FIG. 2 is a schematic diagram of the overall structure in the embodiment of the present application;
FIG. 3 is a schematic structural view showing a locking assembly in the embodiment of the present application;
fig. 4 is a schematic view showing the structure of the two clamp halves away from each other in the embodiment of the present application.
Reference numerals: 1. an axle tube; 2. a telescopic sleeve; 3. a universal joint; 4. a corrugated dust cover; 5. a connecting shaft; 6. a seal assembly; 61. a clamping ring; 611. clamping the half rings; 612. a protrusion; 62. a seal ring; 621. sealing the half ring; 63. a fixing member; 631. a thread groove; 632. a threaded segment; 7. a locking assembly; 71. a placement groove; 72. a clamping groove; 73. a clamping block; 731. an inclined surface; 74. a spring; 75. a chute; 76. and (7) pressing a plate.
Detailed Description
The present application is described in further detail below with reference to figures 2-4.
The embodiment of the application discloses dust-protection type steering transmission shaft. As shown in fig. 2 and fig. 3, a dust-protection steering transmission shaft comprises a shaft tube 1, a telescopic sleeve 2, two universal joints 3 and two corrugated dustproof sleeves 4, wherein the shaft tube 1 is sleeved with the telescopic sleeve 2, one universal joint 3 is installed at the end part of the telescopic sleeve 2, the other universal joint 3 is installed at the end part of the shaft tube 1, the two universal joints 3 are all connected to an external connecting shaft 5, the telescopic sleeve 2 and the external connecting shaft 5 are sleeved with one corrugated dustproof sleeve 4, and the shaft tube 1 and the external connecting shaft 5 are sleeved with the other corrugated dustproof sleeve 4.
As shown in fig. 2, the sealing assembly 6 is disposed outside the telescopic sleeve 2 and the shaft tube 1, and the sealing assembly 6 on the telescopic sleeve 2 is matched with the telescopic sleeve 2 in the same way as the sealing assembly 6 on the shaft tube 1 is matched with the shaft tube 1. The sealing assembly 6 on the telescopic sleeve 2 comprises two clamping rings 61 which are tightly sleeved outside the corrugated dustproof sleeve 4, wherein one clamping ring 61 is positioned outside the telescopic sleeve 2, and the other clamping ring 61 is positioned outside the external connecting shaft 5.
As shown in fig. 2, the clamping ring 61 comprises two clamping half rings 611 rotatably connected to each other for clamping the corrugated dust boot 4; as shown in fig. 3 and 4, two opposite sides of the clamping half rings 611 are fixed with protrusions 612, which are used for being connected to the concave portion outside the corrugated dustproof sleeve 4 and pressing the corrugated dustproof sleeve 4 tightly, so that the inner wall of the corrugated dustproof sleeve 4 at the position of the telescopic sleeve 2 is attached to the outer wall of the telescopic sleeve 2 and the side wall of the external connecting shaft 5, and the inner wall of the corrugated dustproof sleeve 4 at the position of the shaft tube 1 is attached to the outer wall of the shaft tube 1 and the outer wall of the external connecting shaft 5, therefore, dust is not easy to enter the corrugated dustproof sleeve 4 from the connection position of the corrugated dustproof sleeve 4 and the transmission shaft and the connection position of the corrugated dustproof sleeve 4 and the external connecting shaft 5, and the use.
As shown in fig. 3 and 4, the clamp ring 61 is provided with a locking assembly 7, the locking assembly 7 includes a placement groove 71 formed on one of the clamp half rings 611 and a locking groove 72 formed on the other clamp half ring 611, the placement groove 71 corresponds to the locking groove 72, and a locking block 73 and an elastic member are arranged in the placement groove 71; the elastic piece is a spring 74, one end of the spring 74 is fixedly connected to the clamping block 73, and the other end of the spring 74 is fixedly connected to the groove wall of the placing groove 71; one end of the engaging block 73 is exposed outside the placing groove 71, and an inclined surface 731 is provided on the end.
In the process of installing the clamping ring 61 on the corrugated dustproof sleeve 4, one of the clamping half rings 611 abuts against the inclined surface 731, the clamping block 73 is pressed into the placing groove 71 through the inclined surface 731, and the spring 74 is compressed; when the corrugated dust-proof cover 4 is clamped by the two clamping half rings 611, the spring 74 returns to the natural state and causes the clamping block 73 to be clamped in the clamping groove 72 in a sliding manner, so that the two clamping half rings 611 are locked and fixed, and the installation of the clamping ring 61 is completed.
As shown in fig. 4, a sliding groove 75 is formed on the outer wall of the holding half ring 611 where the placing groove 71 is located, and the sliding groove 75 is communicated with the placing groove 71; a driving part is embedded in the sliding groove 75 in a sliding manner, the driving part is a pressing plate 76, one end of the pressing plate 76 is fixedly connected to the clamping block 73, the other end of the pressing plate 76 penetrates out of the sliding groove 75, and the sliding direction of the pressing plate 76 in the sliding groove 75 is consistent with the sliding direction of the clamping block 73 in the placing groove 71. In the process of detaching the clamping ring 61 from the corrugated dustproof sleeve 4, the pressing plate 76 is pressed first, the pressing plate 76 drives the clamping block 73 to slide away from the clamping groove 72, and then the two clamping half rings 611 are rotated away from the corrugated dustproof sleeve 4, so that the detachment of the clamping ring 61 is completed.
As shown in fig. 3 and 4, the two clamp rings 61 in the same seal assembly 6 are provided with a seal ring 62 at the end away from each other, and the seal ring 62 includes two seal half rings 621 respectively fixed on the corresponding clamp half rings 611; the inner wall of the sealing half ring 621 of the telescopic sleeve 2 is attached to the outer wall of the telescopic sleeve 2, the inner wall of the sealing half ring 621 of the external connecting shaft 5 is attached to the side wall of the external connecting shaft 5, the inner wall of the sealing half ring 621 of the shaft tube 1 is attached to the outer wall of the shaft tube 1, so that dust is difficult to enter the corrugated dustproof sleeve 4 from the joint of the corrugated dustproof sleeve 4 and the transmission shaft and the joint of the corrugated dustproof sleeve 4 and the external connecting shaft 5, and the use performance of the transmission shaft is ensured.
As shown in fig. 3 and 4, the sealing ring 62 is provided with a fixing member 63, the fixing member 63 at the telescopic sleeve 2 includes a thread groove 631 formed on an inner wall of the sealing ring 62 and a thread section 632 formed on an outer wall of the telescopic sleeve 2, and the thread groove 631 is threadedly engaged with the thread section 632. The position of the sealing ring 62 can be adjusted by rotating the sealing ring 62, so that the corrugations on the outer side of the corrugated dustproof sleeve 4 are pulled to be horizontal, and a worker can clean dust on the outer side of the corrugated dustproof sleeve 4; and the threaded section 632 is matched with the threaded groove 631, so that the sealing ring 62, the clamping ring 61 and the corrugated dustproof sleeve 4 are not easy to shake, and the dustproof effect of the corrugated dustproof sleeve 4 on the joint of the corrugated dustproof sleeve 4 and the transmission shaft and the joint of the corrugated dustproof sleeve 4 and the external connecting shaft 5 is ensured.
The implementation principle of a dust-protection steering transmission shaft in the embodiment of the application is as follows: in the use process of the corrugated dustproof sleeve 4, the two clamping half rings 611 clamp the corrugated dustproof sleeve 4 tightly, the protrusions 612 are clamped in the concave positions on the outer side of the corrugated dustproof sleeve 4 and tightly press the corrugated dustproof sleeve 4, so that the inner wall of the corrugated dustproof sleeve 4 at the telescopic sleeve 2 is attached to the outer wall of the telescopic sleeve 2 and the side wall of the external connecting shaft 5, and the inner wall of the corrugated dustproof sleeve 4 at the shaft tube 1 is attached to the outer wall of the shaft tube 1 and the outer wall of the external connecting shaft 5; the two sealing semi-rings 621 close the gap between the corrugated dustproof sleeve 4 and the transmission shaft and the gap between the corrugated dustproof sleeve 4 and the external connecting shaft 5, so that dust is not easy to enter the corrugated dustproof sleeve 4 from the joint of the corrugated dustproof sleeve 4 and the transmission shaft and the joint of the corrugated dustproof sleeve 4 and the external connecting shaft 5, and the use performance of the transmission shaft is ensured.
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 (8)
1. The utility model provides a dust-protection steering transmission shaft, including central siphon (1), flexible cover (2), two universal joints (3) and two ripple dirt guards (4), flexible cover (2) cover is established outside central siphon (1), the tip at flexible cover (2) is installed in universal joint (3), the tip at central siphon (1) is installed in another universal joint (3), two universal joints (3) all connect in external connection axle (5), a ripple dirt guard (4) cover is established outside flexible cover (2) and external connection axle (5), another ripple dirt guard (4) cover is established outside central siphon (1) and external connection axle (5), its characterized in that: the sealing assembly (6) is arranged outside the telescopic sleeve (2) and the shaft tube (1), the sealing assembly (6) on the telescopic sleeve (2) comprises two clamp rings (61) tightly sleeved outside the corrugated dustproof sleeve (4), one clamp ring (61) is located outside the telescopic sleeve (2), the other clamp ring (61) is located outside the external connecting shaft (5), the clamp rings (61) comprise two clamping half rings (611), and a locking assembly (7) used for locking and fixing the two clamping half rings (611) is arranged on the clamp ring (61).
2. A dust-proof steering transmission shaft according to claim 1, wherein: two centre gripping semi-ring (611) are the rotation and connect, and locking Assembly (7) are equipped with joint piece (73) including offering standing groove (71) on one of them centre gripping semi-ring (611) and offering joint groove (72) on another centre gripping semi-ring (611), standing groove (71) corresponding to joint groove (72), are equipped with joint piece (73) in standing groove (71), make joint piece (73) slip the elastic component of joint in joint groove (72) and make joint piece (73) slip break away from the driving piece in joint groove (72).
3. A dust-proof steering transmission shaft according to claim 2, wherein: the elastic piece is a spring (74), one end of the spring (74) is fixedly connected to the clamping block (73), and the other end of the spring (74) is fixedly connected to the groove wall of the placing groove (71).
4. A dust-proof steering transmission shaft according to claim 2, wherein: the outer wall of the clamping half ring (611) where the placing groove (71) is located is provided with a sliding groove (75), the sliding groove (75) is communicated with the placing groove (71), the driving part is a pressing plate (76) which is embedded in the sliding groove (75) in a sliding mode, the pressing plate (76) is fixedly connected to the clamping block (73), and the sliding direction of the pressing plate (76) in the sliding groove (75) is consistent with the sliding direction of the clamping block (73) in the placing groove (71).
5. A dust-proof steering transmission shaft according to claim 2, wherein: the clamping block (73) is provided with an inclined surface (731) for the clamping half ring (611) to press the clamping block (73) into the placing groove (71).
6. A dust-proof steering transmission shaft according to claim 1, wherein: the sealing ring (62) is arranged at one end, away from each other, of two clamping rings (61) in the sealing assembly (6), one sealing ring (62) in the sealing assembly (6) on the telescopic sleeve (2) is slidably sleeved outside the telescopic sleeve (2), the other sealing ring (62) is slidably sleeved outside the external connecting shaft (5), and the sealing ring (62) comprises two sealing half rings (621) which are respectively fixed on the corresponding clamping half rings (611).
7. The dust-proof steering transmission shaft according to claim 6, wherein: be equipped with mounting (63) on sealing ring (62), mounting (63) of flexible cover (2) department are including locating thread groove (631) on sealing ring (62) inner wall and locating screw thread section (632) on flexible cover (2) outer wall, and thread groove (631) screw-thread fit is in screw thread section (632).
8. A dust-proof steering transmission shaft according to claim 1, wherein: and the opposite sides of the two clamping semi-rings (611) are respectively fixed with a bulge (612) clamped at the concave position at the outer side of the corrugated dustproof sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021507571.1U CN212717693U (en) | 2020-07-27 | 2020-07-27 | Dust-proof steering transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021507571.1U CN212717693U (en) | 2020-07-27 | 2020-07-27 | Dust-proof steering transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212717693U true CN212717693U (en) | 2021-03-16 |
Family
ID=74909223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021507571.1U Active CN212717693U (en) | 2020-07-27 | 2020-07-27 | Dust-proof steering transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212717693U (en) |
-
2020
- 2020-07-27 CN CN202021507571.1U patent/CN212717693U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212717693U (en) | Dust-proof steering transmission shaft | |
| CN105922105A (en) | Flexible rotary polishing and burr removing device | |
| CN218780892U (en) | Fastening mechanism for hydraulic system | |
| WO2023279714A1 (en) | Quick-change drill bit apparatus | |
| CN206571847U (en) | A kind of shaft coupling for being easily installed dismounting | |
| CN214627676U (en) | Automobile steering device controller shell assembly | |
| CN212745419U (en) | Adjustable annular hoop | |
| CN209839400U (en) | Protective sleeve for water supply pipeline | |
| CN211175073U (en) | Metal bellows shaft coupling of easily assembling | |
| CN107386069B (en) | Road roller capable of achieving single-drive and double-drive conversion | |
| CN212717680U (en) | Simple tooth type coupling | |
| CN210318235U (en) | Cross universal joint device | |
| CN216447332U (en) | Cross axle universal joint assembly with sealing structure | |
| CN220743141U (en) | Double steering shaft with dust cover and capable of transmitting steering torque at large angle | |
| CN2545421Y (en) | Coupling | |
| CN215092716U (en) | Vertical rotating structure for processing crystal beads | |
| CN204692829U (en) | A kind of anti-theft meter connecting pipe | |
| CN210829715U (en) | Universal joint protection device of screw pump and screw pump | |
| CN214064092U (en) | Convenient installation combination external thread pipe fitting | |
| CN213950683U (en) | Jacking device for water treatment reverse osmosis pipe and water pipe | |
| CN218441108U (en) | Hydraulic transition joint | |
| CN215908239U (en) | Dust-proof steering transmission shaft | |
| CN216618539U (en) | Waterproof sealing structure for rotating surface | |
| CN218408908U (en) | But quick connection's joint Assembly | |
| CN213236499U (en) | Oil return pipeline of hydraulic device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |