CN213451294U - Spring push rod mechanism and quick connecting device - Google Patents
Spring push rod mechanism and quick connecting device Download PDFInfo
- Publication number
- CN213451294U CN213451294U CN202021657802.7U CN202021657802U CN213451294U CN 213451294 U CN213451294 U CN 213451294U CN 202021657802 U CN202021657802 U CN 202021657802U CN 213451294 U CN213451294 U CN 213451294U
- Authority
- CN
- China
- Prior art keywords
- mandrel
- dabber
- spring
- rod
- joint bearing
- 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
- Pivots And Pivotal Connections (AREA)
Abstract
The invention discloses a spring push rod mechanism and a quick connecting device, which relate to the technical field of special equipment for loading and unloading marine fluid and comprise the following components: first dabber, second dabber, spring, gag lever post, bulb joint bearing, joint bearing. Be connected the gag lever post between first dabber and the second dabber for the gag lever post forms unsmooth cooperation with first dabber, makes gag lever post and second dabber form fixed connection simultaneously, no matter how relative motion of first dabber and second dabber, the gag lever post can both block first dabber, avoids first dabber and second dabber not hard up breaking away from. For adopting fan-shaped light groove spacing, the structural strength of gag lever post should be stronger than fan-shaped light groove, and the better limiting displacement can be realized to the gag lever post. The second mandrel and the joint bearing which are connected in a rotating mode are beneficial to reducing the rotating force and angle of the second mandrel, the phenomenon that the threaded connection part of the first mandrel and the ball joint bearing is loosened and separated is improved, and bending deformation of the mandrel and the joint bearing is avoided.
Description
Technical Field
The utility model relates to a marine fluid loading and unloading professional equipment technical field, in particular to spring push rod mechanism, quick connecting device.
Background
The loading and unloading arm for ship is a special equipment for loading and unloading liquid by butt joint with ship on port and wharf. The quick connecting device QCDC is an important part for quickly butting the loading arm and the ship, and a spring push rod mechanism in the quick connecting device QCDC is an important part for realizing transmission and compression in the butting process of a connecting device clamping jaw and a ship flange.
The existing spring push rod mechanism is connected by two separated mandrels through respective staggered 90-degree fan-shaped optical grooves, so that the limiting is realized, the mandrels of the spring push rod mechanism can rotate relatively when the spring is frequently compressed and loosened, the mandrels at two ends can rotate relatively, and the limiting is not performed, so that after the two mandrels rotate to a certain angle, the mandrels at two ends can not move and break away under the action of the spring force, and serious potential safety hazards are caused.
And, current quick connecting device is at slewing bearing at the gyration in-process, can drive the rotation of spring push rod mechanism, for adopting threaded connection's dabber, because of the dabber can produce the rotation, and dabber one end is the outer tooth that stretches out, the other end is interior tooth, the rational in infrastructure nature of dabber connection is relatively poor, if the atress is inhomogeneous, the screw tooth of threaded connection department will take place not hard up phenomenon, will lead to the dabber bending deformation who has outer tooth, the joint bearing of connecting with interior tooth dabber takes place bending deformation, serious potential safety hazard has equally.
SUMMERY OF THE UTILITY MODEL
The utility model discloses one of the purpose is solved among the prior art can lead to becoming flexible to break away from because of gyration and threaded connection between the dabber, causes dabber and joint bearing bending deformation, has the problem of potential safety hazard.
The second objective of the present invention is to provide a quick connection device.
The third objective of the present invention is to provide a method for preventing loosening.
In order to achieve one of the above purposes, the utility model adopts the following technical scheme: a spring pusher mechanism, comprising: a first mandrel having: a first flange located at the first mandrel outer surface; the second dabber with first dabber telescopic connection, the one end of first dabber stretches into in the cavity way of second dabber, the second dabber has: a second flange located on the second mandrel outer surface; the spring is arranged between the first mandrel and the second mandrel, and two ends of the spring abut against the first flange and the second flange; the first mandrel further has: an accommodating chamber; the through hole penetrates through the accommodating cavity and the cavity channel, and the size of the through hole is smaller than that of the accommodating cavity; a stop lever having: the rod head is arranged in the accommodating cavity, the size of the rod head is matched with that of the accommodating cavity, the rod head is cylindrical, and the rod head is made of a rigid material; the rod tail is fixedly connected with the second mandrel; the rod body is connected with the rod head and the rod tail and penetrates through the through hole, and the size of the rod body is smaller than that of the rod head; the ball joint bearing is connected with the first mandrel; and the joint bearing is rotatably connected with the second mandrel.
Further, in the embodiment of the present invention, the spring sleeve is disposed on the first mandrel and the second mandrel, and the spring and the first mandrel and the second mandrel are located on the same axis.
Further, in the embodiment of the present invention, the first mandrel and the second mandrel are made of a rigid material.
Further, in the embodiment of the present invention, a bearing rod is provided on the ball joint bearing, the bearing rod is connected to the accommodating cavity of the first mandrel by a screw thread to fix the ball joint bearing with the first mandrel, the spring push rod mechanism further includes: the fastening screw is screwed in along a first through hole formed in the first mandrel so as to fix the bearing rod on the ball joint bearing.
And a set screw is added for fixation on the basis of threaded connection, so that the possibility of looseness of the threaded connection part is reduced.
Furthermore, in the embodiment of the present invention, the spring-push rod mechanism further includes: and the threaded connection part of the bearing rod is locked by the nut.
Further, in the embodiment of the present invention, the spring push rod mechanism further includes: and the fixing screw is screwed in along a second through hole arranged on the second mandrel so as to fix the rod tail on the limiting rod.
After the limiting rod and the second mandrel form fixed connection, the limiting rod and the second mandrel are fixed through the fixing screws, double fixation is achieved, the connection strength of the limiting rod and the second mandrel is further enhanced, and the safety performance and the reliability are improved.
Further, in the embodiment of the present invention, the knuckle bearing and the second mandrel are on the same axis, and the knuckle bearing has: the cylindrical rod extends into the rotating groove of the second mandrel and is in matched rotatable connection with the second mandrel, and the cylindrical rod and the rotating groove form a concave-convex matched connecting structure. The annular groove is arranged on the outer surface of the cylindrical rod, and an annular groove structure which is inwards concave is formed on the outer surface of the cylindrical rod; the spring push rod mechanism further comprises: the oil nozzle is arranged on the second mandrel and communicated with the rotary groove, and the oil nozzle corresponds to the annular groove.
The lubricating oil is guided into the annular groove through the oil nozzle on the second mandrel, relative lubrication between the cylindrical rod and the second mandrel on the joint bearing is achieved, mutual friction between the second mandrel and the joint bearing is reduced, further reduction of rotation force and angle of the second mandrel is facilitated, loosening and separation at the threaded connection position of the first mandrel and the ball joint bearing are further improved, and possibility of bending deformation of the mandrel and the joint bearing is reduced.
Further, in the embodiment of the present invention, the spring push rod mechanism further includes a limit screw, and the limit screw is screwed into the annular groove along the third through hole on the second mandrel.
Pass the second dabber card through stop screw and go into to the ring channel in, can remove about joint bearing's cylinder pole and carry on spacingly, avoid joint bearing's cylinder pole to break away from the second dabber.
Furthermore, in the embodiment of the present invention, the limit screw is located in the annular groove, and a gap is formed between a tail end of the limit screw and the annular groove.
A gap is formed between the limiting screw and the annular groove, so that the reduction of the relative lubrication between the joint bearing and the second mandrel is avoided. The looseness and separation phenomenon at the threaded connection part of the first mandrel and the ball joint bearing is improved, and the possibility of bending deformation of the mandrel and the joint bearing is reduced.
Furthermore, in the embodiment of the present invention, the tail end of the limit screw is of an arc-shaped semispherical structure, and the groove structure of the annular groove is of an arc shape.
The arc-shaped structure is favorable for guiding lubricating oil into two sides of the cylindrical rod, and the relative lubrication of the joint bearing and the second mandrel is enhanced.
The utility model has the advantages that:
the utility model discloses be connected the gag lever post between first dabber and second dabber for the gag lever post forms unsmooth cooperation with first dabber, and can slide in holding the chamber of first dabber, makes gag lever post and second dabber form fixed connection simultaneously, and no matter how relative motion of first dabber and second dabber, the gag lever post can block first dabber, avoids first dabber and the not hard up separation from of second dabber. For originally adopting fan-shaped light groove to carry on spacingly, the structural strength of gag lever post obviously should be stronger than fan-shaped light groove, no matter be slip or direction of rotation spacing, better limiting displacement can both be realized to the gag lever post. Meanwhile, the right side of the second mandrel is rotatably connected with the joint bearing, so that when the joint bearing rotates, the rotating force and the angle of the second mandrel are reduced, the phenomenon that the threaded connection part of the first mandrel and the ball joint bearing is loosened and separated is improved, the bending deformation of the mandrel and the joint bearing is avoided, and the use process has higher safety and reliability.
In addition, first dabber and second dabber need not add a fan-shaped light groove, only processes to hold chamber, perforating hole, the cavity way for the hole structure, consequently, the processing of first dabber and second dabber is more simple convenient, is favorable to improving industrial efficiency.
In order to achieve the second purpose, the utility model adopts the following technical scheme: a quick-connect device, wherein, including any one technical scheme in one of the above-mentioned utility model purpose the spring-push rod mechanism.
To achieve the third purpose, the utility model adopts the following technical proposal: a method of preventing loosening, comprising the steps of:
the first mandrel and the second mandrel are connected with at least one limiting rod, so that the limiting rod is in concave-convex fit with the first mandrel and can slide in the accommodating cavity of the first mandrel, and the limiting rod is fixedly connected with the second mandrel;
adopt rotatable coupling mode with joint bearing on the right side of second dabber for when joint bearing produced the rotation, reduce the rotatory dynamics and the angle of second dabber, improve first dabber and ball joint bearing's threaded connection department and take place not hard up separation phenomenon.
Further, in the embodiment of the utility model provides an in, after gag lever post and second dabber formed fixed connection, still fixed through set screw, realize dual fixed, further strengthen the joint strength of gag lever post and second dabber.
Further, in the embodiment of the present invention, the nut is adopted to lock the threaded connection between the first mandrel and the ball joint bearing, and the ball joint bearing is fixed on the first mandrel by the fastening screw, so as to enhance the connection strength between the ball joint bearing and the first mandrel.
Further, in the embodiment of the utility model provides an in, be used for the cylinder pole of connecting on the joint bearing to set up the ring channel for the epaxial glib talker of second dabber is with the leading-in to this ring channel of lubricating oil, reduces second dabber and joint bearing's mutual friction, passes second dabber card simultaneously through stop screw and goes into to the ring channel in, avoids joint bearing's cylinder pole to break away from the second dabber, and stop screw still forms certain clearance with the ring channel shape, avoids reducing joint bearing and the relative lubrication of second dabber.
Drawings
Fig. 1 is a schematic perspective view of a spring-push rod mechanism according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a separation structure of the spring-push rod mechanism according to the embodiment of the present invention.
Fig. 3 is a schematic view of a three-dimensional structure of a limiting rod according to an embodiment of the present invention.
Fig. 4 is a schematic view of a connection structure of the first and second mandrels according to an embodiment of the present invention.
Fig. 5 is a schematic plan view of a spring-pusher mechanism according to an embodiment of the present invention.
In the attached drawings
10. First mandrel 11, first flange 12, receiving cavity
13. Through hole 20, second core shaft 21, second flange
30. Stop rod 31, rod head 32 and rod tail
33. Shaft 40, spring 50 and ball joint bearing
51. Bearing rod 60, set screw 70, joint bearing
71. Cylindrical rod 72, annular groove 80 and fixing screw
90. Nut 100, limit screw 110 and oil nozzle
Detailed Description
In order to make the objects and technical solutions of the present invention clear and fully described, and the advantages thereof more clearly understood, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some, but not all, embodiments of the present invention and are not to be considered as limiting, and that all other embodiments can be made by one of ordinary skill in the art without any inventive work.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "a," "an," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. But it is obvious. To one of ordinary skill in the art, the embodiments may be practiced without limitation to these specific details. In some instances, well-known anti-loosening methods and structures have not been described in detail to avoid unnecessarily obscuring the embodiments. In addition, all embodiments may be used in combination with each other.
The first embodiment is as follows:
a spring 40 push rod mechanism, as shown in fig. 1 and 2, comprising: the device comprises a first mandrel 10, a second mandrel 20, a spring 40, a limiting rod 30, a ball joint bearing 50 and a joint bearing 70.
The first mandrel 10 has a first flange 11, the first flange 11 being located on the outer surface of the first mandrel 10. The second mandrel 20 is telescopically connected with the first mandrel 10, one end of the first mandrel 10 extends into a cavity of the second mandrel 20, the second mandrel 20 is provided with a second flange 21, and the second flange 21 is located on the outer surface of the second mandrel 20.
The spring 40 is disposed between the first spindle 10 and the second spindle 20, and both ends of the spring 40 abut against the first flange 11 and the second flange 21. The first core shaft 10 further has an accommodating cavity 12 and a through hole 13, the through hole 13 penetrates the accommodating cavity 12 and the cavity, and the aperture size of the through hole 13 is smaller than that of the accommodating cavity 12.
As shown in fig. 3 and 4, the stopper rod 30 includes: a head 31, a hosel 32, and a shaft 33. The club head 31 is arranged in the accommodating cavity 12, the diameter of the club head 31 is matched with that of the accommodating cavity 12, the club head 31 is cylindrical, and the club head 31 is made of rigid materials. The shank end 32 is fixedly connected to the second mandrel 20. The shaft 33 connects the head 31 and the tail 32, the shaft 33 passes through the through hole 13, and the diameter of the shaft 33 is smaller than that of the head 31.
As shown in fig. 5, the ball joint bearing 50 is connected to the first spindle 10. The knuckle bearing 70 is rotatably connected to the second spindle 20.
The utility model discloses be connected gag lever post 30 between first dabber 10 and second dabber 20 for gag lever post 30 forms unsmooth cooperation with first dabber 10, and can slide in the chamber 12 that holds of first dabber 10, makes gag lever post 30 and second dabber 20 form fixed connection simultaneously, no matter how relative motion of first dabber 10 and second dabber 20, gag lever post 30 can both block first dabber 10, avoids first dabber 10 and second dabber 20 not hard up breaking away from. For originally adopting fan-shaped light groove to carry on spacingly, the structural strength of gag lever post 30 is obviously more than fan-shaped light groove, no matter be slip or rotation direction spacing, better limiting displacement can both be realized to gag lever post 30. Meanwhile, the right side of the second mandrel 20 is rotatably connected with the joint bearing 70, so that when the joint bearing 70 rotates, the rotating force and the rotating angle of the second mandrel 20 are reduced, the phenomenon that the threaded connection part of the first mandrel 10 and the ball joint bearing 50 is loosened and separated is improved, the bending deformation of the mandrel and the joint bearing 70 is avoided, and the use process has higher safety and reliability.
In addition, first dabber 10 and second dabber 20 need not add a fan-shaped light groove, only processes to hold chamber 12, perforating hole 13, the cavity way for the hole structure, and consequently, the processing of first dabber 10 and second dabber 20 is more simple convenient, is favorable to improving industrial efficiency.
Preferably, the spring 40 is sleeved on the first core shaft 10 and the second core shaft 20, and the spring 40 is on the same axis with the first core shaft 10 and the second core shaft 20.
Preferably, the first mandrel 10 and the second mandrel 20 are made of rigid materials.
Preferably, the ball joint bearing 50 is provided with a bearing rod 51, the bearing rod 51 is in threaded connection with the accommodating cavity 12 of the first mandrel 10 to fix the ball joint bearing 50 and the first mandrel 10, the spring 40 push rod mechanism further comprises a set screw 60, and the set screw 60 is screwed in along a first through hole formed in the first mandrel 10 to fix the bearing rod 51 on the ball joint bearing 50.
And a set screw 60 is added on the basis of threaded connection for fixing, so that the possibility of loosening of the threaded connection part is reduced.
More preferably, the push rod mechanism of the spring 40 further comprises a nut 90, and the threaded connection of the bearing rod 51 is locked by the nut 90.
Preferably, the push rod mechanism of the spring 40 further comprises a fixing screw 80, and the fixing screw 80 is screwed along a second through hole formed on the second core shaft 20 to fix the rod tail 32 on the limiting rod 30.
After the limiting rod 30 and the second mandrel 20 form fixed connection, the fixing screw 80 is used for fixing, double fixing is achieved, the connection strength of the limiting rod 30 and the second mandrel 20 is further enhanced, and the improvement of safety performance and reliability are facilitated.
Preferably, as shown in fig. 2 and 5, the joint bearing 70 is on the same axis as the second mandrel 20, and the joint bearing 70 has a cylindrical rod 71 and an annular groove 72. The cylindrical rod 71 extends into the rotating groove of the second mandrel 20 and forms a matched rotatable connection with the second mandrel 20, and the cylindrical rod 71 and the rotating groove form a concave-convex matched connecting structure. The annular groove 72 is formed on the outer surface of the cylindrical rod 71, and an annular concave groove structure is formed on the outer surface of the cylindrical rod 71.
The spring 40 push rod mechanism further comprises an oil nozzle 110, the oil nozzle 110 is arranged on the second mandrel 20, the oil nozzle 110 is communicated with the rotating groove, and the oil nozzle 110 corresponds to the annular groove 72.
Lubricating oil is introduced into the annular groove 72 through the oil nozzle 110 on the second mandrel 20, so that the relative lubrication between the cylindrical rod 71 on the joint bearing 70 and the second mandrel 20 is realized, the mutual friction between the second mandrel 20 and the joint bearing 70 is reduced, the rotation strength and the rotation angle of the second mandrel 20 are further reduced, the phenomenon that the threaded connection part of the first mandrel 10 and the ball joint bearing 50 is loosened and separated is further improved, and the possibility of bending deformation of the mandrel and the joint bearing 70 is reduced.
Preferably, the pusher mechanism of the spring 40 further comprises a stop screw 100, the stop screw 100 being threaded along a third through hole on the second mandrel 20 to enter into the annular groove 72.
The limiting screw 100 penetrates through the second mandrel 20 and is clamped into the annular groove 72, so that the cylindrical rod 71 of the joint bearing 70 can be limited in moving left and right, and the cylindrical rod 71 of the joint bearing 70 is prevented from being separated from the second mandrel 20.
More preferably, stop screw 100 is positioned in annular groove 72 with the trailing end of stop screw 100 having clearance from annular groove 72.
The stop screw 100 is in clearance with the annular groove to avoid reducing the relative lubrication of the spherical plain bearing 70 and the second mandrel 20. The looseness and separation phenomenon at the threaded connection part of the first mandrel 10 and the ball joint bearing 50 is improved, and the possibility of bending deformation of the mandrel and the joint bearing 70 is reduced.
More preferably, the end of the stop screw 100 is in an arc-shaped semispherical configuration, and the groove of the annular groove 72 is in an arc-shaped configuration.
The arc structure is beneficial to guiding lubricating oil to two sides of the cylindrical rod 71, and relative lubrication between the joint bearing 70 and the second mandrel 20 is enhanced.
A method of preventing loosening, comprising the steps of:
at least one limiting rod 30 is connected between the first mandrel 10 and the second mandrel 20, so that the limiting rod 30 and the first mandrel 10 form concave-convex fit and can slide in the accommodating cavity 12 of the first mandrel 10, and meanwhile, the limiting rod 30 and the second mandrel 20 form fixed connection, and in the process of relative movement between the first mandrel 10 and the second mandrel 20, when the first mandrel 10 is separated from the second mandrel 20, the limiting rod 30 can clamp the first mandrel 10, and the first mandrel 10 and the second mandrel 20 are prevented from loosening and separating.
The right side of the second mandrel 20 is rotatably connected with the joint bearing 70, so that when the joint bearing 70 rotates, the rotating force and angle of the second mandrel 20 are reduced, and the phenomenon that the threaded connection part of the first mandrel 10 and the ball joint bearing 50 is loosened and separated is improved.
Preferably, after the limiting rod 30 and the second core shaft 20 are fixedly connected, the fixing screw 80 is used for fixing, so that double fixation is realized, and the connection strength between the limiting rod 30 and the second core shaft 20 is further enhanced.
Preferably, the threaded connection between the first mandrel 10 and the ball joint bearing 50 is locked by a nut 90, and the ball joint bearing 50 is fixed on the first mandrel 10 by a fastening screw 60, so as to enhance the connection strength between the ball joint bearing 50 and the first mandrel 10.
Preferably, the annular groove 72 is provided on the cylindrical rod 71 for connection on the joint bearing 70, so that the oil nozzle 110 on the second mandrel 20 introduces lubricating oil into the annular groove 72, the mutual friction between the second mandrel 20 and the joint bearing 70 is reduced, and simultaneously the cylindrical rod 71 of the joint bearing 70 is prevented from being separated from the second mandrel 20 by the limit screw 100 passing through the second mandrel 20 and being clamped into the annular groove 72, and the limit screw 100 also forms a certain gap with the annular groove, so that the relative lubrication between the joint bearing 70 and the second mandrel 20 is prevented from being reduced.
Example two:
a quick-connect apparatus comprising a spring 40 and a pusher mechanism according to any of the preceding embodiments.
Although the invention has been described with respect to illustrative embodiments thereof so that those skilled in the art can understand the invention, it is to be understood that the invention is not limited to the disclosed embodiments, but rather, is intended to cover all modifications and variations within the spirit and scope of the invention as defined and defined by the appended claims.
Claims (11)
1. A spring pusher mechanism, comprising:
a first mandrel having:
a first flange located at the first mandrel outer surface;
the second dabber with first dabber telescopic connection, the one end of first dabber stretches into in the cavity way of second dabber, the second dabber has:
a second flange located on the second mandrel outer surface;
the spring is arranged between the first mandrel and the second mandrel, and two ends of the spring abut against the first flange and the second flange;
the first mandrel further has:
an accommodating chamber;
the through hole penetrates through the accommodating cavity and the cavity channel, and the size of the through hole is smaller than that of the accommodating cavity;
a stop lever having:
the rod head is arranged in the accommodating cavity, and the size of the rod head is matched with that of the accommodating cavity;
the rod tail is fixedly connected with the second mandrel;
the rod body is connected with the rod head and the rod tail and penetrates through the through hole, and the size of the rod body is smaller than that of the rod head;
the ball joint bearing is connected with the first mandrel;
and the joint bearing is rotatably connected with the second mandrel.
2. The spring-pusher mechanism of claim 1, wherein the spring is sleeved over the first and second mandrels and is on the same axis as the first and second mandrels.
3. The spring-pusher mechanism of claim 1, wherein the first and second mandrels are formed of a rigid material.
4. The spring-pushrod mechanism of claim 1 wherein the ball-joint bearing has a bearing rod thereon that is threaded into the receiving cavity of the first mandrel to secure the ball-joint bearing to the first mandrel, the spring-pushrod mechanism further comprising:
the fastening screw is screwed in along a first through hole formed in the first mandrel so as to fix the bearing rod on the ball joint bearing.
5. The spring-pusher mechanism of claim 4, further comprising:
and the threaded connection part of the bearing rod is locked by the nut.
6. The spring-pusher mechanism of claim 1, further comprising:
and the fixing screw is screwed in along a second through hole arranged on the second mandrel so as to fix the rod tail on the limiting rod.
7. The spring-pusher mechanism of claim 1 wherein the knuckle bearing is on the same axis as the second mandrel, the knuckle bearing having thereon:
the cylindrical rod extends into the rotating groove of the second mandrel and forms a matched rotatable connection with the second mandrel;
the annular groove is arranged on the outer surface of the cylindrical rod, and an annular groove structure which is inwards concave is formed on the outer surface of the cylindrical rod;
the spring push rod mechanism further comprises:
the oil nozzle is arranged on the second mandrel and communicated with the rotary groove, and the oil nozzle corresponds to the annular groove.
8. The spring-pusher mechanism of claim 7, further comprising:
and the limiting screw is screwed in along the third through hole on the second mandrel so as to enter the annular groove.
9. The spring-pusher mechanism of claim 8, wherein the set screw is located in the annular groove with a gap between a trailing end of the set screw and the annular groove.
10. The spring pusher mechanism of claim 9 wherein the tail end of the set screw is of an arcuate, hemispherical configuration and the recess of the annular groove is arcuate in configuration.
11. A quick-connect apparatus comprising a spring-pusher mechanism as claimed in any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021657802.7U CN213451294U (en) | 2020-08-11 | 2020-08-11 | Spring push rod mechanism and quick connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021657802.7U CN213451294U (en) | 2020-08-11 | 2020-08-11 | Spring push rod mechanism and quick connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213451294U true CN213451294U (en) | 2021-06-15 |
Family
ID=76309841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021657802.7U Active CN213451294U (en) | 2020-08-11 | 2020-08-11 | Spring push rod mechanism and quick connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213451294U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853047A (en) * | 2020-08-11 | 2020-10-30 | 江苏长隆石化装备有限公司 | Spring push rod mechanism, quick connecting device and anti-loosening method |
-
2020
- 2020-08-11 CN CN202021657802.7U patent/CN213451294U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853047A (en) * | 2020-08-11 | 2020-10-30 | 江苏长隆石化装备有限公司 | Spring push rod mechanism, quick connecting device and anti-loosening method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213451294U (en) | Spring push rod mechanism and quick connecting device | |
| CN104416270A (en) | Mount for a welding gun for connecting said welding gun to an arm of a welding robot | |
| CN201421422Y (en) | Conducting wire clamp for tension tester | |
| CN111853047A (en) | Spring push rod mechanism, quick connecting device and anti-loosening method | |
| CN101782114A (en) | Universal joint | |
| CN103615455A (en) | Novel lock pin device | |
| CN113649614A (en) | Cylindrical surface pore-forming equipment | |
| TWM285422U (en) | Fixed-angle pneumatic/hydraulic vise | |
| CN211442472U (en) | Ball head pull rod with deflection preventing function | |
| CN108742820B (en) | Guiding device for lower tibiofibular union fixation | |
| CN209701232U (en) | A kind of port traffic cargo clamping device | |
| CN220204582U (en) | High strength drive gear forging | |
| CN113580054A (en) | A kind of spanner | |
| CN112025428A (en) | Steel pipe deruster | |
| CN214025185U (en) | Flexible polishing head for rail transit | |
| CN213182485U (en) | Notebook computer rotating shaft core | |
| CN217338829U (en) | Supporting and fixing device for medical instrument mechanical arm | |
| CN219562254U (en) | Screw rod pressing plate device of vertical drilling machine | |
| CN217914988U (en) | Screw clamp | |
| CN218860797U (en) | Ultrasonic impact strengthening device | |
| CN219250273U (en) | Ball head universal clamp | |
| CN220723333U (en) | Vertical lifting sling for cylinder sleeve of marine diesel engine | |
| CN212356340U (en) | Slewing device and lorry-mounted crane | |
| CN216471799U (en) | Turnable and rotatable lifting lug | |
| CN217453084U (en) | Manual rotary clamping device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |