CN212004076U - Finish rolling seamless steel pipe for piston rod of shock absorber - Google Patents
Finish rolling seamless steel pipe for piston rod of shock absorber Download PDFInfo
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- CN212004076U CN212004076U CN202020305443.2U CN202020305443U CN212004076U CN 212004076 U CN212004076 U CN 212004076U CN 202020305443 U CN202020305443 U CN 202020305443U CN 212004076 U CN212004076 U CN 212004076U
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- piston rod
- steel pipe
- shock absorber
- seamless steel
- spring
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Abstract
The utility model discloses a finish rolling seamless steel pipe for bumper shock absorber piston rod belongs to seamless steel pipe technical field. Shock absorber piston rod is with finish rolling seamless steel pipe, including the steel pipe main part, be equipped with the flanging in the steel pipe main part, still include: the falling stopping disc is connected to the steel pipe main body in a sliding manner; the telescopic piston rod is detachably connected to the steel pipe main body and used for driving the falling stopping disc to slide; the telescopic piston rod comprises a first piston rod, a second piston rod and a third piston rod; the two ends of the first spring are respectively and fixedly connected to the first piston rod and the second piston rod; two ends of the second spring are respectively and fixedly connected to the second piston rod and the third piston rod; the hollow groove is arranged in the telescopic piston rod; the opening and closing valve is arranged on the third piston rod; the utility model discloses can adjust the dish that ends in the steel pipe main part, and then can adjust the stroke of bumper shock absorber piston rod, the distance of regulation is more convenient for control, adjusts more accurate, stable, easy operation.
Description
Technical Field
The utility model relates to a seamless steel pipe technical field especially relates to shock absorber piston rod is with finish rolling seamless steel pipe.
Background
The shock absorber is used for inhibiting the shock when the spring absorbs the shock and rebounds and the impact from the road surface, the piston rod of the existing shock absorber usually uses a seamless steel tube, the seamless steel tube is made of a whole metal, and no seam exists on the surface.
In the prior art, the utility model discloses a finish rolling seamless steel tube for a damper piston rod, which is a utility model patent with the name of finish rolling seamless steel tube for the damper piston rod, the patent application number of 201820738995.5, the grant publication number of CN208381185U, and the name of the utility model is finish rolling seamless steel tube for the damper piston rod, which comprises a steel tube body, at least two splicing through holes are arranged on the steel tube body from top to bottom at intervals, the radial cross section of the splicing through holes is vertical to the radial cross section of the steel tube body, the inner surface of the splicing through holes is provided with threads, a falling-stopping device is fixed outside any one of the splicing through holes, and plugging bolts which are matched and; the anti-falling device comprises a left anti-falling frame and a right anti-falling frame which are symmetrically arranged on the outer peripheral surface of the steel pipe body respectively corresponding to the two ends of the inserting through hole, and the anti-falling device further comprises an anti-falling bolt which locks the left anti-falling frame and the right anti-falling frame with the steel pipe body. The utility model discloses a shutoff bolt and the cooperation of falling device and grafting through-hole can carry out the spacing of a plurality of positions on the steel pipe body, realize the selectivity control of piston rod stroke, satisfy the timing demand.
However, above-mentioned utility model discloses a finish rolling seamless steel pipe for bumper shock absorber piston rod needs predetermine the grafting through-hole on the steel pipe body, in case the setting can not change, consequently accurate nature when adjusting the piston rod stroke is not convenient for confirm, and then has reduced the result of use.
Disclosure of Invention
The utility model aims at solving the problem that proposes among the above-mentioned background art, and the seamless steel pipe of finish rolling for the bumper shock absorber piston rod that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
shock absorber piston rod is with finish rolling seamless steel pipe, including the steel pipe main part, be equipped with the flanging in the steel pipe main part, still include: the falling stopping disc is connected to the steel pipe main body in a sliding manner; the telescopic piston rod is detachably connected to the steel pipe main body and used for driving the falling stopping disc to slide; the telescopic piston rod comprises a first piston rod, a second piston rod and a third piston rod; the two ends of the first spring are respectively and fixedly connected to the first piston rod and the second piston rod; two ends of the second spring are respectively and fixedly connected to the second piston rod and the third piston rod; the hollow groove is arranged in the telescopic piston rod; wherein the hollow groove is filled with fluid; and the opening and closing valve is arranged on the third piston rod and used for controlling the opening and closing of the hollow groove.
Preferably, the opening and closing valve is connected to the third piston rod in a threaded mode.
Preferably, the piston rod further comprises a bolt which is connected to the third piston rod and the outward turning edge in a threaded mode.
Preferably, the elastic force of the first spring is smaller than the elastic force of the second spring.
Preferably, the landing disc is connected with the steel pipe main body through a bearing.
Preferably, a buffer pad is sleeved on the side edge of the third piston rod.
Compared with the prior art, the utility model provides a finish rolling seamless steel pipe for bumper shock absorber piston rod possesses following beneficial effect:
1. when a user uses the finish rolling seamless steel tube for the piston rod of the shock absorber, the telescopic piston rod is firstly sleeved on the steel tube main body, the outer surface of the steel tube main body cannot be damaged due to the arrangement of the buffer cushion, and then the telescopic piston rod is fixed on the eversion edge through six groups of bolts;
under the action of the forces of the first spring and the second spring, the telescopic piston rod is in the shortest state in the initial state;
then opening the opening and closing valve, injecting fluid into the hollow groove on the telescopic piston rod, enabling the telescopic piston rod to extend under the pressure of the fluid, enabling the first piston rod to preferentially extend out under the action of the first spring and the second spring, pushing the falling stopping disc to slide, taking the position of the falling stopping disc on the steel pipe main body through the scale at the moment, and finally closing the opening and closing valve, wherein a sealing gasket for improving the sealing performance of the hollow groove is arranged on the opening and closing valve;
under the action of the first spring and the second spring, the falling-stopping disc can be pressed against the telescopic piston rod, so that the falling-stopping disc is effectively prevented from sliding under stress when being closed;
in order to further improve the stability of the anti-falling plate, the anti-falling plate can be pressed after the adjustment is finished, and the stability of the anti-falling plate is detected;
the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can adjust the dish that ends in the steel pipe main part, and then can adjust the stroke of bumper shock absorber piston rod, the distance of regulation is more convenient for control, adjusts more accurate, stable, easy operation.
Drawings
FIG. 1 is one of the schematic structural views of a finish rolled seamless steel tube for a piston rod of a shock absorber according to the present invention;
FIG. 2 is a schematic structural view of the portion A in FIG. 1 of the finish rolled seamless steel tube for the piston rod of the shock absorber according to the present invention;
fig. 3 is one of the structural schematic diagrams of the finish rolling seamless steel tube for the piston rod of the shock absorber provided by the utility model.
In the figure: 1. a steel pipe body; 101. flanging; 102. a bolt; 2. a telescopic piston rod; 201. a first piston rod; 202. a second piston rod; 203. a third piston rod; 204. a drop stopping disc; 205. a first spring; 206. a second spring; 207. an opening and closing valve; 208. a hollow groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1-3, the finish rolling seamless steel tube for the piston rod of the shock absorber comprises a steel tube main body 1, wherein a flanging 101 is arranged on the steel tube main body 1, and the finish rolling seamless steel tube further comprises: a falling prevention plate 204 connected to the steel pipe body 1 in a sliding manner; the telescopic piston rod 2 is detachably connected to the steel pipe main body 1 and used for driving the falling stopping disc 204 to slide; the telescopic piston rod 2 comprises a first piston rod 201, a second piston rod 202 and a third piston rod 203; a first spring 205, both ends of which are respectively fixedly connected to the first piston rod 201 and the second piston rod 202; a second spring 206, both ends of which are respectively fixedly connected to the second piston rod 202 and the third piston rod 203; a hollow groove 208 provided in the telescopic piston rod 2; wherein, the hollow groove 208 is filled with fluid; and an opening and closing valve 207 provided on the third piston rod 203 for controlling the opening and closing of the hollow groove 208.
The opening and closing valve 207 is screwed on the third piston rod 203, and it should be noted that the opening and closing valve 207 and the third piston rod 203 may also be connected by other connection methods such as a valve inside on a tire.
The telescopic piston rod assembly further comprises a bolt 102, wherein the bolt 102 is in threaded connection with the third piston rod 203 and the flanging 101, and the telescopic piston rod 2 is convenient to install and dismantle.
In order to improve the stability and order of sliding of the telescopic piston rod 2, the elastic force of the first spring 205 is smaller than the elastic force of the second spring 206.
In order to prevent the steel tube main body 1 from being damaged by the sliding of the falling prevention disc 204 and the third piston rod 203, the falling prevention disc 204 is connected with the steel tube main body 1 through a bearing, and a cushion pad is sleeved on the side edge of the third piston rod 203.
When a user uses the steel pipe, the telescopic piston rod 2 is sleeved on the steel pipe main body 1, the outer surface of the steel pipe main body 1 cannot be damaged due to the arrangement of the buffer cushion, and then the telescopic piston rod 2 is fixed on the flanging 101 through six groups of bolts 102;
in the initial state, the telescopic piston rod 2 is in the shortest state under the action of the forces of the first spring 205 and the second spring 206;
then opening the opening and closing valve 207, injecting fluid into the hollow groove 208 on the telescopic piston rod 2, enabling the telescopic piston rod 2 to extend under the pressure of the fluid, enabling the first piston rod 201 to preferentially extend out under the action of the first spring 205 and the second spring 206, pushing the falling stopping disc 204 to slide, taking the position of the falling stopping disc 204 on the steel pipe main body 1 through the scale at the moment, and finally closing the opening and closing valve 207, wherein a sealing gasket for improving the sealing performance of the hollow groove 208 is arranged on the opening and closing valve 207;
under the action of the first spring 205 and the second spring 206, the falling-stop disc 204 can be pressed against the telescopic piston rod 2, so that the falling-stop disc 204 is effectively prevented from sliding under the action of force when being closed;
in order to further improve the stability of the anti-falling disc 204, the anti-falling disc 204 can be pressed after the adjustment is completed, and the stability of the anti-falling disc 204 is detected;
the utility model discloses can adjust the dish 204 that ends on the steel pipe main part 1, and then can adjust the stroke of bumper shock absorber piston rod, the distance of regulation is more convenient for control, adjusts more accurately, stable, easy operation.
Example 2:
referring to fig. 1 to 3, a finish rolled seamless steel pipe for a piston rod of a shock absorber is basically the same as that of embodiment 1, and further, this embodiment is a specific example of a fluid, specifically, a hydraulic oil.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. Finishing seamless steel tube for piston rod of shock absorber, including steel pipe main part (1), be equipped with flanging (101) on steel pipe main part (1), its characterized in that still includes:
the falling stopping disc (204) is connected to the steel pipe main body (1) in a sliding manner;
the telescopic piston rod (2) is detachably connected to the steel pipe main body (1) and is used for driving the falling stopping disc (204) to slide;
wherein the telescopic piston rod (2) comprises a first piston rod (201), a second piston rod (202) and a third piston rod (203);
the two ends of the first spring (205) are respectively and fixedly connected to the first piston rod (201) and the second piston rod (202);
a second spring (206), both ends of which are respectively fixedly connected to the second piston rod (202) and the third piston rod (203);
a hollow groove (208) arranged in the telescopic piston rod (2);
wherein the hollow groove (208) is filled with fluid;
and the opening and closing valve (207) is arranged on the third piston rod (203) and is used for controlling the opening and closing of the hollow groove (208).
2. The finish rolled seamless steel pipe for a piston rod of a shock absorber according to claim 1, wherein said opening and closing valve (207) is screwed to the third piston rod (203).
3. The finish rolled seamless steel tube for the piston rod of a shock absorber according to claim 1, further comprising a bolt (102), wherein the bolt (102) is threadedly connected to the third piston rod (203) and the outward flange (101).
4. The finish rolled seamless steel pipe for a piston rod of a shock absorber according to claim 3, wherein an elastic force of the first spring (205) is smaller than an elastic force of the second spring (206).
5. The finish rolled seamless steel pipe for a piston rod of a shock absorber according to claim 1, wherein the landing disc (204) is connected to the steel pipe body (1) through a bearing.
6. The finish rolled seamless steel tube for the piston rod of the shock absorber according to claim 5, wherein a cushion pad is sleeved on the side edge of the third piston rod (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020305443.2U CN212004076U (en) | 2020-03-12 | 2020-03-12 | Finish rolling seamless steel pipe for piston rod of shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020305443.2U CN212004076U (en) | 2020-03-12 | 2020-03-12 | Finish rolling seamless steel pipe for piston rod of shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212004076U true CN212004076U (en) | 2020-11-24 |
Family
ID=73433742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020305443.2U Active CN212004076U (en) | 2020-03-12 | 2020-03-12 | Finish rolling seamless steel pipe for piston rod of shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212004076U (en) |
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2020
- 2020-03-12 CN CN202020305443.2U patent/CN212004076U/en active Active
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