CN221299940U - Outer steel pipe of long-stroke gas spring stable extension - Google Patents

Outer steel pipe of long-stroke gas spring stable extension Download PDF

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Publication number
CN221299940U
CN221299940U CN202323170153.4U CN202323170153U CN221299940U CN 221299940 U CN221299940 U CN 221299940U CN 202323170153 U CN202323170153 U CN 202323170153U CN 221299940 U CN221299940 U CN 221299940U
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CN
China
Prior art keywords
outer steel
gas spring
steel tube
screw rod
ring
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CN202323170153.4U
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Chinese (zh)
Inventor
李在山
张茂银
张焕钰
马希立
冯庆财
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QINGDAO ZHANGSHI MACHINERY CO Ltd
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QINGDAO ZHANGSHI MACHINERY CO Ltd
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Priority to CN202323170153.4U priority Critical patent/CN221299940U/en
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Abstract

The utility model discloses a long-stroke gas spring stable telescopic outer steel tube, which comprises a gas spring main body, wherein the gas spring main body comprises an outer steel tube and a piston rod, one end of the piston rod is slidably arranged in the outer steel tube and is in airtight connection with the outer steel tube, the bottom end of the outer steel tube is sleeved with a mounting seat, the outer wall of the outer steel tube is fixedly provided with a fixed ring, the outer side of the top end of the piston rod is fixedly sleeved with an end sleeve, and a screw rod distributed in a circumferential array is rotatably arranged between the top and the bottom of the fixed ring. The whole length is changed through the movement of the mounting seat, so that the mounting seat is suitable for mounting environments with different lengths, the applicability is improved, and the mounting seat is prevented from falling and separating through limiting by the limiting ring; and the locking bolt is screwed to abut against the locking rod, so that the locking rod is locked, the piston rod is prevented from being compressed under the action of insufficient lifting force or external force in application, the protection function is achieved, and the problem that a product cannot be achieved or potential safety hazards are caused is avoided.

Description

Outer steel pipe of long-stroke gas spring stable extension
Technical Field
The utility model relates to the technical field related to gas springs, in particular to a long-stroke gas spring stable telescopic outer steel tube.
Background
The gas spring is an industrial fitting which can play roles of supporting, buffering, braking, height adjustment, angle adjustment and the like. The principle is that inert gas is filled into a closed pressure cylinder to ensure that the pressure in a cavity is higher than atmospheric pressure, and the piston rod is moved by utilizing the pressure difference generated by the fact that the cross section area of the piston rod is smaller than that of the piston. The gas spring mainly comprises an outer sleeve, an inner tube and the like, and the outer sleeve is mainly formed by cutting a long steel tube.
For example, the Chinese patent with the bulletin number of CN217873936U is entitled as an outer sleeve for a gas spring, and the Chinese patent rotates in a through hole on a fixed ring through a screw, and as the screw is in threaded connection with a moving disc, the moving disc moves along the screw along with the rotation of the screw, so that a driving rod is driven to change the position of a mounting seat, the position of the mounting seat is adjustable, and the pipe body is suitable for different occasions.
In practical use, the utility model still has the following defects;
1. When the screw rod is regulated, two synchronous rotations are needed, otherwise, a certain amount of interference exists, a limiting mechanism is not used, and the mounting seat is easy to fall off and separate;
2. The gas spring can be compressed in application sometimes because of insufficient lifting force or external force, the load can drop, the outer steel tube is simple in structure and does not have a protection function, the load of the gas spring can drop and can not reach the function of a product, and certain potential safety hazards can be caused seriously.
Disclosure of utility model
Aiming at the problems existing in the prior art, the utility model aims to provide a long-stroke outer steel pipe for stabilizing expansion of a gas spring.
In order to solve the problems, the utility model adopts the following technical scheme.
The long-stroke gas spring stable telescopic outer steel tube comprises a gas spring main body, wherein the gas spring main body comprises an outer steel tube and a piston rod, one end of the piston rod is arranged in the outer steel tube in a sliding mode and is in airtight connection with the outer steel tube, an installation seat is sleeved at the bottom end of the outer steel tube, a fixing ring is fixedly installed on the outer wall of the outer steel tube, and an end sleeve is fixedly sleeved at the outer side of the top end of the piston rod;
The screw rod that circumference array distributed is rotatably arranged between the top and the bottom of fixed ring, be provided with the rotatory actuating mechanism of drive screw rod in the fixed ring, the outer wall threaded connection of screw rod has the nut, fixedly be provided with the connecting strip between nut and the mount pad, one side of pot head is fixed to be provided with the dead lever.
As a further description of the above technical solution: the outer wall of the screw above the fixed ring is provided with a stop bolt in a threaded manner, and the stop bolt can lock the stop rod in the screw after being screwed.
As a further description of the above technical solution: the bottom end fixing of screw rod has cup jointed the spacing ring, when mount pad and spacing ring contact, the bottom of mount pad flushes with the lower terminal surface of outer steel pipe.
As a further description of the above technical solution: the top of the fixed ring is provided with an annular through groove, the driving mechanism comprises an inner gear ring arranged inside the fixed ring, a gear meshed with the inner gear ring is fixedly sleeved on the outer wall of the screw rod, and the top of the inner gear ring is fixedly provided with a locking assembly penetrating through the annular through groove.
As a further description of the above technical solution: the inner side wall of the fixed ring is provided with an annular chute, the outer ring of the inner gear ring is fixedly provided with guide blocks distributed in a circumferential array, one end of each guide block, which is far away from the inner gear ring, extends into the annular chute, and the guide blocks can slide along the annular chute to realize rotation of the inner gear ring.
As a further description of the above technical solution: the locking component comprises a connecting seat fixedly connected with the top of the inner gear ring, a stud arranged on one side of the connecting seat in a penetrating way, a handle fixed at one end of the stud, and a clamping plate rotatably arranged at the other end of the stud;
Wherein the connecting seat is The clamping plate is located at the inner side of the connecting seat and is arc-shaped and is matched with the fixing ring, and the stud is in threaded connection with the connecting seat.
As a further description of the above technical solution: the top of connecting seat has seted up the spacing groove, the slip is provided with spacing piece in the spacing groove, spacing piece fixed connection is in the top of splint.
As a further description of the above technical solution: the screw rod is hollow component, the bottom of dead lever can insert in the screw rod, the length of screw rod and mount pad sum and the length of outer steel pipe are the same, the up end of screw rod flushes with the up end of outer steel pipe, the length of dead lever is greater than the length of screw rod.
Compared with the prior art, the utility model has the advantages that:
1. This scheme drives gear rotation through the ring gear is rotatory, drives the screw rod rotation and makes the nut remove along the screw rod, and the nut moves the mount pad through the connecting band and removes, changes the installation environment that whole length is applicable to different length, improves the suitability to the spacing ring that the bottom of screw rod set up carries out spacingly to the nut, avoids the mount pad to drop the separation.
2. This scheme can drive the pot head when the piston rod stretches and make the dead lever remove along the screw rod is inside, when reaching the position of use, contradicts the dead lever through screwing the dead bolt, and then locks the dead lever, avoids the piston rod to be compressed under the effect of sometimes because lifting force is not enough or external force in the application, possesses protect function, avoids unable function that reaches the product, perhaps causes the potential safety hazard.
Drawings
FIG. 1 is a schematic perspective view of the whole structure of the present utility model;
FIG. 2 is a schematic view of a partial perspective structure of the present utility model;
FIG. 3 is a schematic perspective view of a retaining ring according to the present utility model;
FIG. 4 is a schematic view of a partial cross-sectional perspective of a retaining ring of the present utility model;
fig. 5 is an enlarged schematic view of fig. 4 at a in accordance with the present utility model.
The reference numerals in the figures illustrate:
1. a gas spring main body; 11. an outer steel pipe; 12. a piston rod; 2. a mounting base; 3. a fixing ring; 31. a screw; 32. a driving mechanism; 321. an inner gear ring; 322. a gear; 323. a locking assembly; 3231. a connecting seat; 3232. a stud; 3233. a handle; 3234. a clamping plate; 3235. a limit groove; 3236. a limiting piece; 33. a nut; 34. a connecting strip; 35. a limiting ring; 36. an annular through groove; 37. an annular chute; 38. a guide block; 4. an end sleeve; 41. a stop lever; 42. a stop bolt.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model;
Referring to fig. 1 to 5, in the utility model, a long-stroke gas spring stable telescopic outer steel tube comprises a gas spring main body 1, wherein the gas spring main body 1 comprises an outer steel tube 11 and a piston rod 12, one end of the piston rod 12 is slidably arranged in the outer steel tube 11 and is in airtight connection with the outer steel tube 11, a mounting seat 2 is sleeved at the bottom end of the outer steel tube 11, a fixing ring 3 is fixedly arranged on the outer wall of the outer steel tube 11, and an end sleeve 4 is fixedly sleeved at the outer side of the top end of the piston rod 12;
screw rods 31 distributed in a circumferential array are rotatably arranged between the top and the bottom of the fixed ring 3, a driving mechanism 32 for driving the screw rods 31 to rotate is arranged in the fixed ring 3, nuts 33 are connected with the outer wall of the screw rods 31 in a threaded mode, connecting strips 34 are fixedly arranged between the nuts 33 and the mounting seat 2, and a stop rod 41 is fixedly arranged on one side of the end sleeve 4.
In this embodiment, preferably, a stop bolt 42 is screwed on the outer wall of the portion of the screw 31 above the fixing ring 3, and the stop bolt 42 can lock the stop lever 41 in the screw 31 after being screwed.
In this embodiment, preferably, the bottom end of the screw 31 is fixedly sleeved with the stop collar 35, and when the mounting seat 2 contacts with the stop collar 35, the bottom of the mounting seat 2 is flush with the lower end face of the outer steel pipe 11.
In this embodiment, preferably, the top of the fixed ring 3 is provided with an annular through groove 36, the driving mechanism 32 includes an inner gear ring 321 disposed inside the fixed ring 3, a gear 322 meshed with the inner gear ring 321 is fixedly sleeved on the outer wall of the screw 31, and a locking component 323 penetrating through the annular through groove 36 is fixedly mounted on the top of the inner gear ring 321.
In this embodiment, preferably, the inner side wall of the fixed ring 3 is provided with an annular chute 37, the outer ring of the inner gear ring 321 is fixedly provided with guide blocks 38 distributed in a circumferential array, one end of the guide block 38 away from the inner gear ring 321 extends into the annular chute 37, and the guide block 38 can slide along the annular chute 37 to realize rotation of the inner gear ring 321.
In this embodiment, preferably, the locking assembly 323 includes a connecting seat 3231 fixedly connected to the top of the ring gear 321, a stud 3232 inserted through one side of the connecting seat 3231, a handle 3233 fixed at one end of the stud 3232, and a clamping plate 3234 rotatably disposed at the other end of the stud 3232;
wherein the connecting seat 3231 is The clamping plate 3234 is positioned on the inner side of the connecting seat 3231, the clamping plate 3234 is arc-shaped and is matched with the fixing ring 3, and the stud 3232 is in threaded connection with the connecting seat 3231.
In this embodiment, preferably, the top of the connection seat 3231 is provided with a limit groove 3235, a limit plate 3236 is slidably disposed in the limit groove 3235, the limit plate 3236 is fixedly connected to the top of the clamping plate 3234, and the clamping plate 3234 can drive the limit plate 3236 to slide along the limit groove 3235 when moving, so as to limit the clamping plate 3234 and make the limit plate move linearly.
In this embodiment, preferably, the screw 31 is a hollow member, the bottom end of the stop rod 41 can be inserted into the screw 31, the sum of the length of the screw 31 and the sum of the thickness and the mounting seat 2 is the same as the length of the outer steel pipe 11, the upper end surface of the screw 31 is flush with the upper end surface of the outer steel pipe 11, the length of the stop rod 41 is greater than the length of the screw 31, and when the piston rod 12 is extended to the maximum, the stop rod 41 remains in the screw 31 because the length of the stop rod 41 is greater than the length of the screw 31.
The working principle and the using flow of the utility model are as follows:
Because the stud 3232 is in threaded connection with the connecting seat 3231, the stud 3232 is controlled to rotate through the handle 3233, the stud 3232 can feed or retreat towards the fixed ring 3 when rotating, the stud 3232 pushes and pulls the clamping plate 3234, and the clamping plate 3234 clamps or loosens the fixed ring 3;
During installation, according to the condition of the installation position, the clamping studs 3232 are rotated to enable the clamping plates 3234 not to contact the fixed ring 3, at the moment, the locking assembly 323 can be enabled to move along the annular through groove 36, the locking assembly 323 can drive the annular gear 321 to rotate, the annular gear 321 is meshed with the gear 322 when rotating, the gear 322 rotates and drives the screw rod 31 to rotate, the screw rod 31 is driven by threads to enable the nut 33 to move along the screw rod 31 when rotating, the nut 33 drives the installation seat 2 to move through the connecting strip 34, the overall length is changed through the movement of the installation seat 2, the installation seat is suitable for installation environments with different lengths, applicability is improved, the screws 31 distributed in a circumferential array synchronously rotate, the studs 3232 cannot rotate respectively to generate certain interference, and the limiting rings 35 arranged at the bottom ends of the screw rods 31 limit the nut 33, so that the installation seat 2 is prevented from falling and separating;
When the gas spring main body 1 is used, the extension of the piston rod 12 can drive the end sleeve 4, the end sleeve 4 drives the stop rod 41 to move along the inside of the screw rod 31, in the process of extension of the piston rod 12, the movement is more stable, when the use position is reached, the stop rod 41 is abutted by screwing the stop bolt 42, the stop rod 41 is locked, any one of the stop bolts 42 can be locked, the plurality of stop bolts 42 can also be locked, the piston rod 12 is locked through the locking of the stop rod 41 according to actual use operation, the piston rod 12 is prevented from being compressed under the action of insufficient lifting force or external force sometimes in application, the protection function is realized, the function of a product cannot be achieved, or potential safety hazards are avoided.
The electronic components and modules used in the utility model can be commonly used in the market at present and can realize the parts with specific functions in the scheme, the specific types and sizes can be selected and adjusted according to actual needs, the electronic components and modules are connected with an external power supply and a control switch for use, and the specific circuit connection mode and the use method are commonly disclosed technologies and are not repeated herein.
The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (8)

1. The utility model provides a flexible outer steel pipe is stabilized to long-stroke gas spring, includes gas spring main part (1), its characterized in that: the gas spring main body (1) comprises an outer steel pipe (11) and a piston rod (12), one end of the piston rod (12) is slidably arranged in the outer steel pipe (11) and is in airtight connection with the outer steel pipe (11), a mounting seat (2) is arranged at the bottom end sleeve (4) of the outer steel pipe (11), a fixing ring (3) is fixedly arranged on the outer wall of the outer steel pipe (11), and an end sleeve (4) is fixedly sleeved at the outer side of the top end of the piston rod (12);
The screw rod (31) that circumference array distributes is rotatably arranged between top and the bottom of solid fixed ring (3), be provided with in solid fixed ring (3) drive mechanism (32) that drive screw rod (31) rotated, the outer wall threaded connection of screw rod (31) has nut (33), fixedly between nut (33) and mount pad (2) be provided with connecting strip (34), one side of pot head (4) is fixed and is provided with stop lever (41).
2. The long travel gas spring stable telescoping outer steel tube of claim 1, wherein: the screw rod (31) is provided with a stop bolt (42) on the outer wall of the part above the fixed ring (3) in a threaded manner, and the stop bolt (42) can lock the stop rod (41) in the screw rod (31) after being screwed.
3. The long travel gas spring stable telescoping outer steel tube of claim 1, wherein: the bottom end fixing of screw rod (31) has cup jointed spacing ring (35), when mount pad (2) and spacing ring (35) contact, the bottom of mount pad (2) flushes with the lower terminal surface of outer steel pipe (11).
4. The long travel gas spring stable telescoping outer steel tube of claim 1, wherein: annular through grooves (36) are formed in the top of the fixed ring (3), the driving mechanism (32) comprises an inner gear ring (321) arranged inside the fixed ring (3), a gear (322) meshed with the inner gear ring (321) is fixedly sleeved on the outer wall of the screw rod (31), and a locking assembly (323) penetrating through the annular through grooves (36) is fixedly arranged at the top of the inner gear ring (321).
5. The long travel gas spring stable telescoping outer steel tube of claim 4, wherein: annular sliding grooves (37) are formed in the inner side wall of the fixed ring (3), guide blocks (38) distributed in a circumferential array are fixedly arranged on the outer ring of the inner gear ring (321), one end, away from the inner gear ring (321), of each guide block (38) extends into each annular sliding groove (37), and each guide block (38) can slide along each annular sliding groove (37) to rotate the corresponding inner gear ring (321).
6. The long travel gas spring stable telescoping outer steel tube of claim 4, wherein: the locking assembly (323) comprises a connecting seat (3231) fixedly connected with the top of the annular gear (321), a stud (3232) inserted into one side of the connecting seat (3231), a handle (3233) fixed at one end of the stud (3232) and a clamping plate (3234) rotatably arranged at the other end of the stud (3232);
wherein the connecting seat (3231) is The clamping plate (3234) is located on the inner side of the connecting seat (3231), the clamping plate (3234) is arc-shaped and is matched with the fixing ring (3), and the stud (3232) is in threaded connection with the connecting seat (3231).
7. The long travel gas spring stable telescoping outer steel tube of claim 6, wherein: the top of connecting seat (3231) has seted up spacing groove (3235), the slip of spacing groove (3235) is provided with spacing piece (3236), spacing piece (3236) fixed connection is in the top of splint (3234).
8. The long travel gas spring stable telescoping outer steel tube of claim 1, wherein: the screw rod (31) is a hollow member, the bottom end of the stop rod (41) can be inserted into the screw rod (31), the sum of the length of the screw rod (31) and the sum of the thickness of the mounting seat (2) is the same as the length of the outer steel pipe (11), the upper end face of the screw rod (31) is level with the upper end face of the outer steel pipe (11), and the length of the stop rod (41) is greater than that of the screw rod (31).
CN202323170153.4U 2023-11-23 2023-11-23 Outer steel pipe of long-stroke gas spring stable extension Active CN221299940U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323170153.4U CN221299940U (en) 2023-11-23 2023-11-23 Outer steel pipe of long-stroke gas spring stable extension

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323170153.4U CN221299940U (en) 2023-11-23 2023-11-23 Outer steel pipe of long-stroke gas spring stable extension

Publications (1)

Publication Number Publication Date
CN221299940U true CN221299940U (en) 2024-07-09

Family

ID=91756154

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323170153.4U Active CN221299940U (en) 2023-11-23 2023-11-23 Outer steel pipe of long-stroke gas spring stable extension

Country Status (1)

Country Link
CN (1) CN221299940U (en)

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