CN220890687U - Multistage telescopic supporting device and jack - Google Patents
Multistage telescopic supporting device and jack Download PDFInfo
- Publication number
- CN220890687U CN220890687U CN202322378332.0U CN202322378332U CN220890687U CN 220890687 U CN220890687 U CN 220890687U CN 202322378332 U CN202322378332 U CN 202322378332U CN 220890687 U CN220890687 U CN 220890687U
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- locking mechanism
- lock tongue
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- 238000003756 stirring Methods 0.000 claims description 15
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model discloses a multi-stage telescopic supporting device and a jack, and relates to the technical field of jacking equipment, wherein the multi-stage telescopic supporting device comprises a telescopic pipe and a locking mechanism, the telescopic pipe comprises a plurality of pipe units, the pipe diameters of the pipe units are gradually changed, the pipe units are sequentially sleeved inside and outside along a first direction, the pipe units can move along the first direction, and one side of part of pipe units is provided with a locking hole; the locking mechanism is configured to be in locking connection with the pipe unit of the previous stage after the pipe unit of the next stage moves along the first direction; the locking mechanism comprises a lock tongue which is hinged to the pipe wall of the pipe unit, and when the lock tongue is inserted into the locking hole, the locking mechanism is locked; when the lock tongue is separated from the locking hole, the locking mechanism is unlocked. The jack comprises a jack body and the multistage telescopic supporting device. The multistage telescopic supporting device and the jack have the technical effects of being simple in operation, capable of being quickly retracted and extended, and guaranteeing use safety.
Description
Technical Field
The utility model relates to the technical field of jacking equipment, in particular to a multistage telescopic supporting device and a jack.
Background
The jack is a small and light lifting device which uses a rigid jacking piece as a working device and jacks up a heavy object in a small stroke of a top bracket or a bottom bracket claw. In the use process of the jack, in order to prevent the sudden failure of a mechanism, a telescopic pipe device capable of being fixed in a telescopic mode is generally required to be used as a supporting safety measure.
In the prior art, the telescopic pipe device is generally formed by sequentially sleeving a plurality of pipe units with different pipe diameters inside and outside, and the adjacent pipe units are locked and fixed through bolts. The bolt lock is simple in structure for fixing the telescopic pipe, but is inconvenient to operate, and the on-site bolt screwing is time-consuming and labor-consuming, so that the telescopic pipe cannot be quickly retracted and released.
Disclosure of utility model
Therefore, the utility model aims to solve the technical problems that the telescopic pipe for supporting and protecting the jack is fixed by a bolt lock in the prior art, the operation is inconvenient, and the quick retraction and extension cannot be realized.
In order to solve the above technical problems, the present utility model provides a multi-stage telescopic supporting device, including:
The telescopic pipe comprises a plurality of pipe units, the pipe diameters of the pipe units are gradually changed, the pipe units are sequentially sleeved inside and outside along a first direction, the pipe units can move along the first direction, and a locking hole is formed in one side of part of the pipe units;
A locking mechanism configured to be locked to the pipe unit of the previous stage after the pipe unit of the next stage is moved in the first direction; the locking mechanism comprises a lock tongue, the lock tongue is hinged to the pipe wall of the pipe unit, the lock tongue can be inserted into or separated from the locking hole by rotating, and when the lock tongue is inserted into the locking hole, the locking mechanism is locked; and when the lock tongue is separated from the locking hole, the locking mechanism is unlocked.
In one embodiment of the utility model, the locking bolt includes:
The connecting part is connected with the pipe wall of the pipe unit;
The hinge part is hinged with the connecting part;
A receiving portion connected to the hinge portion, the receiving portion abutting an end portion of the pipe unit of the subsequent stage when the lock mechanism is locked;
And the inserting part is connected with the bearing part, and when the locking mechanism is locked, the inserting part is inserted into the locking hole of the pipe unit of the previous stage.
In one embodiment of the utility model, the hinge, the receiving portion and the plug-in portion are provided as a one-piece structure.
In one embodiment of the utility model, one end of the plug-in part is provided with an inclined guide surface.
In one embodiment of the present utility model, the locking mechanism further includes a lock handle, the lock handle is connected with the lock tongue, and the lock handle drives the lock tongue to rotate.
In one embodiment of the utility model, the lock handle is arranged along the first direction, and when the locking mechanism is unlocked, after the lock handle of the previous stage rotates, the end part of the locking mechanism can abut against the lock handle of the next stage and drive the lock handle of the next stage to synchronously rotate.
In one embodiment of the utility model, a handle part is arranged at one end of the lock handle away from the lock tongue, and the handle part is arranged in a hook shape.
In one embodiment of the utility model, the end of the tube unit at the innermost part of the telescopic tube is connected with a base.
In a second aspect, in order to solve the above technical problems, the present utility model provides a jack, including a jack body and the multi-stage telescopic supporting device, where the jack body is connected with the multi-stage telescopic supporting device.
In one embodiment of the utility model, the jack body comprises a fixed end and a movable end, wherein the fixed end is connected with a pipe unit at the outermost side of the telescopic pipe, the movable end is connected with a stirring piece, the stirring piece synchronously moves with the movable end, and the stirring piece drives the lock tongue to rotate when the movable end is recovered.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
The multistage telescopic supporting device comprises a telescopic pipe and a locking mechanism, wherein the telescopic pipe comprises a plurality of pipe units, the pipe diameters of the pipe units are gradually changed, the pipe units are sequentially sleeved inside and outside along a first direction, the pipe units can move along the first direction, and a locking hole is formed in one side of part of the pipe units; the locking mechanism is configured to be in locking connection with the pipe unit of the previous stage after the pipe unit of the next stage moves along the first direction; the locking mechanism comprises a lock tongue, the lock tongue is hinged to the pipe wall of the pipe unit, the lock tongue can be inserted into or separated from the locking hole by rotating, and when the lock tongue is inserted into the locking hole, the locking mechanism is locked; when the lock tongue is separated from the locking hole, the locking mechanism is unlocked. When the multistage telescopic supporting device is used, the multiple pipe units sequentially move and stretch out along the first direction, then an operator drives the lock tongue to rotate, one end of the lock tongue is embedded into the locking hole of the pipe unit, movement between adjacent pipe units is limited, and the stable supporting function is achieved. The locking mechanism of the multistage telescopic supporting device is convenient to switch in locking or unlocking states, is simple to operate and has the effect of rapid retraction.
The jack comprises a jack body and the multi-stage telescopic supporting device, and the jack body is connected with the multi-stage telescopic supporting device. The jack through setting up multistage flexible strutting arrangement, at jack body during operation, multistage flexible strutting arrangement plays in one side and supports the insurance effect, when jack body became invalid, the outside bears the object and is supported by multistage flexible strutting arrangement completely, avoids bearing the object and directly drops, causes accident loss, the jack ensured the safety in utilization, and arranged convenient and fast, improved work efficiency.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
FIG. 1 is a schematic view of a multi-stage telescopic support apparatus in accordance with a preferred embodiment of the present utility model;
FIG. 2 is a schematic view of a locking mechanism of the multi-stage telescopic support apparatus of FIG. 1;
FIG. 3 is a cross-sectional view of the multi-stage telescopic support apparatus of FIG. 1 with the locking mechanism locked;
FIG. 4 is a cross-sectional view of the locking mechanism of the multi-stage telescopic support apparatus of FIG. 1 in an unlocked state;
fig. 5 is a schematic view of the structure of the jack in the preferred embodiment of the present utility model.
Description of the specification reference numerals: 1. a telescopic tube; 11. a pipe unit; 12. a locking hole; 2. a locking mechanism; 21. a bolt; 211. a connection part; 212. a hinge part; 213. a receiving part; 214. a plug-in part; 22. a lock handle; 221. a handle part; 3. a base; 4. a jack body; 41. a fixed end; 42. a movable end; 43. a toggle member; A. a first direction.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Example 1
Referring to fig. 1 to 4, the present utility model discloses a multi-stage telescopic supporting apparatus, comprising:
the telescopic pipe 1, the telescopic pipe 1 comprises a plurality of pipe units 11, the pipe diameters of the pipe units 11 are gradually changed, the pipe units 11 are sequentially sleeved inside and outside along a first direction A, the pipe units 11 can move along the first direction A, and one side of part of the pipe units 11 is provided with a locking hole 12;
A locking mechanism 2, along a first direction a, wherein the locking mechanism 2 is configured to be locked and connected with the pipe unit 11 of the previous stage after the pipe unit 11 of the next stage moves; the locking mechanism 2 comprises a lock tongue 21, the lock tongue 21 is hinged to the pipe wall of the pipe unit 11, the lock tongue 21 can be inserted into or separated from the locking hole 12 by rotating, and when the lock tongue 21 is inserted into the locking hole 12, the locking mechanism 2 is locked; when the lock tongue 21 is disengaged from the locking hole 12, the locking mechanism 2 is unlocked.
When the multistage telescopic supporting device is used, the plurality of pipe units 11 sequentially move and stretch out along the first direction A, then an operator drives the lock tongue 21 to rotate, and one end of the lock tongue 21 is embedded into the locking hole 12 of the pipe unit 11, so that the movement between the adjacent pipe units 11 is limited, and the stable supporting function is achieved. The locking mechanism 2 of the multistage telescopic supporting device is convenient to switch in locking or unlocking state, is simple to operate and has the effect of rapid retraction.
In the present embodiment, specifically, the base 3 is connected to the end of the innermost tube unit 11 of the telescopic tube 1.
By arranging the base 3, the base 3 is directly contacted with the ground when being supported, so that the stability of the telescopic tube 1 when supporting and bearing objects is improved.
In the present embodiment, specifically, the cross section of the pipe unit 11 is one of a circular or rectangular frame.
Through setting up the cross-section of circular or rectangular frame, made things convenient for the inside and outside cup joint of many pipe units 11, rational in infrastructure, the convenience of drawing materials has reduced the manufacturing degree of difficulty.
In the present embodiment, specifically, the outermost tube unit 11 of the telescopic tube 1 is not provided with the locking hole 12, and one side of the remaining tube units 11 is provided with the locking hole 12. Preferably, the locking hole 12 is provided in plurality in the first direction a, increasing the adjustment options for different extension lengths of the telescopic tube 1.
In this embodiment, referring to fig. 1 and 2, specifically, the latch bolt 21 includes:
A connection portion 211, the connection portion 211 being connected to the pipe wall of the pipe unit 11;
A hinge portion 212, the hinge portion 212 being hinged with the connection portion 211;
A receiving portion 213, the receiving portion 213 being connected to the hinge portion 212, the receiving portion 213 being in contact with an end portion of the pipe unit 11 of the subsequent stage when the lock mechanism 2 is locked;
the insertion portion 214, the insertion portion 214 is connected to the receiving portion 213, and when the lock mechanism 2 is locked, the insertion portion 214 is inserted into the lock hole 12 of the pipe unit 11 of the preceding stage.
In this embodiment, the number of the lock bolts 21 is one less than the number of the pipe units 11, the innermost pipe units 11 of the telescopic pipe 1 are not connected with the lock bolts 21, the lock bolts 21 are provided at the bottom end of each pipe unit 11 through the connection portions 211 on the other pipe units 11, when the locking mechanism 2 is locked, the receiving portions 213 are abutted with the end portions of the pipe units 11 of the subsequent stage, the insertion portions 214 are inserted into the locking holes 12 of the pipe units 11 of the previous stage, and the lock bolts 21 realize the limit locking of the two adjacent pipe units 11. The lock tongue 21 only needs to be inserted into one locking hole 12, and relative to the arrangement of inserting the inner locking hole 12 and the outer locking hole 12, the alignment operation of the inner locking hole 12 and the outer locking hole 12 is avoided, the operation difficulty is reduced, and the efficiency is improved.
In the present embodiment, it is preferable that the hinge 212, the receiving portion 213, and the insertion portion 214 are provided as a unitary structure. The arrangement of the integral structure improves the structural strength of the lock tongue 21, ensures the effectiveness of locking and improves the reliability of the multistage telescopic supporting device.
In this embodiment, preferably, one end of the insertion portion 214 is provided with an inclined guide surface. By providing the guide surface, the insertion portion 214 is further facilitated to be inserted into the locking hole 12, and reliability and effectiveness of the locking operation are improved.
In this embodiment, referring to fig. 3 and 4, the locking mechanism 2 further includes a lock handle 22, where the lock handle 22 is connected to the lock tongue 21, and the lock handle 22 drives the lock tongue 21 to rotate.
By providing the lock handle 22, it is further convenient for an operator to control the locking or unlocking of the locking mechanism 2. An operator only needs to stir the lock handle 22 to drive the lock tongue 21 to rotate, so that the operation is labor-saving, and the operation is convenient and quick.
In this embodiment, referring to fig. 3 and 4, it is preferable that the lock lever 22 is provided in the first direction a, and when the lock mechanism 2 is unlocked, the lock lever 22 of the previous stage is rotated, and then the end portion thereof can abut against the lock lever 22 of the next stage, and the lock lever 22 of the next stage is driven to rotate synchronously.
Through setting up the lock handle 22 that the rule was arranged, multistage flexible strutting arrangement can realize the linkage unblock step by step. When unlocking, an operator only needs to directly stir the first-stage lock handle 22, the first-stage lock handle 22 rotates, and simultaneously drives the lowest-stage lock tongue 21 to open, so that the first-stage unlocking is completed; subsequently, the lock handle 22 of the first stage continues to rotate until the lock handle 22 of the next stage is abutted, and then the lock handle 22 of the next stage is continuously driven to rotate, so that secondary unlocking is realized; and so on until the locking of the multi-stage telescopic supporting device is completely opened. The linkage unlocking device greatly improves the use convenience of the multi-stage telescopic supporting device and accelerates unlocking efficiency; the arrangement of unlocking step by step improves the use safety of the multi-stage telescopic supporting device, and in the unlocking process, even if the instantaneous load is applied to the multi-stage telescopic supporting device due to faults, the pipe unit 11 which is still in the locking state plays a supporting role, so that the passive protection capability is improved.
In this embodiment, as shown in fig. 2, preferably, a handle portion 221 is disposed at an end of the lock handle 22 away from the lock tongue 21, and the handle portion 221 is disposed in a hook shape.
Through setting up handle portion 221, made things convenient for operating personnel to control lock handle 22 and rotate, further improved multistage flexible strutting arrangement's simple operation. And the convenient operating personnel of handle portion 221 directly lift and retrieve the pipe unit 11 that has been unlocked when connecing the lock, realize locking mechanism 2 and connect the synchronous operation that the lock and flexible pipe 1 retracted.
The implementation principle of the embodiment is as follows: when the multistage telescopic supporting device is used, the plurality of pipe units 11 sequentially extend along the first direction A, an operator sequentially stirs the lock handles 22 to drive the lock bolts 21 to rotate, the locking mechanism 2 is changed into a locking state from an unlocking state, one end of each lock bolt 21 is embedded into the locking hole 12 of each pipe unit 11, movement between adjacent pipe units 11 is limited, and the stable supporting function is achieved. After the use is completed, an operator reversely dials the first-stage lock handle 22, so that the step-by-step linkage unlocking of the multi-stage telescopic supporting device is realized, and meanwhile, the operator lifts the lock handle 22 up, so that the synchronous operation of unlocking and retracting of the multi-stage telescopic supporting device is realized.
Example two
Referring to fig. 5, the utility model also discloses a jack, which comprises a jack body 4 and the multi-stage telescopic supporting device, wherein the jack body 4 is connected with the multi-stage telescopic supporting device.
The jack has the advantages that the multistage telescopic supporting device is arranged, so that the multistage telescopic supporting device plays a role in supporting and protecting one side when the jack body 4 works; when jack body 4 became invalid, the outside bears the object and is supported by multistage flexible strutting arrangement completely, avoided bearing the object and directly drop, cause accident loss, the jack ensured the safety in utilization, and arranged convenient and fast, improved work efficiency.
In this embodiment, specifically, the jack body 4 includes a fixed end 41 and a movable end 42, the fixed end 41 is connected with the pipe unit 11 at the outermost side of the telescopic pipe 1, the movable end 42 is connected with a stirring member 43, the stirring member 43 moves synchronously with the movable end 42, and when the movable end 42 is recovered, the stirring member 43 drives the lock tongue 21 to rotate.
In this embodiment, specifically, when the movable end 42 is retracted, the toggle member 43 abuts against the lock handle 22, so as to drive the lock tongue 21 to rotate. Through the setting of the stirring piece 43, when the movable end 42 of the jack body 4 is recovered, the stirring piece 43 drives the lock tongue 21 to rotate, so that the synchronous unlocking of the recovery of the jack body 4 and the multistage telescopic supporting device is realized; along with the continuous recovery of jack body 4, stir piece 43 can continue to drive the locking lever 22 and promote, until multistage flexible strutting arrangement is full unblock and synchronous lifting is pulled back to the state of retracting, has realized the quick receipts of synchronous linkage of jack body 4 and multistage flexible strutting arrangement and has put down, has further improved the simple operation under the prerequisite of guaranteeing the stability of support.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (10)
1. A multi-stage telescopic support apparatus, comprising:
The telescopic pipe comprises a plurality of pipe units, the pipe diameters of the pipe units are gradually changed, the pipe units are sequentially sleeved inside and outside along a first direction, the pipe units can move along the first direction, and a locking hole is formed in one side of part of the pipe units;
A locking mechanism configured to be locked to the pipe unit of the previous stage after the pipe unit of the next stage is moved in the first direction; the locking mechanism comprises a lock tongue, the lock tongue is hinged to the pipe wall of the pipe unit, the lock tongue can be inserted into or separated from the locking hole by rotating, and when the lock tongue is inserted into the locking hole, the locking mechanism is locked; and when the lock tongue is separated from the locking hole, the locking mechanism is unlocked.
2. The multi-stage telescopic support device according to claim 1, wherein: the lock tongue includes:
The connecting part is connected with the pipe wall of the pipe unit;
The hinge part is hinged with the connecting part;
A receiving portion connected to the hinge portion, the receiving portion abutting an end portion of the pipe unit of the subsequent stage when the lock mechanism is locked;
And the inserting part is connected with the bearing part, and when the locking mechanism is locked, the inserting part is inserted into the locking hole of the pipe unit of the previous stage.
3. The multi-stage telescopic support device according to claim 2, wherein: the hinge part, the bearing part and the plug part are arranged into an integrated structure.
4. The multi-stage telescopic support device according to claim 2, wherein: one end of the plug-in connection part is provided with an inclined guide surface.
5. The multi-stage telescopic support device according to claim 1, wherein: the locking mechanism further comprises a lock handle, the lock handle is connected with the lock tongue, and the lock handle drives the lock tongue to rotate.
6. The multi-stage telescoping support apparatus of claim 5, wherein: the lock handle is arranged along the first direction, and when the locking mechanism is unlocked, after the lock handle of the previous stage rotates, the end part of the locking mechanism can be abutted against the lock handle of the next stage and drive the lock handle of the next stage to synchronously rotate.
7. The multi-stage telescoping support apparatus of claim 5, wherein: the lock is characterized in that a handle part is arranged at one end of the lock handle, which is far away from the lock tongue, and the handle part is arranged in a hook shape.
8. The multi-stage telescopic support device according to claim 1, wherein: the end part of the innermost tube unit of the telescopic tube is connected with a base.
9. A jack, characterized in that: comprising a jack body and a multi-stage telescopic support according to any one of claims 1 to 8, the jack body being connected to the multi-stage telescopic support.
10. A jack as claimed in claim 9 wherein: the jack body includes stiff end and expansion end, the stiff end with the pipe unit connection of flexible pipe outside, be connected with on the expansion end and stir the piece, stir the piece with the synchronous motion of expansion end, when the expansion end is retrieved, stir the piece drive the spring bolt rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322378332.0U CN220890687U (en) | 2023-09-01 | 2023-09-01 | Multistage telescopic supporting device and jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322378332.0U CN220890687U (en) | 2023-09-01 | 2023-09-01 | Multistage telescopic supporting device and jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220890687U true CN220890687U (en) | 2024-05-03 |
Family
ID=90877183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322378332.0U Active CN220890687U (en) | 2023-09-01 | 2023-09-01 | Multistage telescopic supporting device and jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220890687U (en) |
-
2023
- 2023-09-01 CN CN202322378332.0U patent/CN220890687U/en active Active
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