CN105947923B - A kind of pressure self-adjusting section top-fastener - Google Patents
A kind of pressure self-adjusting section top-fastener Download PDFInfo
- Publication number
- CN105947923B CN105947923B CN201610555899.2A CN201610555899A CN105947923B CN 105947923 B CN105947923 B CN 105947923B CN 201610555899 A CN201610555899 A CN 201610555899A CN 105947923 B CN105947923 B CN 105947923B
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- Prior art keywords
- pressure
- pressure self
- adjusting section
- claw
- section top
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/25—Constructional features
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a kind of pressure self-adjusting section top-fastener, belong to fixing device technical field；The top-fastener includes main body, and bottom part body is provided with fixing press claw, and leading screw is connected to body top by leading screw guide sleeve, adjusts spanner and is located on leading screw, pressure self-adjusting regulating device connects leading screw, pressure self-adjusting regulating device connection activity claw by chained block.The beneficial effects of the invention are as follows：Pressure self-adjusting regulating device is set, it is internally provided with nitrogen gas spring, during use, nitrogen gas spring promotes piston and claw to hold out against and held out against on surface, nitrogen gas spring provides lasting pressure, after being held out against surface and deforming upon, claw can still be secured in and be held out against on surface, realize pressure self-adjusting section function.
Description
Technical field
The present invention relates to a kind of holding device, belongs to fixing device technical field.
Background technology
Holding device, is by adjusting its length, its both ends is held out against on two opposite surfaces in place space, from
And have the function that to hold out against and fix.Above-mentioned holding device has a defect that, is held out against surface for a long time in being held out against shape
State, it is yielding to be held out against surface, causes to be held out against surface distance and becomes larger, and holds out against and fixed effect is deteriorated.
The content of the invention
To solve defect existing in the prior art, the object of the present invention is to provide a kind of pressure self-adjusting section top-fastener, hold out against
And good fixing effect.
The technical scheme is that：A kind of pressure self-adjusting section top-fastener, including main body, bottom part body are provided with fixed pressure
Pawl, leading screw are connected to body top by leading screw guide sleeve, adjust spanner and are located on leading screw, pressure self-adjusting regulating device passes through link
Block connects leading screw, pressure self-adjusting regulating device connection activity claw.
Handle is installed in the main body.
The activity claw upper surface is equipped with anti-skid bulge.
The fixing press claw lower surface is equipped with anti-skid structure.
Reinforcing rib is connected between the fixing press claw and main body.
The pressure self-adjusting regulating device includes nitrogen gas spring, nitrogen gas spring connection piston, and piston is slided with pressure-type cavity wall
Dynamic sealing connects, the piston rod connection activity claw of piston, pressure-type intracavitary stuffing pressure medium, and pressure cavity is filled by controlling
Put connection sealing joint.
The pressure medium is liquid or gas.
The control device includes unlatching and sells, and for the unlatching pins position in central tube, unlatching pin one end connects exterior jackscrew,
Exterior jackscrew connects locking nut, opens pin other end connection check valve, spring is connected between check valve and end cap.
Piston packing is equipped between the piston and pressure cavity wall, piston rod passes through the piston rod packing for sealing
Enclose and for dust-proof dustband.
The pin of opening enters central tube through brass ring and tetrafluoro baffle ring.
The beneficial effects of the invention are as follows：This top-fastener sets pressure self-adjusting regulating device, is internally provided with nitrogen gas spring, uses
When, nitrogen gas spring promotes piston and claw to hold out against and held out against on surface, and nitrogen gas spring provides lasting pressure, when being held out against
After surface deforms upon, claw can still be secured in and be held out against on surface, realize pressure self-adjusting section function.
Brief description of the drawings
The present invention 5 width of shared attached drawing.
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is pressure self-adjusting regulating device outside drawing；
Fig. 3 is pressure self-adjusting regulating device original state figure；
Fig. 4 is pressure self-adjusting regulating device working state figure；
Fig. 5 structure drawing of device in order to control.
Reference numeral is as follows in figure：1st, movable claw, 2, pressure self-adjusting regulating device, 2.1, nitrogen gas spring, 2.2, pressure-type
Chamber, 2.3, piston, 2.31, piston packing, 2.32, piston rod seals, 2.33, dustband, 2.41, open pin, 2.42, in
Heart pipe, 2.43, locking nut, 2.44, check valve, 2.45, end cap, 2.46, spring, 2.47, exterior jackscrew, 2.5, sealing connects
Head, 2.6, tetrafluoro baffle ring, 2.7, brass ring, 3, chained block, 4, adjust spanner, 5, leading screw, 6, leading screw guide sleeve, 7, main body, 8,
Fixing press claw, 9, handle.
Embodiment
The present invention will be further described by 1-5 below in conjunction with the accompanying drawings：
A kind of pressure self-adjusting section top-fastener, including main body 7,7 bottom of main body are provided with fixing press claw 8, and leading screw 5 passes through leading screw
Guide sleeve 6 is connected to 7 top of main body, adjusts spanner 4 and is located on leading screw 5, pressure self-adjusting regulating device 2 passes through 3 connecting filament of chained block
Thick stick 5,2 connection activity claw 1 of pressure self-adjusting regulating device.
Handle 9 is installed in the main body 7.Handle 9 is used for convenient gripping during initial adjustment.
1 upper surface of the activity claw is equipped with anti-skid bulge.
8 lower surface of fixing press claw is equipped with anti-skid structure.
Reinforcing rib is connected between the fixing press claw 8 and main body 7.
The pressure self-adjusting regulating device 2 includes nitrogen gas spring 2.1, and nitrogen gas spring 2.1 connects piston 2.3, piston 2.3 and pressure
2.2 inner wall of power cavity is slidably and sealingly connected with, the piston rod connection activity claw 1 of piston 2.3, stuffing pressure in pressure cavity 2.2
Medium, pressure cavity 2.2 pass through control device connection sealing joint 2.5.
The pressure medium is liquid or gas.
The control device includes opening pin 2.41, and the unlatching pin 2.41 is located in central tube 2.42, opens pin 2.41
The exterior jackscrew 2.47 of one end connection, exterior jackscrew 2.42 connect locking nut 2.43, open 2.41 other end of pin connection check valve
2.44, spring 2.46 is connected between check valve 2.44 and end cap 2.45.After turning on locking nut 2.43, check valve 2.44 is beaten
Open, pressure medium one-way flow under pressure, i.e. flowed out from pressure cavity 2.2.
Piston packing 2.31 is equipped between the piston 2.3 and pressure cavity wall, piston rod passes through the work for sealing
Rod seal circle 2.32 and for dust-proof dustband 2.33.
The unlatching pin 2.41 enters central tube 2.42 through brass ring 2.7 and tetrafluoro baffle ring 2.6.
Before use, according to surface spacing is held out against, first pass through and adjust the progress initial adjustment of spanner 4, after the completion of initial adjustment, utilize control
Device opens pressure cavity 2.2, and for the pressure medium in pressure cavity 2.2 in discharge process, nitrogen gas spring 2.1 promotes piston to move
Dynamic, until the movable claw 1 on piston rod is pressed on being compacted on surface of outside, realization is held out against；When exterior is compacted table
When face deforms upon, 2.3 pressure at two ends of piston of pressure-type intracavitary is unbalance, and nitrogen gas spring 2.1 may proceed to promote piston 2.3 to move
It is dynamic, compress claw again.The above process is automatically performed, and without manual adjustment, it is good to compress effect.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and modification, these improvements and modifications can also be made
Also it should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of pressure self-adjusting section top-fastener, it is characterised in that including main body (7), main body (7) bottom is provided with fixing press claw
(8), leading screw (5) is connected to main body (7) top by leading screw guide sleeve (6), adjusts spanner (4) and is located on leading screw (5), and pressure is certainly
Regulating device (2) connects leading screw (5), pressure self-adjusting regulating device (2) connection activity claw (1) by chained block (3)；
The pressure self-adjusting regulating device (2) includes nitrogen gas spring (2.1), nitrogen gas spring (2.1) connection piston (2.3), piston
(2.3) it is slidably and sealingly connected with pressure cavity (2.2) inner wall, the piston rod connection activity claw (1) of piston (2.3), pressure-type
The interior stuffing pressure medium of chamber (2.2), pressure cavity (2.2) pass through control device connection sealing joint (2.5)；
The control device includes opening pin (2.41), and the pin (2.41) of opening is located in central tube (2.42), opens pin
(2.41) the exterior jackscrew (2.47) of one end connection, exterior jackscrew 2.42 connect locking nut (2.43), and it is another to open pin (2.41)
End connection check valve (2.44), is connected with spring (2.46) between check valve (2.44) and end cap (2.45).
2. a kind of pressure self-adjusting section top-fastener according to claim 1, it is characterised in that be provided with the main body (7)
Handle (9).
A kind of 3. pressure self-adjusting section top-fastener according to claim 1, it is characterised in that described activity claw (1) upper table
Face is equipped with anti-skid bulge.
A kind of 4. pressure self-adjusting section top-fastener according to claim 1, it is characterised in that fixing press claw (8) following table
Face is equipped with anti-skid structure.
5. a kind of pressure self-adjusting section top-fastener according to claim 1, it is characterised in that the fixing press claw (8) and master
Body is connected with reinforcing rib between (7).
A kind of 6. pressure self-adjusting section top-fastener according to claim 1, it is characterised in that the pressure medium for liquid or
Gas.
7. a kind of pressure self-adjusting section top-fastener according to claim 1, it is characterised in that the piston (2.3) and pressure
Piston packing (2.31) is equipped between cavity wall, piston rod passes through for the piston rod seals (2.32) of sealing and for preventing
The dustband (2.33) of dirt.
8. a kind of pressure self-adjusting section top-fastener according to claim 1, it is characterised in that the pin (2.41) of opening passes through
Brass ring (2.7) and tetrafluoro baffle ring (2.6) enter central tube (2.42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610555899.2A CN105947923B (en) | 2016-07-14 | 2016-07-14 | A kind of pressure self-adjusting section top-fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610555899.2A CN105947923B (en) | 2016-07-14 | 2016-07-14 | A kind of pressure self-adjusting section top-fastener |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105947923A CN105947923A (en) | 2016-09-21 |
| CN105947923B true CN105947923B (en) | 2018-05-08 |
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ID=56900059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610555899.2A Active CN105947923B (en) | 2016-07-14 | 2016-07-14 | A kind of pressure self-adjusting section top-fastener |
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| Country | Link |
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| CN (1) | CN105947923B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2335944Y (en) * | 1998-06-02 | 1999-09-01 | 刘国东 | Lifting adjuster |
| CN202674758U (en) * | 2012-07-05 | 2013-01-16 | 杨传波 | Floor pneumatic spring television frame |
| CN203463540U (en) * | 2013-09-12 | 2014-03-05 | 深圳市铭昊五金模具有限公司 | Guiding seat containing overtravel-preventive nitrogen spring with active safety function |
| CN203780752U (en) * | 2014-02-25 | 2014-08-20 | 旭卡机电（启东）有限公司 | Lifting column and base connected external member |
| CN205278208U (en) * | 2016-01-13 | 2016-06-01 | 江苏耐玛鑫精密机械有限公司 | Nitrogen spring with aerify side |
| CN105697632A (en) * | 2016-04-13 | 2016-06-22 | 常州气弹簧有限公司 | Stroke-adjustable air spring |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150210518A1 (en) * | 2014-01-27 | 2015-07-30 | Chung-Yi Yang | Anti-overpressure double-acting threaded jack |
-
2016
- 2016-07-14 CN CN201610555899.2A patent/CN105947923B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2335944Y (en) * | 1998-06-02 | 1999-09-01 | 刘国东 | Lifting adjuster |
| CN202674758U (en) * | 2012-07-05 | 2013-01-16 | 杨传波 | Floor pneumatic spring television frame |
| CN203463540U (en) * | 2013-09-12 | 2014-03-05 | 深圳市铭昊五金模具有限公司 | Guiding seat containing overtravel-preventive nitrogen spring with active safety function |
| CN203780752U (en) * | 2014-02-25 | 2014-08-20 | 旭卡机电（启东）有限公司 | Lifting column and base connected external member |
| CN205278208U (en) * | 2016-01-13 | 2016-06-01 | 江苏耐玛鑫精密机械有限公司 | Nitrogen spring with aerify side |
| CN105697632A (en) * | 2016-04-13 | 2016-06-22 | 常州气弹簧有限公司 | Stroke-adjustable air spring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105947923A (en) | 2016-09-21 |
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