CN105947923A - Pressure self-adjusting ejector - Google Patents
Pressure self-adjusting ejector Download PDFInfo
- Publication number
- CN105947923A CN105947923A CN201610555899.2A CN201610555899A CN105947923A CN 105947923 A CN105947923 A CN 105947923A CN 201610555899 A CN201610555899 A CN 201610555899A CN 105947923 A CN105947923 A CN 105947923A
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- CN
- China
- Prior art keywords
- pressure self
- pressure
- fastener
- adjusting
- joint top
- 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.)
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Classifications
-
- 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 pressure self-adjusting ejector, and belongs to the technical field of fixing devices. The ejector comprises a body. A fixed pressing claw is arranged at the bottom of the body. A lead screw is connected to the upper portion of the body through a lead screw guiding sleeve. An adjusting spanner is located on the lead screw. A pressure self-adjusting device is connected with the lead screw through a chained block. The pressure self-adjusting device is connected with a movable pressing claw. The pressure self-adjusting ejector has the beneficial effects that the pressure self-adjusting device is arranged and internally provided with a nitrogen spring, during using, the nitrogen spring pushes a piston and the movable pressing claw to be ejected on the ejected surface, and the nitrogen spring provides continuous ejecting force; and after the ejected surface deforms, the movable pressing claw can still be ejected on the ejected surface, and a pressure self-adjusting function is achieved.
Description
Technical field
The present invention relates to a kind of holding device, belong to fixing device technical field.
Background technology
Holding device, is by regulating its length, and its two ends hold out against two in space, place
On relative surface, thus reach the effect holding out against and fixing.What above-mentioned holding device existed lacks
Fall into and be, held out against surface and be in for a long time and held out against state, yielding by holding out against surface, cause
Held out against surface distance and become big, hold out against and be deteriorated with fixed effect.
Summary of the invention
For solving the defect that prior art exists, it is an object of the invention to provide a kind of pressure self-adjusting
Joint top-fastener, holds out against and good fixing effect.
The technical scheme is that a kind of pressure self-adjusting joint top-fastener, including main body, main body
Bottom is provided with fixing press claw, and leading screw is connected to body top by leading screw fairlead, and regulation is pulled
Hands is positioned on leading screw, and pressure self-adjusting regulating device connects leading screw, pressure self-adjusting joint dress by chained block
Put connection activity paw.
In described main body, handle is installed.
Described movable paw upper surface is provided with anti-skidding projection.
Described fixing press claw lower surface is provided with anti-skid structure.
It is connected between described fixing press claw and main body and has reinforcement.
Described pressure self-adjusting regulating device includes nitrogen spring, and nitrogen spring connects piston, piston with
Pressure-type cavity wall slipper seal connects, the piston rod connection activity paw of piston, pressure die cavity
Interior stuffing pressure medium, pressure die cavity is by controlling device connection sealing joint.
Described pressure medium is liquid or gas.
Described control device includes opening pin, and described unlatching pins position, in central canal, opens pin one
End connects outside jackscrew, and outside jackscrew connects locking nut, opens the pin other end and connects check valve,
It is connected between check valve with end cap and has spring.
Being provided with piston packing between described piston and pressure-type cavity wall, piston rod is through for close
The piston rod packing circle of envelope and for dust-proof dust ring.
Described pin of opening enters central canal through brass ring and tetrafluoro back-up ring.
The invention has the beneficial effects as follows: this top-fastener arranges pressure self-adjusting regulating device, inside is provided with
Nitrogen spring, during use, nitrogen spring promotes piston and paw to hold out against and held out against on surface,
Nitrogen spring provides lasting pressure, and when being held out against after surface deforms upon, paw still can
It is secured in and is held out against on surface, it is achieved pressure self-adjusting joint function.
Accompanying drawing explanation
The present invention has accompanying drawing 5 width.
Fig. 1 is the structural representation 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 is for controlling structure drawing of device.
In figure, reference is as follows: 1, movable paw, 2, pressure self-adjusting regulating device, 2.1,
Nitrogen spring, 2.2, pressure die cavity, 2.3, piston, 2.31, piston packing, 2.32,
Piston rod packing circle, 2.33, dust ring, 2.41, open pin, 2.42, central canal, 2.43,
Locking nut, 2.44, check valve, 2.45, end cap, 2.46, spring, 2.47, outside top
Silk, 2.5, seal nipple, 2.6, tetrafluoro back-up ring, 2.7, brass ring, 3, chained block, 4,
Regulation spanner, 5, leading screw, 6, leading screw fairlead, 7, main body, 8, fixing press claw, 9,
Handle.
Detailed description of the invention
The present invention will be further described for 1-5 below in conjunction with the accompanying drawings:
A kind of pressure self-adjusting joint top-fastener, including main body 7, is provided with fixing pressure bottom main body 7
Pawl 8, leading screw 5 is connected to main body 7 top by leading screw fairlead 6, and regulation spanner 4 is positioned at
On leading screw 5, pressure self-adjusting regulating device 2 connects leading screw 5 by chained block 3, and pressure self-adjusting saves
Device 2 connection activity paw 1.
In described main body 7, handle 9 is installed.Handle 9 is convenient during initial adjustment to be gripped.
Described movable paw 1 upper surface is provided with anti-skidding projection.
Described fixing press claw 8 lower surface is provided with anti-skid structure.
It is connected between described fixing press claw 8 and main body 7 and has reinforcement.
Described pressure self-adjusting regulating device 2 includes nitrogen spring 2.1, and nitrogen spring 2.1 connects lives
Plug 2.3, piston 2.3 is connected with pressure die cavity 2.2 inwall slipper seal, the work of piston 2.3
Stopper rod connection activity paw 1, stuffing pressure medium in pressure die cavity 2.2, pressure die cavity 2.2
By controlling device connection sealing joint 2.5.
Described pressure medium is liquid or gas.
Described control device includes opening pin 2.41, and described unlatching pin 2.41 is positioned at central canal
In 2.42, opening pin 2.41 one end and connect outside jackscrew 2.47, outside jackscrew 2.42 connects
Locking nut 2.43, opens pin 2.41 other end and connects check valve 2.44, check valve 2.44
It is connected with between end cap 2.45 and has spring 2.46.After turning on locking nut 2.43, check valve
2.44 are opened, pressure medium one-way flow under pressure, i.e. from pressure die cavity 2.2
Middle outflow.
It is provided with piston packing 2.31, piston rod between described piston 2.3 and pressure-type cavity wall
Through the piston rod packing circle 2.32 for sealing with for dust-proof dust ring 2.33.
Described unlatching pin 2.41 enters central canal through brass ring 2.7 and tetrafluoro back-up ring 2.6
2.42。
Before using, according to being held out against surface spacing, first pass through regulation spanner 4 and carry out initial adjustment, just
After tune completes, control device is utilized to open pressure die cavity 2.2, the pressure in pressure die cavity 2.2
Medium is in discharge process, and nitrogen spring 2.1 promotes piston to move, until the work on piston rod
Dynamic pressure pawl 1 is pressed on the compacted surface of outside, it is achieved hold out against；When outside compacted table
When face deforms upon, piston 2.3 pressure at two ends of pressure-type intracavity is unbalance, nitrogen spring 2.1
May proceed to promote piston 2.3 to move, make paw compress again.Said process is automatically performed,
Without manual adjustment, compress effective.
The above is only the preferred embodiment of the present invention, it is noted that lead for this technology
For the those of ordinary skill in territory, on the premise of without departing from the technology of the present invention principle, it is also possible to
Making some improvement and modification, these improve and modification also should be regarded as protection scope of the present invention.
Claims (10)
1. a pressure self-adjusting joint top-fastener, it is characterised in that include main body (7), main body (7)
Bottom is provided with fixing press claw (8), and leading screw (5) is connected to main by leading screw fairlead (6)
Body (7) top, regulation spanner (4) is positioned on leading screw (5), pressure self-adjusting regulating device (2)
Leading screw (5), pressure self-adjusting regulating device (2) connection activity paw is connected by chained block (3)
(1)。
A kind of pressure self-adjusting joint top-fastener the most according to claim 1, it is characterised in that
Handle (9) is installed in described main body (7).
A kind of pressure self-adjusting joint top-fastener the most according to claim 1, it is characterised in that
Described movable paw (1) upper surface is provided with anti-skidding projection.
A kind of pressure self-adjusting joint top-fastener the most according to claim 1, it is characterised in that
Described fixing press claw (8) lower surface is provided with anti-skid structure.
A kind of pressure self-adjusting joint top-fastener the most according to claim 1, it is characterised in that
It is connected between described fixing press claw (8) with main body (7) and has reinforcement.
A kind of pressure self-adjusting joint top-fastener the most according to claim 1, it is characterised in that
Described pressure self-adjusting regulating device (2) includes nitrogen spring (2.1), and nitrogen spring (2.1) is even
Taking over a job plug (2.3), piston (2.3) is connected with pressure die cavity (2.2) inwall slipper seal,
Piston rod connection activity paw (1) of piston (2.3), fills pressure in pressure die cavity (2.2)
Power media, pressure die cavity (2.2) is by controlling device connection sealing joint (2.5).
A kind of pressure self-adjusting joint top-fastener the most according to claim 6, it is characterised in that
Described pressure medium is liquid or gas.
A kind of pressure self-adjusting joint top-fastener the most according to claim 6, it is characterised in that
Described control device includes opening pin (2.41), and described pin (2.41) of opening is positioned at central canal
(2.42), in, open pin (2.41) one end and connect outside jackscrew (2.47), outside jackscrew
2.42 connect locking nut (2.43), open pin (2.41) other end and connect check valve (2.44),
It is connected between check valve (2.44) with end cap (2.45) and has spring (2.46).
A kind of pressure self-adjusting joint top-fastener the most according to claim 6, it is characterised in that
Piston packing (2.31), piston rod it is provided with between described piston (2.3) and pressure-type cavity wall
Through the piston rod packing circle (2.32) for sealing with for dust-proof dust ring (2.33).
A kind of pressure self-adjusting joint top-fastener the most according to claim 8, it is characterised in that
Described pin (2.41) of opening enters center through brass ring (2.7) and tetrafluoro back-up ring (2.6)
Pipe (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 true CN105947923A (en) | 2016-09-21 |
| CN105947923B CN105947923B (en) | 2018-05-08 |
Family
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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105947923B (en) |
Citations (7)
| 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 |
| US20150210518A1 (en) * | 2014-01-27 | 2015-07-30 | Chung-Yi Yang | Anti-overpressure double-acting threaded jack |
| 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 |
-
2016
- 2016-07-14 CN CN201610555899.2A patent/CN105947923B/en active Active
Patent Citations (7)
| 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 |
| US20150210518A1 (en) * | 2014-01-27 | 2015-07-30 | Chung-Yi Yang | Anti-overpressure double-acting threaded jack |
| 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 |
|---|---|
| CN105947923B (en) | 2018-05-08 |
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