CN204900394U - Novel adjust the cylinder - Google Patents

Novel adjust the cylinder Download PDF

Info

Publication number
CN204900394U
CN204900394U CN201520438944.7U CN201520438944U CN204900394U CN 204900394 U CN204900394 U CN 204900394U CN 201520438944 U CN201520438944 U CN 201520438944U CN 204900394 U CN204900394 U CN 204900394U
Authority
CN
China
Prior art keywords
chamber
hole
boss
spool
piston
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.)
Active
Application number
CN201520438944.7U
Other languages
Chinese (zh)
Inventor
吕兴东
宋雪芹
许坚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Fns Vibration System Co Ltd
Original Assignee
Suzhou Fns Vibration System Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzhou Fns Vibration System Co Ltd filed Critical Suzhou Fns Vibration System Co Ltd
Priority to CN201520438944.7U priority Critical patent/CN204900394U/en
Application granted granted Critical
Publication of CN204900394U publication Critical patent/CN204900394U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a novel adjust the cylinder, including hollow cylinder body (2), its characterized in that, set up first boss (6) that have centre bore (4) on cylinder body (2) inner wall, first boss (6) will first cavity (8) and second cavity (10) are cut apart into to the inner chamber of cylinder body (2), and pass through centre bore (4) intercommunication, be equipped with with it sliding fit's piston (12) in first cavity (8) and fix piston rod (14) on piston (12), be equipped with case (16), exhaust hole (18) and annular retaining ring (20) in second cavity (10). The utility model discloses in hollow cylinder body (2) be equipped with two cavities, divide into the motion of cylinder between two parts and two parts relatively independently, quick exhaust can be realized to this kind of mode stroke that can shorten the cylinder, second, the lifting height that has improved the cylinder greatly with promote the frequency.

Description

A kind of novel adjusting cylinders
Technical field
The utility model relates to a kind of novel adjusting cylinders.
Background technique
Crash tests machine is for laboratory simulation product in actual use, withstand shocks the ability destroyed, the adaptability of product to shock environment is evaluated with this, then to be optimized product structure intensity by test data, the impact resistance of correct evaluation product, can improve the reliability that product uses effectively.
Crash tests machine of the prior art is all adopt the mechanical mechanisms such as cam to realize lifting usually, and this mode comparatively speaking energy is little, and the height of lifting is little, and the frequency of lifting is also less.
Certainly, in prior art, also have and adopt cylinder as elevator mechanism, but be limited to the stroke of cylinder, its effect is also not satisfactory.
Model utility content
The technical problems to be solved in the utility model is to provide one can improve cylinder stroke cylinder.
For solving the problem, the utility model provides a kind of novel adjusting cylinders, comprise hollow cylinder body, it is characterized in that, described inboard wall of cylinder block is arranged the first boss that has center hole, the lumen segmentation of described cylinder body is become the first chamber and the second chamber by described first boss, and is communicated with by described center hole, be provided with the piston be slidably matched with it and the piston rod be fixed on described piston in described first chamber, described second chamber comprises:
-spool, the outer wall of itself and described second chamber is slidably matched, described spool is connected with the power plant driving its axis along described second chamber to do straight line motion, described spool also comprises the first end being arranged on described first boss near-end, described first end is provided with the first air outlet hole, this first air outlet hole is communicated with by the first gas-entered passageway with the first inlet hole be arranged on described spool, and this first gas-entered passageway is also connected with the first air inlet system;
-exhaust port, it is through hole, and is arranged on the outer wall of described second chamber;
-annular retaining ring, is arranged on the first end of described spool, and its external diameter of described annular retaining ring is greater than the internal diameter of described center hole, and its axial dimension is greater than the ultimate range of described exhaust port to described first boss near-end.
As further improvement of the utility model, the other end of described spool is provided with the second end, described second chamber is provided with the second gas-entered passageway on the end wall that it is relative with described the second end, and described power plant comprise the second air inlet system be communicated with described second gas-entered passageway.
As further improvement of the utility model, described first gas-entered passageway comprises along described poppet shaft to the cylindrical hollow pipeline arranged, and be arranged on annular groove in described spool circumferential side wall and concentric with its axis, described annular groove is provided with the first through hole be communicated with described hollow pipe, the sidewall of described second chamber is provided with the second inlet hole, described second inlet hole is through hole and when described annular retaining ring contacts with described first boss face, described second inlet hole is communicated with described annular groove.
As further improvement of the utility model, be provided with the loop buffer circle be fitted on described first raised head face in described first chamber, described buffer ring is provided with the second through hole.
As further improvement of the utility model, the end sidewalls that described cylinder body is positioned at described first chamber side is provided with the first relief hole, described first relief hole and described first chamber.
As further improvement of the utility model, described spool is ladder shaft-like structure, its first end to the second end is provided with the first axle body, the second axle body and the three-axis body that the diameter of axle successively decreases, the inwall of described second chamber is provided with the second equal with the diameter of axle of described the second axle body and three-axis body respectively boss of its endoporus and the 3rd boss, and described the first axle body equals the ultimate range n of described annular retaining ring to described first boss to the ultimate range m of described second boss.
As further improvement of the utility model, connected by Returnning spring between the both ends of the surface that described 3rd boss is relative with described the second axle body.
As further improvement of the utility model, the sidewall of described second boss and the 3rd boss is equipped with the second relief hole into through hole.
As further improvement of the utility model, two position three way directional control valve is provided with between described second gas-entered passageway and described second air inlet system, exhaust duct and described second air inlet system turn in two chambers of described selector valve respectively, described second admission line can respectively with above-mentioned two chamber.
As further improvement of the utility model, described piston rod is shaft-like structure, it comprises axle body and is arranged on the axle journal of described axle body end, described piston is provided with the endoporus that can be less than described axle body through described axle journal and internal diameter, the free end of described axle journal is provided with outside thread, and described piston is fixed therein by a nut be threaded with it by it.
The beneficial effects of the utility model are:
(1) hollow cylinder body is provided with two chambers, the motion of cylinder is divided into two-part and relatively independent between two-part, and this mode one can shorten the stroke of cylinder, and second can realize Quick air-discharge, substantially increases the lifting height of cylinder and promotes frequency;
(2) the second air inlet system is set, by the second admission line, for the piston movement in cylinder body provides power;
(3) annular groove is set, and the first through hole be communicated with hollow pipe is provided with in the circumference of annular groove, because in the process of spool lifting, the circumferential degrees of freedom of spool is limited, and therefore it can produce certain rotation unavoidably, if be only that the mode of passing hole to hole connects with the second inlet hole, situation about cannot aim at can be there is, cause hollow pipe cannot air inlet, and adopt said structure, effectively can prevent the generation of this situation;
(4) arrange buffer ring, can reduce and impact moment, piston is to the impact force of the first boss;
(5) the first relief hole is set, keeps the first chamber to be in communication with the outside, prevent from forming pressure reduction between the two, affect the motion of piston;
(6) spool adopts multidiameter shaft structure, and one is to reduce the area that each point adds up friction, and two are convenient to arrange relief hole pressure release on its hole wall, in addition, because be provided with step surface, when the second air inlet system acting, can play good sealing;
(7) arrange Returnning spring, when being vented, the power resetting to spool one, is conducive to carrying out smoothly of exhaust;
(8) the second relief hole is set, keeps the second chamber to be in communication with the outside, prevent from forming pressure reduction between the two, affect the motion of spool;
(9) two-bit triplet selector valve is set, when needs spool moves to piston side, second air inlet system and the second gas-entered passageway are connected, second air inlet system acting, spool is withstood described first boss, when system needs pressure release, exhaust duct is communicated with the second admission line, part excessive gas in hollow cylinder body is got rid of by exhaust duct by system, contributes to high speed exhaust;
(10) adopt this structure, piston is fixed on the piston rod by the mode be threaded connection, and is connected firmly, in addition axle body and axle journal is arranged to step structure, can play good position-limiting action.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the partial enlarged drawing of A in Fig. 1;
Fig. 3 is the partial enlarged drawing of B in Fig. 1.
Wherein: 2-hollow cylinder body; 4-center hole; 6-first boss; 8-first chamber; 10-second chamber; 12-piston; 14-piston rod; 16-spool; 17-first air outlet hole; 18-exhaust port; 19-first inlet hole; 20-annular retaining ring; 21-first gas-entered passageway; 22-second gas-entered passageway; 23-hollow pipe; 24-annular groove; 26-second inlet hole; 28-buffer ring; 29-first relief hole; 30-the first axle body; 32-the second axle body; 34-three-axis body; 36-second boss; 38-the 3rd boss; 40-Returnning spring; 42-second relief hole; 44-axle body; 46-axle journal; 48-nut; M-the first axle body is to the ultimate range of the second boss; N-annular retaining ring is to the ultimate range of the first boss.
Embodiment
Below embodiment of the present utility model is described in further detail.
As Figure 1-3, the utility model comprises hollow cylinder body 2, described inboard wall of cylinder block is arranged the first boss 6 that has center hole 4, the lumen segmentation of described cylinder body is become the first chamber 8 and the second chamber 10 by described first boss 6, and be communicated with by described center hole 4, be provided with the piston 12 be slidably matched with it and the piston rod 14 be fixed on described piston 12 in described first chamber 8, described second chamber 10 comprises:
-spool 16, the outer wall of itself and described second chamber 10 is slidably matched, described spool 16 is connected with the power plant driving its axis along described second chamber 10 to do straight line motion, described spool 16 also comprises the first end being arranged on described first boss 6 near-end, described first end is provided with the first air outlet hole 17, this first air outlet hole 17 is communicated with by the first gas-entered passageway 21 with the first inlet hole 19 be arranged on described spool 16, and this first gas-entered passageway 21 is also connected with the first air inlet system;
-exhaust port 18, it is through hole, and is arranged on the outer wall of described second chamber 10;
-annular retaining ring 20, be arranged on the first end of described spool 16, described its external diameter of annular retaining ring 20 is greater than the internal diameter of described center hole 4, and its axial dimension is greater than the ultimate range of described exhaust port 18 to described first boss 6 near-end.
Hollow cylinder body 2 is provided with two chambers, the motion of cylinder is divided into two-part and relatively independent between two-part, and this mode one can shorten the stroke of cylinder, and second can realize Quick air-discharge, substantially increases the lifting height of cylinder and promotes frequency;
As further improvement of the utility model, the other end of described spool 16 is provided with the second end, described second chamber 10 is provided with the second gas-entered passageway 22 on the end wall that it is relative with described the second end, and described power plant comprise the second air inlet system be communicated with described second gas-entered passageway 22.
Second air inlet system is set, by the second admission line, for piston 12 motion in cylinder body provides power.
As further improvement of the utility model, described first gas-entered passageway 21 comprises the cylindrical hollow pipeline 23 axially arranged along described spool 16, and be arranged on annular groove 24 in described spool 16 circumferential side wall and concentric with its axis, described annular groove 24 is provided with the first through hole be communicated with described hollow pipe 23, the sidewall of described second chamber 10 is provided with the second inlet hole 26, described second inlet hole 26 is through hole and when described annular retaining ring 20 contacts with described first boss 6, described second inlet hole 26 is communicated with described annular groove 24.
Annular groove 24 is set, and the first through hole be communicated with hollow pipe 23 is provided with in the circumference of annular groove 24, because in the process that spool 16 is elevated, the circumferential degrees of freedom of spool 16 is limited, and therefore it can produce certain rotation unavoidably, if be only that the mode of passing hole to hole connects with the second inlet hole 26, situation about cannot aim at can be there is, cause hollow pipe 23 cannot air inlet, and adopt said structure, effectively can prevent the generation of this situation.
As further improvement of the utility model, be provided with the loop buffer circle 28 be fitted on described first boss 6 end face in described first chamber 8, described buffer ring 28 is provided with the second through hole.
Arrange buffer ring 28, can reduce and impact moment, piston 12 is to the impact force of the first boss 6.
As further improvement of the utility model, the end sidewalls that described cylinder body is positioned at described first chamber 8 side is provided with the first relief hole 29, and described first relief hole 29 is communicated with described first chamber 8.
First relief hole 29 is set, keeps the first chamber 8 to be in communication with the outside, prevent from forming pressure reduction between the two, affect the motion of piston 12.
As further improvement of the utility model, described spool 16 is ladder shaft-like structure, its first end to the second end is provided with the first axle body 30, the second axle body 32 and the three-axis body 34 that the diameter of axle successively decreases, the inwall of described second chamber 10 is provided with the second equal with the diameter of axle of described the second axle body 32 and three-axis body 34 respectively boss 36 of its endoporus and the 3rd boss 38, and described the first axle body 30 equals the ultimate range n of described annular retaining ring 20 to described first boss 6 to the ultimate range m of described second boss 36.
Spool 16 adopts multidiameter shaft structure, and one is to reduce the area that each point adds up friction, and two are convenient to arrange relief hole pressure release on its hole wall, in addition, because be provided with step surface, when the second air inlet system acting, can play good sealing.
As further improvement of the utility model, connected by Returnning spring 40 between the both ends of the surface that described 3rd boss 38 is relative with described the second axle body 32.
Arrange Returnning spring 40, when being vented, the power resetting to spool 16 1, is conducive to carrying out smoothly of exhaust.
As further improvement of the utility model, the sidewall of described second boss 36 and the 3rd boss 38 is equipped with the second relief hole 42 into through hole.
Second relief hole 42 is set, keeps the second chamber 10 to be in communication with the outside, prevent from forming pressure reduction between the two, affect the motion of spool 16.
As further improvement of the utility model, two position three way directional control valve is provided with between described second gas-entered passageway 22 and described second air inlet system, exhaust duct and described second air inlet system turn in two chambers of described selector valve respectively, described second admission line can respectively with above-mentioned two chamber.
Two-bit triplet selector valve is set, when needs spool 16 is to piston 12 lateral movement, second air inlet system and the second gas-entered passageway 22 are connected, second air inlet system acting, spool 16 is withstood described first boss 6, when system needs pressure release, exhaust duct is communicated with the second admission line, part excessive gas in hollow cylinder body 2 is got rid of by exhaust duct by system, contributes to high speed exhaust.
As further improvement of the utility model, described piston rod 14 is shaft-like structure, it comprises axle body 44 and is arranged on the axle journal 46 of described axle body 44 end, described piston 12 is provided with the endoporus that can be less than described axle body 44 through described axle journal 46 and internal diameter, the free end of described axle journal 46 is provided with outside thread, and described piston 12 is fixed therein by a nut be threaded with it 48 by it.
Adopt this structure, piston 12 is fixed on piston rod 14 by the mode be threaded connection, and is connected firmly, and in addition axle body 44 and axle journal 46 is arranged to step structure, can plays good position-limiting action.
The concrete principle that the utility model uses is as follows:
One, during air inlet.
(1) two position three way directional control valve is regulated, second air inlet system is communicated with the second admission line, second air inlet system acting, by air pressure, spool 16 is pushed up to piston 12 side, be resisted against on the end face of the first boss 6 to annular retaining ring 20, after this, the second air inlet system pressurize or lasting voltage supply, and remain in a rational scope;
(2) now, second through hole is communicated with annular groove 24 and hollow pipe 23, first air inlet system acting, gas enters in the second chamber 10 by the hole of above-mentioned connection, groove and passage, this air pressure is less than the pressure that the second air inlet system provides, therefore will promote piston 12 to do work, piston 12 drives piston rod 14 to move upward, and completes the action of rising.
Two, during exhaust.
(1) first air inlet system stops doing power;
(2) exhaust duct is communicated with the second admission line;
(3) piston 12, piston rod 14 and the weight be arranged on piston rod 14 move downward under gravity, gas below compression piston 12, thus band movable valve plug 16 moves downward, open to exhaust port 18, the unnecessary gas of major part is discharged by exhaust port 18, another part gas is got rid of by the above-mentioned exhaust pipe be communicated with the second suction tude, realizes Quick air-discharge in proper order.
Above embodiment is only the utility model a kind of mode of execution wherein, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.

Claims (10)

1. a novel adjusting cylinders, comprise hollow cylinder body (2), it is characterized in that, described cylinder body (2) inwall is arranged the first boss (6) that has center hole (4), the lumen segmentation of described cylinder body (2) is become the first chamber (8) and the second chamber (10) by described first boss (6), and be communicated with by described center hole (4), the piston rod (14) being provided with the piston (12) be slidably matched with it in described first chamber (8) and being fixed on described piston (12), described second chamber (10) comprising:
-spool (16), the outer wall of itself and described second chamber (10) is slidably matched, described spool (16) is connected with the power plant driving its axis along described second chamber (10) to do straight line motion, described spool (16) also comprises the first end being arranged on described first boss (6) near-end, described first end is provided with the first air outlet hole (17), this first air outlet hole (17) is communicated with by the first gas-entered passageway (21) with the first inlet hole (19) be arranged on described spool (16), this first gas-entered passageway (21) is also connected with the first air inlet system,
-exhaust port (18), it is through hole, and is arranged on the outer wall of described second chamber (10);
-annular retaining ring (20), be arranged on the first end of described spool (16), described annular retaining ring (20) its external diameter is greater than the internal diameter of described center hole (4), and its axial dimension is greater than the ultimate range of described exhaust port (18) to described first boss (6) near-end.
2. a kind of novel adjusting cylinders according to claim 1, it is characterized in that, the other end of described spool (16) is provided with the second end, described second chamber (10) is provided with the second gas-entered passageway (22) on the end wall that it is relative with described the second end, and described power plant comprise the second air inlet system be communicated with described second gas-entered passageway (22).
3. the novel adjusting cylinders of one according to claim 2, it is characterized in that, described first gas-entered passageway (21) comprises the cylindrical hollow pipeline (23) axially arranged along described spool (16), and be arranged on annular groove (24) in described spool (16) circumferential side wall and concentric with its axis, described annular groove (24) is provided with the first through hole be communicated with described hollow pipe (23), the sidewall of described second chamber (10) is provided with the second inlet hole (26), described second inlet hole (26) is for through hole and when described annular retaining ring (20) contacts with described first boss (6) face, described second inlet hole (26) is communicated with described annular groove (24).
4. the novel adjusting cylinders of one according to claim 3, it is characterized in that, be provided with the loop buffer circle (28) be fitted on described first boss (6) end face in described first chamber (8), described buffer ring (28) is provided with the second through hole.
5. according to according to the novel adjusting cylinders of one according to claim 4, it is characterized in that, the end sidewalls that described cylinder body (2) is positioned at described first chamber (8) side is provided with the first relief hole (29), and described first relief hole (29) is communicated with described first chamber (8).
6. the novel adjusting cylinders of one according to claim 5, it is characterized in that, described spool (16) is ladder shaft-like structure, its first end to the second end is provided with the first axle body (30), the second axle body (32) and the three-axis body (34) that the diameter of axle successively decreases, and the inwall of described second chamber (10) is provided with its endoporus the second boss (36) equal with the diameter of axle of described the second axle body (32) and three-axis body (34) respectively and the 3rd boss (38).
7. the novel adjusting cylinders of one according to claim 6, is characterized in that, is connected between the both ends of the surface that described 3rd boss (38) is relative with described the second axle body (32) by Returnning spring (40).
8. the novel adjusting cylinders of one according to claim 7, is characterized in that, the sidewall of described second boss (36) and the 3rd boss (38) is equipped with the second relief hole (42) into through hole.
9. the novel adjusting cylinders of one according to claim 8, it is characterized in that, two position three way directional control valve is provided with between described second gas-entered passageway (22) and described second air inlet system, exhaust duct and described second air inlet system turn in two chambers of described selector valve respectively, described second admission line (22) can respectively with above-mentioned two chamber.
10. the novel adjusting cylinders of one according to claim 9, it is characterized in that, described piston rod (14) is shaft-like structure, its (14) comprise axle body (44) and are arranged on the axle journal (46) of described axle body (44) end, described piston (12) is provided with the endoporus that can be less than described axle body (44) through described axle journal (46) and internal diameter, the free end of described axle journal (46) is provided with outside thread, and described piston (12) is fixed therein by a nut be threaded with it (48) by it.
CN201520438944.7U 2015-06-25 2015-06-25 Novel adjust the cylinder Active CN204900394U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520438944.7U CN204900394U (en) 2015-06-25 2015-06-25 Novel adjust the cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520438944.7U CN204900394U (en) 2015-06-25 2015-06-25 Novel adjust the cylinder

Publications (1)

Publication Number Publication Date
CN204900394U true CN204900394U (en) 2015-12-23

Family

ID=54922575

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520438944.7U Active CN204900394U (en) 2015-06-25 2015-06-25 Novel adjust the cylinder

Country Status (1)

Country Link
CN (1) CN204900394U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104976178A (en) * 2015-06-25 2015-10-14 苏州福艾斯振动系统有限公司 Novel adjusting air cylinder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104976178A (en) * 2015-06-25 2015-10-14 苏州福艾斯振动系统有限公司 Novel adjusting air cylinder

Similar Documents

Publication Publication Date Title
CN203601261U (en) Quick release valve membrane and quick release valve
CN102720795A (en) Hydro-pneumatic spring for amphibious vehicles and hydraulic regulating device for hydro-pneumatic spring for amphibious vehicle
CN104976178A (en) Novel adjusting air cylinder
CN108547827A (en) A kind of built-in gas-liquid mixed buffering retraction type high-speed cylinder
CN105758611A (en) Impact resisting device for wind-tunnel balance
CN204900394U (en) Novel adjust the cylinder
CN102221025A (en) Air floating type friction-free cylinder
CN106369010B (en) A kind of adjustable Cushion of High-speed Pneumatic Cylinders apparatus and method
CN103629424A (en) Fast pneumatic valve
CN202971942U (en) Pneumatic control two-way valve
CN203770288U (en) Pneumatic moving barrel
CN207049114U (en) A kind of buffering hydraulic cylinder
CN2835699Y (en) Hydro-pneumatic buffer
CN106051185B (en) A kind of balanced valve built in pooling feature
CN201636118U (en) Floating self-adjustment buffering hydraulic cylinder
CN209025898U (en) A kind of gas-liquid mixed accumulator
CN211820167U (en) Hydraulic oil cylinder with combined throttling buffer device
CN111022421A (en) Double-acting buffering hydraulic cylinder with external load absorption sleeve structure
CN202031920U (en) Hydraulic oil cylinder with cushioning device
CN202971410U (en) Double-stroke cylinder
CN105781937A (en) Internal unloading structure applied to automobile air compressors
CN204529164U (en) A kind of folding-jib truck-mounted crane telescopic hydraulic cylinder shock absorber
CN210686810U (en) Bidirectional quick-discharging type air compression in-place buffering device
CN201874925U (en) Adjustable buffer structure of hydraulic cylinder
CN203756648U (en) High accuracy brake for stroke variable air cylinder

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant