CN216200072U

CN216200072U - Locking type handle air spring

Info

Publication number: CN216200072U
Application number: CN202122707804.3U
Authority: CN
Inventors: 徐华英; 金祖明; 徐晓英
Original assignee: Hangzhou Dahong Machinery Co ltd
Current assignee: Hangzhou Dahong Machinery Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-04-05
Anticipated expiration: 2031-11-08

Abstract

A locking handle gas spring is disclosed. Including the cylinder to and the activity is established at the inside piston of cylinder, piston one side fixedly connected with handle pole, handle pole sliding connection is in sealed seat of inlaying, and sealed seat of inlaying activity inlays the open end of establishing at the cylinder, locking formula handle air spring still includes: the locking mechanism is arranged on the piston and used for locking the stroke of the piston, the locking mechanism comprises a plurality of locking grooves which are uniformly formed in the cylinder barrel, and a plurality of locking columns which are movably arranged in the side wall surface of the piston and are provided with control components and used for controlling the locking columns to be embedded into the locking grooves to lock the position of the piston. The problem of current air spring be length locking's air spring mostly, application range is less, also has the air spring that can adjust locking length, but the accommodation process is comparatively troublesome is solved.

Description

Locking type handle air spring

Technical Field

The utility model relates to the technical field of gas spring application, in particular to a locking type handle gas spring.

Background

The gas spring is an industrial accessory which can play the roles of supporting, buffering, braking, height adjustment, angle adjustment and the like, and comprises the following parts: the principle is that inert gas or oil-gas mixture is filled into the closed pressure cylinder, so that the pressure in the cavity is several times or dozens of times higher than the atmospheric pressure, and the motion of the piston rod is realized by utilizing the pressure difference generated by the fact that the cross section area of the piston rod is smaller than the cross section area of the piston.

The existing air spring is mainly an air spring with a length locking function, is small in application range, can adjust the locking length, is troublesome in adjustment process, wastes installation time, is small in installation angle range of the installation position of the air spring, cannot be suitable for different installation directions, and is poor in adaptability.

SUMMERY OF THE UTILITY MODEL

To solve the above problems in the background art, it is an object of the present invention to provide a locking type handle gas spring.

In order to achieve the purpose, the utility model provides the following technical scheme: including the cylinder to and the activity is established at the inside piston of cylinder, piston one side fixedly connected with handle pole, handle pole sliding connection is in sealed seat of inlaying, and sealed seat of inlaying activity inlays the open end of establishing at the cylinder, locking formula handle air spring still includes:

the locking mechanism is arranged on the piston and used for locking the stroke of the piston, the locking mechanism comprises a plurality of locking grooves which are uniformly formed in the cylinder barrel, and a plurality of locking columns which are movably arranged in the side wall surface of the piston and are provided with control components and used for controlling the locking columns to be embedded into the locking grooves to lock the position of the piston.

Preferably, the locking-type hand-lever gas spring further includes:

and the connecting mechanism is arranged at two ends of the cylinder barrel and the handle rod which are far away from each other and used for installing and fixing the locking type handle gas spring.

Preferably, the connecting mechanism comprises a connecting seat fixedly arranged at one end, far away from the handle rod, of the cylinder barrel, a mounting sliding ball is rotatably arranged in the connecting seat and movably connected in a second mounting seat, the connecting mechanism further comprises a first mounting seat rotatably arranged at one end, far away from the cylinder barrel, of the handle rod, and a mounting hinged support is hinged to one end, far away from the handle rod, of the first mounting seat.

Preferably, the control assembly comprises a push rod movably arranged in the handle rod and the piston, one end of the push rod close to the piston is fixedly arranged on the conical head, a retreating groove is formed in the connecting position of the conical head and the push rod, an inclined contact is arranged at the inner end of the locking column, the inclined surface of the inclined contact is in contact with the inclined surface of the conical head, the locking column is provided with a first reset module for controlling the locking column to reset and retract into the piston, and the push rod is provided with a hand push piece for manually controlling the push rod to move.

Preferably, the first reset module comprises a limiting ring fixedly arranged on the locking column and a guide groove arranged in the piston corresponding to the locking column, the limiting ring is connected in the guide groove in a sliding manner, and a second spring is arranged on one side of the limiting ring away from the center of the piston.

Preferably, the hand pushing piece comprises a snapping seat fixedly arranged at one end of the push rod far away from the piston, the snapping seat is connected to the side wall of the handle rod in a sliding mode and extends out of the handle rod, and the push rod is provided with a second resetting module used for controlling the push rod to reset so that the conical head controls the locking column to be pushed out.

Preferably, the second reset module comprises a first spring arranged on one side of the arm-break seat close to the piston.

Preferably, the side wall surface of the piston is further provided with a sealing ring for enhancing the friction force and the sealing performance of the piston movement.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, by arranging the connecting mechanism, the fixing surface of the cylinder barrel can be changed according to the requirement by utilizing the mobility of the mounting sliding ball and the rotation of the connecting seat, and the fixing surface of the handle rod can be changed according to the requirement by utilizing the rotation of the first mounting seat and the mounting hinged support, so that the connecting mode of the gas spring is greatly increased, and the use is more convenient.

2. According to the utility model, by arranging the locking mechanism, the multistage change of the piston stroke can be realized by locking and controlling the locking column, and the service length range of the gas spring is increased.

3. According to the utility model, the control assembly is arranged, the locking column is pushed and controlled by utilizing the contact of the conical head and the inclined contact, the effect of automatic return and retraction of the locking column is achieved by changing the position of the conical head through the hand-push piece, and the locking position of the piston can be manually adjusted according to the requirement.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of A in FIG. 1;

fig. 3 is a schematic view of a connection structure of the push rod in the present invention.

In the figure: 1. a cylinder barrel; 2. sealing the embedding seat; 3. a push rod; 4. breaking off the base; 5. a first mounting seat; 6. mounting a hinged support; 7. a first spring; 8. a locking groove; 9. installing a sliding ball; 10. a second mounting seat; 11. a connecting seat; 12. a piston; 13. a seal ring; 14. a locking post; 15. a second spring; 16. a limiting ring; 17. a guide groove; 18. a diagonal contact; 19. a conical head; 20. a groove withdrawing 21 and a handle rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 3, the locking type handle gas spring comprises a cylinder barrel 1 and a piston 12 movably arranged inside the cylinder barrel 1, wherein a handle rod 21 is fixedly connected to one side of the piston 12, the handle rod 21 is slidably connected in a sealing embedding seat 2, the sealing embedding seat 2 is movably embedded at the opening end of the cylinder barrel 1, and the locking type handle gas spring further comprises:

locking mechanical system establishes on piston 12 for the stroke to piston 12 locks, locking mechanical system is including evenly seting up a plurality of locking grooves 8 in 1 inside of cylinder, still establishes a plurality of locking posts 14 in 12 lateral wall faces of piston including the activity, locking post 14 is equipped with control assembly for control locking post 14 is embedded into and is locked piston 12 position in locking groove 8.

As a technical optimization scheme of the utility model, by arranging the locking mechanism, the stroke of the piston 12 can be changed in multiple stages by locking and controlling the locking column 14, and the service length range of the gas spring is increased.

Referring to fig. 1, the locking-type hand-lever gas spring further includes:

and the connecting mechanism is arranged at two ends, far away from each other, of the cylinder barrel 1 and the handle rod 21 and is used for installing and fixing the locking type handle gas spring.

Referring to fig. 1, the connecting mechanism includes a connecting seat 11 fixedly arranged at one end of the cylinder barrel 1 far away from the handle rod 21, an installation sliding ball 9 is rotatably arranged in the connecting seat 11, the installation sliding ball 9 is movably connected in a second installation seat 10, the connecting mechanism further includes a first installation seat 5 rotatably arranged at one end of the handle rod 21 far away from the cylinder barrel 1, and one end of the first installation seat 5 far away from the handle rod 21 is hinged with an installation hinged support 6.

As a technical optimization scheme of the utility model, by arranging the connecting mechanism, the fixing surface of the cylinder barrel 1 can be changed as required by utilizing the mobility of the mounting sliding ball 9 and the rotation of the connecting seat 11, and the fixing surface of the handle rod 21 can be changed as required by utilizing the rotation of the first mounting seat 5 and the mounting hinged support 6, so that the connecting mode of the air spring is greatly increased, and the use is more convenient.

Referring to fig. 1-3, the control assembly includes that the activity is established at the push rod 3 inside handle 21 and piston 12, and the one end that push rod 3 is close to piston 12 is fixed to be established at awl head 19, and awl head 19 and push rod 3 hookup location set up back groove 20, the lock post 14 inner is equipped with oblique contact 18, and the inclined plane and the awl head 19 inclined plane of oblique contact 18 contact, and lock post 14 is equipped with first module that resets for control lock post 14 resets and retracts to in piston 12, push rod 3 is equipped with the hand push spare, is used for the activity of manual control push rod 3.

Referring to fig. 2, the first reset module includes a limiting ring 16 fixedly disposed on the locking post 14, and a guide groove 17 corresponding to the locking post 14 and formed inside the piston 12, the limiting ring 16 is slidably connected in the guide groove 17, and a second spring 15 is disposed on a side of the limiting ring 16 away from the center of the piston 12.

Referring to fig. 1 and 3, the hand push member includes an arm-wrestling base 4 fixedly disposed at an end of the push rod 3 far from the piston 12, the arm-wrestling base 4 is slidably connected to a sidewall of the handle 21 and extends to an outside of the handle 21, and the push rod 3 is provided with a second reset module for controlling the push rod 3 to reset so that the conical head 19 controls the locking column 14 to be pushed out.

Referring to fig. 1 and 3, the second reset module includes a first spring 7 provided at a side of the arm-break base 4 adjacent to the piston 12.

As a technical optimization scheme of the utility model, the control component is arranged, the locking column 14 is pushed and controlled by the contact of the conical head 19 and the inclined contact 18, the position of the conical head 19 is changed by the hand push piece to achieve the effect of automatic return and retraction of the locking column 14, and the locking position of the piston 12 can be manually adjusted according to requirements.

Referring to fig. 2, a sealing ring 13 is further provided on the side wall surface of the piston 12 to enhance the friction and sealing performance of the piston 12.

The working principle and the using process of the utility model are as follows: when the gas spring is used, one end of the gas spring is firstly installed, the second installation seat 10 is directly installed at a use position, then the installation angle can be changed at will through the rotation of the gas spring provided with the sliding ball 9, after the installation angle is adjusted to a proper installation angle, the extension length of the handle rod 21 is adjusted according to the use length, the hand-operated pushing of the snapping seat 4 enables the push rod 3 to move inwards to enable the conical head 19 to be far away from the oblique contact 18 during adjustment, the locking column 14 on the oblique contact 18 automatically retreats into the retreating groove 20 under the action of the second spring 15 in the first resetting module, then the position of the piston 12 can be adjusted through pushing the handle rod 21, after the gas spring is moved to a proper locking groove 8 position, the snapping seat 4 is loosened, the snapping seat 4 automatically returns to retreat from the push rod 3 under the action of the first spring 7 in the second resetting module, the conical head 19 of the push rod 3 contacts the oblique contact 18 to control the locking column 14 to be pushed out into the locking groove 8 to lock the position of the piston 12, and then the end part of the handle rod 21 is fixedly installed through the installation hinge seat 6, thereby completing the using process of the air spring.

The locking type handle gas spring designed by the utility model can be used for adaptively adjusting the gas spring according to the field installation and use length range, is firm in locking and convenient and quick to adjust, can be used for automatically adjusting the installation surface directions of two ends according to the distribution of actual installation positions, is time-saving and labor-saving in use, and has a value in the technical field of gas spring application.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a locking formula handle air spring, includes cylinder (1) to and the activity is established at inside piston (12) of cylinder (1), piston (12) one side fixedly connected with handle pole (21), handle pole (21) sliding connection is in sealed seat (2) of inlaying, and sealed seat (2) activity is inlayed and is established the open end at cylinder (1), its characterized in that: the locking type handle gas spring further comprises:

locking mechanical system establishes on piston (12) for the stroke to piston (12) locks, locking mechanical system is including evenly offering a plurality of locking grooves (8) in cylinder (1) inside, still establishes a plurality of locking posts (14) in piston (12) lateral wall face including the activity, locking post (14) are equipped with control assembly for control locking post (14) are embedded into and are locked piston (12) position in locking groove (8).

2. A locking-type hand-lever gas spring as set forth in claim 1, wherein: the locking type handle gas spring further comprises:

and the connecting mechanism is arranged at two ends of the cylinder barrel (1) and the handle rod (21) which are far away from each other and used for installing and fixing the locking type handle gas spring.

3. A locking-type hand-lever gas spring as set forth in claim 2, wherein: the connecting mechanism comprises a connecting seat (11) fixedly arranged at one end, far away from the handle rod (21), of the cylinder barrel (1), an installation sliding ball (9) is arranged in the connecting seat (11) in a rotating mode, the installation sliding ball (9) is movably connected into a second mounting seat (10), the connecting mechanism further comprises a first mounting seat (5) rotatably arranged at one end, far away from the cylinder barrel (1), of the handle rod (21), and a mounting hinged support (6) is hinged to one end, far away from the handle rod (21), of the first mounting seat (5).

4. A locking-type hand-lever gas spring as set forth in claim 1, wherein: control assembly establishes push rod (3) inside handle pole (21) and piston (12) including the activity, and the one end that push rod (3) are close to piston (12) is fixed to be established at conical head (19), and conical head (19) and push rod (3) hookup location set up and move back groove (20), lock post (14) inner is equipped with oblique contact (18), the inclined plane and conical head (19) inclined plane contact of oblique contact (18), and lock post (14) are equipped with first module that resets for control lock post (14) reset and retract to piston (12) in, push rod (3) are equipped with hand push spare for manual control push rod (3) activity.

5. A locking-type hand-lever gas spring as set forth in claim 4, wherein: first module that resets includes spacing ring (16) of fixed establishment on locking post (14) to and set up guide way (17) in piston (12) inside corresponding locking post (14), spacing ring (16) sliding connection sets up second spring (15) in guide way (17), and one side that piston (12) center was kept away from in spacing ring (16).

6. A locking-type hand-lever gas spring as set forth in claim 4, wherein: the hand push piece breaks seat (4) with the fingers and thumb including fixed establishing in push rod (3) keeping away from piston (12) one end, breaks seat (4) with the fingers and thumb sliding connection and just extends out to handle pole (21) outside on the lateral wall of handle pole (21), push rod (3) are equipped with the second and reset the module for control push rod (3) reset and make awl head (19) control locking post (14) release.

7. A locking-type hand-lever gas spring as set forth in claim 6, wherein: the second reset module comprises a first spring (7) arranged on one side of the breaking-off seat (4) close to the piston (12).

8. A locking-type hand-lever gas spring as set forth in claim 1 or 2, wherein: and a sealing ring (13) is further arranged on the side wall surface of the piston (12) and used for enhancing the friction force and the sealing property of the movement of the piston (12).