阅读说明：本技术 一种方便盖板安装的空气弹簧 (Air spring convenient for cover plate installation ) 是由 余昌国 张先锋 于 2020-11-05 设计创作，主要内容包括：本发明公开了一种方便盖板安装的空气弹簧,包括空气弹簧主体、盖板主体、螺栓和支撑底板,所述空气弹簧主体的中间表面套接有中间限位环,且空气弹簧主体的顶端固定套接有固定块,所述固定块的顶面开设有定位槽,且固定块的一侧外壁开设有容纳槽,所述容纳槽的下端内壁开设有第一连接槽,且容纳槽的内部设置有活动块。该方便盖板安装的空气弹簧,通过定位块与定位槽的卡合,方便了对盖板主体进行初步的工作,同时使得第二连接槽与下端的第一连接槽相互平齐,从而有利于通过螺栓对位安装,避免了螺栓在紧固过程中发生倾斜,导致需要重新进行安装的现象,提高了整体工作的效率,降低了工作人员的劳动强度。(The invention discloses an air spring convenient for cover plate installation, which comprises an air spring main body, a cover plate main body, a bolt and a supporting bottom plate, wherein a middle limiting ring is sleeved on the middle surface of the air spring main body, a fixed block is fixedly sleeved at the top end of the air spring main body, a positioning groove is formed in the top surface of the fixed block, a containing groove is formed in the outer wall of one side of the fixed block, a first connecting groove is formed in the inner wall of the lower end of the containing groove, and a movable block is arranged in the containing groove. This air spring convenient to apron installation through the block of locating piece with the constant head tank, has made things convenient for and has carried out preliminary work to the apron main part, makes the mutual parallel and level of second spread groove and the first spread groove of lower extreme simultaneously to be favorable to through the bolt installation of counterpointing, avoided the bolt to take place to incline in fastening process, lead to the phenomenon that needs install again, improved the efficiency of whole work, reduced staff's intensity of labour.)

1. An air spring convenient for mounting of a cover plate comprises an air spring main body (1), a cover plate main body (11), a bolt (14) and a support bottom plate (22), and is characterized in that: the middle surface of the air spring main body (1) is sleeved with a middle limiting ring (2), the top end of the air spring main body (1) is fixedly sleeved with a fixed block (3), a positioning groove (4) is formed in the top surface of the fixed block (3), a holding groove (5) is formed in the outer wall of one side of the fixed block (3), a first connecting groove (6) is formed in the inner wall of the lower end of the holding groove (5), a movable block (7) is arranged inside the holding groove (5), a middle groove (8) is formed in the surface of the movable block (7), a positioning block (9) is arranged inside the positioning groove (4), a through groove (10) is formed in the surface of the positioning block (9), a cover plate main body (11) is installed on the top surface of the positioning block (9), a ventilation opening (12) is formed in the center of the cover plate main body (11), and, the inside of second spread groove (13) is provided with bolt (14), and the top of bolt (14) stretches out the outside of second spread groove (13), and the bottom of bolt (14) runs through logical groove (10) and intermediate tank (8) respectively and first spread groove (6) interconnect, spacing groove (15) have been seted up to the inside of fixed block (3), and the inner wall of spacing groove (15) installs spiral spring (16), the center department of spiral spring (16) is connected with connecting rod (17), and the surface mounting of connecting rod (17) has extrusion kicking block (18), and the one end surface welding that connecting rod (17) stretches out the outside of spacing groove (15) has handle (19), accomodate groove (20) has been seted up to the inner wall of holding tank (5), and accomodate the inside of groove (20) and be provided with roll spheroid (21) to roll spheroid (21) stretch out the one end of accomodating the outside of groove (20) and the surface interconnect of movable block (7), and a support bottom plate (22) is fixedly arranged at the lower end of the air spring main body (1).

2. The air spring facilitating cover plate installation of claim 1, wherein: the positioning groove (4) is connected with the positioning block (9) in a clamping mode, the positioning block (9) is of a regular hexagon structure in a plan view, and the positioning block (9) and the cover plate main body (11) are integrally installed.

3. The air spring facilitating cover plate installation of claim 1, wherein: the positioning grooves (4) are symmetrically distributed about the longitudinal center line of the fixing block (3), and the overlooking of the fixing block (3) is of an annular structure.

4. The air spring facilitating cover plate installation of claim 1, wherein: the inside of first spread groove (6) and second spread groove (13) is equallyd divide and is distributed and have the screw thread, and bolt (14) constitute threaded connection with fixed block (3) and apron main part (11) respectively through first spread groove (6) and second spread groove (13) to first spread groove (6) and second spread groove (13) are the setting of coaxial axis.

5. The air spring facilitating cover plate installation of claim 1, wherein: the front view of the movable block (7) is of an I-shaped structure, and the movable block (7) forms a rotating structure with the fixed block (3) and the first connecting groove (6) through the accommodating groove (5).

6. The air spring facilitating cover plate installation of claim 1, wherein: the overlook of movable block (7) is open-ended annular column structure, and the one end and the spacing groove (15) of movable block (7) opening part are block each other to the other end and the spacing groove (15) of movable block (7) opening part agree with each other.

7. The air spring facilitating cover plate installation of claim 1, wherein: the connecting rod (17) forms a rotating structure with the limiting groove (15) through a volute spiral spring (16), and one end of the connecting rod (17) is rotatably connected with the inner wall of the limiting groove (15).

8. The air spring facilitating cover plate installation of claim 1, wherein: the connecting rod (17) and the extrusion push block (18) are integrally installed, and the extrusion push block (18) is butterfly-shaped in front view.

9. The air spring facilitating cover plate installation of claim 1, wherein: the rolling ball bodies (21) are symmetrically distributed about the transverse center line of the movable block (7), the rolling ball bodies (21) are distributed on the inner wall of the accommodating groove (5) at equal intervals, and the surface of one end of each rolling ball body (21) is attached to the surface of the movable block (7).

Technical Field

The invention relates to the technical field of air springs, in particular to an air spring convenient for cover plate installation.

Background

The air spring is a spring which is filled with compressed air in a telescopic closed container and utilizes the elastic action of the air, and compared with a common spring, the air spring has the advantages of relatively slow speed, small dynamic force change and easy control, so that the product has wide application in the fields of automobiles, aviation, medical instruments, furniture and mechanical manufacturing, but the existing air spring generally has the following problems in use;

1. the cover plate is not easy to align and install, so that the bolts are easy to incline in the cover plate installation process, and the fastening effect is poor after the bolts incline, so that the installation is failed, the bolts need to be installed again, the overall working efficiency is reduced, the labor intensity of workers is increased, and the overall applicability is reduced;

2. before the apron is not installed, be unfavorable for carrying out dustproof processing to the screw hole for the inside dust that falls into of screw hole has increased the frictional force of bolt, thereby leads to the bolt in fastening process, takes place the phenomenon of twisting motionless easily, and then has slowed down the process of whole installation work.

We have therefore proposed an air spring which facilitates the installation of a cover plate in order to solve the problems set forth above.

Disclosure of Invention

The invention aims to provide an air spring convenient for cover plate installation, and aims to solve the problems that in the background technology, the cover plate is not easy to align and install, so that a bolt is easy to incline in the cover plate installation process, the fastening effect of the bolt after the bolt inclines is poor, the installation fails, the bolt needs to be installed again, the whole work efficiency is reduced, the labor intensity of workers is increased, the whole applicability is reduced, before the cover plate is not installed, the dust is not easy to prevent the threaded hole, dust is easy to fall into the threaded hole, the falling dust increases the friction force of the bolt, the bolt is easy to twist in the fastening process, and the progress of the whole installation work is slowed down.

In order to achieve the purpose, the invention provides the following technical scheme: an air spring convenient for cover plate installation comprises an air spring main body, a cover plate main body, a bolt and a supporting bottom plate, wherein a middle limiting ring is sleeved on the middle surface of the air spring main body, a fixed block is fixedly sleeved at the top end of the air spring main body, a positioning groove is formed in the top surface of the fixed block, a containing groove is formed in the outer wall of one side of the fixed block, a first connecting groove is formed in the inner wall of the lower end of the containing groove, a movable block is arranged inside the containing groove, a middle groove is formed in the surface of the movable block, a positioning block is arranged inside the positioning groove, a through groove is formed in the surface of the positioning block, the cover plate main body is installed on the top surface of the positioning block, a vent is formed in the center of the cover plate main body, a second connecting groove is formed in, and the bottom of bolt runs through logical groove and middle groove and first connecting groove interconnect respectively, the spacing groove has been seted up to the inside of fixed block, and the inner wall of spacing groove installs the volute spiral spring, volute spiral spring's center department is connected with the connecting rod, and the surface mounting of connecting rod has the extrusion ejector pad to the one end skin weld that the connecting rod stretches out the spacing groove outside has the handle, the inner wall of holding tank has been seted up and has been accomodate the groove, and the inside of accomodating the groove is provided with the roll spheroid, and the roll spheroid stretches out and accomodates the surface interconnect of the outside one end in groove and movable block, the lower extreme fixed mounting of air spring main part has the supporting baseplate.

Preferably, the positioning groove is connected with the positioning block in a clamping manner, the positioning block is of a regular hexagon structure when viewed from above, and the positioning block and the cover plate main body are integrally installed.

Preferably, the positioning grooves are symmetrically distributed about a longitudinal center line of the fixing block, and the fixing block is of an annular structure when viewed from above.

Preferably, the first connecting groove and the second connecting groove are internally and equally distributed with threads, the bolt is in threaded connection with the fixing block and the cover plate main body through the first connecting groove and the second connecting groove respectively, and the first connecting groove and the second connecting groove are arranged coaxially.

Preferably, the front view of the movable block is an I-shaped structure, and the movable block forms a rotating structure with the fixed block and the first connecting groove respectively through the accommodating groove.

Preferably, the overlooking of the movable block is an open ring-shaped structure, one end of the opening of the movable block is clamped with the limiting groove, and the other end of the opening of the movable block is matched with the limiting groove.

Preferably, the connecting rod passes through volute spiral spring and constitutes revolution mechanic with the spacing groove, and is connected for rotating between the inner wall of one end of connecting rod and spacing groove.

Preferably, the connecting rod and the extrusion push block are integrally installed, and the front view of the extrusion push block is butterfly-shaped.

Preferably, the rolling ball bodies are symmetrically distributed about the transverse center line of the movable block, the rolling ball bodies are distributed on the inner wall of the accommodating groove at equal intervals, and one end surface of each rolling ball body is attached to the surface of the movable block.

Compared with the prior art, the invention has the beneficial effects that: the air spring facilitates the installation of the cover plate;

1. the positioning block is clamped with the positioning groove, so that preliminary work on the cover plate main body is facilitated, and meanwhile, the second connecting groove and the first connecting groove at the lower end are parallel and level to each other, so that alignment installation through bolts is facilitated, the phenomenon that the bolts need to be installed again due to inclination in the fastening process is avoided, the overall work efficiency is improved, and the labor intensity of workers is reduced;

2. through the arrangement of the movable block, the movable block can conveniently shield the first connecting groove, and the phenomenon that dust easily falls into the first connecting groove when the cover plate is not installed is prevented, so that the phenomenon that the friction force is increased when the bolt rotates to cause the phenomenon that the bolt is too hard to twist is avoided;

3. through the setting of spacing groove, made things convenient for and carried out the fixed work of block to the both ends of movable block, simultaneously through the rotation of connecting rod down, made things convenient for the extrusion ejector pad extrusion movable block both ends for the movable block separates with the spacing groove, thereby is favorable to relieving the fixed work to the movable block, and under the elastic action through volute spiral spring, has made things convenient for the automatic rotation that resets of connecting rod.

Drawings

FIG. 1 is a schematic view of the overall front cross-sectional structure of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic top view of a cross-sectional structure of the fixing block of the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 4 according to the present invention;

FIG. 5 is a schematic view of a top-down connection structure of the accommodating groove and the movable block according to the present invention;

FIG. 6 is a schematic view of the front view of the connection structure of the volute spiral spring and the connecting rod;

FIG. 7 is a schematic view of a three-dimensional connection structure of a connecting rod and an extrusion pushing block according to the present invention;

fig. 8 is a schematic view of the front view connection structure of the movable block and the rolling ball of the present invention.

In the figure: 1. an air spring main body; 2. a middle spacing ring; 3. a fixed block; 4. positioning a groove; 5. accommodating grooves; 6. a first connecting groove; 7. a movable block; 8. an intermediate tank; 9. positioning blocks; 10. a through groove; 11. a cover plate main body; 12. a vent; 13. a second connecting groove; 14. a bolt; 15. a limiting groove; 16. a volute spiral spring; 17. a connecting rod; 18. extruding the push block; 19. a handle; 20. a receiving groove; 21. rolling the ball; 22. supporting the bottom plate.

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.

Referring to fig. 1-8, the present invention provides a technical solution: an air spring convenient for mounting a cover plate comprises an air spring main body 1, a middle limiting ring 2, a fixed block 3, a positioning groove 4, a containing groove 5, a first connecting groove 6, a movable block 7, a middle groove 8, a positioning block 9, a through groove 10, a cover plate main body 11, a vent 12, a second connecting groove 13, a bolt 14, a limiting groove 15, a volute spring 16, a connecting rod 17, an extrusion push block 18, a handle 19, a containing groove 20, a rolling ball 21 and a supporting bottom plate 22, wherein the middle surface of the air spring main body 1 is sleeved with the middle limiting ring 2, the top end of the air spring main body 1 is fixedly sleeved with the fixed block 3, the positioning groove 4 is formed in the top surface of the fixed block 3, the containing groove 5 is formed in the outer wall of one side of the fixed block 3, the first connecting groove 6 is formed in the inner wall of the lower end of the containing groove 5, a positioning block 9 is arranged in the positioning groove 4, a through groove 10 is formed in the surface of the positioning block 9, a cover plate main body 11 is installed on the top surface of the positioning block 9, a vent 12 is formed in the center of the cover plate main body 11, a second connecting groove 13 is formed in the top end surface of the cover plate main body 11, a bolt 14 is arranged in the second connecting groove 13, the top end of the bolt 14 extends out of the second connecting groove 13, the bottom end of the bolt 14 penetrates through the through groove 10 and the middle groove 8 respectively to be connected with the first connecting groove 6, a limiting groove 15 is formed in the fixing block 3, a volute spring 16 is installed on the inner wall of the limiting groove 15, a connecting rod 17 is connected to the center of the volute spring 16, an extrusion push block 18 is installed on the surface of the connecting rod 17, a handle 19 is welded on the surface of one end of the connecting rod 17, a rolling ball body 21 is arranged in the accommodating groove 20, one end of the rolling ball body 21 extending out of the accommodating groove 20 is connected with the surface of the movable block 7, and a support bottom plate 22 is fixedly arranged at the lower end of the air spring main body 1;

the positioning grooves 4 are connected with the positioning blocks 9 in a clamping mode, the positioning blocks 9 are of a regular hexagon structure in a overlook mode, the positioning blocks 9 and the cover plate main body 11 are integrally installed, the positioning grooves 4 are symmetrically distributed about the longitudinal center line of the fixing block 3, the overlook mode of the fixing block 3 is of an annular structure, and therefore preliminary positioning work of the cover plate main body 11 is facilitated;

threads are distributed in the first connecting groove 6 and the second connecting groove 13, the bolt 14 is in threaded connection with the fixed block 3 and the cover plate main body 11 through the first connecting groove 6 and the second connecting groove 13 respectively, and the first connecting groove 6 and the second connecting groove 13 are arranged coaxially, so that the bolt 14 can be used for alignment installation, and the bolt 14 is prevented from being inclined in the fastening process;

the movable block 7 is in an I-shaped structure in front view, and the movable block 7 forms a rotating structure with the fixed block 3 and the first connecting groove 6 through the accommodating groove 5, so that the falling-off phenomenon of the movable block 7 is avoided, the integral reliability is improved, the first connecting groove 6 is conveniently shielded, and the phenomenon that dust easily falls into the first connecting groove 6 is avoided;

the overlooking of the movable block 7 is an open ring-shaped structure, one end of the opening of the movable block 7 is clamped with the limiting groove 15, and the other end of the opening of the movable block 7 is matched with the limiting groove 15, so that the clamping and fixing work of two ends of the movable block 7 is facilitated;

the connecting rod 17 forms a rotating structure with the limiting groove 15 through the volute spiral spring 16, and one end of the connecting rod 17 is rotatably connected with the inner wall of the limiting groove 15, so that the connecting rod 17 is driven to automatically reset and rotate under the elastic action of the volute spiral spring 16;

the connecting rod 17 and the extrusion push block 18 are integrally installed, and the front view of the extrusion push block 18 is butterfly-shaped, so that the connecting rod 17 can drive the extrusion push block 18 to rotate when rotating, and the extrusion push block 18 can be extruded and pushed conveniently;

roll spheroid 21 is about the horizontal central line symmetric distribution of movable block 7, and roll spheroid 21 is at the equidistant distribution of inner wall of holding tank 5 to the one end surface of roll spheroid 21 and the surface of movable block 7 are laminated each other, are favorable to reducing the frictional force when movable block 7 rotates, make more laborsaving when stirring movable block 7.

The working principle of the embodiment is as follows: according to the drawings shown in fig. 1 and 5-8, firstly, a worker places a support bottom plate 22 at a proper position, then fixedly sleeves a middle limiting ring 2 at the upper end of an air spring main body 1, and then stirs a movable block 7 to enable the movable block 7 to rotate inside a containing groove 5, and enable the movable block 7 to drive a middle groove 8 to rotate, so that the middle groove 8 is dislocated with a first connecting groove 6, and after the movable block 7 completely covers the first connecting groove 6, the shielding of the first connecting groove 6 is completed, dust falling inside the first connecting groove 6 is avoided, subsequent fastening work is influenced, meanwhile, when the movable block 7 slides, the movable block 7 drives a rolling ball 21 to rotate through being mutually abutted against the rolling ball 21 in the containing groove 20, so that the friction force of the movable block 7 during rotation is favorably reduced, and the movable block 7 is more labor-saving during stirring, meanwhile, when the movable block 7 rotates, one end of the movable block slides into the limiting groove 15 to be clamped and fixed, and the movable block 7 is positioned;

according to fig. 1-8, when the cover plate body 11 needs to be installed, a worker firstly inserts the positioning block 9 into the positioning groove 4, so that the positioning block 9 and the positioning groove 4 are mutually clamped to complete the primary fixation of the cover plate body 11, at this time, the second connecting groove 13 and the first connecting groove 6 are located on the same axial lead, thereby facilitating the aligned installation of the bolt 14, then the worker rotates the handle 19 to enable the handle 19 to drive the connecting rod 17 to rotate, the connecting rod 17 drives the extrusion push block 18 to rotate when rotating, when the extrusion push block 18 is contacted with the movable block 7, the continuous rotation of the extrusion push block 18 can extrude the movable block 7 to slide, thereby enabling the movable block 7 to rotate and separate from the limiting groove 15, releasing the fixation work of the movable block 7, then loosening the handle 19, and enabling the scroll spring 16 to drive the connecting rod 17 to reset and rotate through the elasticity thereof, thereby make connecting rod 17 drive extrusion ejector pad 18 and reset, stir movable block 7 after that, make the other end of movable block 7 slide in the inside of spacing groove 15 and carry out the block fixed, make simultaneously movable block 7 drive middle groove 8 and lead to groove 10 and counterpoint each other, insert bolt 14 in the second spread groove 13 after that, twist bolt 14 through outside instrument, make bolt 14 pass respectively and carry out threaded connection with first spread groove 6 behind groove 10 and the middle groove 8, thereby accomplish whole installation work to apron main part 11.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.