CN214304983U

CN214304983U - Combined spring

Info

Publication number: CN214304983U
Application number: CN202120667329.9U
Authority: CN
Inventors: 张辉
Original assignee: Shanghai Taitong Spring Co ltd
Current assignee: Shanghai Taitong Spring Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-09-28
Anticipated expiration: 2031-03-31

Abstract

The application relates to the technical field of springs, in particular to a combined spring which comprises a stretching group and a compressing group, wherein the compressing group is connected with the stretching group in a sliding manner; tensile group includes fixing base, fixed connection guide rail on the fixing base, sliding connection sliding seat on the guide rail and fixes the extension spring between fixing base and sliding seat, and extension spring's both ends are fixed respectively on the side of fixing base and sliding seat through the stationary blade. During the installation of this application device, the one end of tensile group is stretched by the one end of fixed compression group, when this application device atress is stretched, the tensile group of this application device is stretched, compression group is compressed, the elongation of this application device equals the sum of the length of being stretched length and compression group compressed of tensile group, this application has the length of this application device the same with the length of tensile group, the extension of compression group increase this application device, the compression group can not increase the effect of the total length of this application device simultaneously.

Description

Combined spring

Technical Field

The application relates to the technical field of springs, in particular to a combined spring.

Background

A spring is a mechanical part that works by elasticity. The part made of elastic material deforms under the action of external force and restores to the original shape after the external force is removed. Also used as a "spring". Typically made of spring steel. The types of springs are complex and various, and mainly include spiral springs, volute springs, plate springs, special springs and the like according to the shapes.

With respect to the related art among the above, the inventors consider that there is a defect: the spring is usually stretched when in use, and when the stretching amount of the spring is related to the length of the spring, the spring in the related art is usually increased when the stretching amount of the spring is increased, but the increase of the length of the spring increases the installation volume of the spring, which causes inconvenience in use of the spring.

SUMMERY OF THE UTILITY MODEL

To increase the elongation of the spring while reducing the length of the spring itself, a combination spring is provided.

The application provides a combination spring adopts following technical scheme:

a combined spring comprises a tension group and a compression group which is connected with the tension group in a sliding way; tensile group includes fixing base, fixed connection guide rail on the fixing base, sliding connection sliding seat on the guide rail and fixes the extension spring between fixing base and sliding seat, extension spring's both ends are fixed respectively on the side of fixing base and sliding seat through the stationary blade.

Through adopting above-mentioned technical scheme, during the installation of this application device, the one end of tensile group by fixed compression group is stretched, when this application device atress is stretched, the tensile group of this application device is stretched, compression group is compressed, the elongation of this application device equals the sum of the length by tensile length and the compression of compression group of tensile group, when this application device is in the state of relaxing, the length of this application device is the same with the length of tensile group, the elongation of compression group increase this application device, the total length of this application device can not be increased to the compression group simultaneously.

Optionally, the fixed plate is detachably connected to the side surfaces of the sliding seat and the fixed seat, and the fixed plate penetrates through the gap at the end part of the extension spring.

Through adopting above-mentioned technical scheme, fix extension spring's both ends on sliding seat and fixing base through the stationary blade, when extension spring was stretched, the risk that the stationary blade can reduce extension spring's both ends and fixing base and sliding seat break away from reduces the fault rate of this application device.

Optionally, guide rail and extension spring all are equipped with two sets ofly, guide rail fixed connection is at the both ends of fixing base, extension spring can dismantle the both ends of connection at the fixing base, extension spring can dismantle the inboard of connection at the guide rail.

Through adopting above-mentioned technical scheme, with extension spring setting layer two sets ofly, when the sliding seat atress takes place to remove, two sets of extension spring can make the sliding seat atress increase balanced.

Optionally, the compression set is slidably connected in the middle of the extension spring.

Optionally, the compression group includes the slide rail of sliding connection on the sliding seat, the slide rail is equipped with two, slide rail sliding connection is between extension spring, the slide rail is close to one of fixing base and serves fixedly connected with mount pad, the other end fixedly connected with connecting seat of slide rail, the connecting seat sets up the one side of keeping away from the fixing base at the sliding seat, the cover is equipped with compression spring on the slide rail.

Through adopting above-mentioned technical scheme, this application device is when receiving the pulling force, and the connecting seat atress at first drives the mount pad and slides, and at the in-process that mount pad and connecting seat removed, the compression spring atress is compressed, and when this application device atress was stretched, compression group removed the cooperation jointly with tensile group simultaneously to increase the tensile volume of this application device.

Optionally, mounting grooves are formed in one side, close to the sliding seat, of the mounting seat and one side, close to the connecting seat, of the sliding seat, and two ends of the compression spring abut against the mounting grooves of the sliding seat and the mounting grooves of the connecting seat respectively.

Optionally, a first hidden groove is formed in the side face, close to the sliding seat, of the fixed seat, and the mounting seat abuts against the inside of the first hidden groove.

Through adopting above-mentioned technical scheme, when initial condition, the mount pad is located the inside of first hidden groove, saves the shared space of mount pad through first hidden groove, further reduces the length of this application device.

Optionally, a second hidden groove is formed in the side face, far away from the fixed seat, of the sliding seat, and the connecting seat abuts against the inside of the second hidden groove.

Through adopting above-mentioned technical scheme, when this application device was in initial condition, the connecting seat was located the inside that the groove was hidden to the second to further reduce the length of this application device.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the device is in a relaxed state, the length of the spring is the same as that of the stretching group, the compression group increases the elongation of the device, and meanwhile, the compression group cannot increase the total length of the device;

2. when the device receives a tensile force, the connecting seat is stressed to drive the mounting seat to slide, the compression spring is stressed to be compressed in the process of moving the mounting seat and the connecting seat, and the compression group and the stretching group move simultaneously and are matched together when the device is stressed to be stretched, so that the stretching amount of the device is increased;

3. when this application device is in initial condition, the mount pad is located the first inside of hiding the groove, saves the shared space of mount pad through the first groove of hiding, and the connecting seat is located the second and hides the inside in groove, hides the groove through the second and saves the shared space of connecting seat to further reduce the length of this application device.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is an enlarged schematic view of the structure at a in fig. 1.

Description of reference numerals: 1. stretching group; 11. a fixed seat; 111. a second hidden slot; 12. a guide rail; 13. a sliding seat; 131. a first hidden slot; 14. an extension spring; 15. a fixing sheet; 2. compressing the group; 21. a slide rail; 22. a mounting seat; 23. a connecting seat; 24. a compression spring; 25. and (4) mounting the groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a combination spring. Referring to fig. 1, a combination spring includes a tension group 1 and a compression group 2 slidably coupled to the tension group 1. The stretching group 1 comprises a fixed seat 11 and guide rails 12 welded at two ends of the fixed seat 11, a sliding seat 13 is slidably mounted on the guide rails 12, the sliding seat 13 is parallel to the fixed seat 11, the guide rails 12 are perpendicular to the fixed seat 11 and the sliding seat 13, a stretching spring 14 is mounted between the sliding seat 13 and the fixed seat 11, and two ends of the stretching spring 14 are fixed on the opposite side surfaces of the sliding seat 13 and the fixed seat 11 through fixing pieces 15.

The fixed plate 15 passes through the gap between the two ends of the extension spring 14, and the two ends of the fixed plate 15 are fixed on the opposite sides of the fixed seat 11 and the sliding seat 13 through bolts. Two extension springs 14 are also provided, and the extension springs 14 are installed between the two guide rails 12. The compression set 2 is mounted between two extension springs 14.

When the device of the embodiment of the present application is stretched under a force, the compression set 2 is compressed under a force and slides with the sliding seat 13 through the sliding rail 21 under a tensile force, and the sliding seat 13 in the tension set 1 slides along the guide rail 12 under a tensile force and stretches the tension spring 14. The stretching group 1 and the compressing group 2 are matched with each other, and the stretching amount of the device of the embodiment of the application is increased under the condition that the length of the stretching group 1 is not increased.

Referring to fig. 1, the stretching assembly 1 includes two slide rails 21 slidably mounted on the sliding seat 13, and the two slide rails 21 are respectively perpendicular to the sliding seat 13 and slidably mounted at two ends of the sliding seat 13. The end of the slide rail 21 close to the fixed seat 11 is connected with an installation seat 22 through a screw thread, the other end of the slide rail 21 is provided with a connection seat 23, and the connection seat 23 is arranged on one side of the slide seat 13 far away from the fixed seat 11. The two slide rails 21 are respectively sleeved with a compression spring 24, the side face of the mounting seat 22 opposite to the side face of the slide seat 13 is provided with a mounting groove 25, and two ends of the compression spring 24 are respectively abutted to the inside of the mounting groove 25.

Referring to fig. 1 and 2, a first hidden groove 131 is formed on a side surface of the fixed seat 11 close to the sliding seat 13, the mounting seat 22 abuts against an inner portion of the first hidden groove 131, a second hidden groove 111 is formed on a side surface of the sliding seat 13 far from the fixed seat 11, and the connecting seat 23 abuts against an inner portion of the second hidden groove 111. The length of the device of the embodiment of the present application is further reduced by hiding the mounting seat 22 and the connecting seat 23 through the first hiding groove 131 and the second hiding groove 111.

The implementation principle of a combination spring of the embodiment of the application is as follows: when using, fixing base 11 is fixed, and connecting seat 23 atress is stretched and is removed, and when this application embodiment device was stretched, compression group 2 spare atress connecting seat 23 drove the mount pad 22 through slide rail 21 and slides to compression spring 24, under compression spring 24's elasticity effect, sliding seat 13 slided along guide rail 12 simultaneously, stretches extension spring 14. By matching the stretching group 1 and the compressing group 2, the elongation of the device of the embodiment of the application is increased without increasing the length of the device of the embodiment of the application.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A combination spring, characterized in that: comprises a stretching group (1) and a compressing group (2) which is connected with the stretching group (1) in a sliding way; tensile group (1) is including fixing base (11), fixed connection guide rail (12) on fixing base (11), sliding seat (13) and extension spring (14) of fixing between fixing base (11) and sliding seat (13) on guide rail (12), extension spring (14) are fixed respectively on the side of fixing base (11) and sliding seat (13) through stationary blade (15) in the both ends.

2. The unitized spring of claim 1, wherein: the fixing plate (15) is detachably connected to the side faces of the sliding seat (13) and the fixing seat (11), and the fixing plate (15) penetrates through the inside of a gap at the end part of the extension spring (14).

3. The unitized spring of claim 1, wherein: guide rail (12) and extension spring (14) all are equipped with two sets ofly, guide rail (12) fixed connection is at the both ends of fixing base (11), extension spring (14) can be dismantled the both ends of connection at fixing base (11), extension spring (14) can be dismantled the inboard of connection at guide rail (12).

4. A unitized spring according to claim 3, wherein: the compression set (2) is connected in the middle of the extension spring (14) in a sliding mode.

5. The unitized spring of claim 4, wherein: compression group (2) are including slide rail (21) of sliding connection on sliding seat (13), slide rail (21) are equipped with two, slide rail (21) sliding connection is between extension spring (14), slide rail (21) are close to one of fixing base (11) and serve fixedly connected with mount pad (22), the other end fixedly connected with connecting seat (23) of slide rail (21), one side of fixing base (11) is kept away from in sliding seat (13) is set up in connecting seat (23), the cover is equipped with compression spring (24) on slide rail (21).

6. The unitized spring of claim 5, wherein: mounting grooves (25) are formed in one side, close to the sliding seat (13), of the mounting seat (22) and one side, close to the connecting seat (23), of the sliding seat (13), and two ends of the compression spring (24) abut against the inside of the mounting grooves (25) of the sliding seat (13) and the mounting grooves (25) of the connecting seat (23) respectively.

7. The unitized spring of claim 5, wherein: the side face, close to the sliding seat (13), of the fixed seat (11) is provided with a first hidden groove (131), and the installation seat (22) is abutted to the inside of the first hidden groove (131).

8. The unitized spring of claim 5, wherein: the side face, far away from the fixed seat (11), of the sliding seat (13) is provided with a second hidden groove (111), and the connecting seat (23) abuts against the inside of the second hidden groove (111).