CN217234213U

CN217234213U - Adjustable compression spring

Info

Publication number: CN217234213U
Application number: CN202220983277.0U
Authority: CN
Inventors: 曹阳
Original assignee: Nanjing Baozuan Spring Co ltd
Current assignee: Nanjing Baozuan Spring Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-08-19
Anticipated expiration: 2032-04-26

Abstract

An adjustable compression spring comprises a compression spring body, an adjustable spring seat and a limiting assembly; the adjustable spring seat comprises a top spring seat and a bottom spring seat, mounting grooves are formed in the bottom of the top spring seat and the top of the bottom spring seat, and each mounting groove is internally provided with an adjustable positioning assembly. Adjustable compression spring, structural design is reasonable, through all being provided with adjustable locating component in the mounting groove, make things convenient for not unidimensional compression spring body's location and installation, loop bar and last double-screw bolt, sleeve pipe all adopt threaded connection with lower double-screw bolt, can adjust the height between top spring holder, the bottom spring holder, make things convenient for the installation of not co-altitude compression spring body, played spacing and guard action through setting up loop bar and sleeve pipe, application prospect is extensive.

Description

Adjustable compression spring

Technical Field

The utility model relates to a spring technical field, concretely relates to adjustable compression spring.

Background

The spring is a mechanical part which works by utilizing elasticity, and the part made of elastic materials deforms under the action of external force and restores to the original shape after the external force is removed. 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.

In the prior art, a spring seat is usually adopted to support and position the spring. At present, the spring seat for the spring in the prior art has the following problems: the spring seat is made specially for a certain type of spring during manufacturing, so the spring seat has a limit on the length and width of the spring, and different springs of other types cannot be replaced. Therefore, it is necessary to develop an adjustable compression spring to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: in order to overcome the above not enough, the utility model aims at providing an adjustable compression spring, structural design is reasonable, installs the spring body on the spring holder, and the spring body is convenient with spring holder installation, dismantlement, and the spring holder has played supporting and positioning action to the spring body, and application prospect is extensive.

The technical scheme is as follows: an adjustable compression spring comprises a compression spring body, an adjustable spring seat and a limiting assembly; the adjustable spring seat comprises a top spring seat and a bottom spring seat, mounting grooves are formed in the bottom of the top spring seat and the top of the bottom spring seat, an adjustable positioning assembly is arranged in each mounting groove, and the upper end and the lower end of the compression spring body are respectively arranged in the mounting groove in the bottom of the top spring seat and the mounting groove in the top of the bottom spring seat and are respectively positioned and fixed through the adjustable positioning assemblies; the limiting assembly comprises a sleeve rod and a sleeve, an upper stud and a lower stud are fixedly arranged at the bottom of the top spring seat and the top center of the bottom spring seat respectively, a first through hole matched with the upper stud is formed in the top center of the sleeve rod, the sleeve rod is in threaded connection with the upper stud, a second through hole matched with the lower stud is formed in the bottom center of the sleeve, the sleeve is in threaded connection with the lower stud, and the sleeve rod is inserted into the sleeve.

Adjustable compression spring, structural design is reasonable, through all being provided with adjustable locating component in the mounting groove, make things convenient for not unidimensional compression spring body's location and installation, loop bar and last double-screw bolt, sleeve pipe all adopt threaded connection with lower double-screw bolt, can adjust the height between top spring holder, the bottom spring holder, make things convenient for the installation of not co-altitude compression spring body, through setting up loop bar and sleeve pipe, when making compression spring body receive excessive extrusion, the loop bar slides at set intraduct, when conflicting bottom the loop bar bottom and sleeve pipe bottom, can prevent compression spring body to continue the shrink, make compression spring body stop the shrink after shrink to a certain degree, solved current compression spring body and lead to the problem of damage because of receiving excessive extrusion easily.

Furthermore, the adjustable compression spring comprises a screw rod, a knob and an arc-shaped positioning plate, wherein a third through hole matched with the screw rod is formed in the side surface of the top spring seat and the side surface of the bottom spring seat; one end of the screw penetrates through the through hole and transversely extends into the mounting groove, a knob is fixedly arranged at the other end of the screw, and an arc-shaped positioning plate is arranged at one end of the screw extending into the mounting groove.

The adjustable positioning component drives the arc positioning plate to move by rotating the rotary knob until the arc positioning plate clamps the compression spring body.

Furthermore, the adjustable compression spring stretches into the mounting groove, one end of the screw rod is in threaded connection with a threaded sleeve, and an arc-shaped positioning plate is fixedly connected to the threaded sleeve.

Furthermore, every adjustable compression spring, every adjustable locating component all includes 4 screws, 4 knobs, 4 arc locating plates, 4 through-holes three with screw rod matched with are all seted up to the side of top spring holder, the side of bottom spring holder 22, and the angle between every through-hole three and its adjacent through-hole three is 90.

Adjustable locating component, convenient operation, during the installation, set up compression spring body cover outside spacing subassembly earlier, loop bar and last double-screw bolt threaded connection, sleeve pipe and lower double-screw bolt threaded connection, the upper end setting of compression spring body is in the mounting groove of top spring holder bottom and the mounting groove of lower extreme setting at bottom spring holder top, 4 arc locating plates all are located compression spring body outer one side this moment, through rotatory 4 knobs, make 4 threaded rods rotate, the rotation of threaded rod makes the thread bush drive arc locating plate motion, until 4 arc locating plates with compression spring body chucking.

Furthermore, foretell adjustable compression spring, the one end that the loop bar is located the intraductal portion of cover is fixed and is provided with spacing dish, the fixed spacing spring that is provided with in bottom of spacing dish, the loop bar passes through spacing spring and spacing dish effect sliding connection at the intraductal portion of cover.

The loop bar passes through spacing spring and spacing effect sliding connection of dish in sheathed tube inside, and when the compression spring body received excessive extrusion, the loop bar passed through spacing spring and slided at set intraduct, when the loop bar bottom was contradicted with the sleeve pipe bottom, can prevent the compression spring body to continue to contract, played spacing guard action.

Furthermore, according to the adjustable compression spring, the sleeve rod and the sleeve are located at the axle center inside the compression spring body, and the limiting block extending to the outside of the compression spring body is welded at the top of the outer wall of one side of the sleeve.

Through setting up the stopper, the stopper compresses the compression spring body of its below, has satisfied the work needs under the specific condition, has solved current compression spring and can only keep the state of stretching or contracting, is difficult to realize two kinds of states simultaneously.

Further, in the adjustable compression spring, the compression spring body is a spring with a single spiral structure.

Furthermore, foretell adjustable compression spring, the compression spring body is the spring of helical structure, the compression spring body includes interior spring, outer spring, goes up volute spring, lower volute spring, interior spring and outer spring height equals and interior spring cover establish in outer spring with one heart, the upper end point of interior spring and the upper end point of outer spring are connected with the both ends of last volute spring respectively, the lower extreme point of interior spring and the lower extreme point of outer spring are connected with the both ends of lower volute spring respectively, the spiral direction of interior spring and outer spring is opposite.

The compression spring body adopts a double-spiral structure, the inner spring and the outer spring which are concentrically arranged are connected into a whole through the upper volute spring and the lower volute spring, the structure is stable, the inner spring and the outer spring are always in a concentric state when the compression spring is used, the balance and stability of the stress of the springs are guaranteed, the springs cannot incline, and the high energy storage and high reaction speed of the springs are guaranteed.

The beneficial effects of the utility model are that: the adjustable compression spring has reasonable structural design, and the adjustable positioning components are arranged in the mounting grooves, so that compression spring bodies with different sizes can be conveniently positioned and mounted; the loop bar passes through spacing spring and spacing effect sliding connection of dish in sheathed tube inside, and when the compression spring body received excessive extrusion, the loop bar passed through spacing spring and slided at set intraduct, when the loop bar bottom was contradicted with the sleeve pipe bottom, can prevent the compression spring body to continue to contract, played spacing guard action.

Drawings

Fig. 1 is a schematic view of the overall structure of the adjustable compression spring of the present invention;

FIG. 2 is a bottom view of the top spring seat or a bottom view of the bottom spring seat of the adjustable compression spring of the present invention;

fig. 3 is a schematic structural diagram of a limiting assembly of embodiment 2 of the adjustable compression spring according to the present invention;

fig. 4 is a schematic structural diagram of a limiting assembly according to embodiment 3 of the adjustable compression spring of the present invention;

fig. 5 is a schematic structural view of a compression spring body of the double-spiral structure spring of the adjustable compression spring according to the present invention;

in the figure: the compression spring comprises a compression spring body 1, an inner spring 11, an outer spring 12, an upper volute spring 13, a lower volute spring 14, an adjustable spring seat 2, a top spring seat 21, a mounting groove 211, an upper stud 212, a lower stud 213, a bottom spring seat 22, an adjustable positioning component 23, a screw 231, a knob 232, an arc-shaped positioning plate 233, a threaded sleeve 234, a limiting component 3, a sleeve rod 31, a sleeve 32, a limiting disc 33, a limiting spring 34 and a limiting block 35.

Detailed Description

The invention will be further elucidated with reference to the accompanying figures 1-5 and the specific embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The adjustable compression spring with the structure as shown in fig. 1-5 comprises a compression spring body 1, an adjustable spring seat 2 and a limiting assembly 3; the adjustable spring seat 2 comprises a top spring seat 21 and a bottom spring seat 22, mounting grooves 211 are formed in the bottom of the top spring seat 21 and the top of the bottom spring seat 22, an adjustable positioning component 23 is arranged in each mounting groove 211, and the upper end and the lower end of the compression spring body 1 are respectively arranged in the mounting groove 211 in the bottom of the top spring seat 21 and the mounting groove 211 in the top of the bottom spring seat 22 and are respectively positioned and fixed through the adjustable positioning component 23; the limiting assembly 3 comprises a loop bar 31 and a sleeve 32, an upper stud 212 and a lower stud 213 are fixedly arranged at the bottom of the top spring seat 21 and the top center of the bottom spring seat 22 respectively, a first through hole matched with the upper stud 212 is formed in the top center of the loop bar 31, the loop bar 31 is in threaded connection with the upper stud 212, a second through hole matched with the lower stud 213 is formed in the bottom center of the sleeve 32, the sleeve 32 is in threaded connection with the lower stud 213, and the loop bar 31 is inserted into the sleeve 32.

In addition, the adjustable positioning assembly 23 comprises a screw 231, a knob 232 and an arc-shaped positioning plate 233, and the side surface of the top spring seat 21 and the side surface of the bottom spring seat 22 are both provided with a third through hole matched with the screw 231; one end of the screw rod 231 penetrates through the through hole three and transversely extends into the mounting groove 211, the other end of the screw rod 231 is fixedly provided with a knob 232, and one end of the screw rod 231 extending into the mounting groove 211 is provided with an arc-shaped positioning plate 233.

In addition, a threaded sleeve 234 is connected to one end of the screw rod 231 extending into the mounting groove 211 through a thread, and an arc-shaped positioning plate 233 is fixedly connected to the threaded sleeve 234.

Further, each adjustable positioning assembly 23 includes 4 screws 231, 4 knobs 232, and 4 arc-shaped positioning plates 233, 4 through holes three matched with the screws 231 are respectively formed in the side surface of the top spring seat 21 and the side surface of the bottom spring seat 22, and an angle between each through hole three and the adjacent through hole three is 90 °.

In addition, a limiting disc 33 is fixedly arranged at one end of the loop bar 31 positioned inside the sleeve 32, a limiting spring 34 is fixedly arranged at the bottom of the limiting disc 33, and the loop bar 31 is slidably connected inside the sleeve 32 through the action of the limiting spring 34 and the limiting disc 33.

Further, the loop bar 31 and the sleeve 32 are located at the axis inside the compression spring body 1, and a limiting block 35 extending to the outside of the compression spring body 1 is welded to the top of the outer wall of one side of the sleeve 32.

Further, the compression spring body 1 is a single-spiral structure spring.

Further, the compression spring body 1 is a double-spiral spring, the compression spring body 1 includes an inner spring 11, an outer spring 12, an upper volute spring 13 and a lower volute spring 14, the inner spring 11 and the outer spring 12 are equal in height and the inner spring 11 is concentrically sleeved in the outer spring 12, an upper end point of the inner spring 11 and an upper end point of the outer spring 12 are respectively connected with two ends of the upper volute spring 13, a lower end point of the inner spring 11 and a lower end point of the outer spring 12 are respectively connected with two ends of the lower volute spring 14, and the spiral directions of the inner spring 11 and the outer spring 12 are opposite.

Example 1

Based on the above structural basis, as shown in fig. 1 and 2.

Adjustable compression spring, through all being provided with adjustable locating component 23 in mounting groove 211, make things convenient for not unidimensional compression spring body 1's location and installation, loop bar 31 and last double-screw bolt 212, sleeve pipe 32 all adopt threaded connection with lower double-screw bolt 213, can adjust top spring holder 21, height between the bottom spring holder 22, make things convenient for the installation of not high compression spring body 1, through setting up loop bar 31 and sleeve pipe 32, make compression spring body 1 receive when excessively extrudeing, loop bar 31 slides at sleeve pipe 32 is inside, when conflicting bottom loop bar 31 bottom and sleeve pipe 32, can prevent compression spring body 1 to continue the shrink, make compression spring body 1 stop the shrink after contracting to a certain extent, the problem of current compression spring body 1 leading to the damage because of receiving excessively extrudeing has been solved easily.

Each adjustable positioning assembly 23 comprises 4 screws 231, 4 knobs 232 and 4 arc-shaped positioning plates 233, 4 through holes three matched with the screws 231 are formed in the side surface of the top spring seat 21 and the side surface of the bottom spring seat 22, and the angle between each through hole three and the adjacent through hole three is 90 degrees. One end of the screw rod 231 penetrates through the through hole three and transversely extends into the mounting groove 211, the other end of the screw rod 231 is fixedly provided with a knob 232, one end of the screw rod 231 extending into the mounting groove 211 is connected with a threaded sleeve 234 in a threaded manner, and an arc-shaped positioning plate 233 is fixedly connected onto the threaded sleeve 234.

Adjustable locating component 23, and convenient for operation, during the installation, earlier set up 1 cover of compression spring body outside spacing subassembly 3, loop bar 31 and last double-screw bolt 212 threaded connection, sleeve pipe 32 and lower double-screw bolt 213 threaded connection, the upper end setting of compression spring body 1 is in the mounting groove 211 of top spring seat 21 bottom and the lower extreme setting is in the mounting groove 211 at bottom spring seat 212 top, 4 arc locating plate 233 all are located the outer one side of compression spring body 1 this moment, through rotatory 4 knob 232, make 4 threaded rod 231 rotate, the rotation of threaded rod 231 makes threaded sleeve 234 drive arc locating plate 233 motion, until 4 arc locating plate 233 with compression spring body 1 chucking.

Example 2

Based on the above structural basis, as shown in fig. 1, 2 and 3.

Adjustable compression spring, loop bar 31 is located the fixed spacing dish 33 that is provided with of the inside one end of sleeve pipe 32, the fixed spacing spring 34 that is provided with in bottom of spacing dish 33, loop bar 31 is through spacing spring 34 and spacing dish 33's effect sliding connection in the inside of sleeve pipe 32, when the compression spring body receives excessive extrusion, loop bar 31 passes through spacing spring 34 and slides in sleeve pipe 32 is inside, when conflicting bottom loop bar 31 and sleeve pipe 32, can prevent compression spring body 1 to continue the shrink, play spacing guard action.

Example 3

Based on the above structural basis of embodiment 2, as shown in fig. 1, 2 and 4.

Adjustable compression spring, loop bar 31 and sleeve pipe 32 are located the inside axle center department of compression spring body 1, the top welding of sleeve pipe 32 one side outer wall has the stopper 35 that extends to 1 outside of compression spring body. Through setting up stopper 35, stopper 35 compresses compression spring body 1 of its below, has satisfied the work needs under the specific condition, has solved current compression spring and can only keep the state of stretching or contracting, is difficult to realize two kinds of states simultaneously.

Example 4

Based on the structural basis of embodiment 1, embodiment 2, or embodiment 3, the compression spring body 1 is a single-coil spring.

Example 5

Based on the structural basis of the embodiment 1, the embodiment 2 or the embodiment 3, as shown in fig. 5, the compression spring body 1 adopts a double-spiral structure, the inner spring 11 and the outer spring 12 which are concentrically arranged are connected into a whole through the upper volute spring 13 and the lower volute spring 4, the structure is stable, the inner spring 11 and the outer spring 12 are always in a concentric state when the compression spring is used, the stress of the springs is balanced and stable without inclination, and the high energy storage and the high reaction speed of the springs are ensured.

The above description is provided for the preferred embodiments of the present invention, but the present invention is not limited to the details of the above embodiments, and the technical idea of the present invention can be implemented by various simple modifications, which all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, the embodiments of the present invention can be arbitrarily combined with each other, and the disclosed content of the present invention should be considered as the same as long as it does not violate the idea of the present invention.

Claims

1. An adjustable compression spring is characterized by comprising a compression spring body (1), an adjustable spring seat (2) and a limiting assembly (3); the adjustable spring seat (2) comprises a top spring seat (21) and a bottom spring seat (22), mounting grooves (211) are formed in the bottom of the top spring seat (21) and the top of the bottom spring seat (22), an adjustable positioning assembly (23) is arranged in each mounting groove (211), the upper end and the lower end of the compression spring body (1) are respectively arranged in the mounting groove (211) in the bottom of the top spring seat (21) and the mounting groove (211) in the top of the bottom spring seat (22) and are respectively positioned and fixed through the adjustable positioning assemblies (23); the limiting assembly (3) comprises a sleeve rod (31) and a sleeve (32), an upper stud (212) and a lower stud (213) are fixedly arranged at the bottom of a top spring seat (21) and the top center of a bottom spring seat (22) respectively, a first through hole matched with the upper stud (212) is formed in the top center of the sleeve rod (31), the sleeve rod (31) is in threaded connection with the upper stud (212), a second through hole matched with the lower stud (213) is formed in the bottom center of the sleeve (32), the sleeve rod (32) is in threaded connection with the lower stud (213), and the sleeve rod (31) is inserted into the sleeve (32).

2. The adjustable compression spring as claimed in claim 1, wherein the adjustable positioning assembly (23) comprises a screw rod (231), a knob (232) and an arc-shaped positioning plate (233), and the side surface of the top spring seat (21) and the side surface of the bottom spring seat (22) are both provided with a third through hole matched with the screw rod (231); one end of the screw rod (231) penetrates through the through hole and transversely extends into the mounting groove (211), the other end of the screw rod (231) is fixedly provided with a knob (232), and one end of the screw rod (231) extending into the mounting groove (211) is provided with an arc-shaped positioning plate (233).

3. The adjustable compression spring as claimed in claim 2, wherein a threaded sleeve (234) is threadedly connected to one end of the screw rod (231) extending into the mounting groove (211), and an arc-shaped positioning plate (233) is fixedly connected to the threaded sleeve (234).

4. The adjustable compression spring as claimed in claim 2, wherein each of the adjustable positioning assemblies (23) comprises 4 screws (231), 4 knobs (232) and 4 arc-shaped positioning plates (233), the side surface of the top spring seat (21) and the side surface of the bottom spring seat (22) are respectively provided with 4 through holes three matched with the screws (231), and an angle between each through hole three and its adjacent through hole three is 90 °.

5. The adjustable compression spring as claimed in claim 1, wherein a limiting disc (33) is fixedly arranged at one end of the loop bar (31) located inside the sleeve (32), a limiting spring (34) is fixedly arranged at the bottom of the limiting disc (33), and the loop bar (31) is slidably connected inside the sleeve (32) through the limiting spring (34) and the limiting disc (33).

6. The adjustable compression spring as claimed in claim 5, wherein the loop bar (31) and the sleeve (32) are located at the axial center inside the compression spring body (1), and a limiting block (35) extending to the outside of the compression spring body (1) is welded on the top of the outer wall of one side of the sleeve (32).

7. The adjustable compression spring according to claim 1, wherein the compression spring body (1) is a single helical structure spring.

8. The adjustable compression spring as claimed in claim 1, wherein the compression spring body (1) is a double-spiral spring, the compression spring body (1) comprises an inner spring (11), an outer spring (12), an upper spiral spring (13) and a lower spiral spring (14), the inner spring (11) and the outer spring (12) are equal in height, the inner spring (11) is concentrically sleeved in the outer spring (12), an upper end point of the inner spring (11) and an upper end point of the outer spring (12) are respectively connected with two ends of the upper spiral spring (13), a lower end point of the inner spring (11) and a lower end point of the outer spring (12) are respectively connected with two ends of the lower spiral spring (14), and the spiral directions of the inner spring (11) and the outer spring (12) are opposite.