CN217653123U

CN217653123U - Plate spring with excessive deformation early warning function

Info

Publication number: CN217653123U
Application number: CN202221561200.0U
Authority: CN
Inventors: 任鹏
Original assignee: SHANDONG LAIWU KERUIDI AUTO PARTS CO LTD
Current assignee: SHANDONG LAIWU KERUIDI AUTO PARTS CO LTD
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-10-25
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses a leaf spring with excessive deformation early warning, which belongs to the technical field of leaf springs and comprises a leaf spring main body, wherein the leaf spring main body mainly comprises a plate body and a spring body, the spring body comprises a plurality of reeds which are sequentially laminated with each other, a fixing screw is fixed on the upper surface of the plate body, and a plurality of through holes are arranged on the reeds at positions opposite to the fixing screw; through setting up articulated arm cooperation sliding plate and using, can order about the sliding plate under articulated effect between articulated arm and sliding plate when the spring body receives deformation effort effect and appears warping and slide in the sliding tray, drive the touch block motion when utilizing the sliding plate motion, make and start the early warning ware after touch contact switch to the touch block, reach the effect of excessive deformation early warning, and contact switch's position can be adjusted through adjusting screw, can adjust the movement distance of sliding plate, thereby can carry out adaptability according to the limit value size of effort and adjust the use, high durability and convenient use.

Description

Plate spring with excessive deformation early warning function

Technical Field

The utility model belongs to the technical field of the leaf spring, concretely relates to leaf spring of excessive deformation early warning.

Background

The automobile plate spring is the most traditional elastic element in an automobile suspension system, has the advantages of good reliability, simple structure, short manufacturing process flow, low cost, greatly simplified structure and the like, and is widely applied due to the advantages of good reliability, simple structure, short manufacturing process flow, low cost, greatly simplified structure and the like. The automobile plate spring is generally a group of spring beams with similar equal strength, which are formed by combining a plurality of alloy spring steels with different lengths. Besides the function of buffering in the suspension system, when it is arranged in the longitudinal direction of the automobile and one end of it is fixedly hinged with the frame, it can be used for transmitting all the forces and moments in all directions, determining the moving track of the wheel and guiding.

Lack effectual spacing deviation prevention mechanism in the leaf spring use, only through the screw connection when a plurality of reed superposes each other, error phenomenon appears easily in laminating installation, and lacks effectual excessive deformation early warning mechanism in the use, and the function is imperfect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a leaf spring of excessive deformation early warning to solve and to provide in the above-mentioned background art and lack effectual spacing anti-migration mechanism in the leaf spring use, only through the screw connection when a plurality of leaf spring superposes laminating installation each other, the error phenomenon appears easily, and lacks effectual excessive deformation early warning mechanism in the use, the incomplete problem of function.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a leaf spring of excessive deformation early warning, includes the leaf spring main part, the leaf spring main part mainly comprises plate body and spring body, the spring body comprises a plurality of reed of laminating each other in proper order, the upper surface fixed of plate body has set screw, just set screw's position department has seted up a plurality of through hole on the reed, set screw's top is passed a plurality of through hole and screw thread and is installed nut one, a plurality of be provided with a plurality of retaining member between the reed, the left and right sides of plate body upper surface all is provided with the sliding plate, the front and back both sides face of sliding plate all articulates there is the articulated arm, the other end of articulated arm is articulated mutually with the reed side of below, sliding plate slidable mounting is in the sliding tray that the plate body upper surface was seted up, one of them be provided with the mounting panel in the sliding tray, the side that the mounting panel is close to homonymy sliding plate is fixed with contact switch, the position department that the sliding plate is close to contact switch installs to the touch multitouch, the upper surface fixed of plate body has the precaution device with contact switch electric connection.

Adopt above-mentioned scheme, use through setting up articulated arm cooperation sliding plate, can order about the sliding plate under articulated effect between articulated arm and sliding plate when the spring body receives deformation effort effect and appears warping, and then drive the touch block motion when utilizing the sliding plate motion, make touch block touch start the precaution device behind the contact switch, reach the effect of an excessive deformation early warning, and contact switch's position can be adjusted through adjusting screw, and then can adjust the movement distance of sliding plate, thereby can carry out adaptability regulation according to the limit value size of effort and use, high durability and convenient use, prevent that the skew strip cooperation prevents the use of skew slot through setting up, can prevent the skew to a plurality of reeds, and utilize dead lever cooperation U-shaped frame and compact heap to use, further come to connect fixedly a plurality of reeds, assembly stability is good, simple structure operation.

In the above scheme, it should be noted that the early warning device and the contact switch are both electrically connected to an external power supply, and the early warning device is specifically an audible and visual alarm buzzer.

As a preferred embodiment, the lower surface of each upper reed is fixed with an anti-deviation strip, and the upper surface of each lower reed is provided with a plurality of anti-deviation slots for the anti-deviation strips to be inserted into.

By adopting the scheme, the anti-deviation strip is matched with the anti-deviation slot to be used, so that a good anti-deviation effect can be achieved, the adjacent reeds are better in stability when being overlapped and laminated together, the deviation phenomenon is not easy to occur, and the anti-deviation effect is good.

As a preferred embodiment, the retaining member mainly comprises a U-shaped frame and a pressing block arranged inside the U-shaped frame, the two vertical parts of the U-shaped frame are provided with bar-shaped slideways, fixing rods are arranged inside the bar-shaped slideways, the fixing rods slide through the pressing block and the fixing rods, one ends of the fixing rods are provided with protruding parts and are attached to the side surfaces of the U-shaped frame through the protruding parts, and the upper surface of the pressing block is attached to the lower surface of the spring leaf at the lowest position.

By adopting the scheme, the fixing rods are used for penetrating the strip-shaped slide ways to be matched with the pressing blocks, the fixing device can be suitable for stacking and fixing the reeds with different quantities, and a good fixing effect can be achieved by the aid of the pressing blocks.

As a preferred embodiment, a plurality of sliding rods are fixed on the inner wall of the sliding groove, the sliding plate is slidably mounted on the outer surface of the sliding rod, and a spring with two ends respectively connected with the inner wall of the sliding groove and the sliding plate is sleeved on the outer surface of the sliding rod.

Adopt above-mentioned scheme, the sliding bar set up the cooperation sliding plate and use, can carry out spacing direction to the sliding plate for the sliding plate is difficult for appearing breaking away from the base when sliding in the sliding tray, and the setting of spring then cooperates articulated arm and sliding plate to use the effect that plays a buffer protection.

As a preferred embodiment, an adjusting screw is installed on the left side face of the plate body in a threaded manner, an adjusting hand wheel is fixed at one end of the adjusting screw, and the other end of the adjusting screw extends into the sliding groove and is fixedly connected with the mounting plate.

Adopt above-mentioned scheme, utilize adjusting screw's setting cooperation mounting panel to use, adjusting screw can order about the mounting panel when rotating that the stability of motion is better in the sliding tray, and can carry out position control to contact switch according to actual need, and then can carry out adaptability to bearing the deformation force and adjust the use.

In a preferred embodiment, the other end surface of the fixing rod is provided with a screw thread, a second nut is installed on the screw thread, and the side surface of the second nut is attached to the side surface of the U-shaped frame.

By adopting the scheme, the second nut is matched with the screw thread on the fixing rod for use, so that the second nut can be used for realizing a locking effect, and the second nut is convenient to operate, adjust and use.

Compared with the prior art, the beneficial effects of the utility model are that:

the leaf spring with the excessive deformation early warning function is used by arranging the hinged arm to be matched with the sliding plate, when the spring body deforms under the action of deformation acting force, the sliding plate is driven to slide in the sliding groove under the hinging action between the hinged arm and the sliding plate, and then the contact block is driven to move when the sliding plate moves, so that the contact block touches the contact switch and then starts the early warning device, an excessive deformation early warning effect is achieved, the position of the contact switch can be adjusted through the adjusting screw rod, the moving distance of the sliding plate can be adjusted, and therefore the leaf spring can be adaptively adjusted and used according to the limit value of the acting force and is convenient to use;

this leaf spring of excessive deformation early warning prevents that skew strip cooperation prevents that the slot uses through setting up, can prevent the skew to a plurality of reeds, and utilizes dead lever cooperation U-shaped frame and compact heap to use, further comes to connect fixedly a plurality of reeds, and packaging stability is good, structure easy operation.

Drawings

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

FIG. 2 is a schematic view of the structure of the reed of the present invention;

FIG. 3 is a schematic view of the locking member of the present invention;

fig. 4 is a schematic structural diagram of the plate body of the present invention.

In the figure: 1. a plate spring main body; 2. a plate body; 3. a spring body; 4. a reed; 5. a set screw; 6. a first nut; 7. an anti-migration strip; 8. a locking member; 9. a U-shaped frame; 10. a second nut; 11. a fixing rod; 12. a sliding plate; 13. an articulated arm; 14. mounting a plate; 15. a contact switch; 16. a contact block; 17. an early warning device; 18. a slide bar; 19. a spring; 20. adjusting the screw rod; 21. and (5) a compression block.

Detailed Description

Please refer to fig. 1-4, the utility model provides a leaf spring of excessive deformation early warning, including leaf spring main part 1, leaf spring main part 1 mainly comprises plate body 2 and spring body 3, spring body 3 comprises a plurality of reed 4 of laminating each other in proper order, 4 lower surfaces of reed of top all are fixed with anti-migration strip 7, a plurality of supplies anti-migration strip 7 male anti-migration slot has all been seted up to 4 upper surfaces of reed of below, utilize anti-migration strip 7's the cooperation of setting up to prevent the use of skew slot, can play fine anti-migration effect, make adjacent reed 4 when the stack laminating together stability better, and be difficult for appearing the skew phenomenon, it is effectual to prevent shifting.

The upper surface of the plate body 2 is fixed with a fixing screw 5, a plurality of through holes are formed in the positions of the reeds 4 opposite to the fixing screw 5, the top end of the fixing screw 5 penetrates through the plurality of through holes and is provided with a nut 6 in a threaded mode, a plurality of locking pieces 8 are arranged between the plurality of reeds 4, the locking pieces 8 mainly comprise U-shaped frames 9 and pressing blocks 21 arranged inside the U-shaped frames 9, strip-shaped slideways are formed in two vertical portions of the U-shaped frames 9, fixing rods 11 are arranged inside the strip-shaped slideways, one ends, penetrating through the pressing blocks 21 and the fixing rods 11 in a sliding mode, of the fixing rods 11 are provided with protruding portions, the protruding portions are attached to the side faces of the U-shaped frames 9 through the protruding portions, the upper surfaces of the pressing blocks 21 are attached to the lower surfaces of the reeds 4 at the bottom, the fixing rods 11 penetrate through the strip-shaped slideways to be matched with the pressing blocks 21, the reeds 4 with different quantities can be used in a stacking mode, and a good fixing effect can be achieved by the pressing blocks 21.

The other end surface of the fixing rod 11 is provided with a thread, the second nut 10 is installed on the thread, the side face of the second nut 10 is attached to the side face of the U-shaped frame 9, the second nut 10 is matched with the thread on the fixing rod 11 for use, a locking effect can be achieved through the second nut 10, and operation and adjustment are convenient.

The left and right sides of plate body 2 upper surface all is provided with sliding plate 12, the front and back both sides face of sliding plate 12 all articulates there is articulated arm 13, articulated arm 13's the other end is articulated mutually with reed 4 side of below, sliding plate 12 slidable mounting is in the sliding tray that plate body 2 upper surface was seted up, the inner wall of sliding tray is fixed with a plurality of slide bar 18, sliding plate 12 slidable mounting is at the surface of slide bar 18, the surface cover of slide bar 18 is equipped with the spring 19 that both ends are connected with sliding tray inner wall and sliding plate 12 respectively, sliding bar 18 sets up the cooperation sliding plate 12 and uses, can carry out spacing direction to sliding plate 12, make sliding plate 12 difficult the appearance when sliding tray slides and break away from the base, the setting of spring 19 then cooperates articulated arm 13 and sliding plate 12 to use the effect that plays a buffering protection.

One of them sliding tray is provided with mounting panel 14, the side that mounting panel 14 is close to homonymy sliding plate 12 is fixed with contact switch 15, sliding plate 12 is close to contact switch 15's position department and installs contact block 16, the last fixed surface of plate body 2 has the precaution device 17 with contact switch 15 electric connection, adjusting screw 20 is installed to the left surface screw thread of plate body 2, adjusting screw 20's one end is fixed with adjusting hand wheel, adjusting screw 20's the other end extend to the sliding tray in and with mounting panel 14 fixed connection, utilize adjusting screw 20's setting cooperation mounting panel 14 to use, adjusting screw 20 can order about mounting panel 14 when rotating and better at the sliding tray motion stability, and can carry out position control to contact switch 15 according to actual need, and then can carry out adaptability to bearing deformation and adjust the use.

When using, can order about sliding plate 12 to slide in the sliding tray under articulated effect between articulated arm 13 and sliding plate 12 when spring body 3 receives the deformation effect to appear warping, and then utilize sliding plate 12 to move the motion of drive touch-block 16, make touch-block 16 touch and start early warning ware 17 behind contact switch 15, reach the effect of an excessive deformation early warning, and contact switch 15's position can be adjusted through adjusting screw 20, and then can adjust the movement distance of sliding plate 12, thereby can carry out adaptability according to the limit value size of effort and adjust the use, high durability and convenient use, prevent that skew strip 7 cooperation prevents the skew slot use, can prevent the skew to a plurality of reeds 4, and utilize dead lever 11 cooperation U-shaped frame 9 and compact heap 21 to use, further come to connect fixedly to a plurality of reeds 4, the assembly stability is good, and the structure is easy to operate.

Claims

1. The utility model provides a leaf spring of excessive deformation early warning which characterized in that: comprises a plate spring main body (1), the plate spring main body (1) mainly comprises a plate body (2) and a spring body (3), the spring body (3) is composed of a plurality of reeds (4) which are sequentially attached to each other, the upper surface of the plate body (2) is fixed with a fixing screw (5), a plurality of through holes are arranged on the reed (4) at the position opposite to the fixing screw (5), the top end of the fixing screw (5) passes through the plurality of through holes and is provided with a first nut (6) in a threaded manner, a plurality of locking pieces (8) are arranged among the plurality of reeds (4), sliding plates (12) are arranged on the left side and the right side of the upper surface of the plate body (2), articulated arms (13) are hinged to the front side surface and the rear side surface of the sliding plate (12), the other end of the hinge arm (13) is hinged with the side surface of the spring leaf (4) at the lowest part, the sliding plate (12) is arranged in a sliding groove arranged on the upper surface of the plate body (2) in a sliding way, a mounting plate (14) is arranged in one of the sliding grooves, a contact switch (15) is fixed on the side surface of the mounting plate (14) close to the sliding plate (12) on the same side, a contact block (16) is arranged at the position of the sliding plate (12) close to the contact switch (15), an early warning device (17) electrically connected with the contact switch (15) is fixed on the upper surface of the plate body (2).

2. The excessive deformation early warning plate spring according to claim 1, wherein: the lower surface of the reed (4) above is fixed with anti-deviation strips (7), and the upper surface of the reed (4) below is provided with a plurality of anti-deviation slots for inserting the anti-deviation strips (7).

3. The excessive deformation early warning plate spring according to claim 1, characterized in that: retaining member (8) mainly comprise U-shaped frame (9) and setting compact heap (21) in U-shaped frame (9) inside, the bar slide has all been seted up to two vertical portions of U-shaped frame (9), and bar slide inside is provided with dead lever (11), dead lever (11) slide the one end that runs through compact heap (21) and dead lever (11) have the bulge and laminate mutually through the side of bulge with U-shaped frame (9), the upper surface and the reed (4) lower surface of below of compact heap (21) laminate mutually.

4. The excessive deformation early warning plate spring according to claim 1, wherein: a plurality of sliding rods (18) are fixed on the inner wall of the sliding groove, the sliding plates (12) are slidably mounted on the outer surfaces of the sliding rods (18), and springs (19) with two ends respectively connected with the inner wall of the sliding groove and the sliding plates (12) are sleeved on the outer surfaces of the sliding rods (18).

5. The excessive deformation early warning plate spring according to claim 1, wherein: adjusting screw (20) are installed to the left surface screw thread of plate body (2), the one end of adjusting screw (20) is fixed with adjusting hand wheel, the other end of adjusting screw (20) extend to in the sliding tray and with mounting panel (14) fixed connection.

6. The excessive deformation early warning plate spring according to claim 3, wherein: the other end surface of the fixing rod (11) is provided with a second nut (10) in a threaded manner, and the side surface of the second nut (10) is attached to the side surface of the U-shaped frame (9).