CN211117326U - Shock attenuation inner core assembly - Google Patents

Abstract

The utility model discloses a shock attenuation inner core assembly, including the core print, and can dismantle 2 mount pads of being connected with the core print, the mount pad is equipped with the portion of slideing, the fixed orifices, and have helicitic texture's connecting hole, be equipped with the screw with connecting hole threaded connection in the connecting hole, a spring, and the slidable bolt, the core print includes the main tributary, first supporting station, the second brace table, the main tributary is prismatic shape and is equipped with 4 depressed parts, the central point of main tributary puts and is equipped with the shaft hole, first supporting station and second brace table symmetry set up in the core print both sides, first supporting station is equipped with first fixed slot, can hold the draw-in groove of the portion of slideing, be equipped with the pinhole that can supply the bolt to penetrate in the draw-in groove, the second brace table is equipped with the second fixed slot, the screw hole, threaded hole is equipped with the. The utility model discloses the core print can fasten in the car, has still set up the mount pad that is used for installing the car annex.

Description

Shock attenuation inner core assembly

Technical Field

The utility model belongs to the technical field of auto-parts and specifically relates to a shock attenuation inner core assembly is related to.

Background

The shock absorber is a device for accelerating the attenuation of the vibration of the frame and the vehicle body so as to improve the running smoothness (comfort) of the vehicle, the shock absorber is arranged in the suspension system of most vehicles, most of the shock absorbers adopted in the suspension system of the vehicles are hydraulic shock absorbers, the working principle is that when the frame (or the vehicle body) and the vehicle axle are vibrated to generate relative motion, a piston in the shock absorber moves up and down, oil in a cavity of the shock absorber repeatedly flows into the other cavity from one cavity through different pores, and at the moment, the friction between a hole wall and the oil and the friction in liquid molecules form damping force to the vibration, so that the vibration energy of the vehicle body and the frame is converted into heat energy, absorbed by the oil and a shell of the shock absorber and then is dispersed into the atmosphere. The damping force of the shock absorber increases and decreases along with the increase and decrease of the relative speed of the vehicle frame and the vehicle axle (or the vehicle wheel), and is related to the viscosity of oil. The viscosity of the oil used for the shock absorber is required to be affected as little as possible by temperature changes; and has the performances of vaporization resistance, oxidation resistance, no corrosion to various metal and non-metal parts and the like.

As shown in fig. 1, a shock absorbing core 100 is used in a previously designed automobile, the shock absorbing core 100 is provided with a rotating shaft hole 101 and a bolt hole 102, the rotating shaft is installed in the rotating shaft hole 101, and the shock absorbing core is fixed on the automobile body after a bolt is screwed into the bolt hole 102.

Disclosure of Invention

The utility model aims to solve the technical problem that a shock attenuation inner core subassembly has set up two screw holes, first fixed slot, second fixed slot on the core print, is convenient for fasten the core print in the car, has still set up the mount pad that is used for installing the car annex.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a shock-absorbing inner core assembly comprises a core holder and 2 mounting holders detachably connected with the core holder, wherein the mounting holders are provided with sliding parts, fixing holes and connecting holes with a threaded structure, the connecting holes are internally provided with screws, springs and slidable bolts which are in threaded connection with the connecting holes, the core holder comprises a main holder, a first supporting table and a second supporting table, the main holder is prism-shaped and is provided with 4 concave parts, the central position of the main holder is provided with a shaft hole, the first supporting table and the second supporting table are symmetrically arranged on two sides of the core holder, the first supporting table is provided with a first fixing groove and a clamping groove which can accommodate the sliding parts, the clamping groove is internally provided with a pin hole for the bolt to penetrate, the second supporting table is provided with a second fixing groove and a threaded hole, the threaded hole is internally provided with a push rod which can push the bolts out of the pin hole, the push rod is in threaded connection with the threaded hole.

As a further improvement of the utility model, the clamping groove is provided with a cover plate which can cover the sliding part. The cover plate can cover the sliding part of the mounting seat to play a role in limiting.

As a further improvement of the utility model, the sliding part is provided with a blocking rib. The position of the mounting seat can be limited by the blocking rib, and after the bolt is inserted into the pin hole, the mounting seat can be blocked by the blocking rib and can not move.

As the utility model discloses further improve, the push rod be equipped with screw thread portion and pole portion, screw thread portion and screw hole threaded connection, pole portion can penetrate in the pinhole, screw thread portion diameter be greater than pole portion diameter. After the threaded part is screwed into the threaded hole, the rod part of the push rod is inserted into the pin hole.

As a further improvement of the utility model, the main seat is provided with a limit groove. Because one of them connecting piece in the car and spacing groove joint, so the spacing groove can play spacing fixed effect to the main tributary seat.

As a further improvement of the utility model, the main seat is provided with a guide part and a tapered conical groove at one end of the shaft hole. A connecting shaft is arranged in a shaft hole of the main seat, and in order to enable the connecting shaft to be inserted smoothly, a guide part with a chamfer structure is arranged at one end of the shaft hole; the connecting shaft is provided with a boss matched with the shape of the conical groove, and the boss can be clamped in the conical groove.

As a further improvement, the bolt is provided with a pin shoulder, and a small jack is arranged in the connecting hole. In order to prevent the whole bolt from being pushed into the pin hole by the spring, a pin shoulder arranged on the bolt is positioned in the connecting hole, and the front end of the bolt is positioned in the small insertion hole.

The utility model has the advantages of the core print can fasten in the car, has still set up the mount pad that is used for installing the car annex. The method comprises the following steps: the core seat is fixed in the automobile in a mode that the push rod is screwed into the threaded hole, and the first fixing groove, the second fixing groove, the first supporting table and the second supporting table can play a role in limiting at the same time; the mounting seat is mainly used for mounting accessories of an automobile, and the requirements are that after the mounting seat is mounted in the core seat, ordinary people cannot be dismounted, but professional technicians can realize dismounting of the mounting seat in a mode that the bolt is pushed out of the pin hole by the push rod, namely after the push rod is screwed into the threaded hole, the front end of the push rod pushes the bolt out of the pin hole, so that the sliding part of the mounting seat can be dismounted from the clamping groove of the core seat; the 4 concave parts can reduce the weight and the cost, and if necessary, convex parts with the same shapes as the concave parts can be made in the automobile, so that the concave parts can also be used for positioning the core print seat; the shaft hole is used for mounting one of the connecting shafts in the automobile.

Drawings

FIG. 1 is a schematic view of a cushion core;

FIG. 2 is an exploded view of the present invention;

fig. 3 is a schematic sectional view of the present invention installed on the base plate of the automobile.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 2-3: a shock absorption inner core assembly comprises a core print 200 and 2 installation bases 8 detachably connected with the core print 200, wherein the installation bases 8 are provided with a sliding part 80, a fixing hole 83 and a connecting hole 82 with a thread structure, a screw 7 in threaded connection with the connecting hole 82, a spring 6 and a slidable bolt 5 are arranged in the connecting hole 82, the core print 200 comprises a main print 2, a first supporting platform 3 and a second supporting platform 1, the main print 2 is prism-shaped and is provided with 4 concave parts 24, the central position of the main print 2 is provided with a shaft hole 23, the first supporting platform 3 and the second supporting platform 1 are symmetrically arranged at two sides of the core print 200, the first supporting platform 3 is provided with a first fixing groove 30 and a clamping groove 33 capable of accommodating the sliding part 80, the clamping groove 33 is internally provided with a pin hole 31 for the bolt 5 to penetrate, the second supporting platform 1 is provided with a second fixing groove 11 and a threaded hole 12, the threaded hole 12 is internally provided with a push rod 4 capable of pushing the, the push rod 4 is in threaded connection with the threaded hole 12.

The locking groove 33 is provided with a cover plate 32 which can cover the sliding part 80.

The sliding portion 80 is provided with a rib 81.

The push rod 4 is provided with a thread part 40 and a rod part 41, the thread part 40 is in threaded connection with the threaded hole 12, the rod part 41 can penetrate into the pin hole 31, and the diameter of the thread part 40 is larger than that of the rod part 41.

The main seat 2 is provided with a limiting groove 20.

The main base 2 is provided with a guide portion 22 and a tapered groove 21 at one end of the shaft hole 23.

The bolt 5 is provided with a shoulder 50 and a small socket 84 is arranged in the connecting hole 82.

The utility model discloses a use method is: the core print 200 is installed at the base plate 300 of the automobile through two push rods 4, and a connecting shaft (not shown in the drawings) can be installed in the shaft hole 23 of the core print 200, wherein one connecting piece (not shown in the drawings) in the automobile has a shape and a structure corresponding to the first fixing groove 30, the second fixing groove 11 and the limiting groove 20, and after the connecting piece is fastened and connected with the core print 200, the first fixing groove 30, the second fixing groove 11 and the limiting groove 20 have the function of limiting and fixing; the bolt 5, the spring 6 and the screw 7 are sequentially arranged in a connecting hole 82 of the mounting seat 8, then the mounting seat 8 is fixedly connected with other accessories in the automobile in a mode that the bolt is screwed into a fixing hole 83, a sliding part 80 of the mounting seat 8 is arranged in a clamping groove 33, a cover plate 32 is buckled and pressed on the sliding part 80, the bolt 5 is contracted into the connecting hole 82 at the moment, the spring 6 is compressed, when the sliding part 80 is pushed to the end of the clamping groove 33, the bolt 5 is pushed into a pin hole 31 by the spring 6 to complete the fixed connection of the core print 200 and the mounting seat 8, and the function of unidirectional installation is realized (the core print 200 and the mounting seat 8 can only be installed and cannot be detached, so that ordinary people can be prevented from detaching the mounting seat 8 from the core print 200 at; the disassembly process can only be completed by a technician: namely, the push rod 4 is unscrewed, the core print 200 is detached from the base plate 300 of the automobile, and then the push rod 4 is screwed into the threaded hole 12 and the plug pin 5 is pushed out of the pin hole 31, so that the mounting base 8 can be detached from the clamping groove 33 of the core print 200.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (7)

1. A damping inner core assembly is characterized by comprising a core holder and 2 mounting holders detachably connected with the core holder, wherein each mounting holder is provided with a sliding part, a fixing hole and a connecting hole with a threaded structure, the connecting hole is internally provided with a screw, a spring and a slidable bolt which are in threaded connection with the connecting hole, each core holder comprises a main holder, a first supporting table and a second supporting table, the main holder is prism-shaped and is provided with 4 concave parts, the central position of the main holder is provided with a shaft hole, the first supporting table and the second supporting table are symmetrically arranged on two sides of the core holder, the first supporting table is provided with a first fixing groove and a clamping groove capable of accommodating the sliding part, the clamping groove is internally provided with a pin hole for the bolt to penetrate, the second supporting table is provided with a second fixing groove and a threaded hole, the threaded hole is internally provided with a push rod capable of ejecting the bolt out of the pin hole, the push rod is in threaded connection with the threaded hole.

2. The shock absorbing core assembly as set forth in claim 1, wherein said locking groove is provided with a cover plate for covering said runner.

3. A shock absorbing core assembly as set forth in claim 1, wherein said runners are provided with ribs.

4. A shock absorbing core assembly as set forth in claim 1, wherein said push rod is provided with a threaded portion and a shank portion, said threaded portion being threadably engaged with said threaded bore, said shank portion being insertable into said pin bore, said threaded portion having a diameter greater than a diameter of said shank portion.

5. The shock absorbing core assembly as set forth in claim 1, wherein said main seat is provided with a limiting groove.

6. The damped core assembly according to claim 1 wherein said main seat is formed with a pilot portion and a tapered recess at one end of said axial bore.

7. A shock absorbing core assembly as claimed in claim 1, wherein said spigot has a shoulder and said connecting hole has a small socket.

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