CN217898616U - Viscous damper with guide structure - Google Patents

Abstract

The utility model discloses a viscous damper with guide structure, including the outer cylinder body, first sealed head and sealed cowling are installed respectively to the both ends of outer cylinder body, the inside slidable mounting of outer cylinder body has the piston rod, the one end of piston rod extends to the outside of sealed cowling, the inside one end of outer cylinder body is fixed with the sealing ring, the outer wall of first sealed head and the other end of piston rod all are provided with the connecting piece, the one end that the piston rod is close to first sealed head is fixed with the projection, the outer peripheral face of projection is fixed with the piston head, the external diameter of piston head equals the internal diameter of outer cylinder body, the inside both ends of piston head are provided with the oilhole that supplies the liquid medium to flow. The utility model discloses reduce projection, piston rod and to the striking dynamics of outer cylinder inner wall, avoid the tip of piston rod to cause striking, damage to the inner wall of the outer cylinder body, prolong the life of attenuator to make the heat on the outer cylinder body derive fast, improve heat dissipation, the cooling efficiency of this attenuator.

Description

Viscous damper with guide structure

Technical Field

The utility model relates to a viscous damper technical field specifically is a viscous damper with guide structure.

Background

The viscous damper is manufactured according to the principle that fluid movement, particularly viscous resistance is generated when fluid passes through a throttling hole, and is a damper related to rigidity and speed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a viscous damper with guide structure to propose viscous damper in solving above-mentioned background art in the course of the work, the piston rod easily causes the slow problem of damage and cylinder body heat dissipation with the piston head to the cylinder body inner wall.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a viscous damper with guide structure, includes the outer cylinder body, first sealed head and sealed cowling are installed respectively to the both ends of outer cylinder body, the inside slidable mounting of outer cylinder body has the piston rod, and the one end of piston rod extends to the outside of sealed cowling, the inside one end of outer cylinder body is fixed with the sealing ring, the outer wall of first sealed head and the other end of piston rod all are provided with the connecting piece, the one end that the piston rod is close to first sealed head is fixed with the projection, the outer peripheral face of projection is fixed with the piston head, the external diameter of piston head equals the internal diameter of outer cylinder body, the inside both ends of piston head are provided with the oilhole that supplies liquid medium to flow, the piston head divide into first oil pocket and second oil pocket with the inside of outer cylinder body, be provided with direction shock-absorbing structure on the inner wall of outer cylinder body one side, the outer peripheral face of outer cylinder body is fixed with outer copper pipe, outer copper pipe's outer peripheral face is provided with rib heat radiation structure.

Preferably, the connecting piece is a horseshoe I and a horseshoe II, the horseshoe I is fixed on the outer wall of the first sealing head, and the horseshoe II is fixed at the other end of the piston rod.

Preferably, the rib heat radiation structure comprises two groups of outer rings and a plurality of groups of heat conduction aluminum strips, the two groups of outer rings are fixed at two ends of the surface of the outer copper pipe, the plurality of groups of heat conduction aluminum strips are fixed between the two groups of outer rings, and one side edge of each heat conduction aluminum strip is in contact with the outer surface of the outer copper pipe.

Preferably, direction shock-absorbing structure is for fixing the outer fixed cover on the outer cylinder body inner wall, the inside of outer fixed cover is fixed with the inner fixed cover, the inside slidable mounting of inner fixed cover has the sliding sleeve, the inner wall elastic connection of sliding sleeve and outer fixed cover, be fixed with the dog on the outer wall of sliding sleeve one side, the central line of dog and the central line of projection are on same water flat line.

Preferably, the one end that the sliding sleeve is close to outer fixed cover inner wall is provided with interior concave part, the internally mounted of interior concave part has the spring main part, and the spring main part is kept away from the one end of interior concave part and the inner wall fixed connection of outer fixed cover.

Preferably, the outer peripheral surface of the piston head is provided with two sets of annular inner grooves.

Compared with the prior art, the beneficial effects of the utility model are that: this viscous damper with guide structure is through being provided with the structure of mutually supporting such as direction shock-absorbing structure and outer copper pipe, when external acting force is stronger, the projection is with keeping off the head contact, make the sliding sleeve remove towards the inner wall of outer fixed cover, and carry out the shock attenuation through the spring main part, the energy-absorbing, reduce the projection, the impact dynamics of piston rod to outer cylinder body inner wall, avoid the tip of piston rod to cause the striking to the inner wall of outer cylinder body, the damage, after this viscous damper works for a long time, first oil pocket, a large amount of heat energy are collected to the liquid medium in the second oil pocket, this part heat energy transfer is to on the outer cylinder body, outer copper pipe conducts this part heat to outer loop and heat conduction aluminium strip this moment, make the heat on the outer cylinder body derive fast, improve the heat dissipation of this damper, cooling efficiency.

Drawings

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

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

fig. 3 is a schematic view of the front view cross-sectional structure of the present invention;

FIG. 4 is an enlarged structural view of the guiding shock-absorbing structure of the present invention;

in the figure: 1. an outer cylinder body; 101. a first oil chamber; 102. a second oil chamber; 2. a first sealing head; 201. a first horseshoe; 3. a sealing cover; 4. a piston rod; 401. a convex column; 5. a horseshoe II; 6. an outer copper tube; 7. an outer ring; 8. a thermally conductive aluminum strip; 9. a guide shock-absorbing structure; 901. an outer fixing sleeve; 902. an inner fixing sleeve; 903. a sliding sleeve; 904. an inner concave portion; 905. a spring body; 906. a stopper; 10. a seal ring; 11. a piston head; 1101. an oil hole; 1102. an inner groove.

Detailed Description

The technical solution 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a viscous damper with a guide structure comprises an outer cylinder body 1, wherein a first sealing head 2 and a sealing cover 3 are respectively arranged at two ends of the outer cylinder body 1, a piston rod 4 is slidably arranged in the outer cylinder body 1, one end of the piston rod 4 extends to the outside of the sealing cover 3, a sealing ring 10 is fixed at one end of the inner part of the outer cylinder body 1, connecting pieces are arranged on the outer wall of the first sealing head 2 and the other end of the piston rod 4, the connecting pieces are a horseshoe I201 and a horseshoe II 5, the horseshoe I201 is fixed on the outer wall of the first sealing head 2, and the horseshoe II 5 is fixed at the other end of the piston rod 4;

a convex column 401 is fixed at one end of the piston rod 4 close to the first sealing head 2, a piston head 11 is fixed on the outer circumferential surface of the convex column 401, when the piston rod 4 and the piston head 11 move relative to the outer cylinder body 1, the liquid medium sealed in the first oil cavity 101 at the pressed side is extruded, and the liquid pressure is increased;

the outer diameter of the piston head 11 is equal to the inner diameter of the outer cylinder body 1, and two groups of annular inner grooves 1102 are formed in the outer peripheral surface of the piston head 11;

the two ends of the interior of the piston head 11 are provided with oil holes 1101 for liquid medium to flow, the interior of the outer cylinder body 1 is divided into a first oil cavity 101 and a second oil cavity 102 by the piston head 11, the inner wall of one side of the outer cylinder body 1 is provided with a guide damping structure 9, liquid flows into the second oil cavity 102 from the oil holes 1101 of the piston head 11, the pressure difference of the two oil cavities forms the movement resistance to the piston rod 4 and the piston head 11, and the mechanical energy is converted into heat energy by applying work, so that the purpose of absorbing external energy is achieved, and damping action is completed;

the guiding shock absorption structure 9 is an outer fixing sleeve 901 fixed on the inner wall of the outer cylinder body 1, an inner fixing sleeve 902 is fixed inside the outer fixing sleeve 901, a sliding sleeve 903 is slidably mounted inside the inner fixing sleeve 902, the sliding sleeve 903 is elastically connected with the inner wall of the outer fixing sleeve 901, a stopper 906 is fixed on the outer wall of one side of the sliding sleeve 903, and the center line of the stopper 906 and the center line of the convex column 401 are on the same horizontal line;

an inner concave part 904 is arranged at one end, close to the inner wall of the outer fixing sleeve 901, of the sliding sleeve 903, a spring main body 905 is installed inside the inner concave part 904, one end, far away from the inner concave part 904, of the spring main body 905 is fixedly connected with the inner wall of the outer fixing sleeve 901, when external acting force is strong, the convex column 401 is in contact with the blocking head 906, the blocking head 906 and the sliding sleeve 903 move towards the inner wall of the outer fixing sleeve 901 together, and then the spring main body 905 is in a compression state, so that the impact strength of the convex column 401 and the piston rod 4 on the inner wall of the outer cylinder body 1 is further reduced, and the impact and damage of the end part of the piston rod 4 on the inner wall of the outer cylinder body 1 are avoided;

after the piston rod 4 is automatically reset, the guide shock absorption structure 9 is restored to the initial state, so that the internal working damage of the viscous damper during operation is effectively reduced, and the service life of the viscous damper is prolonged;

an outer copper pipe 6 is fixed on the outer peripheral surface of the outer cylinder body 1, a rib heat dissipation structure is arranged on the outer peripheral surface of the outer copper pipe 6, when the viscous damper works for a long time, a large amount of heat energy is accumulated in liquid media in the first oil cavity 101 and the second oil cavity 102, and part of heat energy is transferred to the outer cylinder body 1;

rib heat radiation structure is two sets of outer loops 7 and a plurality of groups heat conduction aluminium strip 8, two sets of outer loops 7 are fixed at the both ends on 6 surfaces of outer copper pipe, a plurality of groups heat conduction aluminium strip 8 are fixed between two sets of outer loops 7, a side of heat conduction aluminium strip 8 and the surface of outer copper pipe 6 contact each other, outer copper pipe 6 conducts this part heat to outer loop 7 and heat conduction aluminium strip 8 on, a plurality of groups heat conduction aluminium strip 8 play increase outer copper pipe 6, outer loop 7 and the effect of 1 heat radiating area of outer cylinder body, thereby make the heat on the outer cylinder body 1 derive fast, improve the heat dissipation of this attenuator, cooling efficiency.

When the viscous damper is used, when the piston rod 4 and the piston head 11 move relative to the outer cylinder body 1, a liquid medium sealed in the first oil chamber 101 on the pressed side is squeezed, the liquid pressure rises, liquid flows into the second oil chamber 102 from the oil hole 1101 of the piston head 11, the pressure difference between the two oil chambers forms movement resistance to the piston rod 4 and the piston head 11, acting converts mechanical energy into heat energy, and therefore the purpose of absorbing external energy is achieved, namely, damping action is completed, when external acting force is strong, the convex column 401 is in contact with the blocking head 906, so that the blocking head 906 and the sliding sleeve 903 move towards the inner wall of the outer fixing sleeve 901 together, and the spring main body 905 is in a compressed state, and therefore the impact force of the convex column 401 and the piston rod 4 on the inner wall of the outer cylinder body 1 is further reduced, the end of the piston rod 4 impacts and damages on the inner wall of the outer cylinder body 1 are avoided, after the piston rod 4 automatically resets, the guiding damping structure 9 is restored to an initial state, thereby effectively reducing the working damage of the viscous damper inside during operation, prolonging the service life of the viscous damper, after the viscous damper works, the liquid medium in the first oil chamber 101 and the second oil chamber 102 acts on the outer ring, the outer ring 6, and the heat conducting copper pipe 6, and the outer ring 6, thereby increasing the heat conducting area of the outer ring 6 and the outer ring 8, and increasing the heat conducting area of the heat conducting copper pipe 8 on the heat conducting tube, and the heat conducting tube, thereby increasing the heat conducting tube 8.

Claims (6)

1. The utility model provides a viscous damper with guide structure which characterized in that: including outer cylinder body (1), first sealing head (2) and sealed cowling (3) are installed respectively to the both ends of outer cylinder body (1), the inside slidable mounting of outer cylinder body (1) has piston rod (4), and the one end of piston rod (4) extends to the outside of sealed cowling (3), the inside one end of outer cylinder body (1) is fixed with sealing ring (10), the outer wall of first sealing head (2) and the other end of piston rod (4) all are provided with the connecting piece, one end that piston rod (4) are close to first sealing head (2) is fixed with projection (401), the outer peripheral face of projection (401) is fixed with piston head (11), the external diameter of piston head (11) equals the internal diameter of outer cylinder body (1), the inside both ends of piston head (11) are provided with oil hole (1101) that supply liquid medium to flow, piston head (11) divide into first oil pocket (101) and second oil pocket (102) with the inside of outer cylinder body (1), be provided with direction cylinder body shock-absorbing structure (9) on the inner wall of outer cylinder body (1) one side, the outer copper pipe (6) outer peripheral face is fixed with heat dissipation copper pipe (6).

2. The viscous damper with guide structure of claim 1, wherein: the connecting piece is a horseshoe I (201) and a horseshoe II (5), the horseshoe I (201) is fixed on the outer wall of the first sealing head (2), and the horseshoe II (5) is fixed at the other end of the piston rod (4).

3. The viscous damper with a guide structure of claim 1, wherein: the rib heat dissipation structure comprises two groups of outer rings (7) and a plurality of groups of heat conduction aluminum strips (8), the outer rings (7) are fixed at two ends of the surface of the outer copper pipe (6), the heat conduction aluminum strips (8) are fixed between the outer rings (7), and one side edge of each heat conduction aluminum strip (8) is in contact with the outer surface of the outer copper pipe (6).

4. The viscous damper with guide structure of claim 1, wherein: the guide damping structure (9) is an outer fixing sleeve (901) fixed on the inner wall of the outer cylinder body (1), an inner fixing sleeve (902) is fixed inside the outer fixing sleeve (901), a sliding sleeve (903) is slidably mounted inside the inner fixing sleeve (902), the sliding sleeve (903) is elastically connected with the inner wall of the outer fixing sleeve (901), a blocking head (906) is fixed on the outer wall of one side of the sliding sleeve (903), and the central line of the blocking head (906) and the central line of the convex column (401) are on the same horizontal line.

5. The viscous damper with guide structure of claim 4, wherein: an inner concave part (904) is arranged at one end, close to the inner wall of the outer fixing sleeve (901), of the sliding sleeve (903), a spring main body (905) is installed inside the inner concave part (904), and one end, far away from the inner concave part (904), of the spring main body (905) is fixedly connected with the inner wall of the outer fixing sleeve (901).

6. The viscous damper with guide structure of claim 1, wherein: two groups of annular inner grooves (1102) are formed in the outer peripheral surface of the piston head (11).

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