CN201723634U - Shock absorber - Google Patents

Abstract

The utility model discloses a shock absorber contains an effect spare and a holding piece, wherein: the actuating piece is provided with a piston with a first driven rod and a second driven rod at opposite ends, the accommodating piece is provided with a first pipe with a first leakage stop plug and a second leakage stop plug at opposite ends, the first driven rod, the piston and the second driven rod are arranged in the first pipe, the first driven rod penetrates through the first leakage stop plug, the second driven rod penetrates through the second leakage stop plug, and the piston is guided by the first leakage stop plug and the second leakage stop plug to move through the first driven rod and the second driven rod respectively. The shock absorber can achieve the shock absorbing effect so as to reduce the earthquake damage.

Description

Shock Absorbers

technical field

The utility model relates to a shock absorber, in particular to a shock absorber with high stability. the

Background technique

At present, although Taiwan has a general understanding of earthquakes, it cannot accurately grasp when and where earthquakes will occur. We are in such a turbulent geological environment, and it is impossible to prevent earthquakes from happening. However, how to develop shock absorbers? Products to reduce earthquake damage is the current research and development focus. the

Utility model content

The technical problem to be solved by the utility model is to provide a shock absorber to reduce earthquake damage. the

The utility model adopts the following technical solutions:

A shock absorber, which includes a moving part and a housing part, the moving part has a piston, the opposite ends of the piston are respectively provided with a first driven rod and a second driven rod, and the piston forms at least one Flow-limiting passage; the container has a first tube, the first driven rod, the piston and the second driven rod are placed in the first tube, and a second guide hole is provided at the two ends of the first tube. A stopper and a second stopper with a guide hole, the first driven rod passes through the guide hole of the first stopper to cooperate with a first joint, the second follower rod passes through The guide hole of the second anti-leakage plug cooperates with a second joint, so that the piston can be stably displaced in the first tube. the

A first stopper and a second stopper are formed on the outer wall of the first stopper, and the first stopper is stuck in one end of the first pipe through the first stopper, and a second stopper is formed on the outer wall The first stopper and a second stopper, the second stopper is stuck in the other end of the first tube through the first stopper, the first tube and the first stopper and the second stopper The plug fits together to form an accommodating space, the first tube is placed in a second tube, the outer wall of the first stopper is locked in one end of the second tube through the second contact part, and the outer wall of the second stopper passes through the second The two contact parts are clamped in the other end of the second tube. the

The second anti-leakage plug is provided with a combination part beside the first contact part, and the combination part is provided with a flow limiting piece and a limit ring, and the flow limiting piece has a guide hole pierced opposite to the combination part, and the guide hole There is at least one flow restricting port around, and the limiting ring forms a positioning hole locked relative to the combination part. The positioning hole of the limiting ring is combined relative to the combination part of the second anti-leakage plug. A tube cooperates to form a second accommodating space, and the second stopper has at least one flow-restricting channel respectively communicating with the first accommodating space and the second accommodating space. the

The combination part of the second stopper is provided with a blocking piece and a spring between the flow limiting piece and the limiting ring. The blocking piece has an introduction hole for the combination part to pass through. part, and bounce against the blocking piece and the limiting ring. the

One end of the first driven rod of the actuator is formed with a combined concave, one end of the second driven rod is formed with a combined convex, and the piston is formed with a limiting hole in the axial direction, and the limited hole of the piston is used for the second driven The combination protrusion of the rod is pierced and assembled with the combination concave of the first driven rod in a detachable manner, and the piston forms at least one flow-limiting channel around the position-limiting hole; and

The first driven rod, the piston and the second driven rod of the container are placed in the first tube, and the two ends of the first tube are respectively provided with a first anti-leak plug with a guide hole and a stopper with a guide hole. The second anti-leak plug, the first driven rod passes through the guide hole of the first anti-leak plug and is combined with a first joint, the second driven rod passes through the guide hole of the second anti-leak plug and is combined with a first joint. Second connector combination. the

The outer wall of the first stopper is formed with a first abutment and a second abutment, the first stopper is stuck in one end of the first pipe through the first abutment, and the outer wall of the second stopper is formed with a The first stopper and a second stopper, the second stopper is stuck in the other end of the first tube through the first stopper, the first tube and the first stopper and the second stopper The plug fits together to form an accommodating space, the first tube is placed in a second tube, the outer wall of the first stopper is locked in one end of the second tube through the second contact part, and the outer wall of the second stopper passes through the second The two contact parts are clamped in the other end of the second tube. the

The second anti-leakage plug is provided with a combination part beside the first contact part, and the combination part is provided with a flow limiting piece and a limit ring, and the flow limiting piece has a guide hole pierced opposite to the combination part, and the guide hole There is at least one flow restricting port around, and the limiting ring forms a positioning hole locked relative to the combination part. The positioning hole of the limiting ring is combined relative to the combination part of the second anti-leakage plug. A tube cooperates to form a second accommodating space, and the second stopper has at least one flow-restricting channel respectively communicating with the first accommodating space and the second accommodating space. the

The combination part of the second stopper is provided with a blocking piece and a spring between the flow limiting piece and the limiting ring. The blocking piece has an introduction hole for the combination part to pass through. part, and bounce against the blocking piece and the limit ring;

In addition, the combined concave inner wall of the first driven rod has a radially penetrated screw hole, and the end of the first joint close to the first driven rod has a radially penetrated screw hole;

A countersunk screw is screwed in the screw hole of the first driven rod and the screw lock hole of the first joint respectively. the

The piston is mainly provided with a groove on both ends of the axial direction, and a plurality of flow-limiting channels are axially opened around the axial limiting hole; , sequentially set a disk spring and a gasket on the actuator and place them in each of the grooves of the piston, and cover the opening of each of the grooves with two restrictors, and each of the limiters The axial eccentric ring of the flow member is provided with a plurality of restrictors, and corresponding to the restrictor is provided with a plurality of auxiliary restrictors with a diameter larger than the restrictor, and each of the auxiliary restrictors is located between the restrictor and the working port. Between the moving parts, each of the restrictors communicates with each of the corresponding auxiliary restrictors in each of the grooves, and each of the gaskets is pressed against each of the auxiliary by the elastic force of each of the disc springs. restrictor port. the

The spring is a disc spring, coil spring or leaf spring. the

The beneficial effect of the utility model is that: the shock absorber can achieve a shock absorbing effect to reduce earthquake damage; the shock absorber can be used in fields such as locomotive shock absorbers or automobile shock absorbers. the

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail:

Fig. 1 is an exploded schematic view of the utility model. the

Fig. 2 is a combined schematic diagram 1 of the present utility model. the

Fig. 3 is a schematic diagram of the first combination embodiment of the present invention. the

Fig. 4 is a schematic diagram of a second combination embodiment of the present invention. the

Fig. 5 is a schematic diagram of a third combined embodiment of the present invention. the

Fig. 6 is a schematic diagram of the use state of the utility model. the

The reference signs in the figure are as follows:

10 is the moving part

11 is the first follower lever 111 is the combination concave

112 is the screw hole

12 is the second follower lever 121 is the combination convex

13 is the piston 131 is the limit hole

132 is a flow limiting channel 133 is a wear ring

134 is a capacity tank 135 is a flow-limiting channel

136 is a current limiting piece 1360 is a current limiting port

1361 is the auxiliary restrictor port

30 is a container

31 is the first tube 32 is the first stopper

321 is the guide hole 322 is the first arrival part

323 is the second arrival part 324 is the wear ring

33 is the second stopper 331 is the guide hole

332 is the first arrival part 333 is the second arrival part

334 is the assembly part 335 is the wear ring

336 is the flow limiting channel 34 is the second tube

35 is the first joint 351 is the screw lock hole

36 is the second connector 361 is the guide groove

40 is a current limiter 41 is a through hole

42 is a restrictor port 50 is a blocking piece

51 is the introduction hole 60 is the spring

70 is a limit ring 71 is a positioning hole

80 is countersunk head screw 90 is spring

100 is the spacer

A is the first storage space B is the second storage space

Detailed ways

Please refer to Figure 1 to Figure 6 for the embodiment of the utility model:

The shock absorber of the utility model includes a moving part 10 and a receiving part 30;

The actuator 10 has a first driven rod 11, a second driven rod 12 and a piston 13, wherein: one end of the first driven rod 11 in the axial extension direction forms a combined concave 111, the combined concave The inner wall of 111 has a threaded section and a threaded hole 112 that penetrates radially. One end of the second driven rod 12 cooperates with the combined concave 111 to form a combined convex 121. The outer wall of the combined convex 121 in the axial direction has a threaded section. The combined protrusion 121 of the two driven rods 12 cooperates with the combined concave 111 of the first driven rod 11, and a limiting hole 131 is formed in the axial center of the piston 13, and the limiting hole 131 of the piston 13 is used for the second driven rod 11. The combination protrusion 121 of the driven rod 12 is pierced, so that one end of the combined protrusion 121 of the second driven rod 12 is exposed for the combination concave 111 of the first driven rod 11 to be locked, so that the first driven rod 11 and the first driven rod 11 can be locked. The second driven rod 12 is arranged on the piston 13, and the piston 13 axially eccentrically forms two flow-limiting passages 132, so that the flow-limiting passage 132 is arranged around the limiting hole 131, and the outer wall of the piston 13 is embedded with two intervals. Wear ring 133. the

The container 30 has a first tube 31, a first stopper 32, a second stopper 33 and a second tube 34, wherein: the first tube 31 is used for the first part of the actuator 10 The driven rod 11, the second driven rod 12 and the piston 13 are accommodated so that the piston 13 of the actuator 10 is tightly contacted against the inner wall of the first tube 31 of the accommodating part 30 through the wear-resistant ring 133. A guide hole 321 is formed in the axial direction of the stopper 32. The outer wall of the first stopper 32 is sequentially formed with a first contact portion 322 and a second contact part 323. The first contact portion of the first stopper 32 The outer wall of 322 and the outer wall of the second contact portion 323 are respectively embedded with two wear-resistant rings 324, and the first stop plug 32 is stuck in one end of the first tube 31 through the first contact portion 322, so that the first stop plug 32 The wear-resistant ring 324 passing through the first contact portion 322 is tightly against the inner wall of the first pipe 31, and allows the guide hole 321 of the first anti-leakage plug 32 to pass through the first driven rod 11 and be exposed to a first The joint 35 is matched, and the end of the first joint 35 close to the first driven rod 11 has a screw hole 351 radially penetrated, the first joint 35 and the exposed end of the first driven rod 11 are interlocked, the aforementioned The second contact portion 323 of the first stopper 32 is used to cooperate with the second tube 34 . the

The second anti-leakage plug 33 forms a guide hole 331 in the axial direction, and the outer wall of the second anti-leakage plug 33 forms a first abutting portion 332, a second abutting portion 333 and a combination portion 334, wherein: the second anti-leakage plug 33 Two wear-resistant rings 335 are respectively embedded on the outer wall of the first abutting portion 332 and the outer wall of the second abutting portion 333 of the leak plug 33 , and the second anti-leakage plug 33 is locked in the other end of the first tube 31 through the first abutting portion 332 , make the second anti-leakage plug 33 closely contact the inner wall of the first pipe 31 through the wear-resistant ring 335 of the first abutting portion 332, and let the guide hole 331 of the second anti-leakage plug 33 provide the second driven rod 12 is pierced and exposed to cooperate with a second joint 36, and the second contact portion 333 of the aforementioned second stopper 33 is used to cooperate with the second pipe 34;

The combination part 334 of the second stopper 33 cooperates with a flow limiting piece 40, a blocking piece 50, a spring 60 and a limit ring 70, wherein: the flow limiting piece 40 has a hole for the combination part 334 to pass through. The guide hole 41 is provided with two restrictors 42 around the guide hole 41. The barrier sheet 50 has an introduction hole 51 for the combination part 334 to pass through. The limiting ring 70 forms a positioning hole 71 in the axial direction. The inner wall of the positioning hole 71 has a threaded section, and the positioning hole 71 of the limiting ring 70 is locked relative to the combination part 334 of the second anti-leakage plug 33, so that the limiting ring 70 is pressed against the spring 60, and the blocking piece 50 and the The flow-limiting piece 40 is bounced by the spring 60 again, and the second stop-leakage plug 33 has two flow-limiting channels 336, and each flow-limiting channel 336 runs through one end of the second stop-leakage plug 33 and the second stop-leakage stopper 33 at the same time. The side of the plug 33 is molded, and the aforementioned two flow limiting passages 336 are not connected. the

The two ends of the first tube 31 are respectively combined with the first stopper 32 and the second stopper 33 to form a first accommodating space A, and the diameter of the second tube 34 is larger than the diameter of the first tube 31, so that The first pipe 31 is accommodated in the second pipe 34, and the second contact portion 323 of the first anti-leakage plug 32 and the second abutment portion 333 of the second anti-leakage plug 33 are locked on the first anti-leakage plug respectively. In the second pipe 34, make the wear-resistant ring 324 of the first anti-leakage plug 32 on the second contact portion 323 and the wear-resistant ring 335 of the second anti-leakage plug 33 on the second contact portion 333 tightly contact the second pipe respectively. 34 inner wall, one axial end of the second joint 36 is clamped on the inner wall of the second pipe 34 and abuts against the second stopper 33, and the other axial end of the second joint 36 is exposed outside the second pipe 34 , and the second joint 36 is formed relative to the guide hole 331 of the second anti-leakage plug 33 to match the guide hole 331 of the second anti-leakage plug 33 to guide the displacement of the second driven rod 12 of the actuator 10 Guide groove 361;

A second accommodating space B is formed between the first tube 31 and the second tube 34, and the flow-restricting passages 336 of the second stopper 33 communicate with the first accommodating space A and the second accommodating space respectively. The space B is in communication, the first accommodation space A and the second accommodation space B of the accommodation part 30 are pre-filled with an appropriate amount of buffer fluid, the first driven rod 11 is set at a predetermined position through the first joint 35, and the shock absorber The first joint 35 of the device, the first driven rod 11, the piston 13 and the second driven rod 12 are movable components; the second driven rod 12 is arranged at a predetermined position through the second joint 36, and the shock absorber The second joint 36, the first pipe 31, the first anti-leakage plug 32, the second anti-leakage plug 33 and the second pipe 34 are non-movable components, so that the actuating part 10 of the shock absorber is placed in the accommodating part 30 displacement;

A plurality of countersunk screws 80, the countersunk screws 80 are respectively screwed in the screw hole 112 of the first driven rod 11 and the screw hole 351 of the first joint 35, and are fixed against the first driven rod. rod 11 and the second driven rod 12. the

The actuator 10 drives the piston 13 through the first driven rod 11 through the first joint 35, and the piston 13 is guided by the first driven rod 11 to cooperate with the first anti-leakage plug 32 and the second The driven rod 12 cooperates with the guide of the second stopper 33, so that the piston 13 is displaced between the first stopper 32 and the second stopper 33. When the piston 13 pushes the buffer, the piston 13 The restrictor channel 132, the blocking sheet 50, the restrictor port 42 of the restrictor sheet 40 and the restrictor channel 336 of the second stopper 33 will limit the flow rate of the buffer fluid, and the aforementioned shock absorber can be applied to a locomotive Shock absorbers or automobile shock absorbers and other fields. the

Please refer to shown in Figure 3, the combined portion 334 of the second stopper 33 cooperates with two restrictor plates 40, two barrier plates 50, two springs 60, and two stop rings 70, and is respectively located at the two ends of the piston. , In addition, a second accommodating space B is formed between the first pipe 31 and the second pipe 34, and the flow-limiting passages 336 of the second stopper 33 communicate with the first accommodating space A and the second accommodating space respectively. The two accommodating spaces B are communicated, so that the piston 13 passes through the flow-limiting channel 132 of the original piston 13, the blocking piece 50, the flow-limiting opening 42 of the flow-limiting piece 40 and the second stop-leakage plug when the piston 13 is in motion. The flow-limiting channel 336 of 33 will disperse the flow velocity of the buffer solution, which has achieved the effect of shock absorption and can be applied to fields such as motorcycle shock absorbers or automobile shock absorbers. the

Please refer to Fig. 4, the restrictor plate 40, the blocking plate 50, the spring 60 and the limit ring 70 of the shock absorber can be selectively assembled, when the current limiting plate 40, the blocking plate 50, the spring 60 and the When the limiting ring 70 is not in use, the two flow-limiting passages 336 of the second stopper 33 do not need to be used. At this time, the first accommodating space A and the second accommodating space B of the shock absorber are not connected to each other. , at this time, the flow limiting work of the shock absorber is performed by the flow limiting channel 132 of the piston 13 to limit the flow of the buffer oil built in the first accommodating space A of the first pipe 31, and the actuator 10 (shown in the figure The first driven rod 11 and the second driven rod 12 (not shown) can be integrally formed at both ends of the piston 13 . the

Please also refer to FIG. 5 , which mainly shows another embodiment of the piston of the shock absorber with multi-stage damping function of the present invention. The shock absorber mainly achieves the multi-stage damping effect of the shock absorber by changing the structure of the piston, wherein, the piston 13 is mainly provided with a receiving groove 134 on each axial end surface, and around the axial limit hole 131 A plurality of flow-limiting channels 135 are opened in the axial direction; each container 134 is from the port of the flow-limiting channel 135 to the opening direction of the container 134, and a disc spring 90 and a gasket 100 are sleeved on the actuating container in sequence. The parts 10 are placed in each of the grooves 134 of the piston 13, and the openings of each of the grooves 134 are covered with two flow-limiting pieces 136. A port 1360, and corresponding to the restrictor port 1360, there are a plurality of auxiliary restrictor ports 1361 with a diameter larger than the restrictor port 1360, each of the auxiliary restrictor ports 1361 is located between the restrictor port 1360 and the actuator 10, Each of the restrictor ports 1360 communicates with each of the corresponding auxiliary restrictor ports 1361 in each of the grooves 134, and each of the gaskets 100 is pressed against each of the auxiliary ports by the elastic force of each of the disc springs 90. Flow limiting port 1361; when the total external force of earthquake force and building gravity is greater than the damping force produced by the reciprocating stroke of the piston 13, the external force will make the piston 13 reciprocate quickly and squeeze the buffer fluid at both ends of the piston, then The buffer fluid flows into and impacts the gasket 100 from the auxiliary restrictor ports 1361 with a larger diameter, and because the hydraulic pressure is momentarily greater than the elastic force of the disc spring 90, the two ends of the piston 13 are connected by the plurality of auxiliary restrictor ports 1361, To achieve rapid stretching of the shock absorber to release the excessive external force; in addition, the disk spring 90 can be a coil spring or a leaf spring. the

Claims (10)

1. A shock absorber, characterized in that it comprises: An actuator has a piston, the two ends of the piston are integrally formed with a first driven rod and a second driven rod, and the piston forms at least one flow-limiting channel; and A container has a first tube, the first driven rod, the piston and the second driven rod are placed in the first tube, the two ends of the first tube are respectively provided with a first leak stop with a guide hole Plug and a second anti-leak plug with a guide hole, the first follower rod passes through the guide hole of the first anti-leak plug and combines with a first joint, the second follower rod passes through the second The guide hole of the stopper is combined with a second joint. 2. The shock absorber according to claim 1, characterized in that, the outer wall of the first anti-leakage plug forms a first contact portion and a second contact portion, and the first anti-leakage plug is clamped by the first contact portion In one end of the first tube, a first contact portion and a second contact portion are formed on the outer wall of the second stopper, and the second stopper is locked in the other end of the first tube through the first contact portion, The first tube cooperates with the first stop plug and the second stop plug to form an accommodating space, the first tube is placed in a second tube, and the outer wall of the first stop plug is locked by the second contact portion In one end of the second tube, the outer wall of the second stopper is locked in the other end of the second tube through the second contact portion. 3. The shock absorber according to claim 2, characterized in that, the second stopper is provided with a combined part beside the first contact part, and the combined part is provided with a flow limiting piece and a limiting ring, the limiting The flow sheet has a guide hole pierced relative to the combination part, at least one flow restriction is arranged around the guide hole, and the limiting ring forms a positioning hole locked relative to the combination part, and the positioning hole of the limiting ring is opposite to the The combined part of the second anti-leakage plug is combined, the second pipe cooperates with the first pipe to form a second accommodating space, and the second anti-leakage plug has at least one Space-connected flow-limiting channels. 4. The shock absorber according to claim 3, characterized in that, the combined portion of the second stopper is provided with a blocking piece and a spring between the current limiting piece and the limiting ring, and the blocking piece has a The spring is sheathed on the combination part through the introduction hole for the combination part, and bounces against the blocking piece and the limiting ring. 5. The shock absorber according to claim 1, wherein: One end of the first driven rod of the actuator is formed with a combined concave, one end of the second driven rod is formed with a combined convex, and the piston is formed with a limiting hole in the axial direction, and the limited hole of the piston is used for the second driven The combination protrusion of the rod is passed through and assembled with the combination concave of the first driven rod in a detachable manner, and the piston forms at least one flow-limiting channel around the position-limiting hole; and The first driven rod, the piston and the second driven rod of the container are placed in the first tube, and the two ends of the first tube are respectively provided with a first anti-leak plug with a guide hole and a stopper with a guide hole. The second anti-leak plug, the first driven rod passes through the guide hole of the first anti-leak plug and is combined with a first joint, the second driven rod passes through the guide hole of the second anti-leak plug and is combined with a first joint. Second connector combination. 6. The shock absorber according to claim 5, characterized in that, the outer wall of the first anti-leakage plug forms a first contact portion and a second contact portion, and the first anti-leakage plug is clamped by the first contact portion In one end of the first tube, a first contact portion and a second contact portion are formed on the outer wall of the second stopper, and the second stopper is locked in the other end of the first tube through the first contact portion, The first tube cooperates with the first stop plug and the second stop plug to form an accommodating space, the first tube is placed in a second tube, and the outer wall of the first stop plug is locked by the second contact portion In one end of the second tube, the outer wall of the second stopper is locked in the other end of the second tube through the second contact portion. 7. The shock absorber according to claim 6, characterized in that, the second anti-leakage plug is provided with a combined part next to the first contact part, and the combined part is provided with a flow limiting piece and a limiting ring, the limiting The flow sheet has a guide hole pierced relative to the combination part, and at least one flow limiting port is arranged around the guide hole, and the limiting ring forms a positioning hole locked relative to the combination part, and the positioning hole of the limiting ring is opposite to the The combined part of the second anti-leakage plug is combined, the second pipe cooperates with the first pipe to form a second accommodating space, and the second anti-leakage plug has at least one Space-connected flow-limiting channels. 8. The shock absorber according to claim 7, characterized in that, the combined part of the second stopper is provided with a blocking piece and a spring between the flow limiting piece and the limiting ring, and the blocking piece has a an introduction hole for the combination part to pass through, the spring is sleeved on the combination part, and bounces against the blocking piece and the limiting ring; In addition, the combined concave inner wall of the first driven rod has a radially penetrated screw hole, and the end of the first joint close to the first driven rod has a radially penetrated screw hole; A countersunk screw is screwed in the screw hole of the first driven rod and the screw lock hole of the first joint respectively. 9. The shock absorber according to claim 1, characterized in that, the piston is mainly provided with a groove on both axial ends, and a plurality of flow-limiting channels are axially opened around the axial limiting hole ; Each of the containing grooves is from the port of the flow-limiting channel to the direction of the opening of the containing groove, and a disc spring and a gasket are sleeved on the actuator and placed in each of the containing grooves of the piston in order to The two flow restrictors are respectively covered on the openings of the storage tanks. The axial eccentric ring of each of the flow restrictors is provided with a plurality of flow restrictors, and corresponding to the flow restrictors are provided with a plurality of auxiliary restrictors with a diameter larger than the flow restrictors. Each of the auxiliary restrictors is located between the restrictor and the actuator, each of the restrictors communicates with the corresponding auxiliary restrictors in each of the tanks, and each of the pads The sheet is pressed against each of the auxiliary restrictors by the elastic force of each of the disc springs. 10. The shock absorber according to claim 9, wherein the spring is a disk spring, a coil spring or a leaf spring. the

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