TWI651172B - Force limiting damping device - Google Patents

Abstract

The present invention is a force-limiting damper device, which is provided with a body, a striking member and an elastic member. The body is provided with a joint at one end, the joint portion is provided with a set of holes, and the body is provided with a grip at the other end. a holding portion, the knocking member is movably coupled to the body and movable relative to the joint portion, the elastic member is disposed between the knocking member and the joint portion with the body, so that the elastic member pushes against the knocking The striking member is configured to move the striking member relative to the joint portion, and the elastic member is disposed between the joint portion and the striking portion to generate a delayed rebound shock absorption and shock absorbing effect on the reaction force. The force can be continuously transmitted to the knocked object to reduce energy loss and noise generation, and provide a force-limiting damping device with shock absorption effect, high stability and convenient adjustment and use.

Description

Force limiting damping device

The invention relates to a force-limiting damper device, in particular to a force-limiting damper device with a shock absorbing effect, high stability and convenient adjustment and use.

According to the existing industry, the hammer or hammer used to strike the nail body in the wooden board, cement wall or metal plate often bounces due to the reaction force during the tapping, which not only shortens the hammering of the hammer or the hammer. The time when the face is in contact with the nail body, and the nail body is easily bent or deflected, and the reaction force of the immediate rebound is converted into heat energy and noise and the like, which relatively reduces the user's force. The performance, that is, the applied force, is not fully used on the nail body, so that the user needs to apply a plurality of taps to the nail body in order to knock the nail body into the wood board or the metal plate. Relatively increase the number of taps and the time required. In addition, when the user holds the grip of the hammer or the hammer, the bouncing vibration generated by the tapping may make the user feel uncomfortable.

Furthermore, currently available medical hammers or surgical hammers (similar to industrial taro or hammer), the tapping surface is mostly a rigid structure, so when the dentist uses an existing medical hammer or surgical hammer in manual When used in implant surgery, the shock generated by the reaction force will not only make the doctor feel uncomfortable and uncomfortable, but also cause pain to the patient due to its knocking force, and even cause concussion.

In addition, the club head of the current golf club is also of a rigid structure. Therefore, when the club head strikes a sphere, the reaction force of the golf club immediately rebounding will also make the user feel no It is comfortable, and the time when the club head is in contact with the sphere is short, which makes it impossible for the user to effectively control the sphere, which will affect the performance of the ball.

In view of this, the existing medical hammers, surgical hammers, industrial hoes, hammers, axes or golf clubs, etc., have a rigid knocking surface that generates an immediate rebound reaction force when used, which not only produces a considerable degree of Noise and discomfort will also affect the smoothness and handling of the operation, and there are improvements.

Therefore, the inventors have developed a kind of research and experiment in view of the existing structure and test of the medical hammer, the surgical hammer, the industrial hammer or the hammer, the axe or the golf club. The present invention, which is currently missing, can be improved.

The main object of the present invention is to provide a force-limiting damper device which is configured to reduce the reaction force of the immediate rebound when tapping, and to delay the rebound of the reaction force (Delayed Rebound). The effect is to increase the time between the striking surface and the struck object, thereby providing a shock absorbing device with high shock absorption, high stability and convenient adjustment.

In order to achieve the above object, the present invention mainly provides a force-limiting damper device, comprising: a body, the body is an elongated rod body, the body is provided with a joint at one end, and the joint portion is provided with a set a hole is formed, the sleeve is axially penetrated through the bottom of the joint portion, so that the joint portion has an opening-down structure, and the joint portion internally forms a chamber communicating with the sleeve hole, the body being away from the body One end of the joint portion is provided with a grip portion; a knocking member is movably coupled to the body to be movable relative to the joint portion, the tap member is provided with a set portion and a tap The sleeve is movably coupled to the body The tapping portion is disposed at one end of the sleeve portion and located at a lower portion of the joint portion; an elastic member, the elastic member is disposed on the knocking member and Between the joint portions of the body, the elastic member is pushed against the knocking member, so that the knocking member is movable relative to the joint portion of the body, and the elastic member is disposed on the sleeve portion of the knocking member and the body The engaging portion and the striking portion of the striking member abut; a locking member that is coupled with the sleeve portion of the striking member and abuts against the joint portion of the body, and the elastic member is disposed on Between the joint portion and the striking portion, the lock member is provided with a locking hole which is linearly opposite to the sleeve hole of the joint portion and is combined with the sleeve portion; and when struck, the tapping When the piece moves toward the body, the elastic member is pushed against the elastic member, and the elastic members of different elastic forces can be replaced to provide different elastic forces, and the elastic force can be changed by changing the locking degree of the locking member, wherein the elastic force can be recognized. Whether the elastic member is compressed to remind the user whether the tapping force is greater than the original reservation Compressive force to the force of the resilient member is set in advance, thereby providing the effect of a force-limiting, and the elastic member can absorb the reaction force temporarily percussion member, resulting saving effect and delay rebound damping percussion energy savings.

The force-reducing damper device as described above, wherein the sleeve portion of the striking member is movably inserted into the joint portion through the sleeve hole, and the sleeve portion has a limit on the outer surface of the annular recess a slot, and the sleeve portion is provided with a limiting bolt extending transversely through the joint portion and extending into the limiting slot, and can provide a limited mutual sliding space, so that the sleeve portion is combined with the joint portion. The tapping portion is integrally formed with the sleeve portion, and the elastic member is disposed in the housing of the joint portion and abuts against the sleeve portion of the knocking member, so that the elastic member is wrapped around the joint portion And between the sets.

A force-limiting damper device as described above, wherein the joint portion is provided with an external thread on an outer surface near the opening, and the sleeve portion of the knocking member is combined with the tapping portion. The sleeve portion is provided with a limiting cover screwed to the outer thread of the joint portion, so that the tapping portion can protrude from the joint portion through the limit cover, and the elastic member is disposed in the joint portion and The sleeve is placed against each other.

In another preferred embodiment, the sleeve-receiving device extends axially through the top and bottom of the joint portion, and the sleeve portion of the tapping member passes through the sleeve hole. Removably extending into the chamber of the joint portion, and the sleeve portion is annularly recessed with a limiting groove on the outer surface, and the sleeve portion is provided with a limit extending transversely through the joint portion and extending into the limiting groove Positioning bolts, and providing a limited amount of mutual sliding space, the sleeve portion is combined with the joint portion, the tapping portion is integrally formed with the sleeve portion and protrudes through the sleeve portion a bottom portion, the elastic member is disposed in the chamber of the joint portion and abuts against the sleeve portion of the knocking member, the lock member is combined with the joint portion of the body and abuts against the elastic member, The elastic member is disposed between the sleeve portion and the lock member.

The force-limiting damper device as described above, in another preferred embodiment, the sleeve hole is axially penetrated through the top and the bottom of the joint portion, and the inner diameter of the sleeve hole at the top of the joint portion is larger than the sleeve The hole is located at an inner diameter of the bottom of the joint portion, and the joint portion forms a cavity communicating with the sleeve hole. The outer diameter of the sleeve portion of the tapping member is larger than the sleeve hole. The inner diameter of the bottom portion of the joint portion allows the sleeve portion to be movably extended from the bottom surface of the joint portion through the sleeve hole and the chamber at the top of the joint portion, and through the sleeve hole at the bottom of the joint portion, and The locking member is coupled to the engaging portion of the body and abuts against the elastic member, and the elastic member is disposed between the sleeve portion and the locking member, the locking member is rotatably And engaging with the top of the joint portion and extending into the chamber, the elastic member is disposed in the chamber of the joint portion and abuts against the sleeve portion and the lock member, the tapping portion is coupled to the sleeve portion The bottom surface of the joint portion is integrally formed and protruded through the sleeve.

In a preferred embodiment of the force-limiting damper device as described above, the tapping portion is coupled to the sleeve portion by a screw lock.

In a preferred embodiment of the force-limiting damper device as described above, the sleeve hole extends axially through the top and bottom of the joint portion, and the joint portion is provided with an external thread on an outer surface adjacent to the opening, the sleeve The setting portion is combined with the tapping portion, and the sleeve portion is provided with a limiting cover screwed to the outer thread of the joint portion, so that the tapping portion can extend the joint portion via the limiting cover, The force limiting damper is provided with a a locking member that is coupled to the engaging portion of the body and abuts against the elastic member, the elastic member is disposed between the sleeve portion and the locking member, the locking member is rotatably coupled to the joint portion The top portion is combined and extends into the chamber, and the elastic member is disposed in the chamber of the joint portion and abuts against the sleeve portion and the lock member.

In a preferred embodiment of the force-limiting damper device as described above, the joint portion is a solid structure, and the sleeve portion is combined with the tapping portion, and the tapping member is permeable to the sleeve. And a limiting rod fixedly coupled with the joint portion, wherein the tapping portion is disposed under the joint portion, and the elastic member is provided with a plurality of through holes for the limit rod to pass through, so that the elastic member is located Between the joint portion and the sleeve portion of the knocking member.

In a preferred embodiment of the force-limiting damper device as described above, the joint portion is provided with a coupling hole at the bottom, the sleeve portion is combined with the tapping portion, and the tapping portion is longitudinally penetrated to provide a class. a snap-fit perforation, and a coupling post that passes through the snap-fit perforation and is combined with the joint-bonding hole, the tapping member is disposed under the joint portion, and the elastic member is disposed outside the joint pillar And located between the joint portion and the knocking member.

In a preferred embodiment of the force-limiting damper device, the joint portion is provided with a coupling hole at the bottom, and the striker member is provided with a coupling post combined with the joint portion of the joint portion, the joint pillar and the joint pillar The elastic member and the striking member are integrally combined, and the binding post and the striking member are respectively located on two sides of the elastic member, and the striking member is convexly disposed on a side of the elastic member and is elastic. The phase card is combined with a reinforcing column to increase the structural strength between the knocking member and the elastic member.

In a preferred embodiment of the force-limiting damper device as described above, the slamming member is an annular cover body movably sleeved on the joint portion and having an opening upward, and the elastic member is coupled to the joint Between the part and the knocking member.

In a preferred embodiment of the force-limiting damper device as described above, the elastic member is provided with a plurality of springs, rubber blocks, and rubber blocks stacked on the upper and lower sides and located between the joint portion and the knocking member. , metal gaskets, elastic metal blocks or elastic blocks.

According to the above technical features, the structure of the force-limiting damper device of the present invention is simple, and is relatively convenient in manufacturing, repairing and replacing, and only needs to be disposed between the joint portion of the body and the knocking portion or the locking member. The elastic member not only can recognize the tapping force of the elastic member, but also provides a force-limiting effect, and can generate a reaction force when the tapping portion is knocked. Delayed Rebound shock absorption and shock absorption effect, and at the same time increase the contact time between the tapping surface of the tapping portion and the struck object, not only makes the knocked object less likely to bend, and It can reduce the loss of energy and the generation of noise, relatively reduce the number of taps and the required time, and can reduce the user's discomfort, allowing the user to firmly hold the body for tapping, and only needs to be compacted due to structural simplicity. By changing the elastic members of different elastic strengths or by rotating the locking members, different elastic tensions of the elastic members can be provided, thereby providing a shock absorbing effect, high stability and convenient adjustment. The damper force-limiting device.

10, 10H, 10J‧‧‧ ontology

11, 11D, 11D', 11E, 11E', 11F, 11G, 11G', 11H, 11I, 11K, 11L, 11P‧‧‧ joint

111, 111D, 111E, 111K, 111L, 111P‧‧‧ set holes

112D, 112E, 112G‧‧ ‧ room

113L‧‧‧上容槽

114L‧‧‧下容槽

115I‧‧‧ Limit slot

116D’, 116G’‧‧‧ external thread

117D'''‧‧‧Contact hole

118P‧‧‧ accommodating slots

12‧‧‧ grip

121‧‧‧ Ring groove

13H‧‧‧ nailing department

14I‧‧‧ head

20, 20D, 20D", 20D''', 20E', 20I, 20J, 20K, 20P, 20Q‧‧‧ knocking parts

21, 21C, 21D, 21E, 21E', 21F, 21G, 21H, 21K‧ ‧ sets

211‧‧‧Lock structure

212D, 212E’‧‧‧ Limit slots

213D, 213E’, 213I‧‧‧ limit bolts

214D’, 214G’‧‧‧ Limit Cover

22, 22B, 22C, 22D, 22D', 22D", 22E, 22E', 22F, 22G, 22J, 22K, 22M‧‧ ‧ tapping

221, 221B, 221C, 221E‧‧‧ tapping surface

222B‧‧‧Chamfered surface

223C‧‧‧Fixed ring

224C‧‧‧ knocking cover

23J‧‧‧Extension

231J‧‧‧ positioning slot

24J‧‧ magnetic parts

25D”‧‧‧Limited Rod

26D'''‧‧‧ card perforation

27D'''‧‧‧ binding column

28D'''‧‧‧ Percussion board

29D'''‧‧‧ reinforcing column

30, 30C, 30D, 30D', 30D''', 30E, 30F, 30G, 30H, 30I, 30K, 30L, 30N, 30P‧‧‧ elastic parts

311D‧‧‧ sensor

312D‧‧‧ display screen

313D”‧‧‧through hole

40, 40E, 40G, 40H, 40L‧‧‧ lock parts

41‧‧‧Lock hole

60‧‧‧nail body

70‧‧‧ plank

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view of a first preferred embodiment of the present invention.

Figure 2 is an exploded perspective view of a first preferred embodiment of the present invention.

Figure 3 is a partially enlarged cross-sectional side view showing a first preferred embodiment of the present invention.

Figure 4 is a cross-sectional side view showing the operation of adjusting the elastic strength of the first preferred embodiment of the present invention.

5 to 7 are side views showing the operation of tapping a nail body in the first preferred embodiment of the present invention.

Figure 8 is a partially enlarged cross-sectional side view showing a second preferred embodiment of the present invention.

Figure 9 is a partially enlarged cross-sectional side view showing a third preferred embodiment of the present invention.

Figure 10 is a partially enlarged cross-sectional side view showing a fourth preferred embodiment of the present invention.

Figure 11 is a partially enlarged cross-sectional side view showing a fifth preferred embodiment of the present invention.

Figure 12 is a partially enlarged cross-sectional side view showing a sixth preferred embodiment of the present invention.

Figure 13 is a partially enlarged cross-sectional side view showing a seventh preferred embodiment of the present invention.

Figure 14 is a partially enlarged cross-sectional side view showing an eighth preferred embodiment of the present invention.

Figure 15 is a partially enlarged cross-sectional side view showing a ninth preferred embodiment of the present invention.

Figure 16 is a partially enlarged cross-sectional side view showing a tenth preferred embodiment of the present invention.

Figure 17 is a partially enlarged cross-sectional side view showing an eleventh preferred embodiment of the present invention.

Figure 18 is a partially enlarged cross-sectional side view showing a twelfth preferred embodiment of the present invention.

Figure 19 is a partially enlarged cross-sectional side view showing a thirteenth preferred embodiment of the present invention.

Figure 20 is a partially enlarged cross-sectional side view showing a fourteenth preferred embodiment of the present invention.

Figure 21 is a partially enlarged cross-sectional side view showing a fifteenth preferred embodiment of the present invention.

Figure 22 is a partially enlarged cross-sectional side view showing a sixteenth preferred embodiment of the present invention.

Figure 23 is a partially enlarged cross-sectional side view showing a seventeenth preferred embodiment of the present invention.

Figure 24 is a partially enlarged cross-sectional side view showing the eighteenth preferred embodiment of the present invention.

Figure 25 is a partially enlarged cross-sectional side view showing a nineteenth preferred embodiment of the present invention.

26a and 26 are partially enlarged cross-sectional plan views of the nineteenth preferred embodiment of the present invention taken along line A-A of Fig. 25.

Figure 27 is another partially enlarged cross-sectional plan view of the nineteenth preferred embodiment of the present invention taken along line A-A of Figure 25.

Figure 28 is a partially enlarged cross-sectional side view showing a twentieth preferred embodiment of the present invention.

Figure 29 is a partially enlarged cross-sectional side view showing a twenty-first preferred embodiment of the present invention.

Figure 30 is a partially enlarged cross-sectional side view showing a twenty-second preferred embodiment of the present invention.

Figure 31 is a partially enlarged cross-sectional side view showing a twenty-third preferred embodiment of the present invention.

Figure 32 is a partially enlarged cross-sectional side view showing a twenty-fourth preferred embodiment of the present invention.

Figure 33 is a partially enlarged cross-sectional side view showing a twenty-fifth preferred embodiment of the present invention.

In order to understand the technical features and practical functions of the present invention in detail, and in accordance with the contents of the specification, the following is a detailed description of the preferred embodiment as shown in the following: The present invention is a force-limiting damping device. Referring to the first preferred embodiment shown in FIG. 1 to FIG. 3, the force-reducing damper device is provided with a body 10, a striking member 20, an elastic member 30 and a locking member 40. The body 10 is a strip-shaped rod body. The body 10 is provided with a joint portion 11 at one end thereof. The joint portion 11 is axially disposed with a set of holes 111. The body 10 is disposed at an end away from the joint portion 11. There is a grip portion 12, and further, the grip portion 12 is provided with a non-slip structure on the outer surface. Preferably, the anti-slip structure is a plurality of annular grooves 121 recessed on the outer surface of the grip portion 12 for the user. The grip portion 12 of the body 10 can be firmly held.

The striker 20 is movably coupled to the body 10 and movable relative to the joint portion 11. The striker 20 is provided with a set portion 21 and a tap portion 22, and the sleeve portion 21 is movably In combination with the joint portion 11 of the body 10, it is preferable that the sleeve portion 21 is a rod body through which the hole 111 is sleeved, and preferably, the sleeve portion 21 is transversely The cross-section is in a shape conforming to the shape of the sleeve hole 111, wherein when the sleeve portion 21 has a circular cross section, the sleeve portion 21 is rotatable relative to the joint portion 11, and when the sleeve portion 21 has a polygon In the case of the cross-section, the sleeve portion 21 can only be moved relative to the joint portion 11 and cannot be rotated. The sleeve portion 21 is provided with a locking structure 211 on the outer surface of one end. Further, the latching structure 211 is an outer portion. a tapping portion 22 is disposed at an end of the sleeve portion 21 away from the latching structure 211 and located below the joint portion 11 . Further, the tapping portion 22 is integrally formed with the sleeve portion 21 . The tapping portion 22 can be a hard material such as metal, polyethylene (PE) or plastic or an elastic material such as rubber, silicone or wood. In addition, the tapping portion 22 can also be made of a magnetic metal, so that the tapping portion 22 can adsorb a nail body when in use, and the tapping portion 22 can also be a spherical shape. a structure of the body, and the tapping portion 22 is provided with a striking surface 221 at the bottom, and further, the knocking The face 221 can be made of a hard material such as metal, polyethylene (PE) or plastic or an elastic material such as rubber, silicone, wood or leather.

The elastic member 30 is disposed on the sleeve portion 21 of the knocking member 20 and abuts against the joint portion 11 of the body 10 and the striking portion 22 of the knocking member 20. Further, the elastic member 30 can be spring, rubber, a flexible material having a fixed shape such as silicone rubber, a metal gasket, an elastic metal block or an elastic block, or a spring may be wrapped in a rubber or silicone to form the elastic member 30. Further, when When the elastic member 30 is a spring, the spring has the same inner diameter (upper and lower inner diameters and the same width) or different inner diameters (upper width and lower width), wherein when the spring of the same inner diameter is used, the spring portion will be There is a case of impact, and when a spring of a different inner diameter is used, there is no impact in various parts of the spring. Furthermore, the elastic member 30 of different elastic strengths can be selected, and the elastic member 30 can be pre-compressed with the lock member 40 to set the magnitude of the compressive force (assumed to be 5, 10 or 15 kg, etc.). In use, when the striking force is less than the compression force preset by the elastic member 30, the user may feel that the tapping portion 22 generates an instant rebound. When the tapping force is greater than the compression force preset by the elastic member 30, the user may feel that the tapping portion 22 generates a delayed rebound. Therefore, the tapping force of the user can be reminded by recognizing whether the elastic member 30 is compressed, thereby providing a force limiting effect.

The locking member 40 is coupled to the sleeve portion 21 of the knocking member 20 and abuts against the joint portion 11 of the body 10 , whereby the elastic member 30 is disposed between the joint portion 11 and the tapping portion 22 . The relationship between the locking member 40 and the striking member 20 may be a fixed structure or an adjustable structure. Further, the locking member 40 has a disk shape and is provided with a locking mechanism. The locking hole 41 is linearly opposite to the sleeve hole 111 of the joint portion 11 and is coupled with the locking structure 211 of the sleeve portion 21. Preferably, the locking hole 41 is provided with the lock The internal thread of the outer structure 211 is screwed, and the position of the locking member 40 combined with the sleeve portion 21 is adjustable as shown in FIGS. 3 and 4, thereby changing the tapping portion 22 and the joint portion 11 The spacing therebetween further adjusts the compressed or unfolded state of the elastic member 30 between the striking portion 22 and the joint portion 11.

According to the above technical feature, the first preferred embodiment of the force-limiting damper device of the present invention can be a medical hammer or an industrial hammer, which can be used to knock an artificial tooth into the patient's bone or to nail a nail. The body is knocked into the board, please refer to see Figures 5 to 7. When the first preferred embodiment is an industrial hammer and is used to knock a nail 60 into a wooden board 70, the user holds and swings the grip 12 of the body 10 to make the knock The striking portion 22 of the striker 20 strikes the nail body 60, wherein as shown in FIG. 5, the striking portion 22 strikes the nail body to generate a reaction force when the reaction force is smaller than the elastic force of the elastic member 30. At this time, the striking surface 221 of the striking portion 22 does not move relative to the joint portion 11, and the striking portion 22 is subjected to an immediate rebound (Instant Rebound) reaction force.

When the user knocks the nail body 60 into the wooden board 70 by applying a large striking force as shown in FIG. 6, the reaction force is greater than the elastic force of the elastic member 30, so that the knocking member 20 is opposite. The joint portion 11 is moved upward, and the elastic member 30 is caused to be compressed, so that the tapping energy is converted into the compression potential of the elastic member 30, wherein the body 10 follows the user as shown in FIG. The direction of the wave continues to move toward the nail body 60 (that is, it does not rebound temporarily). At this time, the compression position of the elastic member 30 in the compressed state can be released to cause the elastic member 30 to stretch, thereby pushing the tap. The portion 22 moves in the direction of the nail body 60, thereby increasing the time during which the striking surface 221 of the striking portion 22 comes into contact with the nail body 60.

Therefore, by providing the elastic member 30 between the joint portion 11 and the striking portion 22, not only a delayed rebounding and shock absorbing effect can be generated for the reaction force, but also a tapping During the process of the nail body 60, there is no instantaneous rebound of the instant rebound, so that the nail body 60 is less likely to be bent, and the force can be continuously transmitted to the nail body 60, thereby reducing energy loss and The noise is generated, so that the user can fix the nail body 60 to the wooden board 70 only after tapping several times, relatively reducing the number of tappings and the required time, and effectively providing the efficiency of the work; A preferred embodiment is a medical hammer, wherein when the medical hammer is used, the effect of shock absorption and shock absorption of the elastic member 30 can alleviate the discomfort of the user or the patient, so that the user can firmly hold the hammer. The body 10 is tapped.

Further, as shown in FIG. 2, the user can be separated from the sleeve portion 21 by rotating the lock member 40, and an elastic member 30 of different elastic strength is disposed between the joint portion 11 and the tap portion 22. Or as shown in FIGS. 3 and 4, the spacing between the joint portion 11 and the striking portion 22 is changed by rotating the locking member 40, so that the elastic member 30 assumes a different compression state, so that the elastic member 30 is Have different elastic tensions.

According to the above technical features, the force-limiting damper device of the present invention can provide a delayed rebound of the reaction force not only through the elastic member 30 located between the joint portion 11 and the striking portion 22 (Delayed) Rebound shock absorption and shock absorbing effect, and at the same time, the time when the striking surface 221 of the striking portion 22 is in contact with the nail body 60 can be increased, which not only makes the nail body 60 less likely to be bent, but also reduces energy loss. And the generation of noise, relatively reducing the number of taps and the required time, and can alleviate the discomfort of the user or the patient, allowing the user to firmly hold the body 10 for tapping, and only need to be replaced due to structural simplification. The elastic members of different elastic strengths or the manner of rotating the locking members can provide different elastic tensions of the elastic members 30, thereby providing a force-limiting damping device with high shock absorption effect, high stability and convenient adjustment.

The second preferred embodiment shown in FIG. 8 differs from the first preferred embodiment shown in FIGS. 1 to 3 in that, in the second preferred embodiment, the tapping portion 22B is tapped. The outer peripheral ring of the face 221B is provided with a downwardly tapered chamfered surface 222B, wherein when the hitting portion 22B is struck by the tapping portion 22B, if the tapping point is located at the edge of the striking surface 221B, The chamfered surface 222B can simultaneously generate a vertical and a horizontal component force for the nail body 60, and can effectively reduce the torsion of the nail body 60 to deform, so that the nail body 60 can be stably driven into the wooden board 70.

The third preferred embodiment shown in FIG. 9 differs from the first preferred embodiment shown in FIGS. 1 to 3 in that, in the third preferred embodiment, the tapping portion 22C is not associated with the sleeve. The mounting portion 21C is integrally formed, and the sleeve portion 21C is provided with a threaded portion 212C at one end away from the locking structure 211C, and the tapping portion 22C is provided with a fixing ring 223C and a tapping cover 224C, the fixing ring 223C and The setting portion 21C The threaded portion 212C is locked and abutted against the elastic member 30C. Preferably, the fixing ring 223C is a nut, and the tapping cover 224C is wrapped around the fixing ring 223C and located at the elastic member. The tapping surface 221C of the tapping portion 22C is located on the bottom surface of the tapping cover 224C. Further, the tapping cover 224C is a cover body made of rubber or silicone material, wherein the elastic material is The tapping surface 221C can be applied to the cooperation of the knocked object which cannot be damaged, such as a tile or a high-grade wood. Further, the thread segment 212C of the sleeve portion 21C is axially recessed away from the One end of the locking structure 211C, and the fixing ring 223C is combined with the threaded section 212C, and the tapping cover 224C is an annular plate body combined with the fixing ring 223C, and the fixing ring 223C can also be The tapping cover 224C is a cover body made of a material such as rubber or silicone which is directly sleeved on the fixing ring 223C.

The fourth preferred embodiment shown in FIG. 10 differs from the first preferred embodiment shown in FIGS. 1 to 3 in that, in the fourth preferred embodiment, the sleeve hole 111D does not penetrate the The joint portion 11D has a structure with an opening facing downward, and the joint portion 11D internally defines a chamber 112D communicating with the sleeve hole 111D. The sleeve portion of the tap member 20D is 21D. The elastic member 30D is disposed in the chamber 112D of the joint portion 11D and abuts against the sleeve portion 21D of the knocking member 20D. The elastic member 30D is movably inserted into the joint portion 11D. The elastic member 30D is wrapped between the joint portion 11D and the sleeve portion 21D. Further, in the fourth preferred embodiment, the force-limiting damper device is not provided with the lock member 40, further The sleeve portion 21D is provided with a limiting slot 212D in the annular shape of the outer surface, and the sleeve portion 21D is provided with a limiting bolt 213D extending transversely through the joint portion 11D and extending into the limiting slot 212D. The setting portion 21D is combined with the joint portion 11D, and the material used for the force-limiting damper device at the time of manufacture is used when it is used for medical sputum or surgical sputum. Consider whether moderate weight, and does not rust in the sterilization process, so that the elastic force of the elastic member 30D is not changed is generated by repeated sterilization, and further having easy to clean, disinfect and use characteristics.

The fifth preferred embodiment shown in FIG. 11 differs from the fourth preferred embodiment shown in FIG. 10 in that in the fifth preferred embodiment, the elastic member 30D is further provided with a pressure sense. The detector 311D and a display screen 312D are disposed in the chamber 112D of the joint portion 11D and abut against the elastic member 30D, and the display screen 312D is fixed to the joint portion 11D. When the top portion is electrically connected to the sensor 311D, and the elastic member 30D is compressed by the pushing member 20D, the sensor 311D can be detected by the pressing force of the elastic member 30D. The striking force of the striking member 20D is displayed on the display screen 312D to provide a reference for the user to tap.

The sixth preferred embodiment shown in FIG. 12 differs from the fourth preferred embodiment shown in FIG. 10 in that, in the sixth preferred embodiment, the joint portion 11D' is located near the opening. The surface is provided with an external thread 116D', and the sleeve portion 21D' is provided with a limiting cover 214D' screwed to the external thread 116D' of the joint portion 11D', so that the tapping portion 22D' can pass the limit The cover member 214D' extends out of the joint portion 11D', and the elastic member 30D' is disposed in the joint portion 11D' and abuts the sleeve portion 21D'. Further, the elastic member 30D' can be located at the joint portion 21D'. The rubber or silicone in the joint portion 11D', the elastic metal block or the elastic block.

The seventh preferred embodiment shown in FIG. 13 differs from the fourth preferred embodiment shown in FIG. 10 in that, in the seventh preferred embodiment, the sleeve hole 111E extends through the joint portion 11E. The top and bottom portions are in communication with the chamber 112E, and the tapping portion 22E is coupled to the sleeve portion 21E by a screw-locking method instead of being integrally formed. Further, the sleeve hole 111E is located at the top of the joint portion 11E. The inner diameter is larger than the inner diameter of the sleeve hole 111E at the bottom of the joint portion 11E, so that the sleeve portion 21E can pass through the sleeve hole 111E and the chamber 112E at the top of the joint portion 11E, and the sleeve passing through the bottom portion of the joint portion 11E. The hole 111E is movably extended to the bottom surface of the joint portion 11E, so that the tap portion 22E can be coupled with one end of the joint portion 21E for engaging the joint portion 11E, and the lock member 40E is rotatably coupled with the joint portion The top of the portion 11E is combined and extends into the chamber 112E. The elastic member 30E is disposed in the chamber 112E of the joint portion 11E and is opposite to the sleeve portion. 21E and the locking member 40E abut each other, whereby the user can apply different degrees of pressure to the elastic member 30E by rotating the locking member 40E relative to the connecting portion 11E to move the elastic member 30E. The piece 30E produces a compressed or unfolded state.

The eighth preferred embodiment shown in FIG. 14 differs from the seventh preferred embodiment shown in FIG. 13 in that: in the eighth preferred embodiment, the sleeve portion 20E of the striking member 20E' 'The tap portion 22E' is integrally formed, and the sleeve portion 21E' is annularly recessed with a limiting groove 212E' on the outer surface, and the sleeve portion 21E' is provided to extend transversely through the joint portion 11E'. The limiting plug 213E' in the limiting slot 212E' combines the sleeve portion 21E' with the coupling portion 11E', and can provide a limited space for sliding each other.

The ninth preferred embodiment shown in FIG. 15 differs from the first preferred embodiment shown in FIGS. 1 to 3 in that, in the ninth preferred embodiment, the elastic member 30F is provided in one set. The sleeve portion 21F is an annular rubber or silicone rubber, an elastic metal block or an elastic block between the joint portion 11F and the tapping portion 22F.

The difference between the tenth preferred embodiment shown in FIG. 16 and the seventh preferred embodiment shown in FIG. 13 is that, in the tenth preferred embodiment, the sleeve portion 21G is coupled to the tapping portion. The 22G is integrally formed, and the elastic member 30G is a rubber block, a rubber block, and a resilient metal block disposed in the chamber 112G of the joint portion 11G and located between the sleeve portion 21G and the lock member 40G. Or a flexible block or the like, and further, the non-integral forming and the spring-using type of the seventh preferred embodiment can be integrally formed with the tenth preferred embodiment and use a rubber block, a rubber block, and an elastic The type of the metal block or the elastic block is used interchangeably, and is not limited herein.

The eleventh preferred embodiment shown in FIG. 17 differs from the tenth preferred embodiment shown in FIG. 16 in that, in the eleventh preferred embodiment, the joint portion 11G' is near the opening. The outer surface is provided with an external thread 116G', and the sleeve portion 21G' is provided with a thread 116G' outside the joint portion 11G' The threaded limit cover 214G' allows the tap portion 22G' to extend out of the joint portion 11G' via the limit cover 214G'.

The difference between the twelfth preferred embodiment shown in FIG. 18 and the sixth preferred embodiment shown in FIG. 12 is that in the twelfth preferred embodiment, the joint portion 11D" is a solid structure. There is no hollow chamber, and the tapping member 20D" passes through a plurality of limiting rods 25D" that are disposed through the sleeve portion 21D and are fixedly coupled with the joint portion 11D", and the tapping portion is 22D" is disposed under the joint portion 11D". Further, the elastic member 30D" is provided with a plurality of through holes 313D" for the limit rods 25D" to pass through, so that the elastic members 30D" are located at the joint portion 11D" and Between the sleeve portions 21D" of the knocking member 20D".

The thirteenth preferred embodiment shown in FIG. 19 differs from the twelfth preferred embodiment shown in FIG. 18 in that, in the thirteenth preferred embodiment, the joint portion 11D''' The bottom portion is provided with a coupling hole 117D''', and the tapping member 20D''' is longitudinally disposed with a frame-shaped insertion hole 26D''', and a through hole 26D''' The bonding portion 11D ′′′ is combined with the bonding column 27D ′′′ of the hole 117D ′′′, and the tapping member 20D ′′′ is disposed under the bonding portion 11D ′′′, the elastic member 30D ′′′ The tapping member 20D ′′′ is disposed outside the binding post 27D′′′ and is located between the bonding portion 11D ′′′ and the striking member 20D ′′′. Further, the striking member 20D ′′′ is provided with a striking plate 28D at the bottom cover. ''', wherein the percussion plate 28D''' can be made of a hard material such as metal, polyethylene (PE) or plastic or an elastic material such as rubber, silicone, wood or leather.

The fourteenth preferred embodiment shown in FIG. 20 differs from the thirteenth preferred embodiment shown in FIG. 19 in that, in the fourteenth preferred embodiment, the binding post 27D''' The elastic member 30D ′′′ and the striking member 20D ′′′ are integrally combined by injection molding or the like, so that the binding post 27D ′′′ and the striking member 20D ′′′ are respectively located at the elastic member 30D. The two sides of the ''', further, the tapping member 20D''' is convexly disposed on a side surface of the elastic member 30D"", and a plurality of reinforcing columns 29D' coupled with the elastic member 30D"" are disposed. '', thereby increasing the structural strength between the striker 20D'" and the elastic member 30"".

The fifteenth preferred embodiment shown in FIG. 21 differs from the first preferred embodiment shown in FIGS. 1 to 3 in that, in the fifteenth preferred embodiment, the body 10H is at the joint portion. 11H is curved upwardly and convexly provided with a nail removing portion 13H, wherein the nail removing portion 13H is a notched horn structure, so that the body 10H has the effect of pulling out the nail body 60. Further, the locking member 40H can be The nut is a circular, quadrangular or hexagonal outer surface, wherein when the locking member 40H has a circular outer surface, the user can adjust the locking member 40H relative to the sleeve portion 21H by hand rotation. When the locking member 40H has a quadrangular or hexagonal outer surface, the user can rotate the locking member 40H by a wrench tool to adjust the position of the locking member 40H relative to the sleeve portion 21H. Further, the elastic member 30H may be made of a spring, a rubber block, a silicone block, an elastic metal block, or an elastic block.

As shown in the sixteenth preferred embodiment of the present invention, the body 10I has a spherical head portion 14I protruding upward from the top surface of the joint portion 11I. The striker member 20I is movably sleeved on the The joint portion 11I has an annular cover body that faces upward, and the elastic member 30I is disposed between the joint portion 11I and the knocking member 20I. Further, the elastic member 30I can be composed of a plurality of upper and lower laminated metals. The gasket is formed by an air cushion which is filled between the joint portion 11I and the knocking member 20I. In addition, the elastic member 30I can also be a spring, a rubber block, a rubber block or a resilient metal. The block or the like is formed by a material such as a block or the like. Further, the joint portion 11I is provided with a limiting groove 115I on the outer surface of the outer surface, and the tapping member 20I is disposed transversely and extends through the limiting groove 115I. The limit pin 213I is coupled to the tap portion 20I and the joint portion 11I.

The difference between the seventeenth preferred embodiment shown in FIG. 23 and the first preferred embodiment shown in FIGS. 1 to 3 is that in the seventeenth preferred embodiment, the tapping member 20J is An extension portion 23J is laterally protruded from a side of the tapping portion 22J. The extension portion 23J is recessed with a positioning groove 231J near the bottom surface of the tapping portion 22J. Further, the tapping member 20J is knocked on the extension portion 23J. At least one magnetic member 24J is disposed in the striking portion 22J. When a nail body 60 is combined with the force-limiting damper device, the head of the nail body 60 can be positioned at The positioning groove 231J is fixed to the knocking member 20J by the magnetic force of the magnetic member 24J. Preferably, the at least one magnetic member 24J is a magnet, thereby allowing the user to use only one hand. By holding the grip portion 12, a tapping operation can be performed to avoid a situation in which a finger is accidentally knocked and injured, and when a tapping is required for a high-position area, the manner of one-handed holding operation is used. It is also easier for people.

As shown in the eighteenth preferred embodiment of FIG. 24, at least one magnetic member 24J is disposed at the bottom of the striking portion 22J, so that the nail body 60 can be adsorbed and fixed to the bottom surface of the striking portion 22J for the user. The operation of tapping the nail body 60 can be performed with one hand.

The nineteenth preferred embodiment shown in Figures 25, 26a, 26b and 27 differs from the first preferred embodiment shown in Figures 1 to 3 in that in the nineteenth preferred embodiment, The sleeve hole 111K of the joint portion 11K is a triangular hole as shown in FIG. 26a, a square hole as shown in FIG. 26b or a circular hole having a stud as shown in FIG. 27, and the sleeve portion 21K of the knocking member 20K has a a triangular, quadrangular or grooved cross section conforming to the shape of the sleeve hole 111K, so that the striker 20K can only move up and down relative to the joint portion 11K, and cannot rotate relative to the joint portion 11K. Further, the The tapping portion 22K of the striking member 20K is an axe piece, so that the force limiting damper device becomes an axe with a limited force absorbing effect. Further, the elastic member 30K can be a spring, a ring rubber, a silicone rubber, a metal pad. The sheet member, the elastic metal block or the elastic block or the like is formed. Further, as shown in FIG. 25, the locking member 40 is combined with the sleeve portion 21K to avoid the knocking member 20K and the joint portion 11K. Phase separation, wherein a cross section of the screw portion of the sleeve portion 21K and the locking member 40 is a circular shape, so that the locking member 40 can The sleeve portion 21K combined.

As shown in the twentieth preferred embodiment of FIG. 28, the joint portion 11L is a spherical body such as a golf club head, and an upper receiving groove 113L is respectively recessed at two ends of the sleeve hole 111L. The lower receiving groove 114L is disposed in the upper receiving groove 113L, and the elastic member 30L is partially received in the lower receiving groove 114L, so that the force-limiting damping device becomes one The golf club with limited force damping effect, when it hits a golf ball, the Delayed Rebound shock absorption and shock absorption effect can not only reduce the deformation of the golf ball, but also make the sphere obtain a larger Energy can fly Far, and because of the long time of contact with the sphere, the user can more accurately control the flight direction of the sphere, thereby improving the accuracy of the position of the sphere.

In addition, the twenty-first preferred embodiment shown in FIG. 29 differs from the twentieth preferred embodiment shown in FIG. 28 in that in the twenty-first preferred embodiment, the tapping portion 22M is an upwardly curved curved body, and the twenty-second preferred embodiment shown in FIG. 30 differs from the twentieth preferred embodiment shown in FIG. 28 in that the twentieth In the second preferred embodiment, the elastic member 30N is an annular rubber or silicone rubber or a flexible block or the like.

Further, please refer to the twenty-third preferred embodiment shown in FIG. 31, which is different from the twentieth preferred embodiment shown in FIG. 28 in that the joint portion 11P has a hollow receiving groove 118P. The sleeve hole 111P is disposed on a side surface of the joint portion 11P and communicates with the receiving groove 118P. Preferably, the sleeve hole 111P is a cover body fixedly coupled with the joint portion 11P. The tapping member 20P is disposed in the accommodating groove 118P and protrudes from the engaging portion 11P through the sleeve hole 111P. The elastic member 30P is disposed in the accommodating groove 118P and is opposite to the tapping member 20P. The striker 20P is movable relative to the joint portion 11P by being pressed against the elastic member 30P.

Referring to the twenty-fourth preferred embodiment shown in FIG. 32, the difference from the twenty-third preferred embodiment shown in FIG. 31 is that the elastic member 30P' is a rubber block, a rubber block, and has elasticity. A metal block or the like or a material such as a flexible block.

Referring to the twenty-fifth preferred embodiment shown in FIG. 33, the difference from the twenty-third preferred embodiment shown in FIG. 31 is that the tapping member 20Q passes through the groove and the plug body, and The joint portion 11P is coupled and abuts against the elastic member 30P.

According to the above technical features, the structure of the force-limiting damper device of the present invention is simple, and is relatively convenient in manufacturing, repairing and replacing, and only needs to be combined with the body 10, 10H, 11E, 11F, 11H, 11I, 11K, 11L, 11P and the tapping portion 22, 22B, 22C, 22E, 22F, 22G, 22J, 22K or the locking member 40, 40E, 40G, 40H, 40L are provided with the elasticity Parts 30, 30C, 30D, 30E, 30F, 30G, 30I, 30K, 30L, 30N, 30P, 30P' can not only identify the elastic members 30, 30C, 30D, 30E, 30F, 30G, 30H, 30I, 30K Whether 30L, 30N, 30P, 30P' is compressed to remind the user of the striking force, thereby providing a force limiting effect, and for the tapping portions 22, 22B, 22C, 22D, 22E, 20E', 22F The reaction force generated when 22G, 22J, 22K, and 22M are tapped, generates a delayed rebound and shock absorption effect, and at the same time increases the tapping portions 22, 22B, 22C, 22D, The time when the tapping faces 221, 221B, 221C, and 221E of the 22E, 22E', 22F, 22G, 22J, 22K, and 22M are in contact with the nail body 60 not only makes the nail body 60 less likely to be bent, but also reduces energy. Loss and noise generation, relatively reducing the number of taps and the required time, and reducing the user's discomfort, allowing the user to firmly hold the body 10, 10H for tapping, and only need to be simplified due to structural simplicity By replacing elastic members 30, 30C, 30D, 30E, 30F, 30G, 30H, 30I, 30K, 30L, 3 with different elastic strengths 0N, 30P, 30P' or by rotating the locking members 40, 40E, 40G, 40H, 40L, the elastic members 30, 30C, 30D, 30E, 30F, 30G, 30H, 30I, 30K, 30L, 30N, 30P, 30P' different elastic tension, which provides a shock-absorbing device with high shock absorption, high stability and easy adjustment.

The above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any one of ordinary skill in the art can use the present invention without departing from the scope of the present invention. Equivalent embodiments of the invention may be made without departing from the technical scope of the present invention.

Claims (12)

A force-limiting damper device is provided with: a body, the body is an elongated rod body, the body is provided with a joint at one end, and the joint portion is provided with a set of holes, and the sleeve is provided with a shaft The bottom portion of the joint portion is formed with an opening facing downward, and the joint portion internally defines a chamber communicating with the sleeve hole, and the body is provided with a grip at an end away from the joint portion. a knocking member movably coupled to the body to be movable relative to the joint, the knocking member being provided with a set portion and a tapping portion, the sleeve portion being movable The grounding portion is coupled to the joint portion of the body and penetrates the sleeve hole. The tapping portion is disposed at one end of the sleeve portion and located below the joint portion; an elastic member, the elastic member is disposed at the joint portion Between the knocking member and the joint portion with the body, the elastic member is pushed against the knocking member, so that the knocking member is movable relative to the joint portion of the body, and the elastic member is disposed on the tapping member And abutting the joint portion of the body and the striking portion of the knocking member; a locking member, the locking member and The sleeve portion of the knocking member is coupled to the joint portion of the body, and the elastic member is disposed between the joint portion and the tapping portion. The lock member is provided with a sleeve and the joint portion. a locking hole opposite to the hole and combined with the sleeve; and when striking, the knocking member pushes against the elastic member when moving toward the body, and can replace different elastic elastic members to provide different Elastic, and can change the degree of locking of the locking member to provide different elastic force, wherein the user can be reminded whether the tapping force is greater than the originally predetermined force by recognizing whether the elastic member is compressed or not. The pre-set compression force of the elastic member provides a force-limiting effect, and the elastic member can temporarily absorb the reaction force of the striking member, thereby generating a labor-saving effect of delaying rebound shock absorption and saving tapping energy. The force-limiting damper device of claim 1, wherein the sleeve portion of the knocking member is movably inserted into the joint portion through the sleeve hole, and the sleeve portion is annularly recessed on the outer surface. Limit a slot, and the sleeve portion is provided with a limiting bolt extending transversely through the joint portion and extending into the limiting slot, and can provide a limited mutual sliding space, so that the sleeve portion is combined with the joint portion. The tapping portion is integrally formed with the sleeve portion, and the elastic member is disposed in the housing of the joint portion and abuts against the sleeve portion of the knocking member, so that the elastic member is wrapped around the joint portion And between the sets. The force-limiting damper device of claim 1, wherein the joint portion is provided with an external thread on an outer surface near the opening, and the sleeve portion of the knocking member is combined with the tapping portion, and the sleeve portion is provided And a limiting cover screwed to the outer thread of the joint portion, so that the tapping portion can protrude from the joint portion through the limit cover, and the elastic member is disposed in the joint portion and is opposite to the sleeve portion Stick to it. The force-limiting damper device of claim 1, wherein the sleeve hole axially penetrates the top and the bottom of the joint portion, and the sleeve portion of the knocking member is movably inserted through the sleeve hole a limiting slot is formed in the housing of the joint portion, and the sleeve portion is annularly recessed on the outer surface, and the sleeve portion is provided with a limiting bolt extending transversely through the joint portion and extending into the limiting slot, and Providing a limited space for sliding each other, the sleeve portion is combined with the joint portion, the tapping portion is integrally formed with the sleeve portion and protrudes from the bottom portion of the joint portion through the sleeve hole, the elasticity a member is disposed in the chamber of the joint portion and abuts against the sleeve portion of the knocking member, the lock member is combined with the joint portion of the body and abuts against the elastic member, and the elastic member is disposed on the sleeve Between the sleeve and the lock. The force-limiting damper device of claim 1, wherein the sleeve hole extends axially through the top and bottom of the joint portion, and the sleeve has an inner diameter at the top of the joint portion that is larger than the sleeve hole at the joint An inner diameter of the bottom portion of the portion, and the joint portion defines a cavity communicating with the sleeve hole. The outer diameter of the sleeve portion of the tapping member is greater than the sleeve hole at the bottom of the joint portion. The inner diameter of the joint portion can be movably extended from the bottom surface of the joint portion through the sleeve hole at the top of the joint portion, and does not fall off. The locking member is coupled to the joint portion of the body and abuts against the elastic member, and the elastic member is disposed between the sleeve portion and the locking member, the locking member is rotatably coupled to the joint portion The top of the combination is integrated into the chamber, and the elastic member is disposed on the combination The chamber of the portion abuts against the sleeve portion and the locking member, and the tapping portion is integrally formed with the sleeve portion and protrudes from a bottom surface of the joint portion through the sleeve hole. The force-limiting damper device of claim 5, wherein the tapping portion is coupled to the sleeve portion by a screw lock. The force-limiting damper device of claim 1, wherein the sleeve hole extends axially through the top and bottom of the joint portion, and the joint portion is provided with an external thread on an outer surface near the opening, the sleeve portion being The tapping portion is combined, and the sleeve portion is provided with a limiting cover screwed to the outer thread of the joint portion, so that the tapping portion can extend the joint portion through the limit cover, the force reduction The shock device is provided with a locking member that is coupled with the engaging portion of the body and abuts against the elastic member, and the elastic member is disposed between the sleeve portion and the locking member, the locking member is rotatably The elastic member is disposed in the chamber of the joint portion and abuts against the sleeve portion and the lock member, in combination with the top portion of the joint portion and extending into the chamber. The force-limiting damper device of claim 1, wherein the joint portion is a solid structure, and the sleeve portion is combined with the tapping portion, and the tapping member passes through the plurality of the sleeve portions and The joint portion is fixed with a combined limiting rod, and the tapping portion is disposed under the joint portion. The elastic member is provided with a plurality of through holes for the limiting rod to pass through, so that the elastic member is located at the joint portion. And between the sleeves of the knocking member. The force-limiting damper device of claim 1, wherein the joint portion is provided with a coupling hole at the bottom, the sleeve portion is combined with the tapping portion, and the tap portion is longitudinally disposed with a card having a class shape. a perforation, and a coupling post that is disposed through the locking perforation and combined with the coupling portion of the coupling portion, the tapping member is disposed under the joint portion, and the elastic member is disposed outside the coupling post and located at the joint Between the joint and the knocking member. A force-limiting damper device is provided with: a body, the body is an elongated rod body, the body is provided with a joint at one end, wherein the joint portion is provided with a joint hole at the bottom, the body is away from One end of the joint portion is provided with a grip portion; a knocking member movably coupled to the body to be movable relative to the joint, the tapping member being provided with a set portion and a tapping portion, the tapping member being provided with a combination a binding column combined with the hole; and an elastic member disposed between the knocking member and the joint portion with the body, the elastic member is pushed against the knocking member, so that the knocking member can be The binding post is integrated with the elastic member and the striking member, and the binding post and the striking member are respectively located on two sides of the elastic member, and the striking member is oriented One side of the elastic member is convexly provided with a plurality of reinforcing columns which are coupled with the elastic member, thereby increasing the structural strength between the knocking member and the elastic member. The force-limiting damper device of claim 1, wherein the striking member is an annular cover body movably sleeved on the joint portion and having an opening upward, and the elastic member is disposed on the joint portion and the Knock between pieces. The force-limiting damper device of any one of claims 1 to 11, wherein the elastic member is provided with a plurality of springs, rubber blocks, which are superposed on the upper and lower sides and located between the joint portion and the knocking member, Silicone block, metal gasket, elastic metal block or elastic block.