243results about "Hand hammers" patented technology

The utility model provides a circulating type hammering device, and belongs to the field of mechanical engineering. The problems that at present, the number of circulating reciprocating type releasing devices which are compact in structure, low in manufacturing process requirement and large in force storage stroke is small are solved. And the problems of low mechanical efficiency, poor stability and high process requirements exist. A circulating reciprocating type hammering device comprises a guide rail, a hammer body and a hook, the hammer body is arranged on one side of the guide rail in a sliding mode, a reset spring is arranged between the hammer body and one side of the guide rail, and the hook is arranged on the guide rail in a sliding mode and can move back and forth in a reciprocating mode. When the hook gets close to the hammer body, the hook grabs the hammer body and drives the hammer body to compress the reset spring, and when the reset spring is compressed to the limit, the hook releases the hammer body, and the hammer body is popped out by the reset spring. The device has the advantages of being small in occupied space, high in stability, high in mechanical efficiency, low in process requirement and convenient to achieve circulating type'force storage-release '.

A slide hammer attachment with pliers-type or clamping members having a threaded clamping mechanism for securely gripping a fastener or work piece. The tool, when coupled to a slide hammer, may provide a secure clamping force, co-axial with an axis of a slide hammer shaft, on or about a fastener or work piece. The clamping force may facilitate removal of the work piece from a fitting with a pulling-type force.

The utility model relates to the field of rubber hammers, and particularly discloses a multifunctional rubber hammer which comprises a grip, a hammer handle connected with the grip, a hammer body connected with the hammer handle, a buffering mechanism arranged on one side of the hammer body and a hammer head connected with the buffering mechanism, a first threaded ring is arranged on one side of the hammer body, the hammer head is made of rubber, and a second threaded ring is arranged on the other side of the hammer body. The rubber hammer comprises a hammer head and a buffer mechanism, the hammer head is used for hammering a part needing to be hammered, the buffer mechanism further buffers the hammer head, the buffer mechanism can adjust the buffer strength, and the extrusion degree of a first spring can be adjusted by arranging a fixing ring, so that the buffer strength of the buffer mechanism is adjusted, and the hammering strength of the rubber hammer is better controlled.

Disclosed herein is a grip comprising an internal bore with an opening having an internal tapered edge. The grip can engage with a tool or a piece of sports equipment. Further disclosed herein is a method of installing a grip onto a tool or piece of sports equipment, including providing a grip having a tubular body; grinding an open first end of the body, wherein the open first end comprises a greatest diameter closest to the exterior of the bore and tapers internally at an angle towards the interior of the bore; providing a shaft or handle; applying an adhesive to a top portion of the handle; sliding the handle into the grip bore until the shaft contacts the a capped second end of the grip; and coupling a surface of the bore to the handle by allowing the adhesive to dry.

The utility model relates to the technical field of hardware tools, in particular to a damping titanium alloy connected claw hammer which comprises a hammer head and a hammer handle, the hammer head is arranged at one end of the hammer handle, an impact head is slidably arranged on the hammer head, an impact damping part is arranged between the impact head and the hammer head, and the impact damping part is used for absorbing vibration force generated by the impact head. A plurality of damping holes are formed in the hammer handle in the length direction of the hammer handle, and a hand damping piece is arranged on the hammer handle and used for absorbing vibration force on the hammer handle. The device has the effects of shock absorption, weight reduction and convenience in operation.

The utility model discloses a rubber hammer convenient to disassemble, which comprises a hammer handle and a hammer head, and the hammer handle and a limit block arranged on the hammer handle. The hammer head is connected with the hammer handle and comprises a channel formed in the hammer head, a spring arranged in the channel, a baffle connected with the spring, a cavity formed in the channel, a clamping groove formed in the cavity and a sliding groove formed in the inner wall of the channel; and soft rubber is arranged at the end part of the hammer handle. The limiting blocks are arranged on the rod portion of the hammer handle and symmetrically arranged on the outer wall of the hammer handle. The hammer handle can be inserted into the channel which is vertically formed in the side wall of the hammer head; according to the rubber hammer convenient to disassemble, the hammer handle and the hammer head are detachably connected, the size of the hammer head is convenient to replace, meanwhile, the hammer head is disassembled into a detachable structure, a fixing screw does not need to be screwed, and the rubber hammer can be used after being disassembled and is convenient and fast.

A handheld titanium hammer including a handle with a transverse hoop at one end, and a hammer head inserted therein. The hoop at the front-facing edge includes a notch. The hammer head includes a flange with a nub and an intermediate portion with a downward facing sloped surface and a recessed bed. A wedge having an upward facing angular surface fits into the hoop from the back end and pushes against the sloped surface of the intermediate portion for a wedging action. The wedging action also lifts the bed into a flattened wall section of the hoop capturing it therein. The nub of the flange is captured within the notch in the hoop. A fastened secures the wedge and hammer head together inside the hoop.

The utility model relates to the technical field of geological survey, and discloses a knocking hammer for mineral resource geological survey, which comprises a splicing assembly, the splicing assembly comprises a hammer head, a limiting groove is arranged on one side of the hammer head, the limiting groove is connected with a limiting block, the limiting block is connected with a balancing weight, the balancing weight is connected with a bolt, and the bolt is connected with a nut. The lower end of the hammer head is connected with a threaded connecting column, the lower end of the threaded connecting column is connected with a chisel head, one side of the hammer head is connected with a connecting shaft, one end of the connecting shaft is connected with a first hammer handle, and the outer ring of the first hammer handle is connected with a rubber pad. According to the utility model, the resistance of rocks can be overcome more quickly during knocking, the same crushing effect can be achieved by reducing the knocking times, the time can be saved and the working efficiency can be improved in geological survey, and the hammer head can obtain higher linear speed and kinetic energy under the condition of applying the same force, so that the knocking force is enhanced, and the service life of the hammer head is prolonged. And the rock sample can be crushed more effectively.

The utility model relates to the technical field of railway maintenance tools, and in the daily maintenance and inspection of a railway system, an inspector usually needs to carry various tools, such as using a common hammer to smash and knock, using a wrench to inspect and fasten a loose bolt, and using tools such as a feeler gauge to measure a gap or a gap between a rail and a sleeper. In order to solve the technical problems that the carrying burden of inspection personnel is increased, and the working efficiency is possibly influenced by incomplete tools in emergency, the utility model discloses a multifunctional inspection hammer which comprises a hammer rod, a hammer head, a connecting pipe and a wedge-shaped filler gauge, the hammer head is connected to the right end of the hammer rod, a clamping groove is formed in the hammer head, and the wedge-shaped filler gauge is arranged in the clamping groove. A hammering part is arranged on the hammer head; the hammer rod is a structural body with an opening in the left end and an inner cavity, internal threads are arranged on the wall of the inner cavity of the hammer rod, the left end of the hammer rod is in threaded connection with one end of the connecting pipe, a wedge-shaped filler gauge is arranged at the other end of the connecting pipe, and scale marks are arranged on the wedge-shaped filler gauge.

The utility model relates to the technical field of sleeve hammers, in particular to a multifunctional sleeve hammer which comprises a hammer head, an adjustable hammer handle is arranged on the lower side of the hammer head and comprises a telescopic handle, a sleeve is arranged on the outer side of the telescopic handle, an adjusting knob is arranged at the bottom end of the sleeve, and an adjusting lead screw is fixed on the upper side of the adjusting knob. A threaded hole in threaded connection with the adjusting lead screw is formed in the lower side of the telescopic handle, a through hole is formed in the hammer head, a cylindrical hollow area is formed in the inner side of the through hole, a striking block is arranged at one end of the through hole in a limiting mode, and a hammering rod is slidably arranged at the other end of the through hole; a compression spring is clamped between the hammering head and the cylindrical hollow area, a base rod is rotationally arranged on the upper side of the hammer head, and a positioning rod is rotationally arranged on one side of the sleeve. The multifunctional hammer solves the problems that an existing hammer has few functions, a nail completely nailed into wood cannot be pulled out, the position of the nail cannot be positioned, and the nail cannot be nailed into hard materials due to insufficient torque.

The present invention relates to an anvil for an impact mechanism, wherein the anvil includes a tapering wing that tapers at an angle of about 5 degrees to about 30 degrees. The anvil can also include a shaft extending from the wing, and a drive end adapted to transmit and apply torque to a workpiece. The wing of the anvil also includes a wing impact surface that receives a rotational impact force from a hammer body. For example, the hammer body contacts the wing of the anvil and applies torque thereto.

To provide a vibration attenuation device, limiting an impact input, that is enhanced in practicality and usability, has presentation effect, is improved in feeling of vibration, and adjusts the input as required.SOLUTION: A vibration attenuation device limits an impact input, and comprises a main body 10, an impact assembly, a vibration attenuation member 33, and an input limiting assembly. The main body includes a coupling part 11 and a grip part 12, and the impact assembly is combined with the main body to move relative the coupling part, and also includes an insertion part 21, an impact part 22, and a fastening part 23, wherein the insertion part is combined movably with a perforated hole of the coupling part, the impact part is located below one end of the insertion part and the coupling part, and the fastening part is fitted to the insertion part and also abuts on the coupling part. The vibration attenuation member is mounted on the insertion part and abuts on the coupling part and impact part, and the input limiting assembly is arranged between the impact assembly and main body to provided input presentation effect.SELECTED DRAWING: Figure 1

A striking tool may include a head that may extend along a lateral axis and may have at least one contact portion for delivering an impact, a handle that may be operably coupled to the head and may extend substantially along a longitudinal axis, and a core member that may be operably coupled to the handle and may extend substantially along the longitudinal axis. The core member may extend into an orifice in the head and through at least a portion of the head. The polymer material of the handle may surround the core member and may be disposed between the core member and the portion of the head through which the core member may extend. The handle may include an engagement interface monolithically formed with the handle and may extend entirely around a portion of a perimeter of the head to operably couple the handle to the head.

The utility model discloses a multifunctional conjoined claw hammer, which relates to the field of claw hammers, and comprises a hammer handle, the top end of the hammer handle is rotatably connected with a claw, the claw adopts a rotatable design, the hammer handle comprises a metal handle, and the outer side of the top of the metal handle is sleeved with a rubber anti-skid sleeve. The core highlight is that the claw part has the flexible characteristic of free rotation, a user can easily adjust the orientation of the claw according to actual use scenes such as nail pulling, object prying or force application angle adjustment, diversified requirements can be met without replacing tools, the rotating structure is precisely designed, it is ensured that the claw is stable and smooth during rotation, and the rotating effect is good. Meanwhile, the locking mechanism is reliable, modes can be switched rapidly, stable positioning can be achieved after the angle is selected, accidental deviation in operation is avoided, the innovative design greatly improves the applicability and operation efficiency of the tool, and a user can handle woodworking, maintaining and dismounting tasks with high proficiency.

An attachment configured for use with a powered hammer to drive a rod into the ground includes a body and an impact portion defining an impact axis. The impact portion includes a bore configured to receive a drive shank that is coupled to the powered hammer. The impact portion is configured to receive repeated impacts from the powered hammer. The attachment also includes a driving portion in which the rod is receivable. The driving portion includes a side load driving portion defining a side load driving axis. The side load driving axis is non-parallel to the impact axis.

A drive unit for a mobile machine tool is proposed, comprising a battery unit for providing an output DC voltage, an electric motor, and a switching device connected between the battery unit and the electric motor, by which the output DC voltage can be switched to control the electric motor, wherein the switching device has at least two switches, each of which is switched at a switching frequency of greater than or equal to 50 kHz, preferably greater than or equal to 100 kHz.

The light-weight plastic hammer handle comprises a handle rod, one end of the handle rod is connected with a hammer head, an outer sleeve assembly is connected to the outside of the handle rod in a sleeved mode, an installation block is arranged in the outer sleeve assembly, an inner bolt is connected to the end of the handle rod in a threaded mode, and a locking assembly is arranged in the installation block. The locking assembly is used for locking the inner bolt, a groove matched with the mounting block is formed in the end of the plastic sleeve, the plastic sleeve is sleeved with the anti-skid sleeve, and the anti-skid protruding lines are arranged on the outer portion of the plastic sleeve. By means of the mode that the handle rod, the outer sleeve set, the installation block, the inner bolt and the locking assembly are used in cooperation, under the action of the installation block and the inner bolt, the stability of the outer sleeve set installed outside the handle rod can be guaranteed, the probability that the outer sleeve set slides and falls off is reduced, under the action of the locking assembly, the stability of installation of the inner bolt can be guaranteed, and the service life of the inner bolt is prolonged. And loosening of the inner bolt caused by vibration generated by working of the hammer head is avoided.

The utility model discloses an electric palm hammer which comprises a shell assembly. The circuit board and the driving transmission assembly are respectively arranged in the shell assembly; the knocking assembly is arranged on the shell assembly in a penetrating manner and is in transmission connection with the driving transmission assembly; the battery assembly is detachably arranged on the shell assembly and is electrically connected with the circuit board; the driving transmission assembly comprises a driving mechanism; the speed reduction transmission mechanism is in transmission connection with the driving mechanism; the small bevel gear is in transmission connection with the speed reduction transmission mechanism; the transmission mechanism is rotationally arranged in the shell assembly, is in transmission connection with the small bevel gear and can be in intermittent contact transmission connection with the knocking assembly. According to the automatic nail knocking device, the driving mechanism knocks an iron nail arranged in the knocking assembly in a clearance mode through the speed reduction transmission mechanism and the small bevel gear driving transmission mechanism in sequence, so that automatic nail knocking operation is achieved, and the problems that an existing manual hammer is strenuous and inconvenient to operate in a small space are effectively solved.

A hammer structure comprises a handle, a first tool head and a second tool head, the handle is provided with a grip portion and a body portion which are connected with each other, one end of the body portion is provided with a containing and stretching notch, the other end of the body portion is provided with a shaft hole, one end of the first tool head is provided with an abutting edge, the abutting edge is provided with a fixing hole, and the fixing hole is communicated with the containing and stretching notch. A fixing hole is formed in the first tool head, a first hole is formed in the upper portion of the first tool head and communicated with the fixing hole, the second tool head is provided with a shaft rod, a fixed connection section is arranged at the side end of the shaft rod, and a second hole is formed in the fixed connection section.

The portable safety hammer comprises an outer shell, an inner shell, a blade, a thick spring, a thin spring, a crushing needle and an excitation base, the outer shell is in a hollow cylindrical shape, internal threads are arranged at the two ends of the inner side of the outer shell, a V-shaped cutting groove is formed in one end of the inner shell, the other end of the inner shell is connected with the excitation base in a sliding mode, and the blade is arranged on the blade. The outer edge of the side, corresponding to the excitation base, of the inner shell is provided with external threads, a limiting base is further arranged in the inner shell, one end of the crushing needle is clamped into the limiting base to slide, the other end of the crushing needle is clamped into the excitation base to slide, and the outer edge of the crushing needle is sleeved with the thick spring and the thin spring. The thick spring and the thin spring are positioned between the excitation base and the limiting seat; in the whole assembling process, only screws are needed to fasten the inner shell body, ultrasonic welding is not needed for combination of the outer shell body and the inner shell body, the time for switching station procedures needed by assembling is saved, and therefore production assembling is facilitated, and the overall production efficiency is improved.

A reinforced geological hammer comprises a hammer handle, a telescopic rod, a telescopic adjusting mechanism, a supporting plate, an insertion block, a fixing mechanism, a hammer head, a connecting mechanism and a hammer block, the insertion block is fixedly arranged on the top face of the supporting plate, the insertion block is sleeved with the hammer head, and the fixing mechanism is arranged between the insertion block and the hammer head; the fixing mechanism comprises shifting plates, a fixing block and a positioning block, a sliding groove is formed in the inserting block, the bottom end of the shifting plate is inserted into the sliding groove and slides along the sliding groove, one end of the fixing block is fixedly connected with the bottom end of the side wall of the shifting plate, and the other end of the fixing block penetrates through the side wall of the inserting block and is inserted into the hammer head; the bottom end of the positioning block is inserted into the sliding groove. Through the arrangement of the shifting plate, the fixing block and the positioning block, the hammer head is arranged on the inserting block in a sleeving mode, the shifting plate, the fixing block and the positioning block are used in cooperation to fix the position between the inserting block and the hammer head, and the stability of the device is improved; and the positioning block is pulled out, the poking plate is poked to retract the fixing block into the sliding groove, then the hammer head is replaced, and the convenience of the device is improved.

The present invention relates to a hammer with a nail box and a method for using the same. The hammer with the nail box comprises a nail box assembly, a hammer assembly, a striker locking and resetting assembly, and a nailing linkage assembly. The nail box assembly comprises a nail box, a cover plate, a nail pushing block, and a nail pushing spring. The hammer assembly comprises a body seat, a hammer head, a sleeve cylinder, and a striker. The body seat is formed with a nailing channel, and the striker is movably arranged to push the nails out along the nailing channel. The present invention can realize automatic nailing, and the nailing operation does not require hand-held nailing and nail taking procedures, which can simplify the construction procedures, reduce the labor intensity of construction personnel, improve work efficiency, and reduce safety hazards and resource waste. The nailing linkage assembly cooperates and links with each other through the cover plate, the push rod, the rotating buckle, and the nail pushing block, and the nailing operation only requires two actions to complete. The striker locking and resetting assembly can realize automatic locking of the striker, and it can be reset by swinging it hard. The operation is simple and convenient. The structure is reasonable and the design is ingenious, which can improve the convenience of operation and the user experience.

A connecting structure between a handle and a tool head, comprising a handle and a tool head, characterized in that the handle includes a plug-in section and a handle part, wherein a receiving hole is formed in the center of the tool head; the plug-in section is inserted into the receiving hole, wherein the end face of the plug-in section is flush with the end face of the tool head; a keyway is formed in the center of the plug-in section; a wedge element is inserted in the keyway; a screw is inserted through the center of the wedge element; the screw is connected to the handle and fixes the wedge element in the keyway; wherein the wedge element has a conical chamfer on its outer surface which, when driven into the keyway, expands the plug-in section radially outwards so that it sits firmly in the receiving hole of the tool head.

A manual impact driver for aiding the removal of a threaded fastening member from a structure, is disclosed having a longitudinal axis (L), the manual impact driver including a body having a first end and a second end and a sliding member configured to be coupled to the body at the second end. The impact driver is movable between a first configuration, upon impact at the first end of the body, a linear impact force is translated along the longitudinal axis (L) from the first end of the body to the sliding member and a second configuration, upon impact at the first end, the linear impact force produces a torque, about the longitudinal axis (L), at the sliding member. The impact driver is operable to switch between the configurations upon rotation, by a user, of the body with respect to the sliding member.

A hammer assembly for a power tool. The hammer assembly provides a first, proximal engagement portion couplable directly to a backside of the power. A second, distal engagement portion is directly connected to the first engagement portion. A head portion is directly connected to the second engagement portion. The second engagement portion provides one or more chambers, each chamber housing a spring for storing energy imparted by compressive forces against the head portion. Each spring directly interconnecting the first and second engagement portions through an open side of the chamber facing the first engagement portion. There is a gap between the first and second engagement portions, between their respective distal and proximal surface, which is spanned by the spring, enabling the latter to deflect before said surfaces contact under compressive loading.

A hammering tool with damping structure includes a strike member, a handle, a spacing member, and a handle sleeve. The handle is connected with the strike member and has a shock damping structure disposed on one side thereof, such that the handle has a non-smooth outer periphery. The spacing member is detachably connected with the handle corresponding to the shock damping structure, with a gap formed between the spacing member and the shock damping structure. The handle sleeve is mounted around the handle and the spacing member, and the handle sleeve is fittingly attached to the spacing member.

A hammer having a handle and head, the head comprising a cavity encapsulating a slug. The slug is configured to move in at least one direction within the cavity upon impact of the hammer with a target, reducing the transfer of momentum into the handle of the hammer and thus reducing vibration of the hammer in a user's hand. This dampening of the vibration can improve user ergonomics by minimizing fatigue caused by vibrations during continued use of the hammer.

A tool hammer comprises a hammer head, a handle body, a positioning block, a fixing piece and a filling fixing unit. A tapered slotted hole is formed in the top surface of the hammer head, and an equal-diameter slotted hole is formed in the corresponding bottom surface; a combination part is arranged at one end of the handle body and is accommodated in the equal-diameter slotted hole; the positioning block is accommodated in the gradually-contracted slotted hole, and two corresponding side surfaces of the positioning block are gradually contracted and are respectively provided with a filling groove in a concave manner; the fixing piece sequentially penetrates through the positioning block and the combination part, so that the bottom surface of the positioning block abuts against the top surface of the combination part; and the filling and fixing unit is filled in the tapered groove hole, the equal-diameter groove hole and the filling groove. By means of the tool hammer, the connection strength between the hammer head and the handle body can be enhanced, loosening is effectively prevented, the overall durability of the tool hammer is improved, and the service life of the tool hammer is prolonged.