30 results about "Double reed" patented technology

An engine structure and mechanism that operates on various combustion processes in a two-stroke-cycle without supplemental cooling or lubrication comprises an axial assembly of cylindrical modules and twin, double-harmonic cams that operate with opposed pistons in each cylinder through fully captured rolling contact bearings. The opposed pistons are double-acting, performing a two-stroke engine power cycle on facing ends and induction and scavenge air compression on their outside ends, all within the same cylinder bore. The engine includes a novel compressor arrangement having an intake valve comprising a V-shaped double reed valve with an apex pointing toward the intake port and an exhaust valve having a V-shaped double reed valve with an apex pointing away from the exhaust port. The compressor arrangement may further include rectangular intake and exhaust ports, a rectangular piston rod and rectangular crosshead bearings.

The invention discloses a double-reed large-turning angle flexible joint, relates to the technical field of mechanical kinematic pairs, and solves the problem that the conventional flexible hinge is small in motion range. The double-reed large-turning angle flexible joint is characterized in that a first shell is integrally formed by a 210-degree arc plate and a 90-degree arc plate; the side wall of the 210-degree arc plate and the side wall of the 90-degree arc plate are integrally connected, and the thickness of the 90-degree arc plate is smaller than that of the 210-degree arc plate; the 210-degree arc plate of the first shell is arranged outside a 90-degree arc plate of a second shell, the 90-degree arc plate of the first shell is arranged inside a 210-degree arc plate of the second shell, and a gap is formed between the first shell and the second shell; a first flexible plate is inserted into the first shell and the second shell through a first through groove and a second through groove; a second flexible plate is inserted into the first shell and the second shell through the remaining parts of the first through groove and the second through groove. The double-reed large-turning angle flexible joint is applied to the field of large-stroke precision transmission mechanisms and flexible transmission.

The invention discloses a device for improving the measurement accuracy and the measurement reliability of a single-tipping-bucket rain gauge and a use method for the same. According to the device and the method, the conventional stainless steel is replaced by a light-weight alloy material for producing a tipping bucket, and Teflon is sprayed on the surface of the water collection side of the rain gauge; a difference reduction system composed of a micro-valve, a valve opening-closing device and a bypass flow guide tube is additionally arranged; a double-reed switch composed of two single reed switches which are arranged in a staggering manner is used for replacing the conventional reed switch; the switching signal output by the reed switch is processed by adopting a mutual calibration method for the two double-reed switches; and a digital rain amount value is transmitted via a low-power-consumption ZigBee wireless mode which is convenient for networking. Via the device and the use method disclosed by the invention, the difference and the wetting loss during the measurement process are reduced, the defect that the single reed switch is easy to generate mis-operate due to the environment magnetic interference is solved, and the reliability of the rain gauge is improved; and the digital rain amount value is transmitted via the low-power-consumption ZigBee wireless mode, so that the networking is convenient.

The invention relates to a snap-action temperature controller which comprises a shell body, a bimetallic strip, a contact pair and a drive device, wherein, the contact pair includes a static contact and a moving contact; the snap-action temperature controller is characterized in that the moving contact is electrically connected with a connecting terminal by a conducting strip; the conducting strip comprises a first reed and a second reed which are laminated together; when the drive device causes the contacts to be disconnected under the action of the flexural deformation of the bimetallic strip, the second reed directly leans against the drive device, in addition, the thickness of the second reed is between 0.1mm and 0.8mm while the proportion of the thickness of the first reed to the thickness of the second reed is between 1:4 to 1:1. Compared with the prior art, the temperature controller changes the conducting strip connecting the moving contact with the connecting terminal into a structure with two reeds laminated together; the double-reed structure increases the area of electrified section of the conducting strip, thereby improving the load bearing capability of the conducting strip, causing the temperature controller to be capable of bearing current as high as 50A and ensuring that the temperature controller can be connected with large-power load.

The invention relates to an automatic double-reed cutting and assembling machine in order to overcome the defects that in the prior art, installation efficiency and working efficiency are low, and the rejection rate is high. The automatic double-reed cutting and assembling machine comprises a base plate. A transmission mechanism is installed on the base plate and provided with a front-back carrying mechanism. A die punching mechanism is arranged above the front-back carrying mechanism. A disconnection part connecting mechanism is arranged on one side of the transmission mechanism. A mechanical arm mechanism is installed on the other side of the transmission mechanism. A feeding mechanism is arranged on the die punching mechanism. By adopting the technical scheme, the automatic double-reed cutting and assembling machine can be used as a link of a flow production line and can also be used as a device for producing and installing double-reed blade springs independently. Full-automatic work without manual assistance can be achieved completely, working efficiency is high, and the rejection rate is low.

The invention provides an eddy current damper with an axial double-reed structure. The eddy current damper comprises a permanent magnet, wherein the permanent magnet is mounted in a housing; a coil is mounted and fixed on a bracket around the permanent magnet and moves relative to the housing in the axial direction to form a main eddy current; and a damping coefficient adjusting device is arranged on the housing and electrically connected with a series coil. The eddy current damper can adapt to vibration with different frequencies and amplitudes generated by influence of other factors in precision equipment, and the optimal shock insulation effect is achieved; a lead-out wire in a copper coil is led out to a damping coefficient adjusting module outside the housing, so that the damping coefficient is adjusted quickly; the eddy current damper has the advantages of high radial rigidity and low axial rigidity, and different overall rigidity can be obtained by adjusting the thickness and the shape of reeds; a special locking mechanism is designed between a front end cover and a shaft, so that the reliability of a non-working state is guaranteed; and based on limiting mechanisms such as a base, the front end cover and a movable shaft, the effective working range is guaranteed.

A three-freedom elastic linking mechanism based on dual-reed unit for linking two objects or parts in order to implement precise movement transfer or constraint features that three dual-reed units are arranged on some optimal supporting circle on the object to be linked at the intervals of 120 deg to form a three-point linking elastic linking mechanism. Said dual-reed unit is composed of opposite two reeds whose both ends are fastened. Said elastic linking mechanism has limit post or displacement regulating post fixed two fastened points.

The invention discloses a double-reed type jack structure, which comprises inner reeds oppositely arranged so as to form a jack which is connected with an adaptive sheet type contact pin in an inserting manner, wherein the inner reed comprises a first connecting part and a plurality of first spring claws arranged on the first connecting part in parallel, the first spring claw is provided with a first contact part, an outer reed is arranged on the outer side of each inner reed, the outer reed comprises a second connecting part fixedly connected with the first connecting part and a plurality ofsecond spring claws arranged on the second connecting part side by side, the second spring claws located on the same side and the first spring claws are arranged in a staggered mode, and the second contact parts of the second spring claws are arranged between the adjacent first spring claws in an extending mode and used for making contact with the adaptive sheet type contact pins. According to theinvention, a steel-clad copper double-reed type structure is adopted, so that good elasticity and conductivity are achieved; and compared with a single-reed jack structure, when the double-reed typejack structure is matched and inserted with the sheet type contact pins, the number of contact points is large, the contact retention stability is good, and the double-reed type jack structure is particularly suitable for multi-vibration working environments such as automobiles and the like.

A reed-actuated animal call having a double-reed assembly and triple-reed assembly. The double-reed assembly has a short reed positioned atop a long reed positioned atop a sound board. An air passage is formed in the top of the sound board underneath the long reed. The long reed extends a determined length beyond the end of the short reed, the short reed constraining the long reed to enable the rapid activation of the long reed. The triple-reed assembly has an additional mid-length reed positioned between the short and long reeds. The long reed extends a determined length beyond the end of the mid-length reed, the mid-length reed extends a determined length beyond the short reed above the sound board, and the mid-length and short reeds constrain the long reed so as to enable the rapid activation of the long reed with a different resonance than the double-reed assembly.

A sheet-type contact element jack structure comprises: a clamp spring; a sheet-type contact assembly, wherein, wherein the sheet-type contact assembly is installed in a snap spring jack, the front endand the rear end of the sheet-type contact assembly are used for being matched with adaptive sheet-type contact pins in an inserted mode; and reeds, wherein the reeds are symmetrically installed on the upper surface and the lower surface of the sheet-type contact assembly. The front end of the sheet-type contact assembly is oppositely provided with a plurality of first spring claws which are arranged at intervals along the width direction of the sheet-type contact assembly, and the rear end is oppositely provided with conductive clamping pieces. The front end of each reed is provided with a second reed claw which is arranged between the adjacent first reed claws and is in conductive contact with the corresponding sheet-type pin, and the rear end of each reed is provided with a third reedclaw which is arranged in a through hole formed in the conductive clamping piece and is in conductive contact with the corresponding sheet-type pin. According to the invention, compared with the existing single-reed structure, the steel-clad copper type double-reed structure adopted in the invention is advantageous in that the contact contacts and the contact retentivity with the adaptive sheet-type contact pins are increased while the processing and the assembly are convenient, the stability of electrical connection is improved, and the sheet-type contact element jack structure is particularly suitable for a high-frequency vibration environment.

The double reed gouger, is a machine that has been used as a means to accurately and effectively remove excess material from within the concave structure of the split and measured double reed cane. This machine process is essential to the production of the double reed, when inserted into applicable instrument, is able to reproduce a specific vibration from within the cane to enable the player to easily and without much effort perform notes with ease of vibration and accuracy of pitch. The double reed gouging machine particularly for the Oboe, Oboe D′amore, English horn and Bassoon Family of instruments is in need of major upgrades to it's usefulness, accuracy and comfort by way of modern machining and design. This is a continuation of such efforts.

The invention discloses a double-reed lens driving device. The double-reed lens driving device includes a square shell, a square lens carrier and a fixing base; the exterior of the square lens carrier is wound with a coil; a gasket is arranged above the square lens carrier; a first reed is arranged between the top of the square lens carrier and the gasket; a second reed is arranged between the bottom of the square lens carrier and the fixing base; the first reed includes a first outer square frame and a first inner circular ring connected with the first outer square frame; the first inner circular ring is provided with a plurality of first gluing holes; and the inner hole of the first inner circular hole is provided with at least eight trapezoidal limiting grooves. According to the double-reed lens driving device of the invention, the square lens carrier is fixed between the first reed and the second reed, and therefore, the double-reed lens driving device has the advantages of high connection reliability, excellent anti-impact performance, little possibility of positioning deviation, high precision, high stability and prolonged service life.

A method for assembling a double reed mouthpiece for use within an oboe utilizes heat shrink tubing to affix a folded cane to the staple of the mouthpiece. The staple is mounted on a ligating stand having a heatshield that protects a cork sleeve around the staple. Heat shrink tubing and a folded cane are then placed over the exposed proximal end of the staple. A clamp holds the folded cane in place. Heated air is used to ligate and affix the folded cane to the staple. The heatshield prevents damage to the cork sleeve. The heat shrink tubing securely affixes the folded cane to the staple.

The invention discloses an auxiliary fixing device for carbon fiber sheet laying of a railway vehicle body, and belongs to the field of auxiliary positioning devices for carbon fiber sheet laying. The auxiliary fixing device comprises a screw rod, a guide sliding block, two single-reed type semi-conical heads, a sleeve, a tongue expanding piece, a sleeve tail end cover, a spring piece, a clamp reed, a sleeve front end cover and a dovetail type nut, wherein, the screw rod and a double-reed type conical head are coaxially and fixedly connected to the front end face and the rear end face of the guide sliding block, and the screw rod, the double-reed type conical head and the guide sliding block jointly form an integral conical head positioning push rod; and each single-reed type semi-conical head comprises a reed straight rod, a reducing elbow and a semi-conical head body which are fixedly connected in sequence and are integrally formed, and the tongue expanding piece comprises a tongue piece body and a wafer seat which are integrally formed. The device is exquisite in design, can be independently mounted and dismounted by one operator on the premise that other mounting or dismounting tools in any form are not needed, is convenient, quick, simple and practical, greatly saves the production cost, and improves the efficiency.

The invention discloses a novel multi-cable socket, and relates to a connecting device of an electric system. The novel multi-cable socket is used for solving the problems that after multiple times of inserting and pulling are carried out, the impedance of contact faces between reeds can be increased to a certain degree, the voltage drop is increased, and accordingly the reeds are heated; the reeds are prone to generating deformation after a long time, and the service life is short are solved. The novel multi-cable socket comprises shunt socket bodies. Each shunt socket body comprises the front wiring end, the rear wiring end, a front copper column, a rear copper column, an insertion opening and a base plate, the insertion opening comprises a front double-reed sheet and a rear double-reed sheet, the front double-reed sheet comprises an upper single-reed sheet and a lower single-reed sheet which are separated, the rear double-reed sheet comprises an upper single-reed sheet and a lower single-reed sheet which are separated, the opposite faces of the front ends of the upper single-reed sheets of the front double-reed sheet and the rear double-reed sheet are bent to form upper contact faces, the upper single-reed sheets of the front double-reed sheet and the rear double-reed sheet are connected through the upper contact faces, the opposite faces of the front ends of the lower single-reed sheets of the front double-reed sheet and the rear double-reed sheet are bent to form lower contact faces, and the lower single-reed sheets of the front double-reed sheet and the rear double-reed sheet are connected through the lower contact faces; limiting protrusions are arranged at the opposite ends of the front copper column and the rear copper column respectively; due to the fact that the shunt socket bodies are improved, the multi-cable socket is reliable.

The invention discloses a double-reed temperature controller, and mainly aims at solving the problem that the single-reed temperature controller is too small in amperage to influence the normal running of the compressor and make the contacts be easy to coke when the international trade refrigerator is started under 110V voltage. The double-reed temperature controller mainly consists of an on / off system and an adjusting system, wherein the on / off system comprises a grounding terminal, a connecting terminal, a longitudinal U-shaped reed, a transverse U-shaped reed, a movable straight reed, a movable contact, a fixed contact, a fixed straight reed, a normally closed movable contact and a normally closed fixed contact; and the adjusting system comprises a temperature adjusting knob, a cam, an adjusting rod, a halt temperature adjusting bolt, a boot temperature adjusting bolt, a hook-shaped lever, an L-shaped lever, a transverse push rod, a capillary temperature sensing probe, a corrugated pipe and a halt temperature fine adjusting bolt. The double-reed temperature controller has the advantage that the diversion area is increased through increasing the double reed, so that when the contacts are closed, the current flowing through the U-shaped reed is amplified, the starting requirement of the compressor is satisfied, the contact coking probability is reduced and the service life of the temperature controller is prolonged.

A computerized reed fabrication system having an X-Y-Z axes computer numerical controlled (CNC) machine capable of holding a tool bit. The CNC machine operates under the control of CNC software commands. The reed fabrication system further includes a tool bit held by the CNC machine and a reed holder located adjacent that tool bit. Non-transitory computer readable media stores CNC software commands. A computer reads those stored CNC software commands and sends them to the CNC machine. The CNC software commands cause the CNC machine to move the tool bit relative to the reed holder as required to fabricate a double reed from a cut piece of reed cane.

The invention discloses an ultra-high-efficiency double reed refrigerator compressor suction valve, which comprises a left reed, a right reed and a valve body for installing the left and right reeds, the valve body is provided with a left tongue The reed mounting hole and the right reed mounting hole, the left and right reeds are detachably connected with the left and right reed mounting holes respectively; the left and right reeds are combined for installation and use, the left, right Right tongue reed all comprises reed tongue, cantilever and fixed end, and the top of cantilever is fixedly connected with reed tongue, and the bottom end is connected with fixed end; large, poor fatigue resistance; high production costs, and long time-consuming technical problems for the reeds to be polished. The present invention uses a group of reeds for combined use, which reduces the cross-sectional area of ​​the cantilever, and at the same time It also greatly improves the anti-fatigue performance of the tongue reed, improves the refrigeration efficiency of the refrigerator compressor, reduces the production cost, and improves the productivity.

A di-code security door is composed of a DC-AC dual-use power source, an infrared code recognizer or a simple mobile phone, an infrared receiver, a stepping machine 1, a stepping machine 2, a horizontal insertion pin, an upper vertical insertion pin, a lower vertical insertion pin, an upper withstanding groove, a lower withstanding groove, double reeds, an alarm bell or a power line of the simple mobile phone and a door shaft. The di-code security door provided by the invention adopts dual functions including specific frequencies of infrared rays as well as passwords or a mobile phone number. A common lock only adopts a horizontal locking mode. The door adopts a stereoscopic locking mode, so that the whole security door is firmer and more reliable and has a higher security coefficient; and the door is not damaged easily and can be repaired easily, wherein an owner can unlock the door more reliability by the double steeping machines, and scrapping of the whole door caused by the failure to unlock the door can be avoided. An iron plate which covers the lock in the door can be opened indoors, so that password modification or repairing can be implemented easily, and the lock body is maintained; the door can be installed as a whole and can be also made into a door lock separately, and the lock can be installed on a security door which is equipped with other door locks, so that anti-theft functions of the original door can be improved; and in case of serious damage, a ringing alarm can be sent out in time, and relevant people can be notified by the mobile phone.

The invention discloses a device for improving the measurement accuracy and the measurement reliability of a single-tipping-bucket rain gauge and a use method for the same. According to the device and the method, the conventional stainless steel is replaced by a light-weight alloy material for producing a tipping bucket, and Teflon is sprayed on the surface of the water collection side of the rain gauge; a difference reduction system composed of a micro-valve, a valve opening-closing device and a bypass flow guide tube is additionally arranged; a double-reed switch composed of two single reed switches which are arranged in a staggering manner is used for replacing the conventional reed switch; the switching signal output by the reed switch is processed by adopting a mutual calibration method for the two double-reed switches; and a digital rain amount value is transmitted via a low-power-consumption ZigBee wireless mode which is convenient for networking. Via the device and the use method disclosed by the invention, the difference and the wetting loss during the measurement process are reduced, the defect that the single reed switch is easy to generate mis-operate due to the environment magnetic interference is solved, and the reliability of the rain gauge is improved; and the digital rain amount value is transmitted via the low-power-consumption ZigBee wireless mode, so that the networking is convenient.

A method for assembling a double reed mouthpiece for use within an oboe utilizes heat shrink tubing to affix a folded cane to the staple of the mouthpiece. The staple is mounted on a ligating stand having a heatshield that protects a cork sleeve around the staple. Heat shrink tubing and a folded cane are then placed over the exposed proximal end of the staple. A clamp holds the folded cane in place. Heated air is used to ligate and affix the folded cane to the staple. The heatshield prevents damage to the cork sleeve. The heat shrink tubing securely affixes the folded cane to the staple.

The invention relates to an automatic double-reed cutting and assembling machine in order to overcome the defects that in the prior art, installation efficiency and working efficiency are low, and the rejection rate is high. The automatic double-reed cutting and assembling machine comprises a base plate. A transmission mechanism is installed on the base plate and provided with a front-back carrying mechanism. A die punching mechanism is arranged above the front-back carrying mechanism. A disconnection part connecting mechanism is arranged on one side of the transmission mechanism. A mechanical arm mechanism is installed on the other side of the transmission mechanism. A feeding mechanism is arranged on the die punching mechanism. By adopting the technical scheme, the automatic double-reed cutting and assembling machine can be used as a link of a flow production line and can also be used as a device for producing and installing double-reed blade springs independently. Full-automatic work without manual assistance can be achieved completely, working efficiency is high, and the rejection rate is low.

A reed-actuated animal call having a double-reed assembly and triple-reed assembly. The double-reed assembly has a short reed positioned atop a long reed positioned atop a sound board. An air passage is formed in the top of the soundboard underneath the long reed. The long reed extends a determined length beyond the end of the short reed, the short reed constraining the long reed to enable the rapid activation of the long reed. The triple-reed assembly has an additional mid-length reed positioned between the short and long reeds. The long reed extends a determined length beyond the end of the mid-length reed, the mid-length reed extends a determined length beyond the short reed above the soundboard, and the mid-length and short reeds constrain the long reed so as to enable the rapid activation of the long reed with a different resonance than the double-reed assembly.

The invention relates to a double-reed amalgam component for an electrodeless lamp. The double-reed amalgam component for the electrodeless lamp comprises main amalgam (solid mercury) 1, auxiliary amalgam (indium net) 2, a double spring 3 consisting of two compression springs and an exhaust pipe 4 and is characterized in that: the main amalgam (solid mercury) 1 is connected with the auxiliary amalgam (indium net) 2 through the double spring 3; and due to the radial tension, expanding towards the circumferential direction, of the double spring, the amalgam component is stably erected in the exhaust pipe and the auxiliary amalgam (indium net) 2 is not inclined and is not turned over.