53results about How to "Increase deformation space" patented technology

The invention discloses a silica gel filling U-shaped spring seal ring which comprises an elastic seal ring body, a metal ring and silica gel filling ring. The inner side of the elastic seal ring body is recessed to form a U-shaped groove. A lip is formed on each of the upper portion of the lower portion of the U-shaped groove. The section of the metal ring is U-shaped, and the metal ring is disposed in the U-shaped groove. The lips wrap the metal ring. The direction of the U-shaped opening of the metal ring is consistent with the direction of the U-shaped groove. The inside of the metal ring is filled with the silica gel filling ring. A sheet part which protrudes vertically is disposed at the outer edge of the elastic seal ring body. Protruding blocking parts are disposed at the opening of the U-shaped groove of the elastic seal ring body and on the inner sides of the lips. The thickness of each lip of the elastic seal ring body increases from the outer ring to the inner edge, and the upper surface and the lower surface of each lip is provided with recesses. By the silica gel filling U-shaped spring seal ring, the technical problems that the elasticity of conventional seal rings reduces or disappears, the sealing performance of the seal rings becomes poor, the sealing rings wear while rotating in grooves, dirt easies enter the seal rings, and the like are solved.

The invention provides a shockproof balance part of a sole, which is characterized by comprising an elliptically annular left frame and an elliptically annular right frame. The front end and the rear end of the left frame are connected with the front end and the rear end of the right frame through transverse arc bars to form an elliptical frame, the width of the cross section of the lower half circle of each of the left frame and the right frame is more than 3 times larger than the height of the cross section, a cambered shockproof sheet arching down is suspended on the elliptical frame, first support sheets connected with the upper half circle of each of the left frame and the right frame are arranged on the cambered shockproof sheet, and a shockproof rack arching up is disposed below the cambered shockproof sheet. With the shockproof balance part, the sole can have a sufficient deformation space and fine shock proofing, and can firmly hold a whole heel to keep a shoe stable. The shockproof balance part with cradle type buffering and shock absorption is high in comfort, has the function of automatic balancing and is capable of avoiding foot strain.

The invention relates to the technical field of plate type heat exchangers, and discloses a plate type heat exchanger with a good sealing property. The plate type heat exchanger includes a plurality of heat exchanging plate pieces alternately flipped and stacked with each other and sealing gaskets located between every adjacent heat exchanging plate pieces, each sealing gasket comprises a first sealing part and a second sealing part which is located on one side of the first sealing part and integrally formed with the first sealing part, and each first sealing part comprises an embedded arc-shaped bottom, a clamping groove part and a flow stopping top from bottom to top; and one sides of the second sealing parts are in butt joint with one sides of the flow stopping tops and formed integrally, the other sides, opposite to the flow stopping tops, of the second sealing parts are downwardly provided with flanges, and each heat exchanging plate piece is provided with an embedded arc-shaped groove matched with the correspondingly first sealing part and a positioning sealing groove matched with the correspondingly flange. According to the plate type heat exchanger with the good sealing property, installation is simple, the tightness between the heat exchanging plate pieces is good, the sealing gaskets are easier to suffer stress evenly, and sealing is firm.

The invention relates to a water-saving warming pipe which comprises an outer pipe; the axis of the outer pipe is provided with an inner pipe; the outer peripheral wall of the inner pipe is rotationally and symmetrically provided with supporting sheets; the external of each supporting sheet is wrapped with a regulation bag made of an elastic material; the two ends of each regulation bag are provided with flexible sealing films respectively; the edges of the sealing films, the regulation bags and the inner pipe are in sealing connection and form a sealed pipe barrel space; the pipe barrel spaceis provided with an air guide pipe; the end part of the air guide pipe extends into external air; the inner wall of each regulation bag is provided with a regulation strip; sensing strips made of a thermal expansion material are distributed in the inner pipe at an equal interval; one ends of the sensing strips are connected with traction wires respectively; and the traction wires are connected with the corresponding regulation strips after penetrating through the pipe wall of the inner pipe. By adopting the water-saving warming pipe, a water body residual in a warming pipe can be effectivelyreduced when water is not used, so that waste of water resources is reduced, and the waiting time for water consumption is shortened at the same time.

The invention relates to soles, and provides novel damping soles and shoes having the same, wherein the soles have elastically damping and stably supporting functions, are simple in structure and convenient to manufacture, and are suitable for mass production. Each novel damping sole comprises a middle sole and a large sole disposed under the middle sole. The lower surface of the middle sole is provided with a plurality of lengthwise raised lines and a plurality of transverse raised lines, and crosspoints of the lengthwise raised lines and the transverse raised lines are provided with spherical bumps. Positions, corresponding to the spherical bumps, of the upper surface of the large sole are provided with damping columns, the upper end of each damping column is provided with a spherical containing opening which wraps each spherical bump, the outer wall of each damping column is provided with first ring stages which are sequentially disposed in the axial direction. The upper surface of the large sole is provided with damping column sleeves covering the outsides of the damping columns, and each damping column sleeve and the each damping column are coaxial, the inner wall of each damping column sleeve is provided with second ring stages which are sequentially disposed in the axial direction, the internal circumference of the second ring stages surrounds the out wall of each damping column, and the second ring stages are arranged between adjacent first ring stages of damping columns.

The invention discloses an electrical contact piece with an elastic double-helix winding contact element. The elastic double-helix winding contact element includes a support piece and a plurality of wire-shaped conductive pieces; the support piece is bent in a spiral shape, and the support piece The outer circumference is provided with a plurality of winding slots, and the plurality of winding slots are spirally arranged on the outer circumference of the support member in parallel with each other, and the two ends of each winding slot extend to the two ends of the support member respectively; each conductive member is wound along a single winding slot on the outer periphery of the support member, and the plurality of conductive members can be connected to each other. The invention improves the structural stability of the elastic contact element through the combination of the spiral winding and the spiral support, thereby ensuring the reliability of the electrical connection of the elastic contact element and the electrical contact element to which it is applied, and has a longer service life. The double-helix elastic winding contact element itself has better elasticity and improved contact performance, and can be applied to various occasions with different electrical connection intervals.

The invention discloses a liquid seal device of a tower tray of a bubble-cap tower. The tower tray and the liquid seal device are arranged in a tower body of the bubble-cap tower; the liquid seal device comprises a supporting structure and a liquid seal structure; the supporting structure is connected with the tower body seamlessly and fixedly; the tower tray is arranged on the supporting structure; the liquid seal structure is arranged on the tower tray; and the liquid seal structure is provided with a liquid seal chamber for avoiding loss of gas and liquid. The tower tray and the tower body are separated and the liquid seal device is provided, so the liquid and the gas can be prevented from losing from the welded joint of the tower tray and the tower body, the gas and the liquid walk the dedicated channel, contact of the liquid and the gas is effectively enlarged, and the working actual effect of the tower is improved.

The invention belongs to the technical field of flexible electronic devices, and particularly discloses a preparation method and a product of a fatigue-resistant flexible electronic device. The methodcomprises the following steps: S1, engraving the shape structure of the electrode material on the auxiliary substrate to obtain the electrode patterned film structure; S2, constructing a movable channel of an electrode material around that electrode patterned film structure; S3, injecting a flexible material into that movable channel, and packaging the inlet and outlet of the movable channel to obtain a fatigue-resistant flexible electronic device. The product comprises a flexible cladding layer, a movable channel arranged inside the flexible cladding layer, a flexible material filled in themovable channel and an electrode material arranged inside the movable channel. The invention provides the movable space of the flexible electrode when stretching by embedding a channel when packaging,reduces the constraint of the packaging layer, improves the tensile property and fatigue resistance of the flexible electronic device, and has long service life.

A hammer includes a handle, a hammer body mounted on an end of the handle and having a side formed with a combination bar inserted into the handle, and a protective jacket integrally formed on the handle to encompass a periphery of the combination bar and a mediate portion of the hammer body entirely. Thus, the protective jacket of the handle encompasses the periphery of the combination bar and the mediate portion of the hammer body entirely, so that the handle and the hammer body are combined with each other rigidly and stably, thereby enhancing the combination strength of the hammer.

The invention discloses a bidirectional motion pneumatic flexible driver and a working method thereof. The driver comprises a top-layer air cavity and a bottom-layer air cavity, wherein the bottom-layer air cavity comprises an upper-layer plastic sheet, a lower-layer plastic sheet and a first hose; the upper-layer plastic sheet and the lower-layer plastic sheet are connected through a thermoplastic sealing edge to form an upward-protruding bottom-layer cavity; one end of the first hose communicates with the bottom-layer cavity, and the other end of the first hose communicates with an air source or atmosphere; the top-layer air cavity comprises an elastic top air cavity chamber wall and a second hose, and the bottom of the elastic top air chamber wall is bonded with the upper-layer plasticsheet through a silica gel adhesive to form a top-layer cavity; and one end of the second hose communicates with the top-layer cavity, and the other end of the second hose communicates with an air source or atmosphere. When high-pressure gas is filled into the top-layer cavity, the driver is bent and deformed; and when high-pressure gas is filled into the bottom-layer cavity, the driver can be restored to the initial position. The bidirectional motion pneumatic flexible driver is simple in structure, and the bending and recovery of the driver can be effectively realized through a double-air-cavity parallel structure.

The invention relates to the field of radomes, in particular to a low-density glass fiber reinforced plastic radome and production process thereof. The radome comprises a first protective cover and asecond protective cover which enclose a hollow water tower shape, and an antenna holding pole arranged in a hollow water tower-shaped cavity formed by the first protective cover and the second protective cover; the first protective cover is provided with a first clamping piece, and the second protective cover is provided with a second clamping piece corresponding to the first clamping piece of thefirst protective cover. The first clamping piece and the second clamping piece are connected so that the first protective cover and the second protective cover can be detachably connected to define ahollow water tower-shaped structure, and an openable and closable window convenient to overhaul is formed in the surface of the second protective cover; the high-wave-transmission fiber cloth layer comprises composite core-spun gauze formed by weaving carbon fiber core yarns and glass fiber weaving yarns and curing resin cured outside the composite core-spun gauze. The glass fiber reinforced plastic has the advantages of the low density, the light weight, the small dielectric constant, the good wave permeability, the high mechanical strength and the long service life.

The invention relates to a hollow composite tire structure. The structure comprises an outer tire, a first cavity and a second cavity are formed in the outer tire, and the first cavity is formed in the circumferential direction of the outer tire; and the second cavity is also arranged in the circumferential direction of the outer tire and is provided with an inward opening. The first cavity and the second cavity are formed in the outer tire, so that the deformation space of the outer tire is increased, and the damping effect of the outer tire is improved.

The invention provides a bathing mat for a shower room. The bathing mat comprises a bathing mat frame, a top supporting mat and a self-adaptive deformation heat preservation mechanism used for preserving heat and cleaning foot soles, wherein the surface of the bathing mat frame is rectangular, the top of the bathing mat frame is open, the top of the bathing mat frame is fixedly connected with the top supporting mat, the upper surface of the top supporting mat is flush with the upper surface of the bathing mat frame, and the top supporting mat is made of rubber. The invention relates to the field of articles of daily use. The bathing mat for the shower room is designed according to the problems that an existing bathing mat is single in function, difficult to block low-temperature transfer of the ground and the like, and is of a special structure which can rub and clean the ground through treading and can lock the temperature of water and keep the sole constant in temperature, so that the problems that a common bathroom mat is simple in structure, difficult to block transmission of low temperature on the ground, single in function and incapable of meeting more cleaning requirements when people take a bath are effectively solved.

The invention relates to the field of radomes, particularly to a low-dielectric-constant glass fiber reinforced plastic radome and a production process thereof. The low-dielectric-constant glass fiberreinforced plastic radome comprises a mounting base mounted on a wall, a protective cover arranged outside the mounting base in an openable and closable covering mode, and an antenna holding pole located in a cavity defined by the mounting base and the protective cover. The glass fiber reinforced plastic base layer comprises in parts by mass: 50-80 parts of unsaturated polyester resin, 5-20 partsof glass fibers, 2-15 parts of carbon nanotubes, 0.5-4 parts of 1, 3-butanediol, 5-30 parts of a heat-resistant modifier, 5-10 parts of a low shrinkage agent, 1-5 parts of a release agent, 5-15 partsof a coupling agent, 1-5 parts of fluorinated graphene, 1-5 parts of an initiator and 1-5 parts of a thickener. The low-dielectric-constant glass fiber reinforced plastic radome has the advantages ofa small dielectric constant, the good wave permeability, the high mechanical strength and the long service life.

The invention provides an anti-impact structure and anti-impact equipment. The porosity of the anti-impact structure is gradually increased inwards along the outer surface; in a direction inward along the outer surface, a gradient of a porosity-position distribution function at an intermediate location of the impact resistant structure is greater than a gradient of a porosity-position distribution function at start and end segment locations. According to the anti-impact structure, the outer layer has lower porosity and higher elastic modulus and can bear larger stress, the inner layer has higher porosity and can have larger deformation space and can bear larger strain, the buffering effect of the inner layer is facilitated, and the overall strength of anti-impact protection equipment is guaranteed.

The invention belongs to the technical field of a respiratory protection device, and particularly discloses a damping structure for a respirator. The damping structure comprises a face mask, wherein the face mask sequentially communicates with a fan and a filter, the fan is arranged in the filter, a damper is fixedly connected to the outer wall of the fan, and the end, away from the fan, of the damper is fixedly connected to the inner wall of the filter; and the damper comprises a flexible vibration absorption pad, the vibration absorption pad is in a structural shape of two mutually symmetricand overlapped cone frustums, and the vibration absorption pad is fixedly connected between the filter and the fan. The invention aims to provide the damping structure for the respirator to solve thetechnical problem about fan vibration of the respirator.