159results about How to "Reduce working noise" patented technology

The invention discloses an assembling device for an extracorporeal circulation blood path attached tube, which comprises a production line, and a conveying device for clamping a catheter and driving the catheter to move forwards is arranged on the production line. The assembling device further comprises an automatic catheter feeding and cutting device, an automatic flow stopping clamp feeding and assembling device, a flow stopping clamp detecting device, a catheter gluing device, an automatic female needle base feeding device, an automatic antibacterial cap feeding and assembling device, a visual detecting device and an automatic discharging device which are sequentially arranged in the moving direction of the production line. The device has the beneficial effects that cutting, feeding and automatic conveying of the guide pipe in the extracorporeal circulation blood path attached pipe are achieved, a flow stopping clamp, a mother needle base and an antibacterial cap are sequentially assembled at a corresponding assembling station, after part of stations are assembled, automatic detection can be carried out, inferior-quality products, waste products and the like are prevented from entering the next working procedure, and after assembling is completed, the production efficiency is greatly improved. And the extracorporeal circulation blood path attached pipes can be automatically discharged and conveyed, and automatic machining of the extracorporeal circulation blood path attached pipes is achieved.

The present application relates to the technical field of medical equipment, and in particular to a ventilator, which includes a ventilator and a humidifier, which are arranged side by side and interconnected with each other, the ventilator includes a ventilator shell and a pumping mechanism arranged in the ventilator shell, the pumping mechanism includes a pumping shell, a pumping inner shell arranged in the pumping shell, and a pumping assembly arranged in the pumping inner shell, the pumping shell is provided with a pumping port assembly passing through the ventilator shell and connected to the outside of the ventilator shell, a silencer channel connecting the pumping shell and the pumping inner shell is provided between the pumping shell and the pumping inner shell, and the pumping inner shell is provided with an air supply port assembly passing through the pumping shell and the ventilator shell and connected to the humidifier. The present application has the following effects: the silencer channel is used to reduce the airflow noise and the working noise of the pumping assembly, so as to reduce the noise hazard of the ventilator when it is working.

The invention provides a double-output air cylinder which comprises a cylinder body, a cylinder cover, a piston, a piston rod and a piston rod. A cavity is formed in the cylinder body, a partition plate is arranged in the cavity, and the partition plate divides the cavity into a front cavity and a rear cavity; the piston assembly comprises a first piston arranged in the front cavity in a sliding fit mode and a piston rod arranged on the head portion of the first piston, and the piston rod extends out of the cylinder body and serves as a first output end. The rotating assembly comprises a rotating assembly body arranged in the rear cavity, a driving shaft is arranged on the rotating assembly body, and the driving shaft penetrates through the partition plate, is in rigid connection with the first piston and can drive the piston rod to rotate in the radial direction. The double-output air cylinder is compact in structure, small in size, capable of adjusting the output shaft at any angle, high in adjusting precision, reliable and stable to use, particularly suitable for mechanical arms of non-standard equipment, and wide in application range, and has a self-locking effect.

The utility model relates to the technical field of projection equipment, in particular to a projector, which comprises a shell, and a projection assembly, an air uniformizing structure and a cooling fan which are arranged on the shell, a containing cavity is formed in the shell, an air duct inlet communicated with the containing cavity is formed in the shell, and the projection assembly is arranged in the containing cavity; the air inlet end of the air uniformizing structure is connected with an air outlet of the cooling fan, and the air outlet end of the air uniformizing structure is connected with the air channel inlet. According to the projector provided by the embodiment of the invention, the air uniformizing structure is arranged between the cooling fan and the air duct inlet, so that airflow blown by the cooling fan passes through the air uniformizing structure and then enters the accommodating cavity of the shell to dissipate heat of the internal projection assembly, thereby enabling the airflow entering the accommodating cavity to be distributed more uniformly; the problem of poor local heat dissipation effect caused by non-uniform distribution of heat dissipation airflow in the existing projector can be effectively solved.

The invention discloses a multi-stage roots vacuum pump which comprises a main machine body, a vacuum pump, a vacuum pump and a vacuum pump, and a rotor is arranged in the main machine body; the scavenging plate is arranged on one side of the main machine body; the motor is arranged on the scavenging plate and is in transmission connection with the rotor; the gear box is arranged on the other side of the main machine body and is in transmission connection with the rotor; wherein an air inlet pipe and an air outlet pipe are arranged at the upper end of the main machine body, and the air inlet pipe is communicated with the air channel in the main machine body. According to the invention, through the design of the six-stage flow channel, the air exhaust speed is higher through six-stage compression, the vacuumizing efficiency is improved, meanwhile, the size of the whole machine can be reduced, and green operation is realized.

The invention provides a mobile air conditioner capable of changing the cold air outlet direction and provided with obliquely-installed coaxial cold and hot air ducts, which comprises a shell serving as a mounting carrier, an air inlet, an air outlet, an air outlet, an air inlet and an air outlet, the shell is hollow, and a mounting cavity is formed in the shell; the volute assembly is obliquely arranged in the mounting cavity, the volute assembly comprises an upper volute assembly and a lower volute assembly located below the upper volute assembly, an upper volute cavity and a lower volute cavity are formed in the upper volute assembly and the lower volute assembly respectively, the upper volute cavity and the lower volute cavity are coaxially arranged, and the axis of the upper volute cavity and the axis of the lower volute cavity incline to the horizontal plane; an exhaust channel is arranged on the side wall of the upper volute cavity, extends upwards, is in butt joint with a first air outlet in the top of the shell and is used for discharging air. The mobile air conditioner capable of changing the cold air outlet direction and provided with the obliquely-installed coaxial cold and hot air ducts is compact in structure, small in size, low in manufacturing cost and use cost, convenient to assemble, high in air outlet speed, long in air supply distance, low in working noise, good in use effect and long in service life.

A centrifugal fan comprises a volute, an impeller arranged in the volute and a volute tongue arranged at an outlet of the volute, the volute is provided with a volute ring wall, a flow channel is formed between the volute ring wall and the impeller, and an air inlet is formed in the volute ring wall. The air guide interface comprises a mounting frame and at least two air guide blades mounted in the mounting frame, the mounting frame is fixed on the annular wall of the volute, the air guide blades are distributed at intervals along the flowing direction of the air flow, and the air guide blades are used for guiding the air flow outside the fan into the flow channel. Compared with the prior art, the centrifugal fan has the advantages that the air guide interface is arranged at the air inlet of the volute annular wall, and the air guide interface is provided with the at least two air guide sheets which are distributed at intervals along the flowing direction of the air flow, so that the air flow outside the fan can be more effectively guided into the flow channel by the air guide sheets; and therefore, the efficiency of the fan is improved, and the working noise of the fan is reduced.

The mobile air conditioner comprises a shell, a horizontal partition plate is arranged in the shell and divides the shell into an upper cavity and a lower cavity, a first volute assembly made of heat preservation materials is arranged in the upper cavity, a first volute cavity is formed in the first volute assembly, an evaporator is arranged at the air inlet end of the first volute cavity, and a second volute assembly made of heat preservation materials is arranged at the air outlet end of the first volute cavity. The air outlet of the first volute cavity faces upwards; a second volute assembly is arranged in the lower cavity, a second volute cavity is formed in the second volute assembly, a condenser is arranged at the air inlet end of the second volute cavity, and the air inlet end of the second volute cavity and the air inlet end of the first volute cavity are located on different faces of the shell. The mobile air conditioner with the heat preservation air cavity is compact in structure, convenient and rapid to assemble, high in precision, low in working noise and power consumption, large in air outlet amount, long in air supply distance and good in heat dissipation performance, continuous and stable refrigeration of the mobile air conditioner is guaranteed, and the using effect is good.

The utility model provides a full-function side plate forming machine. The full-function side plate forming machine comprises a machine frame, a bottom face machining mechanism, a forming mechanism, a side face machining mechanism and an end machining mechanism, the bottom face machining mechanism comprises a bottom face machining driving part and at least two sets of bottom face machining assemblies. The forming mechanism comprises a forming wheel set, a guide wheel set and a forming driving part. The side face machining mechanism comprises a side face machining assembly and a side face machining driving part. The end machining mechanism comprises an end machining driving piece and at least two end machining assemblies. The bottom face machining mechanism, the side face machining mechanism and the end machining mechanism are arranged, a plurality of machining structures can be formed on the side plate, the machining structures can be freely combined, then cutters or cutting blocks in the machining mechanisms are replaced or taken out, and machining efficiency is improved. Side plate products with multiple specifications, multiple shapes and multiple machining structures can be machined, use is convenient, the production efficiency is improved, and the production cost is reduced.

A longitudinal sealing mechanism of a multi-row strip bag back sealing packaging machine comprises a collar turning device, a front longitudinal sealing mold and a rear longitudinal sealing mold, the collar turning device and the rear longitudinal sealing mold are fixed on a machine body of the packaging machine, and the longitudinal sealing mechanism is characterized in that the front longitudinal sealing mold comprises a cross beam and a plurality of pressing blocks evenly distributed on the inner side of the cross beam; the pressing blocks are obliquely mounted on the inner side of the cross beam and are in one-to-one correspondence with the oblique pressing surfaces on the outer sides of the forming holes; opening and closing air cylinders are symmetrically arranged on the inner side of the machine body, and one end of a piston rod of each opening and closing air cylinder is connected with two symmetrically-arranged supporting bases through a connecting plate and at least two sets of guiding assemblies. A driving shaft driven by a servo motor is arranged on the inner side of the machine body, eccentric shafts are rotatably installed in the two supporting seats respectively, the two ends of the driving shaft are in transmission connection with the corresponding eccentric shafts through double-crank mechanisms respectively, and the two ends of the cross beam are connected to eccentric sections of the eccentric shafts respectively. The longitudinal sealing device has the advantages of being stable in action, small in amplitude, even in sealing pressure and good in longitudinal sealing performance.

The utility model belongs to the technical field of PVC (polyvinyl chloride) film processing, and particularly relates to a processing and cooling mechanism for a PVC film, which can continuously provide a cooling effect for the PVC film through a circulating cooling water system of a water inlet pipe and a water outlet pipe so as to ensure that the PVC film is kept at a proper temperature in the processing process. Due to the design that the lower pressing plates and the pressing rollers on the lower sides of the lower pressing plates can alternately operate and are in mutual linkage, the contact area and the contact time of the PVC film and cooling water on the inner side of the cooling tank can be increased, the cooling efficiency is improved, the production speed is increased, the production efficiency is improved, meanwhile, workers can more conveniently install the PVC film to the upper sides of the pressing rollers, and the production efficiency is improved. The use convenience is improved; the top plate is matched with the limiting plate, so that the moving range of the lower pressing plate is further limited, and stable operation of the pressing device is ensured.

The invention discloses a fan and an air duct type air conditioner. The fan comprises a volute. The volute comprises a volute body and a movable inner shell. The volute body is provided with a side air outlet located in the side face and a lower air outlet located in the bottom face. The movable inner shell is arranged on the inner side of the volute body and provided with a ventilation opening. The movable inner shell is rotatably arranged around the axis of the fan relative to the volute body so that the fan can be switched between the side air outlet state and the lower air outlet state. In the side air outlet state, the ventilation opening communicates with the side air outlet to form a side air outlet channel used for supplying cold air. In the lower air outlet state, the ventilation opening communicates with the lower air outlet to form a lower air outlet channel used for supplying hot air. On the plane perpendicular to the axis of the draught fan, the projection of the side air outlet channel forms a side air outlet volute molded line. And the projection of the lower air outlet duct forms a lower air outlet volute molded line. The shape of the side air outlet volute molded line is different from that of the lower air outlet volute molded line. The working noise of the fan is effectively reduced.

The invention provides clothes processing equipment which comprises a main body and a door body installed on the side portion of the main body, and further comprises an anti-toppling device which is arranged on the side, provided with the door body, of the main body and comprises a first position attached to the main body along with closing of the door body and a second position inclining towards the side away from the main body from top to bottom along with opening of the door body. According to the anti-toppling device, the anti-toppling device is attached to the main body when the door body is closed and inclines towards the side away from the main body from top to bottom along with opening of the door body, so that the anti-toppling device can effectively prevent the clothes processing equipment from toppling when the clothes processing equipment is most prone to toppling, namely the door body is opened, the clothes processing equipment is supported, and a washing program is normally operated, namely the door body is closed; the anti-toppling device is attached to the main body to achieve storage, on one hand, the clothes processing equipment can be effectively prevented from toppling, on the other hand, the occupied area of the anti-toppling device can be reduced, and collision to a user is avoided.

The present invention provides a construction equipment cab lifting device, including an inner scissor frame, an outer scissor frame and a driving mechanism; the inner scissor frame and the outer scissor frame are hinged to form a scissor mechanism, and the driving mechanism is arranged at the hinge of the inner scissor frame and the outer scissor frame, for realizing relative rotation between the inner scissor frame and the outer scissor frame; the driving mechanism includes a driving motor and a reducer connected to the output shaft 1 of the driving motor; the output shaft 2 of the reducer is inserted into the hinge of the inner scissor frame and the outer scissor frame. The present invention forms a scissor mechanism by hingedly connecting the inner scissor frame and the outer scissor frame, which is easy to install and has a small space occupancy rate; the driving motor and the reducer cooperate to control the lifting speed of the scissor mechanism, provide lifting power for the scissor mechanism, and have the advantages of low working noise, high control accuracy and no oil pollution.

The invention discloses a portable power unit and a crane thereof, a battery is provided with a temperature alarm module, the battery is connected with a motor and a charging device through a circuit for storing and outputting electric energy, and the battery is connected with a radiator through a circuit; the hydraulic pump comprises at least one electric control variable pump and at least one gear pump; the hydraulic pump is connected with a crane hydraulic system through a hydraulic pipeline; the motor comprises a driving motor and converts electric energy output by the battery into mechanical energy used by the hydraulic pump; the charging device comprises a charging cable and a charger. The system can be used for a traditional fuel crane, the problems that a battery of a pure electric crane is high in price and high in cost are solved, and an electric control system for complex chassis driving and loading operation is not needed; a pure electric or plug-in working mode can be used, and the continuous working time can be effectively prolonged under the plug-in working condition compared with a pure electric crane; and a plug-in mode is used, so that the situation that the vehicle can be charged only after parking, flameout and stop working is avoided.

An ultra-long-range phase change injection oil production device includes tubing that passes through a wellhead flange and is inserted into a casing. A crude oil outlet is located at the upper end of the tubing, and a lower check valve is located at the lower end, ensuring that water-bearing crude oil can only enter the tubing from the casing. A heating device is located inside the tubing, above the lower check valve, to heat the water-bearing crude oil entering the tubing and generate steam. A limiting sleeve is located at the lower part of the tubing, and a sliding lifter is supported on the limiting sleeve. The sliding lifter has a sliding clearance fit with the inner wall of the tubing and slides upward under the action of steam, thereby pushing the water-bearing crude oil upward. An upper check valve is located on the tubing, above the sliding lifter, ensuring that the water-bearing crude oil, after being pushed upward, can only enter the upper part of the tubing from bottom to top through the upper check valve. The advantages are: low mechanical wear throughout the operation, high reliability, long stroke of the sliding lifter, high working efficiency, and low operating noise; moreover, it eliminates the need for a wellhead heating device, resulting in low oil production costs.

This invention provides a single-sided controllable, rise-type venetian blind insulated glass unit, comprising a window frame, venetian blinds, a controller, and a lifting assembly. The venetian blinds are located inside the window frame and have a traction beam connected to the lifting assembly. The side frame of the window frame has an extension edge facing the venetian blinds, and the extension edge has a groove. The controller is located on one side of the window and is divided into an inner controller and an outer controller. The inner controller is located inside the window frame, and the outer controller is located outside the window frame. The unit also includes a tilting assembly, which comprises a tilting shaft, several tilting ladder ropes, several tilting seats, a rack, and a clutch mechanism. The clutch mechanism ensures that after the venetian blinds are tilted to their maximum angle, the tilting shaft and the gear shaft disengage, eliminating the need to overcome additional friction from the tilting ropes, thus greatly reducing the control force and operating noise.

The present invention relates to a crank assembly of a compact shelving system, comprising a crank handle and a crank handle transmission mechanism, wherein the crank handle transmission mechanism comprises a fixed shaft, a sleeve, a sun gear and at least one planetary gear, wherein the sleeve and the sun gear can be rotatably sleeved on the fixed shaft, a planetary frame is provided at one end of the sleeve, the planetary gear is rotatably connected to the planetary frame, an output gear is provided at the other end of the sleeve, one end of the fixed shaft is rotatably connected to the crank handle, an internal gear is provided on the crank handle, the planetary gear is meshed with the sun gear and the internal gear at the same time, and a circumferential limiting mechanism is provided between the sun gear and the fixed shaft, so that the rotatable angle of the sun gear relative to the fixed shaft is less than 360°. The advantages of the present invention are: the crank handle transmission mechanism adopts an internal gear, a sun gear, a planetary gear and a circumferential limiting mechanism between the sun gear and the fixed shaft to realize the clutch function between the crank handle and the sleeve, thereby avoiding mutual collision between various metal parts, reducing working noise, and effectively improving the user's comfort.

The utility model relates to the technical field of stirring devices, in particular to a transmission mechanism applied to a stirrer, which is provided with a driving element, a driving shaft, a transmission part and a cutter shaft, and the driving element drives the cutter shaft to rotate through the transmission part so as to realize stirring; specifically, a first groove is formed in the outer wall of the driving shaft, a protruding strip is arranged on the inner side of the transmission part, a second groove is formed in the outer wall of the cutter shaft, transmission is achieved through mutual cooperation of the first groove and the protruding strip and mutual cooperation of the second groove and the protruding strip, the first groove, the transmission part and the cutter shaft can be detached, and the detaching and cleaning functions of the stirrer are achieved; in addition, the transmission part is cylindrical, the cross section of the through hole in the inner side of the transmission part is round, the driving shaft, the transmission part and the cutter shaft are located on the same concentric circle, and working noise is reduced.

The utility model discloses an air conditioner, the air conditioner includes: air conditioner body and air deflector subassembly, and the air conditioner body has the air outlet, and the air deflector subassembly is located at the air outlet, and includes air deflector grille and air deflector swing leaf, and the air deflector grille rotatablely installed in the air conditioner body, and the air deflector swing leaf is located at the upstream of air deflector grille, and is along the multiple interval arrangement of the rotation axis of air deflector grille, and the air deflector swing leaf rotatablely installed on air deflector grille, to follow air deflector grille synchronous rotation around rotation axis. According to the air conditioner of the utility model, through install air deflector swing leaf on air deflector grille, air deflector swing leaf follow air deflector grille synchronous rotation around rotation axis, and air deflector grille rotates and will not produce interference with air deflector swing leaf when guiding air, thereby can promote the work reliability of air deflector subassembly, promote the guiding effect to the air flow, and reduce the interference between air deflector grille and air deflector swing leaf still benefit to prolong the service life, benefit to reduce the work noise of air deflector subassembly.

The utility model provides a spiral vibration fat -burning machine relates to fitness equipment technical field, including base, pedal, fixed frame and vibration frame, is equipped with the fat -burning module on fixed frame, is used for driving vibration frame and pedal to make longitudinal reciprocating motion, the middle part fixed vibration frame has the mounting panel, sets up spiral vibration module on it, this module is constituted by vibration motor and eccentric block, motor is inverted in the mounting panel bottom surface, the output shaft is upwardly through the through -hole and is connected eccentric block, drives pedal to make transverse reciprocating motion. Through the complex effect of longitudinal and transverse vibration, form spiral vibration track, can multidimensional stimulation human muscle group, simulate real movement mode, effectively promote fat -burning efficiency and exercise effect.

A food waste disposer and a sink incorporating the disposer are disclosed. The disposer includes: a housing with an internal cavity, and a flat plate within the cavity. The flat plate is positioned relative to the top wall of the cavity and relative to the bottom wall, dividing the cavity into an upper chamber above the flat plate and a lower chamber below the flat plate. The upper side wall of the lower chamber has a feed inlet penetrating its own wall thickness, and the lower part of the lower chamber has a discharge outlet. The upper chamber has a first water outlet and a water inlet for external water supply, the first water outlet being located on the flat plate to connect the upper and lower chambers. A pulverizing component is disposed within the lower chamber and operates under the drive of a driving mechanism to pulverize food waste entering through the feed inlet. In this invention, the flat plate at the top of the lower chamber and the top wall of the cavity above the flat plate can prevent the noise generated by the pulverizing component from propagating upwards, thereby reducing operating noise.

The utility model relates to the related field of equipment assembly, in particular to a gas turbine nozzle assembly tool which comprises a base, an installation base, a gas turbine, a nozzle connector and installation equipment. The mounting equipment is arranged, the mounting equipment comprises the lifting seat, the sliding base can be pushed to a proper height through the air cylinder in the lifting seat, the mounting equipment can adapt to different mounting heights, the guide assembly in the lifting seat can ensure the stability of the air cylinder driving the sliding base to ascend and descend, and the assembly precision is improved; through the arrangement of the sliding base, the sliding rail and the sliding block, the nozzle clamp used for clamping can slide through cooperation of the sliding base, the sliding rail and the sliding block, installation is more convenient and faster, better moving precision is achieved through the sliding rail and the sliding block, the assembly precision is further improved, and working noise is low; according to the utility model, the problems of low assembly precision, loud working noise and the like in the prior art can be solved.

The utility model relates to commodity display stand technical field, concretely is a screen product turntable, include: base, base includes mounting panel, and the transmission shaft is rotationally installed in the mounting panel centre, drive component, drive component includes power source, and power source passes through the lifting structure and is installed at the mounting panel bottom surface, turntable, and the transmission shaft top of turntable is clamped, is used for bearing commodity. The utility model, utilize magnetic coupler and connect power source output shaft and transmission shaft, realize zero contact transmission, reduce working noise, no contact transmission, can be convenient for operator to stop turntable rotation display details at any time, will not influence power source work, will not heat, through change driven magnetic ring and insert the depth of initiative magnetic ring, change transmission torque, can adapt to different weight commodity, transmission structure is simple and need not maintain.

This disclosure relates to a brush head and an electric toothbrush. The brush head is configured to be mounted on a body and includes a brush head body, a cleaning section, and a transmission section. The brush head body extends along a first axis and includes a sidewall defining a cavity. The cleaning section is attached to one end of the brush head body. The transmission section is at least partially disposed within the cavity and includes a first transmission member and a second transmission member. The first and second transmission members are connected by a connector and extend along the first axis. A first damping section is disposed between the first and second transmission members, and the first damping section is configured to contact the first transmission member and / or the second transmission member. The brush head provided by this disclosure, by providing a first damping section between the first and second transmission members, significantly reduces the operating noise between the first and second transmission members, thereby improving the user experience.

The invention relates to the technical field of combustor waste heat utilization, in particular to low-nitrogen alcohol combustor waste heat heat exchange equipment and a working method thereof. Comprising an outer pipe, a first heat exchange unit and a second heat exchange unit are arranged in the outer pipe, and the output end of the outer pipe communicates with a second water storage tank; the second water storage tank comprises an outer tank body, and a first heating cavity is formed in the outer tank body. Water flow is turned over by utilizing the fan-shaped structure of the wave return plate, so that the water flow at the center and the water flow at the edge are interchanged in position. And the secondary heating balance is improved. And after the first heating mechanism is heated, the water flow is shunted again, one part enters the first water forming cavity, and the rest enters the second heating cavity and is subjected to further heat exchange by the second heating mechanism with more second medium pipes. Therefore, cold water can be shunted and subjected to heat exchange at different temperatures under the condition that manual conveying is not needed, and the functionality of the device is enriched.

The present invention provides a control circuit and method for a vehicle-mounted power wall box, which controls the on-off of a main power supply circuit of a load device through a high-power field effect transistor and uses a current sensor to collect the working current of the load device, thereby realizing a miniaturized design of the vehicle-mounted power wall box and reducing working noise, thereby improving user experience; in addition, firstly, the first current information of the load device is measured according to the first voltage information and the second voltage information; then, the second current information of the circuit is obtained according to the electrical characteristics of the vehicle-mounted power wall box circuit; finally, according to the size relationship between the first current information and the second current information, the supply current value of the circuit is adjusted through a current limiting management module or the on-off status of the main power supply circuit is switched through a contact switching module, thereby realizing intelligent management and control and improving the stability and safety of circuit operation.

The present application relates to the technical field of steam humidifier, and discloses a noise reduction structure of steam humidifier convenient to install and a use method, the noise reduction structure of steam humidifier convenient to install, including installation ring, both sides of the installation ring are fixedly connected with lower side plate, the inside of the lower side plate is provided with clamping groove, the side of the installation ring is hingedly connected with upper cover, both sides of the upper cover are fixedly connected with upper side plate, the opposite side of two installation plates is fixedly connected with support rod, the outer wall of the support rod is symmetrically slidably connected with sliding block, the opposite side of two sliding blocks is fixedly connected with spring one, the outer wall of the sliding block is slidably connected in the sliding groove, and the bottom of the sliding block is fixedly connected with clamping block.Under the reaction force of spring one, the sliding block is away from each other along the support rod, drives the clamping block to be away from each other and is clamped in the clamping groove, without using a variety of tools, and the installation of the upper cover can be completed only by simple operation.

The utility model provides a shock absorption structure used for vacuum pump assembly installation and an automobile, and relates to the technical field of automobiles, a vacuum pump assembly comprises at least two installation parts, each installation part is provided with at least one first installation hole, a first support is provided with a second installation hole and a third installation hole, and a second support is provided with a second installation hole and a third installation hole. The number of the second mounting holes is equal to that of the first mounting holes; fourth mounting holes are formed in the second support, the number of the fourth mounting holes is equal to that of the third mounting holes, and a connecting part is arranged on the second support and used for being connected with an automobile; the first shock pad is arranged between the mounting component and the first bracket; the second shock pad is arranged between the first bracket and the second bracket; the problem that in the prior art, a vacuum pump is connected with a support through only one shock pad and connected to an automobile body through the support, and the shock absorption effect on the vacuum pump is poor is solved.