CN113753004A - New energy automobile and vacuum pump's installing support - Google Patents

Abstract

The invention discloses a new energy automobile and a mounting bracket of a vacuum pump, relates to the technical field of new energy automobiles, and solves the problem that the mounting bracket is inconvenient to disassemble; the anti-falling assembly is designed, four groups of nuts can be limited and fixed when the vacuum pump mounting bracket is disassembled, so that labor can be saved when the inner hexagonal bolt is rotated, the nuts can be exposed in a visual field without disassembling other parts, the four groups of nuts can be always positioned at the same position, the nuts cannot fall into the vehicle body longitudinal beam to be found when the nut is disassembled, time and labor are saved, and the maintenance efficiency is greatly improved.

Description

New energy automobile and vacuum pump's installing support

Technical Field

The invention relates to the technical field of new energy automobiles, in particular to a mounting bracket for a new energy automobile and a vacuum pump.

Background

The new energy automobile adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a novel vehicle-mounted power device), integrates advanced technologies in the aspects of power control and driving of the automobile, and forms an automobile with advanced technical principle, new technology and new structure. The driving motor on the new energy vehicle type gradually replaces an engine, so that a vacuum source required by braking assistance disappears, and the whole vehicle starts to use an electronic vacuum pump as the vacuum source.

There is disclosed an automobile vacuum pump installation device as application number 201711253777.9, including installing support and the one-level damping mechanism and the second grade damping mechanism that play the damping effect, the vacuum pump pass through one-level damping mechanism with the installing support is connected, and the installing support passes through second grade damping mechanism and body coupling. The mounting device of the automobile vacuum pump can effectively control the vibration noise in the working process of the vacuum pump to be transmitted to a cab by arranging the primary vibration damping mechanism and the secondary vibration damping mechanism, not only can improve the comfort of drivers and passengers, but also can improve the service life of a sheet metal of an automobile body, has higher universality, can realize the multi-point fixed connection with the automobile body through the reserved avoidance hole without redesigning a mounting bracket, has higher applicability to different arrangements of the same automobile type and different automobile types, but directly connects the electronic vacuum pump with the bracket which is directly mounted at the automobile body, is fixed on the automobile body through bolts and nuts, has limited service life of the vacuum pump, and needs to be dismounted by a worker if the internal parts of the vacuum pump are damaged during automobile maintenance, because the installing support of fixed vacuum pump is fixed with the automobile body through hexagon socket head cap screw and nut directly, the nut generally sets up the inboard at the automobile body longeron, can't expose in staff's the field of vision when dismantling, need the staff to lift off the parts on every side and expose the nut in the field of vision just can lift off the nut this moment, very waste time and energy, reduced the efficiency of vacuum pump maintenance, for this reason, we propose a installing support of new energy automobile and vacuum pump.

Disclosure of Invention

The invention aims to provide a mounting bracket of a new energy automobile and a vacuum pump, which is convenient to disassemble, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a mounting bracket of a vacuum pump comprises a vacuum pump body, a mounting lug and a mounting bracket, wherein the mounting lug is fixed on the outer side of the vacuum pump body, and the mounting lug and the mounting bracket are fixedly connected through a bolt; the mounting bracket is fixedly connected with the automobile body longitudinal beam through four groups of hexagon socket head cap bolts, the bottom end of the hexagon socket head cap bolts extends to the inner bottom of the automobile body longitudinal beam, nuts are connected with the outer side threads of the hexagon socket head cap bolts in a threaded mode, the nuts are in compression contact with the automobile body longitudinal beam, and anti-falling assemblies used for fixing the nuts when the hexagon socket head cap bolts are detached are arranged at the bottom of the automobile body longitudinal beam.

Preferably, the anti-drop subassembly includes the screw rod, a screw thread section of thick bamboo and presss from both sides tight piece, it fixes to press from both sides tight piece one end of screw rod, the nut with the inboard of pressing from both sides tight cooperation each other of tight piece, the quantity of a screw thread section of thick bamboo is two, two screw rods opposite to are revolved to two screw threads of inboard symmetry threaded connection respectively of a screw thread section of thick bamboo, and two the outside of a screw thread section of thick bamboo all is fixed with first gear, a screw thread section of thick bamboo pass through the bearing with the automobile body longeron rotates to be connected, be provided with on the installing support and be used for driving two the driving piece of first gear synchronous revolution, can carry out spacing fixed to four sets of nuts when dismantling vacuum pump installing support through the anti-drop subassembly of design, can be more laborsaving like this when rotatory hexagon socket head cap screw, needn't dismantle other parts and just can expose the nut in the field of vision.

Preferably, the number of screw rods is two, and two fixedly connected with limiting plate between the screw rods can prevent the screw rods from rotating, and make the screw rods keep linear motion all the time.

Preferably, the driving piece includes second gear, third gear and two-sided cingulum, the quantity of third gear is two, and two the third gear is with two the position of first gear is corresponding, the second gear passes through two-sided cingulum is connected with two the third gear meshing, first gear with the meshing of the bottom outside of two-sided cingulum is connected, the centre bore internal fixation of second gear has the drive shaft, the centre bore internal fixation of third gear has the driven shaft, the drive shaft pass through the bearing with installing support's top is rotated and is connected, just the driven shaft pass through the bearing with installing support's bottom is rotated and is connected, a pot head of drive shaft is equipped with the handle, can have better linkage effect through the removal of a pair of screw rod of control through the driving piece.

Preferably, the anti-slip groove is formed in the outer side of the handle, so that the friction coefficient of the outer portion of the handle can be improved, and the phenomenon of hand slip during rotation is prevented.

Preferably, four groups be provided with just, tear the piece open above hexagon socket head cap screw's the top, just, tear the piece open and include four groups rope pulleys that big or small shape is the same, four groups the outside cover of rope pulley has same driving rope, every group all is fixed with the fixed axle in the centre bore of rope pulley, the bottom of fixed axle be fixed with the hexagonal fixture block of the groove looks adaptation that hexagon socket head cap screw top was seted up, can overlap its respectively at four hexagon socket head cap screw's top through just tearing the piece open for can rotate a hexagon socket head cap screw and can link other three hexagon head cap screw and rotate together, improved hexagon head cap screw's dismantlement efficiency.

Preferably, the installation ear with accompany the bush on the bolt between the installing support, the bush adopts the rubber material to make, and the effect of damping has not only been played effectively in the setting of bush, has avoided the friction between vacuum pump body and the installing support moreover, has improved the life of installing support.

A new energy automobile comprises the mounting bracket of the vacuum pump.

Compared with the prior art, the invention has the beneficial effects that:

according to the anti-falling assembly, four groups of nuts can be limited and fixed when the vacuum pump mounting bracket is disassembled, so that labor is saved when the hexagon socket head cap screw is rotated, the nuts can be exposed in a visual field without disassembling other parts, the four groups of nuts can be always positioned at the same position, the nuts cannot fall into the inner part of a vehicle body longitudinal beam to be searched during disassembly, time and labor are saved, and the maintenance efficiency is greatly improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the present invention from a bottom perspective;

FIG. 3 is a partial cross-sectional structural view of the anti-drop assembly of the present invention;

FIG. 4 is a schematic view of a driving member according to the present invention;

FIG. 5 is a schematic view of the driving member of the present invention from another perspective;

FIG. 6 is a schematic view of a detachable member according to the present invention;

fig. 7 is a schematic view of the connection of the sheave and the hexagon socket head cap screw according to the present invention;

FIG. 8 is an enlarged view of area A of FIG. 1;

fig. 9 is an enlarged view of the region B in fig. 4.

In the figure: 1-a vacuum pump body; 2, mounting lugs; 3, mounting a bracket; 4-body longitudinal beam; 5-hexagon socket head cap screw; 6-a nut; 7-a drop-off prevention component; 8-screw rod; 9-a threaded cylinder; 10-a clamping block; 11-a first gear; 12-a drive member; 13-a limiting plate; 14-a second gear; 15-a third gear; 16-double-sided toothed belt; 17-a drive shaft; 18-a driven shaft; 19-a handle; 20-anti-slip grooves; 21-disassembling the parts; 22-a sheave; 23-a drive rope; 24-a fixed shaft; 25-a hexagonal fixture block; 26-lining.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1 and 2, the mounting bracket for the new energy automobile and the vacuum pump in the figures comprises a vacuum pump body 1, a mounting lug 2 and a mounting bracket 3, wherein the mounting lug 2 is fixed at the outer side of the vacuum pump body 1, the mounting lug 2 is fixedly connected with the mounting bracket 3 through a bolt, and the existing vacuum pump is connected through the mounting lug 2, the mounting bracket 3 and the bolt so as to better mount the vacuum pump and the mounting bracket 3; the mounting bracket 3 is fixedly connected with the longitudinal car body beam 4 through four groups of inner hexagonal bolts 5, the vacuum pump and the mounting bracket 3 are high in mounting accuracy, so that the inner hexagonal bolts 5 have the advantages of convenience in fastening and dismounting, difficulty in sliding angles and the like, the requirement of high mounting accuracy can be well met, the bottom end of each inner hexagonal bolt 5 extends to the bottom of the inner side of the longitudinal car body beam 4, the longitudinal car body beam 4 is a hollow beam, a hole for the inner hexagonal bolt 5 to penetrate through is formed in the hollow beam, a nut 6 is connected to the outer side of each inner hexagonal bolt 5 in a threaded mode, the nut 6 is in compression contact with the longitudinal car body beam 4 and can better connect the mounting bracket 3 with the longitudinal car body beam 4, an anti-falling assembly 7 for fixing the nut 6 when the inner hexagonal bolts 5 are dismounted is arranged at the bottom of the longitudinal car body beam 4, and the description is needed, anti-drop subassembly 7 just installs before the car leaves the factory on installing support 3, anti-drop subassembly 7 can not dismantle when concrete follow-up dismantlement installing support 3, simultaneously through the anti-drop subassembly 7 of design, can carry out spacing fixed to four group's nuts 6 when dismantling vacuum pump installing support 3, can be more laborsaving when rotatory hexagon socket head cap screw 5 like this, other parts needn't be dismantled and just can expose nut 6 in the field of vision, can let four group's nuts 6 be in the same position all the time, can not drop inside and unable the searching at automobile body longeron 4 during the dismantlement, time saving and labor saving, maintenance efficiency has been improved greatly.

Wherein, as shown in fig. 3, in order to facilitate the positioning of the nut 6 during the disassembly, the anti-falling component 7 comprises a screw 8, two thread cylinders 9 and two clamping blocks 10, the clamping blocks 10 are fixed at one end of the screw 8, the nut 6 and the inner sides of the clamping blocks 10 are in clamping fit with each other, the number of the thread cylinders 9 is two, the inner sides of the two thread cylinders 9 are respectively in symmetrical threaded connection with the two screw 8 with opposite thread turning directions, the screw 8 with opposite thread directions can drive the two clamping blocks 10 to move oppositely when driving the thread cylinders 9 to rotate, the horizontal displacement of the clamping blocks 10 is the same, the outer sides of the two thread cylinders 9 are both fixed with first gears 11, the first gears 11 can be directly welded on the thread cylinders 9 and can also be matched with a flat key through a key groove, the thread cylinders 9 are rotatably connected with the vehicle body longitudinal beams 4 through bearings, so as to improve the rotation precision of the thread cylinders 9, the structure on the threaded barrel 9 and the body side member 4 are indirectly fixed, the mounting bracket 3 is provided with a driving piece 12 for driving the two first gears 11 to synchronously rotate, and the clamping block 10 is hidden under the body side member 4 together with the nut 6, so the driving piece 12 is required to be mounted on the mounting bracket 3 between the driving pieces so as to be directly used by a user.

Simultaneously, as shown in fig. 3, in order to prevent the screw 8 from rotating and keep the screw 8 moving linearly all the time, the number of the screws 8 is two, and the two screws 8 are fixedly connected with the limiting plates 13, and the two screws 8 which are not on the same side are connected through the limiting plates 13, so that the threaded cylinder 9 can be prevented from driving the screw 8 to rotate when rotating, and the screw 8 can keep a linear displacement state.

In addition, as shown in fig. 4 and 5, in order to have a better linkage effect by controlling the movement of the pair of screws 8, the driving member 12 includes two second gears 14, two third gears 15 and two double-sided toothed belts 16, which are transmission members with racks on both sides as the name suggests, the number of the third gears 15 is two, and the two third gears 15 correspond to the positions of the two first gears 11, the second gear 14 is engaged with the two third gears 15 through the double-sided toothed belts 16, the first gear 11 is engaged with the outer side of the bottom of the double-sided toothed belts 16, a driving shaft 17 is fixed in a central hole of the second gear 14, a driven shaft 18 is fixed in a central hole of the third gear 15, the driving shaft 17 is rotatably connected with the top of the mounting bracket 3 through a bearing, the second gear 14 can be connected with the mounting bracket 3 while the rotation precision of the driving shaft 17 is improved, and driven shaft 18 is connected with the bottom of installing support 3 through the bearing rotation, also can couple together third gear 15 and installing support 3 when improving driven shaft 18 rotation accuracy, and a pot head of drive shaft 17 is equipped with handle 19, and handle 19 can agree with the dismantlement of screw bolt and nut 6 well, convenient to use person's use.

Meanwhile, as shown in fig. 4 and 9, in order to prevent the phenomenon of hand slip during rotation, an anti-slip groove 20 is formed in the outer side of the handle 19, and the anti-slip groove 20 can make the surface of the handle 19 uneven, so that the smooth feeling of the hand is reduced when the user holds the handle 19, and the friction force between the hand and the handle 19 is increased.

When dismantling the mounting bracket 3: firstly, a front engine cover of an automobile is opened, the position of a vacuum pump is found according to a diagram on the specification of a new energy automobile, the vacuum pump is generally positioned on the right side of an engine room, a fan is utilized to perform dust cleaning treatment on the surface of the vacuum pump before disassembly, a clean and tidy environment is ensured during disassembly, then the position of a driving piece 12 is found, a user holds a handle 19 with one hand to give a clockwise moment to the handle 19, the handle 19 drives a driving shaft 17 to rotate so as to drive a second gear 14 to rotate, the second gear 14 drives two third gears 15 to rotate together through the meshing action of a double-sided toothed belt 16, the two third gears 15 drive two driven shafts 18 to rotate, the driven shafts 18 can stabilize the third gears 15, the two first gears 11 are driven to be meshed together for transmission along with the movement of teeth on the outer side of the double-sided toothed belt 16, the two first gears 11 drive two threaded cylinders 9 to rotate together, the screw thread section of thick bamboo 9 is rotatory can drive both sides screw thread and revolve to opposite screw rod 8 and keep away from the motion each other, two screw rods 8 drive two and press from both sides tight piece 10 and keep away from the motion each other, thereby all block four nuts 6 in pressing from both sides tight piece 10 inboardly, at this moment only need utilize spanner or wind big gun outwards rotatory four group hexagon socket head cap screw 5 can accomplish and dismantle, can be more laborsaving when rotatory hexagon socket head cap screw 5 like this, needn't dismantle other parts can only expose nut 6 in the field of vision, can let four group's nuts 6 be in the same position all the time, can not drop inside and unable the searching at automobile body longeron 4 during the dismantlement, time saving and labor saving, the maintenance efficiency is greatly improved.

Example 2

As shown in fig. 6 and 7, in this embodiment, to further explain example 1, the conveniently detachable member 21 is disposed above the tops of the four groups of hexagon socket head bolts 5, where the conveniently detachable member 21 can be installed on the four groups of hexagon socket head bolts 5 before the vacuum pump is assembled, the conveniently detachable member 21 includes four groups of rope pulleys 22 with the same size and shape, the same driving rope 23 is sleeved outside the four groups of rope pulleys 22, a fixing shaft 24 is fixed in the central hole of each group of rope pulleys 22, a hexagon clamping block 25 matched with a groove formed in the top of the hexagon socket head bolt 5 is fixed at the bottom of the fixing shaft 24, so that the conveniently detachable member 21 can be tightly and tightly fitted with the hexagon socket head bolts 5, and the conveniently detachable member 21 can be respectively sleeved on the tops of the four hexagon socket head bolts 5, so that one hexagon socket head bolt 5 can be rotated to link the other three hexagon socket head bolts 5 together, the dismounting efficiency of the hexagon socket head cap screw 5 is improved.

It should be noted that, when two of the four groups of hexagon socket head cap screws 5 are not exposed to the view, even after the nuts 6 are fixed, the other two hexagon socket head cap screws 5 are positioned so that the wrench or the air cannon cannot be well contacted, so that the disassembling member 21 can be installed on the four groups of hexagon socket head cap screws 5 before the vacuum pump is assembled, and thus only one hexagon socket head cap screw 5 needs to be rotated by a tool.

When in specific use: one of the fixing shafts 24 is rotated by a wrench or a pneumatic hammer, the fixing shaft 24 drives the rope wheel 22 connected with the fixing shaft to rotate, and the other three rope wheels 22 are driven to rotate together by the outer side transmission rope 23, so that the four groups of hexagon socket head cap screws 5 move upwards along with the rotation of the four rope wheels 22 until the constraint of the nuts 6 is completely separated, and the purpose of convenient disassembly is achieved.

Example 3

As shown in fig. 1 and 9, in the present embodiment, further explaining example 1, the mounting lug 2 is fixed to the outer side of the vacuum pump body 1, and the mounting lug 2 and the mounting bracket 3 are fixedly connected by bolts; the mounting bracket 3 is fixedly connected with the longitudinal beam 4 through four groups of inner hexagonal bolts 5, the bottom end of each inner hexagonal bolt 5 extends to the bottom of the inner side of the longitudinal beam 4, the outer side of each inner hexagonal bolt 5 is in threaded connection with a nut 6, each nut 6 is in pressing contact with the longitudinal beam 4, the bottom of each longitudinal beam 4 is provided with an anti-falling assembly 7 used for fixing the nut 6 when the inner hexagonal bolt 5 is detached, a lining 26 is clamped on the bolt between each mounting lug 2 and the mounting bracket 3, each lining 26 is made of rubber, each lining 26 is clamped between each mounting lug 2 and the corresponding mounting bracket 3 of the vacuum pump, each mounting lug 2 is not in contact with the corresponding mounting bracket 3, the lining 26 can play a more obvious vibration damping effect, the use of the lining 26 can reduce the abrasion, vibration and noise of equipment, and has an anti-corrosion effect, and meanwhile, the friction between the vacuum pump body 1 and the mounting brackets 3 is avoided, the service life of the mounting bracket 3 is improved.

Based on the mounting bracket of the vacuum pump provided in the above embodiment, the invention further provides a new energy automobile, which includes the mounting bracket of any one of the vacuum pumps provided in the above embodiments. Because this new energy automobile has adopted the installing support of vacuum pump in the above-mentioned embodiment, please refer to the above-mentioned embodiment for the beneficial effect of this new energy automobile.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A mounting bracket for a vacuum pump, comprising:

the vacuum pump comprises a vacuum pump body (1), mounting lugs (2) and a mounting bracket (3), wherein the mounting lugs (2) are fixed on the outer side of the vacuum pump body (1), and the mounting lugs (2) are fixedly connected with the mounting bracket (3) through bolts;

automobile body longeron (4) and hexagon socket head cap screw (5), installing support (3) are through four groups hexagon socket head cap screw (5) with automobile body longeron (4) fixed connection, the bottom of hexagon socket head cap screw (5) extends to the inboard bottom of automobile body longeron (4), just the outside threaded connection of hexagon socket head cap screw (5) has nut (6), nut (6) with automobile body longeron (4) pressure contact, the bottom of automobile body longeron (4) is provided with and is used for dismantling right during hexagon socket head cap screw (5) nut (6) carry out fixed anti-drop subassembly (7).

2. A mounting bracket for a vacuum pump according to claim 1, wherein: anti-drop subassembly (7) include screw rod (8), screw thread section of thick bamboo (9) and press from both sides tight piece (10), it fixes to press from both sides tight piece (10) the one end of screw rod (8), nut (6) with the inboard of pressing from both sides tight cooperation each other of tight piece (10), the quantity of screw thread section of thick bamboo (9) is two screw rod (8) that the inboard difference symmetry threaded connection of screw thread section of thick bamboo (9) is revolved to opposite, and two the outside of screw thread section of thick bamboo (9) all is fixed with first gear (11), screw thread section of thick bamboo (9) through the bearing with automobile body longeron (4) are rotated and are connected, be provided with on installing support (3) and be used for driving two driving piece (12) of first gear (11) synchronous revolution.

3. A mounting bracket for a vacuum pump according to claim 2, wherein: the number of the screw rods (8) is two, and a limiting plate (13) is fixedly connected between the screw rods (8).

4. A mounting bracket for a vacuum pump according to claim 2, wherein: the driving piece (12) comprises a second gear (14), a third gear (15) and a double-sided toothed belt (16), the number of the third gears (15) is two, and the two third gears (15) correspond to the positions of the two first gears (11), the second gear (14) is in meshed connection with the two third gears (15) through the double-sided toothed belt (16), the first gear (11) is meshed and connected with the outer side of the bottom of the double-sided toothed belt (16), a driving shaft (17) is fixed in the central hole of the second gear (14), a driven shaft (18) is fixed in the central hole of the third gear (15), the driving shaft (17) is rotatably connected with the top of the mounting bracket (3) through a bearing, and the driven shaft (18) is rotatably connected with the bottom of the mounting bracket (3) through a bearing, and one end of the driving shaft (17) is sleeved with a handle (19).

5. A mounting bracket for a vacuum pump according to claim 4, wherein: the outer side of the handle (19) is provided with an anti-slip groove (20).

6. A mounting bracket for a vacuum pump according to claim 1, wherein: convenient-to-detach pieces (21) are arranged above the tops of the four groups of inner hexagonal bolts (5), each convenient-to-detach piece (21) comprises four groups of rope wheels (22) with the same size and shape, the outer sides of the four groups of rope wheels (22) are sleeved with the same transmission rope (23), a fixing shaft (24) is fixed in a center hole of each rope wheel (22), and hexagonal clamping blocks (25) matched with grooves formed in the tops of the inner hexagonal bolts (5) are fixed at the bottoms of the fixing shafts (24).

7. A mounting bracket for a vacuum pump according to claim 1, wherein: the mounting lug (2) and a bushing (26) is clamped on a bolt between the mounting brackets (3), and the bushing (26) is made of rubber materials.

8. The utility model provides a new energy automobile which characterized in that: a mounting bracket comprising a vacuum pump as claimed in any of claims 1 to 7.

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