CN215358287U - Battery built-in electric hydraulic tool - Google Patents
Battery built-in electric hydraulic tool Download PDFInfo
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- CN215358287U CN215358287U CN202120877366.2U CN202120877366U CN215358287U CN 215358287 U CN215358287 U CN 215358287U CN 202120877366 U CN202120877366 U CN 202120877366U CN 215358287 U CN215358287 U CN 215358287U
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- 238000003780 insertion Methods 0.000 claims abstract description 22
- 230000037431 insertion Effects 0.000 claims abstract description 22
- 230000000153 supplemental effect Effects 0.000 claims description 4
- 230000004308 accommodation Effects 0.000 description 6
- 230000006378 damage Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Abstract
The utility model provides a battery-embedded electric hydraulic tool, which comprises a hydraulic base body, a hand piece and a battery component. The hydraulic base body comprises a motor assembly, an oil tank assembly, a pump body assembly and an oil cylinder assembly. The hand piece is arranged at the tail end of the oil tank assembly and extends towards one side of the bottom of the hydraulic base body, and a conductive part electrically connected with the motor assembly is arranged in the hand piece. The battery pack comprises a battery compartment, at least one battery detachably connected to the battery compartment and a battery compartment connecting portion, the battery compartment is arranged at the bottom of the handheld piece, an insertion hole is formed in the battery compartment, at least one battery pack is detachably inserted into the battery compartment and electrically connected with a conductive portion on the handheld piece, the battery compartment connecting portion is arranged on one side, close to the pump body assembly, of the handheld piece, and the two ends of the battery compartment connecting portion are respectively connected with the motor assembly and the battery compartment.
Description
Technical Field
The present invention relates to an electro-hydraulic tool, and more particularly, to an electro-hydraulic tool with a built-in battery.
Background
The electric hydraulic tool is a tool for converting the rotary mechanical energy of power machinery (such as an internal combustion engine and an electric motor) into hydraulic energy and outputting the hydraulic energy, and is widely used for concrete engineering construction, breaking and dismantling construction or important tools for emergency rescue and disaster relief. The traditional electric hydraulic device is mostly split type, and comprises a hydraulic main body and a working head which are large and heavy, so that the device is inconvenient to carry and is difficult to operate in a space with a small size, and particularly, the device is used in occasions of emergency rescue and disaster relief.
To solve this problem, integral hand-held electro-hydraulic tools are currently on the market. Compared with the traditional split type electro-hydraulic device, the integrated handheld electro-hydraulic tool is greatly improved in size and weight. However, most of the conventional integrated hand-held electro-hydraulic tools are externally powered. External power supply type electric hydraulic tool has certain limitation, is not beneficial to outdoor operation, and is not beneficial to places where the power supply is inconvenient or the power supply voltage and the joints are not matched.
SUMMERY OF THE UTILITY MODEL
The utility model provides an electric hydraulic tool with a built-in battery, aiming at overcoming the defects of the prior art.
To achieve the above objects, the present invention provides a battery-powered electro-hydraulic tool including a hydraulic base, a hand piece, and a battery pack. The hydraulic base body comprises a motor assembly, an oil tank assembly, a pump body assembly and an oil cylinder assembly. The hand piece is arranged at the tail end of the oil tank assembly and extends towards one side of the bottom of the hydraulic base body, and a conductive part electrically connected with the motor assembly is arranged in the hand piece. The battery pack comprises a battery compartment, at least one battery detachably connected to the battery compartment and a battery compartment connecting portion, the battery compartment is arranged at the bottom of the handheld piece, an insertion hole is formed in the battery compartment, at least one battery pack is detachably inserted into the battery compartment and electrically connected with a conductive portion on the handheld piece, the battery compartment connecting portion is arranged on one side, close to the pump body assembly, of the handheld piece, and the two ends of the battery compartment connecting portion are respectively connected with the motor assembly and the battery compartment.
According to an embodiment of the utility model, the battery compartment connecting portion has an accommodating space on a side wall thereof close to the pump body assembly, and the hydraulic base body further includes a supplementary oil tank connected to the pump body assembly and embedded in the accommodating space of the battery compartment connecting portion.
According to one embodiment of the utility model, the supplementary oil tank is integrally formed with the housing of the pump body assembly, and the housing of the pump body assembly is fixedly connected to the oil tank assembly and the motor assembly through the connecting plate.
According to an embodiment of the utility model, the battery compartment is cubic, the insertion opening is formed on the tail end wall of the battery compartment, the front end wall and the two side walls of the battery compartment are both closed structures, and at least one battery is detachably inserted into the battery compartment along the horizontal direction.
According to an embodiment of the utility model, a sliding groove is formed at the joint of the handheld portion and the battery compartment, two electrode plates are arranged in the sliding groove and used as conductive portions, the battery is provided with an insertion portion, the top end of the insertion portion is provided with two electrode plate insertion grooves, and the two electrode plates are inserted into the electrode plate insertion grooves.
According to an embodiment of the present invention, the insertion portion further has an elastic hook protruding upward, the sliding groove has a vertical slot therein, and the front end wall of the elastic hook forms an inclined guide surface.
According to an embodiment of the utility model, each battery comprises a battery body accommodated in the battery compartment and a grip part arranged at the tail end of the battery body and positioned outside the battery compartment.
According to one embodiment of the utility model, the oil cylinder assembly comprises an oil cylinder and a push shaft arranged in the oil cylinder, the tail end of the oil cylinder is provided with a containing groove, the plunger pump in the pump body assembly is arranged in the containing groove, and the plunger mounted in the plunger hole is limited by the inner wall of the containing groove.
According to an embodiment of the utility model, the battery built-in type electric hydraulic tool further comprises a working head assembly which is detachably connected with the oil cylinder assembly, and the working head assembly is a cutting machine assembly, a punching machine assembly or a riveting machine assembly.
In conclusion, the battery component is arranged at the bottom of the hand piece in the battery built-in type electric hydraulic tool provided by the utility model, and the battery component and the hydraulic base body are in an integrated structure, so that the motor component can be directly powered without an external power supply, and the use is very convenient. In battery pack, the battery is the detachable battery that holds in the battery compartment, and the battery compartment protects the battery, plays dampproofing, anticreep and the effect of preventing destruction. And the detachable connection structure also greatly facilitates the charging and replacement of the battery. Furthermore, battery pack still includes battery connecting portion, and battery connecting portion's setting has not only realized the stable connection in battery compartment, and accommodation space in the battery connecting portion still provides accommodation space for the setting of supplementary oil tank simultaneously, has realized the reduction of hydraulic tool volume when improving hydraulic tool power.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
Fig. 1 is a schematic structural view of an electric hydraulic tool with a built-in battery according to an embodiment of the present invention.
Fig. 2 is a schematic view showing a structure in which the battery and the battery compartment are separated from each other in fig. 1.
Fig. 3 is a schematic structural diagram of fig. 2 from another view angle.
Fig. 4 is an enlarged schematic view of a portion a of fig. 2.
Fig. 5 is a partial schematic view of the interior of the battery compartment.
Fig. 6 shows a schematic view of the assembly of the plunger pump and the cylinder.
Fig. 7 is a schematic cross-sectional view of fig. 6.
Fig. 8 is an exploded view of the plunger pump and cylinder.
Detailed Description
As shown in fig. 1 to 8, the battery-housed electro-hydraulic tool provided in the present embodiment includes a hydraulic base 1, a hand piece 2, and a battery assembly 3. The hydraulic base body 1 comprises a motor assembly 11, an oil tank assembly 12, a pump body assembly 13 and an oil cylinder assembly 14. The hand piece 2 is disposed at the tail end of the oil tank assembly 12 and extends toward the bottom side of the hydraulic base body 1, and the interior of the hand piece 2 is provided with a conductive part electrically connected with the motor assembly 11. The battery assembly 3 includes a battery compartment 31, at least one battery 32 detachably connected to the battery compartment 31 and a battery compartment connecting portion 33, the battery compartment 31 is disposed at the bottom of the handheld device 2, the battery compartment 31 has an insertion opening 311, at least one battery 32 is detachably inserted into the battery compartment 31 and electrically connected to a conductive portion of the handheld device 2, the battery compartment connecting portion 33 is disposed at one side of the handheld device 2 close to the pump body assembly 13, and two ends of the battery compartment connecting portion 33 are respectively connected to the motor assembly 11 and the battery compartment 32.
In this embodiment, battery pack 3 sets up in the bottom of handheld piece 2, places battery compartment 31 in the battery 32 in, and battery compartment 31 protects battery 32, plays dustproof, waterproof and prevent the effect of harm, has effectively avoided external environment, especially the adverse outdoor operations environment of environment to the influence of battery, prolongs the life of battery greatly. The combined action of the handpiece 2 and the battery compartment connection 33 not only allows the center of the entire hydraulic tool in length to be well balanced, but also provides good stability to heavy high capacity batteries. In the present embodiment, the battery pack 3 has one battery and the battery is a 48V large-capacity battery, and the large-capacity battery has a longer standby time, so that the working efficiency of the electro-hydraulic tool is greatly improved. However, the present invention is not limited thereto. In other embodiments, the battery assembly may also include a plurality of batteries.
In this embodiment, the battery compartment 31 is shaped like a cube, the insertion opening 311 is formed on the tail end wall of the battery compartment 31, the front end wall and the two side walls of the battery compartment 31 are both closed structures, and the battery 32 is detachably inserted into the battery compartment 31 along the horizontal direction. The insertion opening 311 in the rear end wall of the battery compartment provides more space for the battery to be mounted and removed. However, the present invention is not limited thereto.
In this embodiment, as shown in fig. 4 and 5, a sliding slot 312 is formed at a connection portion between the handheld portion 2 and the battery compartment 31, two electrode tabs 313 are disposed in the sliding slot 312 as conductive portions, an insertion portion 321 is disposed on the battery 32, two electrode tab slots 3211 are disposed at a top end of the insertion portion 321, and the two electrode tabs 313 are inserted into the electrode tab slots 3211. The insertion portion 321 and the sliding groove 312 realize the detachable connection of the battery 32, and the electrode tab 311 and the electrode tab slot 3211 realize the electrical connection of the battery 32 and the motor assembly 12. Further, in order to improve the reliability of battery installation, in this embodiment, the insertion portion 321 further has an elastic hook 322 protruding upward, the sliding groove 312 has a vertical slot 3121 matching with the elastic hook 322, and a front end wall of the elastic hook 322 forms an inclined guide surface. When the battery 32 is inserted into the battery compartment 31, the elastic catch 3212 is caught in the vertical catch 3121. In the present embodiment, each battery 32 includes a battery body 32A accommodated in the battery compartment and a grip portion 32B disposed at the tail end of the battery body 32A and located outside the battery compartment 31. When the battery 32 needs to be detached, an operator applies force to the grip portion 32B and pulls the battery 32 outwards, the elastic hook 322 is separated from the vertical slot 3121, the two electrode tabs 313 are separated from the electrode tab slot 3211, and the battery 32 slides out of the sliding groove 312. In order to facilitate the detachment of the battery, in the embodiment, the grip portion 32B further has a force application portion 323 for triggering the elastic hook 322. When the battery 32 is detached, the elastic hook 322 is separated from the vertical slot 3121 by pressing the force applying portion 323, and then the battery 32 is pulled out.
In this embodiment, the battery compartment connecting portion 33 has an accommodating space on the side wall close to the pump body assembly 13, the hydraulic substrate 1 further includes a supplementary oil tank 15, and the supplementary oil tank 15 is connected to the pump body assembly 13 and embedded in the accommodating space of the battery compartment connecting portion 33. The supplemental oil tank 15 provides the pump body assembly 13 with more sufficient oil to ensure that the electro-hydraulic tool has sufficient power during operation, the workpiece is machined more quickly, and the quality of the machined workpiece is higher. The arrangement of the accommodation space on the battery compartment connecting portion 33 provides an accommodation space for the distribution of the supplementary oil tank 15, thereby making the structure of the hydraulic tool more compact. In this embodiment, the external dimension of the supplemental oil tank 15 is only slightly smaller than the space in the accommodating space, and this arrangement, on one hand, fills the accommodating space with the supplemental oil tank 15 and improves the connection strength of the battery compartment connecting part 33; in addition, the inner wall of the accommodating space also limits the supplementary oil tank 15.
In the present embodiment, as shown in fig. 1, the supplementary oil tank 15 is integrally formed with the housing of the pump body assembly 13, and the housing of the pump body assembly 13 is fixedly connected to the oil tank assembly 12 and the motor assembly 11 through the connection plate 131. Specifically, four corners of the connecting plate are detachably connected to the motor module 11 and the oil tank module 12 via two screws at the bottom and two screws at the top, respectively. However, the present invention is not limited thereto.
In current pump body subassembly, the plunger pump sets up in the bottom outside of hydro-cylinder and by the oil tank cladding. When the plunger assembly fails, the maintenance personnel remove the oil tank to expose the plunger pump. Because the plunger is installed in the plunger pump body through the spring, the plunger is abutted and limited by the external oil tank after assembly. After the oil tank is dismantled, the spacing power on the plunger disappears, and the plunger can be bounced to the counter-force of plunger spring, is unfavorable for plunger subassembly's maintenance and installation very much. In the embodiment, the cylinder assembly 14 includes a cylinder 141 and a pushing shaft (not shown due to the view point) disposed in the cylinder, the rear end of the cylinder 141 has a receiving groove 1411, the plunger pump 131 in the pump body assembly 13 is disposed in the receiving groove 1411, and a plunger hole 1311 for installing a plunger on the plunger pump 131 is opposite to the inner wall of the receiving groove 141. This setting makes and demolishs the oil tank after, and the inner wall of holding tank 1411 also can carry on spacingly to the plunger, and the part in the plunger can not flown by the bullet, has greatly made things convenient for the maintenance of plunger subassembly.
In this embodiment, the battery-embedded electro-hydraulic tool further includes a working head assembly 15 detachably connected to the cylinder assembly 14. Specifically, in the present embodiment, the working head assembly 15 is a cutting machine assembly. However, the present invention is not limited thereto. In other embodiments, the workhead assembly can also be a punch assembly or a riveter assembly.
In conclusion, the battery component is arranged at the bottom of the hand piece in the battery built-in type electric hydraulic tool provided by the utility model, and the battery component and the hydraulic base body are in an integrated structure, so that the motor component can be directly powered without an external power supply, and the use is very convenient. In battery pack, the battery is the detachable battery that holds in the battery compartment, and the battery compartment protects the battery, plays dampproofing, anticreep and the effect of preventing destruction. And the detachable connection structure also greatly facilitates the charging and replacement of the battery. Furthermore, battery pack still includes battery connecting portion, and battery connecting portion's setting has not only realized the stable connection in battery compartment, and accommodation space in the battery connecting portion still provides accommodation space for the setting of supplementary oil tank simultaneously, has realized the reduction of hydraulic tool volume when improving hydraulic tool power.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (9)
1. A battery-powered electro-hydraulic tool, comprising:
the hydraulic base body comprises a motor assembly, an oil tank assembly, a pump body assembly and an oil cylinder assembly;
the handheld piece is arranged at the tail end of the oil tank assembly and extends towards one side of the bottom of the hydraulic base body, and a conductive part electrically connected with the motor assembly is arranged in the handheld piece;
the battery pack comprises a battery compartment, at least one battery detachably connected to the battery compartment and a battery compartment connecting portion, the battery compartment is arranged at the bottom of the handheld piece, an insertion hole is formed in the battery compartment, at least one battery pack is detachably inserted into the battery compartment and electrically connected with a conductive portion on the handheld piece, the battery compartment connecting portion is arranged on one side, close to the pump body assembly, of the handheld piece, and the two ends of the battery compartment connecting portion are respectively connected with the motor assembly and the battery compartment.
2. The battery-embedded electro-hydraulic tool according to claim 1, wherein the battery compartment connecting portion has a receiving space on a side wall thereof adjacent to the pump body assembly, and the hydraulic base further includes a supplementary oil tank connected to the pump body assembly and embedded in the receiving space of the battery compartment connecting portion.
3. The battery-housed electro-hydraulic tool of claim 2, wherein the supplemental oil tank is integrally formed with a housing of the pump body assembly, the housing of the pump body assembly being fixedly connected to the oil tank assembly and the motor assembly by a connecting plate.
4. The internal battery type electro-hydraulic tool of claim 1, wherein the battery compartment has a cubic shape, the insertion opening is formed in a rear end wall of the battery compartment, a front end wall and two side walls of the battery compartment are closed structures, and at least one battery is detachably inserted into the battery compartment in a horizontal direction.
5. The internal battery type electro-hydraulic tool according to claim 1, wherein a connecting portion between the handle portion and the battery compartment has a sliding groove, two electrode tabs are provided in the sliding groove as conductive portions, the battery has an insertion portion, and two electrode tab insertion grooves are provided at a top end of the insertion portion, and the two electrode tabs are inserted into the electrode tab insertion grooves.
6. The electro-hydraulic tool with built-in battery of claim 5, wherein the insertion portion further has an upwardly protruding elastic hook, the sliding groove has a vertical slot therein, the vertical slot is engaged with the elastic hook, and the front end wall of the elastic hook forms an inclined guide surface.
7. The battery-powered electro-hydraulic tool of claim 5 wherein each battery includes a battery body received within the battery compartment and a grip disposed at a rear end of the battery body and external to the battery compartment.
8. The battery-embedded electro-hydraulic tool of claim 1, wherein the cylinder assembly comprises a cylinder and a push shaft disposed in the cylinder, the rear end of the cylinder has a receiving groove, the plunger pump in the pump body assembly is disposed in the receiving groove, and an inner wall of the receiving groove limits the plunger mounted in the plunger hole.
9. The battery-housed electro-hydraulic tool of claim 1, further comprising a workhead assembly removably attached to the cylinder assembly, the workhead assembly being a cutter assembly, a punch assembly, or a riveter assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120877366.2U CN215358287U (en) | 2021-04-26 | 2021-04-26 | Battery built-in electric hydraulic tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120877366.2U CN215358287U (en) | 2021-04-26 | 2021-04-26 | Battery built-in electric hydraulic tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215358287U true CN215358287U (en) | 2021-12-31 |
Family
ID=79628343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120877366.2U Active CN215358287U (en) | 2021-04-26 | 2021-04-26 | Battery built-in electric hydraulic tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215358287U (en) |
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2021
- 2021-04-26 CN CN202120877366.2U patent/CN215358287U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Battery built-in electric hydraulic tools Granted publication date: 20211231 Pledgee: Bank of China Limited Zhejiang Branch Pledgor: EUROPEAN SHIELD TECHNOLOGY CO.,LTD. Registration number: Y2024330001039 |