CN214126148U - Hand-held type direct current branches of tall trees saw - Google Patents
Hand-held type direct current branches of tall trees saw Download PDFInfo
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- CN214126148U CN214126148U CN202022971707.0U CN202022971707U CN214126148U CN 214126148 U CN214126148 U CN 214126148U CN 202022971707 U CN202022971707 U CN 202022971707U CN 214126148 U CN214126148 U CN 214126148U
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Abstract
The utility model discloses a hand-held type direct current branches of tall trees saw, including power portion, connecting portion, work portion, the upper portion of power portion and the lower part interconnect of connecting portion, the upper portion of connecting portion and the lower part interconnect of work portion still include DC power supply, DC power supply and the lower part interconnect of power portion, and connecting portion are the insulator material, and the withstand voltage value of connecting portion is 20kV, and the cross section of connecting portion is irregular circular, is provided with deep groove ball bearing in the connecting portion. The utility model discloses an above-mentioned design, can avoid the risk of electrocuting of branches of tall trees saw, make the intensity of transmission shaft higher simultaneously, make the transmission efficiency of transmission shaft higher.
Description
Technical Field
The utility model relates to a branches of tall trees saw technical field especially relates to a hand-held type direct current branches of tall trees saw.
Background
A high branch saw is a high branch pruning saw and is one of garden machines commonly used for pruning trees in landscaping. Most of the branches of tall trees on the market at present adopt metal transmission shafts, and once a user cuts a charged object when using the branches of tall trees, the user has the risk of electric shock. Although a small part of high branch saws adopt an insulator transmission shaft, the strength and the transmission efficiency of the transmission shaft are not high. Improvements are needed.
Disclosure of Invention
The utility model discloses to the defect such as the transmission inefficiency that has the intensity of electric shock risk, transmission shaft low, transmission shaft that exists among the prior art, provide a new hand-held type direct current branches of tall trees saw.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
the utility model provides a hand-held type direct current branches of tall trees saw, includes power portion, connecting portion, work portion, the upper portion of power portion with the lower part interconnect of connecting portion, the upper portion of connecting portion with the lower part interconnect of work portion still includes DC power supply, DC power supply with the lower part interconnect of power portion, connecting portion are the insulator material, the withstand voltage value of connecting portion is 20kV, the cross section of connecting portion is irregular circular, be provided with deep groove ball bearing in the connecting portion.
The power part is used for providing power for the pole pruning saw. The connecting part is used for connecting the power part and the working part, has a transmission function, and also has a lengthening function, so that the working range of the pole pruning saw is wider. The working part is used for directly cutting and pruning branches and the like. The direct current power supply is used for providing power for the power part, and the direct current power supply can directly use the power supply of the household battery car, so that the applicability of the pole pruning saw is improved. The connecting part is made of an insulator, the withstand voltage value is 20kV, the safety of the pole pruning saw is improved, and the electric shock risk that the pole pruning saw cuts a charged object is avoided. The cross section of the connecting part is designed to be irregular round, so that the connecting part is higher in strength and can support longer length, and the working range of the pole pruning saw is larger. The deep groove ball bearing is used for improving the transmission efficiency of the connecting part, so that the transmission efficiency of the high-branch saw is higher. The utility model discloses an above-mentioned design, can avoid the risk of electrocuting of branches of tall trees saw, make the intensity of transmission shaft higher simultaneously, make the transmission efficiency of transmission shaft higher.
Preferably, in the handheld dc pole saw, the voltage of the dc power supply is 48V to 72V.
The voltage of the direct current power supply is 48V-72V, the design of wide voltage is realized, the application range of the power supply is wider, and therefore the power supply of the household battery car is directly used as the power supply of the pole pruning saw.
Preferably, the handheld direct-current pole pruning saw further comprises a connecting part male aluminum joint and a connecting part female aluminum joint, wherein the connecting part male aluminum joint is connected to the lower part of the connecting part, the connecting part is connected with the power part through the connecting part male aluminum joint, the connecting part female aluminum joint is connected to the upper part of the connecting part, and the connecting part is connected with the working part through the connecting part female aluminum joint.
The male aluminum joint and the female aluminum joint of the connecting part are used for connecting two ends of the connecting part, so that the connecting part is connected more firmly, and the connection of each part of the pole saw has standard performance and expansibility.
Preferably, in the handheld direct-current pole pruning saw, the upper part of the connecting part is provided with a connecting lengthening part, the lower part of the connecting lengthening part is provided with a male lengthening part aluminum joint, the upper part of the connecting lengthening part (24) is provided with a female lengthening part aluminum joint, the male lengthening part aluminum joint and the female connecting part aluminum joint (23) are connected with each other, and the female lengthening part aluminum joint and the working part are connected with each other.
The connecting lengthening part is used for lengthening the length of the pole pruning saw, so that the working range of the pole pruning saw is wider. The extension part male aluminum joint and the extension part female aluminum joint are used for connecting two ends of the extension part, so that the connection of the extension part is firmer, and the connection of each component of the pole saw has standard performance and expansibility.
Preferably, in the handheld direct-current pole pruning saw, the number of the connecting lengthened parts is not less than two, and the connecting lengthened parts are connected with each other.
Through the design, the total length of the pole pruning saw can be adjusted through the combination of the number of the connecting parts and the number of the connecting lengthening parts, so that the length is adjusted more conveniently.
Preferably, the connecting portion of the handheld direct-current pole pruning saw comprises an insulating shaft and an insulating tube, the deep groove ball bearing is fixed inside the insulating tube, and the insulating shaft penetrates through the deep groove ball bearing and is matched with the deep groove ball bearing.
The insulating shaft and the insulating pipe are used for forming a main body structure of the connecting part, and the strength and the transmission efficiency of the connecting part are guaranteed. The deep groove ball bearing and the insulating shaft are matched with each other, so that the transmission efficiency of the connecting part is higher.
Preferably, in the handheld direct-current pole pruning saw, the irregular circular cross section of the connecting part is of a water drop shape.
The water drop type design further improves the strength of the connecting part, so that the connecting part can support a longer length, and the working range of the pole pruning saw is wider.
Preferably, the power unit includes a brushless motor, a power unit gear box assembly, and a square output shaft, the brushless motor is in transmission connection with a lower portion of the square output shaft through the power unit gear box assembly, and an upper portion of the square output shaft is in transmission connection with the connecting portion.
The brushless motor is used for directly providing power, so that the running noise of the power part is lower, the running is smoother, and the service life is longer. The power part gear box component is used for transmission connection, so that the transmission efficiency of the power part is higher. The square output shaft is used for outputting power, so that the power output of the power part is more stable.
Preferably, the handheld direct-current pole pruning saw comprises a working part, a working part gear box assembly, a guide plate and a chain, wherein the chain is connected to the guide plate in a sliding mode, the upper part of the power input shaft is in transmission connection with the chain through the working part gear box assembly and the guide plate, and the lower part of the power input shaft is in transmission connection with the connecting part.
The power input shaft is used for inputting power, so that the power input of the working part is more stable. The working part gear box assembly is used for transmission connection, so that the transmission efficiency of the working part is higher. The guide plate is used for fixing the chain, so that the cutting of the pole pruning saw is more stable. The chain is used for directly cutting and pruning branches and the like, so that the working efficiency of the high branch saw is higher.
Preferably, in the handheld direct-current pole pruning saw, the insulating shaft is made of epoxy resin, and the insulating tube is made of glass fiber.
Through the design, the production cost of the high-branch saw is lower, the strength and the transmission efficiency of the high-branch saw are ensured, and the high-voltage resistant function is achieved.
Drawings
Fig. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a cross-sectional view of the connecting portion of the present invention;
fig. 3 is a partial sectional view of the first embodiment of the present invention;
FIG. 4 is a partial sectional view of the present invention;
FIG. 5 is a second schematic structural view of the present invention;
fig. 6 is a schematic cross-sectional view of the connection portion of the present invention.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings 1-6 and the detailed description, which are not intended to limit the invention:
example 1
The utility model provides a hand-held type direct current branches of tall trees saw, includes power portion 3, connecting portion 2, work portion 1, the upper portion of power portion 3 with the lower part interconnect of connecting portion 2, the upper portion of connecting portion 2 with the lower part interconnect of work portion 1 still includes DC power supply 31, DC power supply 31 with the lower part interconnect of power portion 3, connecting portion 2 is the insulator material, the withstand voltage value of connecting portion 2 is 20kV, the cross section of connecting portion 2 is irregular circular, be provided with deep groove ball bearing 21 in the connecting portion 2.
When the high-branch saw is used, the direct-current power supply 31 is firstly connected with the power part 3, and the high-branch saw is started. At this time, the power unit 3 outputs power, the connecting unit 2 inputs power to the working unit 1, and the pole saw starts to work. After finishing using, the direct current power supply 31 is closed, and finally the utility model discloses an use.
Preferably, the voltage of the dc power supply 31 is 48V to 72V.
Preferably, the power unit further comprises a connecting portion male aluminum joint 22 and a connecting portion female aluminum joint 23, wherein the connecting portion male aluminum joint 22 is connected to the lower portion of the connecting portion 2, the connecting portion 2 is connected with the power portion 3 through the connecting portion male aluminum joint 22, the connecting portion female aluminum joint 23 is connected to the upper portion of the connecting portion 2, and the connecting portion 2 is connected with the working portion 1 through the connecting portion female aluminum joint 23.
Preferably, the upper portion of the connecting portion 2 is provided with a connecting extension portion 24, the lower portion of the connecting extension portion 24 is provided with an extension portion male aluminum connector 25, the upper portion of the connecting extension portion 24 is provided with an extension portion female aluminum connector 26, the extension portion male aluminum connector 25 and the connecting portion female aluminum connector 23 are connected with each other, and the extension portion female aluminum connector 26 and the working portion 1 are connected with each other.
Preferably, the number of the connecting extensions 24 is not less than two, and the connecting extensions 24 are connected to each other.
Preferably, the connecting portion 2 includes an insulating shaft 27 and an insulating tube 28, the deep groove ball bearing 21 is fixed inside the insulating tube 28, and the insulating shaft 27 passes through the deep groove ball bearing 21 and is matched with the deep groove ball bearing 21.
Preferably, the irregular circular cross-section of the connecting portion 2 is of a water drop type.
Preferably, the power part 3 comprises a brushless motor 32, a power part gear box assembly 33 and a square output shaft 34, the brushless motor 32 is in transmission connection with the lower part of the square output shaft 34 through the power part gear box assembly 33, and the upper part of the square output shaft 34 is in transmission connection with the connecting part 2.
Preferably, the working part 1 comprises a power input shaft 11, a working part gear box assembly 12, a guide plate 13 and a chain 14, the chain 14 is slidably connected to the guide plate 13, the upper part of the power input shaft 11 is in transmission connection with the chain 14 through the working part gear box assembly 12 and the guide plate 13, and the lower part of the power input shaft 11 is in transmission connection with the connecting part 2.
Preferably, the insulating shaft 27 is made of epoxy resin, and the insulating tube 28 is made of glass fiber.
More specifically, when the high branch saw is used, the length of the high branch saw is adjusted by increasing or decreasing the connecting part 2 and connecting the lengthening part 24, and rodless, one-section rod, two-section pipe, three-section pipe and the like can be formed to be suitable for environments with different heights. Then, the DC power supply 31 is connected with the power part 3 to start the high branch saw. At this time, the brushless motor 32 transmits power to the square output shaft 34 through the power unit gearbox assembly 33, the square output shaft 34 transmits power to the insulating shaft 27, the insulating shaft 27 transmits power to the power input shaft 11, the power input shaft 11 drives the chain 14 to operate through the working unit gearbox assembly 12, and the high branch saw starts to operate. After finishing using, the direct current power supply 31 is closed, and finally the utility model discloses an use.
Wherein, the working part 1 and the power part 3 can be connected by direct transmission to form a rodless state, and the utility model discloses can accomplish conventional electric saw work. When the extension is needed, the connecting part 2 and even the extension part 24 are added between the working part 1 and the power part 3.
In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the present invention.
Claims (10)
1. The utility model provides a hand-held type direct current branches of tall trees saw, includes power portion (3), connecting portion (2), work portion (1), the upper portion of power portion (3) with the lower part interconnect of connecting portion (2), the upper portion of connecting portion (2) with the lower part interconnect of work portion (1), its characterized in that: still include DC power supply (31), DC power supply (31) with the lower part interconnect of power portion (3), connecting portion (2) are the insulator material, the withstand voltage value of connecting portion (2) is 20kV, the cross section of connecting portion (2) is irregular circular, be provided with deep groove ball bearing (21) in connecting portion (2).
2. A hand-held dc pole pruning saw according to claim 1, wherein: the voltage of the direct current power supply (31) is 48-72V.
3. A hand-held dc pole pruning saw according to claim 1, wherein: still include connecting portion public aluminium joint (22), connecting portion female aluminium joint (23), connecting portion public aluminium joint (22) connect in the lower part of connecting portion (2), connecting portion (2) pass through connecting portion public aluminium joint (22) with power portion (3) interconnect, connecting portion female aluminium joint (23) connect in the upper portion of connecting portion (2), connecting portion (2) pass through connecting portion female aluminium joint (23) with work portion (1) interconnect.
4. A hand-held dc pole pruning saw according to claim 3, wherein: the upper portion of connecting portion (2) is provided with connects extension portion (24), the lower part of connecting extension portion (24) is provided with the public aluminium joint of extension portion (25), the upper portion of connecting extension portion (24) is provided with the female aluminium joint of extension portion (26), the public aluminium joint of extension portion (25) with the female aluminium joint of connecting portion (23) interconnect, the female aluminium joint of extension portion (26) with work portion (1) interconnect.
5. A hand-held DC pole pruning saw as claimed in claim 4, wherein: the number of the connecting lengthening parts (24) is not less than two, and the connecting lengthening parts (24) are connected with each other.
6. A hand-held dc pole pruning saw according to claim 1, wherein: the connecting portion (2) comprises an insulating shaft (27) and an insulating tube (28), the deep groove ball bearing (21) is fixed inside the insulating tube (28), and the insulating shaft (27) penetrates through the deep groove ball bearing (21) and is matched with the deep groove ball bearing (21).
7. A hand-held dc pole pruning saw according to claim 1, wherein: the irregular circular cross section of the connecting part (2) is of a water drop shape.
8. A hand-held dc pole pruning saw according to claim 1, wherein: the power part (3) comprises a brushless motor (32), a power part gear box component (33) and a square output shaft (34), the brushless motor (32) is connected with the lower portion of the square output shaft (34) in a transmission mode through the power part gear box component (33), and the upper portion of the square output shaft (34) is connected with the connecting portion (2) in a transmission mode.
9. A hand-held dc pole pruning saw according to claim 1, wherein: work portion (1) includes power input shaft (11), work portion gear box subassembly (12), baffle (13), chain (14) sliding connection in on baffle (13), the upper portion of power input shaft (11) is passed through work portion gear box subassembly (12) baffle (13) with chain (14) transmission is connected, the lower part of power input shaft (11) with connecting portion (2) transmission is connected.
10. The hand-held dc pole pruning saw of claim 6, wherein: the insulating shaft (27) is made of epoxy resin, and the insulating tube (28) is made of glass fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022971707.0U CN214126148U (en) | 2020-12-11 | 2020-12-11 | Hand-held type direct current branches of tall trees saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022971707.0U CN214126148U (en) | 2020-12-11 | 2020-12-11 | Hand-held type direct current branches of tall trees saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214126148U true CN214126148U (en) | 2021-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022971707.0U Active CN214126148U (en) | 2020-12-11 | 2020-12-11 | Hand-held type direct current branches of tall trees saw |
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| Country | Link |
|---|---|
| CN (1) | CN214126148U (en) |
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2020
- 2020-12-11 CN CN202022971707.0U patent/CN214126148U/en active Active
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