CN216177207U

CN216177207U - Reciprocating saw suitable for underwater operation

Info

Publication number: CN216177207U
Application number: CN202122201808.4U
Authority: CN
Inventors: 张希鼎
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-04-05
Anticipated expiration: 2031-09-10

Abstract

The utility model discloses a reciprocating saw suitable for underwater operation, which comprises a shell, wherein a sealing cavity and an installation cavity are respectively arranged in the shell, a motor is arranged in the sealing cavity, a sealing shell which can be communicated with the sealing cavity is arranged in the installation cavity, and an air tap is also arranged on one side of the sealing cavity; the blade fixing assembly is used for fixing the blades and is arranged at the front end of the mounting cavity in a reciprocating manner; drive mechanism, drive mechanism set up in the sealed casing, and be connected with the motor, convert motor rotary motion into reciprocating motion to stretch out sealed casing through sealing element and be connected with the fixed subassembly of blade, through the setting of air cock, can be with gas pressure rush into in the sealed cavity, thereby when the operation in aqueous, can not cause the inner circuit infiltration because external pressure is big, play waterproof sealing's effect that can be fine, can be in operation in aquatic or deep water, improve the practicality of reciprocating saw, be applicable to wide use.

Description

Reciprocating saw suitable for underwater operation

Technical Field

The utility model relates to the technical field of reciprocating saws, in particular to a reciprocating saw suitable for underwater operation.

Background

Reciprocating saws are used to cut a variety of articles made of different materials, such as metal pipes, wood, and plasterboard, among others. Such saws generally include a housing and a reciprocating bar mounted in the housing for reciprocating movement of a working element in a direction parallel to a longitudinal axis of the reciprocating bar.

However, the existing reciprocating saw does not have a waterproof sealing structure, so that the existing reciprocating saw cannot work in water; therefore, there is a need for a reciprocating saw that is suitable for underwater operations.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a reciprocating saw applicable to underwater work, which solves one or more of the problems of the related art.

In order to achieve the purpose, the utility model adopts the following scheme: a reciprocating saw adapted for underwater operation, comprising:

the air faucet comprises a shell, wherein a sealed cavity and an installation cavity are respectively arranged in the shell, a motor is arranged in the sealed cavity, a sealed shell which can be communicated with the sealed cavity is arranged in the installation cavity, and an air faucet is further arranged on one side of the sealed cavity;

the blade fixing assembly is used for fixing the blade and is arranged at the front end of the mounting cavity in a reciprocating manner;

and the transmission mechanism is arranged in the sealing shell and is connected with the motor, converts the rotary motion of the motor into reciprocating motion, and extends out of the sealing shell through the sealing element to be connected with the blade fixing component.

Further, still be equipped with the power supply unit that can provide the electric energy on the casing, power supply unit is including setting up sealed cavity lower extreme rather than the sealed battery seal receptacle that is linked together the lower extreme of battery seal receptacle is equipped with base sealing member and battery quick detach seat, form between the terminal surface under battery quick detach seat and the sealed cavity and to let battery detachable plug-in battery slot, base sealing member sets up in the battery slot, and be equipped with electrically conductive copper post on the base sealing member, still be equipped with in the battery seal receptacle and be connected and can control the controlling means of motor work with electrically conductive copper post electricity.

Furthermore, the control device comprises a circuit board installed in the battery seal seat, a motor speed regulation switch is arranged in the seal cavity and is respectively electrically connected with the motor and the circuit board, an adjusting pull rod is movably inserted at the rear end of the seal cavity, a rectangular frame is arranged at the inner end of the adjusting pull rod, the motor speed regulation switch is arranged in the rectangular frame, and an adjusting button of the motor speed regulation switch abuts against the inner side of the rectangular frame.

Furthermore, a hollow bolt is arranged at the rear end of the sealed cavity, a threaded portion of the hollow bolt penetrates into the sealed cavity from the outside of the shell and is connected with a nut, a first sealing ring is arranged between a bolt head of the hollow bolt and the shell, and a second sealing ring is sleeved on the adjusting pull rod and movably penetrates through the hollow bolt.

Further, be equipped with motor support in the installation cavity, motor support one end extends to in the sealed cavity with motor fixed connection, and is equipped with the third sealing washer between motor support and the installation cavity inner wall, sealed casing is equipped with the fourth sealing washer including lower casing and last casing down between casing and the motor support, and fix both through the bolt.

Further, the transmission mechanism comprises a first bearing arranged on the lower shell, a rotating shaft is rotatably arranged on the first bearing, a first bevel gear is arranged on the rotating shaft, the upper end of the rotating shaft extends to the upper shell and is provided with an eccentric column, the eccentric column is connected with the blade fixing component, a second bevel gear is arranged on an output shaft of the motor, and the second bevel gear extends into the lower shell and is meshed with the first bevel gear.

Further, the sealing element is a mechanical sealing element, the mechanical sealing element is sleeved on the rotating shaft, and one end with a spring abuts against the end face of the first bevel gear.

Further, the blade fixing assembly is arranged on the fixing seat of the front side of the lower shell, a linear bearing seat is arranged on the fixing seat, a reciprocating rod is movably arranged in the linear bearing seat, a chuck used for clamping a blade is arranged at the front end of the reciprocating rod, a sliding groove is formed in the left and right of the rear end of the reciprocating rod, a second bearing is sleeved on the eccentric column, and the second bearing is movably arranged in the sliding groove.

Further, the battery seal seat comprises an upper seat shell and a lower seat shell, a seventh sealing ring is arranged at the joint between the upper seat shell and the seal cavity and fixed with the upper seat shell and the seal cavity through bolts, and an eighth sealing ring is arranged between the upper seat shell and the lower seat shell and fixed with the upper seat shell and the lower seat shell through bolts.

Further, the shell comprises a sheath a, a sheath b, an aluminum shell a and an aluminum shell b, the aluminum shell a and the aluminum shell b are fixedly combined through bolts to form a sealed cavity, a sealing colloid is arranged between the aluminum shell a and the aluminum shell b, and the sheath a and the sheath b are fixedly combined through bolts to form an installation cavity.

In summary, the beneficial effects of the utility model are as follows: at first, be provided with sealed cavity and the sealed casing that is linked together, set up the motor in sealed cavity, set up drive mechanism in sealed casing and be connected with the motor, rethread seal element makes drive mechanism be connected with blade fixed subassembly, in addition, through the setting of air cock again, can be with gas pressure rush into sealed cavity in, thereby when the operation in aqueous, can not cause the internal circuit infiltration because external pressure is big, the effect of waterproof sealing can be fine played, can be in aquatic or deep water operation, the practicality of reciprocating saw is improved, and the device is suitable for wide use.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a schematic cross-sectional view of the present invention.

Fig. 3 is a partial cross-sectional schematic view of the present invention.

Fig. 4 is a schematic cross-sectional view of the seal housing of the present invention.

Fig. 5 is a schematic cross-sectional view of a battery sealing seat according to the present invention.

FIG. 6 is an enlarged view taken at A of FIG. 2 according to the present invention.

FIG. 7 is an enlarged view of the utility model at B of FIG. 2.

Description of reference numerals: 1. a housing; 2. sealing the cavity; 3. installing a cavity; 4. sealing the housing; 5. an air tap; 6. a sealing element; 7. a motor; 21. a battery seal seat; 22. a base seal; 23. a battery quick-release seat; 24. a battery slot; 25. a conductive copper pillar; 31. a circuit board; 32. a motor speed regulation switch; 33. adjusting the pull rod; 34. a rectangular frame; 41. a hollow bolt; 42. a nut; 43. a first seal ring; 44. a second seal ring; 50. a motor bracket; 51. a lower housing; 52. an upper housing; 53. a third seal ring; 54. a fourth seal ring; 61. A first bearing; 62. a rotating shaft; 63. a first bevel gear; 64. an eccentric column; 65. a second bevel gear; 81. a fixed seat; 82. a linear bearing seat; 83. a reciprocating lever; 84. a chuck; 85. a sliding groove; 86. a second bearing; 91. an upper seat shell; 92. a lower seat shell; 93. an eighth seal ring; 101. A sheath a; 102. a sheath b; 103. an aluminum case a; 104. an aluminum case b; 10. a handle; 11. a bolt; 12. sealing gaskets; 13. a cover body.

Detailed Description

The following detailed description provides many different embodiments or examples for implementing the utility model. Of course, these are merely embodiments or examples and are not intended to be limiting. In addition, repeated reference numbers, such as repeated numbers and/or letters, may be used in various embodiments. These iterations are for simplicity and clarity of describing the present invention and are not intended to represent a particular relationship between the various embodiments and/or configurations discussed.

The utility model is further described in the following figures and detailed description: a reciprocating saw adapted for underwater operation as shown in fig. 1 to 7, comprising:

casing 1, be equipped with sealed cavity 2 and installation cavity 3 in the casing 1 respectively, be equipped with motor 7 in the sealed cavity 2, be equipped with the sealed casing 4 that can be linked together with sealed cavity 2 in the installation cavity 3 air cock 5 is still installed to one side of sealed cavity 2, be equipped with the sealing washer between air cock 5 and the casing 1, can ensure the leakproofness, accessible air cock 5 realizes aerifing and loses heart.

A blade fixing assembly for fixing the blade and disposed at the front end of the mounting chamber 3 in a back-and-forth reciprocating motion;

and the transmission mechanism is arranged in the sealing shell 4, is connected with the motor 7, converts the rotary motion of the motor 7 into reciprocating motion, and extends out of the sealing shell 4 through the sealing element 6 to be connected with the blade fixing component.

According to the structure, at first be provided with seal chamber 2 and the seal housing 4 who is linked together, set up motor 7 in seal chamber 2, set up drive mechanism in seal housing 4 and be connected with motor 7, rethread seal element 6 makes drive mechanism and blade fixed subassembly be connected, in addition, rethread air nozzle 5's setting, can be with in gas pressure rushes into seal chamber 2, thereby when the operation in aqueous, can not cause the internal circuit infiltration because external pressure is big, play waterproof sealing's effect that can be fine, can be at aquatic or the operation in deep water, improve reciprocating saw's practicality, and is suitable for wide use.

Specifically, the casing 1 includes a sheath a101, a sheath b102, an aluminum casing a103 and an aluminum casing b104, the aluminum casing a103 and the aluminum casing b104 are combined and fixed by bolts to form a sealed cavity 2, a sealing colloid is disposed between the two, the sheath a101 and the sheath b102 are combined and fixed by bolts to form an installation cavity 3, a handle 10 is further disposed on the rear side of the casing 1, the two handles 10 are disposed in half and are respectively integrated with the aluminum casing a103 and the aluminum casing b104, and the handle 10 is formed when the aluminum casing a103 and the aluminum casing b104 are covered.

In the utility model, a power supply device capable of providing electric energy is further arranged on the shell 1, the power supply device comprises a battery sealing seat 21 which is arranged at the lower end of the sealing cavity 2 and is communicated with the lower end of the sealing cavity in a sealing way, a base sealing piece 22 and a battery quick-release seat 23 are arranged at the lower end of the battery sealing seat 21, a battery slot 24 into which a battery can be detachably inserted is formed between the battery quick-release seat 23 and the lower end surface of the sealing cavity 2, the base sealing piece 22 is arranged in the battery slot 24, a conductive copper column 25 is arranged on the base sealing piece 22, a control device which is electrically connected with the conductive copper column 25 and can control the motor 7 to work is further arranged in the battery sealing seat 21, the control device comprises a circuit board 31 arranged in the battery sealing seat 21, a motor speed regulating switch 32 is arranged in the sealing cavity 2, and the motor speed regulating switch 32 is respectively connected with the motor 7, The circuit board 31 electric connection sealed cavity 2 rear end activity is inserted and is equipped with adjusting pull rod 33's the inner is equipped with rectangular frame 34, motor speed governing switch 32 sets up in rectangular frame 34, and motor speed governing switch 32's adjustment button supports and leans on the inboard at rectangular frame 34, and according to above-mentioned structure, this device is through battery powered, consequently can realize wireless work, and is extremely convenient, and the battery is demountable installation in addition, and the battery can be dismantled and charge.

The circuit board 31 is provided with the radiating fins, so that the radiating function can be well achieved, the temperature of the circuit board 31 is guaranteed, and the service life is prolonged.

The rotation speed of the motor 7 can be adjusted by setting the motor speed regulating switch 32, so as to adjust the cutting speed of the blade, and the adjustment is realized by pulling the adjusting pull rod 33 to enable the rectangular frame 34 to move outwards and simultaneously push an adjusting button of the speed regulating switch 32, so as to adjust the rotation speed of the motor 7.

In order to improve the leakproofness of adjusting the pull rod 33 the rear end of sealed cavity 2 is equipped with hollow bolt 41, the screw thread portion of hollow bolt 41 is connected with nut 42 in wearing to sealed cavity 2 from casing 1 outward, be equipped with first sealing washer 43 between the bolt head of hollow bolt 41 and the casing 1, adjusting the pull rod 33 and going up the cover and being equipped with second sealing washer 44 and activity and wear to establish in hollow bolt 41, its setting through first sealing washer 43 and second sealing washer 44, play sealed effect that can be fine, prevent the infiltration and prevent the inside gaseous outflow of sealed cavity 2.

In order to improve the sealing performance of the power supply device, referring to fig. 5, the battery sealing seat 21 includes an upper seat shell 91 and a lower seat shell 92, a seventh sealing ring 94 is disposed at a joint between the upper seat shell 91 and the sealing cavity 2 and fixed to the upper seat shell 91 and the lower seat shell 92 by a bolt 11, an eighth sealing ring 93 is disposed between the upper seat shell 91 and the lower seat shell 92 and fixed to the upper seat shell and the lower seat shell by the bolt 11, and a sealing gasket 12 is disposed on the bolt 11, so that water leakage can be prevented and the sealing performance can be ensured by the arrangement of the sealing gasket 12.

Referring to fig. 2 to 4, a motor support 50 is arranged in the mounting cavity 3, one end of the motor support 50 extends into the sealed cavity 2 and is fixedly connected with the motor 7, a third seal ring 53 is arranged between the motor support 50 and the inner wall of the mounting cavity 3, the sealed shell 4 comprises a lower shell 51 and an upper shell 52, a fourth seal ring 54 is arranged between the lower shell 51 and the motor support 50 and is fixed with the lower shell 51 and the motor support 50 through bolts, and the sealing performance between the sealed cavity 2 and the sealed shell 4 can be well guaranteed through the arrangement of the third seal ring 53 and the fourth seal ring 54.

Referring to fig. 4, the transmission mechanism includes a first bearing 61 provided on the lower housing 51, a rotating shaft 62 is rotatably mounted on the first bearing 61, a first bevel gear 63 is provided on the rotating shaft 62, the upper end of the shaft 62 extends to the upper housing 52 and is provided with an eccentric post 64, the eccentric post 64 is connected with the blade holding assembly, a second bevel gear 65 is provided on the output shaft of the motor 7, said second bevel gear 65 extending into the lower housing 51 and engaging the first bevel gear 63 and, in operation, the motor 7 drives the second bevel gear 65 to rotate, the second bevel gear 65 is meshed with the first bevel gear 63 and drives the first bevel gear 63 to rotate, the first bevel gear 63 is connected with the rotating shaft 62 through a flat key, thereby driving the rotating shaft 62 to rotate, and the rotating shaft 62 drives the eccentric column 64 to rotate and connect with the blade fixing component, so that the blade fixing component reciprocates.

In order to improve the sealing performance between the transmission mechanism and the sealing shell 4, the sealing element 6 is a mechanical sealing element, the mechanical sealing element is sleeved on the rotating shaft 62, and one end with a spring abuts against the end face of the first bevel gear 63, so that the sealing performance can be ensured, a cushioning effect can be achieved, and the transmission mechanism can stably work.

Referring to fig. 3, the blade fixing assembly includes a fixing seat 81 disposed at the front side of the lower housing 51, a linear bearing seat 82 is disposed on the fixing seat 81, a reciprocating rod 83 is movably disposed in the linear bearing seat 82, a collet 84 for clamping the blade is disposed at the front end of the reciprocating rod 83, a sliding groove 85 disposed at the left and right is disposed at the rear end of the reciprocating rod 83, a second bearing 86 is sleeved on the eccentric column 64, the second bearing 86 is movably disposed in the sliding groove 85, when the blade fixing assembly operates, the eccentric column 64 drives the second bearing 86 to move in the sliding groove 85, so that the reciprocating rod 83 reciprocates in the linear bearing seat 82, it is worth mentioning that friction can be reduced and the service life can be prolonged by disposing the second bearing 86, a cover body 13 is further disposed on the upper housing 52, and the cover body 13 is disposed above the second bearing 86, the second bearing 86 is prevented from accidentally coming out, and the stability during operation is improved.

While there have been shown and described the fundamental principles and principal features of the utility model and advantages thereof with reference to the drawings, it will be understood by those skilled in the art that the utility model is not limited to the embodiments described above, which are given by way of illustration of the principles of the utility model, but that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A reciprocating saw suitable for underwater operation, comprising:

the air faucet comprises a shell (1), wherein a sealed cavity (2) and an installation cavity (3) are respectively arranged in the shell (1), a motor (7) is arranged in the sealed cavity (2), a sealed shell (4) which can be communicated with the sealed cavity (2) is arranged in the installation cavity (3), and an air faucet (5) is further arranged on one side of the sealed cavity (2);

the blade fixing assembly is used for fixing the blades and is arranged at the front end of the mounting cavity (3) in a reciprocating manner;

and the transmission mechanism is arranged in the sealing shell (4), is connected with the motor (7), converts the rotary motion of the motor (7) into reciprocating motion, and extends out of the sealing shell (4) through the sealing element (6) to be connected with the blade fixing component.

2. A reciprocating saw adapted for underwater operation as defined in claim 1, wherein: still be equipped with the power supply unit that can provide the electric energy on casing (1), power supply unit is including setting up sealed cavity (2) lower extreme and sealed battery seal receptacle (21) that is linked together the lower extreme of battery seal receptacle (21) is equipped with base sealing member (22) and battery quick detach seat (23), it can let battery detachable male battery slot (24) to form between terminal surface under battery quick detach seat (23) and sealed cavity (2), base sealing member (22) set up in battery slot (24), and be equipped with electrically conductive copper post (25) on base sealing member (22), still be equipped with the controlling means who is connected and can control motor (7) work with electrically conductive copper post (25) electricity in battery seal receptacle (21).

3. A reciprocating saw adapted for underwater operation as defined in claim 2, wherein: controlling means is including installing circuit board (31) in battery seal receptacle (21) be equipped with motor speed governing switch (32) in sealed cavity (2), motor speed governing switch (32) respectively with motor (7), circuit board (31) electric connection sealed cavity (2) rear end activity is inserted and is equipped with regulation pull rod (33) the inner of adjusting pull rod (33) is equipped with rectangular frame (34), motor speed governing switch (32) set up in rectangular frame (34), and the adjustment button of motor speed governing switch (32) supports and leans on the inboard at rectangular frame (34).

4. A reciprocating saw adapted for underwater operation as defined in claim 3, wherein: the rear end of sealed cavity (2) is equipped with hollow bolt (41), the screw thread portion of hollow bolt (41) is connected with nut (42) in wearing sealed cavity (2) from casing (1) outward, be equipped with first sealing washer (43) between the bolt head of hollow bolt (41) and casing (1), it is equipped with second sealing washer (44) and activity and wears to establish in hollow bolt (41) to overlap on regulation pull rod (33).

5. A reciprocating saw adapted for underwater operation as defined in claim 1, wherein: be equipped with motor support (50) in installation cavity (3), motor support (50) one end extend to sealed cavity (2) in with motor (7) fixed connection, and be equipped with third sealing washer (53) between motor support (50) and installation cavity (3) inner wall, sealed casing (4) are including casing (51) and last casing (52) down, be equipped with fourth sealing washer (54) down between casing (51) and motor support (50), and fix both through the bolt.

6. A reciprocating saw adapted for underwater operation as defined in claim 5, wherein: the transmission mechanism comprises a first bearing (61) arranged on the lower shell (51), a rotating shaft (62) is rotatably mounted on the first bearing (61), a first bevel gear (63) is arranged on the rotating shaft (62), the upper end of the rotating shaft (62) extends to the upper shell (52) and is provided with an eccentric column (64), the eccentric column (64) is connected with the blade fixing component, a second bevel gear (65) is arranged on an output shaft of the motor (7), and the second bevel gear (65) extends into the lower shell (51) and is meshed with the first bevel gear (63).

7. A reciprocating saw adapted for underwater operation as defined in claim 6, wherein: the sealing element (6) is a mechanical sealing element which is sleeved on the rotating shaft (62) and one end with a spring abuts against the end face of the first bevel gear (63).

8. A reciprocating saw adapted for underwater operation as defined in claim 6, wherein: the blade fixing assembly is arranged on the lower shell (51) and comprises a fixing seat (81) on the front side of the lower shell, a linear bearing seat (82) is arranged on the fixing seat (81), a reciprocating rod (83) is arranged in the linear bearing seat (82) in a movable mode, a chuck (84) used for clamping a blade is arranged at the front end of the reciprocating rod (83), a sliding groove (85) is formed in the rear end of the reciprocating rod (83) in a left-right mode, a second bearing (86) is sleeved on an eccentric column (64), and the second bearing (86) is movably arranged in the sliding groove (85).

9. A reciprocating saw adapted for underwater operation as defined in claim 2, wherein: the battery sealing seat (21) comprises an upper seat shell (91) and a lower seat shell (92), a seventh sealing ring (94) is arranged at the joint between the upper seat shell (91) and the sealing cavity (2) and fixed with the upper seat shell and the lower seat shell through bolts, and an eighth sealing ring (93) is arranged between the upper seat shell (91) and the lower seat shell (92) and fixed with the upper seat shell and the lower seat shell through bolts.

10. A reciprocating saw adapted for underwater operation as defined in claim 1, wherein: the casing (1) comprises a sheath a (101), a sheath b (102), an aluminum casing a (103) and an aluminum casing b (104), the aluminum casing a (103) and the aluminum casing b (104) are fixedly combined through bolts to form a sealed cavity (2), a sealing colloid is arranged between the aluminum casing a (103) and the aluminum casing b (104), and the sheath a (101) and the sheath b (102) are fixedly combined through bolts to form an installation cavity (3).