CN218442912U

CN218442912U - Reciprocating swing saw

Info

Publication number: CN218442912U
Application number: CN202222434567.2U
Authority: CN
Inventors: 李辉华; 令狐飞飞; 孙孝孝
Original assignee: Guizhou Zirui Technology Co ltd
Current assignee: Guizhou Zirui Technology Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-02-03
Anticipated expiration: 2032-09-14

Abstract

The utility model discloses a reciprocating pendulum saw, which comprises an outer pipe, a saw blade arranged at one end of the outer pipe and a handle arranged at the other end of the outer pipe, wherein a connecting rod component inserted at one side of the handle is arranged on the outer pipe in a penetrating way, the corresponding position of the penetrating end of the connecting rod component is connected with the saw blade, a water outlet channel is formed between the inner wall of the outer pipe and the corresponding position of the connecting rod component, and a water inlet hole communicated with the water outlet channel is arranged on the handle; a transmission shaft connected with power equipment is arranged in the handle, the transmission shaft drives the saw blade connected with the connecting rod assembly to reciprocate, and cooling water flows to the saw blade through the cooling water channel and the water outlet channel. The utility model discloses set up the cooling water course in the handle to set up water channel in the outer tube, and be reciprocating motion by the transmission shaft drive saw sword and do the cutting use, the cooling water can not only be to saw sword and handle cooling, can also be to the connecting rod subassembly position heat dissipation cooling of establishing in the outer tube, can guarantee the cutting quality of operation, and it is convenient to use.

Description

Reciprocating swing saw

Technical Field

The utility model relates to the technical field of medical equipment, in particular to reciprocating pendulum saw.

Background

The existing water injection cooling structure of the grinding tool product for the operation is characterized in that water is injected into a cutter through a water outlet of a motor, the injected water flows along a water through hole in a cutter shell and then enters a water injection channel outside a cutter bar, only a holding part and a cutter head of the cutter can be cooled, but the heat generating positions of the cutter bar and the transmission friction inside a support bar cannot be cooled, the water injection channel is arranged externally, the appearance is influenced, the overflow and the flow direction of cooling water are not well controlled, and the cooling effect on the operation tool is general.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: provided is a reciprocating saw which is easy to cut and has improved cooling effect.

In order to solve the technical problem, the utility model discloses a technical scheme be: the reciprocating swing saw comprises an outer pipe, a saw blade arranged at one end of the outer pipe and a handle arranged at the other end of the outer pipe, wherein a connecting rod assembly penetrates through the outer pipe, one end of the connecting rod assembly is inserted into the handle, the other end of the connecting rod assembly is connected with the saw blade, a water outlet channel is formed between the inner wall of the outer pipe and the connecting rod assembly, a water inlet hole communicated with the water outlet channel is formed in the handle, and cooling water flows to the saw blade through a cooling water channel and the water outlet channel; the inside of the handle is provided with a transmission shaft connected with power equipment, and the transmission shaft drives the saw blade connected with the connecting rod assembly to do reciprocating swing.

By adopting the structure, cooling water is injected into the water inlet hole to dissipate heat and cool the handle, and enters the water outlet channel after entering the handle, because the water outlet channel is formed by surrounding the inner wall of the outer pipe and the corresponding position of the connecting rod component, the flowing cooling water directly contacts the corresponding positions of the outer pipe and the connecting rod component, namely the cooling water can quickly take away the heat of the rod part, and finally the cooling water flows out of the water outlet channel, flows to the corresponding position outside the connecting rod component along the inner wall of the outer pipe and flows to the saw blade along the trend, so as to achieve the purpose of dissipating heat and cooling the saw blade; in the process, the power equipment drives the transmission shaft to rotate, and the transmission shaft drives the saw blade to do reciprocating swing to form cutting action, so that the operation cutting is facilitated, the structure is simple and compact, and the operation is convenient.

In order to facilitate installation and simplify the structure, as preferred one end cover of outer tube is equipped with first connecting sleeve, the one end and the handle of first connecting sleeve cup joint around being equipped with the intake chamber on the outer wall of handle, overlap in the outside of this handle and be equipped with and press the cover, press the inside wall and the intake chamber of cover to surround and form the cooling water course the one end of intake chamber is equipped with the breach, and the other end is equipped with the guide way the position department that corresponds the breach on the first connecting sleeve is equipped with the through-hole with cooling water course intercommunication, the guide way surrounds with the inside wall of pressing the cover and forms the inlet opening.

For the convenience of installation, as the preferred, be equipped with the round constant head tank on the outer wall of first connecting sleeve, the position department that the one end of pressing the cover corresponds the constant head tank is equipped with the round boss, and this boss buckle is in the constant head tank.

In order to improve the water outlet efficiency and simplify the structure, preferably, a first stepped hole communicated with the through hole is arranged on the first connecting sleeve, the large hole end of the first stepped hole is fixedly sleeved with the outer pipe, a fixing hole is arranged at the hole bottom of the small hole end of the first stepped hole, the connecting rod assembly comprises a connecting pipe sleeved with the small hole end of the first stepped hole, a plane is arranged on one side of the outer wall of the connecting pipe, and the plane and the inner wall of the outer pipe surround to form a water containing cavity communicated with the through hole; the non-sleeved end of the connecting pipe is provided with a stage, the outer wall of the stage and the inner wall of the outer pipe surround to form a water passing cavity communicated with the water containing cavity, and the water containing cavity is communicated with the water passing cavity to form a water outlet channel.

In order to facilitate installation and ensure smooth water outlet of cooling water, the connecting rod assembly preferably further comprises a transmission rod sleeved in the connecting pipe in a penetrating manner and a connecting cylinder sleeved on the outer pipe, a supporting pipe is sleeved at a position, corresponding to the non-insertion end of the connecting pipe, on the transmission rod, the supporting pipe is fixedly arranged in the connecting pipe, a fixing sleeve is embedded at each of two ends of the connecting pipe, two ends of the transmission rod are respectively sleeved on the fixing sleeves at the corresponding ends in a penetrating manner, the penetrating end at one end of the transmission rod extends into the fixing hole and is fixedly sleeved with the transmission shaft, a limiting boss abutted against the outer side wall of the corresponding end fixing sleeve is arranged at the penetrating end at the other end of the transmission rod, an eccentric rod horizontally extending out is arranged on the outer side of the limiting boss, a second connecting sleeve is sleeved on the eccentric rod, and the second connecting sleeve is movably connected with a saw blade.

In order to simplify the transmission structure and facilitate installation, preferably, a placing hole is arranged in the connecting cylinder, a yielding groove communicated with the placing hole is arranged on one side of the connecting cylinder, a connecting hole is arranged on the groove wall of the yielding groove, a yielding hole is arranged on the saw blade at a position corresponding to the connecting hole, and a placing groove is arranged on one side of the saw blade; during the installation, the standing groove stretches into and places downthehole, inserts the locating pin in connecting hole department, and the locating pin is worn to produce the hole of stepping down with spacing saw sword, and simultaneously, in the second adapter sleeve stretched into the standing groove, the lateral wall of second adapter sleeve and the cell wall laminating of standing groove.

Has the advantages that: the utility model discloses set up the cooling water course in the handle to set up water channel in the outer tube, and be reciprocating motion by the transmission shaft drive saw sword and do the cutting and use, the cooling water can not only be to saw sword and handle cooling, can also be to establishing the connecting rod assembly position heat dissipation cooling in the outer tube, can guarantee the cutting quality of operation, and it is convenient to use.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is an installation exploded view of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is an enlarged view of fig. 2 at B.

Fig. 5 is a schematic structural view of the handle.

Fig. 6 is a schematic structural view of the first connecting sleeve.

Fig. 7 is a schematic structural view of the connection pipe.

Fig. 8 is a schematic structural view of the transmission rod and the eccentric rod.

Fig. 9 is a schematic view of the connector barrel.

Fig. 10 is a schematic structural view of the saw blade.

The meaning of the reference symbols in the drawings is:

a handle-1; a through hole-101; a water inlet tank-11; notch-111; a guide groove-112;

an outer tube-2; a connecting pipe-21; a water containing cavity-211; stage-22; a water passing cavity-221; a transmission rod-23; a securing sleeve-231; a limiting boss-232; a connecting cylinder-24; a yielding groove-241; an eccentric rod-25; a second connecting sleeve-251;

a first coupling sleeve-30; a positioning groove-31; a first stepped bore-32; a fixing hole-321; a first water containing cavity-31; a second water containing cavity-32; a drain hole-33;

a saw blade 4; a abdication hole-41; a groove-42 is placed.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 to 10, the utility model comprises an outer tube 2, a saw blade 4 arranged at one end of the outer tube 2 and a handle 1 arranged at the other end of the outer tube 2.

A first connecting sleeve 30 is sleeved at one end of the outer pipe 2, one end of the first connecting sleeve 30 is sleeved with a handle 5, a water inlet groove 11 is wound on the outer wall of the handle 1, a pressing sleeve 6 is arranged on the outer side of the handle 1, the inner side wall of the pressing sleeve 6 and the water inlet groove 11 are enclosed to form a cooling water channel, one end of the water inlet groove 11 is provided with a notch 111, the other end of the water inlet groove 11 is provided with a guide groove 112, a through hole 101 communicated with the cooling water channel is arranged at a position, corresponding to the notch 111, on the first connecting sleeve 30, and the guide groove 112 and the inner side wall of the pressing sleeve 6 are enclosed to form a water inlet hole (not marked); a circle of positioning grooves 31 are formed in the outer wall of the first connecting sleeve 30, and a circle of bosses are arranged at the positions, corresponding to the positioning grooves 31, of one end of the pressing sleeve 6 and are buckled in the positioning grooves 31.

A first stepped hole 32 communicated with the through hole 101 is formed in the first connecting sleeve 30, the large hole end of the first stepped hole 32 is fixedly sleeved with the outer pipe 2, a fixing hole 321 is formed in the hole bottom of the small hole end of the first stepped hole 32, the connecting rod assembly comprises a connecting pipe 21 in sleeve connection with the small hole end of the first stepped hole 32, a plane is arranged on one side of the outer wall of the connecting pipe 21, and the plane and the inner wall of the outer pipe 2 surround to form a water containing cavity 211 communicated with the through hole 101; the non-sleeved end of the connecting pipe 21 is provided with a step section 22, the outer wall of the step section 22 and the inner wall of the outer pipe 2 surround to form a water passing cavity 221 communicated with the water containing cavity 211, and the water containing cavity 211 is communicated with the water passing cavity 221 to form a water outlet channel.

The connecting rod assembly further comprises a transmission rod 23 sleeved in the connecting pipe 21 in a penetrating manner and a connecting cylinder 24 sleeved on the outer pipe 2, a supporting pipe 233 is sleeved at a position, corresponding to the non-inserting end of the connecting pipe 21, on the transmission rod 23, the supporting pipe 233 is fixedly arranged in the connecting pipe 21, a fixing sleeve 231 is respectively embedded at two ends of the connecting pipe 21, two ends of the transmission rod 23 are respectively sleeved on the fixing sleeves 231 corresponding to the ends in a penetrating manner, the penetrating end of one end of the transmission rod 23 extends into the fixing hole 321 and is fixedly sleeved with the transmission shaft 5, a limiting boss 232 abutted against the outer side wall of the fixing sleeve 231 corresponding to the end is arranged at the penetrating end of the other end of the transmission rod 23, an eccentric rod 25 horizontally extending is arranged on the outer side of the limiting boss 232, and a second connecting sleeve 251 is sleeved on the eccentric rod 25.

A placing hole is formed in the connecting cylinder 24, a yielding groove 241 communicated with the placing hole is formed in one side of the connecting cylinder 24, a connecting hole is formed in the wall of the yielding groove 241, a yielding hole 41 is formed in the position, corresponding to the connecting hole, of the saw blade 4, and a placing groove 42 is formed in one side of the saw blade 4; during the installation, standing groove 42 stretches into and places downtheholely, inserts the locating pin in connecting hole department, and the locating pin is worn to produce the hole of stepping down 41 with spacing saw sword 4, and simultaneously, in second adapter sleeve 251 stretched into standing groove 42, the lateral wall of second adapter sleeve 251 and the cell wall laminating of standing groove 41.

A transmission shaft 5 connected with power equipment is arranged in the handle 1, the transmission shaft 5 drives the saw blade 4 connected with the connecting rod component to do reciprocating swing, and cooling water flows to the blade of the saw blade 4 through the water inlet and the water outlet channel.

The utility model discloses a use method as follows:

as shown in fig. 1 to 7, cooling water is input from the water inlet, and the cooling water flows into the water containing cavity 211 and the water passing cavity 221 from the notch 111 and the through hole 101 sequentially through the cooling water channel at the position of the water inlet 11, flows out of the wall of the abdicating groove 241 through the wall of the placing hole in the connecting cylinder 24, and flows towards the direction of the saw blade 4 at the position where the positioning pin penetrates through the saw blade 4, and in the process, the cooling water cools the handle 1, the first connecting sleeve 30, the connecting pipe 21 and the saw blade 4 together; as shown in fig. 3, the flowing cooling water also contacts the fixing sleeve 231 and the position-limiting boss 232, i.e. the fixing sleeve 231 and the transmission rod 23 can be provided, and the eccentric rotation of the fixing sleeve 231 in the placement groove 42 is just the position where the transmission heat is concentrated, and the position is directly contacted by the cooling water to reduce the temperature, thereby shortening the period of heat dissipation and greatly improving the cooling effect.

As shown in fig. 2, fig. 3 and fig. 8 to fig. 10, the power device drives the transmission shaft 5 to rotate, the transmission shaft 5 drives the transmission rod 23 to rotate synchronously, and the fixing sleeve 231 is sleeved on the eccentric rod 25, so that the fixing sleeve 231 rotates eccentrically in the placing groove 42, and due to the installation structure shown in fig. 2, the saw blade 4 reciprocates in the vertical direction, and the reciprocating movement is even if the sawtooth part of the saw blade 4 forms a cutting action, which is beneficial for surgical cutting.

Claims

1. A reciprocating pendulum saw is characterized in that: the water-cooling saw comprises an outer pipe (2), a saw blade (4) arranged at one end of the outer pipe (2) and a handle (1) arranged at the other end of the outer pipe (2), wherein a connecting rod assembly penetrates through the outer pipe (2), one end of the connecting rod assembly is inserted into the handle (1), the other end of the connecting rod assembly is connected with the saw blade (4), a water outlet channel is formed between the inner wall of the outer pipe (2) and the connecting rod assembly, a water inlet hole communicated with the water outlet channel is formed in the handle (1), and cooling water flows to the saw blade (4) through the cooling water channel and the water outlet channel; a transmission shaft (5) connected with power equipment is arranged in the handle (1), and the transmission shaft (5) drives the saw blade connected with the connecting rod component to do reciprocating swing.

2. A reciprocating pendulum saw as set forth in claim 1 wherein: one pot head of outer tube (2) is equipped with first connecting sleeve (30), the one end and the handle (1) of first connecting sleeve (30) cup joint around being equipped with intake chamber (11) on the outer wall of handle (1), overlap in the outside of this handle (1) and be equipped with and press cover (6), the inside wall and the intake chamber (11) of pressing cover (6) surround and form the cooling water course the one end of intake chamber (11) is equipped with breach (111), and the other end is equipped with guide way (112) the position department that corresponds breach (111) on first connecting sleeve (30) is equipped with through-hole (101) that communicate with the cooling water course, guide way (112) surround with the inside wall of pressing cover (6) and form the inlet opening.

3. A reciprocating pendulum saw as set forth in claim 2 wherein: the outer wall of the first connecting sleeve (30) is provided with a circle of positioning grooves (31), one end of the pressing sleeve (6) is provided with a circle of bosses corresponding to the positioning grooves (31), and the bosses are buckled in the positioning grooves (31).

4. A reciprocating pendulum saw as set forth in claim 2 wherein: a first step hole (32) communicated with the through hole (101) is formed in the first connecting sleeve (30), the large hole end of the first step hole (32) is fixedly sleeved with the outer pipe (2), a fixing hole (321) is formed in the hole bottom of the small hole end of the first step hole (32), the connecting rod assembly comprises a connecting pipe (21) sleeved with the small hole end of the first step hole (32), a plane is arranged on one side of the outer wall of the connecting pipe (21), and the plane and the inner wall of the outer pipe (2) surround to form a water containing cavity (211) communicated with the through hole (101); the non-sleeved end of the connecting pipe (21) is provided with a stage (22), the outer wall of the stage (22) and the inner wall of the outer pipe (2) surround to form a water passing cavity (221) communicated with the water containing cavity (211), and the water containing cavity (211) is communicated with the water passing cavity (221) to form a water outlet channel.

5. A reciprocating pendulum saw as set forth in claim 4 wherein: the connecting rod assembly further comprises a transmission rod (23) sleeved in the connecting pipe (21) in a penetrating mode and a connecting cylinder (24) sleeved on the outer pipe (2), a supporting pipe (233) is sleeved on the position, corresponding to the non-inserting end of the connecting pipe (21), of the transmission rod (23), and the supporting pipe (233) is fixedly arranged in the connecting pipe (21); the two ends of the connecting pipe (21) are respectively embedded with a fixing sleeve (231), the two ends of the transmission rod (23) are respectively penetrated and sleeved on the fixing sleeve (231) at the corresponding end, the penetrating end of one end of the transmission rod (23) extends into the fixing hole (321) and is fixedly sleeved with the transmission shaft (5), the penetrating end of the other end of the transmission rod (23) is provided with a limiting boss (232) abutted to the outer side wall of the fixing sleeve (231) at the corresponding end, the outer side of the limiting boss (232) is provided with an eccentric rod (25) horizontally extending out, a second connecting sleeve (251) is sleeved on the eccentric rod (25), and the second connecting sleeve (251) is movably connected with the saw blade (4).

6. A reciprocating pendulum saw as set forth in claim 5 wherein: a placing hole is formed in the connecting cylinder (24), a yielding groove (241) communicated with the placing hole is formed in one side of the connecting cylinder (24), a connecting hole is formed in the groove wall of the yielding groove (241), a yielding hole (41) is formed in the position, corresponding to the connecting hole, of the saw blade (4), and a placing groove (42) is formed in one side of the saw blade (4); during the installation, standing groove (42) stretch into and place downtheholely, insert the locating pin in connecting hole department, the locating pin wears to produce the hole of stepping down (41) with spacing saw sword (4), and simultaneously, in second adapter sleeve (251) stretched into standing groove (42), the lateral wall of second adapter sleeve (251) and the cell wall laminating of standing groove (42).