CN216535426U

CN216535426U - Cooling grinding head for operation

Info

Publication number: CN216535426U
Application number: CN202123007236.2U
Authority: CN
Inventors: 柳长风; 张佳顺; 娄海平
Original assignee: Guizhou Zirui Technology Co ltd
Current assignee: Guizhou Zirui Technology Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-05-17
Anticipated expiration: 2031-12-02

Abstract

The utility model discloses a cooling grinding head for an operation, which comprises a grinding head (1), a support rod assembly and a cooling device, wherein a grinding handle (10) is arranged at one end of the grinding head (1), a shell (3) is sleeved on the support rod assembly, an impeller (4) is fixedly sleeved on the grinding handle (10), the impeller (4) is positioned at a corresponding position in the support rod assembly, the grinding handle (10) penetrates through the corresponding position of the support rod assembly and extends into the shell (3), a handle assembly is arranged on the shell (3), the shell (3) is fixedly sleeved with the corresponding position of the handle assembly, and the extending end of the grinding handle (10) is connected with the output end of a motor. The grinding head is driven to rotate by the grinding handle, and cooling water is driven to flow rapidly by centrifugal force generated by rotation of the impeller, so that the purposes of rapidly washing and cooling the grinding head are achieved, the mounting structure is simplified, the weight is reduced, the occupied space is reduced, the stability is high, and the safety is good.

Description

Cooling grinding head for operation

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a cooling grinding head for an operation.

Background

At present, in the orthopedic surgery in the surgical operation, the grinding head is commonly used for grinding the operation position of a bone, but the grinding head is easy to generate heat when rotating at a high speed, the grinding quality of the edge part can be directly influenced after the grinding head becomes hot, namely, the grinding amount is reduced, so that the grinding is not in place, or the operation time is prolonged, heat is transmitted along the grinding handle, if the temperature is higher, other damages to the operation position can be caused, and meanwhile, the service life of the grinding assembly is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a cooling grinding head for operation, which can accelerate the flow rate of cooling water.

The technical scheme of the utility model is as follows:

a cooling grinding head for operation comprises a grinding head, a supporting rod assembly and a cooling device, wherein a grinding handle is arranged at one end of the grinding head, a shell is sleeved on the supporting rod assembly, an impeller is fixedly arranged on the grinding handle in a sleeved mode and located at a corresponding position in the supporting rod assembly, the grinding handle penetrates through the corresponding position of the supporting rod assembly and extends into the shell, a handle assembly is arranged on the shell, the shell is fixedly sleeved with the corresponding position of the handle assembly, and the extending-in end of the grinding handle is connected with the output end of a motor; when the rapid washing and cooling device is used, cooling water sequentially flows through the handle assembly and the shell and enters the support rod assembly, the flow rate of the cooling water is improved through the rotation of the impeller, and the cooling water flows to the grinding head along the grinding handle, so that the purposes of rapidly washing and cooling the grinding head are met.

By adopting the structure, the grinding head penetrates through the outer pipe and extends into the shell to be connected with the output end of the motor, and the corresponding position of the support rod component is sleeved with the shell, so that the connection between the grinding head and the motor cannot be influenced by the outside; because there is special equipment to absorb the piece and the bloody water that polish and form during the operation, the cooling water is discharged after also being absorbed by equipment in the lump, can not cause the influence to the operation, and simple structure is compact, the simple operation.

In order to facilitate the rapid flow of cooling water and simplify the structure, preferably, the support rod assembly comprises an arc-shaped outer pipe sleeved on the shell, a first inner pipe is sleeved at one end in the outer pipe, a second inner pipe is fixedly sleeved at the other end, an impeller sleeved and fixed on the grinding handle is arranged between the first inner pipe and the second inner pipe, a front branch pipe is fixedly arranged in the first inner pipe, a notch is arranged at one side of the first inner pipe, a straight section is arranged at one side of the front branch pipe corresponding to the notch, and a first water outlet cavity is formed by the straight section and the inner side wall of the corresponding end of the first inner pipe; one side of second inner tube is equipped with the bar and leads to the groove, and it is equipped with the back branch pipe to lead to the inslot fixed cover at this bar, the lateral wall of back branch pipe, the inside wall of outer tube and the cell wall that the groove was led to the bar surround and form the second and go out the water cavity the back intraductal head rod that still overlaps, the one end of this back branch pipe stretches out the outer tube and is connected with the corresponding position of shell, grind the handle past backward wear to establish in proper order and cup joint on first inner tube, preceding branch pipe, impeller, back branch pipe and head rod to stretch into in the shell and be connected with the corresponding position of motor output.

In order to guide cooling water conveniently, as an optimization, a guide sleeve tightly hooped on the inner wall of the outer pipe is further arranged between the impeller and the rear branch pipe, one end of the guide sleeve is abutted to the end face of the corresponding end of the second inner pipe, a guide hole is formed in the other end of the guide sleeve, the grinding handle is sleeved backwards to penetrate through the impeller, penetrates through the guide hole and is sleeved on the rear branch pipe, and the outer side wall of the grinding handle and the hole wall of the guide hole form an annular third water outlet cavity.

In order to facilitate the output of cooling water, as preferred, the handle subassembly is including the handle of cover on the shell be equipped with the water injection through-hole on the handle be equipped with the connect the through-hole that the cover was established at the outer lateral wall of the tube on the shell correspond the position department of water injection through-hole and be equipped with the apopore, the apopore forms fourth play water cavity with connect the through-hole intercommunication, fourth play water cavity and second play water cavity intercommunication.

In order to facilitate installation and simplify the structure, preferably, a stepped hole communicated with the connecting through hole is formed in the shell, a second connecting rod connected with the output end of the motor is sleeved at the small hole end of the stepped hole, a transition sleeve is sleeved at the large hole end of the stepped hole, one end of the transition sleeve is fixedly sleeved with the outer wall of the rear branch pipe, a fixed bearing is sleeved at the other end of the transition sleeve, the second connecting rod penetrates through the fixed bearing, and the penetrating end of the second connecting rod is fixedly sleeved with the grinding handle.

Has the advantages that: the grinding head is driven to rotate by the grinding handle and the cooling water is driven to flow rapidly, so that the purposes of rapidly washing and cooling the grinding head are achieved, the mounting structure is simplified, the weight is reduced, the occupied space is reduced, and the grinding head is high in stability and good in safety.

Drawings

Fig. 1 is a schematic view of the mounting structure of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is an enlarged view of fig. 1 at B.

Fig. 4 is an enlarged view of fig. 1 at C.

Fig. 5 is an enlarged view of fig. 1 at D.

Figure 6 is an exploded view of the grater and support rod assembly.

Fig. 7 is a schematic structural view of the housing.

Fig. 8 is an exploded view of a transition piece mounting arrangement.

Fig. 9 is a schematic structural view of the support rod assembly and the housing.

Fig. 10 is an enlarged view taken at E in fig. 9.

Detailed Description

The utility model will be further explained with reference to the drawings.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9 and fig. 10, the present invention includes a grinding head 1, a supporting rod assembly and a cooling device, wherein a grinding handle 10 is disposed at one end of the grinding head 1, the supporting rod assembly includes an arc-shaped outer tube 2 sleeved on a housing 3, a first inner tube 21 is sleeved at one end inside the outer tube 2, a second inner tube 22 is fixedly sleeved at the other end, an impeller 4 sleeved and fixed on the grinding handle 10 is disposed between the first inner tube 21 and the second inner tube 22, a front branch tube 23 is fixedly disposed in the first inner tube 21, a notch is disposed at one side of the first inner tube 21, a flat section 231 is disposed at a side of the front branch tube 23 corresponding to the notch, and a first water outlet cavity 11 is formed by inner side walls of the flat section 231 corresponding to the first inner tube 21; one side of the second inner tube 22 is provided with a strip-shaped through groove, a rear branch tube 24 is fixedly sleeved in the strip-shaped through groove, the outer side wall of the rear branch tube 24, the inner side wall of the outer tube 2 and the groove wall of the strip-shaped through groove surround to form a second water outlet cavity 12, and a first connecting rod 25 is further sleeved in the rear branch tube 24.

Still be equipped with the uide bushing 41 of lock hoop on outer tube 2 inner wall between impeller 4 and the back branch pipe 24, the one end of uide bushing 41 and the terminal surface butt of the second inner tube 22 corresponding end, the other end are equipped with water conservancy diversion hole 42, grind handle 10 and cup joint backward and wear out to establish water conservancy diversion hole 42 and wear to establish and cup joint on back branch pipe 24 after impeller 4, grind the lateral wall of handle 10 and the pore wall of water conservancy diversion hole 42 and form annular third outlet chamber 13.

Handle components establishes handle 51 on shell 3 including the cover be equipped with water injection through hole 511 on the handle 51 be equipped with the cover on the shell 3 and establish the connect the through hole at 2 lateral walls of outer tube the position department that corresponds water injection through hole 511 on the shell 3 is equipped with apopore 512, apopore 512 and connect the through hole intercommunication and form fourth play water cavity 14, fourth play water cavity 14 and the second play water cavity 12 intercommunication.

Be equipped with the step hole with connect the through-hole intercommunication in the shell 3, the aperture pot head in step hole has connect the second connecting rod 54 of being connected with the output of motor, and the macropore pot head in this step hole is equipped with transition cover 31, the one end of transition cover 31 and the outer wall of back stay 24 cup joint fixedly, and another pot head is equipped with fixing bearing 32, fixing bearing 32 is worn out to establish by second connecting rod 54, grind handle 10 from the front backward and wear to establish in proper order and cup joint on first inner tube 21, preceding branch pipe 23, impeller 4, back stay 24 and head rod 25 to stretch into in the shell 3 and cup joint fixedly with the end of wearing out of second connecting rod 54.

When the rapid washing and cooling device is used, cooling water sequentially flows through the handle assembly and the shell 3 and enters the support rod assembly, the flow rate of the cooling water is increased through the rotation of the impeller 4, and the cooling water flows to the grinding head 1 along the grinding handle 10, so that the purpose of rapidly washing and cooling the grinding head 1 is met.

The using method of the utility model is as follows:

as shown in fig. 1 to 10, the grinding head 1 is inserted into the outer tube 2 and extends into the housing 3 to be connected with the output end of the motor (not shown), the grinding handle 10 is inserted into the front branch tube 22 and the rear branch tube 24 and extends into the housing 3 all the time, and is fixedly sleeved with the penetrating end of the second connecting rod 54, and the second connecting rod 54 is connected with the output end of the motor (not shown), therefore, the connection between the grinding head 1 and the motor is not affected by the outside, the arc-shaped outer tube 2 can avoid the visual interference, the operation position can be conveniently observed, and the sawing depth and the sawing width can be well controlled.

In addition, the grinding handle 10 rotates to drive the impeller 4 to rotate together, the water injection through hole 511 on the handle 51 injects cooling water, the cooling water flows into the fourth water outlet cavity 14 through the water outlet hole 512, then flows into the second water outlet cavity 12 formed by the outer side wall of the rear branch pipe 24 and the inner side wall of the outer pipe 2, when the cooling water flows to the position of the guide sleeve 41, the cooling water flows into the outer side wall of the grinding handle 10 and the hole wall of the guide hole 42 to form an annular third water outlet cavity 13, namely an annular gap position in the middle of the guide hole 42, the cooling water is just positioned in the middle of the impeller 4 after flowing out through the gap position, when the rotation of the impeller 4 is accelerated, the cooling water flows onto the impeller 4, and is quickly converged and discharged in quick rotation along with the action of centrifugal force formed by the rotation of the impeller 4 to quickly enter the first water outlet cavity 11, and finally, the cooling water quickly flows to the working part of the grinding head 1 through the gap between the grinding handle 10 and the first inner pipe 21, not only can the operation position be quickly washed, but also the temperature of the operation position can be quickly reduced; because there is special equipment to absorb the piece and the bloody water that polish and form during the operation, the cooling water is discharged after also being absorbed by equipment in the lump, can not cause the influence to the operation, and simple structure is compact, the simple operation.

The undescribed parts of the present invention are consistent with the prior art and will not be described in detail herein.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures made by using the contents of the present specification and the drawings can be directly or indirectly applied to other related technical fields, and are within the scope of the present invention.

Claims

1. A cooling grinding head for operation is characterized in that: the grinding head comprises a grinding head (1), a support rod assembly and a cooling device, wherein a grinding handle (10) is arranged at one end of the grinding head (1), a shell (3) is sleeved on the support rod assembly, an impeller (4) is fixedly arranged on the grinding handle (10), the impeller (4) is positioned at a corresponding position in the support rod assembly, the grinding handle (10) penetrates through the corresponding position of the support rod assembly and extends into the shell (3), a handle assembly is arranged on the shell (3), the shell (3) is fixedly sleeved with the corresponding position of the handle assembly, and the extending end of the grinding handle (10) is connected with the output end of a motor; during the use, the cooling water flows through handle components and shell (3) in proper order to in entering the support bar subassembly, the cooling water promotes the velocity of flow through the rotation of impeller (4), and flows to bistrique (1) along grinding handle (10), in order to satisfy the purpose that washes fast and cool off bistrique (1).

2. A surgical cooling burr of claim 1, wherein: the supporting rod assembly comprises an arc-shaped outer pipe (2) sleeved on the outer shell (3), a first inner pipe (21) is sleeved at one end in the outer pipe (2), a second inner pipe (22) is fixedly sleeved at the other end, an impeller (4) which is sleeved and fixed on the grinding handle (10) is arranged between the first inner pipe (21) and the second inner pipe (22), a front branch pipe (23) is fixedly arranged in the first inner pipe (21), a notch is arranged at one side of the first inner pipe (21), a straight section (231) is arranged at one side of the front branch pipe (23) corresponding to the notch, and a first water outlet cavity (11) is formed by the straight section (231) and the inner side wall of the corresponding end of the first inner pipe (21); one side of second inner tube (22) is equipped with the bar and leads to the groove, and fixed cover is equipped with back branch pipe (24) leading to the inslot at this bar, the lateral wall of back branch pipe (24), the inside wall of outer tube (2) and the cell wall that the bar leads to the groove surround and form second play water cavity (12) still the cover is equipped with head rod (25) in back branch pipe (24), and the one end of this back branch pipe (24) is stretched out outer tube (2) and is connected with the corresponding position of shell (3), grind handle (10) past after wear to establish in proper order and cup joint on first inner tube (21), preceding pipe (23), impeller (4), back pipe (24) and head rod (25) to stretch into in shell (3) and be connected with the corresponding position of motor output end.

3. A surgical cooling burr of claim 1, wherein: still be equipped with between impeller (4) and back branch pipe (24) and tightly hoop uide bushing (41) on outer tube (2) inner wall, the one end of uide bushing (41) and the terminal surface butt of second inner tube (22) correspondence end, the other end are equipped with water conservancy diversion hole (42), grind handle (10) and cup joint backward and wear to establish out impeller (4) back, wear to establish water conservancy diversion hole (42) again and wear to establish and cup joint on back branch pipe (24), the lateral wall of grinding handle (10) forms annular third outlet chamber (13) with the hole wall of water conservancy diversion hole (42).

4. A surgical cooling burr of claim 1, wherein: handle components establishes handle (51) on shell (3) including the cover be equipped with water injection through hole (511) on handle (51) be equipped with on shell (3) and establish the connect the through hole of outer tube (2) lateral wall the position department that corresponds water injection through hole (511) on shell (3) is equipped with apopore (512), apopore (512) and connect the through hole intercommunication and form fourth play water cavity (14), fourth play water cavity (14) and second play water cavity (12) intercommunication.

5. A surgical cooling burr of claim 1, wherein: be equipped with the step hole with the connect the through hole intercommunication in shell (3), the aperture pot head in step hole has connect second connecting rod (54) of being connected with the output of motor, and the macropore pot head in this step hole is equipped with transition cover (31), the one end of transition cover (31) is cup jointed fixedly with the outer wall of back stay (24), and another pot head is equipped with fixing bearing (32), fixing bearing (32) are worn to establish by second connecting rod (54), and the end of wearing out of this second connecting rod (54) cup joints fixedly with grinding handle (10).