CN221578058U - Fixing device and surgical robot - Google Patents

Abstract

The utility model belongs to the technical field of medical robots, and discloses a fixing device and a surgical robot. The problem of two circuit boards of current surgical robot connect operation perpendicularly complicated and unstable is solved. A fixing device for fixing a vertically connected first circuit board and second circuit board, comprising: the device comprises a connecting piece, a first copper column, a second copper column, a first fixing piece and a second fixing piece; the first copper column is configured between the first connecting part and the first circuit board; the second copper pillar is arranged between the second connecting part and the second circuit board. Firstly, connecting a connecting piece, a first copper column and a first circuit board into a whole through a first fixing piece, then vertically inserting the first circuit board on a second circuit board, at this time, the second copper column can be just fixed on the upper side of the second circuit board, and the second fixing piece is locked and fixed, so that the purpose of simply, conveniently, quickly and stably fixing the vertically arranged circuit board is achieved.

Description

Fixing device and surgical robot

Technical Field

The utility model relates to the technical field of medical robots, in particular to a fixing device and a surgical robot.

Background

With the development of surgical robots, the surgical operation sensitivity of the surgical robots is required to be increased gradually, and thus, the stability of the control device of the surgical robots is also required to be higher.

The stability of the control device of the surgical robot mainly comprises structural stability, control signal transmission stability and the like; as for structural stability, the stability of the connection structure of each component device comprising the control device is worth mentioning, and the structural stability also affects the stability of the transmission of the control signal; specifically, the positional relationship of the constituent elements of the control device changes, which may cause a change such as loosening of the interconnection relationship, and directly cause a problem of failure in transmission of the control signal of the control device.

The control device in the existing design mainly comprises a circuit board, when the problem that the double-layer circuit board is overlapped to occupy a large space exists, the double-layer circuit board is vertically arranged, the problem that a plurality of circuit boards occupy a large space in a certain direction is relatively reduced, and the problem that the stability of the connection relation between the vertically arranged circuit boards is poor exists. This design adopts fixing device, carries out stable connection to two circuit boards that set up perpendicularly, and can not cause damage such as wearing and tearing to the circuit board because of fixed relation.

Disclosure of utility model

The utility model aims to provide a fixing device and a surgical robot, which are used for solving the problems of complex and unstable vertical connection operation of a circuit board of the conventional surgical robot.

To achieve the purpose, the utility model adopts the following technical scheme: a fixing device is used for fixing a first circuit board and a second circuit board which are vertically connected and comprises a connecting piece, a first copper column, a second copper column, a first fixing piece and a second fixing piece; the connecting piece comprises a first connecting part and a second connecting part; the first copper pillar is arranged between the first connecting part and the first circuit board; the second copper pillar is arranged between the second connecting part and a second circuit board; the first fixing piece can lock and fix the first connecting part, the first copper column and the first circuit board; the second fixing piece can lock and fix the second connecting part, the second copper column and the second circuit board.

Preferably, the first circuit board is provided with a first plug-in portion, and the second circuit board is provided with a second plug-in portion;

the first plug-in connection part is in fit plug-in connection with the second plug-in connection part.

Preferably, the connecting material is integrally formed with the first copper pillar and the second copper pillar;

or the connecting piece and the first copper column are integrally formed.

Preferably, the first connection part includes a first connection plate, and the second connection part includes a second connection plate;

One end face of the first connecting plate is attached to one end face of the first copper column, and one end face of the second connecting plate is attached to one end face of the second copper column.

Preferably, the first copper pillar is provided with a first via hole, and the second copper pillar is provided with a second via hole;

The first fixing piece can pass through the first connecting part, the first through hole and the first circuit board to be locked and fixed; the second fixing piece can pass through the second connecting part, the second through hole and the second circuit board to be locked and fixed.

Preferably, the first fixing member and/or the second fixing member include a bolt and a nut.

Preferably, the first copper pillar includes a stepped pillar, and the stepped pillar may pass through the first circuit board and be fastened to one side of the first circuit board.

Preferably, the connector is provided with a reinforcing portion for reinforcing the connector.

Preferably, the first plug-in portion is connected to an end edge of the first circuit board through a terminal;

the second plug-in part is connected to the upper end surface of the second circuit board through a terminal.

The utility model also provides a surgical robot comprising the fixing device.

The utility model has the beneficial effects that:

According to the fixing device and the surgical robot, the connecting piece, the first copper column and the first circuit board are connected into a whole through the first fixing piece, the first circuit board is spliced to the second circuit board, and finally the first circuit board is fixedly locked through the second fixing piece, so that the vertically arranged circuit boards are quickly and simply connected into a whole, and the first circuit board and the second circuit board are stably fixed; it is worth mentioning that the first copper column, the second copper column, the connecting piece, the first fixing piece and the second fixing piece are all common standard pieces, and the circuit board which is vertically arranged can be stably fixed through the common standard pieces, so that the production cost is reduced, and the production efficiency is improved; in addition, compared with the method that the vertically arranged circuit boards are connected only through the connecting piece, the vertically arranged circuit boards are connected through the first copper column, the second copper column and the connecting piece, and the problem that the circuit boards are damaged and the like when the first fixing piece and the second fixing piece lock and fasten the vertically arranged circuit boards is avoided; most importantly, firstly the connecting piece, the first copper column and the first circuit board are fixed into a whole, then the first circuit board is fixed to the second circuit board in a plugging manner, the second copper column can be just fixed on the upper side of the second circuit board, and finally the second fixing piece is used for locking and fixing, so that the purpose of simply and quickly vertically connecting a plurality of circuit boards is achieved.

Drawings

FIG. 1 is a front view of a fixture provided by the present utility model;

FIG. 2 is a schematic structural view of a fixing device according to the present utility model;

Fig. 3 is a schematic structural diagram of a first circuit board provided by the present utility model;

Fig. 4 is a schematic structural diagram of a second circuit board provided by the present utility model;

FIG. 5 is a schematic diagram of the connection structure between the first copper pillar and the second copper pillar and the connecting piece;

FIG. 6 is a schematic view of a connector according to the present utility model;

fig. 7 is a schematic structural diagram of a first copper pillar provided by the present utility model;

FIG. 8 is a schematic view of a second copper pillar according to the present utility model;

FIG. 9 is a schematic view of a connection structure between a first copper pillar and a connecting member according to the present utility model;

FIG. 10 is a schematic structural view of a reinforcement in one embodiment provided by the present utility model;

FIG. 11 is a schematic structural view of a reinforcement portion in another embodiment provided by the present utility model;

Fig. 12 is a schematic structural view of the surgical robot provided by the present utility model.

In the figure: 11. a first circuit board; 111. a first plug-in connection; 12. a second circuit board; 121. a second plug-in connection; 13. a connecting piece; 131. a first connection portion; 132. a second connecting portion; 14. a first copper pillar; 141. a first through hole; 15. a second copper pillar; 151. a second through hole; 16. a first fixing member; 17. a second fixing member; 18. a reinforcing part.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Referring to fig. 1 to 2, the fixing device provided by the present utility model is used for fixing a first circuit board 11 and a second circuit board 12 which are vertically connected, and further includes a connecting member 13, a first copper pillar 14, a second copper pillar 15, a first fixing member 16 and a second fixing member 17; the connecting member 13 includes a first connecting portion 131 and a second connecting portion 132; the first copper pillar 14 is arranged between the first connection portion 131 and the first circuit board 11; the second copper pillar 15 is disposed between the second connection portion 132 and the second circuit board 12; the first fixing piece 16 can lock and fix the first connection part 131, the first circuit board 11 and the first copper pillar 14; the second fixing member 17 can lock and fix the second connection portion 132, the second circuit board 12, and the second copper pillar 15.

Specifically, the first fixing piece 16 is used for connecting the connecting piece, the first copper column 14 and the first circuit board 11 into a whole, then the first circuit board 11 is inserted into the second circuit board 12, the connecting piece can be just positioned on the upper side of the second copper column 15, and finally the connecting piece is fixedly locked through the second fixing piece 17, so that the circuit boards which are vertically arranged are quickly and simply connected into a whole, and the first circuit board 11 and the second circuit board 12 are stably fixed.

It should be noted that the first copper pillar 14, the second copper pillar 15, the connecting piece 13, the first fixing piece 16 and the second fixing piece 17 are all preferably common standard components, that is, the circuit board which is vertically arranged can be stably fixed through the common standard components, the production cost is reduced, and the production efficiency is improved.

As will be appreciated by those skilled in the art, the first copper pillar 14 and the second copper pillar 15 are conventional copper cylinders having threaded holes; the first fixing member 16 and the second fixing member 17 are conventional screws and nuts; the problem that the first circuit board 11 and the second circuit board 12 cannot be provided with the threaded parts and cannot be fixed through screws and nuts is solved through the first copper columns 14 and the second copper columns 15, and the first circuit board 11 and the second circuit board 12 can be firmly fixed through a plurality of common standard components. The size of the threaded hole of the first copper pillar 14, the size of the connecting hole of the first circuit board 11 and the size of the connecting hole of the first connecting part 131 are consistent, so that the first fixing piece 16 can penetrate through the first connecting part 131, the first copper pillar 14 and the first circuit board 11 to fix the first fixing piece; the size of the threaded hole of the second copper pillar 15, the size of the connecting hole of the second circuit board 12 and the size of the connecting hole of the second connecting portion 132 are consistent, so that the second fixing piece 17 can penetrate through the second connecting portion 132, the second copper pillar 15 and the second circuit board 12 to fix the second fixing piece.

As can be appreciated by those skilled in the art, the first connection portion 131 and the second connection portion 132 of the connection member 13 are also vertically disposed, that is, the first connection portion 131 corresponds to the connection position of the first circuit board 11, and the second connection portion 132 corresponds to the connection position of the second circuit board 12.

Most importantly, during installation, the connecting piece 13, the first copper post 14 and the first circuit board 11 are firstly fixed into a whole through the first fixing piece 16; then the first circuit board 11 is inserted and fixed to the second circuit board 12; at this time, the second copper pillar 15 can be just fixed on the upper side of the second circuit board 12, and finally locked and fixed by the second fixing piece 17, so as to achieve the purpose of simply and quickly vertically connecting a plurality of circuit boards.

It should be noted that, for the circuit board connection that only will set up perpendicularly through connecting piece 13, connect the circuit board that sets up perpendicularly through first copper post 14, second copper post 15 and connecting piece 13, avoid first mounting 16 and second mounting 17 to lock the problem that the fastening caused influence such as damage to the circuit board that sets up perpendicularly.

As shown in fig. 3 to 4, the first circuit board 11 is exemplarily provided with a first plug-in portion 111, and the second circuit board 12 is provided with a second plug-in portion 121; the first plugging portion 111 is plugged with the second plugging portion 121 in an adapting manner.

Specifically, through the first plug-in connection 111 configured on the first circuit board 11 and the second plug-in connection 121 configured on the second circuit board 12, the first circuit board 11 and the second circuit board 12 can be quickly and primarily positioned and connected, the connection operation is simple and convenient, and the installation or disassembly efficiency is improved.

The first plugging portion 111 may be a pin, and the second plugging portion 121 may be a socket, and the first circuit board 11 and the second circuit board 12 are plugged by corresponding the pin to the socket. It should be noted that the number of the pins may be plural, and the number of the jacks corresponds to plural.

It should be noted that, when the first plugging portion 111 of the first circuit board 11 is plugged into the second plugging portion 121 of the second circuit board 12, the connecting piece 13, the first copper pillar 14 and the first circuit board 11 are preferably fixed together by the first fixing member 16, that is, after the first plugging portion 111 and the second plugging portion 121 are plugged in place, only the second fixing member 17 is needed to fix and lock the second copper pillar 15 and the second circuit board 12, so that the disassembly and assembly operations are more convenient.

In one embodiment, as shown in fig. 5, the connector 13, the first copper pillar 14 and the second copper pillar 15 are integrally formed.

Specifically, through forming connecting piece 13 and first copper post 14 and second copper post 15 an organic whole, when using first mounting 16 to fix or dismantle, the operation is more simple convenient, is favorable to improving installation and dismantlement efficiency. Most importantly, the whole is firstly connected with the first circuit board 11, then the whole is fixedly locked through the first fixing piece 16, when the first circuit board 11 is spliced to the second circuit board 12, the second copper column 15 can be just fixed on the upper side of the second circuit board 12, and finally the whole is fixedly locked through the second fixing piece 17, so that the first circuit board and the second circuit board which are vertically arranged are more conveniently and simply firmly fixed.

The first copper column 14, the connecting piece 13, and the second copper column 15 are integrally formed, for example, the first copper column 14, the connecting piece 13, and the second copper column 15 are welded or riveted, so that the first copper column 14, the connecting piece 13, and the second copper column 15 are integrally structured when being mounted or dismounted, and the complex operation problem is avoided.

As shown in fig. 6, exemplarily, the first connection part 131 includes a first connection plate, and the second connection part 132 includes a second connection plate; one end face of the first connecting plate is attached to one end face of the first copper pillar 14, and one end face of the second connecting plate is attached to one end face of the second copper pillar 15.

Specifically, by attaching one end face of the first connecting plate to one end face of the first copper pillar 14, the contact area between the connecting piece 13 and the first copper pillar 14 is increased, and the stability of connection between the connecting piece 13 and the first copper pillar 14 is ensured; through laminating an terminal surface of second connecting plate with an terminal surface of second copper post 15, increase the area of contact between connecting piece 13 and the second copper post 15, guarantee the stability of being connected between connecting piece 13 and the second copper post 15.

As will be appreciated by those skilled in the art, the first connection board and the second connection board are in a vertically disposed relationship, the first connection board is disposed toward the first circuit board 11, and the second connection board is disposed toward the second circuit board 12, so that the first circuit board 11 and the second circuit board 12 can be better fixed.

As shown in fig. 7 to 8, exemplarily, the first copper pillar 14 is configured with a first via 141 and the second copper pillar 15 is configured with a second via 151; the first fixing piece 16 can pass through the first connecting part 131, the first through hole 141 and the first circuit board 11 to be locked and fixed; the second fixing member 17 can pass through the second connection portion 132, the second through hole 151, and the second circuit board 12 to be locked and fixed.

Specifically, the first fixing piece 16 can pass through the first connecting part 131, the first through hole 141 and the first circuit board 11 to be locked and fixed, so that the first fixing piece 16 can be more stable in the fixing process, and the fixing effect is improved; the second fixing piece 17 can penetrate through the second connecting portion 132, the second through hole 151 and the second circuit board 12 to be locked and fixed, so that the second fixing piece 17 can be ensured to be more stable in the fixing process, and the fixing effect is improved.

As shown in fig. 2, the first fixing member 16 and/or the second fixing member 17 illustratively include bolts and nuts.

Specifically, the first fixing member 16 and the second fixing member 17 each include a bolt and a nut, by passing the shaft of one bolt through the first connection portion 131, the first copper pillar 14, and the first circuit board 11, respectively, and locking at the end of the bolt by the nut; the rod of the other bolt penetrates through the second connecting part 132, the second copper column 15 and the second circuit board 12 respectively, the end part of the bolt is locked through the nut, and the first circuit board 11 and the second circuit board 12 which are vertically arranged are fast fixed and locked or disassembled through the connecting piece 13, the first copper column 14, the second copper column 15, the first fixing piece 16 and the second fixing piece 17, so that the installation and the disassembly operations are more convenient. Preferably, the nut selects an inner nut, so that interference of the nut ejection part on the installation of the whole surgical robot is avoided, and the usability is improved.

As shown in fig. 7, the first copper pillar 14 illustratively includes a stepped pillar that is capable of passing through the first circuit board and being snapped to one side of the first circuit board.

Specifically, by designing the first copper pillar 14 as a stepped pillar, the stepped pillar can pass through the first circuit board 11 and be clamped at one side of the first circuit board 11, so as to limit the positions among the connecting piece 13, the first copper pillar 14 and the first circuit board 11, thereby ensuring that the first fixing piece 16 is fixed in place, and the fastening effect is better.

In another embodiment, as shown in fig. 9, the first connection portion 131 is integrally formed with the first copper pillar 14.

Specifically, through with connecting piece 13 and first copper post 14 integrated into one piece, when using fixing device to fix or dismantle, the operation is more simple convenient, is favorable to improving installation and dismantlement efficiency.

The first copper pillar 14 and the first connection portion 131 are integrally formed, for example, the first copper pillar 14 and the first connection portion 131 are welded or riveted, so that the first copper pillar 14 and the connection member 13 are integrally structured when being mounted or dismounted, and the problem of complex operation when the connection member 13, the first copper pillar 14 and the first circuit board 11 are fixedly mounted on the side surface is avoided.

As shown in fig. 10, the connecting member 13 is exemplarily provided with a reinforcing portion 18, and the reinforcing portion 18 is used to increase the strength of the connecting member 13.

Specifically, by providing the reinforcing portion 18 on the connecting member 13, the strength of the connecting member 13 is increased, and abrasion such as deformation of the connecting member 13 caused when the first fixing member 16 and the second fixing member 17 are strongly restrained is avoided.

In one embodiment, the reinforcing portion 18 may include a plurality of reinforcing strips, that is, a plurality of reinforcing strips are connected between the vertical connection plates in an inclined manner, one end of each reinforcing strip is connected to the first connection plate, the other end of each reinforcing strip is connected to the second connection plate, and the plurality of reinforcing strips are uniformly distributed at intervals.

In another embodiment, as shown in fig. 11, the reinforcement portion 18 may include reinforcement blocks, that is, the reinforcement blocks are connected obliquely between the vertical connection plates, front and rear sides of the reinforcement blocks extend through the width of the connection member 13, and upper and lower ends of the reinforcement blocks are connected to the first connection plate and the second connection plate, respectively.

Further, the first plug portion 111 is connected to an end edge of the first circuit board 11 through a terminal; the second plugging portion 121 is connected to an upper end surface of the second circuit board 12 through a terminal.

Specifically, the first plugging portion 111 is connected to the edge of the lower end portion of the first circuit board 11 through the terminal, and the second plugging portion 121 is connected to the upper end face of the second circuit board 12 through the terminal, so that the first circuit boards 11 of the plurality of sub boards can be plugged into the upper end face of the second circuit board 12, and various use requirements are met.

The first plugging portion 111 may be welded to the edge of the lower end portion of the first circuit board 11 through a terminal, and the terminal is disposed in a vertical direction, so that the first plugging portion 111 may face downward, the second plugging portion 121 may also be welded to the upper end surface of the second circuit board 12 through the terminal, and at this time, the first plugging portion 111 may be plugged into the second plugging portion 121 forward, so that the connection operation is simple and convenient.

As shown in fig. 12, the present utility model further provides a surgical robot including the above-mentioned fixing device.

Specifically, the circuit board of the controller of the surgical robot includes a first circuit board 11 and a second circuit board 12, wherein the first circuit board 11 is a daughter board, and the second circuit board 12 is a mother board, that is, the circuit board includes one mother board and a plurality of daughter boards; firstly, a plurality of daughter boards are respectively and vertically spliced on the end face of a mother board, and then the vertically arranged daughter boards and the mother board are firmly fixed through a fixing device; preferably, two sets of fixing devices are adopted to fixedly connect the pair of the sub-boards and the motherboard, namely, the two end parts of the pair of the sub-boards and the motherboard are respectively fixed, so that the fixing effect is ensured.

The plurality of daughter boards are respectively inserted into the mother board, the positions between the daughter boards and the mother board are limited, and then the position relationship between the daughter boards and the mother board is stably fixed through the fixing device.

In summary, according to the fixing device and the surgical robot provided by the utility model, the vertically arranged circuit boards are connected into a whole through the connecting piece 13, the first copper column 14 and the second copper column 15, and then the whole is locked and fixed through the first fixing piece 16 and the second fixing piece 17, so that the effect of stably fixing the vertically arranged circuit boards is realized; it should be noted that, the first copper pillar 14, the second copper pillar 15, the connecting piece 13, the first fixing piece 16 and the second fixing piece 17 are all common standard pieces, and the circuit board which is vertically arranged can be stably fixed through the common standard pieces, so that the production cost is reduced, and the production efficiency is improved; moreover, with respect to the connection of the vertically arranged circuit boards by the connecting member 13 alone, the vertically arranged circuit boards are connected by the first copper pillar 14, the second copper pillar 15 and the connecting member 13, and the problem of the influence such as damage to the circuit boards when the first fixing member 16 and the second fixing member 17 lock-fasten the vertically arranged circuit boards is avoided.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. A fixing device for fixing a first circuit board (11) and a second circuit board (12) which are vertically connected, characterized by comprising:

A connection piece (13), the connection piece (13) comprising a first connection portion (131) and a second connection portion (132);

A first copper pillar (14), wherein the first copper pillar (14) is arranged between the first connection part (131) and the first circuit board (11);

A second copper pillar (15), wherein the second copper pillar (15) is arranged between the second connection part (132) and a second circuit board (12);

A first fixing member (16), wherein the first fixing member (16) can lock and fix the first connecting part (131), the first circuit board (11) and the first copper pillar (14);

The second fixing piece (17), the second fixing piece (17) can be used for locking and fixing the second connecting part (132), the second circuit board (12) and the second copper column (15).

2. The fixing device according to claim 1, characterized in that the first circuit board (11) is provided with a first plug-in part (111) and the second circuit board (12) is provided with a second plug-in part (121);

The first plug-in connection (111) can be plugged into the second plug-in connection (121).

3. The fixing device according to claim 1 or 2, characterized in that the connecting piece (13) is formed integrally with the first copper pillar (14), the second copper pillar (15); or (b)

The connecting piece (13) is integrally formed with the first copper pillar (14).

4. The fixation device of claim 1, wherein the first connection portion (131) comprises a first connection plate and the second connection portion (132) comprises a second connection plate;

One end face of the first connecting plate is attached to one end face of the first copper column (14), and one end face of the second connecting plate is attached to one end face of the second copper column (15).

5. The fixture according to claim 1, wherein the first copper pillar (14) is configured with a first through hole (141) and the second copper pillar (15) is configured with a second through hole (151);

The first fixing piece (16) can penetrate through the first connecting part (131), the first through hole (141) and the first circuit board (11) to be locked and fixed; the second fixing piece (17) can penetrate through the second connecting part (132), the second through hole (151) and the second circuit board (12) to be locked and fixed.

6. The fixing device according to claim 1, characterized in that the first fixing element (16) and/or the second fixing element (17) comprise a bolt and a nut.

7. The fixing device according to claim 1, characterized in that the first copper pillar (14) comprises a stepped pillar which can pass through the first circuit board (11) and is clamped to one side of the first circuit board (11).

8. A fixing device according to claim 1, characterized in that the connecting piece (13) is provided with a reinforcement (18), which reinforcement (18) serves to increase the strength of the connecting piece (13).

9. The fixing device according to claim 2, characterized in that the first plug-in part (111) is connected to an end edge of the first circuit board (11) by means of a terminal;

The second plug-in part (121) is connected to the upper end surface of the second circuit board (12) through a terminal.

10. Surgical robot comprising a fixture as claimed in any of the claims 1 to 9.