CN208651996U - Clamping device - Google Patents

Abstract

The utility model relates to a kind of clamping devices.The clamping device includes mounting plate, support frame, first and second clamp arm, support frame is installed on mounting plate, and it can be slided with respect to mounting plate along first direction, support frame includes mounting portion and the support portion that is set on mounting portion, first clamp arm is installed on mounting portion, support frame can drive the first clamp arm to move along first direction, second clamp arm is installed on mounting portion, one end of second clamp arm is sliding part, the other end is clamping part, sliding part is slidably connected with mounting plate, when support frame drives the second clamp arm to move along first direction, second clamp arm can the second direction sliding perpendicular with first direction of opposite mounting portion edge.In the device, first clamp arm and the second clamp arm are installed on support frame, it can move, and can remain stationary in a first direction with part to be clamped along first direction with support frame, so that the first clamp arm and the second clamp arm be avoided to touch the key on part to be clamped and maloperation occurs.

Description

Clamping device

Technical field

The utility model relates to a kind of clamping devices.

Background technique

Based on the development of Mobile Telephone Gps technology, more and more driver's selections are navigated using mobile phone, vehicle-mounted Clamping device also comes into being.Traditional vehicle-mounted clamping device is easy the key in hand folding pusher side face and generates maloperation, multiple Position is more difficult, uses very inconvenient.

Utility model content

Based on this, a kind of clamping device easy to use is provided.

A kind of clamping device, comprising:

Mounting plate；

Support frame is installed on the mounting plate, and can the relatively described mounting plate along first direction slide, the support Frame include mounting portion and be set to the support portion installed；

First clamp arm is installed on the mounting portion, and support frame as described above can drive first clamp arm along the first party To movement；And

Second clamp arm is installed on the mounting portion, and second clamp arm and first clamp arm interval are arranged, and described the One end of two clamp arm is sliding part, and the other end is clamping part, and the sliding part is slidably connected with the mounting plate；In the support When frame drives first clamp arm and the second clamp arm to move along the first direction, second clamp arm can the relatively described mounting portion It is slided along with the perpendicular second direction of the first direction, so that the clamping part is close to or far from first clamp arm, institute The first clamp arm, the clamping part and the support portion is stated to match to clamp part to be held.

In above-mentioned clamping device, when being placed on support portion in part to be clamped, and being moved with support frame along first direction, the Two clamp arm can be close to the first clamp arm and matching with the first clamp arm and clamping part to be clamped, to realize consolidating for part to be clamped It is fixed.Meanwhile first clamp arm and the second clamp arm be installed on support frame, can be moved with support frame along first direction, and can be with Part to be clamped is remain stationary in a first direction, i.e. the first clamp arm and the second clamp arm with clamping piece in a first direction without phase To movement, so that the first clamp arm and the second clamp arm be avoided to touch the key on part to be clamped and maloperation occurs.In addition, this folder It holds device and is not related to the transmission mechanism of the complexity such as rack-and-pinion, structure is relatively simple, and will not issue very big abnormal sound, can be with Conveniently realize the clipping operation of part to be held and the removal operation of part to be held.

The first guide groove is offered on the mounting plate in one of the embodiments, first guide groove is along described first Direction extension is in long strip, and the first guide post is formed on support frame as described above, and first guide post is placed in first guide groove, with It can be along the relatively described first guide groove sliding of the first direction.

The second guide groove of strip, shape on the sliding part are offered on the mounting plate in one of the embodiments, At there is the second guide post, second guide post is placed in second guide groove, and can be along the extending direction phase of second guide groove The mounting plate is slided.

The first guide groove is offered on the mounting plate in one of the embodiments, first guide groove is along described first Direction extension is in long strip, and the first guide post is formed on support frame as described above, and first guide post is placed in first guide groove, with It can be along the relatively described first guide groove sliding of the first direction；

Second guide groove is located at the side of first guide groove, and relatively described first guide groove is obliquely installed, and described Two guide posts have the first stroke end being located in second guide groove and the second stroke opposite with the first stroke end End, when from the first stroke end to the second stroke end movement, second guide post moves closer to described first Guide groove, and the clamping part moves closer to first clamp arm.

One end of first clamp arm is guide portion in one of the embodiments, and the other end is support division, the guidance Portion is slidably connected with the mounting plate, described when support frame as described above drives first clamp arm to move along the first direction First clamp arm can the relatively described mounting portion slided along the second direction, with close to or far from the clamping part, the support division, The clamping part and the support portion are matched to clamp the mobile phone.

First clamp arm is fixedly arranged on the mounting portion in one of the embodiments, and opposite with the clamping part.

It in one of the embodiments, further include elastic component, one end of the elastic component is connect with the mounting plate, another End is connect with support frame as described above, is moved in support frame as described above along the relatively described mounting plate of the first direction, and the clamping part When close to first clamp arm, the elastic component stores elastic potential energy, to support frame as described above and mounting plate application and institute State the parallel opposition of first direction.

In one of the embodiments, further include at least one of following proposal:

The clamping part is in the "U" shaped bending structure being open towards first clamp arm；

The support portion is in the "U" shaped bending structure being open towards the mounting portion；

The clamping device includes the protective shell connecting with the mounting plate, and the protective shell is matched with the mounting plate To surround the accommodating space for accommodating the sliding part, the mounting portion jointly；

It is formed with third guide post on the sliding part, the third extended along the second direction is formed on support frame as described above Guide groove, the third guide post are placed in the third guide groove, can slide along the relatively described third guide groove of the second direction It is dynamic.

It in one of the embodiments, further include support base and fixing piece, one end of the support base and the mounting plate It is fastenedly connected, the other end of the support base is connect with fixing piece, and the support base is fixed on object by the fixing piece.

In one embodiment, the support base further includes main body, the first connector and the second connector, and described first connects Fitting is connect with the mounting plate, and second connector is set to one end of the main body, first connector and described the It is formed with internal screw thread in one of them of two connectors, external screw thread, the internal screw thread and the external screw thread are formed on another It can be screwed, the fixing piece is set to one end in the main body far from second connector.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of one state of clamping device of an embodiment；

Fig. 2 is the structural schematic diagram of another state of clamping device shown in FIG. 1；

Fig. 3 is the support frame structure diagram of clamping device shown in FIG. 1；

Fig. 4 is the first arm clamping structure schematic diagram of clamping device shown in FIG. 1；

Fig. 5 is the second arm clamping structure schematic diagram of clamping device shown in FIG. 1；

Fig. 6 is the clamping support schematic diagram of clamping device shown in FIG. 1；And

Fig. 7 is the protective shell structural schematic diagram of the clamping device of another embodiment.

Specific embodiment

The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model, It states.The better embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms It realizes, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making practical new to this The disclosure of type understands more thorough and comprehensive.

It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ", " right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.

Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet Include any and all combinations of one or more related listed items.

Referring to Fig. 1, the clamping device 10 of an embodiment includes mounting plate 100, support frame 200, the first clamp arm 300 and the Two clamp arm 400.Support frame 200 is slidably connected for carrying part to be clamped with mounting plate 100, and the movement of support frame 200 can drive Second clamp arm 400 close to the first clamp arm 300 part to be clamped to be clamped, support frame 200, the first clamp arm 300 and the second clamp arm 400 It matches to treat clamping element and be clamped.Wherein, part to be clamped can be the electronics such as mobile phone, tablet computer, car-mounted display instrument Equipment.

Wherein, support frame 200 is installed on mounting plate 100, and can be slided with respect to mounting plate 100 along first direction 11. Support frame 200 includes mounting portion 210 and the support portion 220 being set on mounting portion 210.First clamp arm 300 is installed on mounting portion On 210, support frame 200 can drive the first clamp arm 300 to move along first direction 11.Second clamp arm 400 is installed on mounting portion 210 On, the second clamp arm 400 and the first clamp arm 300 interval are arranged.One end of second clamp arm 400 is sliding part 410, and the other end is clamping Portion 420, sliding part 410 are slidably connected with mounting plate 100.The second clamp arm 400 is driven to move along first direction 11 in support frame 200 When, the second clamp arm 400 mounting portion 210 can be slided along the second direction 12 perpendicular with first direction 11 relatively, so that clamping part 420 match to be clamped to clamp close to or far from the first clamp arm 300, the first clamp arm 300, clamping part 420 and support portion 220 Part.

It should be pointed out that in use, making support portion 220 along first party using the gravity of part to be clamped It is slided to 11 opposite mounting plates 100, meanwhile, clamping part 420 12 presss from both sides in a second direction close to the first clamp arm 300, and then with first Arm 300 matches and clamps part to be clamped.

In above-mentioned clamping device 10, it is placed on support portion 220 in part to be clamped, and with support frame 200 along first direction When 11 movement, the second clamp arm 400 can close to the first clamp arm 300 and being matched with the first clamp arm 300 and clamp part to be clamped, from And realize the fixation of part to be clamped.Meanwhile first clamp arm 300 and the second clamp arm 400 be installed on support frame 200, can be with branch Support 200 is moved along first direction 11, and can with remain stationary on part to be clamped in a first direction 11, i.e. the first clamp arm 300 And second clamp arm 400 with there is no relative motion on clamping piece in a first direction 11, to avoid the first clamp arm 300 and the second folder Arm 400 touches the key on part to be clamped and maloperation occurs.In addition, this clamping device 10 is not related to the complexity such as rack-and-pinion Transmission mechanism, structure is relatively simple, and will not issue very big abnormal sound, can conveniently realize the folder of part to be held Hold the removal operation of operation and part to be held.

Referring also to Fig. 2 to Fig. 4 offers the first guide groove 110 in one embodiment on mounting plate 100.First guide groove 110 extend in long strip along first direction 11, the first guide post 230 are formed on support frame 200, the first guide post 230 is placed in One guide groove 110 can guarantee the direction of motion of support frame 200, together can slide along first direction 11 with respect to the first guide groove 110 When can limit the motion path of support frame 200, avoid shifting when support frame 200 is mobile, influence clamping effect.

Further, it is also provided with the second guide groove 120 of strip on mounting plate 100, is formed with second on sliding part 410 Guide post 411.Second guide post 411 is placed in the second guide groove 120, and can be along the opposite mounting plate of extending direction of the second guide groove 120 100 slidings.Second guide groove 120 is located at the side of the first guide groove 110, and opposite first guide groove 110 is obliquely installed.Second guide post 411 have the first stroke end 13 and the second stroke end opposite with first stroke end 13 being located in the second guide groove 120 14.When moving from first stroke end 13 to second stroke end 14, the second guide post 411 moves closer to the first guide groove 110, and presss from both sides It holds portion 420 and moves closer to the first clamp arm 300.It is appreciated that the extending direction of the second guide groove 120 is the second clamp arm 400 with branch Support 200 is moved along first direction 11 and the opposite support frame 200 of the second clamp arm 400 12 movement synthesis side moved in a second direction To.

In one embodiment, it is formed with third guide post 413 on sliding part 410, is formed on support frame 200 along second party The third guide groove 130 extended to 12, third guide post 413 is placed in third guide groove 130, with being capable of 12 opposite the in a second direction The sliding of three guide grooves 130.Third guide groove 130 can limit stroke of the third guide post 413 in second direction 12.

Referring back to Fig. 1, in the present embodiment, the first clamp arm 300 can also be for the similar structure of the second clamp arm 400.Specifically Ground, one end of the first clamp arm 300 are guide portion 310, and the other end is support division 320, and guide portion 310 and the sliding of mounting plate 100 connect It connects.When support frame 200 drives the first clamp arm 300 to move along first direction 11, the first clamp arm 300 can opposite 210 edge of mounting portion Second direction 12 is slided, close to or far from clamping part 420.Support division 320, clamping part 420 and support portion 220 are matched to press from both sides Tight part to be clamped.First clamp arm 300 and the second clamp arm 400 are slided simultaneously with close to part to be clamped, can treat clamping element has more preferably Clamping effect.

In other embodiments, the first clamp arm 300 can also be fixedly arranged on mounting portion 210, and the first clamp arm 300 and folder It is opposite to hold portion 420.First clamp arm 300 is with the moving and move along first direction 11 of support frame 200, and the first clamp arm 300 is by conduct One benchmark position and the second clamp arm 400 cooperate, clamping part 420 in a second direction 12 towards the first clamp arm 300 close to until treating folder Tight part clamps.

Further, the material of support frame 200, the first clamp arm 300 and the second clamp arm 400 is magnesium alloy.Magnesium alloy Light weight, reduce the weight of entire clamping device 10.The specific strength of magnesium alloy is high, has certain bearing capacity, can be with Part to be clamped is supported well.

Simultaneously referring back to Fig. 2 and Fig. 5, it is also provided with the 4th guide groove 140 of strip on mounting plate 100, in guide portion 310 It is formed with the 4th guide post 311, the 4th guide post 311 is placed in the 4th guide groove 140, and can be along the extending direction of the 4th guide groove 140 Opposite mounting plate 100 slides.Axis of 4th guide groove 140 with the second guide groove 120 about the first guide groove 110 is axisymmetricly arranged. Symmetrically arranged second guide groove 120 and the 4th guide groove 140 enable to the first clamp arm 300 and the second clamp arm 400 to move and keep same Step, the first clamp arm 300 and the second clamp arm 400 treat clamping element clamping simultaneously, and fixed effect is more preferable.Third guide post 311 has Third trip end 15 and the fourth stroke end 16 opposite with third trip end 15 in third guide groove 130.From When triple-travel end 15 is moved to fourth stroke end 16, the 4th guide post 311 moves closer to the first guide groove 110, and support division 320 Move closer to the second clamp arm 400.

Further, be formed with 12 the 5th guide groove 150 extended in a second direction on mounting portion 210, the 5th guide groove 150 with The setting of the interval of third guide groove 130.The 5th guide post 313 is also formed in guide portion 310.5th guide groove 150 can be to the 5th guide post 313 Stroke in second direction 12 is limited.

Referring to fig. 2, in one embodiment, clamping device 10 further includes elastic component 500.One end of elastic component 500 and peace Loading board 100 connects, and the other end is connect with support frame 200.It is moved along first direction 11 with respect to mounting plate 100 in support frame 200, and When clamping part 420 is close to support division 320, elastic component 500 stores elastic potential energy, with to support frame 200 and mounting plate 100 apply with The parallel opposition of first direction 11.It is formed with the first limited post 160 on mounting plate 100, is formed on support frame 200 Two limited posts 240.First limited post 160 is oppositely arranged with the second limited post 240, and one end of elastic component 500 is sheathed on the first limit On the column 160 of position, the other end is sheathed on the second limited post 240.First limited post 160 and the second limited post 240 can be to elastic components 500 are preferably oriented to.Under the gravity of part to be clamped, support frame 200 will be moved along first direction 11, and elastic component 500 is pressed It contracts and stores elastic potential energy, the first clamp arm 300 clamps part to be clamped with the part mutually close and to be clamped of the second clamp arm 400.It has used Bi Hou only need to remove part to be clamped, and under the action of elastic component 500, clamping device 10 automatically resets, simple to operate.Tool In the present embodiment, the first limited post 160, the second limited post 240 and elastic component 500 are two to body.Two the first limited posts 160 interval settings, two the second limited post 240 interval settings, two the first limited posts 160 and two the second limited posts 240 1 One two elastic component installation positions of corresponding composition.Two elastic components 500 are respectively arranged in two elastic component installation positions, can be made It resets faster.In other embodiments, elastic component 500 may be arranged as other numbers.Further, specifically in the present embodiment In, elastic component 500 is spring, and in other embodiments, elastic component 500 can also be tension spring.

Referring back to Fig. 3, in one embodiment, support portion 220 is in the 221 "U" shaped bendings towards mounting portion 210 of opening Structure.Part to be clamped is placed on support frame 200, and the support portion 220 with radian will clasp part to be clamped, is treated clamping element and is existed The movement of first direction 11 is limited.Further, there are two support portion 220 is set, two interval of support portion 220 settings, limit Position effect is more preferable.In other embodiments, support portion 220 may be arranged as other numbers.

Further, clamping device 10 further includes the first gasket (not shown), and the first gasket is set to the inner wall of support portion 220 On.Specifically, support portion 220 includes sequentially connected first connection sheet 223, the second connection sheet 225 and third connection sheet 227. First gasket is set in the second connection sheet 225 and third connection sheet 227.In other embodiments, the first gasket can also be set to In first connection sheet 223, the second connection sheet 225 and third connection sheet 227.In the present embodiment, the first gasket is rubber, at it In his embodiment, the first gasket can also other are worked as a buffer for plastic cement or sponge etc. material, can be avoided to be clamped It causes to scratch in part surface.

Referring back to Fig. 4 and Fig. 5, in one embodiment, clamping part 420 is in 421 " U " towards the first clamp arm 300 that are open Font bending structure.Support division 320 is in the 321 "U" shaped bending structures towards the second clamp arm 400 that are open.Support division 320 and folder It holds after portion 420 abuts part to be clamped jointly, support division 320 and clamping part 420 with radian clasp part to be clamped respectively, clamp Effect is more preferable.Further, clamping device 10 further includes the second gasket (not shown), the inner wall and clamping part 420 of support division 320 Inner wall on be equipped with the second gasket.Specifically, support division 320 include sequentially connected first flap 323, second flap 325, Third baffle 327.Second gasket is set on second flap 325 and third baffle 327.In other embodiments, the second gasket is also It can be on first flap 323, second flap 325, third baffle 327.Clamping part 420 includes sequentially connected first baffle 423, second baffle 425 and third baffle 427.Second gasket is set in second baffle 425 and third baffle 427.In other realities It applies in example, the second gasket can also be set in first baffle 423, second baffle 425 and third baffle 427.In the present embodiment, Second gasket is rubber, and in other embodiments, the second gasket can also other are worked as a buffer for plastic cement or sponge etc. material Material can be avoided clamping force and treat very much clamping element surface greatly and causes to scratch.

Referring to Fig. 6, in one embodiment, clamping device 10 further includes support base 600.One end of support base 600 and peace Loading board 100 is fastenedly connected, and the other end of support base 600 is equipped with fixing piece 610, and support base 600 is fixed on object by fixing piece 610 On.Specifically, support base 600 further includes main body 620, the first connector 630 and the second connector 640, the first connector 630 with Mounting plate 100 connects, and the second connector 640 is set to one end of main body 620, is formed with external screw thread on the first connector 630, and second Internal screw thread is formed on connector 640, internal screw thread can be screwed with external screw thread, so that the first connector 630 and second be connected Fitting 640 realizes connection.Fixing piece 610 is set to one end in main body 620 far from the second connector 640, and fixing piece 610 is foam The other end of main body 620 can be securely fastened on object by glue.Specifically, the material of support base 600 is acetal resin, tool There are high rigidity, high rigidity, the characteristic of high abrasion.In other embodiments, internal screw thread can also be set to the first connector 630 On, and external screw thread is set on the second connector 640, equally can be realized the first connector 630 and the second connector 640 Quickly connection.

Referring to Fig. 7, in one embodiment, clamping device 10 includes the protective shell 700 connecting with mounting plate 100.Protection Shell 700 is matched with mounting plate 100 to surround the accommodating space of receiving sliding part 410, mounting portion 210 jointly.Specifically, it protects The shape of shell 700 is corresponding with the shape of mounting plate 100, and protective shell 700 and the lid of mounting plate 100 close, can be in clamping device 10 Structure in portion is protected, especially the first guide groove 110, the second guide groove 120, third guide groove 130, the 4th guide groove 140 and Five guide grooves 150, avoid foreign matter from entering, and the movement of mounting plate 100, the first clamp arm 300 and the second clamp arm 400 are hindered, to influence Treat the clamping effect of clamping element.Specifically, the material of mounting plate 100 and protective shell 700 is that polycarbonate and polyacrylonitrile close Engineering plastics made of and.Have the characteristics that impact resistance is high, heat resistance is high, with high hardness.

Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance Shield all should be considered as described in this specification.

Above embodiments only express the several embodiments of the utility model, and the description thereof is more specific and detailed, but simultaneously The limitation to utility model patent range therefore cannot be interpreted as.It should be pointed out that for the ordinary skill people of this field For member, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this reality With novel protection scope.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. a kind of clamping device characterized by comprising

Mounting plate；

Support frame is installed on the mounting plate, and can the relatively described mounting plate along first direction slide, support frame as described above packet The support portion for including mounting portion and being set on the mounting portion；

First clamp arm is installed on the mounting portion, and support frame as described above can drive first clamp arm to transport along the first direction It is dynamic；And

Second clamp arm is installed on the mounting portion, and second clamp arm and first clamp arm interval are arranged, second folder One end of arm is sliding part, and the other end is clamping part, and the sliding part is slidably connected with the mounting plate；In support frame as described above band When moving first clamp arm and the second clamp arm and being moved along the first direction, second clamp arm can the relatively described mounting portion along with The perpendicular second direction sliding of the first direction, so that the clamping part is close to or far from first clamp arm, described the One clamp arm, the clamping part and the support portion are matched to clamp part to be clamped.

2. clamping device according to claim 1, which is characterized in that the first guide groove is offered on the mounting plate, it is described First guide groove is in long strip along first direction extension, and the first guide post is formed on support frame as described above, and first guide post holds It is placed in first guide groove, can slide along relatively described first guide groove of the first direction.

3. clamping device according to claim 1, which is characterized in that offer strip on the mounting plate second is led Slot is formed with the second guide post on the sliding part, and second guide post is placed in second guide groove, and can be along described second The relatively described mounting plate sliding of the extending direction of guide groove.

4. clamping device according to claim 3, which is characterized in that the first guide groove is offered on the mounting plate, it is described First guide groove is in long strip along first direction extension, and the first guide post is formed on support frame as described above, and first guide post holds It is placed in first guide groove, can slide along relatively described first guide groove of the first direction；

Second guide groove is located at the side of first guide groove, and relatively described first guide groove is obliquely installed, and described second leads Column has the first stroke end and the second stroke end opposite with the first stroke end being located in second guide groove, When from the first stroke end to the second stroke end movement, second guide post moves closer to first guide groove, And the clamping part moves closer to first clamp arm.

5. clamping device according to claim 1, which is characterized in that one end of first clamp arm is guide portion, another End is support division, and the guide portion is slidably connected with the mounting plate, drives first clamp arm described in support frame as described above First direction move when, first clamp arm can the relatively described mounting portion slided along the second direction, close to or far from institute Clamping part is stated, the support division, the clamping part and the support portion are matched to clamp the part to be clamped.

6. clamping device according to claim 1, which is characterized in that first clamp arm is fixedly arranged on the mounting portion, And it is opposite with the clamping part.

7. clamping device according to claim 1, which is characterized in that further include elastic component, one end of the elastic component with The mounting plate connection, the other end is connect with support frame as described above, in support frame as described above along the relatively described installation of the first direction Plate movement, the and when clamping part is close to first clamp arm, the elastic component stores elastic potential energy, with to support frame as described above and The mounting plate applies the opposition parallel with the first direction.

8. clamping device according to claim 1, which is characterized in that further include at least one of following proposal:

The clamping part is in the "U" shaped bending structure being open towards first clamp arm；

The support portion is in the "U" shaped bending structure being open towards the mounting portion；

The clamping device includes the protective shell connecting with the mounting plate, and the protective shell is matched with the mounting plate with altogether With the accommodating space for surrounding the receiving sliding part, the mounting portion；

It is formed with third guide post on the sliding part, is formed on support frame as described above and is led along the third that the second direction extends Slot, the third guide post are placed in the third guide groove, can slide along the relatively described third guide groove of the second direction.

9. clamping device according to claim 1, which is characterized in that further include support base and fixing piece, the support base One end be fastenedly connected with the mounting plate, the other end of the support base is connect with fixing piece, and the fixing piece is by the branch Support seat is fixed on object.

10. clamping device according to claim 9, which is characterized in that the support base further includes main body, the first connector And second connector, first connector are connect with the mounting plate, second connector is set to one end of the main body, It is formed with internal screw thread in one of them of first connector and second connector, is formed with external screw thread on another, The internal screw thread can be screwed with the external screw thread, and the fixing piece is set in the main body far from second connector One end.